:root{--navbar-height: 64px;--footer-bar-h: 54px;--bg: #f7f4ee;--surface: #ffffff;--surface-solid: #ffffff;--surface-2: #fbfaf7;--ink: #1d1b16;--ink-2: #4e493f;--ink-3: #81796c;--line: rgba(29,27,22,.1);--line-2: rgba(29,27,22,.06);--accent: #d76f4d;--accent-hover: #c75f3e;--accent-strong: #944329;--accent-ink: #fff8f2;--accent-soft: #fff0e7;--accent-soft-2: #fff7ed;--accent-soft-ink: #944329;--ok: #2f7d57;--ok-soft: #e8f3ed;--warn: #a46c15;--warn-soft: #fff4d6;--danger: #b94b38;--danger-soft: #fdebe6;--shadow: rgba(29,27,22,.08);--muted: #81796c;--dashboard-streak-card-bg: var(--ink);--dashboard-streak-card-border: var(--ink);--dashboard-streak-card-text: var(--surface);--dashboard-streak-muted: rgba(255,255,255,.6);--dashboard-streak-copy: rgba(255,255,255,.72);--dashboard-streak-divider: rgba(255,255,255,.1);--dashboard-streak-day-bg: rgba(255,255,255,.08);--dashboard-streak-day-text: rgba(255,255,255,.64);--dashboard-streak-active-text: var(--surface);--dashboard-streak-stat-text: rgba(255,255,255,.58);--home-hero-bg: linear-gradient(135deg, var(--ink), var(--accent));--home-hero-base: #241b14;--home-hero-base-2: #30241a;--home-hero-text: var(--surface);--home-hero-muted: rgba(255,255,255,.88);--home-hero-eyebrow: rgba(255,255,255,.75);--home-hero-panel-bg: rgba(255,255,255,.12);--home-hero-panel-border: rgba(255,255,255,.18);--home-hero-item-bg: rgba(255,255,255,.95);--home-hero-item-hover-bg: var(--surface);--home-hero-item-text: var(--ink);--home-hero-item-muted: var(--ink-3);--dash-hero-bg: radial-gradient(130% 130% at 86% -20%, var(--accent-soft) 0%, transparent 55%), linear-gradient(150deg, var(--surface) 0%, var(--accent-soft-2) 100%);--dash-hero-text: var(--ink);--dash-hero-muted: var(--ink-2);--dash-hero-eyebrow: var(--accent-strong);--dash-hero-tile-bg: var(--surface);--dash-hero-tile-border: var(--line);--dash-hero-tile-hover: var(--surface-2);--dash-hero-track: rgba(29,27,22,.12);--dash-hero-pill-bg: var(--accent-soft);--dash-hero-pill-border: transparent;--dash-hero-ring-center: #fdeee4;--dash-hero-border: var(--line);--dash-hero-shadow: 0 14px 32px -20px rgba(29,27,22,.3)}:root[data-theme=dark]{--bg: #17130f;--surface: #211b16;--surface-solid: #211b16;--surface-2: #2a221c;--ink: #f7f1e8;--ink-2: #d8cbbc;--ink-3: #a99b8b;--line: rgba(247,241,232,.13);--line-2: rgba(247,241,232,.08);--accent: #e18461;--accent-hover: #f09a74;--accent-strong: #f0a17d;--accent-ink: #1b120d;--accent-soft: rgba(215,111,77,.18);--accent-soft-2: rgba(215,111,77,.12);--accent-soft-ink: #ffc0a8;--ok: #78c79b;--ok-soft: rgba(47,125,87,.2);--warn: #f0bd68;--warn-soft: rgba(164,108,21,.35);--danger: #f08f7e;--danger-soft: rgba(185,75,56,.2);--shadow: rgba(0,0,0,.3);--muted: #a99b8b;--dashboard-streak-card-bg: linear-gradient(135deg, #2a221c, #1b1511);--dashboard-streak-card-border: rgba(225,132,97,.28);--dashboard-streak-card-text: #f7f1e8;--dashboard-streak-muted: #a99b8b;--dashboard-streak-copy: #d8cbbc;--dashboard-streak-divider: rgba(247,241,232,.12);--dashboard-streak-day-bg: rgba(247,241,232,.08);--dashboard-streak-day-text: #b8aa9a;--dashboard-streak-active-text: var(--accent-ink);--dashboard-streak-stat-text: #a99b8b;--home-hero-bg: linear-gradient(135deg, #2a221c, var(--accent));--home-hero-base: #1c1610;--home-hero-base-2: #281e16;--home-hero-text: #fff7ef;--home-hero-muted: rgba(255,247,239,.84);--home-hero-eyebrow: rgba(255,247,239,.68);--home-hero-panel-bg: rgba(23,19,15,.34);--home-hero-panel-border: rgba(255,247,239,.14);--home-hero-item-bg: rgba(42,34,28,.92);--home-hero-item-hover-bg: rgba(54,43,35,.96);--home-hero-item-text: #f7f1e8;--home-hero-item-muted: #b8aa9a;--dash-hero-bg: radial-gradient(135% 130% at 90% -20%, var(--accent) 0%, transparent 46%), linear-gradient(155deg, var(--home-hero-base-2) 0%, var(--home-hero-base) 62%);--dash-hero-text: #fff7ef;--dash-hero-muted: rgba(255,247,239,.84);--dash-hero-eyebrow: rgba(255,247,239,.7);--dash-hero-tile-bg: rgba(255,255,255,.06);--dash-hero-tile-border: rgba(255,255,255,.09);--dash-hero-tile-hover: rgba(255,255,255,.1);--dash-hero-track: rgba(255,255,255,.22);--dash-hero-pill-bg: rgba(255,247,239,.1);--dash-hero-pill-border: rgba(255,247,239,.18);--dash-hero-ring-center: #271d15;--dash-hero-border: rgba(255,255,255,.06);--dash-hero-shadow: 0 18px 40px -22px rgba(0,0,0,.55)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}:root{--skin-image: none;--skin-opacity: 0}:root[data-skin=forest-cat]{--skin-image: url(https://files.catbox.moe/g3vai7.jpg);--skin-opacity: .55;--accent: #3c8c79;--accent-hover: #348070;--accent-strong: #285f52;--accent-soft: #e4f1ec;--accent-soft-2: #eef7f3;--accent-soft-ink: #285f52}:root[data-theme=dark][data-skin=forest-cat]{--skin-opacity: .62;--accent: #4fa991;--accent-hover: #5cb89f;--accent-strong: #6ec7ae;--accent-soft: rgba(79,169,145,.2);--accent-soft-2: rgba(79,169,145,.12);--accent-soft-ink: #9fe0cd}:root[data-skin=meadow]{--skin-image: url(https://files.catbox.moe/pu89ii.jpg);--skin-opacity: .55;--accent: #3f82b4;--accent-hover: #36739f;--accent-strong: #2b5c80;--accent-soft: #e8f1f8;--accent-soft-2: #f0f6fb;--accent-soft-ink: #2b5c80}:root[data-theme=dark][data-skin=meadow]{--skin-opacity: .62;--accent: #5ba3d4;--accent-hover: #6fb2de;--accent-strong: #8cc4e8;--accent-soft: rgba(91,163,212,.2);--accent-soft-2: rgba(91,163,212,.12);--accent-soft-ink: #acd5f0}:root[data-skin=besties]{--skin-image: url(https://files.catbox.moe/dp7297.jpg);--skin-opacity: .5;--accent: #4d7d94;--accent-hover: #426d82;--accent-strong: #335668;--accent-soft: #e9f0f3;--accent-soft-2: #f1f6f8;--accent-soft-ink: #335668}:root[data-theme=dark][data-skin=besties]{--skin-opacity: .58;--accent: #6f9eb4;--accent-hover: #82adc1;--accent-strong: #9bc0d2;--accent-soft: rgba(111,158,180,.22);--accent-soft-2: rgba(111,158,180,.12);--accent-soft-ink: #b6d4e1}:root[data-skin=cozy-cat]{--skin-image: url(https://i.ibb.co/7txdKfcc/Chat-GPT-Image-Jun-20-2026-12-51-31-PM.png);--skin-opacity: .5;--accent: #d27089;--accent-hover: #c45f79;--accent-strong: #a84a62;--accent-soft: #fbe9ee;--accent-soft-2: #fdf2f5;--accent-soft-ink: #a84a62}:root[data-theme=dark][data-skin=cozy-cat]{--skin-opacity: .58;--accent: #e08aa0;--accent-hover: #e89aae;--accent-strong: #efb0c0;--accent-soft: rgba(224,138,160,.2);--accent-soft-2: rgba(224,138,160,.12);--accent-soft-ink: #f3c6d2}:root[data-skin=wip-cat]{--skin-image: url(/skins/wip-cat.jpg);--skin-opacity: .5;--accent: #3f82b4;--accent-hover: #36739f;--accent-strong: #2b5c80;--accent-soft: #e8f1f8;--accent-soft-2: #f0f6fb;--accent-soft-ink: #2b5c80}:root[data-theme=dark][data-skin=wip-cat]{--skin-opacity: .58;--accent: #5ba3d4;--accent-hover: #6fb2de;--accent-strong: #8cc4e8;--accent-soft: rgba(91,163,212,.2);--accent-soft-2: rgba(91,163,212,.12);--accent-soft-ink: #acd5f0}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;background:var(--skin-image) center / cover no-repeat;opacity:var(--skin-opacity);pointer-events:none}:root[data-skin]:not([data-skin=none]){--surface: rgba(255,255,255,.88);--surface-2: rgba(250,248,244,.66);--muted: #4f4639;--skin-wrapper-bg: rgba(255,255,255,.4)}:root[data-theme=dark][data-skin]:not([data-skin=none]){--surface: rgba(33,27,22,.94);--surface-2: rgba(42,34,28,.85);--muted: #d8cbbc;--skin-wrapper-bg: rgba(33,27,22,.36)}:root[data-skin]:not([data-skin=none]) :is(.minimal-module-page,.grammar-page,.flashcard-study-main,.roadmap){background:var(--skin-wrapper-bg);background-size:auto}:root[data-skin]:not([data-skin=none]) :is(.grammar-summary,.flashcard-example,.dashboard-card-ai){background:var(--surface)}.app{display:flex;flex-direction:column;min-height:100vh}.app--grammar,.app--exam-runner{height:100vh;overflow:hidden}.app-body{display:flex;flex:1;align-items:stretch}.app-content{flex:1;min-width:0;display:flex;flex-direction:column}.app--grammar .app-body,.app--grammar .app-content,.app--exam-runner .app-body,.app--exam-runner .app-content{min-height:0;overflow:hidden}.container{max-width:1100px;margin:0 auto;padding:0 20px}main.container{flex:1;padding-top:32px;padding-bottom:96px}.app-content:has(.flashcard-session) main.container{height:calc(100vh - 64px);overflow:hidden;padding-bottom:32px}.app-content:has(.flashcard-session) .footer{display:none}.app:has(.flashcard-session) .chat-widget{display:none}.app--grammar main.container,.app-content:has(.grammar-page) main.container{height:calc(100vh - 64px);overflow:hidden;padding:32px 0 0;display:flex;flex-direction:column;max-width:100%}.app--grammar .footer,.app-content:has(.grammar-page) .footer{display:none}.app--exam-runner main.container{height:calc(100vh - var(--navbar-height));max-width:100%;overflow:hidden;padding-top:16px;padding-bottom:16px;display:flex}.app--exam-runner .footer{display:none}.vocab-sidebar{width:320px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--line);transition:width .2s ease}.vocab-sidebar.collapsed{width:44px}.vocab-sidebar-inner{position:sticky;top:64px;height:calc(100vh - 64px);overflow-y:auto;padding:12px}.sidebar-toggle{background:var(--accent-soft);border:1px solid var(--accent);width:32px;height:32px;border-radius:6px;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}.sidebar-toggle:hover{background:var(--accent-soft)}.vocab-sidebar.collapsed .sidebar-toggle{margin:0 auto;font-size:18px}.vocab-sidebar.collapsed .vocab-sidebar-inner{padding:12px 6px}.activity-sidebar{width:300px;flex-shrink:0;background:var(--surface);border-left:1px solid var(--line);transition:width .2s ease}.activity-sidebar.collapsed{width:44px}.activity-sidebar-inner{position:sticky;top:64px;height:calc(100vh - 64px);overflow-y:auto;padding:12px}.activity-sidebar.collapsed .activity-sidebar-inner{padding:12px 6px}.activity-toggle{margin-left:auto}.activity-sidebar.collapsed .activity-toggle{margin:0 auto}.activity-sidebar-content{font-size:14px}.activity-header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:16px}.activity-title{margin:0 0 2px;font-size:16px;color:var(--accent)}.activity-section{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}.activity-section h3{margin:0 0 10px;font-size:13px;color:var(--ink-2);text-transform:uppercase;letter-spacing:.4px}.activity-empty{color:var(--ink-3);font-size:13px;margin:0}.activity-module-list{display:grid;gap:10px}.activity-module{display:block;text-decoration:none;color:inherit;background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:10px}.activity-module:hover{border-color:var(--accent);background:var(--accent-soft)}.activity-module-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;margin-bottom:8px}.activity-module-top strong{font-size:13px;line-height:1.35;color:var(--ink)}.activity-module-top span{background:var(--accent-soft);color:var(--accent-soft-ink);border-radius:999px;padding:2px 7px;font-size:11px;text-transform:uppercase;flex-shrink:0}.activity-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.activity-stats span{border-radius:6px;padding:4px 6px;font-size:11px;text-align:center;font-weight:600}.stat-ok{background:var(--ok-soft);color:var(--ok)}.stat-bad{background:var(--danger-soft);color:var(--danger)}.stat-wait{background:var(--warn-soft);color:var(--warn)}.sidebar-title{font-size:16px;margin:4px 0 12px;color:var(--accent)}.vocab-sidebar-content{font-size:14px}.word-lookup.compact .search-form{margin-bottom:12px}.word-lookup.compact .search-form .input{padding:8px 12px;font-size:14px}.word-lookup.compact .search-form .btn{padding:8px 14px;font-size:14px}.word-lookup.compact .word-card{padding:14px;margin-top:8px}.word-lookup.compact .word-header{padding-bottom:10px;margin-bottom:10px;gap:8px}.word-lookup.compact .word-header h2{font-size:20px}.word-lookup.compact .btn-icon{width:30px;height:30px;font-size:14px}.word-lookup.compact .meaning-block{margin-bottom:12px}.word-lookup.compact .pos{padding:2px 8px;font-size:11px}.word-lookup.compact .definitions{padding-left:16px;font-size:13px}.word-lookup.compact .definitions li{margin-bottom:6px}.word-lookup.compact .example{font-size:12px}.word-lookup.compact .history{margin-top:16px;padding:12px}.word-lookup.compact .history-header h3{font-size:13px}.word-lookup.compact .history-list{gap:6px}.word-lookup.compact .history-word{padding:4px 10px;font-size:12px}@media (max-width: 1180px) and (min-width: 1025px){.vocab-sidebar{width:260px}.activity-sidebar{width:240px}}@media (max-width: 1024px){.vocab-sidebar,.activity-sidebar{display:none}.app-body{display:block}.app-content{width:100%}}.navbar{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}@media (min-width: 1081px){.navbar{position:fixed;top:0;left:0;right:0}.app{padding-top:var(--navbar-height)}.vocab-sidebar-inner,.activity-sidebar-inner{position:fixed;top:var(--navbar-height);height:calc(100vh - var(--navbar-height));transition:width .2s ease}.vocab-sidebar-inner{left:0;width:320px}.vocab-sidebar.collapsed .vocab-sidebar-inner{width:44px}.activity-sidebar-inner{right:0;width:300px}.activity-sidebar.collapsed .activity-sidebar-inner{width:44px}}.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:64px}.brand{font-size:22px;font-weight:800;color:var(--accent);text-decoration:none;flex-shrink:0;letter-spacing:-.2px}.brand-accent{color:var(--ink)}.nav-links{display:flex;gap:4px;flex-wrap:nowrap}.nav-mobile-extra{display:none}.nav-link{padding:8px 11px;border-radius:6px;color:var(--ink-2);text-decoration:none;font-weight:500;white-space:nowrap}.nav-link:hover{background:var(--accent-soft);color:var(--accent)}.nav-link.active{background:var(--accent);color:var(--surface)}.nav-toggle{display:none;width:40px;height:40px;background:transparent;border:1px solid var(--line);border-radius:8px;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px}.nav-toggle:hover{background:var(--surface-2)}.nav-toggle-bar{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .15s ease,opacity .15s ease}.navbar--open .nav-toggle-bar:nth-child(1){transform:translateY(6px) rotate(45deg)}.navbar--open .nav-toggle-bar:nth-child(2){opacity:0}.navbar--open .nav-toggle-bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}@media (max-width: 1080px){.nav-toggle{display:flex;order:3}.navbar-right{order:2;margin-left:auto}.navbar-right .nav-icon-btn,.navbar-divider{display:none}.nav-mobile-extra{display:flex;flex-direction:column;gap:4px;margin-top:6px;padding-top:8px;border-top:1px solid var(--surface-2)}.nav-mobile-extra .nav-link{display:flex;align-items:center;gap:8px}.navbar-inner{position:relative}.nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:4px;padding:10px 20px 14px;background:var(--bg);border-top:1px solid var(--surface-2);border-bottom:1px solid var(--line);box-shadow:0 8px 16px #0000001f;display:none;max-height:calc(100vh - 64px);overflow-y:auto}.nav-links--open{display:flex}.nav-link{padding:10px 14px;border-radius:8px;width:100%}}.nav-group{position:relative}.nav-group-trigger{display:flex;align-items:center;gap:4px;border:none;background:none;cursor:pointer;font-size:inherit;font-family:inherit}.nav-chevron{font-size:11px;transition:transform .15s ease;display:inline-block;margin-top:1px}.nav-chevron--open{transform:rotate(180deg)}.nav-dropdown{position:absolute;top:calc(100% + 6px);left:0;min-width:180px;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px #0000001a;padding:6px;z-index:50;display:none;flex-direction:column;gap:2px}.nav-dropdown-link{padding:8px 12px;border-radius:6px;color:var(--ink-2);text-decoration:none;font-weight:500;white-space:nowrap;display:block}.nav-dropdown-link:hover{background:var(--accent-soft);color:var(--accent)}.nav-dropdown-link.active{background:var(--accent);color:var(--surface)}@media (min-width: 1081px){.nav-group:hover .nav-dropdown{display:flex}.nav-dropdown:before{content:"";position:absolute;top:-6px;left:0;right:0;height:6px}}@media (max-width: 1080px){.nav-group{width:100%}.nav-group-trigger{width:100%;justify-content:space-between}.nav-dropdown{position:static;box-shadow:none;border:none;border-radius:0;padding:4px 0 4px 12px;margin-top:2px}.nav-dropdown.nav-dropdown--open{display:flex}.nav-dropdown-link{width:100%}}.hero{text-align:center;padding:60px 20px;background:linear-gradient(135deg,var(--ink),var(--accent));color:var(--surface);border-radius:12px}.hero h1{font-size:40px;margin-bottom:12px}.hero p{font-size:18px;opacity:.9;margin-bottom:24px}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero.hero-compact{display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:22px 26px;margin-bottom:18px}.hero.hero-compact h1{font-size:24px;margin:0 0 4px}.hero.hero-compact p{font-size:14px;opacity:.9;margin:0}.hero.hero-compact .hero-actions{margin:0;flex-wrap:nowrap}@media (max-width: 640px){.hero.hero-compact{flex-direction:column;align-items:flex-start;padding:18px}}.btn{display:inline-block;padding:10px 20px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:6px;cursor:pointer;font-weight:500;text-decoration:none;transition:all .2s}.btn:hover{background:var(--surface-2)}.btn-primary{background:var(--accent);color:var(--surface);border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover)}h1{font-size:28px;margin-bottom:20px}h2{font-size:22px;margin:16px 0}h3{font-size:18px;margin-bottom:8px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-top:20px}.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;position:relative}.card p{color:var(--ink-3);margin-bottom:16px}.card-badge{position:absolute;top:12px;right:12px;background:var(--accent-soft);color:var(--accent-hover);padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}.input{width:100%;padding:12px 16px;border:1px solid var(--line);border-radius:8px;font-size:15px;margin-bottom:20px}.input:focus{outline:none;border-color:var(--accent)}.vocab-list{list-style:none;display:grid;gap:12px}.vocab-item{background:var(--surface);padding:16px;border-radius:8px;border:1px solid var(--line)}.muted{color:var(--muted);font-size:14px}.quiz-options{display:grid;gap:10px;margin-top:16px;max-width:500px}.quiz-options .btn{text-align:left}.search-form{display:flex;gap:10px;margin-bottom:20px}.search-form .input{margin-bottom:0;flex:1}.error{background:var(--danger-soft);color:var(--danger);padding:12px 16px;border-radius:8px;border:1px solid var(--danger);margin-bottom:16px}.word-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px}.word-header{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:16px}.word-header h2{margin:0;color:var(--accent);font-size:28px}.btn-icon{background:var(--accent-soft);border:none;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:18px}.btn-icon:hover{background:var(--accent-soft)}.meaning-block{margin-bottom:20px}.pos{display:inline-block;background:var(--warn-soft);color:var(--warn);padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;font-style:italic;margin-bottom:10px}.definitions{padding-left:20px}.definitions li{margin-bottom:10px}.example{color:var(--ink-3);font-size:14px;margin-top:4px}.translation{color:var(--ok);font-size:14px;margin-top:4px}.word-lookup.compact .translation{font-size:12px}.streak-badge{position:fixed;top:16px;right:20px;z-index:1100;display:flex;align-items:center;gap:6px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:var(--accent-ink);padding:8px 16px;border-radius:999px;font-weight:700;font-size:15px;box-shadow:0 4px 12px #d76f4d59}.streak-icon{font-size:16px}@media (max-width: 640px){.streak-badge{display:none}}@media (max-width: 640px){.app--grammar{height:auto;min-height:100vh;overflow:visible}.app--grammar .app-body,.app--grammar .app-content{overflow:visible}.app-content:has(.grammar-page) main.container{padding-top:16px}.grammar-checker{padding:18px;margin-bottom:28px}.grammar-topic-content{padding-right:0}}.seo-page{display:grid;gap:22px}.seo-hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);gap:22px;align-items:stretch;padding:34px;border-radius:14px;background:linear-gradient(135deg,var(--ink),var(--accent-strong));color:var(--surface)}.seo-hero h1{max-width:780px;margin:8px 0 12px;font-size:34px;line-height:1.16;color:var(--surface)}.seo-hero p{max-width:760px;color:#ffffffe0;font-size:16px}.seo-actions{justify-content:flex-start;margin-top:22px}.seo-hero-panel{display:grid;gap:10px;align-content:center}.seo-hero-panel span{display:block;padding:13px 14px;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:#fffffff2;color:var(--ink);font-weight:700}.seo-section-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.seo-section,.seo-related,.seo-faq{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:22px}.seo-section h2,.seo-related h2,.seo-faq h2{margin-top:0}.seo-section p{color:var(--ink-2);margin-bottom:14px}.seo-section ul{display:grid;gap:8px;padding-left:20px;color:var(--ink-2)}.seo-related-links{display:flex;flex-wrap:wrap;gap:10px}.seo-related-links a{display:inline-flex;align-items:center;min-height:40px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);color:var(--ink);text-decoration:none;font-weight:600}.seo-related-links a:hover{border-color:var(--accent);color:var(--accent)}.seo-faq{display:grid;gap:10px}.seo-faq details{border:1px solid var(--line);border-radius:8px;padding:12px 14px;background:var(--surface-2)}.seo-faq summary{cursor:pointer;font-weight:700}.seo-faq p{margin-top:8px;color:var(--ink-2)}.welcome-seo-links{margin-bottom:12px}@media (max-width: 820px){.seo-hero,.seo-section-grid{grid-template-columns:1fr}.seo-hero{padding:22px}.seo-hero h1{font-size:28px}}.streak-panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:28px;margin-top:24px}.streak-panel h2{margin-bottom:20px}.streak-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}.stat{background:var(--surface-2);padding:20px;border-radius:10px;text-align:center;border:1px solid var(--line)}.stat-value{font-size:32px;font-weight:700;color:var(--accent);line-height:1.2}.stat-label{font-size:13px;color:var(--ink-3);margin-top:4px;text-transform:uppercase;letter-spacing:.5px}@media (max-width: 600px){.streak-stats{grid-template-columns:1fr}.stat-value{font-size:24px}}.reminder{position:fixed;top:80px;right:20px;z-index:1150;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;background:linear-gradient(var(--warn-soft),var(--warn-soft)),var(--surface-solid);border:1px solid var(--warn);-webkit-backdrop-filter:none;backdrop-filter:none;border-left:4px solid var(--warn);padding:12px 16px;border-radius:10px;max-width:320px;box-shadow:0 10px 25px -5px #00000026,0 4px 10px -3px #0000001a;animation:reminder-slide-in .25s ease-out}@keyframes reminder-slide-in{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}.reminder-content{display:flex;gap:10px;align-items:flex-start;flex:1;min-width:0}.reminder-icon{font-size:20px;flex-shrink:0}.reminder-content strong{display:block;color:var(--warn);font-size:14px}.reminder-content p{color:var(--warn);font-size:12px;margin-top:2px;line-height:1.4}.reminder-actions{display:flex;gap:6px;align-items:flex-start;flex-shrink:0}.reminder-actions .btn{padding:6px 12px;font-size:12px}@media (max-width: 640px){.reminder{top:70px;right:10px;left:10px;max-width:none}}.btn-close{background:transparent;border:none;font-size:18px;cursor:pointer;color:var(--warn);padding:4px 8px}.btn-close:hover{color:var(--warn)}.history{margin-top:32px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px}.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.history-header h3{margin:0;font-size:16px}.btn-text{background:transparent;border:none;color:var(--accent);cursor:pointer;font-size:14px;padding:4px 8px}.btn-text:hover{text-decoration:underline}.history-list{list-style:none;display:flex;flex-wrap:wrap;gap:8px}.history-item{display:flex;align-items:center;background:var(--surface-2);border-radius:8px;padding:0 4px 0 0}.history-word{display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:transparent;border:none;padding:6px 12px;cursor:pointer;font-size:14px;color:var(--ink);text-align:left}.history-word:hover{color:var(--accent)}.history-recorded-at{color:var(--muted);font-size:11px;line-height:1.2}.section-title{margin-top:40px;margin-bottom:16px}.grammar-page{flex:1;min-height:0;display:flex;flex-direction:column;width:min(960px,calc(100vw - 40px));margin:0 auto;padding:38px 44px 42px;background:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px),var(--bg);background-size:96px 96px;border:1px solid var(--line-2);box-shadow:0 10px 28px #1d1b160a;overflow-x:hidden;overflow-y:auto}.grammar-page>h1{flex-shrink:0}.grammar-checker{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:24px 22px 20px;margin-bottom:24px;flex-shrink:0;display:flex;flex-direction:column;max-height:min(50vh,520px);overflow:hidden}.writing-practice-page .grammar-checker{max-height:none;overflow:visible;margin-bottom:0;border:none;padding:24px 22px 20px}.writing-practice-page .textarea{min-height:clamp(180px,40vh,520px)}.writing-practice-page .grammar-checker-results{overflow-y:visible}.grammar-checker-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.grammar-checker h2{margin:0;font-size:15px;line-height:1.2;font-weight:700}.textarea{width:100%;min-height:72px;padding:14px 16px;border:1px solid var(--line);border-radius:4px;font-size:13px;font-family:inherit;resize:vertical;margin:0 0 14px;color:var(--ink);background:var(--surface)}.textarea:focus{outline:none;border-color:var(--accent)}.checker-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.checker-actions .btn{padding:8px 16px;border-radius:6px;font-size:12px}.checker-actions .btn-quiet{background:transparent;border-color:transparent;color:var(--ink-3)}.grammar-checker-results{flex:1;min-height:0;overflow-y:auto;padding-right:6px;scrollbar-gutter:stable}.grammar-mode-toggle{display:inline-flex;gap:2px;padding:2px;background:var(--surface-2);border:1px solid var(--line);border-radius:8px;margin:0}.grammar-mode-toggle .mode-btn{border:none;background:transparent;padding:6px 14px;border-radius:6px;font-size:11px;font-weight:600;color:var(--ink-3);cursor:pointer;transition:all .15s ease}.grammar-mode-toggle .mode-btn:hover:not(:disabled):not(.active){color:var(--ink)}.grammar-mode-toggle .mode-btn.active{background:var(--surface);color:var(--accent);box-shadow:0 1px 2px #00000014}.grammar-mode-toggle .mode-btn:disabled{opacity:.5;cursor:not-allowed}.success-box{background:var(--ok-soft);color:var(--ok);padding:14px 18px;border-radius:8px;border-left:4px solid var(--ok);font-weight:500}.highlighted-text{background:var(--surface-2);padding:16px;border-radius:8px;border:1px solid var(--line);margin:16px 0;line-height:1.8;font-size:15px;overflow-wrap:anywhere}.grammar-error{background:var(--danger-soft);color:var(--danger);padding:2px 4px;border-radius:3px;border-bottom:2px solid var(--danger)}.matches-list h3{margin-bottom:12px;font-size:16px;color:var(--ink-2)}.match-item{background:var(--danger-soft);border:1px solid var(--danger);border-left:4px solid var(--danger);padding:14px 16px;border-radius:6px;margin-bottom:10px}.match-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px;flex-wrap:wrap}.match-original{font-family:Courier New,monospace;color:var(--danger);font-weight:600;overflow-wrap:anywhere}.match-category{background:var(--line);color:var(--ink-2);font-size:11px;padding:2px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.3px}.match-message{color:var(--ink-2);font-size:14px;margin-bottom:8px;overflow-wrap:anywhere}.replacements{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.replacement-chip{background:var(--ok-soft);color:var(--ok);border:1px solid var(--ok);padding:4px 12px;border-radius:999px;font-size:13px;cursor:pointer;font-weight:500;max-width:100%;white-space:normal;overflow-wrap:anywhere}.replacement-chip:hover{background:var(--ok-soft)}.grammar-error-spelling{background:var(--warn-soft);color:var(--warn);border-bottom-color:var(--warn)}.grammar-error-capitalization,.grammar-error-punctuation{background:var(--accent-soft);color:var(--accent-soft-ink);border-bottom-color:var(--accent)}.grammar-error-word-choice{background:var(--danger-soft);color:var(--danger);border-bottom-color:var(--danger)}.grammar-summary{display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px 16px;margin:16px 0}.grammar-score{display:inline-flex;flex-direction:column;align-items:center;padding:6px 14px;border-radius:8px;min-width:80px;background:var(--surface);border:1px solid var(--line)}.grammar-score .score-label{font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.5px}.grammar-score .score-value{font-size:18px;font-weight:700;color:var(--ink)}.grammar-score.score-high{background:var(--ok-soft);border-color:var(--ok)}.grammar-score.score-high .score-value{color:var(--ok)}.grammar-score.score-mid{background:var(--warn-soft);border-color:var(--warn)}.grammar-score.score-mid .score-value{color:var(--warn)}.grammar-score.score-low{background:var(--danger-soft);border-color:var(--danger)}.grammar-score.score-low .score-value{color:var(--danger)}.grammar-overall{color:var(--ink-2);font-size:14px;margin:0;flex:1;min-width:200px}.corrected-box{background:var(--accent-soft);border:1px solid var(--accent);border-left:4px solid var(--accent);border-radius:8px;padding:14px 16px;margin-top:16px}.corrected-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}.corrected-text{color:var(--accent-strong);font-size:15px;line-height:1.6;margin:0;overflow-wrap:anywhere}.btn-sm{padding:4px 12px;font-size:13px}.chat-page{max-width:800px;margin:0 auto}.chat-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:12px}.chat-header h1{margin-bottom:4px}.chat-window{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;height:500px;overflow-y:auto;margin-bottom:12px;display:flex;flex-direction:column;gap:16px}.chat-bubble{display:flex;gap:12px;max-width:85%}.chat-bubble.user{align-self:flex-end;flex-direction:row-reverse}.chat-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.chat-bubble.user .chat-avatar{background:var(--accent-soft)}.chat-content{background:var(--surface-2);padding:12px 16px;border-radius:2px 12px 12px}.chat-bubble.user .chat-content{background:var(--accent);color:var(--surface);border-top-left-radius:12px;border-top-right-radius:2px}.chat-content p{margin:0;line-height:1.5}.chat-tip{margin-top:8px!important;padding-top:8px;border-top:1px dashed var(--line);font-size:13px;color:var(--warn)}.chat-bubble.user .chat-tip{color:var(--warn-soft);border-top-color:#ffffff4d}.typing{color:var(--ink-3);font-style:italic}.chat-content .btn-text{padding:0;margin-top:6px;font-size:12px}.suggestions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.suggestion-chip{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent);padding:8px 14px;border-radius:999px;cursor:pointer;font-size:14px}.suggestion-chip:hover{background:var(--accent-soft)}.chat-form{display:flex;gap:10px}.chat-form .input{margin-bottom:0;flex:1}.chat-widget{position:fixed;right:20px;bottom:84px;z-index:1000;display:flex;flex-direction:column;align-items:flex-end;gap:12px}.chat-widget-fab{width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;background:linear-gradient(135deg,var(--ink),var(--accent));color:var(--surface);font-size:24px;box-shadow:0 6px 20px #d76f4d59;display:flex;align-items:center;justify-content:center;transition:transform .15s,box-shadow .15s}.chat-widget-fab:hover{transform:scale(1.06);box-shadow:0 8px 24px #d76f4d73}.chat-widget.is-open .chat-widget-fab{background:var(--ink);font-size:18px}.chat-widget-panel{width:min(380px,calc(100vw - 40px));height:min(560px,calc(100vh - 120px));background:var(--surface);border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;box-shadow:0 12px 40px #0000002e;overflow:hidden}.chat-widget-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;background:linear-gradient(135deg,var(--ink),var(--accent));color:var(--surface)}.chat-widget-header strong{font-size:14px;display:block}.chat-widget-header p{margin:2px 0 0;font-size:12px;color:#ffffffd9}.chat-widget-actions{display:flex;gap:4px}.chat-widget-icon-btn{width:28px;height:28px;border-radius:6px;border:1px solid rgba(255,255,255,.3);background:#ffffff1f;color:var(--surface);cursor:pointer;font-size:14px;line-height:1;display:flex;align-items:center;justify-content:center}.chat-widget-icon-btn:hover{background:#ffffff40}.chat-widget-body{flex:1;min-height:0;padding:12px 14px;display:flex;flex-direction:column;gap:10px;overflow:hidden}.chat-widget-body .chat-window{flex:1;height:auto;padding:8px;margin-bottom:0;border:1px solid var(--surface-2);background:var(--surface-2);gap:12px}.chat-widget-body .chat-bubble{max-width:92%}.chat-widget-body .chat-content{padding:8px 12px;font-size:13px}.chat-widget-body .chat-content p{font-size:13px;line-height:1.45}.chat-widget-body .chat-avatar{width:28px;height:28px;font-size:14px}.chat-widget-body .suggestions{gap:6px;margin-bottom:0}.chat-widget-body .suggestion-chip{font-size:12px;padding:5px 10px}.chat-widget-form{border-top:1px solid var(--line);padding:10px 12px;background:var(--surface)}.chat-widget-form .chat-form .input{font-size:13px;padding:8px 10px}.chat-widget-form .chat-form .btn{padding:8px 14px;font-size:13px}@media (max-width: 480px){.chat-widget{right:12px;bottom:12px}.chat-widget-panel{height:min(70vh,520px)}}.grammar-section{flex:1;min-height:260px;display:flex;flex-direction:column;overflow:hidden}.grammar-header{flex-shrink:0;display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:18px}.grammar-header .section-title{margin:0;font-size:16px;line-height:1.2;white-space:nowrap}.grammar-header .section-title span{color:var(--ink-3);font-weight:500}.grammar-controls{display:flex;align-items:center;gap:12px;min-width:0}.search-inline{width:150px;max-width:150px;margin-bottom:0!important;padding:7px 12px;border-radius:999px;font-size:12px;background:var(--surface)}.filter-tabs{display:flex;gap:4px;flex-wrap:nowrap;padding:2px;background:var(--surface);border:1px solid var(--line);border-radius:999px;max-width:100%;min-width:0;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;-webkit-overflow-scrolling:touch}.filter-tabs::-webkit-scrollbar{height:6px}.filter-tabs::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}.filter-tabs::-webkit-scrollbar-track{background:transparent}.filter-tab{background:transparent;border:1px solid transparent;padding:6px 12px;border-radius:999px;cursor:pointer;font-size:11px;color:var(--ink-2);white-space:nowrap}.filter-tab:hover{background:var(--surface-2)}.filter-tab.active{background:var(--accent);color:var(--surface);border-color:var(--accent)}.topics-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grammar-topic-content{flex:1;min-height:0;overflow-y:auto;padding-right:8px;scrollbar-gutter:stable}.grammar-category{margin-top:28px}.grammar-category:first-of-type{margin-top:0}.grammar-category-title{margin:0 0 12px;font-size:11px;font-weight:600;color:var(--ink-2);text-transform:uppercase;letter-spacing:0;display:flex;align-items:baseline;gap:6px}.grammar-category-count{font-size:11px;font-weight:500;color:var(--ink-3)}.topic-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px;transition:border-color .2s,box-shadow .2s;display:flex;flex-direction:column;min-height:124px}.topic-card:hover{border-color:#d76f4d38;box-shadow:0 8px 18px #1d1b160d}.topic-header{display:flex;justify-content:space-between;align-items:flex-start;cursor:pointer;gap:10px;margin-bottom:9px}.topic-header h3{margin:0;font-size:13px;line-height:1.3;color:var(--ink)}.topic-expand{width:22px;height:22px;flex:0 0 auto;border:0;background:transparent;color:var(--ink-3);cursor:pointer;font-size:16px;line-height:1}.topic-level{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.3px}.formula{background:var(--accent-soft);color:var(--accent-strong);padding:8px 12px;border-radius:6px;font-family:Courier New,monospace;font-size:13px;margin-bottom:10px;border-left:3px solid var(--accent)}.topic-content{color:var(--ink-2);font-size:12px;line-height:1.45;margin-bottom:12px}.topic-usage{color:var(--ink-3);font-size:14px;margin-bottom:8px;font-style:italic}.topic-detail{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}.topic-section{margin-bottom:14px}.topic-section h4{font-size:13px;color:var(--ink-2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.3px}.topic-section.warning{background:var(--warn-soft);padding:10px 12px;border-radius:6px;border-left:3px solid var(--warn)}.topic-section.warning h4{color:var(--warn)}.topic-section.warning p{color:var(--warn);font-size:13px;margin:0}.structure-list,.example-list,.bullet-list{list-style:none;padding-left:0;font-size:13px}.structure-list li,.bullet-list li{padding:4px 0;color:var(--ink-2)}.structure-list code{background:var(--surface-2);padding:2px 6px;border-radius:3px;font-size:12px;color:var(--ink)}.example-list li{padding:4px 0 4px 12px;color:var(--ink-2);border-left:2px solid var(--line);margin-bottom:4px}.bullet-list li:before{content:"• ";color:var(--accent);font-weight:700}.practice-btn{display:block;text-align:center;margin-top:14px;text-decoration:none}.quiz-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:20px}.quiz-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;text-decoration:none;color:inherit;transition:all .2s;display:flex;flex-direction:column;gap:12px}.quiz-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px #d76f4d1a;border-color:var(--accent)}.quiz-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.quiz-card-header h3{margin:0;font-size:16px;flex:1}.quiz-card-meta{display:flex;justify-content:space-between;align-items:center;color:var(--ink-3);font-size:14px}.topic-level[data-level="Cơ bản"]{background:var(--ok-soft);color:var(--ok)}.topic-level[data-level="Trung bình"]{background:var(--warn-soft);color:var(--warn)}.topic-level[data-level="Nâng cao"]{background:var(--danger-soft);color:var(--danger)}.topic-quiz{max-width:720px;margin:0 auto}.word-skill-runner-page{max-width:760px}.quiz-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.quiz-progress{color:var(--ink-3);font-size:14px}.progress-bar-wrap{display:flex;align-items:center;gap:10px;margin:16px 0 24px}.progress-bar-wrap .progress-bar{flex:1;margin:0}.progress-count{font-size:13px;color:var(--ink-3);white-space:nowrap;font-variant-numeric:tabular-nums}.progress-bar{height:8px;background:var(--line);border-radius:999px;margin:16px 0 24px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-strong));border-radius:999px;transition:width .3s}.question-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:24px}.exam-skill-runner-page .question-card{position:relative}.question-text{font-size:18px;line-height:1.55;margin-bottom:22px;color:var(--ink)}.quiz-options{display:grid;gap:10px;max-width:100%;margin-bottom:16px}.quiz-option{text-align:left;padding:13px 16px;font-size:14px;border-radius:8px;transition:all .2s}.quiz-option.correct{background:var(--ok-soft);color:var(--ok);border-color:var(--ok);animation:grammar-quiz-pop .35s ease}.quiz-option.incorrect{background:var(--danger-soft);color:var(--danger);border-color:var(--danger);animation:grammar-quiz-shake .4s ease}.quiz-option:disabled{cursor:default;opacity:.95}.feedback{padding:14px 18px;border-radius:8px;margin-bottom:16px;border-left:4px solid}.feedback.correct{background:var(--ok-soft);color:var(--ok);border-color:var(--ok)}.feedback.incorrect{background:var(--danger-soft);color:var(--danger);border-color:var(--danger)}.feedback p{margin:4px 0}.quiz-result{max-width:720px;margin:0 auto}.word-skill-result-page{max-width:760px}.result-card{background:var(--surface);color:var(--ink);border:1px solid var(--line);padding:32px;border-radius:8px;text-align:center;margin-bottom:24px}.result-score{font-size:52px;font-weight:700;line-height:1;color:var(--accent)}.result-percent{font-size:22px;color:var(--ink-2);margin-top:8px}.result-title{margin-top:12px;color:var(--ink-3)}.result-xp{display:inline-block;margin-top:14px;padding:6px 16px;border-radius:999px;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);font-weight:700;font-size:18px}.result-breakdown{display:flex;justify-content:center;gap:20px;margin-top:14px;flex-wrap:wrap}.result-breakdown .score-correct{color:var(--ok);font-weight:600}.result-breakdown .score-wrong{color:var(--danger);font-weight:600}.result-breakdown .score-skipped{color:var(--ink-3);font-weight:600}.vocab-live-score{display:flex;gap:16px;justify-content:flex-end;font-size:14px;font-weight:600;margin-bottom:6px}.vocab-live-score .score-correct{color:var(--ok)}.vocab-live-score .score-wrong{color:var(--danger)}.flashcards-result-page{max-width:760px}.review-list{display:flex;flex-direction:column;gap:12px}.review-item{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 18px;border-left:4px solid}.review-item.correct{border-left-color:var(--ok)}.review-item.incorrect{border-left-color:var(--danger)}.review-q{margin-bottom:6px}.review-answer{color:var(--ink-2);font-size:14px}.review-correct{color:var(--ok);font-size:14px}.review-explanation{color:var(--ink-3);font-size:13px;margin-top:6px;padding-top:6px;border-top:1px dashed var(--line)}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;justify-content:center}.quiz-result .result-card,.quiz-result .review-item,.quiz-result .result-actions{animation:result-rise .5s cubic-bezier(.16,.84,.44,1) both}.quiz-result .result-card{animation-delay:0s}.quiz-result .result-actions{animation-delay:.16s}.quiz-result .review-item:nth-child(1){animation-delay:.14s}.quiz-result .review-item:nth-child(2){animation-delay:.2s}.quiz-result .review-item:nth-child(3){animation-delay:.26s}.quiz-result .review-item:nth-child(4){animation-delay:.32s}.quiz-result .review-item:nth-child(5){animation-delay:.38s}.quiz-result .review-item:nth-child(6){animation-delay:.44s}.quiz-result .review-item:nth-child(n+7){animation-delay:.5s}@keyframes result-rise{0%{opacity:0;transform:translateY(16px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1)}}@media (prefers-reduced-motion: reduce){.quiz-result .result-card,.quiz-result .review-item,.quiz-result .result-actions{animation:none;opacity:1;transform:none}}.vocab-review-focus{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:24px}.vocab-review-word{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--danger);border-radius:8px;padding:14px 16px}.vocab-review-word h3{margin:0 0 4px;font-size:18px}.vocab-review-word p{margin:6px 0;color:var(--ink-2);font-size:14px}.vocab-latest-attempt{display:inline-flex;align-items:center;flex-wrap:wrap;gap:4px;margin-top:12px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink-2);font-size:14px}.minimal-module-page{width:min(960px,calc(100vw - 40px));margin:0 auto;padding:38px 44px 42px;background:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px),var(--bg);background-size:96px 96px;border:1px solid var(--line-2);box-shadow:0 10px 28px #1d1b160a}.minimal-module-header{max-width:680px;margin-bottom:28px}.minimal-module-header h1{margin:0 0 8px;font-size:24px;line-height:1.2}.minimal-module-header .muted{font-size:14px;line-height:1.55}.shadowing-topics{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.shadowing-topic-chip{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:13px;font-weight:600;cursor:pointer;transition:border-color .15s,background .15s,color .15s}.shadowing-topic-chip:hover{border-color:var(--accent);color:var(--accent)}.shadowing-topic-chip.is-active{background:var(--accent);border-color:var(--accent);color:var(--surface)}.shadowing-topic-level{font-size:11px;font-weight:700;opacity:.75}.shadowing-progress{display:flex;align-items:center;gap:12px;margin-bottom:18px}.shadowing-progress-track{flex:1;height:8px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line-2);overflow:hidden}.shadowing-progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-strong));transition:width .3s ease}.shadowing-progress-label{font-size:13px;color:var(--ink-3);font-weight:600;white-space:nowrap}.shadowing-reset{white-space:nowrap}.shadowing-meaning{margin:8px 0 0;font-size:14px;color:var(--ink-2);line-height:1.55}.shadowing-controls{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px}.shadowing-speed{display:inline-flex;gap:2px;padding:3px;background:var(--surface-2);border:1px solid var(--line);border-radius:999px}.shadowing-speed-btn{border:none;background:transparent;cursor:pointer;padding:6px 14px;border-radius:999px;font-size:12px;font-weight:600;color:var(--ink-3);transition:all .15s ease}.shadowing-speed-btn:hover:not(.is-active){color:var(--ink)}.shadowing-speed-btn.is-active{background:var(--surface);color:var(--accent);box-shadow:0 1px 2px #00000014}.shadowing-loop{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-2);cursor:pointer;-webkit-user-select:none;user-select:none}.shadowing-loop input{accent-color:var(--accent)}.shadowing-hint{margin-top:18px;padding:12px 14px;border-radius:10px;background:var(--accent-soft);color:var(--accent-soft-ink);font-size:13px;line-height:1.5;border-left:3px solid var(--accent)}.shadowing-record-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px}.shadowing-audio{height:38px;max-width:100%}.shadowing-record-row .btn.is-recording{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.shadowing-eval{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:22px}.shadowing-eval-btn{display:flex;flex-direction:column;align-items:center;gap:5px;padding:13px 10px;border-radius:10px;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:13px;font-weight:600;transition:border-color .15s,background .15s,transform .1s}.shadowing-eval-btn:hover{transform:translateY(-1px)}.shadowing-eval-emoji{font-size:20px;line-height:1}.shadowing-eval-btn.again:hover{border-color:var(--danger);background:var(--danger-soft)}.shadowing-eval-btn.ok:hover{border-color:var(--warn);background:var(--warn-soft)}.shadowing-eval-btn.great:hover{border-color:var(--ok);background:var(--ok-soft)}.shadowing-done{text-align:center;padding:36px 24px}.shadowing-done-emoji{font-size:48px;line-height:1}.shadowing-done h2{margin:14px 0 6px}.shadowing-done p{color:var(--ink-3);margin-bottom:22px}.shadowing-done-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.shadowing-source{display:inline-flex;gap:2px;padding:3px;margin-bottom:18px;background:var(--surface-2);border:1px solid var(--line);border-radius:999px}.shadowing-source-btn{border:none;background:transparent;cursor:pointer;padding:8px 18px;border-radius:999px;font-size:13px;font-weight:600;color:var(--ink-3);transition:all .15s ease}.shadowing-source-btn:hover:not(.is-active){color:var(--ink)}.shadowing-source-btn.is-active{background:var(--surface);color:var(--accent);box-shadow:0 1px 2px #00000014}.shadowing-subtabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.shadowing-custom{display:flex;flex-direction:column;gap:12px}.shadowing-custom .input{margin-bottom:0}.shadowing-textarea{min-height:160px;resize:vertical}.shadowing-custom .btn-primary{align-self:flex-start}@media (max-width: 600px){.shadowing-eval{grid-template-columns:1fr}}.word-skill-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.word-skill-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px;min-height:172px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit;transition:box-shadow .15s,border-color .15s}.word-skill-card:hover{box-shadow:0 8px 18px #1d1b160d;border-color:#d76f4d3d}.word-skill-card-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.word-skill-card-header h2{font-size:15px;margin:0;color:var(--ink);line-height:1.3}.word-skill-card>p{font-size:13px;line-height:1.5}.word-skill-card-meta{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line-2);color:var(--ink-3);font-size:12px}.word-skill-card-cta{color:var(--ink);font-weight:700}.word-skill-card-progress{margin-top:4px}.word-skill-card-progress-head{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:var(--ink-3);margin-bottom:6px}.word-skill-card-progress .progress-bar{margin:0;height:6px}.exam-skills-list-page .mastery-topbar{min-height:34px}.exam-skill-runner-page .exam-passage{position:static}.exam-skill-type-badge{display:inline-block;font-weight:700;color:var(--accent)}.exam-skill-tag{display:inline-block;margin-bottom:8px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--accent)}.exam-skill-stimulus{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:8px;padding:14px 16px;margin:4px 0 16px;font-size:14px;line-height:1.8}.quiz-option.is-selected{background:var(--accent-soft);border-color:var(--accent)}.quiz-actions{margin-top:8px}.flashcards-overview{max-width:1040px;border-radius:28px;overflow:hidden;color:var(--ink)}.flashcards-header{max-width:680px;margin-bottom:28px;animation:flashcards-rise .45s ease both}.flashcards-header h1{margin:0 0 8px;color:var(--ink);font-size:clamp(32px,5vw,48px);line-height:1.05;letter-spacing:0;font-weight:700}.flashcards-header p{color:var(--ink-2);font-size:18px;line-height:1.65}.srs-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:28px;animation:flashcards-rise .5s ease .05s both}.stat-card{background:var(--surface-solid);border:1px solid var(--line);border-radius:22px;min-height:168px;padding:20px;position:relative;box-shadow:0 14px 30px var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.stat-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 28%,var(--line));box-shadow:0 18px 38px var(--shadow)}.stat-icon{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;border-radius:12px;background:var(--accent-soft);color:var(--accent);font-size:23px;font-weight:700;line-height:1}.stat-card .stat-label{color:var(--ink-3);font-size:13px;font-weight:700;line-height:1.25;text-transform:uppercase;letter-spacing:.03em}.stat-card .stat-value{color:var(--ink);font-size:clamp(36px,4.5vw,48px);font-weight:700;line-height:.98;margin-top:6px;font-variant-numeric:tabular-nums}.stat-card-accent{background:var(--surface-solid);border-color:color-mix(in srgb,var(--accent) 24%,var(--line));color:var(--ink)}.stat-card-accent .stat-label{color:var(--ink-3)}.stat-card-accent .stat-value{color:var(--accent)}.stat-card-new .stat-icon{background:var(--accent-soft-2);color:var(--accent-strong)}.stat-card-learning .stat-icon{background:var(--warn-soft);color:var(--warn)}.stat-card-review .stat-icon{background:var(--ok-soft);color:var(--ok)}.stat-card-review .stat-value{color:var(--ok)}.flashcards-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,.75fr);gap:20px 24px;align-items:center;margin-bottom:22px;padding:24px;border:1px solid var(--line);border-radius:24px;background:var(--surface-solid);box-shadow:0 14px 34px var(--shadow);animation:flashcards-rise .5s ease .12s both}.flashcards-filter{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}.flashcards-filter select{padding:8px 10px;border-radius:8px;border:1px solid var(--line);background:var(--surface)}.flashcards-direction{display:inline-flex;align-items:center;gap:6px;padding:5px;border-radius:16px;background:var(--surface-2)}.flashcards-direction .btn-sm{min-width:96px;border:0;border-radius:12px;background:transparent;color:var(--ink-2);white-space:nowrap}.flashcards-direction .btn-primary{background:var(--surface);color:var(--accent-strong);box-shadow:0 5px 14px var(--shadow)}.flashcards-control-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.flashcards-control-label{color:var(--ink);font-size:18px;font-weight:700}.flashcards-daily-limit{grid-column:auto}.flashcards-daily-limit input{width:110px;padding:11px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);font:inherit;font-size:22px;font-weight:700;text-align:center;box-shadow:inset 0 1px #fffc}.flashcards-start-btn{grid-column:1 / -1;width:min(100%,360px);justify-self:center;display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:64px;border:0;border-radius:16px;background:var(--accent);color:var(--accent-ink);font-size:22px;font-weight:700;box-shadow:0 16px 28px color-mix(in srgb,var(--accent) 28%,transparent)}.flashcards-start-btn:hover{background:var(--accent-hover);transform:translateY(-1px)}.flashcards-start-btn:disabled{opacity:.58;cursor:not-allowed;transform:none;box-shadow:none}.flashcards-reset-btn{grid-column:1 / -1;justify-self:center;border:0;background:transparent;color:var(--ink-3);font-weight:700}.flashcards-reset-btn:before{content:"↻";margin-right:8px}.flashcards-status{display:flex;gap:14px;align-items:flex-start;margin:0 0 20px;padding:18px 20px;border:1px solid color-mix(in srgb,var(--accent) 24%,var(--line));border-radius:18px;background:var(--accent-soft-2);color:var(--ink-2);font-size:17px;line-height:1.55;animation:flashcards-rise .5s ease .18s both}.flashcards-status-icon{flex:0 0 auto;width:21px;height:21px;display:inline-flex;align-items:center;justify-content:center;margin-top:2px;border:2px solid var(--accent);border-radius:999px;color:var(--accent);font-size:13px;font-weight:700;font-style:normal}.flashcards-shortcuts{padding:22px 24px;border:1px solid var(--line);border-radius:22px;background:var(--surface-solid);box-shadow:0 14px 30px var(--shadow);animation:flashcards-rise .5s ease .22s both}.flashcards-shortcuts h2{margin:0 0 12px;color:var(--ink-3);font-size:14px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.flashcards-shortcut-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 16px;margin-bottom:16px;color:var(--ink-2)}.flashcards-shortcut-list span{display:inline-flex;align-items:center;gap:10px;min-width:0}.flashcards-shortcut-list kbd{min-width:64px;padding:5px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);color:var(--ink);font:inherit;font-size:14px;font-weight:700;text-align:center;box-shadow:0 2px 0 var(--line-2)}.srs-stats .stat-card[title]{cursor:help}.stat-info{font-size:11px;color:var(--ink-3);margin-left:4px;vertical-align:1px}.stat-card-accent .stat-info{color:var(--ink-3)}.stat-sub{margin-top:6px;color:var(--ink-3);font-size:14px}:root[data-skin]:not([data-skin=none]) .flashcards-overview{background:#ffffffd6}:root[data-skin]:not([data-skin=none]) :is(.stat-card,.flashcards-controls,.flashcards-shortcuts){background:#fffffff5}:root[data-theme=dark][data-skin]:not([data-skin=none]) .flashcards-overview{background:#211b16c7}:root[data-theme=dark][data-skin]:not([data-skin=none]) :is(.stat-card,.flashcards-controls,.flashcards-shortcuts){background:#211b16eb}@keyframes flashcards-rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 900px){.flashcards-overview{width:min(560px,calc(100vw - 32px));padding:34px 26px 40px}.srs-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 560px){.flashcards-overview{width:min(100%,calc(100vw - 20px));padding:28px 18px 34px;border-radius:0}.flashcards-header{margin-bottom:24px}.flashcards-header p{font-size:16px}.srs-stats{gap:12px;margin-bottom:24px}.stat-card{min-height:150px;padding:18px;border-radius:20px}.stat-icon{width:40px;height:40px;margin-bottom:12px}.stat-card .stat-value{font-size:42px}.flashcards-controls{display:flex;flex-direction:column;align-items:stretch;gap:18px;padding:22px;border-radius:22px}.flashcards-control-row,.flashcards-daily-limit{width:100%}.flashcards-direction .btn-sm{min-width:92px}.flashcards-start-btn{width:100%;min-height:64px;font-size:21px}.flashcards-status{padding:16px 18px;font-size:16px}.flashcards-shortcuts{padding:20px}.flashcards-shortcut-list{grid-template-columns:1fr;gap:12px}}@media (max-width: 390px){.flashcards-overview{width:100%;padding-left:14px;padding-right:14px}.srs-stats{gap:10px}.stat-card{padding:15px;min-height:142px}.stat-card .stat-label{font-size:12px}.stat-card .stat-value{font-size:36px}.stat-sub{font-size:12px}.flashcards-control-row{flex-direction:column;align-items:stretch}.flashcards-direction{width:100%}.flashcards-direction .btn-sm{flex:1;min-width:0}}@media (prefers-reduced-motion: reduce){.flashcards-header,.srs-stats,.flashcards-controls,.flashcards-status,.flashcards-shortcuts{animation:none}.stat-card,.flashcards-start-btn{transition:none}}.flashcard-rating-btn[title]{cursor:help}.flashcard-rating-btn .rating-interval{margin-top:2px;font-variant-numeric:tabular-nums}.flashcard-session{max-width:720px}.flashcard{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:32px 28px;min-height:240px;display:flex;flex-direction:column;gap:18px;margin-bottom:16px;box-shadow:0 1px 3px #0000000a}.flashcard.is-revealed{border-color:var(--accent)}.flashcard-front{text-align:center}.flashcard-pos{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-soft-ink);font-size:12px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.flashcard-word{font-size:36px;font-weight:700;color:var(--ink);margin:0}.flashcard-topic{margin-top:8px}.flashcard-back{border-top:1px dashed var(--line);padding-top:18px;display:flex;flex-direction:column;gap:10px}.flashcard-vi{font-size:18px;color:var(--ink);margin:0}.flashcard-syn{color:var(--ink-2);font-size:14px;margin:0}.flashcard-example{border-left:3px solid var(--accent);padding:6px 14px;background:var(--bg);border-radius:6px;margin:0}.flashcard-example p{margin:2px 0}.flashcard-actions{display:flex;justify-content:center}.flashcard-rating-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.flashcard-rating-grid-simple{grid-template-columns:repeat(2,1fr);gap:12px}.flashcard-rating-grid-simple .flashcard-rating-btn{padding:18px 12px;font-size:1rem}.flashcard-rating-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 6px;border-radius:10px;cursor:pointer}.rating-key{font-size:11px;color:var(--ink-3);background:var(--surface-2);padding:1px 6px;border-radius:4px}.rating-label{font-weight:600;font-size:14px}.rating-interval{font-size:12px;color:var(--ink-3)}.flashcard-rating-btn.rating-again{border-color:var(--danger)}.flashcard-rating-btn.rating-again:hover{background:var(--danger-soft)}.flashcard-rating-btn.rating-hard{border-color:var(--warn)}.flashcard-rating-btn.rating-hard:hover{background:var(--warn-soft)}.flashcard-rating-btn.rating-good{border-color:var(--ok)}.flashcard-rating-btn.rating-good:hover{background:var(--ok-soft)}.flashcard-rating-btn.rating-easy{border-color:var(--accent)}.flashcard-rating-btn.rating-easy:hover{background:var(--accent-soft)}.flashcard-session{position:relative;width:min(1080px,100%);box-sizing:border-box;max-width:1080px;height:100%;min-height:0;margin:-16px auto 0;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:0 10px 28px #1d1b160a;display:flex;flex-direction:column}.flashcard-study-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:24px 32px 18px;border-bottom:1px solid var(--line);background:var(--surface)}.flashcard-study-head>div{min-width:0}.flashcard-study-head h1{margin:2px 0 0;font-size:28px;line-height:1.1;font-weight:700;letter-spacing:0;color:var(--ink)}.flashcard-exit{display:inline-flex;align-items:center;border:0;background:transparent;color:var(--accent);cursor:pointer;font:inherit;font-size:13px;padding:0 0 8px}.flashcard-exit:hover{color:var(--accent-hover);text-decoration:underline}.flashcard-eyebrow{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-3);overflow-wrap:anywhere}.flashcard-progress-box{min-width:190px;text-align:right}.flashcard-progress-num{font-size:30px;line-height:1;font-variant-numeric:tabular-nums;color:var(--accent);font-weight:700}.flashcard-progress-num span{color:var(--ink-3);font-size:16px}.flashcard-study-bar{width:190px;height:5px;margin-top:8px;margin-left:auto;overflow:hidden;border-radius:999px;background:var(--line)}.flashcard-study-bar div{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent-strong));transition:width .3s ease}.flashcard-progress-sub{margin-top:6px;font-size:11px;line-height:1.35;color:var(--ink-3);text-align:right}.flashcard-study-shell{display:grid;grid-template-columns:minmax(0,1fr) 292px;flex:1;min-width:0;min-height:0;overflow:hidden}.flashcard-study-main{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;padding:34px;min-height:0;overflow-y:auto;overflow-x:hidden;scrollbar-gutter:stable;background:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px),var(--bg);background-size:96px 96px}.flashcard-wrap{position:relative;width:560px;max-width:100%;min-width:0;box-sizing:border-box;flex:0 0 auto;perspective:1600px}.flashcard-level{position:absolute;top:-11px;right:-10px;z-index:1;border-radius:999px;background:var(--accent-soft);color:var(--accent-soft-ink);border:1px solid var(--accent);padding:5px 11px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;font-weight:700;letter-spacing:.5px}.flashcard-session .flashcard{width:100%;min-width:0;height:440px;margin:0;padding:40px 36px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);cursor:pointer;text-align:left;box-shadow:0 8px 18px #1d1b160d;overflow:hidden;box-sizing:border-box;transform-style:preserve-3d;transition:box-shadow .3s ease,border-color .3s ease,transform .15s ease}.flashcard-session .flashcard:not(.is-revealed):hover{transform:translateY(-2px);box-shadow:0 12px 24px #1d1b1614}.flashcard-session .flashcard.is-revealed{background:var(--surface);color:var(--ink);border-color:var(--accent);box-shadow:0 12px 28px #1d1b1617;animation:flashcard-flip .5s cubic-bezier(.2,.7,.25,1) both}@keyframes flashcard-flip{0%{transform:rotateY(-180deg)}to{transform:rotateY(0)}}.flashcard-session .flashcard.is-revealed .flashcard-back{animation:flashcard-face-in .5s linear both}@keyframes flashcard-face-in{0%{opacity:0}50%{opacity:0}51%{opacity:1}to{opacity:1}}@media (prefers-reduced-motion: reduce){.flashcard-session .flashcard,.flashcard-session .flashcard:not(.is-revealed):hover,.flashcard-session .flashcard.is-revealed,.flashcard-session .flashcard.is-revealed .flashcard-back{transition:none;transform:none;animation:none}}.flashcard-session .flashcard-front{height:100%;display:flex;flex-direction:column;align-items:center;text-align:center}.flashcard-topline{width:100%;display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}.flashcard-session .flashcard-pos{border-radius:999px;background:var(--accent-soft);color:var(--accent-soft-ink);padding:5px 10px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin:0}.flashcard-audio{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--accent);background:var(--accent-soft);color:var(--accent);font-size:20px}.flashcard-audio-btn{cursor:pointer;transition:transform .1s ease,background .15s ease;-webkit-user-select:none;user-select:none}.flashcard-audio-btn:hover{background:var(--accent);color:#fff}.flashcard-audio-btn:active{transform:scale(.92)}.flashcard-audio-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.flashcard-audio-inline{width:28px;height:28px;font-size:15px;margin-left:8px;vertical-align:middle}.flashcard-ipa{margin:4px 0 0;color:var(--accent);font-size:18px;font-family:Times New Roman,Charis SIL,Doulos SIL,serif;letter-spacing:.3px}.flashcard-ipa-inline{margin-left:8px;color:var(--accent);font-family:Times New Roman,Charis SIL,Doulos SIL,serif}.flashcard-session .flashcard-word{max-width:100%;margin:auto 0 0;color:inherit;font-size:clamp(28px,5vw,56px);font-weight:700;line-height:1.1;overflow-wrap:anywhere;word-break:break-word;-webkit-hyphens:auto;hyphens:auto}.flashcard-session .flashcard-topic{margin-top:14px;color:var(--ink-3);font-size:13px}.flashcard-flip-hint{margin-top:auto;padding-top:28px;color:var(--ink-3);font-size:12px}.flashcard-session .flashcard-back{height:100%;display:flex;flex-direction:column;gap:16px;border:0;padding:0;overflow-y:auto;overflow-x:hidden}.flashcard-back-word{color:var(--accent);font-size:clamp(22px,3.2vw,30px);font-weight:700;line-height:1.2;overflow-wrap:anywhere;word-break:break-word}.flashcard-back-word span{margin-left:10px;color:var(--ink-3);font-size:14px;font-weight:500}.flashcard-en-def{margin:-8px 0 0;color:var(--ink-2);font-size:14px;font-style:italic}.flashcard-session .flashcard-example{margin:0;padding:16px;border:1px solid var(--accent-soft);border-left:3px solid var(--accent);border-radius:8px;background:var(--surface);color:inherit}.flashcard-session .flashcard-example span,.flashcard-meta-grid span{display:block;margin-bottom:7px;color:var(--ink-3);font-size:10px;font-weight:700;letter-spacing:.8px;text-transform:uppercase}.flashcard-session .flashcard-example p{margin:3px 0;font-size:15px;line-height:1.55}.flashcard-meta-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.flashcard-meta-grid p{margin:0;color:var(--ok);font-size:13px;line-height:1.5}.flashcard-session .flashcard-actions{width:560px;max-width:100%;min-width:0;box-sizing:border-box;justify-content:center}.flashcard-reveal-btn{border-color:var(--accent);background:var(--accent);color:var(--surface);border-radius:8px}.flashcard-reveal-btn:hover{background:var(--accent-hover)}.flashcard-session .flashcard-rating-grid-simple{width:560px;max-width:100%;min-width:0;box-sizing:border-box;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.flashcard-session .flashcard-rating-btn{display:flex;flex-direction:row;align-items:center;gap:12px;min-height:68px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);cursor:pointer;text-align:left;font:inherit}.flashcard-session .flashcard-rating-btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px #d76f4d1f}.flashcard-session .rating-key{width:31px;height:31px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:50%;color:inherit;font-size:13px;font-weight:700}.flashcard-session .rating-label,.flashcard-session .rating-interval{display:block}.flashcard-session .rating-label{font-size:14px;font-weight:700}.flashcard-session .rating-interval{margin-top:2px;color:var(--ink-3);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px}.flashcard-session .rating-again .rating-key{background:var(--danger-soft);color:var(--danger)}.flashcard-session .rating-good .rating-key{background:var(--ok-soft);color:var(--ok)}.flashcard-session .rating-icon{display:none;flex-shrink:0;font-size:18px;font-weight:700;line-height:1}.flashcard-session .rating-again .rating-icon{color:var(--danger)}.flashcard-session .rating-good .rating-icon{color:var(--ok)}.flashcard-study-list{display:flex;flex-direction:column;gap:14px;padding:24px 18px;min-width:0;overflow:auto;border-left:1px solid var(--line);background:var(--surface)}@media (min-width: 901px){.app-content:has(.flashcard-session) main.container{display:flex;flex-direction:column;align-items:center;min-height:0}.flashcard-session{width:min(1080px,100%);height:calc(100vh - var(--navbar-height) - 64px);flex:0 0 auto}.flashcard-study-main{overflow-y:auto;overflow-x:hidden}.flashcard-study-list{min-height:0}}@media (min-width: 901px) and (max-height: 780px){.flashcard-study-head{padding:14px 28px 12px}.flashcard-study-head h1{font-size:22px}.flashcard-study-main{padding:20px 28px;gap:16px}.flashcard-session .flashcard{height:360px;padding:26px 30px}.flashcard-topline{margin-bottom:18px}.flashcard-session .flashcard-rating-btn{min-height:56px;padding:10px 14px}}@media (min-width: 901px) and (max-height: 660px){.flashcard-study-head{padding:10px 24px}.flashcard-study-head h1{font-size:20px}.flashcard-eyebrow{display:none}.flashcard-study-main{padding:14px 24px;gap:12px}.flashcard-session .flashcard{height:280px;padding:20px 24px}.flashcard-topline{margin-bottom:12px}.flashcard-flip-hint{padding-top:12px}.flashcard-session .flashcard-rating-btn{min-height:48px;padding:8px 12px}.flashcard-session .flashcard-rating-grid-simple{gap:8px}}.flashcard-progress-fab,.flashcard-progress-close{display:none}.flashcard-list-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.flashcard-list-head h2{margin:0;font-size:14px;font-weight:700;color:var(--ink)}.flashcard-list-head span{color:var(--ink-3);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px}.flashcard-list-items{display:flex;flex-direction:column;gap:2px}.flashcard-list-item{display:flex;align-items:center;gap:10px;border-radius:8px;padding:10px 8px}.flashcard-list-item.is-current{background:var(--accent-soft);box-shadow:0 1px 3px #d76f4d14}.flashcard-list-dot{width:19px;height:19px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;border:1px solid var(--line);border-radius:50%;color:var(--surface);font-size:10px}.flashcard-list-dot.is-done{background:var(--ok);border-color:var(--ok)}.flashcard-list-dot.is-current{background:var(--accent);border-color:var(--accent)}.flashcard-list-item strong,.flashcard-list-item small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.flashcard-list-item>span:last-child{min-width:0}.flashcard-list-item strong{color:var(--ink);font-size:13px;line-height:1.2}.flashcard-list-item small{margin-top:2px;color:var(--ink-3);font-size:11px;line-height:1.25}@media (max-width: 900px){.flashcard-session{margin-top:0}.flashcard-study-head{align-items:flex-start;flex-direction:column;padding:22px 96px 16px 20px}.flashcard-progress-box,.flashcard-study-bar{width:100%;min-width:0;text-align:left}.flashcard-progress-box{display:none}.flashcard-study-bar{margin-left:0}.flashcard-study-shell{grid-template-columns:1fr;min-height:0;overflow:auto}.flashcard-study-main{justify-content:flex-start;overflow:visible;padding:26px 18px 28px}.flashcard-wrap,.flashcard-session .flashcard-actions,.flashcard-session .flashcard-rating-grid-simple{width:100%;max-width:560px}.flashcard-level{right:8px}.flashcard-progress-fab{position:absolute;top:14px;right:14px;z-index:36;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:7px 14px;border:1px solid rgba(215,111,77,.32);border-radius:999px;background:var(--accent);color:var(--surface);box-shadow:0 6px 16px #1d1b1629;cursor:pointer}.flashcard-progress-fab span{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;font-weight:700}.flashcard-progress-fab strong{display:none}.flashcard-study-list{position:absolute;top:58px;right:14px;z-index:35;width:min(340px,calc(100vw - 28px));max-height:min(62vh,430px);border:1px solid var(--line);border-radius:12px;background:var(--surface-solid);box-shadow:0 18px 42px #1d1b162e;transform:translateY(-10px) scale(.98);transform-origin:top right;opacity:0;pointer-events:none;transition:opacity .16s ease,transform .16s ease}.flashcard-study-list.is-open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto}.flashcard-progress-close{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--ink-2);font-size:20px;line-height:1;cursor:pointer}}@media (max-width: 560px){.flashcard-study-head h1{font-size:28px}.flashcard-session .flashcard{height:340px;padding:24px 22px}.flashcard-study-main{padding:18px 18px 24px;gap:14px}.flashcard-session .flashcard-rating-grid-simple{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.flashcard-session .flashcard-rating-btn{flex-direction:row;justify-content:center;align-items:center;gap:0;min-height:56px;padding:10px 12px}.flashcard-session .rating-key,.flashcard-session .flashcard-rating-btn>span:last-child{display:none}.flashcard-session .rating-icon{display:inline-flex;font-size:24px}}kbd{background:var(--surface-2);border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:1px 5px;font-size:12px;color:var(--ink);font-family:ui-monospace,monospace}.home-dashboard,.welcome-page{display:flex;flex-direction:column;gap:20px}.home-hero,.welcome-hero{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:stretch;padding:28px;margin-bottom:4px;background:var(--home-hero-bg);color:var(--home-hero-text);border-radius:20px;overflow:hidden}.home-hero{position:relative;--home-hero-text: var(--dash-hero-text);--home-hero-muted: var(--dash-hero-muted);--home-hero-eyebrow: var(--dash-hero-eyebrow);--home-hero-panel-bg: var(--dash-hero-pill-bg);--home-hero-panel-border: var(--dash-hero-pill-border);background:var(--dash-hero-bg);color:var(--dash-hero-text);border:1px solid var(--dash-hero-border);box-shadow:var(--dash-hero-shadow)}.home-hero .hero-xp-ring{background:conic-gradient(var(--accent) calc(var(--p, 0) * 1%),var(--dash-hero-track) 0)}.home-hero .hero-xp-ring:after{background:var(--dash-hero-ring-center)}.home-hero .hero-xp-bar{background:var(--dash-hero-track)}.home-hero .hero-xp-bar span{background:var(--accent)}.home-hero-copy,.welcome-hero-copy{display:flex;flex-direction:column;justify-content:center;min-width:0}.home-eyebrow{color:var(--home-hero-eyebrow);font-size:12px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;margin-bottom:10px}.home-hero h1,.welcome-hero h1{font-size:38px;line-height:1.08;margin:0 0 10px;max-width:760px}.hero-xp{display:inline-flex;align-items:center;gap:10px;align-self:flex-start;max-width:100%;margin:2px 0 14px;padding:6px 12px 6px 6px;border:1px solid var(--home-hero-panel-border);border-radius:999px;background:var(--home-hero-panel-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero-xp-ring{position:relative;flex-shrink:0;width:34px;height:34px;border-radius:50%;background:conic-gradient(var(--home-hero-text) calc(var(--p, 0) * 1%),rgba(255,255,255,.22) 0)}.hero-xp-ring:after{content:"";position:absolute;top:3px;right:3px;bottom:3px;left:3px;border-radius:50%;background:var(--home-hero-bg)}.hero-xp-level{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;line-height:1;color:var(--home-hero-text)}.hero-xp-info{display:flex;flex-direction:column;gap:4px;min-width:0}.hero-xp-bar{width:120px;max-width:40vw;height:6px;border-radius:999px;background:#ffffff38;overflow:hidden}.hero-xp-bar span{display:block;height:100%;border-radius:inherit;background:var(--home-hero-text);transition:width .4s ease}.hero-xp-sub{font-size:11px;font-weight:600;white-space:nowrap;color:var(--home-hero-muted)}.hero-stats{display:flex;flex-wrap:wrap;align-items:stretch;gap:10px;margin:2px 0 14px}.hero-stats .hero-xp{margin:0}.hero-rank{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:9px;padding:6px 14px 6px 8px;border:1px solid rgba(245,181,61,.42);border-radius:999px;background:linear-gradient(135deg,#ffc44d38,#ff8a4c14),var(--home-hero-panel-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--home-hero-text);text-decoration:none;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.hero-rank:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(115deg,transparent 38%,rgba(255,234,184,.55) 50%,transparent 62%);transform:translate(-120%);animation:heroRankShimmer 4.5s ease-in-out infinite;pointer-events:none}.hero-rank:hover{transform:translateY(-1px);border-color:#f5b53dd9;box-shadow:0 4px 16px #f5b53d47}@keyframes heroRankShimmer{0%,70%,to{transform:translate(-120%)}85%{transform:translate(120%)}}@media (prefers-reduced-motion: reduce){.hero-rank:after{animation:none}}.hero-rank-icon{display:flex;flex-shrink:0;color:#f5b53d}.hero-rank-icon svg{width:18px;height:18px}.hero-rank-info{display:flex;flex-direction:column;line-height:1.1}.hero-rank-num{font-size:15px;font-weight:800}.hero-rank-sub{font-size:11px;font-weight:600;white-space:nowrap;color:var(--home-hero-muted)}.home-hero p,.welcome-hero p{font-size:15px;line-height:1.7;color:var(--home-hero-muted);max-width:680px;margin:0}.hero-streak-compact{display:inline-grid;grid-template-columns:auto minmax(180px,1fr);align-items:center;gap:12px;align-self:flex-start;width:min(100%,520px);margin-top:14px;padding:10px 12px;border:1px solid var(--home-hero-panel-border);border-radius:14px;background:var(--home-hero-panel-bg)}.hero-streak-line{display:flex;align-items:baseline;gap:7px;min-width:0}.hero-streak-line strong{color:var(--accent);font-size:34px;font-weight:850;line-height:.95}.hero-streak-line span{color:var(--home-hero-muted);font-size:13px;font-weight:700;white-space:nowrap}.hero-streak-week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px}.hero-streak-week span{display:inline-flex;align-items:center;justify-content:center;min-width:0;height:26px;border-radius:999px;background:var(--dash-hero-track);color:var(--home-hero-muted);font-size:11px;font-weight:800}.hero-streak-week span.active{background:var(--accent);color:var(--accent-ink)}.home-hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.home-hero-meta span{display:inline-flex;align-items:center;min-height:28px;padding:5px 10px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:#ffffff1a;color:#ffffffe6;font-size:12px;font-weight:600}.home-action-panel,.welcome-hero-panel{background:var(--home-hero-panel-bg);border:1px solid var(--home-hero-panel-border);border-radius:14px;padding:16px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.home-action-panel{background:transparent;border:0;padding:0;-webkit-backdrop-filter:none;backdrop-filter:none;display:flex;flex-direction:column;gap:12px}.home-action-panel .btn-primary{width:100%;text-align:center;padding:14px 20px;font-size:15px;font-weight:700;border:0;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:var(--accent-ink);box-shadow:0 10px 22px -8px var(--accent)}.home-action-panel .btn-primary:hover{background:linear-gradient(135deg,var(--accent-hover),var(--accent-strong));filter:brightness(1.03)}.home-action-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}.home-action-item{display:flex;flex-direction:column;gap:3px;padding:14px;border-radius:14px;background:var(--dash-hero-tile-bg);border:1px solid var(--dash-hero-tile-border);color:var(--dash-hero-text);text-decoration:none;transition:transform .15s ease,background .15s ease,border-color .15s ease}.home-action-item:hover{transform:translateY(-2px);background:var(--dash-hero-tile-hover);border-color:var(--accent)}.home-action-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;margin-bottom:4px;border-radius:10px;background:#e184612e;color:var(--accent-strong)}.home-action-icon svg{width:19px;height:19px}.home-action-item strong{display:block;font-size:14px;font-weight:700;line-height:1.25;color:var(--dash-hero-text)}.home-action-desc{display:block;color:var(--dash-hero-muted);font-size:12px;line-height:1.35}.home-action-item--shadowing{position:relative;overflow:hidden;border-color:transparent;color:#fff;background:linear-gradient(120deg,var(--accent-strong),#6d5dfc 48%,#2bb1c9 100%);background-size:220% 220%;animation:shadowing-pan 8s ease-in-out infinite;box-shadow:0 12px 26px -10px #6d5dfc99}.home-action-item--shadowing:hover{transform:translateY(-3px);border-color:transparent;background:linear-gradient(120deg,var(--accent-strong),#6d5dfc 48%,#2bb1c9 100%);background-size:220% 220%;filter:brightness(1.05)}.home-action-item--shadowing strong{color:#fff}.home-action-item--shadowing .home-action-desc{color:#ffffffd9;padding-right:46px}.home-action-item--shadowing .home-action-icon{background:#ffffff38;color:#fff}@keyframes shadowing-pan{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.home-action-badge{position:absolute;top:10px;right:10px;padding:2px 7px;border-radius:999px;font-size:10px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:#ffffffeb;color:var(--accent-strong)}.home-action-eq{position:absolute;right:14px;bottom:14px;display:flex;align-items:flex-end;gap:3px;height:22px;opacity:.9}.home-action-eq i{width:3px;border-radius:2px;background:#ffffffe6;height:40%}.home-action-eq i:nth-child(1){animation:eq1 1.7s ease-in-out infinite}.home-action-eq i:nth-child(2){animation:eq2 2.1s ease-in-out infinite}.home-action-eq i:nth-child(3){animation:eq3 1.5s ease-in-out infinite}.home-action-eq i:nth-child(4){animation:eq4 2.4s ease-in-out infinite}.home-action-eq i:nth-child(5){animation:eq5 1.9s ease-in-out infinite}@keyframes eq1{0%{height:30%}20%{height:85%}40%{height:45%}60%{height:100%}80%{height:35%}to{height:30%}}@keyframes eq2{0%{height:70%}20%{height:30%}45%{height:95%}65%{height:50%}85%{height:80%}to{height:70%}}@keyframes eq3{0%{height:50%}25%{height:100%}50%{height:25%}70%{height:75%}90%{height:40%}to{height:50%}}@keyframes eq4{0%{height:90%}30%{height:40%}55%{height:70%}75%{height:30%}to{height:90%}}@keyframes eq5{0%{height:35%}15%{height:65%}40%{height:100%}60%{height:45%}85%{height:90%}to{height:35%}}.home-dashboard{gap:18px}.home-dashboard .home-hero{display:block;padding:26px;min-height:150px;border-radius:14px;background:radial-gradient(90% 160% at 96% 0%,var(--accent-soft) 0%,transparent 48%),var(--surface);color:var(--ink);border:1px solid var(--line);box-shadow:0 16px 34px -28px var(--shadow)}.home-dashboard .home-hero-copy{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding-right:188px}.home-dashboard .home-eyebrow{display:none}.home-dashboard .home-hero h1{order:1;margin:0;color:var(--ink);font-size:29px;letter-spacing:0}.home-dashboard .home-hero p{order:2;margin:0;color:var(--ink-2);font-size:14px}.home-dashboard .hero-stats{order:3;margin:0}.home-dashboard .hero-xp,.home-dashboard .hero-rank,.home-dashboard .hero-streak-compact{background:var(--surface-2);border-color:var(--line);color:var(--ink);box-shadow:none}.home-dashboard .hero-xp-sub,.home-dashboard .hero-rank-sub,.home-dashboard .hero-streak-line span,.home-dashboard .hero-streak-week span{color:var(--ink-2)}.home-dashboard .hero-xp-level{color:var(--ink)}.home-dashboard .hero-streak-compact{order:4;width:auto;max-width:430px;margin:0;padding:7px 10px;border-radius:999px}.home-dashboard .hero-streak-line strong{font-size:16px}.home-dashboard .hero-streak-week{width:196px}.home-dashboard .hero-streak-week span{height:20px;background:var(--surface);font-size:10px}.home-dashboard .hero-streak-week span.active{background:var(--accent);color:var(--accent-ink)}.home-hero-cta{order:5;position:absolute;right:0;top:0;display:inline-flex;align-items:center;gap:10px;padding:13px 18px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:var(--accent-ink);text-decoration:none;font-weight:800;box-shadow:0 12px 22px -14px var(--accent)}.home-hero-cta svg{width:18px;height:18px}.home-dashboard .home-action-panel{display:none}@media (max-width: 860px){.home-hero,.welcome-hero{grid-template-columns:minmax(0,1fr);padding:24px}.home-hero h1,.welcome-hero h1{font-size:30px}.hero-streak-compact{grid-template-columns:minmax(0,1fr);gap:8px}.home-dashboard .home-hero-copy{padding-right:0}.home-hero-cta{position:static;align-self:flex-start;margin-top:2px;padding:9px 14px;gap:7px;font-size:14px;border-radius:9px}.home-hero-cta svg{width:15px;height:15px}}@keyframes home-rise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 860px){.home-dashboard .home-hero{animation:home-rise .45s cubic-bezier(.22,.61,.36,1) both}.home-dashboard .dashboard-card{animation:home-rise .5s cubic-bezier(.22,.61,.36,1) both}.home-dashboard .dashboard-grid .dashboard-card:nth-child(1){animation-delay:.08s}.home-dashboard .dashboard-grid .dashboard-card:nth-child(2){animation-delay:.14s}.home-dashboard .dashboard-grid .dashboard-card:nth-child(3){animation-delay:.2s}.home-dashboard .dashboard-grid .dashboard-card:nth-child(4){animation-delay:.26s}.home-dashboard .dashboard-grid .dashboard-card:nth-child(5){animation-delay:.32s}.home-dashboard .dashboard-grid .dashboard-card:nth-child(6){animation-delay:.38s}.home-action-item,.home-action-panel .btn,.home-dashboard .dashboard-task,.home-dashboard .btn{transition:transform .12s ease,background-color .15s ease;-webkit-tap-highlight-color:transparent}.home-action-item:active,.home-action-panel .btn:active,.home-dashboard .dashboard-task:active,.home-dashboard .btn:active{transform:scale(.97)}}@media (prefers-reduced-motion: reduce){.home-dashboard .home-hero,.home-dashboard .dashboard-card,.home-action-item--shadowing,.home-action-eq i{animation:none}.home-action-eq i{height:70%}}.dashboard-section{display:flex;flex-direction:column;gap:16px}.dashboard-kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.kpi-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px}.kpi-label{color:var(--ink-3);font-size:12px;margin-bottom:4px}.kpi-value{font-size:24px;font-weight:700;color:var(--ink);line-height:1.1}.kpi-suffix{font-size:13px;font-weight:500;color:var(--ink-3)}.kpi-card-orange{background:linear-gradient(135deg,var(--accent),var(--accent-hover));color:var(--surface);border-color:transparent}.kpi-card-orange .kpi-label,.kpi-card-orange .kpi-suffix{color:#ffffffd9}.kpi-card-orange .kpi-value{color:var(--surface)}.kpi-card-green{background:linear-gradient(135deg,var(--ok),var(--ok));color:var(--surface);border-color:transparent}.kpi-card-green .kpi-label,.kpi-card-green .kpi-suffix{color:#ffffffd9}.kpi-card-green .kpi-value{color:var(--surface)}.dashboard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}@media (max-width: 1000px){.dashboard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 768px){.dashboard-grid{grid-template-columns:minmax(0,1fr)}}.dashboard-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:12px;min-width:0;overflow-wrap:anywhere}.dashboard-nav-card,.dashboard-daily-card,.dashboard-card-plan{grid-column:span 2}.dashboard-streak-legacy,.dashboard-history-legacy,.dashboard-ai-legacy{display:none}.dashboard-link-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.dashboard-link-tile{display:grid;gap:3px;min-width:0;padding:10px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);color:inherit;text-decoration:none;transition:transform .15s ease,border-color .15s ease,background .15s ease}.dashboard-link-tile:hover{transform:translateY(-2px);border-color:var(--accent);background:var(--accent-soft)}.dashboard-link-index{color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.08em}.dashboard-link-tile strong{color:var(--ink);font-size:13px;line-height:1.25}.dashboard-link-tile small{color:var(--ink-3);font-size:11px;line-height:1.25}.home-dashboard .dashboard-nav-card,.home-dashboard .dashboard-daily-card{grid-column:1 / -1}.home-dashboard .dashboard-nav-card{padding:0;border:0;background:transparent}.home-dashboard .dashboard-nav-card .dashboard-card-header{display:none}.home-dashboard .dashboard-link-grid{grid-template-columns:repeat(8,minmax(0,1fr));gap:12px}.home-dashboard .dashboard-link-tile{min-height:130px;place-items:center;align-content:center;gap:8px;padding:14px 10px;border-radius:10px;background:var(--surface);box-shadow:0 14px 30px -26px var(--shadow)}.home-dashboard .dashboard-link-tile:first-child{border-color:color-mix(in srgb,var(--accent) 42%,var(--line));background:linear-gradient(180deg,var(--accent-soft-2),var(--surface))}.dashboard-link-icon{display:grid;width:48px;height:48px;place-items:center;border-radius:12px;background:var(--accent-soft);color:var(--accent)}.dashboard-link-icon svg{width:25px;height:25px}.dashboard-link-tile--green .dashboard-link-icon{background:var(--ok-soft);color:var(--ok)}.dashboard-link-tile--orange .dashboard-link-icon{background:var(--accent-soft);color:var(--accent)}.dashboard-link-tile--purple .dashboard-link-icon,.dashboard-link-tile--pink .dashboard-link-icon,.dashboard-link-tile--blue .dashboard-link-icon{background:var(--accent-soft-2);color:var(--accent-strong)}.dashboard-link-tile--gray .dashboard-link-icon{background:var(--surface-2);color:var(--ink-3)}.home-dashboard .dashboard-link-tile strong,.home-dashboard .dashboard-link-tile small{text-align:center}.home-dashboard .dashboard-link-tile strong{font-size:13px}.dashboard-daily-card{position:relative;overflow:hidden;background:radial-gradient(90% 120% at 100% 0%,var(--accent-soft) 0%,transparent 45%),var(--surface)}.daily-quiz-slide{display:grid;gap:12px;animation:daily-slide-in .22s ease both}.home-dashboard .dashboard-daily-card{min-height:276px;padding:28px 244px 24px 24px;border-radius:14px;background:radial-gradient(40% 86% at 86% 50%,var(--accent-soft) 0%,transparent 70%),linear-gradient(135deg,var(--surface) 0%,var(--accent-soft-2) 100%)}.home-dashboard .dashboard-daily-card--done{padding:28px 24px 24px}.home-dashboard .daily-quiz-prompt{font-size:17px;min-height:34px}.home-dashboard .daily-quiz-options{max-width:520px}.daily-quiz-art{position:absolute;right:28px;top:50%;width:200px;height:240px;transform:translateY(-50%);pointer-events:none}.daily-quiz-canvas{display:block;border-radius:18px}@keyframes daily-slide-in{0%{opacity:0;transform:translate(18px)}to{opacity:1;transform:translate(0)}}@media (prefers-reduced-motion: reduce){.daily-quiz-slide{animation:none}}.daily-quiz-meta,.daily-quiz-footer{display:flex;align-items:center;justify-content:space-between;gap:10px}.daily-quiz-meta span{color:var(--accent-soft-ink);background:var(--accent-soft);border-radius:999px;padding:3px 9px;font-size:11px;font-weight:800}.daily-quiz-instruction{margin:0 0 4px;color:var(--accent);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.02em}.daily-quiz-prompt{min-height:44px;margin:0;color:var(--ink);font-size:16px;font-weight:650;line-height:1.5}.daily-quiz-prompt strong{font-weight:900;color:var(--accent)}.daily-quiz-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.daily-quiz-option{display:flex;align-items:center;gap:9px;min-height:44px;padding:9px 10px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;text-align:left;cursor:pointer;transition:transform .12s ease,border-color .12s ease,background .12s ease}.daily-quiz-option:not(:disabled):hover{transform:translateY(-1px);border-color:var(--accent)}.daily-quiz-option span{display:inline-grid;flex:0 0 auto;width:24px;height:24px;place-items:center;border-radius:8px;background:var(--surface-2);color:var(--accent);font-size:12px;font-weight:800}.daily-quiz-option strong{min-width:0;color:inherit;font-size:13px;line-height:1.3}.daily-quiz-option.is-correct{border-color:var(--ok);background:var(--ok-soft);color:var(--ok)}.daily-quiz-option.is-wrong{border-color:var(--danger);background:var(--danger-soft);color:var(--danger)}.daily-quiz-dots{display:flex;gap:5px}.daily-quiz-dots span{width:7px;height:7px;border-radius:999px;background:var(--line)}.daily-quiz-dots span.active{width:18px;background:var(--accent)}.daily-quiz-result{font-size:12px;font-weight:800}.daily-quiz-result.ok{color:var(--ok)}.daily-quiz-result.bad{color:var(--danger)}.daily-quiz-done{display:grid;place-items:center;gap:8px;min-height:220px;text-align:center}.daily-quiz-score{color:var(--accent);font-size:52px;font-weight:850;line-height:1}.daily-quiz-complete{display:grid;place-items:center;gap:6px;min-height:220px;padding:12px;text-align:center}.daily-quiz-complete-art{width:120px;height:120px;color:var(--accent)}.daily-quiz-complete strong{font-size:17px;font-weight:750}.daily-quiz-complete p{max-width:30ch;font-size:13px;line-height:1.5}.dashboard-streak-compact{gap:10px;background:var(--surface)}.dashboard-streak-line{display:flex;align-items:baseline;gap:8px}.dashboard-streak-line strong{color:var(--accent);font-size:42px;line-height:.95}.dashboard-streak-line span{color:var(--ink-2);font-size:13px}.dashboard-streak-compact .dashboard-week-row{padding:8px 0;border-color:var(--line)}.dashboard-streak-compact .dashboard-week-row span{background:var(--surface-2);color:var(--ink-3)}.dashboard-streak-compact .dashboard-week-row span.active{background:var(--accent);color:var(--accent-ink)}.dashboard-streak-compact .dashboard-mini-stats span{color:var(--ink-3)}.dashboard-streak-compact .dashboard-mini-stats strong{color:var(--ink)}.dashboard-card-wide{grid-column:span 2}@media (max-width: 1000px){.dashboard-card-wide{grid-column:1 / -1}}@media (max-width: 768px){.dashboard-card-wide{grid-column:auto}}@media (max-width: 1000px){.dashboard-nav-card,.dashboard-daily-card,.dashboard-card-plan{grid-column:1 / -1}}@media (max-width: 768px){.dashboard-nav-card,.dashboard-daily-card,.dashboard-card-plan{grid-column:auto}.dashboard-link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.daily-quiz-options{grid-template-columns:minmax(0,1fr)}.dashboard-grid{gap:10px}.dashboard-card{padding:14px;border-radius:12px}.dashboard-link-tile{padding:9px}.daily-quiz-done{min-height:170px}.daily-quiz-score{font-size:44px}}@media (max-width: 1100px){.home-dashboard .dashboard-link-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (max-width: 640px){.home-dashboard .dashboard-link-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.home-dashboard .dashboard-link-tile{min-height:84px;padding:10px 6px}.dashboard-link-icon{width:38px;height:38px;border-radius:10px}.dashboard-link-icon svg{width:21px;height:21px}.home-dashboard .dashboard-link-tile strong{font-size:11px}.home-dashboard .dashboard-link-tile small{display:none}.home-dashboard .dashboard-daily-card{min-height:0;padding:16px}.daily-quiz-art{display:none}}.dashboard-row-2up{grid-column:1 / -1;display:grid;grid-template-columns:1fr 1fr;gap:14px;min-width:0}.dashboard-row-compact{grid-template-columns:minmax(0,1fr)}@media (max-width: 768px){.dashboard-row-2up{grid-template-columns:minmax(0,1fr)}}.dashboard-table-scroll{overflow-x:auto;min-width:0}.dashboard-card-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:2px}.dashboard-card-header h2{font-size:14px;margin:0;color:var(--ink);font-weight:600}.dashboard-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px 10px}.dashboard-task-list,.dashboard-progress-list,.dashboard-bucket-list,.dashboard-mistake-list{display:grid;gap:8px}.dashboard-task{display:grid;grid-template-columns:22px minmax(0,1fr) auto;align-items:center;gap:12px;padding:11px 4px;border-bottom:1px solid var(--surface-2);color:inherit;text-decoration:none}.dashboard-task:last-child{border-bottom:0}.dashboard-task:hover .dashboard-task-copy strong{color:var(--accent)}.dashboard-task-highlight{margin:0 -8px;padding:12px;border:0;border-radius:10px;background:var(--accent-soft)}.dashboard-task-check{width:20px;height:20px;border:1.5px solid var(--accent);border-radius:6px;color:var(--surface);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800}.dashboard-task-check.done{background:var(--accent);border-color:var(--accent)}.dashboard-task-copy{min-width:0;display:flex;flex-direction:column;gap:2px}.dashboard-task-copy strong{color:var(--ink);font-size:14px;line-height:1.35}.dashboard-task-copy small{color:var(--ink-3);font-size:12px;line-height:1.4}.dashboard-task-tag{padding:3px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent-soft-ink);font-size:10px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;white-space:nowrap}.dashboard-card-dark{background:var(--dashboard-streak-card-bg);border-color:var(--dashboard-streak-card-border);color:var(--dashboard-streak-card-text)}.dashboard-card-dark .dashboard-card-header h2,.dashboard-card-dark p{color:var(--dashboard-streak-card-text)}.dashboard-card-dark .muted{color:var(--dashboard-streak-muted)}.dashboard-streak-value{font-size:64px;line-height:.95;font-weight:800;color:var(--accent)}.dashboard-card-dark p{margin:-6px 0 4px;color:var(--dashboard-streak-copy);font-size:13px}.dashboard-week-row{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;padding:12px 0;border-top:1px solid var(--dashboard-streak-divider);border-bottom:1px solid var(--dashboard-streak-divider)}.dashboard-week-row span{display:inline-flex;align-items:center;justify-content:center;min-width:0;height:26px;border-radius:999px;background:var(--dashboard-streak-day-bg);color:var(--dashboard-streak-day-text);font-size:11px;font-weight:700}.dashboard-week-row span.active{background:var(--accent);color:var(--dashboard-streak-active-text)}.dashboard-mini-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.dashboard-mini-stats span{min-width:0;color:var(--dashboard-streak-stat-text);font-size:10px;line-height:1.2;text-transform:uppercase;overflow-wrap:anywhere}.dashboard-mini-stats strong{display:block;color:var(--dashboard-streak-card-text);font-size:18px;line-height:1.1;margin-bottom:3px}.dashboard-progress-item{display:grid;gap:7px}.dashboard-progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:13px}.dashboard-progress-head span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}.dashboard-progress-head strong{color:var(--ink);font-size:12px}.dashboard-progress-bar,.dashboard-bucket div{height:7px;overflow:hidden;border-radius:999px;background:var(--surface-2)}.dashboard-progress-bar span,.dashboard-bucket div span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent-strong))}.dashboard-bucket{display:grid;grid-template-columns:1fr auto;gap:6px 10px;align-items:center}.dashboard-bucket span{color:var(--ink-2);font-size:13px}.dashboard-bucket strong{color:var(--ink);font-size:13px}.dashboard-bucket div{grid-column:1 / -1}.dashboard-flashcard-card{perspective:1100px;background:radial-gradient(78% 120% at 100% 0%,var(--accent-soft) 0%,transparent 56%),var(--surface)}.dashboard-card-flip{display:flex;flex-direction:column;gap:12px;transform-style:preserve-3d;transform-origin:50% 50%;animation:dashboard-card-flip-in .72s cubic-bezier(.34,1.12,.5,1) backwards;transition:transform .45s cubic-bezier(.22,.61,.36,1)}@keyframes dashboard-card-flip-in{0%{transform:rotateY(-92deg);opacity:0}55%{opacity:1}to{transform:rotateY(0);opacity:1}}.dashboard-flashcard-card:hover .dashboard-card-flip{transform:rotateY(7deg) rotateX(-4deg) translateZ(8px)}@media (prefers-reduced-motion: reduce){.dashboard-card-flip{animation:none;transition:none}.dashboard-flashcard-card:hover .dashboard-card-flip{transform:none}}.dashboard-mistake-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:10px;background:var(--surface-2);border:1px solid var(--surface-2)}.dashboard-mistake-item span{color:var(--ink-2);font-size:13px}.dashboard-mistake-item strong{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:24px;border-radius:999px;background:var(--accent-soft-2);color:var(--accent-strong);font-size:13px}.dashboard-score-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}.score-stat{display:flex;flex-direction:column;gap:8px;padding:12px;background:var(--surface-2);border-radius:8px;border:1px solid var(--line)}.stat-label{font-size:12px;color:var(--ink-2);font-weight:500}.stat-value{font-size:20px;color:var(--accent)}.dashboard-card-ai{background:var(--bg)}.dashboard-ai-badge{align-self:flex-start;color:var(--accent-soft-ink);background:var(--accent-soft);border-radius:999px;padding:4px 10px;font-size:11px;font-weight:800;letter-spacing:.4px;text-transform:uppercase}.dashboard-card-ai p{color:var(--ink-2);margin:0;font-size:14px;line-height:1.6}.dashboard-ai-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}.attempts-table{width:100%;border-collapse:collapse;font-size:14px}.attempts-table th,.attempts-table td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--surface-2)}.attempts-table th{color:var(--ink-3);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}.attempts-table td.num,.attempts-table th.num{text-align:right}.attempts-table tr:last-child td{border-bottom:none}.email-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.email-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px;min-height:210px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit;transition:box-shadow .15s,border-color .15s}.email-card:hover{box-shadow:0 8px 18px #1d1b160d;border-color:#d76f4d3d}.email-card-header{display:flex;align-items:flex-start;gap:12px}.email-card-header h2{font-size:13px;line-height:1.35;margin:0 0 2px;color:var(--ink)}.email-card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.email-card-topic{font-size:11px;color:var(--accent-soft-ink);background:var(--accent-soft);padding:2px 10px;border-radius:999px}.email-card-context{font-size:12px;color:var(--ink-2);line-height:1.5;margin:0}.email-card-footer{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line-2);color:var(--ink-3);font-size:12px}.email-practice-page{max-width:860px}.email-practice-header{margin:16px 0 22px}.email-practice-header h1{margin:0 0 4px;font-size:24px;line-height:1.25}.email-context{margin-top:12px;padding:12px 14px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:6px;font-size:13px;color:var(--ink-2)}.email-tabs{display:inline-flex;gap:4px;margin-bottom:16px;padding:3px;background:var(--surface);border:1px solid var(--line);border-radius:999px}.email-tab{border:none;background:none;padding:7px 14px;border-radius:999px;font-size:12px;cursor:pointer;color:var(--ink-3);transition:all .15s}.email-tab:hover{color:var(--accent)}.email-tab.is-active{color:var(--surface);background:var(--accent);font-weight:600}.email-tab-content{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px}.email-tips{margin:0;padding-left:22px}.email-tips li{margin:8px 0;line-height:1.6;color:var(--ink)}.ordering-exercise{display:flex;flex-direction:column;gap:16px}.ordering-pool,.ordering-build{border:1px dashed var(--line);border-radius:10px;padding:14px}.ordering-pool h3,.ordering-build h3{margin:0 0 10px;font-size:13px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.5px}.ordering-pool-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}.ordering-pool-item{display:flex;gap:12px;align-items:flex-start;width:100%;text-align:left;padding:10px 14px;background:var(--surface-2);border:1px solid var(--line);border-radius:8px;cursor:pointer;transition:all .15s;font-size:14px;line-height:1.5;color:var(--ink);white-space:pre-line}.ordering-pool-item:hover:not(:disabled){background:var(--accent-soft);border-color:var(--accent)}.ordering-pool-id{font-weight:700;color:var(--accent-soft-ink);flex-shrink:0;background:var(--surface);padding:2px 8px;border-radius:4px;font-size:12px}.ordering-build-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}.ordering-build-item{display:flex;gap:12px;align-items:flex-start;padding:10px 14px;background:var(--surface);border:1px solid var(--accent);border-radius:8px;font-size:14px;line-height:1.5;white-space:pre-line}.ordering-build-item.is-correct{border-color:var(--ok);background:var(--ok-soft)}.ordering-build-item.is-wrong{border-color:var(--danger);background:var(--danger-soft)}.ordering-step{font-weight:700;color:var(--accent);flex-shrink:0;background:var(--accent-soft);padding:2px 8px;border-radius:999px;font-size:12px;min-width:24px;text-align:center}.ordering-build-text{flex:1}.ordering-remove{background:none;border:none;color:var(--ink-3);cursor:pointer;font-size:14px;padding:0 4px}.ordering-remove:hover{color:var(--danger)}.ordering-correct{margin:8px 0 0;padding-left:20px;font-size:14px;color:var(--ink)}.ordering-correct li{margin:4px 0;white-space:pre-line}.completion-exercise{display:flex;flex-direction:column;gap:16px}.email-template{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:16px;font-family:ui-monospace,Segoe UI Mono,monospace;font-size:14px;line-height:1.7;white-space:pre-wrap;color:var(--ink)}.completion-questions{list-style:none;padding:0;margin:0;display:grid;gap:12px}.completion-question{border:1px solid var(--line);border-radius:10px;padding:14px;background:var(--surface)}.completion-question-label{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-size:14px;color:var(--ink-2)}.completion-result-badge{font-weight:700;padding:2px 10px;border-radius:999px}.completion-result-badge.is-correct{background:var(--ok-soft);color:var(--ok)}.completion-result-badge.is-wrong{background:var(--danger-soft);color:var(--danger)}.completion-options{display:grid;gap:6px}.completion-option{display:flex;align-items:flex-start;gap:8px;padding:8px 12px;border:1px solid var(--line);border-radius:6px;cursor:pointer;font-size:14px;transition:all .15s}.completion-option:hover{background:var(--surface-2)}.completion-option.is-selected{background:var(--accent-soft);border-color:var(--accent)}.completion-option.is-correct{background:var(--ok-soft);color:var(--ok);border-color:var(--ok)}.completion-option.is-wrong{background:var(--danger-soft);color:var(--danger);border-color:var(--danger)}.completion-option input{margin-top:4px}.completion-explanation{margin-top:10px;padding:8px 12px;background:var(--warn-soft);border-left:3px solid var(--warn);border-radius:4px;font-size:13px;color:var(--ink)}@media (max-width: 900px){.minimal-module-page{width:min(100%,calc(100vw - 24px));padding:28px 28px 32px}.email-grid,.word-skill-grid,.vocab-topics-list-page .quiz-grid,.vocab-word-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.minimal-module-page{width:100%;padding:20px 16px 24px;border-left:0;border-right:0}.minimal-module-header h1,.email-practice-header h1{font-size:22px}.email-grid,.word-skill-grid,.vocab-topics-list-page .quiz-grid,.vocab-word-grid{grid-template-columns:1fr}.email-tabs{display:flex;overflow-x:auto;max-width:100%}.email-tab{white-space:nowrap}.question-card,.email-tab-content{padding:16px}}.footer{position:fixed;left:0;right:0;bottom:0;z-index:15;background:var(--surface);border-top:1px solid var(--line);padding:20px 0;text-align:center;color:var(--ink-3)}.footer-quicknav{display:none}@media (max-width: 640px){.footer{padding:0 0 env(safe-area-inset-bottom,0px);background:var(--surface-solid)}.footer-copy{display:none}.footer-quicknav{display:flex;height:var(--footer-bar-h);align-items:stretch;justify-content:space-around}.footer-quicknav-link{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:0 2px;text-decoration:none;color:var(--ink-3);font-size:11px;line-height:1.1}.footer-quicknav-link.active{color:var(--ink)}.footer-quicknav-link svg{flex-shrink:0}.chat-widget{display:none}.app--grammar .footer,.app-content:has(.grammar-page) .footer,.app-content:has(.flashcard-session) .footer{display:block}.app--grammar main.container,.app-content:has(.grammar-page) main.container,.app-content:has(.flashcard-session) main.container{height:calc(100vh - var(--navbar-height) - var(--footer-bar-h) - env(safe-area-inset-bottom,0px))}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.spinner{display:inline-flex;gap:4px;align-items:center}.spinner-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);opacity:.3;animation:spinner-bounce 1.2s infinite ease-in-out both}.spinner-dot:nth-child(1){animation-delay:-.32s}.spinner-dot:nth-child(2){animation-delay:-.16s}@keyframes spinner-bounce{0%,80%,to{transform:scale(.6);opacity:.3}40%{transform:scale(1);opacity:1}}.state-block{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:32px 20px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;margin:16px 0}.state-block.compact{padding:16px 12px;margin:8px 0}.state-block .state-icon{font-size:32px}.state-block.compact .state-icon{font-size:22px}.state-block .state-title{margin:0;font-size:16px;color:var(--ink-2)}.state-block .state-action{margin-top:4px}.state-block .error{margin:0}.state-loading{border-style:dashed}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#1d1b1673;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}.modal-content{background:var(--surface);border-radius:12px;width:100%;max-width:480px;box-shadow:0 10px 30px #00000026;display:flex;flex-direction:column;max-height:90vh}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}.modal-header h2{font-size:18px;margin:0}.modal-body{padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 20px;border-top:1px solid var(--line)}.form-field{display:flex;flex-direction:column;gap:6px;font-size:14px}.form-field>span{font-weight:500;color:var(--ink-2)}.form-field select{padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--surface);font-size:14px}.form-error{color:var(--danger);font-size:13px;margin:0}.pill-group{display:flex;flex-wrap:wrap;gap:6px}.pill{padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);cursor:pointer;font-size:13px}.pill:hover{background:var(--surface-2)}.pill.active{background:var(--accent);color:var(--surface);border-color:var(--accent)}.pill:disabled{opacity:.6;cursor:not-allowed}.quiz-card.ai-quiz{border:1px dashed var(--accent);position:relative}.ai-badge{position:absolute;top:8px;right:8px;background:var(--accent-soft);color:var(--accent-soft-ink);font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600}.quiz-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin:12px 0}.quiz-section-title{margin:24px 0 8px;font-size:16px;color:var(--ink-2)}.grammar-lesson-page{max-width:920px;margin:0 auto}.grammar-lesson-top{margin-bottom:16px}.grammar-lesson-header{background:linear-gradient(135deg,var(--accent-soft),var(--surface-2));border:1px solid var(--accent);border-radius:12px;padding:24px;margin-bottom:24px}.grammar-lesson-header h1{margin:8px 0 4px;color:var(--accent-strong)}.grammar-lesson-subtitle{margin:0 0 12px;color:var(--ink-2);font-size:14px;font-style:italic}.grammar-lesson-description{margin:0 0 6px;color:var(--ink);font-size:15px}.grammar-block{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:20px}.grammar-block h2{margin:0 0 14px;font-size:18px;color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:8px;display:inline-block}.grammar-block h3{margin:16px 0 10px;font-size:16px;color:var(--accent)}.grammar-block h4{margin:12px 0 6px;font-size:14px;color:var(--ink-2)}.usage-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.usage-card{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:14px}.usage-card h4{margin:0 0 4px;color:var(--ink)}.usage-card p{font-size:13px;margin:4px 0}.form-block{margin-bottom:20px;padding-bottom:16px;border-bottom:1px dashed var(--line)}.form-block:last-child{border-bottom:none}.sub-block{margin:12px 0;padding:12px 14px;background:var(--surface-2);border:1px solid var(--line);border-radius:8px}.sub-block h4{margin-top:0}.grammar-table{width:100%;border-collapse:collapse;margin:8px 0 14px;font-size:13px}.grammar-table th,.grammar-table td{border:1px solid var(--line);padding:8px 10px;text-align:left}.grammar-table th{background:var(--surface-2);color:var(--ink-2);font-weight:600}.grammar-table code{background:var(--accent-soft);color:var(--accent-strong);padding:1px 6px;border-radius:3px}.rule-text{background:var(--warn-soft);border-left:3px solid var(--warn);padding:8px 12px;margin:8px 0;font-size:13px;color:var(--warn)}.spelling-rule{margin-bottom:16px}.spelling-rule code{background:var(--surface-2);padding:1px 6px;border-radius:3px}.frequency-grid{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.frequency-item{display:flex;flex-direction:column;gap:4px}.frequency-bar{height:8px;background:var(--surface-2);border-radius:999px;overflow:hidden}.frequency-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-strong));border-radius:999px}.frequency-label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}.frequency-percent{margin-left:auto;color:var(--ink-3);font-size:12px}.chip-list{display:flex;flex-wrap:wrap;gap:6px}.chip{background:var(--accent-soft);color:var(--accent-soft-ink);padding:4px 10px;border-radius:999px;font-size:12px;border:1px solid var(--accent)}.mistake-list{display:grid;gap:12px}.mistake-card{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:12px 14px}.mistake-row{display:flex;gap:8px;align-items:center;padding:4px 0;font-size:14px}.mistake-row.wrong{color:var(--danger);text-decoration:line-through}.mistake-row.correct{color:var(--ok);font-weight:500}.mistake-mark{font-weight:700;width:18px;text-align:center}.mistake-explanation{margin:6px 0 0;padding-top:6px;border-top:1px dashed var(--line);font-size:12px;color:var(--ink-3);font-style:italic}.grammar-exercise{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:16px}.grammar-exercise h3{margin:0 0 4px;font-size:15px;color:var(--ink)}.exercise-type-badge{background:var(--accent-soft);color:var(--accent-soft-ink);font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600;margin-left:6px;text-transform:uppercase}.exercise-instruction{font-size:13px;color:var(--ink-2);margin:0 0 12px}.exercise-items{padding-left:20px}.exercise-item{margin-bottom:14px}.exercise-question{margin-bottom:6px;font-size:14px;color:var(--ink)}.exercise-input{max-width:360px;margin-bottom:0!important}.exercise-input.is-correct{border-color:var(--ok);background:var(--ok-soft)}.exercise-input.is-wrong{border-color:var(--danger);background:var(--danger-soft)}.exercise-options{display:flex;flex-direction:column;gap:4px}.exercise-option{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:6px;cursor:pointer;font-size:13px;border:1px solid transparent}.exercise-option:hover{background:var(--surface-2)}.exercise-option.is-correct{background:var(--ok-soft);color:var(--ok);border-color:var(--ok)}.exercise-option.is-wrong{background:var(--danger-soft);color:var(--danger);border-color:var(--danger)}.exercise-answer{margin-top:6px;font-size:13px;color:var(--ok);font-weight:500}.exercise-actions{margin-top:12px}.topic-card-actions{display:flex;gap:8px;margin-top:auto;padding-top:14px;flex-wrap:wrap}.topic-card-actions .practice-btn{flex:1;margin-top:0;min-width:140px}.practice-link{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-size:13px;font-weight:700;text-decoration:none;transition:filter .15s,transform .15s,box-shadow .15s}.practice-link:before{content:"📖";font-size:14px}.practice-link:hover{color:var(--accent-ink);filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 4px 12px var(--accent-soft)}@media (max-width: 900px){.grammar-page{width:min(100%,calc(100vw - 24px));padding:28px 28px 32px}.grammar-header{align-items:flex-start;flex-direction:column}.grammar-controls{width:100%;flex-wrap:wrap}.topics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.app--grammar main.container,.app-content:has(.grammar-page) main.container,.app-content:has(.grammar-lesson-page) main.container{height:auto;min-height:calc(100vh - 64px);overflow:visible;padding-bottom:24px}.grammar-page{width:100%;min-height:auto;padding:20px 16px 24px;border-left:0;border-right:0;overflow:visible}.grammar-section{overflow:visible}.grammar-checker-header{align-items:flex-start;flex-direction:column}.search-inline{width:100%;max-width:none}.topics-grid{grid-template-columns:1fr}.grammar-topic-content{overflow:visible;scrollbar-gutter:auto}.grammar-lesson-page{max-width:100%}.grammar-lesson-header,.grammar-block,.grammar-exercise{padding:16px;border-radius:8px}.grammar-block{overflow-x:visible}.grammar-table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}.grammar-table th,.grammar-table td{padding:7px 8px}.irregular-table-wrap .grammar-table{display:table;overflow:visible;white-space:normal;min-width:560px}}.small{font-size:12px}.irregular-table-wrap{max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:6px}.irregular-table-wrap .grammar-table{margin:0}.irregular-table-wrap thead th{position:sticky;top:0;z-index:1}.exercise-input-num{max-width:140px}.multi-answer-grid{display:flex;flex-direction:column;gap:8px;margin-top:8px;padding-left:8px;border-left:3px solid var(--accent)}.multi-answer-row{display:flex;flex-direction:column;gap:2px}.multi-answer-label{font-size:11px;color:var(--accent-soft-ink);font-weight:600;text-transform:uppercase;letter-spacing:.3px}.multi-answer-row .exercise-input{max-width:460px}.vocabulary-lookup-page{max-width:860px}.vocabulary-lookup-page .word-lookup{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px}.custom-vocab-panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px;margin:18px 0 22px}.custom-vocab-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:14px}.custom-vocab-head h2{margin:0 0 4px;font-size:18px}.custom-vocab-head p{margin:0}.custom-vocab-form{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(140px,.6fr);gap:14px}.custom-vocab-wide,.custom-vocab-actions{grid-column:1 / -1}.custom-vocab-actions{display:flex;justify-content:flex-end}.custom-vocab-login{display:flex;align-items:center;justify-content:space-between;gap:12px}.custom-vocab-login p{margin:0}.form-success{color:var(--ok);font-size:13px;margin:0}.custom-vocab-modal{max-width:620px;max-height:min(90vh,calc(100dvh - 32px))}.custom-vocab-modal form{display:flex;flex:1;min-height:0;flex-direction:column}.custom-vocab-modal .modal-body{min-height:0}.custom-vocab-modal .modal-header{flex:0 0 auto;align-items:flex-start}.custom-vocab-modal .modal-header p{margin:4px 0 0}.custom-vocab-modal .modal-footer{flex:0 0 auto}.custom-vocab-form .input{margin-bottom:0}.custom-vocab-import{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border:1px dashed var(--line);border-radius:8px;background:var(--surface-2)}.custom-vocab-import strong{display:block;margin-bottom:4px;color:var(--ink);font-size:14px}.custom-vocab-import p{margin:0}.custom-vocab-file-btn{flex:0 0 auto;cursor:pointer}.custom-vocab-template-btn{border-color:var(--accent);background:var(--surface);color:var(--accent)}.custom-vocab-template-btn:hover:not(:disabled){background:var(--accent-soft)}.custom-vocab-file-btn{border-color:var(--accent);background:var(--accent);color:var(--surface)}.custom-vocab-file-btn:hover:not(:disabled){background:var(--accent-hover)}.custom-vocab-file-btn input{display:none}.custom-vocab-import-actions{display:flex;flex:0 0 auto;gap:8px;align-items:center}.custom-vocab-toast{position:fixed;right:20px;bottom:20px;z-index:70;max-width:min(360px,calc(100vw - 40px));padding:12px 14px;border:1px solid var(--danger);border-radius:8px;background:var(--danger-soft);color:var(--danger);box-shadow:0 10px 24px #1d1b1624;font-size:14px;font-weight:600}@media (max-width: 640px){.modal-backdrop{align-items:flex-start;padding:10px}.custom-vocab-modal{max-height:calc(100dvh - 20px);border-radius:10px}.custom-vocab-modal .modal-header,.custom-vocab-modal .modal-body,.custom-vocab-modal .modal-footer{padding-left:14px;padding-right:14px}.custom-vocab-modal .modal-header{gap:10px}.custom-vocab-modal .modal-footer .btn{width:100%}.custom-vocab-head,.custom-vocab-login{flex-direction:column;align-items:stretch}.custom-vocab-form{grid-template-columns:1fr}.custom-vocab-actions{justify-content:stretch}.custom-vocab-actions .btn{width:100%}.custom-vocab-import{align-items:stretch;flex-direction:column}.custom-vocab-file-btn{justify-content:center;width:100%}.custom-vocab-import-actions{flex-direction:column;align-items:stretch;width:100%}.custom-vocab-toast{right:14px;bottom:14px;max-width:calc(100vw - 28px)}}.minimal-module-toolbar{margin-bottom:28px}.minimal-module-toolbar h1{margin:0 0 6px;font-size:24px;line-height:1.2}.admin-page{width:min(1080px,calc(100vw - 40px))}.admin-stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:18px}.admin-stat-card{display:flex;flex-direction:column;gap:8px;min-height:132px;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.admin-stat-card span{color:var(--ink-3);font-size:13px;font-weight:600}.admin-stat-card strong{color:var(--ink);font-size:30px;line-height:1}.admin-stat-card small{margin-top:auto;color:var(--ink-3);font-size:12px;line-height:1.4}.admin-panel{padding:18px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.admin-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.admin-panel-head h2{margin:0;font-size:18px}.admin-panel-head span{color:var(--ink-3);font-size:13px}.admin-table-wrap{overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;min-width:720px}.admin-table th,.admin-table td{padding:11px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}.admin-table th{color:var(--ink-3);font-weight:700}.admin-table td{color:var(--ink)}.admin-table tbody tr:last-child td{border-bottom:0}@media (max-width: 640px){.admin-panel{padding:14px}.admin-panel-head{align-items:flex-start;flex-direction:column}}.vocab-topics-list-page .quiz-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.vocab-topic-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px;min-height:152px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit;transition:box-shadow .15s,border-color .15s}.vocab-topic-card:hover{box-shadow:0 8px 18px #1d1b160d;border-color:#d76f4d3d}.vocab-topic-card .quiz-card-header h3{margin:0;font-size:13px;line-height:1.35;color:var(--ink)}.vocab-topic-card .vocab-topic-desc{font-size:12px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.vocab-topic-card .quiz-card-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2);font-size:12px}.vocab-topic-section{margin-top:28px}.vocab-topic-section-head h2{margin:0 0 2px;font-size:16px}.vocab-topic-section-head p{margin:0;font-size:12px}.vocab-topic-section .quiz-grid{margin-top:12px}.vocab-topic-progress{display:flex;flex-direction:column;gap:4px;font-size:12px}.vocab-topic-progress p{margin:0;font-size:12px}.vocab-topic-progress-track{display:flex;height:6px;border-radius:999px;background:var(--line-2);overflow:hidden}.vocab-topic-progress-mastered{background:#3e9c5c}.vocab-topic-progress-learning{background:#e0a93f}.vocab-unit-section{margin:0 0 28px}.vocab-unit-head p{margin:4px 0 0;font-size:12px}.vocab-unit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:10px;margin-top:12px;max-height:332px;overflow-y:auto;padding-right:4px}.vocab-unit-chip{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);text-decoration:none;color:inherit;font-size:12px;transition:border-color .15s,box-shadow .15s}.vocab-unit-chip:hover{border-color:#d76f4d66;box-shadow:0 4px 10px #1d1b160f}.vocab-unit-chip strong{font-size:13px}.vocab-unit-range{color:var(--muted, #777)}.vocab-unit-status{font-weight:600}.vocab-unit-chip.is-done{border-color:#3e9c5c73;background:#3e9c5c12}.vocab-unit-chip.is-done .vocab-unit-status{color:#3e9c5c}.vocab-unit-chip.is-attempted{border-color:#e0a93f80}.vocab-unit-chip.is-attempted .vocab-unit-status{color:#b07f1d}@media (max-width: 900px){.vocab-topics-list-page .quiz-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.vocab-topics-list-page .quiz-grid{grid-template-columns:1fr}}.vocab-topic-page{max-width:1080px}.vocab-topic-header{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px 24px;margin:12px 0 28px}.vocab-topic-header h1{margin:6px 0 8px;color:var(--ink);font-size:24px;line-height:1.25}.vocab-topic-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;font-size:12px;color:var(--ink-2)}.vocab-topic-meta .topic-level{background:var(--accent-soft);color:var(--accent-strong)}.vocab-topic-actions{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}.vocab-filters{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin-bottom:12px}.vocab-filter-label{display:block;font-size:12px;color:var(--ink-3);font-weight:600;margin-bottom:6px;text-transform:uppercase;letter-spacing:0}.vocab-search-input{padding:9px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;width:100%;max-width:360px;background:var(--surface)}.vocab-search-input:focus{outline:none;border-color:var(--accent)}.vocab-result-count{margin:8px 2px 14px;font-size:13px}.vocab-pager{display:flex;align-items:center;justify-content:center;gap:8px;margin:18px 0 8px;flex-wrap:wrap}.vocab-pager-pages{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.vocab-pager-page{min-width:32px;height:32px;padding:0 8px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);border-radius:8px;cursor:pointer;font-size:13px}.vocab-pager-page:hover:not(:disabled){background:var(--surface-2)}.vocab-pager-page:disabled{opacity:.5;cursor:not-allowed}.vocab-pager-page.active{background:var(--accent);color:var(--surface);border-color:var(--accent)}.vocab-pager-gap{padding:0 4px;color:var(--ink-3);font-size:13px}.vocab-word-grid{display:grid;grid-template-columns:1fr;gap:12px}.vocab-word-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:8px;min-height:0;transition:border-color .2s,box-shadow .2s}.vocab-word-card:hover{border-color:#d76f4d3d;box-shadow:0 8px 18px #1d1b160d}.vocab-word-header{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin:0}.vocab-word-header h3{margin:0;font-size:16px;color:var(--ink)}.vocab-speak-btn{width:26px;height:26px;min-width:26px;padding:0;background:none;border:none;cursor:pointer;color:var(--ink-3);line-height:1;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;align-self:center;margin-right:auto;border-radius:6px;transition:color .15s ease,background .15s ease}.vocab-speak-btn:hover{color:var(--ink);background:var(--accent-soft)}.vocab-pos{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent-soft-ink);font-weight:600;text-transform:uppercase;letter-spacing:.3px}.vocab-vi,.vocab-syn{margin:0;font-size:13px;color:var(--ink-2)}.vocab-syn{color:var(--ink-2);font-style:italic}.vocab-example{margin:4px 0 0;padding:8px 12px;border-left:3px solid var(--accent);background:var(--surface-2);border-radius:4px}.vocab-example p{margin:2px 0;font-size:13px}.vocab-word-actions{display:flex;gap:8px;margin-top:auto;padding-top:4px}.vocab-word-action{flex:1}.vocab-delete-btn{background:none;border:none;color:var(--danger);cursor:pointer;padding:4px 8px;border-radius:4px;font-size:13px;transition:background .2s}.vocab-delete-btn:hover:not(:disabled){background:var(--danger-soft)}.vocab-delete-btn:disabled{opacity:.6;cursor:not-allowed}.vocab-exercise-card{max-width:100%}.vocab-runner-page{max-width:760px}.vocab-ex-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.vocab-ex-kind{background:var(--accent-soft);color:var(--accent-soft-ink);font-size:11px;padding:3px 10px;border-radius:999px;font-weight:600;text-transform:uppercase;letter-spacing:.3px}.vocab-ex-kind.small{font-size:10px;padding:2px 6px;margin-right:4px}.vocab-text-form{display:flex;flex-direction:column;gap:12px;margin-top:12px}.vocab-text-input{padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-size:16px;width:100%;max-width:460px}.vocab-text-input:focus{outline:2px solid var(--accent);outline-offset:1px}.vocab-text-input:disabled{background:var(--surface-2);color:var(--ink-3)}.vocab-hint{margin:0;font-size:13px}.vocab-tf-options{grid-template-columns:1fr 1fr;max-width:460px}@media (max-width: 600px){.vocab-topic-header{padding:16px}.vocab-word-grid{gap:10px}.vocab-word-card{display:flex;flex-direction:column;gap:6px 12px;min-height:0;padding:12px}.vocab-word-header{align-items:flex-start;flex-direction:column;justify-content:flex-start;gap:4px}.vocab-word-header h3{font-size:14px;overflow-wrap:anywhere}.vocab-speak-btn{align-self:flex-start;margin-right:0}.vocab-word-card .vocab-vi{margin:0;font-size:13px;line-height:1.45}.vocab-word-card .vocab-syn{margin:0;font-size:12px;line-height:1.45}.vocab-word-card .vocab-example{margin-top:4px;padding:8px 10px}.vocab-word-action{margin-top:0;padding-top:0;justify-self:flex-start}.vocab-tf-options{grid-template-columns:1fr}}.exam-list-page{width:min(100%,1120px);margin:0 auto}.exam-list-header{width:100%;max-width:none;display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px}.exam-list-header>div{min-width:0}.exam-list-header h1{margin-bottom:6px}.exam-create-btn{flex:0 0 auto;margin-left:auto;padding:7px 12px;border-radius:6px;font-size:12px;line-height:1.2}.exam-filter-panel{display:grid;gap:16px;margin-bottom:18px}.exam-filter-controls{display:grid;gap:10px}.exam-filter-row{display:grid;grid-template-columns:118px minmax(0,1fr);align-items:center;gap:12px}.exam-filter-label{color:var(--ink-3);font-size:10px;font-weight:800;letter-spacing:.08em;line-height:1.2;text-transform:uppercase}.exam-filter-scroll,.exam-sort-pills{display:flex;gap:8px;min-width:0}.exam-filter-scroll{overflow-x:auto;overflow-y:hidden;padding:1px 0 6px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}.exam-filter-scroll::-webkit-scrollbar{height:6px}.exam-filter-scroll::-webkit-scrollbar-track{background:transparent}.exam-filter-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}.exam-sort-pills{flex-wrap:wrap}.exam-filter-pill{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;min-height:30px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);cursor:pointer;font:inherit;font-size:12px;font-weight:700;line-height:1;white-space:nowrap;transition:background .15s,color .15s,border-color .15s,transform .15s}.exam-filter-pill:hover{background:var(--surface-2);transform:translateY(-1px)}.exam-filter-pill.is-active{background:var(--accent);color:var(--surface);border-color:var(--accent)}.exam-filter-pill span{color:inherit;font-size:10px;opacity:.72}.exam-results-block{position:relative;display:grid;gap:14px}.exam-results-divider{border-top:1px dashed var(--line)}.exam-clear-filters{justify-self:end;margin-top:2px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);cursor:pointer;font:inherit;font-size:12px;font-weight:700}.exam-clear-filters:hover{background:var(--surface-2)}.exam-no-filter-results{display:grid;place-items:center;gap:16px;min-height:180px;border:1px dashed var(--ink-3);border-radius:8px;color:var(--ink-3);font-size:15px}.exam-grid{display:grid;gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}.exam-province-groups{display:grid;gap:24px}.exam-province-section{display:grid;gap:10px}.exam-province-header{display:flex;justify-content:space-between;align-items:flex-end;gap:14px}.exam-province-header h2{margin:0;color:var(--ink);font-size:18px;line-height:1.2}.exam-province-header span{color:var(--ink-3);font-size:12px;font-weight:700;white-space:nowrap}.exam-card{background:var(--surface);border:1px solid var(--accent);border-radius:8px;min-height:128px;display:block;text-decoration:none;color:inherit;overflow:hidden;transition:none}.exam-card:hover{border-color:var(--accent)}.exam-card-inner{min-height:128px;display:flex;flex-direction:column;padding:12px 14px 11px}.exam-card h3{margin:8px 0 6px;font-size:13px;line-height:1.3;font-weight:700;color:var(--ink)}.exam-card-topline{display:flex;align-items:center;justify-content:space-between;gap:6px;min-height:16px}.exam-card-year{color:var(--ink-3);font-size:10px;font-weight:700;letter-spacing:.02em;line-height:1}.exam-card-province{max-width:70%;padding:2px 6px;border:1px solid rgba(215,111,77,.2);border-radius:999px;background:#d76f4d14;color:var(--accent);font-size:9px;font-weight:700;line-height:1.1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.exam-card-source{margin:0 0 8px;color:var(--ink-3);font-size:11px;line-height:1.4}.exam-card-meta{display:flex;gap:0;flex-wrap:wrap;color:var(--ink-3);font-size:10.5px;line-height:1.4}.exam-card-meta span{display:inline-flex;align-items:center}.exam-card-meta span+span:before{content:"·";margin:0 5px;color:var(--ink-3)}.exam-card-cta{margin-top:auto;align-self:flex-start;padding:0;border:0;background:transparent;color:var(--accent);font-size:11px;font-weight:700;line-height:1.2}.latest-attempt{display:flex;flex-direction:column;gap:3px;margin:14px 0 10px;padding-top:10px;border-top:1px solid var(--line-2)}.latest-attempt-label{font-size:10px;color:var(--ink-3);font-weight:700;text-transform:uppercase;letter-spacing:.02em}.latest-attempt-body{display:flex;flex-wrap:wrap;align-items:baseline;color:var(--ink-3);font-size:11px;line-height:1.4}.latest-attempt-score{color:var(--accent-strong);font-size:12px}.latest-attempt-percent{color:var(--accent-strong);font-weight:700}.latest-attempt-time{color:var(--ink-2)}.latest-attempt-body span+span:before,.latest-attempt-score+span:before{content:"·";margin:0 7px;color:var(--ink-3);font-weight:400}.latest-attempt-when{color:var(--ink-3)}.latest-attempt-inline{flex-direction:row;align-items:center;gap:10px;margin-top:6px;padding:4px 10px;background:transparent;border:1px dashed var(--accent)}.latest-attempt-inline .latest-attempt-label{margin-right:4px}.exam-runner{--exam-sticky-gap: 12px;--exam-runner-header-height: 0px;--exam-runner-header-top: calc(var(--navbar-height, 64px) + var(--exam-sticky-gap));--exam-content-sticky-top: calc(var(--exam-runner-header-top) + var(--exam-runner-header-height) + 16px);max-width:1200px;width:min(1200px,calc(100vw - 40px))}.app--exam-runner .exam-runner{display:flex;flex-direction:column;min-height:0;height:100%;overflow:hidden;padding:16px 20px 20px}.exam-runner-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:16px 20px;background:var(--surface);border:1px solid var(--line);border-radius:8px;margin-bottom:16px;position:sticky;top:var(--exam-runner-header-top);z-index:18;box-shadow:0 8px 20px #1d1b1614}.app--exam-runner .exam-runner-header{position:static;flex-shrink:0}.exam-runner-info{flex:1;min-width:0}.exam-runner-info h1{margin:4px 0 2px;font-size:18px;overflow-wrap:anywhere}.exam-runner-info .muted{font-size:13px}.exam-runner-aside{display:flex;align-items:center;gap:12px;flex-wrap:wrap;flex-shrink:0}.exam-progress-text{font-size:13px;color:var(--ink-2)}.exam-timer{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--accent-strong);font-weight:700;padding:8px 14px;border-radius:8px;font-variant-numeric:tabular-nums;border:1px solid var(--accent)}.exam-timer.warning{background:var(--warn-soft);color:var(--warn);border-color:var(--warn)}.exam-timer.danger{background:var(--danger-soft);color:var(--danger);border-color:var(--danger)}.exam-timer-value{font-size:16px}.exam-runner-body{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:16px;align-items:start}@media (min-width: 1200px){.exam-runner-body{grid-template-columns:minmax(0,1fr) 240px;gap:20px}}.exam-runner-main{display:flex;flex-direction:column;gap:24px}.app--exam-runner .exam-runner-body{min-height:0;flex:1;overflow:hidden;align-items:stretch}.app--exam-runner .exam-runner-main{min-height:0;height:100%;max-height:100%;overflow-y:auto;padding-right:4px;scrollbar-gutter:stable}.exam-runner-submit{display:flex;justify-content:center;padding:20px 0 32px}.exam-section{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px}.exam-section-header{margin-bottom:18px}.exam-section-order{display:inline-block;background:var(--accent-soft);color:var(--accent-soft-ink);padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.3px}.exam-section-header h2{font-size:18px;margin:6px 0}.exam-section-instruction{font-size:13px;line-height:1.5}.exam-section-body{display:block}.exam-section-body.two-col{display:grid;gap:20px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}.exam-section-questions{display:flex;flex-direction:column;gap:18px}.exam-section-body.two-col .exam-section-questions{max-height:calc(100vh - var(--exam-content-sticky-top) - 20px);overflow-y:auto;padding-right:6px;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:rgba(29,27,22,.28) transparent}.app--exam-runner .exam-section-body.two-col .exam-section-questions{max-height:none;overflow-y:visible;padding-right:0}.exam-section-body.two-col .exam-section-questions::-webkit-scrollbar{width:6px}.exam-section-body.two-col .exam-section-questions::-webkit-scrollbar-track{background:transparent}.exam-section-body.two-col .exam-section-questions::-webkit-scrollbar-thumb{background:#1d1b163d;border-radius:999px}.exam-section-body.two-col .exam-section-questions::-webkit-scrollbar-thumb:hover{background:#1d1b165c}.exam-passage{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:16px 18px;position:sticky;top:var(--exam-content-sticky-top)}.app--exam-runner .exam-passage{top:0}.exam-passage-title{margin:0 0 4px;font-size:16px;color:var(--accent-strong)}.exam-passage-subtitle{font-size:13px;margin-bottom:10px}.exam-passage-text p{margin:0 0 10px;font-size:14px;line-height:1.7;color:var(--ink)}.exam-passage-highlight{font-weight:800;color:var(--accent-strong)}.exam-question{border:1px solid transparent;border-radius:8px;padding:12px 4px;scroll-margin-top:calc(var(--exam-content-sticky-top) + 12px)}.app--exam-runner .exam-question{scroll-margin-top:12px}.exam-question:target{border-color:var(--accent);background:var(--accent-soft);padding:12px}.exam-question-head{display:flex;gap:8px;margin-bottom:10px;line-height:1.6}.exam-question-num{font-weight:700;color:var(--accent-strong);min-width:56px}.exam-question-text{font-size:14.5px;color:var(--ink)}.exam-question-passage{background:var(--surface-2);border-left:3px solid var(--accent);padding:10px 14px;border-radius:4px;font-family:inherit;white-space:pre-wrap;font-size:13.5px;line-height:1.7;margin:0 0 12px;color:var(--ink-2)}.exam-question-options{display:flex;flex-direction:column;gap:8px}.exam-option{display:flex;gap:10px;align-items:flex-start;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 14px;cursor:pointer;font-size:14px;transition:all .15s}.exam-option:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}.exam-option.selected{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-strong)}.exam-option.correct{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}.exam-option.incorrect{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.exam-option:disabled{cursor:default}.exam-option-key{font-weight:700;min-width:22px}.exam-option-text{flex:1}.exam-navigator{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px;position:sticky;top:var(--exam-content-sticky-top);max-height:calc(100vh - var(--exam-content-sticky-top) - 20px);overflow-y:auto;align-self:start}.app--exam-runner .exam-navigator{position:static;max-height:100%;overflow-y:auto;align-self:stretch}.exam-navigator-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.exam-navigator-head h3{margin:0;font-size:14px}.exam-navigator-close{display:none;background:transparent;border:none;cursor:pointer;font-size:18px;color:var(--ink-3);padding:4px 6px;line-height:1}.exam-navigator-close:hover{color:var(--ink)}.exam-navigator-backdrop,.exam-navigator-fab{display:none}.exam-navigator-section{margin-bottom:14px}.exam-navigator-title{font-size:11px;color:var(--ink-3);font-weight:700;text-transform:uppercase;margin-bottom:6px;letter-spacing:.3px}.exam-navigator-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px}.exam-nav-cell{display:flex;align-items:center;justify-content:center;width:100%;aspect-ratio:1 / 1;border:1px solid var(--line);border-radius:6px;background:var(--surface);font-size:12px;color:var(--ink-2);text-decoration:none;transition:all .15s}.exam-nav-cell:hover{border-color:var(--accent)}.exam-nav-cell.answered{background:var(--accent-soft);color:var(--accent-strong);border-color:var(--accent)}.exam-nav-cell.correct{background:var(--ok-soft);color:var(--ok);border-color:var(--ok)}.exam-nav-cell.incorrect{background:var(--danger-soft);color:var(--danger);border-color:var(--danger)}.exam-nav-cell.missed{background:var(--surface-2);color:var(--ink-3)}.exam-confirm-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#1d1b1680;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.exam-confirm{background:var(--surface);border-radius:12px;padding:24px;max-width:420px;width:100%;box-shadow:0 20px 40px #0003}.exam-confirm h3{margin:0 0 8px}.exam-confirm-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.exam-result{max-width:1060px;width:min(1060px,calc(100vw - 40px));min-width:0}.app--exam-runner .exam-result{min-height:0;height:100%;max-height:100%;margin-left:auto;margin-right:auto;overflow-y:auto;overflow-x:hidden;padding-right:4px;scrollbar-gutter:stable}.exam-result-shell{overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:0 18px 40px #1d1b1614}.exam-result-card{color:var(--ink);border-bottom:1px solid var(--line);padding:28px 32px 24px;display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.exam-result-card h1{margin:0;font-size:clamp(24px,4vw,28px);line-height:1.15}.exam-result-title{margin:8px 0 0;color:var(--ink-3);font-size:15px;line-height:1.45;overflow-wrap:anywhere}.exam-result-score{min-width:116px;text-align:right}.exam-result-big{font-size:clamp(34px,7vw,42px);font-weight:800;line-height:1;color:var(--accent)}.exam-result-big span{font-size:22px;color:var(--ink-3)}.exam-result-percent{margin-top:4px;color:#138a3d;font-size:18px;font-weight:800}.exam-result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:18px 16px 20px;border-bottom:1px solid var(--line)}.exam-result-stats .stat{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px;text-align:center}.exam-result-stats .stat span{display:block;margin-bottom:4px;color:var(--ink-3);font-size:12px}.exam-result-stats .stat strong{font-size:24px;line-height:1}.exam-result-stats .stat.ok strong{color:var(--ok)}.exam-result-stats .stat.err strong{color:#d12d26}.exam-result-content{display:grid;grid-template-columns:minmax(0,1fr) 244px;gap:28px;padding:24px 22px 28px}.exam-review-main{min-width:0}.exam-review-main .section-title{display:flex;align-items:center;gap:10px;margin:0 0 18px;font-size:clamp(19px,3.2vw,22px);line-height:1.3;flex-wrap:wrap}.exam-review-list{display:flex;flex-direction:column;gap:20px}.exam-review-section h3{margin:0 0 12px;color:var(--ink);font-size:16px;line-height:1.35;overflow-wrap:anywhere}.exam-review-item{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(260px,.95fr);gap:22px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px 20px;margin-bottom:12px}.exam-review-question-panel{min-width:0}.exam-review-q{margin:0 0 8px;color:var(--ink);font-size:15px;line-height:1.6;overflow-wrap:anywhere}.exam-review-answer{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:0 0 14px;color:var(--ink-2);font-size:13px}.answer-pill{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;border-radius:999px;border:1px solid var(--line);font-size:13px;line-height:1}.answer-pill.correct{color:var(--ok);border-color:#2f7d5773;background:var(--ok-soft)}.answer-pill.incorrect,.answer-pill.missed{color:#d12d26;border-color:#b94b3873;background:var(--danger-soft)}.answer-key{color:var(--ok)}.exam-review-passage{margin:0 0 12px;padding:10px 12px;white-space:pre-wrap;border:1px solid var(--line);border-radius:6px;background:var(--surface-2);color:var(--ink-2);font:inherit;font-size:13px;line-height:1.6}.exam-review-options{display:grid;gap:8px}.exam-review-option{display:grid;grid-template-columns:28px minmax(0,1fr) 18px;align-items:center;gap:8px;min-height:34px;padding:8px 12px;border:1px solid transparent;border-radius:6px;color:var(--ink-2);font-size:14px;line-height:1.45;overflow-wrap:anywhere}.exam-review-option strong{color:var(--ink)}.exam-review-option b{text-align:right;font-size:16px;line-height:1}.exam-review-option.is-correct{background:var(--ok-soft);border-color:#2f7d5773;color:var(--ok)}.exam-review-option.is-correct strong,.exam-review-option.is-correct b{color:var(--ok)}.exam-review-option.is-selected-wrong{background:var(--danger-soft);border-color:#b94b3873;color:#b94b38}.exam-review-option.is-selected-wrong strong,.exam-review-option.is-selected-wrong b{color:#d12d26}.exam-review-explanation{min-width:0;padding-left:22px;border-left:1px solid var(--line)}.exam-review-explanation h4{display:flex;align-items:center;gap:8px;margin:0 0 10px;color:var(--ink);font-size:15px;line-height:1.3}.exam-review-explanation pre{margin:0;white-space:pre-wrap;color:var(--ink-2);font:inherit;font-size:14px;line-height:1.75;overflow-wrap:anywhere}.exam-review-item.missed .exam-review-explanation{border-left-color:#b94b388c}.exam-review-item.missed .exam-review-explanation h4,.exam-review-item.missed .exam-review-explanation pre{color:#d12d26}.exam-result-sidebar{position:sticky;top:86px;align-self:start;display:grid;gap:0;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.exam-result-side-card{padding:18px 18px 16px}.exam-result-side-card+.exam-result-side-card{border-top:1px solid var(--line)}.exam-result-side-card h3{margin:0 0 16px;font-size:14px}.exam-section-summary-list{display:grid;gap:14px}.exam-section-summary-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px;color:var(--ink-2);font-size:12px}.exam-section-summary-head strong{color:var(--ink)}.exam-section-progress{height:5px;overflow:hidden;border-radius:999px;background:#1d1b161f}.exam-section-progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--ok),var(--accent))}.exam-result-summary-fab,.exam-result-summary-backdrop{display:none}.exam-result-summary-sheet-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.exam-result-summary-sheet-head h3{margin:0;font-size:15px}.exam-result-summary-sheet-head button{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);cursor:pointer;font:inherit;font-size:20px;line-height:1}.exam-next-actions{display:grid}.exam-next-action{display:grid;grid-template-columns:20px minmax(0,1fr) auto;align-items:center;gap:8px;width:100%;min-height:38px;padding:8px 0;border:0;border-bottom:1px solid var(--line-2);background:transparent;color:var(--ink-2);text-align:left;text-decoration:none;cursor:pointer;font:inherit;font-size:13px}.exam-next-action:last-child{border-bottom:0}.exam-next-action:hover{color:var(--accent)}.exam-next-action strong{font-size:13px;font-weight:500}.exam-next-action em{color:var(--ink-3);font-style:normal;font-size:12px}.exam-result-actions{display:flex;gap:8px;flex-wrap:wrap;padding:0 22px 26px}.exam-builder{max-width:980px}.exam-builder .card{border-radius:8px}.exam-builder label>span{display:block;margin-bottom:6px;color:var(--ink-2);font-size:12px;font-weight:600}.exam-builder-table{border-collapse:collapse;font-size:13px}.exam-builder-table th,.exam-builder-table td{border-bottom:1px solid var(--line-2);padding:10px 8px}.exam-builder-table th{color:var(--ink-3);font-size:11px;text-transform:uppercase;letter-spacing:0}.exam-builder-table input,.exam-builder-table select{border:1px solid var(--line);border-radius:6px;padding:7px 8px;background:var(--surface);color:var(--ink)}@media (min-width: 901px) and (max-height: 780px){.app--exam-runner .exam-runner{padding:10px 16px 14px}.app--exam-runner .exam-runner-header{padding:10px 16px;margin-bottom:10px}.exam-runner-info h1{font-size:15px;margin:2px 0}.exam-runner-info .muted{font-size:12px}.exam-timer{padding:6px 10px}.exam-timer-value{font-size:14px}}@media (min-width: 901px) and (max-height: 660px){.app--exam-runner .exam-runner{padding:8px 14px 12px}.app--exam-runner .exam-runner-header{padding:8px 14px;margin-bottom:8px}.exam-runner-info h1{font-size:14px;margin:1px 0}.exam-runner-info .muted,.exam-runner-info .latest-attempt-inline{display:none}.exam-timer{padding:5px 9px}.exam-timer-value{font-size:13px}.exam-progress-text{font-size:12px}}@media (max-width: 900px){.app--exam-runner{height:auto;min-height:100dvh;overflow:visible}.app--exam-runner .app-body,.app--exam-runner .app-content{min-height:0;overflow:visible}.app--exam-runner .navbar{display:none}.app--exam-runner main.container{height:auto;min-height:100dvh;overflow:visible;padding:12px 0 84px;display:block}.exam-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app--exam-runner .exam-runner{height:auto;min-height:0;overflow:visible;padding:12px 14px 20px}.app--exam-runner .exam-result{height:auto;min-height:0;max-height:none;overflow:visible;padding-right:0}.exam-runner-body{grid-template-columns:1fr}.app--exam-runner .exam-runner-body,.app--exam-runner .exam-runner-main{height:auto;max-height:none;overflow:visible}.exam-section-body.two-col{grid-template-columns:1fr}.exam-section-body.two-col .exam-section-questions{max-height:none;overflow-y:visible;padding-right:0}.exam-passage{position:static}.exam-navigator,.app--exam-runner .exam-navigator{position:fixed;left:0;right:0;bottom:0;top:auto;max-height:none;margin:0;padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px));z-index:60;background:var(--surface);border:none;border-top:1px solid var(--line);border-radius:0;box-shadow:0 -6px 20px #1d1b161f;transform:none;transition:none;pointer-events:auto;align-self:auto;display:flex;flex-direction:row;align-items:center;gap:10px;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}.exam-navigator-head,.exam-navigator-backdrop,.exam-navigator-fab,.exam-navigator-close,.exam-navigator-title{display:none}.exam-navigator-section{display:flex;align-items:center;gap:6px;margin:0;flex:0 0 auto}.exam-navigator-section+.exam-navigator-section{padding-left:10px;border-left:1px solid var(--line)}.exam-navigator-grid{display:flex;flex-direction:row;gap:6px;grid-template-columns:none;overflow:visible}.exam-nav-cell{width:38px;height:38px;aspect-ratio:auto;flex:0 0 auto;font-size:13px}.exam-result{width:min(100%,calc(100vw - 28px))}.exam-result-card{align-items:stretch;flex-direction:column;text-align:left}.exam-result-score{align-self:flex-start;text-align:left}.exam-result-content{grid-template-columns:1fr}.exam-result-sidebar{position:static;top:auto}.exam-review-item{grid-template-columns:1fr;gap:16px}.exam-review-explanation{padding-left:0;padding-top:16px;border-left:0;border-top:1px solid var(--line)}}.navbar-right{display:flex;align-items:center;gap:8px}.nav-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;font-size:20px;line-height:1;color:var(--ink-2);text-decoration:none;transition:background .15s ease,color .15s ease}.nav-icon-btn:hover,.nav-icon-btn.active{background:var(--accent-soft);color:var(--accent)}.navbar-divider{width:1px;height:22px;background:var(--line);margin:0 4px;flex-shrink:0}.auth-login-btn{display:inline-flex;align-items:center;padding:8px 16px;background:var(--accent);color:var(--surface);border-radius:8px;font-size:14px;font-weight:500;text-decoration:none;transition:background .15s ease}.auth-login-btn:hover{background:var(--accent-hover)}.auth-menu{position:relative}.auth-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-hover));color:var(--surface);font-weight:600;font-size:13px;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;padding:0;transition:transform .15s ease}.auth-avatar:hover{transform:scale(1.05)}.auth-avatar img{width:100%;height:100%;object-fit:cover}.auth-dropdown-avatar{width:48px;height:48px;border-radius:50%;margin-bottom:8px;object-fit:cover}.auth-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:220px;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px #0000002e;overflow:hidden;z-index:50;-webkit-backdrop-filter:none;backdrop-filter:none}:root[data-theme=dark] .auth-dropdown{background:#211b16}:root[data-theme=light] .auth-dropdown{background:#fff}.auth-dropdown-header{padding:12px 16px;border-bottom:1px solid var(--surface-2)}.auth-dropdown-name{font-weight:600;color:var(--ink)}.auth-dropdown-email{font-size:12px;color:var(--ink-3);margin-top:2px}.auth-dropdown-item{display:block;width:100%;padding:10px 16px;background:none;border:none;text-align:left;font-size:14px;color:var(--ink);cursor:pointer}.auth-dropdown-item:hover{background:var(--surface-2)}.auth-theme-item{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line)}.auth-theme-icon{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:999px;background:var(--accent-soft);color:var(--accent-soft-ink);font-size:11px;font-weight:800;line-height:1;flex-shrink:0}.auth-skin-section{padding:10px 16px;border-bottom:1px solid var(--line)}.auth-skin-label{font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}.auth-skin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.auth-skin-swatch{position:relative;aspect-ratio:1;border-radius:8px;border:2px solid var(--line);background:var(--surface-2) center / cover no-repeat;cursor:pointer;padding:0;overflow:hidden;transition:border-color .15s,transform .1s}.auth-skin-swatch:hover{transform:translateY(-1px);border-color:var(--accent)}.auth-skin-swatch.is-active{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.auth-skin-swatch--none{display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--ink-3)}.auth-card{max-width:420px;margin:40px auto;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px}.auth-title{margin:0 0 8px;font-size:22px;text-align:center}.auth-subtitle{margin:0 0 24px;text-align:center;font-size:14px;color:var(--ink-3)}.auth-info{text-align:center;padding:10px 14px;color:var(--ink-3);font-size:13px}.auth-error{padding:10px 14px;background:var(--danger-soft);color:var(--danger);border-left:3px solid var(--danger);border-radius:6px;font-size:13px;margin-top:12px}.auth-note{margin:20px 0 0;padding-top:16px;border-top:1px solid var(--surface-2);font-size:12px;color:var(--ink-3);text-align:center}.welcome-hero{margin-bottom:4px}@media (max-width: 640px){.exam-list-header{align-items:flex-start;flex-direction:row;margin-bottom:18px}.exam-create-btn{margin-top:2px}.exam-filter-row{grid-template-columns:1fr;gap:8px}.exam-filter-label{font-size:11px}.exam-filter-scroll{margin-right:-16px;padding-right:16px}.exam-filter-pill{min-height:30px;padding:6px 12px;font-size:12px}.exam-province-header h2{font-size:17px}.exam-card-inner{padding:12px 14px 11px}.exam-card h3{font-size:13px}.exam-grid{grid-template-columns:1fr}.exam-runner,.exam-result{width:100%}.exam-result-shell{border-left:0;border-right:0;border-radius:0}.exam-result-content{padding:18px 14px 24px}.exam-result-card{padding:18px 14px}.exam-result-stats{grid-template-columns:1fr;gap:10px;padding:14px}.exam-review-main .section-title{gap:8px}.exam-review-item{padding:14px}.exam-review-option{grid-template-columns:24px minmax(0,1fr) 16px;padding:8px 10px}.exam-result-actions{padding:0 14px 84px}.exam-result-actions .btn{flex:1 1 160px;text-align:center}.exam-section-summary-card{display:none}.exam-result-summary-fab{position:fixed;right:16px;bottom:18px;z-index:55;display:inline-flex;align-items:center;justify-content:center;min-width:118px;min-height:44px;padding:0 16px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:var(--accent);color:var(--surface);box-shadow:0 12px 30px #00000038;font:inherit;font-size:14px;font-weight:700;cursor:pointer}.exam-result-summary-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:70;display:flex;align-items:flex-end;padding:14px;background:#1d1b166b}.exam-result-summary-sheet{width:100%;max-height:min(72vh,520px);overflow:auto;padding:18px;border:1px solid var(--line);border-radius:14px 14px 10px 10px;background:var(--surface);box-shadow:0 -16px 44px #00000038}}.welcome-hero h1{color:var(--surface)}.welcome-hero p{color:#ffffffe0}.welcome-hero .hero-actions{justify-content:flex-start;margin-top:20px}.welcome-hero-panel{display:grid;gap:10px;align-content:center}.welcome-hero-panel div{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 14px;border-radius:10px;background:#fffffff2;color:var(--ink)}.welcome-hero-panel span{color:var(--ink-3);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}.welcome-hero-panel strong{font-size:18px;line-height:1}.welcome-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:12px}.welcome-feature-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;transition:transform .15s ease,box-shadow .15s ease}.welcome-feature-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000000f}.welcome-feature-index{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;background:var(--accent-soft);color:var(--accent-soft-ink);font-size:12px;font-weight:800;margin-bottom:12px}.welcome-feature-card h3{font-size:16px;margin:0 0 6px;color:var(--ink)}.welcome-feature-card p{font-size:13px;margin:0}.welcome-feature-icon{font-size:24px;margin-bottom:10px}.welcome-section{margin-bottom:8px}.welcome-section-alt{background:var(--surface-2);border-radius:16px;padding:28px 24px;margin-left:-4px;margin-right:-4px}.welcome-section-header{text-align:center;margin-bottom:20px}.welcome-section-header h2{font-size:22px;margin:0 0 6px;color:var(--ink)}.welcome-section-header p{font-size:14px;margin:0}.welcome-hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;align-content:center}.welcome-stat{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:14px 12px;border-radius:12px;background:#ffffff24;border:1px solid rgba(255,255,255,.18);text-align:center}.welcome-stat strong{font-size:22px;line-height:1;color:#fff}.welcome-stat span{font-size:11px;color:#ffffffc7;text-transform:uppercase;letter-spacing:.4px;font-weight:600}.welcome-audience-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.welcome-audience-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;transition:transform .15s ease,box-shadow .15s ease}.welcome-audience-card:hover{transform:translateY(-2px);box-shadow:0 4px 14px #00000012}.welcome-audience-icon{font-size:26px;display:block;margin-bottom:8px}.welcome-audience-card h3{font-size:15px;margin:0 0 6px;color:var(--ink)}.welcome-audience-card p{font-size:13px;margin:0}.welcome-exam-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:18px}.welcome-exam-card{display:flex;flex-direction:column;gap:6px;padding:16px;border-radius:12px;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease;border:1px solid transparent}.welcome-exam-card:hover{transform:translateY(-2px);box-shadow:0 4px 14px #0000001a}.welcome-exam-card--accent{background:var(--accent-soft);color:var(--accent-soft-ink);border-color:var(--accent-soft)}.welcome-exam-card--green{background:#e6f9ee;color:#1a6a3a;border-color:#b7ead0}.welcome-exam-card--blue{background:#e6f0fb;color:#174f8a;border-color:#b3cff0}.welcome-exam-card--purple{background:#f0ebfb;color:#4a1d96;border-color:#d0bdf5}.welcome-exam-card--orange{background:#fff3e6;color:#8a3a00;border-color:#f5d0a0}.welcome-exam-card--teal{background:#e6f7f7;color:#155f5f;border-color:#aadede}.welcome-exam-tag{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;opacity:.7}.welcome-exam-card strong{font-size:16px}.welcome-exam-card--soon{opacity:.6;cursor:default;pointer-events:none;position:relative}.welcome-exam-soon{margin-top:6px;display:inline-block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;background:#0000001f;padding:2px 7px;border-radius:20px}.welcome-exam-cta{text-align:center}.welcome-badge-soon{display:inline-block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;background:var(--accent-soft);color:var(--accent-soft-ink);padding:2px 7px;border-radius:20px;white-space:nowrap}.welcome-audience-title-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}.welcome-audience-title-row h3{margin:0}.welcome-audience-card--soon{opacity:.75}.welcome-speak-write-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.welcome-skill-card{border-radius:14px;padding:24px;border:1px solid var(--line)}.welcome-skill-card--speak{background:linear-gradient(135deg,#e8f4ff,#f0f8ff);border-color:#b3d4f0}.welcome-skill-card--write{background:linear-gradient(135deg,#f0fbf0,#f5fff0);border-color:#b3deb3}.welcome-skill-icon{font-size:32px;margin-bottom:12px}.welcome-skill-card h3{font-size:18px;margin:0 0 8px;color:var(--ink)}.welcome-skill-card p{font-size:13px;margin:0 0 16px;color:var(--ink-2)}.welcome-shadowing{background:linear-gradient(135deg,var(--accent-soft),color-mix(in srgb,var(--accent-soft) 55%,var(--surface)));border:1px solid color-mix(in srgb,var(--accent) 22%,var(--line));border-radius:16px;padding:28px 24px;margin-left:-4px;margin-right:-4px}.welcome-shadow-steps{list-style:none;margin:4px 0 14px;padding:0;display:flex;flex-direction:column;gap:10px;counter-reset:shadow-step}.welcome-shadow-steps li{position:relative;padding-left:40px;color:var(--ink-2);font-size:14px;line-height:1.4}.welcome-shadow-steps li:before{counter-increment:shadow-step;content:counter(shadow-step);position:absolute;left:0;top:-2px;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--accent);color:#fff;font-size:13px;font-weight:800}.welcome-shadow-steps li span{margin-right:4px}.welcome-shadow-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 10px 30px #00000014}.welcome-shadow-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.welcome-shadow-flag{font-size:13px;font-weight:600;color:var(--ink-2)}.welcome-shadow-line{font-size:20px;line-height:1.5;margin:0 0 16px;color:var(--ink);font-weight:600}.welcome-shadow-word{margin-right:6px;border-radius:5px;padding:1px 3px;transition:color .2s ease,background .2s ease}.welcome-shadow-word.is-on{background:var(--accent-soft);color:var(--accent-soft-ink, var(--accent))}.welcome-shadow-wave{display:flex;align-items:center;gap:3px;height:44px;margin-bottom:16px}.welcome-shadow-wave i{flex:1;min-width:2px;border-radius:3px;background:var(--accent);opacity:.85;height:30%;animation:welcomeShadowWave 1.1s ease-in-out infinite;animation-delay:calc(var(--i) * .05s)}@keyframes welcomeShadowWave{0%,to{height:18%}50%{height:92%}}.welcome-shadow-controls{display:flex;align-items:center;justify-content:space-between;gap:12px}.welcome-shadow-speed{display:inline-flex;gap:6px}.welcome-shadow-speed b{font-size:12px;font-weight:600;padding:4px 9px;border-radius:999px;border:1px solid var(--line);color:var(--ink-2)}.welcome-shadow-speed b.is-on{background:var(--accent);border-color:var(--accent);color:#fff}.welcome-shadow-rec{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--danger)}.welcome-shadow-rec i{width:12px;height:12px;border-radius:50%;background:var(--danger);animation:welcomeShadowPulse 1.4s ease-in-out infinite}@keyframes welcomeShadowPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.78)}}@media (prefers-reduced-motion: reduce){.welcome-shadow-wave i,.welcome-shadow-rec i{animation:none}.welcome-shadow-wave i{height:55%}}.welcome-demo-row{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.welcome-demo-row--reverse .welcome-demo-copy{order:2}.welcome-demo-copy h2{margin:8px 0 12px;font-size:24px;color:var(--ink)}.welcome-demo-copy>p{margin:0 0 16px}.welcome-check-list{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:9px}.welcome-check-list li{position:relative;padding-left:28px;color:var(--ink-2);font-size:14px}.welcome-check-list li:before{content:"✓";position:absolute;left:0;top:-1px;width:19px;height:19px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:700}.welcome-demo-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 12px 32px #00000014}.welcome-demo-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.welcome-demo-card-head strong{font-size:15px;color:var(--ink)}.welcome-demo-badge{font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--surface-2);color:var(--ink-2)}.welcome-demo-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}.welcome-demo-kpi{background:var(--surface-2);border-radius:10px;padding:10px 8px;text-align:center}.welcome-demo-kpi-value{display:block;font-size:22px;font-weight:700;color:var(--accent)}.welcome-demo-kpi-label{display:block;font-size:11px;color:var(--ink-2);margin-top:2px}.welcome-demo-bars{display:flex;flex-direction:column;gap:9px}.welcome-demo-bars-title{font-size:12px;font-weight:600;color:var(--ink-2);margin-bottom:2px}.welcome-demo-bar-row{display:grid;grid-template-columns:124px 1fr 22px;align-items:center;gap:8px}.welcome-demo-bar-label{font-size:12px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.welcome-demo-bar-track{height:10px;border-radius:999px;background:var(--surface-2);overflow:hidden}.welcome-demo-bar-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#f59e0b)}.welcome-demo-bar-count{font-size:12px;font-weight:600;color:var(--ink);text-align:right}.welcome-demo-podium{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;align-items:end;margin-bottom:14px}.welcome-demo-podium-card{display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--surface-2);border-radius:12px;padding:12px 6px}.welcome-demo-podium-card--1{background:linear-gradient(160deg,#fff6d6,#fde9a8);padding-top:18px;padding-bottom:18px}.welcome-demo-podium-medal{font-size:22px}.welcome-demo-podium-avatar{width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;font-weight:700;font-size:13px}.welcome-demo-podium-name{font-size:13px;color:var(--ink)}.welcome-demo-podium-xp{font-size:12px;font-weight:700;color:var(--accent)}.welcome-demo-chip{font-size:10px;padding:2px 7px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--ink-2)}.welcome-demo-rank-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.welcome-demo-rank-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;background:var(--surface-2)}.welcome-demo-rank-num{width:18px;text-align:center;font-weight:700;color:var(--ink-2);font-size:13px}.welcome-demo-rank-avatar{width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:11px}.welcome-demo-rank-name{flex:1;font-size:13px;color:var(--ink)}.welcome-demo-rank-streak{font-size:12px;color:var(--ink-2)}.welcome-demo-rank-xp{font-size:12px;font-weight:700;color:var(--accent)}@media (max-width: 860px){.welcome-demo-row{grid-template-columns:1fr;gap:24px}.welcome-demo-row--reverse .welcome-demo-copy{order:0}}.welcome-cta{text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:32px 24px;margin-bottom:24px}.welcome-cta h2{margin:0 0 8px;font-size:22px;color:var(--ink)}.welcome-cta p{margin:0 0 16px}@keyframes welcome-fade-in{0%{opacity:0}to{opacity:1}}.welcome-hero[data-reveal],.welcome-section[data-reveal],.welcome-seo-links[data-reveal],.welcome-cta[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,.61,.36,1);will-change:opacity,transform}.welcome-hero[data-reveal].is-visible,.welcome-section[data-reveal].is-visible,.welcome-seo-links[data-reveal].is-visible,.welcome-cta[data-reveal].is-visible{opacity:1;transform:none}.welcome-stat,.welcome-audience-card,.welcome-feature-card,.welcome-exam-card,.welcome-skill-card{opacity:0}.is-visible .welcome-stat,.is-visible .welcome-audience-card,.is-visible .welcome-feature-card,.is-visible .welcome-exam-card,.is-visible .welcome-skill-card{animation:welcome-fade-in .5s ease both}.is-visible .welcome-stat:nth-child(2),.is-visible .welcome-audience-card:nth-child(2),.is-visible .welcome-feature-card:nth-child(2),.is-visible .welcome-exam-card:nth-child(2),.is-visible .welcome-skill-card:nth-child(2){animation-delay:.08s}.is-visible .welcome-stat:nth-child(3),.is-visible .welcome-audience-card:nth-child(3),.is-visible .welcome-feature-card:nth-child(3),.is-visible .welcome-exam-card:nth-child(3){animation-delay:.16s}.is-visible .welcome-stat:nth-child(4),.is-visible .welcome-audience-card:nth-child(4),.is-visible .welcome-feature-card:nth-child(4){animation-delay:.24s}.is-visible .welcome-stat:nth-child(5),.is-visible .welcome-feature-card:nth-child(5){animation-delay:.32s}.is-visible .welcome-stat:nth-child(6),.is-visible .welcome-feature-card:nth-child(6){animation-delay:.4s}@media (prefers-reduced-motion: reduce){.welcome-hero[data-reveal],.welcome-section[data-reveal],.welcome-seo-links[data-reveal],.welcome-cta[data-reveal],.welcome-stat,.welcome-audience-card,.welcome-feature-card,.welcome-exam-card,.welcome-skill-card{opacity:1!important;transform:none!important;animation:none!important;transition:none!important}}.auth-tabs{display:flex;gap:4px;padding:4px;background:var(--surface-2);border-radius:10px;margin-bottom:20px}.auth-tab{flex:1;padding:8px 12px;border:none;background:transparent;border-radius:8px;font-size:14px;color:var(--ink-3);cursor:pointer;font-weight:500;transition:all .15s ease}.auth-tab:hover{color:var(--ink)}.auth-tab.active{background:var(--surface);color:var(--accent);box-shadow:0 1px 2px #0000000f}.auth-form{display:flex;flex-direction:column;gap:14px}.auth-field{display:flex;flex-direction:column;gap:6px}.auth-field>span{font-size:13px;font-weight:500;color:var(--ink-2)}.auth-field input{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;color:var(--ink);background:var(--surface);transition:border-color .15s ease,box-shadow .15s ease}.auth-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #d76f4d2e}.auth-hint{font-size:12px;color:var(--ink-3)}.auth-submit{margin-top:6px;padding:11px 16px;background:var(--accent);color:var(--surface);border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s ease}.auth-submit:hover:not(:disabled){background:var(--accent-hover)}.auth-submit:disabled{background:var(--accent);cursor:not-allowed}.auth-divider{display:flex;align-items:center;gap:10px;margin:16px 0 12px;color:var(--ink-3);font-size:13px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--line)}.auth-google{display:flex;justify-content:center}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#0f172a8c;display:flex;align-items:center;justify-content:center;padding:20px}.set-password-modal{max-width:420px;width:100%}.set-password-modal .auth-form{padding:20px;gap:18px}.set-password-modal .auth-field{gap:8px}.set-password-modal .auth-field input{padding:12px 14px}.set-password-modal .auth-submit{margin-top:4px}.set-password-modal .auth-error{margin:0 20px 16px}.set-password-note{font-size:13px;color:var(--ink-2);line-height:1.5;background:var(--surface-2);border-radius:8px;padding:12px 14px;margin:0}.set-password-success{display:flex;flex-direction:column;align-items:center;gap:10px;padding:24px 20px;text-align:center}.set-password-success-icon{width:48px;height:48px;border-radius:50%;background:var(--success-soft, #d1fae5);color:var(--success, #059669);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700}.set-password-success p{margin:0;font-size:15px;font-weight:500}.set-password-success-sub{font-size:13px;color:var(--ink-2);font-weight:400!important}.roadmap{display:block;width:min(1040px,calc(100vw - 40px));margin:0 auto;padding:38px 44px 42px;background:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px),var(--bg);background-size:96px 96px;border:1px solid var(--line-2);box-shadow:0 10px 28px #1d1b160a}.roadmap-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}.roadmap-header h1{margin:0 0 6px;font-size:24px;line-height:1.2}.roadmap-header .muted{max-width:620px;font-size:14px;line-height:1.55}.roadmap-overall{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px}.roadmap-overall-ring{position:relative;width:58px;height:58px;flex-shrink:0;border-radius:50%;background:conic-gradient(var(--accent) calc(var(--p, 0) * 1%),var(--surface-2) 0)}.roadmap-overall-ring:after{content:"";position:absolute;top:5px;right:5px;bottom:5px;left:5px;border-radius:50%;background:var(--surface)}.roadmap-overall-percent{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:var(--accent);line-height:1}.roadmap-overall-meta{display:flex;flex-direction:column;align-items:flex-start;gap:8px;font-size:13px;color:var(--ink-3);white-space:nowrap}.roadmap-overall-meta strong{color:var(--ink);font-size:16px;font-weight:800}.roadmap-reset{padding:4px 12px;font-size:12px}.roadmap-reset:disabled{opacity:.5;cursor:not-allowed}.roadmap-stages{display:grid;gap:16px}.stage{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px 24px;position:relative;border-left:3px solid var(--ink-3);box-shadow:0 8px 18px #1d1b1609}.stage--green{border-left-color:var(--ok)}.stage--amber{border-left-color:var(--warn)}.stage--violet{border-left-color:var(--ink)}.stage--locked{opacity:.65}.stage--complete{border-left-color:var(--ok)}.stage--complete .stage-cefr{background:var(--ok-soft);color:var(--ok)}.stage--complete .stage-progress-fill{background:var(--ok)}.stage-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:12px}.stage-level{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0;color:var(--ink-3)}.stage-title{margin:2px 0 4px;font-size:20px;line-height:1.25}.stage-tagline{margin:0;color:var(--ink-2);font-size:14px}.stage-head-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px;min-width:200px}.stage-cefr{background:var(--accent-soft);color:var(--accent-soft-ink);padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700}.stage-progress{display:flex;align-items:center;gap:10px;width:100%}.stage-progress-bar{flex:1;height:8px;background:var(--surface-2);border-radius:999px;overflow:hidden}.stage-progress-fill{height:100%;background:var(--accent);transition:width .3s ease}.stage-progress-text{font-size:12px;color:var(--ink-3);white-space:nowrap}.stage-goal{background:var(--surface);border:1px solid var(--line-2);border-radius:8px;padding:10px 14px;font-size:13px;margin:12px 0 16px;color:var(--ink-2)}.stage-goal strong{color:var(--ink)}.stage-lock{background:var(--surface);color:var(--ink-3);border:1px dashed var(--line);border-radius:8px;padding:14px;font-size:14px;text-align:center}.milestone-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.milestone{display:grid;grid-template-columns:36px 1fr;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px;transition:border-color .15s,background .15s}.milestone:hover{border-color:#d76f4d3d;background:var(--surface)}.milestone--done{background:var(--surface);border-color:#2f7d5759}.milestone--done .milestone-title{text-decoration:line-through;color:var(--ok)}.milestone-index{width:32px;height:32px;border-radius:999px;background:var(--accent-soft);color:var(--accent-soft-ink);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}.milestone--done .milestone-index{background:var(--ok-soft);color:var(--ok)}.milestone-head{display:flex;align-items:center;gap:10px;margin-bottom:4px;flex-wrap:wrap}.milestone-kind{font-size:11px;font-weight:600;color:var(--accent-soft-ink);background:var(--accent-soft);padding:3px 9px;border-radius:999px}.milestone-est{font-size:12px;color:var(--ink-3)}.milestone-title{margin:0 0 4px;font-size:15px;color:var(--ink);line-height:1.35}.milestone-desc{margin:0 0 10px;font-size:13px;color:var(--ink-2);line-height:1.5}.milestone-actions{display:flex;gap:8px;flex-wrap:wrap}.btn-sm{padding:6px 12px;font-size:13px}.btn-done{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}.btn-done:hover{background:var(--ok-soft)}.milestone-auto{display:flex;align-items:center;gap:10px;margin:0 0 10px}.milestone-auto-bar{flex:1;height:6px;min-width:0;background:var(--surface-2);border-radius:999px;overflow:hidden}.milestone-auto-bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent-strong));transition:width .3s ease}.milestone-auto-text{font-size:12px;color:var(--ink-3);white-space:nowrap}.milestone-auto-badge{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;background:var(--ok-soft);color:var(--ok);font-size:13px;font-weight:700}.roadmap-next{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:18px;padding:18px 22px;border:1px solid var(--accent-soft-2);border-left:3px solid var(--accent);border-radius:12px;background:var(--accent-soft)}.roadmap-next--done{border-color:var(--ok);border-left-color:var(--ok);background:var(--ok-soft)}.roadmap-next-main{min-width:0;flex:1 1 320px}.roadmap-next-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}.roadmap-next-label{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.4px;color:var(--accent-soft-ink)}.roadmap-next--done .roadmap-next-label{color:var(--ok)}.roadmap-next-remaining{font-size:12px;font-weight:700;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);padding:3px 10px;border-radius:999px;white-space:nowrap}.roadmap-next-kind{display:block;font-size:12px;color:var(--ink-3);margin-bottom:4px}.roadmap-next-kind em{font-style:normal;color:var(--ink-3)}.roadmap-next-title{margin:0 0 4px;font-size:18px;line-height:1.3;color:var(--ink)}.roadmap-next-desc{margin:0;font-size:13px;line-height:1.5;color:var(--ink-2)}.roadmap-next-motivation{margin:8px 0 0;font-size:13px;font-weight:600;color:var(--accent-soft-ink)}.roadmap-next .btn{flex-shrink:0;white-space:nowrap}.xp-panel{display:flex;align-items:center;gap:14px;min-width:0}.xp-panel--inline{flex:1}.xp-panel-ring{position:relative;width:56px;height:56px;flex-shrink:0;border-radius:50%;background:conic-gradient(var(--accent) calc(var(--p, 0) * 1%),var(--surface-2) 0)}.xp-panel-ring:after{content:"";position:absolute;top:5px;right:5px;bottom:5px;left:5px;border-radius:50%;background:var(--surface)}.xp-panel-level{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:var(--accent);line-height:1}.xp-panel-meta{display:flex;flex-direction:column;gap:5px;min-width:0;flex:1}.xp-panel-title{font-size:14px;font-weight:700;color:var(--ink)}.xp-panel-bar{height:7px;background:var(--surface-2);border-radius:999px;overflow:hidden}.xp-panel-bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent-strong));transition:width .4s ease}.xp-panel-sub{font-size:11px;color:var(--ink-3)}.roadmap-header-progress{display:flex;align-items:stretch;gap:12px;flex-wrap:nowrap}.roadmap-header-progress .roadmap-overall{flex:1 1 0;min-width:0}.xp-toast{position:fixed;right:20px;top:76px;z-index:1250;display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:var(--accent-ink);border:1px solid rgba(255,255,255,.26);box-shadow:0 12px 32px #1d1b163d;pointer-events:none;animation:xp-toast-in .3s cubic-bezier(.2,.8,.3,1.2)}.xp-toast-spark{font-size:20px;line-height:1}.xp-toast-body{display:flex;flex-direction:column;line-height:1.2}.xp-toast-amount{font-size:17px;font-weight:800}.xp-toast-level{font-size:12px;font-weight:700;opacity:.95}@keyframes xp-toast-in{0%{opacity:0;transform:translateY(16px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}@media (max-width: 640px){.xp-toast{right:12px;left:12px;top:auto;bottom:16px;justify-content:center}}@media (prefers-reduced-motion: reduce){.xp-toast{animation:none}}@media (max-width: 640px){.roadmap{width:100%;padding:20px 16px 24px;border-left:0;border-right:0}.stage{padding:18px 16px}.stage-head-right{width:100%;align-items:stretch}.stage-cefr{align-self:flex-start}.roadmap-header{flex-direction:column;align-items:stretch}.roadmap-header-progress{flex-direction:column}.roadmap-overall{justify-content:flex-start}.roadmap-overall-meta{white-space:normal}.roadmap-next{padding:16px;gap:14px}.roadmap-next .btn{width:100%}}html,body,#root{width:100%;min-width:0;overflow-x:hidden}img,svg,video,canvas,iframe{max-width:100%}@media (max-width: 640px){.container{width:100%;max-width:100%;padding-left:14px;padding-right:14px}main.container{padding-top:20px;padding-bottom:32px}.hero,.home-hero,.welcome-hero{max-width:100%;padding:18px;border-radius:12px}.hero h1,.home-hero h1,.welcome-hero h1{font-size:28px;line-height:1.14}.home-action-panel,.welcome-hero-panel,.welcome-hero-panel div,.welcome-hero-stats{width:100%;min-width:0}.welcome-speak-write-grid{grid-template-columns:1fr}.welcome-audience-grid{grid-template-columns:repeat(2,1fr)}.dashboard-card,.quiz-card,.question-card,.word-card,.grammar-block,.grammar-exercise,.vocab-topic-card,.vocab-word-card,.exam-card,.exam-section,.exam-review-item{max-width:100%}.dashboard-card-header,.dashboard-progress-head,.dashboard-bucket,.exam-card-header,.vocab-word-header,.latest-attempt-inline,.exam-runner-header,.exam-runner-aside,.exam-confirm-actions,.modal-footer{flex-wrap:wrap}.dashboard-task{grid-template-columns:22px minmax(0,1fr)}.dashboard-task-tag{grid-column:2;justify-self:flex-start}.exam-runner{width:100%}.exam-runner-header,.exam-section,.exam-result-card,.exam-review-item{padding:16px}.exam-runner-header{flex-direction:column}.exam-result-stats{grid-template-columns:1fr}.attempts-table thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);border:0}.attempts-table,.attempts-table tbody,.attempts-table tr,.attempts-table td{display:block;width:100%}.attempts-table tr{border:1px solid var(--line);border-radius:10px;background:var(--surface-2);padding:4px 12px;margin-bottom:10px}.attempts-table tr:last-child{margin-bottom:0}.attempts-table td{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:4px 12px;text-align:right;padding:8px 0;border-bottom:1px solid var(--line);min-width:0}.attempts-table td>*,.attempts-table td a{min-width:0;overflow-wrap:anywhere;word-break:break-word}.attempts-table tr td:last-child{border-bottom:0}.attempts-table td.num{text-align:right}.attempts-table td:first-child{display:none}.attempts-table td:before{content:attr(data-label);flex:0 0 auto;text-align:left;color:var(--ink-3);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.4px}.exam-question-head{flex-direction:column;gap:4px}.exam-question-num,.exam-option,.completion-option,.exercise-option{min-width:0}.exam-option-text,.exam-question-text,.exam-passage-text,.exam-review-explanation pre,.question-text,.exercise-question,.vocab-example,.milestone-title,.milestone-desc{overflow-wrap:anywhere}.roadmap{width:100%}.stage-head-right{min-width:0}.stage-progress-text{white-space:normal}input,select,textarea,button,.btn,.auth-card,.modal-content{max-width:100%}}.feedback-page{width:min(1080px,100%);margin:0 auto}.feedback-header{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px}.feedback-kicker{display:inline-flex;margin-bottom:8px;color:var(--accent);font-size:12px;font-weight:800;text-transform:uppercase}.feedback-header h1{margin:0 0 6px}.feedback-summary{min-width:150px;padding:16px 18px;border:1px solid var(--line);border-radius:8px;background:var(--surface);text-align:right}.feedback-summary strong{display:block;color:var(--accent);font-size:30px;line-height:1}.feedback-summary span{color:var(--ink-3);font-size:12px}.feedback-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:18px;align-items:start}.feedback-form,.feedback-history{border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:22px}.feedback-form-head{margin-bottom:18px}.feedback-form-head h2,.feedback-history-head h2{margin:0;font-size:18px}.feedback-form-head p{margin:6px 0 0;color:var(--ink-3);font-size:13px}.feedback-alert{margin-bottom:14px;padding:10px 12px;border-radius:6px;font-size:13px;font-weight:600}.feedback-alert-error{border:1px solid var(--danger);background:var(--danger-soft);color:var(--danger)}.feedback-alert-success{border:1px solid var(--ok);background:var(--ok-soft);color:var(--ok)}.feedback-category-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0 0 18px;border:0}.feedback-category-grid legend,.feedback-field>span{display:block;margin-bottom:8px;color:var(--ink-2);font-size:12px;font-weight:700}.feedback-category-grid label{display:block;min-height:96px;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);cursor:pointer}.feedback-category-grid label.active{border-color:var(--accent);background:var(--accent-soft)}.feedback-category-grid input{position:absolute;opacity:0;pointer-events:none}.feedback-category-grid span{display:block;margin-bottom:4px;color:var(--ink);font-size:14px;font-weight:700}.feedback-category-grid small,.feedback-field small{color:var(--ink-3);font-size:12px;line-height:1.4}.feedback-field{display:block;margin-bottom:16px}.feedback-field input,.feedback-field textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit;font-size:14px}.feedback-field input:focus,.feedback-field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #d76f4d29}.feedback-field textarea{resize:vertical}.feedback-rating{display:inline-flex;gap:6px;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--surface-2)}.feedback-rating button{width:34px;height:34px;border:0;border-radius:999px;background:transparent;color:var(--ink-2);cursor:pointer;font:inherit;font-weight:700}.feedback-rating button.active{background:var(--accent);color:var(--surface)}.feedback-actions{display:flex;gap:10px;flex-wrap:wrap}.feedback-actions .btn:disabled,.feedback-rating button:disabled{cursor:not-allowed;opacity:.65}.feedback-history{position:sticky;top:84px}.feedback-history-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.feedback-history-head span{color:var(--ink-3);font-size:12px}.feedback-empty{padding:20px;border:1px dashed var(--line);border-radius:8px;background:var(--surface-2)}.feedback-empty strong{display:block;margin-bottom:4px}.feedback-empty p{margin:0;color:var(--ink-3);font-size:13px}.feedback-list{display:grid;gap:12px}.feedback-item{padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2)}.feedback-item-top,.feedback-item-meta{display:flex;align-items:center;justify-content:space-between;gap:10px}.feedback-item-top span,.feedback-item-top em{font-size:11px;font-style:normal;font-weight:800;text-transform:uppercase}.feedback-item-top span{color:var(--accent)}.feedback-item-top em{padding:3px 8px;border-radius:999px;background:var(--ok-soft);color:var(--ok)}.feedback-item h3{margin:9px 0 6px;font-size:15px}.feedback-item p{margin:0 0 12px;color:var(--ink-2);font-size:13px;line-height:1.5;overflow-wrap:anywhere}.feedback-item-meta{color:var(--ink-3);font-size:12px}@media (max-width: 860px){.feedback-header{align-items:stretch;flex-direction:column}.feedback-summary{text-align:left}.feedback-layout{grid-template-columns:1fr}.feedback-history{position:static}}@media (max-width: 560px){.feedback-form,.feedback-history{padding:16px}.feedback-category-grid{grid-template-columns:1fr}}.feedback-widget{position:fixed;left:20px;bottom:84px;z-index:1000;display:flex;flex-direction:column;align-items:flex-start;gap:12px}.feedback-float-wrap{position:relative;display:inline-flex}.feedback-float{min-height:32px;padding:0 12px;border:1px solid rgba(255,255,255,.2);border-radius:999px;background:var(--accent);color:var(--surface);box-shadow:0 6px 16px #1d1b1629;cursor:pointer;font:inherit;font-size:12.5px;font-weight:700}.feedback-float:hover{background:var(--accent-hover)}.feedback-float-close{position:absolute;top:-7px;right:-7px;width:18px;height:18px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink-2);box-shadow:0 4px 12px #1d1b1629;cursor:pointer;font:inherit;font-size:11px;line-height:1}.feedback-float-close:hover{color:var(--danger);border-color:var(--danger)}.feedback-popover{width:min(380px,calc(100vw - 40px));max-height:min(680px,calc(100vh - 88px));overflow:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:0 18px 48px #1d1b1638;padding:18px}.feedback-popover-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.feedback-popover-head h2{margin:0 0 4px;font-size:18px}.feedback-popover-head p{margin:0;color:var(--ink-3);font-size:13px;line-height:1.45}.feedback-close{width:30px;height:30px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink-2);cursor:pointer;font:inherit;font-size:18px;line-height:1}.feedback-close:hover{background:var(--surface-2);color:var(--accent)}.feedback-widget-form{display:grid;gap:12px}.feedback-widget-form label{display:grid;gap:6px}.feedback-widget-form label>span{color:var(--ink-2);font-size:12px;font-weight:700}.feedback-widget-form input,.feedback-widget-form select,.feedback-widget-form textarea{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit;font-size:14px}.feedback-widget-form input:focus,.feedback-widget-form select:focus,.feedback-widget-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #d76f4d29}.feedback-widget-form textarea{resize:vertical}.feedback-widget-actions{display:flex;justify-content:flex-end}.feedback-widget-actions .btn{width:100%;text-align:center}@media (max-width: 640px){.feedback-widget{display:none}}.mastery-topbar{display:flex;justify-content:flex-end;margin-bottom:10px}.mastery-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 12px 5px 6px;border-radius:999px;background:var(--surface);border:1px solid var(--line)}.mastery-badge-ring{--pct: 0;position:relative;width:30px;height:30px;flex:0 0 auto;border-radius:50%;background:conic-gradient(var(--accent-strong) calc(var(--pct) * 1%),var(--line) 0);display:grid;place-items:center}.mastery-badge-ring:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:22px;height:22px;border-radius:50%;background:var(--surface)}.mastery-badge-num{position:relative;font-size:9px;font-weight:800;color:var(--accent-strong);font-variant-numeric:tabular-nums}.mastery-badge-label{font-size:12.5px;font-weight:700;color:var(--ink-2);white-space:nowrap;font-variant-numeric:tabular-nums}.grammar-practice-cta{display:flex;align-items:center;gap:16px;padding:18px 22px;margin-bottom:24px;border-radius:16px;text-decoration:none;color:var(--accent-ink);background:linear-gradient(135deg,var(--accent),var(--accent-strong));box-shadow:0 10px 28px #d76f4d47;transition:transform .18s ease,box-shadow .18s ease}.grammar-practice-cta:hover{transform:translateY(-2px);box-shadow:0 14px 34px #d76f4d5c}.grammar-practice-cta-icon{font-size:28px;line-height:1;width:52px;height:52px;flex:0 0 auto;display:grid;place-items:center;border-radius:14px;background:#ffffff2e}.grammar-practice-cta-body{flex:1}.grammar-practice-cta-body h3{margin:0 0 4px;font-size:18px;font-weight:800}.grammar-practice-cta-body p{margin:0;font-size:13.5px;opacity:.92}.grammar-practice-cta-arrow{font-size:24px;font-weight:800;transition:transform .18s ease}.grammar-practice-cta:hover .grammar-practice-cta-arrow{transform:translate(4px)}.grammar-quiz{max-width:720px;margin:0 auto}.grammar-mcq-block .grammar-quiz{max-width:none}.grammar-mcq-block{margin-top:8px}.grammar-quiz-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.grammar-quiz-counter{font-size:13px;font-weight:700;color:var(--muted)}.grammar-quiz-header{margin-bottom:14px}.grammar-quiz-header h1{margin:0 0 4px;font-size:22px}.grammar-quiz-scoreboard{display:flex;gap:16px;margin-bottom:10px;font-size:14px;font-weight:700}.grammar-quiz-score.score-correct{color:var(--ok)}.grammar-quiz-score.score-wrong{color:var(--danger)}.grammar-quiz-score.score-xp{color:var(--accent)}.grammar-quiz-card{position:relative;margin-top:16px;padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:0 4px 18px var(--shadow);animation:grammar-quiz-card-in .28s ease}@keyframes grammar-quiz-card-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.grammar-quiz-badges{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.grammar-quiz-topic-badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-soft-ink)}.grammar-quiz-level-badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--ink-3);border:1px solid var(--line)}.grammar-quiz-hint-toggle{font-size:12px;font-weight:700;padding:4px 12px;margin-bottom:12px;border-radius:999px;background:var(--surface-2);color:var(--ink-3);border:1px dashed var(--line);cursor:pointer}.grammar-quiz-hint-toggle:hover{color:var(--accent-soft-ink);border-color:var(--accent)}.grammar-quiz-question{font-size:19px;line-height:1.55;font-weight:600;color:var(--ink);margin:0 0 18px}.grammar-quiz-blank{color:var(--accent);font-weight:800;letter-spacing:1px}.grammar-quiz-options{position:relative;display:flex;flex-direction:column;gap:10px}.grammar-quiz-option{position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;text-align:left;padding:13px 16px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface);font-size:15px;font-weight:600;color:var(--ink);cursor:default;transition:border-color .15s ease,background .15s ease,transform .1s ease}.grammar-quiz-option.is-clickable{cursor:pointer}.grammar-quiz-option.is-clickable:hover{border-color:var(--accent);background:var(--accent-soft-2)}.grammar-quiz-option.is-clickable:active{transform:scale(.99)}.grammar-quiz-option:disabled{opacity:1}.grammar-quiz-option.is-correct{border-color:var(--ok);background:var(--ok-soft);color:var(--ok);animation:grammar-quiz-pop .35s ease}.grammar-quiz-option.is-wrong{border-color:var(--danger);background:var(--danger-soft);color:var(--danger);animation:grammar-quiz-shake .4s ease}.grammar-quiz-mark{font-weight:900;font-size:16px}.grammar-quiz-xp-pop{position:absolute;top:12px;left:16px;z-index:3;font-size:16px;font-weight:800;color:var(--accent);pointer-events:none;opacity:0;animation:grammar-quiz-xp-float 1.2s ease forwards}@keyframes grammar-quiz-xp-float{0%{opacity:0;transform:translateY(8px) scale(.8)}20%{opacity:1;transform:translateY(0) scale(1.1)}to{opacity:0;transform:translateY(-40px) scale(1)}}@keyframes grammar-quiz-pop{0%{transform:scale(1)}45%{transform:scale(1.035)}to{transform:scale(1)}}@keyframes grammar-quiz-shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.grammar-quiz-feedback{margin-top:16px;padding:14px 16px;border-radius:12px;border-left:4px solid var(--line);background:var(--surface-2);animation:grammar-quiz-card-in .25s ease}.grammar-quiz-feedback.is-correct{border-left-color:var(--ok);background:var(--ok-soft)}.grammar-quiz-feedback.is-wrong{border-left-color:var(--danger);background:var(--danger-soft)}.grammar-quiz-feedback strong{display:block;margin-bottom:4px;font-size:15px}.grammar-quiz-feedback p{margin:0 0 12px;font-size:14px;line-height:1.5;color:var(--ink-2)}.grammar-quiz-next{margin-top:2px}.grammar-quiz-result{text-align:center;padding-top:12px}.grammar-quiz-result-emoji{font-size:64px;line-height:1;margin-bottom:8px;animation:grammar-quiz-card-in .3s ease}.grammar-quiz-result-emoji.is-perfect{animation:grammar-quiz-bounce 1s ease infinite}@keyframes grammar-quiz-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.grammar-quiz-result h1{margin:0 0 6px}.grammar-quiz-result-message{color:var(--muted);margin:0 0 22px}.grammar-quiz-result-stats{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:24px}.grammar-quiz-result-stat{min-width:110px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--surface);display:flex;flex-direction:column;gap:4px}.grammar-quiz-result-num{font-size:26px;font-weight:800;color:var(--ink)}.grammar-quiz-result-num.score-xp{color:var(--accent)}.grammar-quiz-result-label{font-size:12.5px;color:var(--muted);font-weight:600}.grammar-quiz-result-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.grammar-quiz-retry-banner{margin-bottom:12px;padding:10px 14px;border-radius:10px;background:var(--warn-soft, #fff8e1);border-left:4px solid var(--warn, #f59e0b);font-size:14px;font-weight:600;color:var(--ink-1)}@media (max-width: 640px){.grammar-quiz-question{font-size:17px}.grammar-quiz-result-emoji{font-size:52px}}@media (prefers-reduced-motion: reduce){.grammar-quiz-card,.grammar-quiz-option.is-correct,.grammar-quiz-option.is-wrong,.grammar-quiz-feedback,.grammar-quiz-result-emoji,.grammar-quiz-result-emoji.is-perfect,.grammar-quiz-xp-pop,.quiz-option.correct,.quiz-option.incorrect{animation:none}}.ipa-group{margin-bottom:28px}.ipa-group-title{font-size:16px;color:var(--ink-2);margin:0 0 12px;padding-bottom:6px;border-bottom:1px solid var(--line)}.ipa-sound-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:10px}.ipa-sound-tile{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 8px 10px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none;color:var(--ink);transition:transform .12s ease,border-color .12s ease,box-shadow .12s ease}.ipa-sound-complete{position:absolute;top:6px;right:7px;display:inline-flex;align-items:center;justify-content:center;width:17px;height:17px;border-radius:50%;background:var(--ok);color:#fff;font-size:11px;font-weight:800;line-height:1}.ipa-sound-tile:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--shadow)}.ipa-sound-symbol{font-size:24px;font-weight:700}.ipa-sound-example{font-size:13px;color:var(--muted)}.ipa-sound-diff{font-size:11px;padding:1px 8px;border-radius:999px;background:var(--surface-2);color:var(--ink-3)}.ipa-sound-tile[data-difficulty=easy] .ipa-sound-diff{background:var(--ok-soft);color:var(--ok)}.ipa-sound-tile[data-difficulty=medium] .ipa-sound-diff{background:var(--warn-soft);color:var(--warn)}.ipa-sound-tile[data-difficulty=hard] .ipa-sound-diff{background:var(--danger-soft);color:var(--danger)}.ipa-hero{display:flex;align-items:center;gap:18px;margin:8px 0 20px}.ipa-hero-symbol{font-size:44px;font-weight:800;width:96px;height:96px;display:flex;align-items:center;justify-content:center;border-radius:16px;background:var(--accent);color:var(--accent-ink);border:1px solid color-mix(in srgb,var(--accent) 72%,var(--ink));box-shadow:0 12px 28px var(--shadow);flex-shrink:0}.ipa-hero-symbol[data-difficulty=hard]{background:var(--danger);color:var(--accent-ink);border-color:color-mix(in srgb,var(--danger) 72%,var(--ink))}.ipa-hero-meta h1{margin:0 0 4px}.ipa-hero-meta .btn{margin-top:8px}.ipa-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:16px}.ipa-card h2{font-size:17px;margin:0 0 10px}.ipa-mistake{color:var(--ink-2);margin-top:10px}.ipa-example-list{list-style:none;margin:0;padding:0}.ipa-example-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line)}.ipa-example-item:last-child{border-bottom:none}.ipa-example-meaning{color:var(--muted);margin-left:4px}.ipa-pair{padding:8px 0;border-bottom:1px solid var(--line)}.ipa-pair:last-child{border-bottom:none}.ipa-pair-words{display:flex;align-items:center;gap:12px;margin-bottom:4px}.ipa-pair-btn{font-weight:600}.ipa-practice{border-color:var(--accent)}.ipa-word-picker{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.ipa-word-chip{border-radius:999px}.ipa-word-chip.is-selected{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.ipa-record-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:8px}.ipa-record-btn.is-recording{background:var(--danger);border-color:var(--danger);animation:ipa-pulse 1.2s ease-in-out infinite}@keyframes ipa-pulse{0%,to{opacity:1}50%{opacity:.65}}.ipa-playback{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}.ipa-playback audio{height:36px}.ipa-score-card{margin-top:16px;padding:16px 18px;border-radius:14px;border:1px solid var(--line);background:var(--surface-2)}.ipa-score-great{border-color:var(--ok);background:var(--ok-soft)}.ipa-score-ok{border-color:var(--warn);background:var(--warn-soft)}.ipa-score-low{border-color:var(--danger);background:var(--danger-soft)}.ipa-score-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}.ipa-score-emoji{font-size:28px}.ipa-score-value{font-size:28px;font-weight:800}.ipa-score-flag{font-size:13px;font-weight:600;padding:2px 10px;border-radius:999px}.ipa-score-flag.ok{background:var(--ok);color:#fff}.ipa-score-flag.no{background:var(--danger);color:#fff}.ipa-score-feedback{margin:6px 0;font-weight:600}.ipa-score-tips{margin:6px 0 0;color:var(--ink-2)}@media (max-width: 600px){.ipa-hero-symbol{width:76px;height:76px;font-size:34px}.ipa-sound-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr))}}.speaking-eyebrow{margin:0 0 6px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.speaking-step-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.speaking-step-card{display:flex;flex-direction:column;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);text-decoration:none;transition:transform .15s ease,border-color .15s ease}.speaking-step-card:not(.is-coming-soon):hover{transform:translateY(-3px);border-color:var(--accent)}.speaking-step-card.is-coming-soon{cursor:not-allowed;border-style:dashed;box-shadow:none}.speaking-step-top,.speaking-step-progress,.speaking-prompt-meta,.speaking-inline-actions,.speaking-page-actions{display:flex;align-items:center;gap:10px}.speaking-step-top,.speaking-step-progress{justify-content:space-between}.speaking-step-badges{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:wrap}.speaking-step-number{display:grid;width:26px;height:26px;place-items:center;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-size:13px;font-weight:800}.speaking-step-level,.speaking-prompt-meta span{padding:3px 9px;border-radius:999px;background:var(--surface-2);color:var(--ink-3);font-size:12px;font-weight:700}.speaking-coming-soon{padding:3px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:800}.speaking-step-icon{display:grid;width:40px;height:40px;margin-top:12px;place-items:center;border-radius:11px;background:var(--accent-soft);color:var(--accent);font-size:17px;font-weight:900}.speaking-step-card h2{margin:10px 0 4px;font-size:16px}.speaking-step-card>p{flex:1;margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.45}.speaking-step-progress{border-top:1px solid var(--line);padding-top:10px;font-size:12px}.speaking-step-progress strong{color:var(--accent)}.speaking-practice-page{max-width:820px;margin:0 auto}.speaking-prompt-card{border-color:var(--accent)}.speaking-reference-text{margin:12px 0 8px;font-size:21px;font-weight:700;line-height:1.55}.shadowing-word{font-weight:500;transition:font-weight .05s linear}.shadowing-word.is-speaking{font-weight:900}.speaking-recorder-card .ipa-record-btn{margin-top:8px}.speaking-audio{display:block;width:min(100%,420px);height:38px;margin-top:14px}.speaking-word-result{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}.speaking-word-result span{padding:3px 7px;border-radius:6px;background:var(--ok-soft);color:var(--ok)}.speaking-word-result .is-wrong{background:var(--danger-soft);color:var(--danger);text-decoration:underline}.speaking-pair-large{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:12px}.speaking-pair-choice{padding:20px;font-size:24px;font-weight:800}.speaking-pair-choice.is-selected{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}.speaking-inline-actions{flex-wrap:wrap;margin-top:12px}.speaking-page-actions{justify-content:flex-end;margin-top:18px}.speaking-sample{margin:14px 0;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.speaking-sample summary{cursor:pointer;font-weight:700}.speaking-topic-select{display:grid;gap:6px;margin-bottom:14px;font-weight:700}.speaking-topic-select select{padding:10px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink)}.speaking-chat{display:grid;gap:10px;min-height:160px;max-height:460px;overflow:auto;margin-bottom:16px;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}.speaking-chat-turn{max-width:82%;padding:10px 13px;border-radius:12px;line-height:1.5}.speaking-chat-turn.user{justify-self:end;background:var(--accent);color:var(--accent-ink)}.speaking-chat-turn.assistant{justify-self:start;background:var(--surface);border:1px solid var(--line)}.minimal-pairs-page{max-width:940px}.minimal-pair-toolbar{display:grid;grid-template-columns:minmax(220px,1fr) minmax(240px,1.2fr) auto;align-items:end;gap:12px;margin-bottom:14px;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.minimal-pair-toolbar label{display:grid;gap:6px}.minimal-pair-toolbar label>span{color:var(--ink-2);font-size:12px;font-weight:700}.minimal-pair-toolbar select,.minimal-pair-toolbar input{width:100%;min-height:42px;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink);font:inherit}.minimal-pair-position{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;color:var(--muted);font-size:13px}.minimal-pair-position strong{color:var(--ink-2)}.minimal-pair-tip{margin-bottom:14px;padding:11px 14px;border-left:4px solid var(--accent);border-radius:8px;background:var(--accent-soft);color:var(--ink-2);line-height:1.5}.minimal-module-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.minimal-pair-runner .grammar-quiz-option-text{display:grid;gap:3px}.minimal-pair-runner .grammar-quiz-option-text strong{font-size:18px}.minimal-pair-runner .grammar-quiz-option-text small{color:var(--muted);font-size:13px}.minimal-pair-runner .grammar-quiz-option.is-correct .grammar-quiz-option-text small,.minimal-pair-runner .grammar-quiz-option.is-wrong .grammar-quiz-option-text small{color:currentColor}.minimal-pair-audio-prompt{display:grid;gap:12px;margin-bottom:16px}.minimal-pair-audio-prompt .btn{justify-self:start}.minimal-pair-practice-card .speaking-recorder-card{margin-top:4px}.minimal-pair-word-card{display:flex;min-height:210px;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:20px;border:2px solid var(--line);border-radius:16px;background:var(--surface);color:var(--ink);cursor:pointer;font:inherit;transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease}.minimal-pair-word-card:hover{transform:translateY(-2px);border-color:var(--accent)}.minimal-pair-word-card.is-selected{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.minimal-pair-word-label{color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.minimal-pair-word-card>strong{font-size:30px}.minimal-pair-answer{display:grid;min-height:48px;place-items:center;gap:3px;color:var(--accent);font-size:18px;font-weight:700}.minimal-pair-answer small{color:var(--muted);font-size:13px;font-weight:500}.minimal-pair-answer.is-hidden{min-width:150px;border-radius:8px;background:var(--surface-2);color:transparent;-webkit-user-select:none;user-select:none}.minimal-pair-answer.is-hidden small{color:transparent}.minimal-pair-select-hint{margin-top:4px;color:var(--muted);font-size:11px;font-weight:700}.minimal-pair-word-card.is-selected .minimal-pair-select-hint{color:var(--accent)}.minimal-pair-study-actions{display:flex;flex-wrap:wrap;gap:8px;margin:-2px 0 16px}@media (max-width: 700px){.speaking-step-grid{grid-template-columns:1fr}.speaking-reference-text{font-size:18px}.speaking-pair-large,.minimal-pair-toolbar{grid-template-columns:1fr}.minimal-pair-toolbar .btn{width:100%}}.mistake-stats{display:flex;flex-direction:column;gap:16px}.mistake-stats-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.mistake-stats-header h1{margin:0 0 4px;font-size:22px}.mistake-stats-empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:48px 20px;background:var(--surface);border:1px solid var(--line);border-radius:12px}.mistake-stats-empty-emoji{font-size:40px}.mistake-stats-empty h2{margin:0;font-size:18px}.mistake-stats-empty p{max-width:460px}.mistake-stats-empty-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}.mistake-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}@media (max-width: 760px){.mistake-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}.mistake-kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:2px;border-left:4px solid var(--accent)}.mistake-kpi--ok{border-left-color:var(--ok)}.mistake-kpi--warn{border-left-color:var(--warn)}.mistake-kpi--danger{border-left-color:var(--danger)}.mistake-kpi-value{font-size:28px;font-weight:800;line-height:1;color:var(--ink)}.mistake-kpi-label{font-size:13px;color:var(--muted)}.mistake-kpi-suffix{font-size:11px}.mistake-charts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}@media (max-width: 760px){.mistake-charts{grid-template-columns:1fr}}.mistake-card-wide{grid-column:span 2}@media (max-width: 760px){.mistake-card-wide{grid-column:span 1}}.mistake-source-empty{margin:12px 2px 4px}.mistake-source-footer{margin-top:10px;display:flex;justify-content:flex-end}.mistake-legend{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px 16px}.mistake-legend li{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink)}.mistake-legend li strong{margin-left:2px;color:var(--muted);font-weight:600}.mistake-legend-dot{width:10px;height:10px;border-radius:3px;flex:none}.mistake-weak-list,.mistake-recent-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.mistake-weak-list li{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:10px}.mistake-weak-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.mistake-weak-feature{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.mistake-weak-title{font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mistake-weak-count{flex:none;font-size:13px;font-weight:700;color:var(--danger);background:var(--danger-soft);padding:3px 10px;border-radius:999px}.mistake-recent-list{max-height:360px;overflow-y:auto;padding-right:4px}.mistake-recent-list li{padding:10px 12px;border:1px solid var(--line);border-radius:10px;display:flex;flex-direction:column;gap:4px}.mistake-recent-prompt{color:var(--ink);font-size:14px}.mistake-recent-kind{display:inline-block;font-size:11px;font-weight:600;color:var(--accent-soft-ink);background:var(--accent-soft);padding:1px 8px;border-radius:999px;margin-right:8px}.mistake-recent-answers{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px}.mistake-recent-wrong{color:var(--danger)}.mistake-recent-right{color:var(--ok)}.leaderboard{display:flex;flex-direction:column;gap:18px}.leaderboard-header h1{margin:0 0 4px;font-size:22px}.leaderboard-header p{margin:0;max-width:560px}.leaderboard-empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:36px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px}.leaderboard-empty-emoji{font-size:44px}.leaderboard-empty h2{margin:0;font-size:18px}.leaderboard-empty p{max-width:460px}.leaderboard-empty-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}.leaderboard-podium{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:end}.leaderboard-podium-card{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px 14px 16px;min-width:0}.leaderboard-podium-card--1{border-color:var(--accent);background:linear-gradient(180deg,var(--accent-soft),var(--surface));padding-top:30px;padding-bottom:22px;box-shadow:0 10px 30px var(--shadow)}.leaderboard-podium-card.is-me{outline:2px solid var(--accent);outline-offset:2px}.leaderboard-podium-medal{font-size:26px;line-height:1}.leaderboard-podium-card--1 .leaderboard-podium-medal{font-size:32px}.leaderboard-podium-name{font-size:14px;color:var(--ink);width:100%;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.leaderboard-podium-xp{font-weight:700;color:var(--accent-strong);font-size:15px}.leaderboard-podium-meta{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}.leaderboard-avatar{border-radius:50%;flex-shrink:0;overflow:hidden;background:linear-gradient(135deg,var(--accent),var(--accent-hover));color:var(--accent-ink);font-weight:700;display:inline-flex;align-items:center;justify-content:center;object-fit:cover}.leaderboard-avatar--sm{width:38px;height:38px;font-size:13px}.leaderboard-avatar--lg{width:60px;height:60px;font-size:20px}.leaderboard-podium-card--1 .leaderboard-avatar--lg{width:72px;height:72px;font-size:24px}.leaderboard-chip{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;color:var(--accent-soft-ink);background:var(--accent-soft);border-radius:999px;padding:3px 9px}.leaderboard-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.leaderboard-row{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 14px}.leaderboard-row.is-me{border-color:var(--accent);background:var(--accent-soft-2)}.leaderboard-rank{width:28px;text-align:center;flex-shrink:0;font-weight:700;font-size:14px;color:var(--ink-3)}.leaderboard-row-main{display:flex;flex-direction:column;min-width:0;flex:1}.leaderboard-row-name{font-size:14px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.leaderboard-you-tag{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--accent-ink);background:var(--accent);border-radius:999px;padding:2px 7px}.leaderboard-row-streak{font-size:13px;color:var(--warn);font-weight:600;flex-shrink:0}.leaderboard-row-xp{font-weight:700;color:var(--ink);font-size:14px;flex-shrink:0;min-width:72px;text-align:right}.leaderboard-me{display:flex;flex-direction:column;gap:6px;margin-top:4px}.leaderboard-me-label{padding-left:2px}@media (max-width: 560px){.leaderboard-podium{gap:8px}.leaderboard-podium-card{padding:16px 8px 12px}.leaderboard-row-level{display:none}.leaderboard-row-xp{min-width:60px}}.learn-next{margin-top:28px}.learn-next-title{font-size:15px;font-weight:700;color:var(--ink-2);margin:0 0 12px;animation:learn-next-fade .45s ease both}.learn-next-grid{display:grid;gap:10px}.learn-next-card{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:16px;background:var(--surface);border:1px solid var(--line);box-shadow:0 1px 2px var(--shadow);text-decoration:none;color:var(--ink);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;animation:learn-next-rise .55s cubic-bezier(.16,.84,.44,1) both;animation-delay:calc(var(--learn-next-i, 0) * .09s + .12s);will-change:transform,opacity}.learn-next-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px var(--shadow);border-color:var(--accent)}.learn-next-card:active{transform:translateY(0)}.learn-next-card.is-highlight{background:var(--accent-soft);border-color:var(--accent)}.learn-next-icon{flex-shrink:0;width:42px;height:42px;display:grid;place-items:center;font-size:22px;border-radius:12px;background:var(--surface-2)}.learn-next-card.is-highlight .learn-next-icon{background:var(--surface)}.learn-next-body{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}.learn-next-card-title{font-weight:600;font-size:15px;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.learn-next-card-sub{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.learn-next-meta{flex-shrink:0;font-size:12px;font-weight:600;color:var(--accent-soft-ink);background:var(--accent-soft);border-radius:999px;padding:3px 9px}.learn-next-tag{flex-shrink:0;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--accent-ink);background:var(--accent);border-radius:999px;padding:3px 8px}.learn-next-arrow{flex-shrink:0;font-size:18px;color:var(--muted);transition:transform .18s ease,color .18s ease}.learn-next-card:hover .learn-next-arrow{transform:translate(3px);color:var(--accent)}@keyframes learn-next-rise{0%{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes learn-next-fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion: reduce){.learn-next-title,.learn-next-card{animation:none;opacity:1;transform:none}}