.student-page{--study-ink: #292e2b;--study-muted: #656b65;--study-line: #dcded8;display:grid;gap:26px;width:min(100%,1120px);margin-inline:auto;min-width:0}.student-page .student-page-header{display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid #dcded8;border-radius:6px;padding:clamp(24px,3.5vw,40px);background:#f1f2ef;color:var(--study-ink)}.student-page-header .eyebrow{margin-bottom:12px;color:#55704d;font-size:.7rem;letter-spacing:.14em}.student-page-header h2{margin:0 0 10px;font-size:clamp(1.8rem,3vw,2.6rem);letter-spacing:-.04em;font-weight:650}.student-page-header .student-page-description{max-width:620px;margin:0;color:#52684f;font-size:.93rem;line-height:1.7}.student-page-count{flex-shrink:0;display:grid;gap:5px;border-left:1px solid #cedcc8;padding-left:28px}.student-page-count strong{font-size:3rem;line-height:1.1;font-weight:500;letter-spacing:-.06em}.student-page-count span{color:#52684f;font-size:.8rem}.student-page>.student-panel,.student-page .study-panel{border:1px solid var(--study-line);border-radius:6px;padding:clamp(18px,2.5vw,28px);background:#fff;box-shadow:none}.student-page .student-panel-header{margin-bottom:4px}.student-page .student-panel-header h3{margin:0;font-size:1.1rem;color:var(--study-ink)}.student-page .student-panel-header p:not(.eyebrow){margin:7px 0 0;color:var(--study-muted);font-size:.84rem;line-height:1.5}.student-page .student-empty{grid-column:1 / -1;padding:28px;border:1px dashed #dbe2d6;border-radius:6px;background:#fafbf7;color:var(--study-ink)}.student-page .student-empty p{margin:8px 0 0;font-size:.88rem;line-height:1.6}.student-page .muted{color:var(--study-muted)}.student-page .student-task-card{border:1px solid var(--study-line);border-radius:6px;background:#fff;padding:22px;box-shadow:none}.student-page .student-task-card strong{color:var(--study-ink);font-size:1.05rem;line-height:1.45;font-weight:650}.student-page .student-task-card .eyebrow{color:#67775e;font-size:.7rem;line-height:1.5;margin-bottom:8px}.student-page .student-task-card p.muted{font-size:.84rem;line-height:1.65;margin:8px 0 0}.student-page .student-task-card.finished{background:#f7faf4;border-color:#d0deca}.student-page :is(.primary-action,.primary-button){border:1px solid #244d40;border-radius:6px;background:#244d40;color:#fff;box-shadow:none;font-size:.84rem;font-weight:600;min-height:44px}.student-page :is(.secondary-button,.secondary-action){border:1px solid #dbe2d6;border-radius:6px;background:#fff;color:#35563f;font-size:.84rem;font-weight:600;min-height:44px}.student-page button:focus-visible,.student-page input:focus-visible,.student-page select:focus-visible,.student-page summary:focus-visible{outline:3px solid #7b9978;outline-offset:3px}.student-page .student-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.student-page .status-pill{font-size:.72rem;padding:5px 9px;font-weight:550}.student-page .student-search{display:grid;gap:8px;color:#5f705f;font-size:.8rem;width:min(100%,520px)}.student-search input{min-height:46px;border:1px solid #dbe2d6;border-radius:6px;background:#fff;font-size:.9rem}.student-page .study-toolbar{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap}.student-page .study-toolbar>span{color:var(--study-muted);font-size:.8rem}.student-page .study-disclosure{min-width:0;border:1px solid var(--study-line);border-radius:6px;background:#fff;padding:16px}.student-page .study-disclosure>summary{cursor:pointer;color:var(--study-ink);font-size:.88rem;font-weight:600}.student-page .study-disclosure[open]>summary{margin-bottom:16px}@media(max-width:650px){.student-page{gap:20px}.student-page .student-page-header{gap:16px;padding:24px 20px}.student-page-count{padding-left:16px;max-width:110px}.student-page-count strong{font-size:2.2rem}.student-page .student-card-grid{grid-template-columns:1fr}.student-page .student-panel-header,.student-page .student-resource-buttons{flex-wrap:wrap}.student-page .study-toolbar{align-items:stretch}}@media(prefers-reduced-motion:reduce){.student-page *,.student-page *:before,.student-page *:after{transition:none;scroll-behavior:auto}}:root[data-theme=dark] .student-page{--study-ink: #cad1cd;--study-muted: #999f99;--study-line: #343631}:root[data-theme=dark] .student-page .student-page-header{border-color:#343631;background-color:#232422;background-image:none;color:var(--study-ink)}:root[data-theme=dark] .student-page-header .eyebrow{color:#8ca983}:root[data-theme=dark] .student-page-header .student-page-description{color:#94ac91}:root[data-theme=dark] .student-page-count{border-left-color:#333f2e}:root[data-theme=dark] .student-page-count span{color:#94ac91}:root[data-theme=dark] .student-page>.student-panel,:root[data-theme=dark] .student-page .study-panel{border-color:var(--study-line);background-color:#181818;background-image:none;box-shadow:none}:root[data-theme=dark] .student-page .student-panel-header h3{color:var(--study-ink)}:root[data-theme=dark] .student-page .student-panel-header p:not(.eyebrow){color:var(--study-muted)}:root[data-theme=dark] .student-page .student-empty{border-color:#30352c;background-color:#1c1c1a;background-image:none;color:var(--study-ink)}:root[data-theme=dark] .student-page .muted{color:var(--study-muted)}:root[data-theme=dark] .student-page .student-task-card{border-color:var(--study-line);background-color:#181818;background-image:none;box-shadow:none}:root[data-theme=dark] .student-page .student-task-card strong{color:var(--study-ink)}:root[data-theme=dark] .student-page .student-task-card .eyebrow{color:#8b9c82}:root[data-theme=dark] .student-page .student-task-card.finished{background-color:#1c1e1a;background-image:none;border-color:#323d2d}:root[data-theme=dark] .student-page :is(.primary-action,.primary-button){border-color:#9cc8b8;background-color:#9cc8b8;background-image:none;color:#181818;box-shadow:none}:root[data-theme=dark] .student-page :is(.secondary-button,.secondary-action){border-color:#30352c;background-color:#181818;background-image:none;color:#9bc0a5}:root[data-theme=dark] .student-page button:focus-visible,:root[data-theme=dark] .student-page input:focus-visible,:root[data-theme=dark] .student-page select:focus-visible,:root[data-theme=dark] .student-page summary:focus-visible{outline-color:#678464}:root[data-theme=dark] .student-page .student-search{color:#90a290}:root[data-theme=dark] .student-search input{border-color:#30352c;background-color:#181818;background-image:none}:root[data-theme=dark] .student-page .study-toolbar>span{color:var(--study-muted)}:root[data-theme=dark] .student-page .study-disclosure{border-color:var(--study-line);background-color:#181818;background-image:none}:root[data-theme=dark] .student-page .study-disclosure>summary{color:var(--study-ink)}.library-page{--library-tint: rgba(52, 91, 70, .07);display:grid;gap:28px;max-width:1240px}.library-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;border-bottom:1px solid var(--border);padding-bottom:24px}.library-hero h2{max-width:24ch;margin:4px 0 10px;font-size:clamp(1.6rem,2.6vw,2.3rem);line-height:1.1;letter-spacing:-.02em;text-wrap:balance}.library-lede{max-width:62ch;margin:0;color:var(--ink-soft)}.library-toolbar{display:grid;gap:14px}.library-search{position:relative;display:block}.library-search svg{position:absolute;top:50%;left:16px;width:20px;height:20px;fill:none;stroke:var(--ink-soft);stroke-width:1.8;stroke-linecap:round;transform:translateY(-50%);pointer-events:none}.library-search input{width:100%;min-height:52px;border:1px solid var(--border);border-radius:8px;padding:12px 16px 12px 46px;background:var(--panel);font-size:1rem}.library-search input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--library-tint)}.library-filters{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px}.library-filters>label{display:grid;gap:4px;color:var(--ink-soft);font-size:.78rem}.library-filters select{min-height:38px}.library-kinds{display:inline-flex;overflow:hidden;border:1px solid var(--border);border-radius:8px;background:var(--panel)}.library-kinds button{min-height:38px;border:0;border-right:1px solid var(--border);padding:7px 14px;color:var(--ink-soft);background:transparent;font-weight:600;cursor:pointer}.library-kinds button:last-child{border-right:0}.library-kinds button:hover{color:var(--accent-dark);background:var(--library-tint)}.library-kinds button[aria-pressed=true]{color:#fff;background:var(--accent)}.library-summary{display:flex;align-items:center;gap:14px;margin:-12px 0 0;color:var(--ink-soft);font-size:.9rem;font-variant-numeric:tabular-nums}.library-section{display:grid;gap:18px}.library-section h3{display:flex;align-items:center;gap:14px;margin:0;font-size:1.05rem}.library-section h3:after{content:"";flex:1;border-top:1px solid var(--border)}.library-shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:30px 22px}.library-book{display:grid;gap:6px;border:0;padding:0;color:inherit;background:none;text-align:left;cursor:pointer}.library-book-cover{position:relative;display:flex;flex-direction:column;aspect-ratio:3 / 4;border-radius:3px 7px 7px 3px;padding:16px 16px 14px 24px;color:#f4efe4;background:var(--book-cover);box-shadow:inset 7px 0 #0003,inset 8px 0 #ffffff0f,0 12px 22px -14px #14181699;transition:transform .16s ease,box-shadow .16s ease}.library-book:hover .library-book-cover,.library-book:focus-visible .library-book-cover{transform:translateY(-4px);box-shadow:inset 7px 0 #0003,inset 8px 0 #ffffff0f,0 18px 26px -14px #141816b3}.library-book:focus-visible{outline:none}.library-book:focus-visible .library-book-cover{outline:2px solid var(--accent);outline-offset:3px}.library-book-level{align-self:flex-start;border:1px solid rgba(244,239,228,.5);border-radius:3px;padding:1px 6px;font-size:.7rem;font-weight:700;letter-spacing:.08em}.library-book-cover strong{display:-webkit-box;margin-top:auto;border-top:1px solid rgba(244,239,228,.3);padding-top:10px;overflow:hidden;font-size:1.1rem;font-weight:600;line-height:1.2;text-wrap:balance;-webkit-box-orient:vertical;-webkit-line-clamp:5}.library-book-school{margin-top:8px;overflow:hidden;font-size:.74rem;opacity:.78;text-overflow:ellipsis;white-space:nowrap}.library-book-meta{font-size:.85rem;font-weight:600}.library-book-copies{color:var(--ink-soft);font-size:.78rem}.library-list{margin:0;border-top:1px solid var(--border);padding:0;list-style:none}.library-list li{border-bottom:1px solid var(--border)}.library-row{display:grid;grid-template-columns:38px minmax(0,1fr) minmax(0,200px) 44px 44px;align-items:center;gap:14px;width:100%;border:0;padding:12px 10px;color:inherit;background:transparent;text-align:left;cursor:pointer}.library-row:hover{background:var(--panel-muted)}.library-row-icon{display:grid;width:38px;height:38px;place-items:center;border-radius:8px;color:var(--ink-soft);background:var(--panel-muted)}.library-row-icon[data-kind=folder]{color:var(--accent);background:var(--library-tint)}.library-row-icon svg,.library-tree-folder svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round}.library-row-main{display:grid;min-width:0}.library-row-main strong,.library-row-main small,.library-row-school{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.library-row-main small,.library-row-school,.library-row-copies{color:var(--ink-soft);font-size:.82rem}.library-row-level{font-size:.75rem;font-weight:700;letter-spacing:.06em}.library-row-copies{text-align:right;font-variant-numeric:tabular-nums}.library-empty{max-width:560px;border:1px dashed var(--border);border-radius:10px;padding:32px}.library-empty h3{margin:0 0 6px}.library-empty p{margin:0 0 16px;color:var(--ink-soft)}.library-drawer-backdrop{position:fixed;inset:0;z-index:40;background:#14181652}.library-drawer{position:absolute;top:0;right:0;bottom:0;display:grid;align-content:start;gap:20px;width:min(580px,100vw);overflow-y:auto;padding:36px 34px 44px;background:var(--panel);box-shadow:-24px 0 48px #14181624;animation:library-drawer-in .2s ease-out}@keyframes library-drawer-in{0%{transform:translate(32px);opacity:0}}@media(prefers-reduced-motion:reduce){.library-drawer{animation:none}.library-book-cover{transition:none}}.library-drawer-close{position:absolute;top:14px;right:14px;width:38px;height:38px;border:1px solid var(--border);border-radius:8px;color:var(--ink-soft);background:var(--panel);font-size:1.3rem;cursor:pointer}.library-drawer-header h2{margin:4px 0 8px;padding-right:40px;font-size:1.7rem;line-height:1.15;text-wrap:balance}.library-drawer-source{margin:0;color:var(--ink-soft);font-size:.88rem}.library-drawer-description{margin:0;max-width:60ch}.library-tags{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}.library-tags li{border:1px solid var(--border);border-radius:4px;padding:2px 9px;color:var(--ink-soft);font-size:.78rem}.library-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));margin:0;border-block:1px solid var(--border);padding:14px 0}.library-facts dt{color:var(--ink-soft);font-size:.75rem}.library-facts dd{margin:0;font-size:1.4rem;font-weight:600;font-variant-numeric:tabular-nums}.library-contents{display:grid;gap:10px}.library-contents h3,.library-copy h3{margin:0;font-size:1rem}.library-chapters{display:grid;gap:14px;margin:0;padding:0;list-style:none}.library-chapters li{display:grid;grid-template-columns:30px minmax(0,1fr);gap:8px}.library-chapter-number{color:var(--accent);font-size:1.05rem;font-weight:600;font-variant-numeric:tabular-nums}.library-chapters strong{display:block}.library-chapters small{color:var(--ink-soft)}.library-resource-list{display:grid;gap:3px;margin:6px 0 0;padding:0;list-style:none;font-size:.86rem}.library-resource-list span{display:inline-block;min-width:96px;color:var(--ink-soft);font-size:.75rem}.library-tree{display:grid;gap:10px;margin:0;padding:0;list-style:none}.library-tree li{padding-left:calc(var(--depth, 0) * 20px)}.library-tree-folder{display:flex;align-items:center;gap:8px;font-weight:600}.library-tree-folder svg{width:17px;height:17px;color:var(--accent)}.library-tree .library-resource-list{margin-left:25px}.library-resource-summary{margin:0;font-weight:600}.library-excerpt{margin:0;border-left:3px solid var(--accent);padding:2px 0 2px 14px;color:#3b413d}.library-unavailable{margin:0;border-radius:8px;padding:12px 14px;color:var(--answer-incorrect-text, #8a3325);background:var(--answer-incorrect-background, #fbe3df)}.library-copy{display:grid;gap:12px;border-radius:10px;padding:18px;background:var(--panel-muted)}.library-copy p{margin:0}.library-copy label{display:grid;gap:5px;font-size:.85rem;font-weight:600}.library-copy .primary-action{justify-self:start}.library-copied{display:grid;gap:8px;justify-items:start;border:1px solid var(--answer-correct-border, #4a9762);border-radius:10px;padding:16px 18px;background:var(--answer-correct-background, #dff3e5)}.library-copied p{margin:0}.library-drawer-manage{display:flex;flex-wrap:wrap;align-items:center;gap:12px;border-top:1px solid var(--border);padding-top:16px}.library-drawer-manage span{flex:1;color:var(--ink-soft);font-size:.85rem}.library-share-backdrop{z-index:50}.library-share-dialog{width:min(660px,100%)}.library-share-kinds{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0;border:0;padding:0}.library-share-kinds legend{margin-bottom:8px;font-weight:600}.library-share-kinds label{position:relative;display:grid;gap:2px;border:1px solid var(--border);border-radius:8px;padding:12px;cursor:pointer}.library-share-kinds label.active{border-color:var(--accent);background:var(--library-tint, rgba(52, 91, 70, .07))}.library-share-kinds label:focus-within{outline:2px solid var(--accent);outline-offset:2px}.library-share-kinds input{position:absolute;opacity:0;pointer-events:none}.library-share-kinds small{color:var(--ink-soft);font-size:.78rem;line-height:1.35}.library-share-source{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.library-share-wide{grid-column:1 / -1}.library-share-meta{display:grid;grid-template-columns:120px minmax(0,1fr) minmax(0,1.4fr);gap:12px}@media(max-width:760px){.library-hero{grid-template-columns:minmax(0,1fr)}.library-hero .primary-action{justify-self:start}.library-shelf{grid-template-columns:repeat(auto-fill,minmax(136px,1fr));gap:22px 14px}.library-row{grid-template-columns:38px minmax(0,1fr) 36px}.library-row-school,.library-row-copies{display:none}.library-drawer{padding:28px 18px 36px}.library-share-kinds,.library-share-source,.library-share-meta{grid-template-columns:minmax(0,1fr)}}:root[data-theme=dark] .library-page{--library-tint: #93bda512}:root[data-theme=dark] .library-hero{border-bottom-color:var(--border)}:root[data-theme=dark] .library-lede{color:var(--ink-soft)}:root[data-theme=dark] .library-search svg{fill:none;stroke:var(--ink-soft)}:root[data-theme=dark] .library-search input{border-color:var(--border);background-color:var(--panel);background-image:none}:root[data-theme=dark] .library-search input:focus{border-color:var(--accent);outline-color:currentcolor;box-shadow:0 0 0 3px var(--library-tint)}:root[data-theme=dark] .library-filters>label{color:var(--ink-soft)}:root[data-theme=dark] .library-kinds{border-color:var(--border);background-color:var(--panel);background-image:none}:root[data-theme=dark] .library-kinds button{border-color:currentcolor;border-right-color:var(--border);color:var(--ink-soft);background-color:transparent;background-image:none}:root[data-theme=dark] .library-kinds button:last-child{border-right-color:currentcolor}:root[data-theme=dark] .library-kinds button:hover{color:var(--accent-dark);background-color:var(--library-tint);background-image:none}:root[data-theme=dark] .library-kinds button[aria-pressed=true]{color:#181818;background-color:var(--accent);background-image:none}:root[data-theme=dark] .library-summary{color:var(--ink-soft)}:root[data-theme=dark] .library-section h3:after{border-top-color:var(--border)}:root[data-theme=dark] .library-book{border-color:currentcolor;color:inherit;background-color:transparent;background-image:none}:root[data-theme=dark] .library-book-cover{color:#29251d;background-color:var(--book-cover);background-image:none;box-shadow:inset 7px 0 #00000070,inset 8px 0 #ffffff01,0 12px 22px -14px #000}:root[data-theme=dark] .library-book:hover .library-book-cover,:root[data-theme=dark] .library-book:focus-visible .library-book-cover{box-shadow:inset 7px 0 #00000070,inset 8px 0 #ffffff01,0 18px 26px -14px #000}:root[data-theme=dark] .library-book:focus-visible{outline-color:currentcolor}:root[data-theme=dark] .library-book:focus-visible .library-book-cover{outline-color:var(--accent)}:root[data-theme=dark] .library-book-level{border-color:#29251d80}:root[data-theme=dark] .library-book-cover strong{border-top-color:#29251d4d}:root[data-theme=dark] .library-book-copies{color:var(--ink-soft)}:root[data-theme=dark] .library-list{border-top-color:var(--border)}:root[data-theme=dark] .library-list li{border-bottom-color:var(--border)}:root[data-theme=dark] .library-row{border-color:currentcolor;color:inherit;background-color:transparent;background-image:none}:root[data-theme=dark] .library-row:hover{background-color:var(--panel-muted);background-image:none}:root[data-theme=dark] .library-row-icon{color:var(--ink-soft);background-color:var(--panel-muted);background-image:none}:root[data-theme=dark] .library-row-icon[data-kind=folder]{color:var(--accent);background-color:var(--library-tint);background-image:none}:root[data-theme=dark] .library-row-icon svg,:root[data-theme=dark] .library-tree-folder svg{fill:none;stroke:currentColor}:root[data-theme=dark] .library-row-main small,:root[data-theme=dark] .library-row-school,:root[data-theme=dark] .library-row-copies{color:var(--ink-soft)}:root[data-theme=dark] .library-empty{border-color:var(--border)}:root[data-theme=dark] .library-empty p{color:var(--ink-soft)}:root[data-theme=dark] .library-drawer-backdrop{background-color:#dae0dd52;background-image:none}:root[data-theme=dark] .library-drawer{background-color:var(--panel);background-image:none;box-shadow:-24px 0 48px #0005}:root[data-theme=dark] .library-drawer-close{border-color:var(--border);color:var(--ink-soft);background-color:var(--panel);background-image:none}:root[data-theme=dark] .library-drawer-source{color:var(--ink-soft)}:root[data-theme=dark] .library-tags li{border-color:var(--border);color:var(--ink-soft)}:root[data-theme=dark] .library-facts{border-block-color:var(--border)}:root[data-theme=dark] .library-facts dt{color:var(--ink-soft)}:root[data-theme=dark] .library-chapter-number{color:var(--accent)}:root[data-theme=dark] .library-chapters small{color:var(--ink-soft)}:root[data-theme=dark] .library-resource-list span{color:var(--ink-soft)}:root[data-theme=dark] .library-tree-folder svg{color:var(--accent)}:root[data-theme=dark] .library-excerpt{border-left-color:var(--accent);color:#bbc2be}:root[data-theme=dark] .library-unavailable{color:var(--answer-incorrect-text, #f3917f);background-color:var(--answer-incorrect-background, #372623);background-image:none}:root[data-theme=dark] .library-copy{background-color:var(--panel-muted);background-image:none}:root[data-theme=dark] .library-copied{border-color:var(--answer-correct-border, #4b9863);background-color:var(--answer-correct-background, #1c2c21);background-image:none}:root[data-theme=dark] .library-drawer-manage{border-top-color:var(--border)}:root[data-theme=dark] .library-drawer-manage span{color:var(--ink-soft)}:root[data-theme=dark] .library-share-kinds{border-color:currentcolor}:root[data-theme=dark] .library-share-kinds label{border-color:var(--border)}:root[data-theme=dark] .library-share-kinds label.active{border-color:var(--accent);background-color:var(--library-tint, #93bda512);background-image:none}:root[data-theme=dark] .library-share-kinds label:focus-within{outline-color:var(--accent)}:root[data-theme=dark] .library-share-kinds small{color:var(--ink-soft)}.live-word-layer{position:fixed;inset:0;z-index:2000;overflow:hidden;pointer-events:none}.live-word-mark{position:absolute;border-bottom:3px solid var(--live-mark-color);border-radius:4px;background:color-mix(in srgb,var(--live-mark-color) 24%,transparent)}.live-session-bar{position:fixed;top:8px;left:50%;z-index:1900;display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;max-width:calc(100vw - 32px);border:1px solid var(--border, #dcded8);border-radius:999px;padding:5px 8px 5px 14px;color:#1d211f;background:#fffffff5;box-shadow:0 6px 18px #00000029;font-size:.85rem;transform:translate(-50%)}.live-session-bar .muted{color:var(--ink-soft, #656b65)}.live-session-bar.is-stream-window{top:auto;bottom:8px;left:8px;transform:none}.live-dot{width:9px;height:9px;border-radius:50%;background:#a3a8a3}.live-dot.on{background:#16a34a;box-shadow:0 0 0 3px #16a34a33}.live-participants{display:inline-flex;flex-wrap:wrap;gap:4px}.live-participant{border-radius:999px;padding:1px 8px;color:#fff;background:var(--live-mark-color);font-size:.78rem;font-weight:700}.live-error{color:#b42318}.live-session-actions{display:inline-flex;flex-wrap:wrap;align-items:center;gap:6px}.live-session-actions .text-button,.live-session-actions .secondary-button{min-height:30px}.live-invite{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;margin-bottom:16px;border:1px solid #b7d7c4;border-radius:12px;padding:12px 16px;background:#ecf6ef}.live-invite strong{display:block}.lesson-action-link.live-mode-on{border-color:#16a34a;color:#fff;background:#16a34a}@media(max-width:640px){.live-session-bar{top:auto;bottom:calc(8px + env(safe-area-inset-bottom));border-radius:14px;width:calc(100vw - 16px)}}:root[data-theme=dark] .live-word-mark{border-bottom-color:var(--live-mark-color);background-color:color-mix(in srgb,var(--live-mark-color) 24%,transparent);background-image:none}:root[data-theme=dark] .live-session-bar{border-color:var(--border, #343631);color:#d4dad7;background-color:#181818f5;background-image:none;box-shadow:0 6px 18px #0000005e}:root[data-theme=dark] .live-session-bar .muted{color:var(--ink-soft, #999f99)}:root[data-theme=dark] .live-dot{background-color:#636863;background-image:none}:root[data-theme=dark] .live-dot.on{background-color:#009c43;background-image:none;box-shadow:0 0 0 3px #009c4333}:root[data-theme=dark] .live-participant{color:#181818;background-color:var(--live-mark-color);background-image:none}:root[data-theme=dark] .live-error{color:#fb715f}:root[data-theme=dark] .live-invite{border-color:#2e4a3a;background-color:#1d241f;background-image:none}:root[data-theme=dark] .lesson-action-link.live-mode-on{border-color:#009c43;color:#181818;background-color:#009c43;background-image:none}.app-layout[data-student=true]{grid-template-columns:224px minmax(0,1fr);background:#f7f7f5}.app-layout[data-student=true].sidebar-hidden{grid-template-columns:minmax(0,1fr)}[data-student=true]>.sidebar{position:sticky;top:0;align-self:start;height:100dvh;padding:30px 16px;background:#fff;border-color:#dcded8;overflow-y:auto}[data-student=true] .brand{padding:0 10px 24px;margin:0 0 22px;border-bottom:1px solid #e7e8e3;color:#254c3d;font-weight:650;letter-spacing:-.035em}[data-student=true] .sidebar nav{gap:8px}[data-student=true] .nav-link{display:flex;align-items:center;gap:12px;min-height:48px;padding:12px 14px;border:1px solid transparent;border-radius:6px;color:#5e7063;font-size:.87rem;font-weight:550}[data-student=true] .nav-link svg{width:20px;height:20px;flex-shrink:0}[data-student=true] .nav-link:hover{background:#f3f6ee;color:#254c3d}[data-student=true] .nav-link.active{color:#244d40;background:#e9ede9;border-color:#dde7d5;font-weight:650}[data-student=true] .nav-link:focus-visible{outline:3px solid #7b9978;outline-offset:2px}[data-student=true]>.workspace{min-width:0;padding:26px clamp(20px,3vw,44px) 44px}[data-student=true] .topbar{max-width:1120px;margin:0 auto 26px;padding:0 0 18px;border-bottom:1px solid #dcded8}[data-student=true] .topbar h1{color:#292e2b;font-size:1.1rem;font-weight:600}[data-student=true] .topbar .eyebrow{margin-bottom:5px;text-transform:none;letter-spacing:0;color:#6b786b;font-size:.76rem}[data-student=true] .topbar>button{min-height:40px;color:#596b5c;font-size:.8rem}@media(max-width:900px){.app-layout[data-student=true]{grid-template-columns:minmax(0,1fr)}[data-student=true]>.sidebar{position:static;height:auto;min-width:0;padding:16px 16px 10px;border-right:0;border-bottom:1px solid #dcded8}[data-student=true] .brand{border:0;margin:0 0 10px;padding:0 6px;font-size:.95rem}[data-student=true] .sidebar nav{display:flex;overflow-x:auto;gap:5px;padding:3px 3px 9px}[data-student=true] .nav-link{flex:0 0 auto;gap:8px;min-height:44px;padding:10px 12px;white-space:nowrap}[data-student=true] .nav-link svg{width:17px;height:17px}[data-student=true]>.workspace{padding:20px 16px 32px}[data-student=true] .topbar{margin-bottom:20px}}:root[data-theme=dark] .app-layout[data-student=true]{background-color:#1f1f1e;background-image:none}:root[data-theme=dark] [data-student=true]>.sidebar{background-color:#181818;background-image:none;border-color:#343631}:root[data-theme=dark] [data-student=true] .brand{border-bottom-color:#2c2d29;color:#9ec8b6}:root[data-theme=dark] [data-student=true] .nav-link{border-color:transparent;color:#8ea194}:root[data-theme=dark] [data-student=true] .nav-link:hover{background-color:#20221c;background-image:none;color:#9ec8b6}:root[data-theme=dark] [data-student=true] .nav-link.active{color:#9cc8b8;background-color:#262926;background-image:none;border-color:#2b3325}:root[data-theme=dark] [data-student=true] .nav-link:focus-visible{outline-color:#678464}:root[data-theme=dark] [data-student=true] .topbar{border-bottom-color:#343631}:root[data-theme=dark] [data-student=true] .topbar h1{color:#cad1cd}:root[data-theme=dark] [data-student=true] .topbar .eyebrow{color:#8b988b}:root[data-theme=dark] [data-student=true] .topbar>button{color:#93a696}@media(max-width:900px){:root[data-theme=dark] [data-student=true]>.sidebar{border-right-color:currentcolor;border-bottom-color:#343631}}@media(max-width:900px){:root[data-theme=dark] [data-student=true] .brand{border-color:currentcolor}}.speaking-cards-stage{display:grid;justify-items:center;gap:22px;width:100%}.speaking-cards-prompt{margin:0;font-size:clamp(1.4rem,3vw,2.4rem);text-align:center}.speaking-decks{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:clamp(14px,2.4vw,26px);width:min(100%,1120px)}.speaking-deck{--deck-color: #3b82f6;position:relative;display:grid;align-content:center;justify-items:center;gap:10px;min-height:clamp(150px,26vh,280px);border:2px solid color-mix(in srgb,var(--deck-color) 70%,transparent);border-radius:14px;padding:22px 18px;color:#f8faf8;background:color-mix(in srgb,var(--deck-color) 24%,#16221d);box-shadow:6px 6px 0 -1px color-mix(in srgb,var(--deck-color) 35%,#16221d),12px 12px 0 -2px color-mix(in srgb,var(--deck-color) 18%,#16221d);font:inherit;text-align:center;cursor:pointer;transition:transform .16s ease,background .16s ease}.speaking-deck strong{font-size:clamp(1.35rem,2.8vw,2.2rem);font-weight:820;line-height:1.15}.speaking-deck small{color:#dce8df;font-size:.95rem;font-weight:650}.speaking-deck:hover:not(:disabled),.speaking-deck:focus-visible{transform:translate(-2px,-3px);background:color-mix(in srgb,var(--deck-color) 36%,#16221d)}.speaking-deck:focus-visible{outline:3px solid #f8faf8;outline-offset:3px}.speaking-deck:disabled{cursor:default;opacity:.55}.speaking-deck[aria-pressed=true]{border-color:#f8faf8}.speaking-deck-add{border-style:dashed;border-color:#ffffff59;background:#ffffff0a;box-shadow:none;font-weight:760}.speaking-card{--deck-color: #3b82f6;display:grid;grid-template-rows:auto 1fr;gap:18px;width:min(100%,960px);min-height:clamp(240px,42vh,460px);border:2px solid var(--deck-color);border-radius:18px;padding:clamp(22px,4vw,48px);color:#16221d;background:#fbfaf5;box-shadow:0 18px 50px #00000059,inset 0 10px 0 var(--deck-color);animation:speaking-card-in .32s ease-out}.speaking-card-deck{justify-self:start;border-radius:999px;padding:5px 14px;color:#fff;background:var(--deck-color);font-size:clamp(.9rem,1.6vw,1.1rem);font-weight:760}.speaking-card-question{align-self:center;margin:0;font-size:clamp(1.8rem,4.4vw,3.8rem);font-weight:820;line-height:1.15;text-align:center}.speaking-card-notes{width:min(100%,960px)}.speaking-cards-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.speaking-cards-count{margin:0;color:#dce8df}.stream-frame .speaking-cards-actions,.stream-frame .speaking-cards-count{display:none}.speaking-deck-editor{--deck-color: #3b82f6;display:grid;gap:12px;width:min(100%,960px);border:1px solid color-mix(in srgb,var(--deck-color) 60%,transparent);border-left-width:6px;border-radius:8px;padding:16px;background:#ffffff0d}.speaking-deck-editor label{display:grid;gap:6px;color:#dce8df;font-weight:760}.speaking-deck-editor textarea{resize:vertical;line-height:1.5}.speaking-deck-editor-top{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px}.speaking-deck-editor-top label{flex:1 1 260px}.speaking-cards-editor .speaking-deck{min-height:110px}@keyframes speaking-card-in{0%{opacity:0;transform:translateY(18px) rotate(-1.5deg) scale(.96)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.speaking-card{animation:none}.speaking-deck{transition:none}}:root[data-theme=dark] .speaking-deck{--deck-color: #367df1;border-color:color-mix(in srgb,var(--deck-color) 70%,transparent);color:#1c1d1c;background-color:color-mix(in srgb,var(--deck-color) 24%,#cdddd6);background-image:none;box-shadow:6px 6px 0 -1px color-mix(in srgb,var(--deck-color) 35%,#000000),12px 12px 0 -2px color-mix(in srgb,var(--deck-color) 18%,#000000)}:root[data-theme=dark] .speaking-deck small{color:#28322b}:root[data-theme=dark] .speaking-deck:hover:not(:disabled),:root[data-theme=dark] .speaking-deck:focus-visible{background-color:color-mix(in srgb,var(--deck-color) 36%,#cdddd6);background-image:none}:root[data-theme=dark] .speaking-deck:focus-visible{outline-color:#1c1d1c}:root[data-theme=dark] .speaking-deck[aria-pressed=true]{border-color:#1c1d1c}:root[data-theme=dark] .speaking-deck-add{border-color:#18181859;background-color:#1818180a;background-image:none;box-shadow:none}:root[data-theme=dark] .speaking-card{--deck-color: #367df1;border-color:var(--deck-color);color:#cdddd6;background-color:#1d1d19;background-image:none;box-shadow:0 18px 50px #000000b5,inset 0 10px 0 var(--deck-color)}:root[data-theme=dark] .speaking-card-deck{color:#181818;background-color:var(--deck-color);background-image:none}:root[data-theme=dark] .speaking-cards-count{color:#28322b}:root[data-theme=dark] .speaking-deck-editor{--deck-color: #367df1;border-color:color-mix(in srgb,var(--deck-color) 60%,transparent);background-color:#1818180d;background-image:none}:root[data-theme=dark] .speaking-deck-editor label{color:#28322b}.admin-monitoring{display:grid;gap:18px;color:#1d211f}.admin-monitoring-header,.admin-monitoring-panel-title{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.admin-monitoring-header{border:1px solid var(--border);border-radius:6px;padding:22px;background:#fff}.admin-monitoring-header h2,.admin-monitoring-panel h3{margin:0 0 6px}.admin-monitoring-refresh{display:grid;justify-items:end;gap:8px;color:var(--ink-soft);white-space:nowrap}.admin-monitoring-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.admin-monitoring-metrics>div{display:grid;gap:5px;border:1px solid var(--border);border-radius:6px;padding:15px;background:#fff}.admin-monitoring-metrics span,.admin-monitoring-metrics small{color:var(--ink-soft)}.admin-monitoring-metrics strong{font-size:1.55rem}.admin-monitoring-panel{border:1px solid var(--border);border-radius:6px;padding:18px;background:#fff}.admin-resource-counts{display:grid;grid-template-columns:repeat(6,minmax(90px,1fr));gap:8px;margin-top:14px}.admin-resource-counts>div{display:grid;gap:3px;border:1px solid var(--border);border-radius:6px;padding:12px;background:#f7f7f5}.admin-resource-counts strong{font-size:1.25rem}.admin-resource-counts span{color:var(--ink-soft);font-size:.78rem}.admin-monitoring-search{display:grid;gap:6px;max-width:520px;font-weight:700}.admin-monitoring-search input{min-height:42px;border:1px solid var(--border);border-radius:6px;padding:8px 12px;background:#fff}.admin-monitoring-filters{display:flex;flex-wrap:wrap;gap:6px}.admin-monitoring-filters button{min-height:34px;border:1px solid var(--border);border-radius:6px;padding:6px 10px;color:var(--ink-soft);background:#fff}.admin-monitoring-filters button.active{border-color:var(--accent);color:#fff;background:var(--accent)}.admin-monitoring-table-wrap{overflow-x:auto;margin-top:14px;border:1px solid var(--border);border-radius:6px}.admin-monitoring-table{width:100%;border-collapse:collapse;font-size:.82rem}.admin-monitoring-table th,.admin-monitoring-table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.admin-monitoring-table th{color:var(--ink-soft);background:#f7f7f5;font-size:.72rem;text-transform:uppercase;letter-spacing:.04em}.admin-monitoring-table tr:last-child td{border-bottom:0}.admin-monitoring-table td>strong,.admin-monitoring-table td>small{display:block}.admin-monitoring-table td>small{margin-top:3px;color:var(--ink-soft)}.admin-status,.admin-event-category{display:inline-block;border-radius:999px;padding:3px 8px;font-size:.72rem;font-weight:750;white-space:nowrap}.admin-status.active,.admin-event-category.learning{color:#235b3f;background:#e0f1e6}.admin-status.inactive{color:#656b65;background:#eceeeb}.admin-event-category.creation{color:#3f4f75;background:#e7ecf7}.admin-monitoring-empty{padding:24px!important;color:var(--ink-soft);text-align:center!important}.admin-load-more{display:block;margin:14px auto 0}@media(max-width:1000px){.admin-monitoring-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-resource-counts{grid-template-columns:repeat(3,minmax(90px,1fr))}}@media(max-width:640px){.admin-monitoring-header,.admin-monitoring-panel-title{flex-direction:column}.admin-monitoring-refresh{justify-items:start}.admin-monitoring-metrics{grid-template-columns:1fr}.admin-resource-counts{grid-template-columns:repeat(2,minmax(90px,1fr))}}:root[data-theme=dark] .admin-monitoring{color:#d4dad7}:root[data-theme=dark] .admin-monitoring-header{border-color:var(--border);background-color:#181818;background-image:none}:root[data-theme=dark] .admin-monitoring-refresh{color:var(--ink-soft)}:root[data-theme=dark] .admin-monitoring-metrics>div{border-color:var(--border);background-color:#181818;background-image:none}:root[data-theme=dark] .admin-monitoring-metrics span,:root[data-theme=dark] .admin-monitoring-metrics small{color:var(--ink-soft)}:root[data-theme=dark] .admin-monitoring-panel{border-color:var(--border);background-color:#181818;background-image:none}:root[data-theme=dark] .admin-resource-counts>div{border-color:var(--border);background-color:#1f1f1e;background-image:none}:root[data-theme=dark] .admin-resource-counts span{color:var(--ink-soft)}:root[data-theme=dark] .admin-monitoring-search input{border-color:var(--border);background-color:#181818;background-image:none}:root[data-theme=dark] .admin-monitoring-filters button{border-color:var(--border);color:var(--ink-soft);background-color:#181818;background-image:none}:root[data-theme=dark] .admin-monitoring-filters button.active{border-color:var(--accent);color:#181818;background-color:var(--accent);background-image:none}:root[data-theme=dark] .admin-monitoring-table-wrap{border-color:var(--border)}:root[data-theme=dark] .admin-monitoring-table th,:root[data-theme=dark] .admin-monitoring-table td{border-bottom-color:var(--border)}:root[data-theme=dark] .admin-monitoring-table th{color:var(--ink-soft);background-color:#1f1f1e;background-image:none}:root[data-theme=dark] .admin-monitoring-table tr:last-child td{border-bottom-color:currentcolor}:root[data-theme=dark] .admin-monitoring-table td>small{color:var(--ink-soft)}:root[data-theme=dark] .admin-status.active,:root[data-theme=dark] .admin-event-category.learning{color:#8ac3a2;background-color:#1f2c24;background-image:none}:root[data-theme=dark] .admin-status.inactive{color:#999f99;background-color:#262825;background-image:none}:root[data-theme=dark] .admin-event-category.creation{color:#9fb2de;background-color:#252830;background-image:none}:root[data-theme=dark] .admin-monitoring-empty{color:var(--ink-soft)}.admin-insights{--chart-mark: #2e7d4f;--chart-track: #eef1ed;--chart-grid: #e4e6e1;display:grid;grid-template-columns:minmax(0,1fr);gap:18px;color:#1d211f}.admin-insights .admin-monitoring-panel-title>button{flex:none;width:auto}.admin-insights-header{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;border:1px solid var(--border);border-radius:6px;padding:22px;background:#fff}.admin-insights-header h2{margin:0 0 6px}.admin-insights-controls{display:grid;justify-items:end;gap:12px}.admin-insights-tiles{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}.admin-insights-tile{display:grid;align-content:start;gap:4px;border:1px solid var(--border);border-radius:6px;padding:15px;background:#fff}.admin-insights-tile>span,.admin-insights-tile>small{color:var(--ink-soft)}.admin-insights-tile>strong{font-size:1.7rem;font-variant-numeric:proportional-nums}.admin-insights-delta.good{color:#235b3f}.admin-insights-delta.bad{color:#9a3b2e}.admin-insights-delta{font-weight:700}.admin-insights-footnote{margin:-10px 0 0;color:var(--ink-soft);font-size:.82rem}.admin-insights-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:18px}.admin-insights-grid>.admin-monitoring-panel{margin:0}.admin-insights-funnel{display:grid;gap:14px;margin:4px 0 0;padding:0;list-style:none}.admin-insights-funnel li{display:grid;gap:5px}.admin-insights-funnel small{color:var(--ink-soft)}.admin-insights-funnel-label,.admin-insights-barlist-row{display:flex;justify-content:space-between;gap:12px}.admin-insights-bar-track{height:18px;border-radius:0 4px 4px 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18px}.demo-header{padding-inline:18px}.demo-choice-grid.two{grid-template-columns:1fr}.demo-feedback{grid-template-columns:1fr;gap:4px}.demo-navigation{padding-inline:16px}.demo-navigation span{font-size:.62rem}.demo-picture{max-height:190px}}@media(prefers-reduced-motion:reduce){.demo-stage{animation:none}.demo-progress i{transition:none}}:root[data-theme=dark] .exercise-intro>p:last-child{color:var(--landing-muted)}:root[data-theme=dark] .exercise-demo{border-color:var(--landing-line-strong);background-color:var(--landing-surface);background-image:none;box-shadow:0 24px 60px #afd5c517}:root[data-theme=dark] .demo-header{border-bottom-color:var(--landing-line)}:root[data-theme=dark] .demo-header span{color:var(--landing-muted)}:root[data-theme=dark] .demo-progress{background-color:var(--landing-green-soft);background-image:none}:root[data-theme=dark] .demo-progress i{background-color:var(--landing-green);background-image:none}:root[data-theme=dark] .demo-eyebrow{color:var(--landing-green)}:root[data-theme=dark] .demo-question{color:var(--landing-muted)}:root[data-theme=dark] .demo-choice{border-color:var(--landing-line-strong);color:var(--landing-ink);background-color:#181818;background-image:none}:root[data-theme=dark] .demo-choice:not(:disabled):hover{border-color:var(--landing-green);background-color:#1c1e1c;background-image:none}:root[data-theme=dark] .demo-choice.correct,:root[data-theme=dark] .demo-gap-sentence span.correct,:root[data-theme=dark] .demo-passage button.correct{border-color:#4b9863;color:#8ac69e;background-color:#1d271f;background-image:none}:root[data-theme=dark] .demo-choice.wrong,:root[data-theme=dark] .demo-gap-sentence span.wrong,:root[data-theme=dark] .demo-passage button.wrong{border-color:#bd6659;color:#ec9889;background-color:#312421;background-image:none}:root[data-theme=dark] .demo-statement,:root[data-theme=dark] .demo-speaking-prompt{border-color:currentcolor;border-left-color:var(--landing-green);color:var(--landing-ink)}:root[data-theme=dark] .demo-gap-sentence,:root[data-theme=dark] .demo-passage{color:var(--landing-ink)}:root[data-theme=dark] .demo-gap-sentence span,:root[data-theme=dark] .demo-passage button{border-color:currentcolor;border-bottom-color:var(--landing-green);color:var(--landing-green-dark);background-color:var(--landing-green-soft);background-image:none}:root[data-theme=dark] .demo-word-pool button,:root[data-theme=dark] .demo-order-line button{border-color:var(--landing-line-strong);color:var(--landing-ink);background-color:#181818;background-image:none}:root[data-theme=dark] .demo-word-pool button:not(:disabled):hover,:root[data-theme=dark] .demo-order-line button:hover{border-color:var(--landing-green)}:root[data-theme=dark] .demo-word-pool button:disabled{color:var(--landing-muted);background-color:#222321;background-image:none}:root[data-theme=dark] .demo-feedback{border-top-color:var(--landing-line);color:var(--landing-muted)}:root[data-theme=dark] .demo-feedback strong{color:var(--landing-ink)}:root[data-theme=dark] .demo-feedback.correct strong{color:#8ac69e}:root[data-theme=dark] .demo-feedback.wrong strong{color:#ec9889}:root[data-theme=dark] .demo-mistake-sentence button{border-color:transparent;color:var(--landing-ink);background-color:transparent;background-image:none}:root[data-theme=dark] .demo-mistake-sentence button:not(:disabled):hover,:root[data-theme=dark] .demo-mistake-sentence button.selected{border-color:var(--landing-green);background-color:var(--landing-green-soft);background-image:none}:root[data-theme=dark] .demo-input-label{color:var(--landing-muted)}:root[data-theme=dark] .demo-input-label input{border-color:var(--landing-line-strong)}:root[data-theme=dark] .demo-input-label input:focus{border-color:var(--landing-green);box-shadow:0 0 0 3px #94c5b11f}:root[data-theme=dark] .demo-check{border-color:var(--landing-green);color:#181818;background-color:var(--landing-green);background-image:none}:root[data-theme=dark] .demo-check:hover:not(:disabled){background-color:var(--landing-green-dark);background-image:none}:root[data-theme=dark] .demo-check:disabled{border-color:var(--landing-line-strong);color:var(--landing-muted);background-color:#222321;background-image:none}:root[data-theme=dark] .demo-order-line{border-bottom-color:var(--landing-line)}:root[data-theme=dark] .demo-order-line span{border-bottom-color:var(--landing-line-strong)}:root[data-theme=dark] .demo-speaking-prompt span{color:var(--landing-muted)}:root[data-theme=dark] .demo-picture{border-color:var(--landing-line)}:root[data-theme=dark] .demo-navigation{border-top-color:var(--landing-line)}:root[data-theme=dark] .demo-navigation button{border-color:var(--landing-line-strong);color:var(--landing-ink);background-color:#181818;background-image:none}:root[data-theme=dark] .demo-navigation button:hover:not(:disabled){border-color:var(--landing-green);color:var(--landing-green)}:root[data-theme=dark] .demo-navigation button:disabled{color:var(--landing-line-strong);background-color:#21211f;background-image:none}:root[data-theme=dark] .demo-navigation span{color:var(--landing-muted)}.real-essay-demo{overflow:hidden;border:1px solid var(--landing-line-strong, #b9c5bb);border-radius:5px;color:var(--landing-ink, #172019);background:#f7f8f5;box-shadow:0 22px 54px #17392d14}.real-essay-titlebar{display:flex;justify-content:space-between;align-items:end;gap:24px;min-height:76px;border-bottom:1px solid var(--landing-line, #dce2dc);padding:15px 22px;background:#fff}.real-essay-titlebar>div{display:grid;gap:2px}.real-essay-titlebar small,.real-essay-titlebar>span{color:var(--landing-muted, #667068);font-size:.68rem}.real-essay-titlebar strong{font-size:1.15rem}.real-essay-toolbar{display:flex;justify-content:space-between;align-items:center;gap:18px;border-bottom:1px solid var(--landing-line, #dce2dc);padding:9px 12px;background:#fff}.real-essay-toolbar>p{margin:0;color:var(--landing-muted, #667068);font-size:.7rem}.essay-toolbar-actions{display:flex}.essay-toolbar-actions{gap:6px}.essay-toolbar-actions button{min-height:42px;border:1px solid var(--landing-green, #245342);border-radius:3px;padding:7px 12px;color:#fff;background:var(--landing-green, #245342);font-size:.7rem;font-weight:650}.real-essay-workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,300px);gap:12px;min-height:610px;padding:12px}.real-essay-paper,.real-essay-notes{min-width:0;height:586px;overflow:auto;border:1px solid var(--landing-line, #dce2dc);border-radius:4px;background:#fff}.real-essay-paper{display:grid;align-content:start;grid-template-rows:auto 1fr auto;padding:24px 28px 18px}.essay-task-button{width:fit-content;min-height:40px;border:1px solid var(--landing-line-strong, #b9c5bb);border-radius:3px;padding:8px 12px;color:var(--landing-green-dark, #17392d);background:#fff;font-size:.7rem;font-weight:650}.real-essay-paper>p{align-self:center;width:100%;max-width:none;margin:34px 0;color:#242925;font-size:clamp(1.25rem,1.6vw,1.45rem);line-height:1.85;word-spacing:.18em}.real-essay-mark{display:inline-grid;min-height:0;border:0;border-bottom:2px solid #b84a3a;border-radius:0;padding:0 1px;color:inherit;background:transparent;font:inherit;line-height:inherit;vertical-align:baseline;word-spacing:inherit}.real-essay-mark>span{grid-area:1 / 1;white-space:nowrap}.real-essay-mark>span.is-hidden{visibility:hidden}.real-essay-mark:hover,.real-essay-mark:focus-visible{background:#f8e9e6}.real-essay-mark[aria-pressed=true]{border-bottom-color:#277249;color:#1f603d;background:#e6f2e9;font-weight:650}.real-essay-paper>footer{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--landing-line, #dce2dc);padding-top:13px;color:var(--landing-muted, #667068);font-size:.68rem}.real-essay-paper>footer 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#245342);outline-offset:2px}@media(max-width:900px){.real-essay-workspace{grid-template-columns:1fr}.real-essay-paper,.real-essay-notes{height:auto;max-height:none}.real-essay-notes{max-height:540px}}@media(max-width:620px){.real-essay-titlebar,.real-essay-toolbar{align-items:start;flex-direction:column;gap:7px}.essay-toolbar-actions{width:100%}.essay-toolbar-actions>*{flex:1}.real-essay-workspace{gap:8px;padding:8px}.real-essay-paper{padding:18px 16px}.real-essay-paper>p{width:100%;word-spacing:.08em}.real-essay-paper>footer{flex-direction:column}}.essay-practice{display:grid;min-height:560px;grid-template-rows:auto 1fr;background:#f7f7f5}.essay-practice>header{display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid #d8ded8;padding:16px 20px;background:#fff}.essay-practice>header>div{display:grid;gap:2px}.essay-practice>header small{color:#2f7a4b;font-size:.68rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.essay-practice>header strong{font-size:1.15rem}.essay-practice-back{min-height:40px;border:1px solid #b9c5bb;border-radius:5px;padding:8px 14px;color:#174f3c;background:#fff;font-size:.78rem;font-weight:650;white-space:nowrap;cursor:pointer}.essay-practice-back:hover{border-color:#245342;background:#edf5ef}.essay-practice-body{display:grid;align-content:start;gap:18px;width:min(100% - 40px,760px);margin:28px auto;border:1px solid #d8ded8;border-radius:8px;padding:clamp(22px,4vw,40px);background:#fff}.essay-practice-instruction{margin:0;color:#5f6b64;font-size:.86rem}.essay-practice-sentence{display:flex;flex-wrap:wrap;gap:8px;margin:0;font-family:Georgia,serif;font-size:clamp(1.3rem,2.6vw,1.8rem)}.essay-practice-sentence button{min-height:46px;border:1px solid #d0d8d1;border-radius:5px;padding:4px 10px;color:#17221d;background:#fbfcfa;font:inherit;cursor:pointer}.essay-practice-sentence button:hover:not(:disabled){border-color:#245342;background:#edf5ef}.essay-practice-sentence 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14px;font-size:.84rem}.essay-practice-feedback.correct{border-color:#2f7a4b;background:#e9f4ec}.essay-practice-feedback.wrong{border-color:#b35b4c;background:#fbeeeb}.essay-practice-feedback span{color:#4d5953}.essay-practice-note{color:#7a857e;font-size:.74rem}@media(max-width:600px){.essay-practice>header{align-items:flex-start;flex-direction:column}.essay-practice-body{width:calc(100% - 20px);margin:10px auto}}:root[data-theme=dark] .real-essay-demo{border-color:var(--landing-line-strong, #475149);color:var(--landing-ink, #d1ded4);background-color:#1e1f1d;background-image:none;box-shadow:0 22px 54px #afd5c514}:root[data-theme=dark] .real-essay-titlebar{border-bottom-color:var(--landing-line, #2f342f);background-color:#181818;background-image:none}:root[data-theme=dark] .real-essay-titlebar small,:root[data-theme=dark] .real-essay-titlebar>span{color:var(--landing-muted, #929d95)}:root[data-theme=dark] .real-essay-toolbar{border-bottom-color:var(--landing-line, 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.real-essay-mark:focus-visible{background-color:#2f2523;background-image:none}:root[data-theme=dark] .real-essay-mark[aria-pressed=true]{border-bottom-color:#6db689;color:#82c29a;background-color:#202922;background-image:none}:root[data-theme=dark] .real-essay-paper>footer{border-top-color:var(--landing-line, #2f342f);color:var(--landing-muted, #929d95)}:root[data-theme=dark] .real-essay-paper>footer span{color:var(--landing-green-dark, #afd5c5)}:root[data-theme=dark] .essay-notes-heading small{color:var(--landing-muted, #929d95)}:root[data-theme=dark] .essay-note-actions button{border-color:var(--landing-green, #94c5b1);color:#181818;background-color:var(--landing-green, #94c5b1);background-image:none}:root[data-theme=dark] .essay-live-status{color:var(--landing-muted, #929d95)}:root[data-theme=dark] .essay-category-list span{border-color:#4c3f1e;color:#c5b396;background-color:#242016;background-image:none}:root[data-theme=dark] .essay-note-list>button{border-color:var(--landing-line, 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.essay-practice>header{border-bottom-color:#333833;background-color:#181818;background-image:none}:root[data-theme=dark] .essay-practice>header small{color:#67b07e}:root[data-theme=dark] .essay-practice-back{border-color:#475149;color:#93cbb4;background-color:#181818;background-image:none}:root[data-theme=dark] .essay-practice-back:hover{border-color:#94c5b1;background-color:#1f2420;background-image:none}:root[data-theme=dark] .essay-practice-body{border-color:#333833;background-color:#181818;background-image:none}:root[data-theme=dark] .essay-practice-instruction{color:#95a29b}:root[data-theme=dark] .essay-practice-sentence button{border-color:#373e38;color:#ceddd6;background-color:#1b1b1a;background-image:none}:root[data-theme=dark] .essay-practice-sentence button:hover:not(:disabled){border-color:#94c5b1;background-color:#1f2420;background-image:none}:root[data-theme=dark] .essay-practice-sentence 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.student-word-list>span{border-top-color:var(--landing-line)}:root[data-theme=dark] .student-word-list small{color:var(--landing-muted)}:root[data-theme=dark] .student-answer-row button{border-color:var(--landing-line-strong);background-color:#181818;background-image:none}:root[data-theme=dark] .student-answer-row button.correct{border-color:#4b9863;color:#8ac69e;background-color:#1d271f;background-image:none}:root[data-theme=dark] .student-answer-row button.wrong{border-color:#bd6659;color:#ec9889;background-color:#312421;background-image:none}:root[data-theme=dark] .student-answer-note{color:var(--landing-green)!important}:root[data-theme=dark] .student-lesson-content>footer{border-top-color:var(--landing-line)}:root[data-theme=dark] .student-lesson-content>footer span{color:var(--landing-muted)}:root[data-theme=dark] .student-flashcard{border-color:var(--landing-line-strong);color:var(--landing-ink);background-color:var(--tour-soft);background-image:none}:root[data-theme=dark] 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.resource-note-viewer>header small,:root[data-theme=dark] .resource-note-viewer>header span{color:var(--landing-muted)}:root[data-theme=dark] .resource-reading-paper,:root[data-theme=dark] .reader-sidebar,:root[data-theme=dark] .resource-note-viewer>article{border-color:var(--landing-line);background-color:#181818;background-image:none}:root[data-theme=dark] .reader-coach{border-color:var(--landing-green);background-color:#1d201d;background-image:none;box-shadow:0 12px 34px #afd5c51a}:root[data-theme=dark] .reader-coach p{color:var(--landing-muted)}:root[data-theme=dark] .reader-coach button{border-color:currentcolor;color:var(--landing-green);background-color:transparent;background-image:none}:root[data-theme=dark] .reading-description{color:var(--landing-muted)}:root[data-theme=dark] .reading-body button{border-color:currentcolor;border-bottom-color:transparent;color:inherit;background-color:transparent;background-image:none}:root[data-theme=dark] .reading-body 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.shared-reading-tip{border-left-color:var(--landing-green);background-color:#21241f;background-image:none}:root[data-theme=dark] .shared-reading-tip strong{color:var(--landing-green-dark)}:root[data-theme=dark] .shared-reading-tip span{color:var(--landing-muted)}:root[data-theme=dark] .shared-product-reading>aside{border-left-color:var(--landing-line);background-color:#1c1e1b;background-image:none}:root[data-theme=dark] .shared-product-reading>aside small{color:var(--landing-muted)}:root[data-theme=dark] .shared-product-reading>aside section>button{border-color:var(--landing-line);color:var(--landing-ink);background-color:#181818;background-image:none}:root[data-theme=dark] .shared-product-reading>aside section>button span,:root[data-theme=dark] .shared-product-reading>aside p{color:var(--landing-muted)}:root[data-theme=dark] .shared-resource-chip{color:var(--landing-green-dark);background-color:#252c27;background-image:none}:root[data-theme=dark] .shared-lesson-screen .shared-gap-index button{border-color:var(--landing-line);color:var(--landing-muted);background-color:#181818;background-image:none}:root[data-theme=dark] .shared-lesson-screen .shared-gap-index button[aria-pressed=true]{border-color:var(--landing-green);color:var(--landing-green-dark);background-color:var(--landing-green-soft);background-image:none}:root[data-theme=dark] .student-preview-cta{border-color:var(--landing-line-strong);background-color:#181818;background-image:none}:root[data-theme=dark] .student-preview-cta p{color:var(--landing-muted)}:root[data-theme=dark] .student-preview-cta strong{color:var(--landing-ink)}:root[data-theme=dark] .reading-body button[data-meaning]:after{color:#181818;background-color:#c7d9ce;background-image:none;box-shadow:0 8px 20px #00000067}:root[data-theme=dark] .reading-body button.reader-saved{border-bottom-color:#67b07e;background-color:#212a23;background-image:none}:root[data-theme=dark] .reading-body 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p{color:#a4b2ab}.app-overview,.app-tour-offer{width:min(100%,1440px);margin-inline:auto;padding-inline:clamp(20px,3vw,44px);color:var(--landing-ink)}.app-overview{padding-block:clamp(56px,7vw,96px) clamp(40px,5vw,64px);border-top:1px solid var(--landing-line);scroll-margin-top:20px}.app-overview-kicker{margin:0 0 16px;color:var(--landing-green);font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.app-overview-head{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:0 64px;align-items:end;margin-bottom:40px}.app-overview-head .app-overview-kicker{grid-column:1 / -1}.app-overview-head h2,.app-tour-offer 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button{border:0;background:transparent}.compact-action{display:inline-flex;align-items:center;gap:10px;min-height:42px;border:1px solid var(--landing-green);border-radius:3px;padding:9px 14px;color:#fff;background:var(--landing-green);font-size:.8rem;font-weight:650;transition:background-color .12s ease-out}.compact-action:hover{background:var(--landing-green-dark)}.compact-action svg,.landing-primary svg{width:17px;stroke:currentColor;stroke-width:1.5}.landing-hero{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,6vw,96px);align-items:center;min-height:min(720px,calc(100vh - 84px));padding-block:64px 72px;overflow:hidden}.hero-copy{position:relative;z-index:1}.landing-kicker{display:flex;align-items:center;gap:10px;margin:0 0 24px;color:var(--landing-muted);font-size:.7rem;font-weight:650;letter-spacing:.1em;text-transform:uppercase}.landing-kicker span{width:18px;height:1px;background:var(--landing-green)}.hero-copy h1,.landing-section h2{margin:0;color:var(--landing-ink);font-family:var(--landing-serif);font-weight:400;letter-spacing:-.04em;text-wrap:balance}.hero-copy h1{max-width:760px;font-size:clamp(3.8rem,6.5vw,7.2rem);line-height:.96}.hero-copy h1 em{color:var(--landing-green);font-weight:400}.hero-lead{max-width:44ch;margin:32px 0 0;color:var(--landing-muted);font-size:clamp(1rem,1.5vw,1.18rem);line-height:1.65}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:32px}.landing-primary{display:inline-flex;width:auto;align-items:center;justify-content:center;gap:18px;min-height:50px;margin:0;border-radius:3px;padding:12px 18px;font-size:.86rem;transition:background-color .12s ease-out}.hero-actions>a{color:var(--landing-ink);font-size:.84rem;font-weight:600;text-decoration:underline;text-decoration-color:var(--landing-line-strong);text-underline-offset:5px}.hero-proof{display:flex;gap:28px;margin:64px 0 0}.hero-proof div{display:grid;grid-template-columns:auto minmax(0,1fr);gap:9px;align-items:baseline;max-width:130px}.hero-proof dt{color:var(--landing-green);font-family:var(--landing-serif);font-size:1.75rem;font-variant-numeric:tabular-nums}.hero-proof dd{margin:0;color:var(--landing-muted);font-size:.68rem;line-height:1.25}.hero-preview{position:relative;min-width:720px}.preview-switch{display:flex;margin:0 0 12px 40px}.preview-switch button{min-height:40px;border:0;border-bottom:1px solid var(--landing-line);padding:8px 14px;color:var(--landing-muted);background:transparent;font-size:.73rem}.preview-switch button.active{border-bottom-color:var(--landing-green);color:var(--landing-green-dark);font-weight:650}.product-window{border:1px solid var(--landing-line-strong);border-radius:5px;background:var(--landing-surface);box-shadow:0 28px 70px #17392d1f;overflow:hidden;animation:landing-rise .6s cubic-bezier(.32,.72,0,1) both}.window-bar{display:flex;justify-content:space-between;align-items:center;height:54px;border-bottom:1px solid var(--landing-line);padding:0 18px}.window-brand{display:flex;align-items:center;gap:8px;font-size:.65rem;font-weight:650}.window-brand .landing-mark{width:20px;height:20px;font-size:.75rem}.window-user{color:var(--landing-muted);font-size:.62rem}.product-shell{display:grid;grid-template-columns:130px 1fr;min-height:450px}.product-sidebar{display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--landing-line);padding:22px 12px;background:#f3f5f1}.product-sidebar span{border-radius:3px;padding:8px 9px;color:var(--landing-muted);font-size:.62rem}.product-sidebar .preview-nav-active{color:var(--landing-green-dark);background:var(--landing-green-soft);font-weight:650}.product-content{padding:28px 30px}.preview-heading{display:flex;justify-content:space-between;align-items:start;margin-bottom:28px}.preview-heading div,.student-lesson-head div{display:grid;gap:5px}.preview-heading small,.student-lesson-head small{color:var(--landing-muted);font-size:.6rem}.preview-heading strong{font-family:var(--landing-serif);font-size:1.35rem;font-weight:400}.preview-button{display:inline-flex;min-height:34px;align-items:center;border:1px solid var(--landing-green);border-radius:3px;padding:7px 10px;color:#fff;background:var(--landing-green);font-size:.6rem}.lesson-row{display:grid;grid-template-columns:48px 1fr auto;gap:16px;align-items:center;border-bottom:1px solid var(--landing-line);padding:17px 4px}.lesson-row.current{border:1px solid var(--landing-line);border-left:3px solid var(--landing-green);padding-inline:14px;background:#fbfcfa}.lesson-row time{color:var(--landing-muted);font-family:ui-monospace,monospace;font-size:.64rem}.lesson-row div{display:grid;gap:3px}.lesson-row strong{font-size:.7rem;font-weight:650}.lesson-row div span{color:var(--landing-muted);font-size:.6rem}.status-label{color:var(--landing-green-dark);font-size:.58rem;font-weight:650}.status-label.quiet{color:var(--landing-muted);font-weight:500}.preview-bottom{display:grid;grid-template-columns:2fr 3fr;gap:28px;margin-top:30px}.progress-panel,.activity-panel{display:grid;align-content:start;gap:8px}.preview-bottom small{color:var(--landing-muted);font-size:.58rem}.progress-panel strong{font-family:var(--landing-serif);font-size:1.35rem;font-weight:400}.progress-panel>span{height:3px;background:var(--landing-line)}.progress-panel>span i{display:block;width:75%;height:100%;background:var(--landing-green)}.activity-panel p{display:grid;grid-template-columns:6px 1fr auto;gap:7px;margin:0;color:var(--landing-muted);font-size:.57rem}.activity-panel p i{width:5px;height:5px;margin-top:3px;border-radius:50%;background:var(--landing-green)}.activity-panel p b{color:var(--landing-ink)}.student-preview-body{min-height:450px;padding:30px 36px}.student-lesson-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--landing-line);padding-bottom:22px}.student-lesson-head strong{font-family:var(--landing-serif);font-size:1.5rem;font-weight:400}.student-lesson-head>span{color:var(--landing-green-dark);font-size:.62rem;font-weight:650}.student-task-list{margin:14px 0 0;padding:0;list-style:none}.student-task-list li{display:grid;grid-template-columns:28px 1fr auto;gap:14px;align-items:center;min-height:65px;border-bottom:1px solid var(--landing-line);color:var(--landing-muted);font-family:ui-monospace,monospace;font-size:.6rem}.student-task-list li>div{display:grid;gap:3px;font-family:var(--landing-sans)}.student-task-list li strong{color:var(--landing-ink);font-size:.7rem}.student-task-list li span{color:var(--landing-muted);font-size:.6rem}.student-task-list li svg{width:18px;stroke:var(--landing-green);stroke-width:1.7}.student-task-list li.active{margin-inline:-12px;border:1px solid var(--landing-line-strong);border-left:3px solid var(--landing-green);padding-inline:10px;background:#fbfcfa}.landing-section{padding-block:84px}.landing-section h2{font-size:clamp(2.8rem,5vw,5.6rem);line-height:1.02}.teacher-section{display:grid;grid-template-columns:1fr 3fr;gap:clamp(32px,6vw,96px)}.section-aside>p:last-child{max-width:18ch;color:var(--landing-muted);font-family:var(--landing-serif);font-size:1.35rem;line-height:1.3}.section-main h2{max-width:900px}.feature-index{margin:72px 0 0;padding:0;list-style:none}.feature-index li{display:grid;grid-template-columns:54px minmax(0,1fr);gap:26px;border-top:1px solid var(--landing-line);padding:28px 0}.feature-index li>span{color:var(--landing-green);font-family:ui-monospace,monospace;font-size:.7rem}.feature-index h3{margin:0 0 8px;font-family:var(--landing-serif);font-size:1.45rem;font-weight:400;letter-spacing:-.02em}.feature-index p{max-width:65ch;margin:0;color:var(--landing-muted);font-size:.9rem}.workflow-section{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(48px,7vw,112px);align-items:center}.workflow-copy h2{font-size:clamp(2.7rem,4.5vw,4.8rem)}.workflow-copy>p:not(.landing-kicker){max-width:45ch;margin:28px 0;color:var(--landing-muted)}.workflow-copy ul{display:grid;gap:12px;margin:0;padding:0;list-style:none;font-size:.82rem}.workflow-copy li{display:flex;align-items:center;gap:10px}.workflow-copy li svg{width:17px;stroke:var(--landing-green);stroke-width:1.7}.flow-board{border:1px solid var(--landing-line-strong);background:var(--landing-surface)}.flow-heading{display:grid;grid-template-columns:80px 1fr auto;align-items:center;border-bottom:1px solid var(--landing-line-strong);padding:22px 24px}.flow-heading span,.flow-heading small{color:var(--landing-muted);font-family:ui-monospace,monospace;font-size:.66rem}.flow-heading strong{font-family:var(--landing-serif);font-size:1.25rem;font-weight:400}.flow-board ol{margin:0;padding:0 24px;list-style:none}.flow-board li{display:grid;grid-template-columns:56px 1fr auto;gap:18px;align-items:center;min-height:74px;border-bottom:1px solid var(--landing-line)}.flow-board li:last-child{border:0}.flow-board li>span{color:var(--landing-muted);font-family:ui-monospace,monospace;font-size:.65rem}.flow-board li div{display:grid;gap:3px}.flow-board li strong{font-size:.8rem}.flow-board li small{color:var(--landing-muted);font-size:.68rem}.flow-board li i{color:var(--landing-green);font-size:.62rem;font-style:normal}.student-section{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(48px,8vw,128px)}.student-intro{position:sticky;top:48px;align-self:start}.student-intro>p:last-child{max-width:39ch;margin-top:28px;color:var(--landing-muted)}.student-section .feature-index{margin-top:0}.student-section .feature-index li:first-child{border-top-color:var(--landing-line-strong)}.connected-section{padding-top:160px}.connected-statement{display:grid;grid-template-columns:1fr 3fr;gap:48px}.connected-statement h2{max-width:1000px}.connected-path{display:grid;grid-template-columns:repeat(4,1fr);margin-top:88px;border-top:1px solid var(--landing-line-strong)}.connected-path div{position:relative;display:grid;gap:6px;border-right:1px solid var(--landing-line);padding:30px 22px 48px 0}.connected-path div:before{position:absolute;top:-4px;left:0;width:7px;height:7px;border-radius:50%;background:var(--landing-green);content:""}.connected-path div:last-child{border:0}.connected-path span{color:var(--landing-green);font-family:ui-monospace,monospace;font-size:.65rem}.connected-path strong{font-family:var(--landing-serif);font-size:1.2rem;font-weight:400}.connected-path small{color:var(--landing-muted);font-size:.7rem}.capability-line{display:flex;flex-wrap:wrap;gap:12px 24px;border-block:1px solid var(--landing-line);padding:24px 0;color:var(--landing-muted);font-size:.75rem}.capability-line span:not(:last-child):after{margin-left:24px;color:var(--landing-line-strong);content:"/"}.final-section{display:grid;grid-template-columns:1fr 3fr;gap:48px;padding-block:160px}.final-section .landing-kicker{align-self:start}.final-section h2{grid-column:2}.final-section>div{grid-column:2;display:flex;justify-content:space-between;align-items:end;gap:32px;margin-top:40px}.final-section>div p{max-width:48ch;margin:0;color:var(--landing-muted)}.landing-footer{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;min-height:120px;border-top:1px solid var(--landing-line)}.landing-footer p{margin:0;color:var(--landing-muted);font-family:var(--landing-serif);font-size:.9rem;text-align:center}.landing-footer>div{display:flex;justify-content:flex-end;gap:20px}.landing-footer button{padding:8px 0;color:var(--landing-muted);font-size:.75rem;text-decoration:underline;text-decoration-color:var(--landing-line-strong);text-underline-offset:4px}@keyframes landing-rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1100px){.landing-header{grid-template-columns:1fr auto}.landing-header nav{display:none}.landing-hero{grid-template-columns:1fr;min-height:auto}.hero-copy{max-width:760px}.hero-preview{min-width:0}}@media(max-width:767px){.landing-header{min-height:68px}.landing-logo span:last-child{display:none}.header-actions{gap:12px}.compact-action{padding-inline:12px}.compact-action svg{display:none}.landing-hero{padding-block:64px 80px}.hero-copy h1{font-size:clamp(3.25rem,15vw,5rem)}.hero-actions{align-items:flex-start;flex-direction:column}.hero-proof{gap:16px;margin-top:48px}.hero-proof div{grid-template-columns:1fr;gap:2px}.product-shell{grid-template-columns:1fr;min-height:400px}.product-sidebar{display:none}.product-content{padding:22px 18px}.window-user{display:none}.preview-bottom{grid-template-columns:1fr}.activity-panel{display:none}.student-preview-body{min-height:400px;padding:24px 18px}.student-lesson-head{align-items:start;gap:16px}.landing-section{padding-block:80px}.teacher-section,.workflow-section,.student-section,.connected-statement,.final-section{grid-template-columns:1fr}.section-aside>p:last-child{max-width:28ch}.feature-index{margin-top:48px}.student-intro{position:static}.student-section .feature-index{margin-top:16px}.connected-section{padding-top:96px}.connected-path{grid-template-columns:1fr 1fr;margin-top:56px}.connected-path div{min-height:145px}.final-section h2,.final-section>div{grid-column:1}.final-section>div{align-items:flex-start;flex-direction:column}.landing-footer{grid-template-columns:1fr 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.product-window{border-color:var(--landing-line-strong);background-color:var(--landing-surface);background-image:none;box-shadow:0 28px 70px #afd5c51f}:root[data-theme=dark] .window-bar{border-bottom-color:var(--landing-line)}:root[data-theme=dark] .window-user{color:var(--landing-muted)}:root[data-theme=dark] .product-sidebar{border-right-color:var(--landing-line);background-color:#20221f;background-image:none}:root[data-theme=dark] .product-sidebar span{color:var(--landing-muted)}:root[data-theme=dark] .product-sidebar .preview-nav-active{color:var(--landing-green-dark);background-color:var(--landing-green-soft);background-image:none}:root[data-theme=dark] .preview-heading small,:root[data-theme=dark] .student-lesson-head small{color:var(--landing-muted)}:root[data-theme=dark] .preview-button{border-color:var(--landing-green);color:#181818;background-color:var(--landing-green);background-image:none}:root[data-theme=dark] 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#dcded8;border-radius:6px;padding:clamp(26px,3.5vw,40px);color:var(--teacher-ink);background:#f1f2ef}[data-teacher=true] .dashboard-welcome h2{margin:4px 0 8px;font-size:clamp(1.8rem,3vw,2.55rem);font-weight:650;letter-spacing:-.04em}[data-teacher=true] .dashboard-privacy-card{padding:18px 22px}[data-teacher=true] .dashboard-mini-metrics>div{border-color:var(--teacher-line);border-radius:6px;background:#f7f7f5}[data-teacher=true] :is(.analytics-panel,.payment-analytics){padding:24px}[data-teacher=true] :is(.school-timetable,.homework-tracking-dashboard,.course-dashboard,.student-workspace,.manager-console){color:var(--teacher-ink)}[data-teacher=true] :is(.course-hero,.student-profile-header){border-color:#dcded8;border-radius:6px;background:#f1f2ef;box-shadow:none}[data-teacher=true] :is(.student-panel,.student-task-card){border-color:var(--teacher-line);border-radius:6px;background:#fff;box-shadow:none}[data-teacher=true] .resource-library-actions{display:flex;flex-wrap:wrap;gap:8px}[data-teacher=true] :is(.resource-library-folder,.resource-card,.public-resource-card,.desktop-folder){border-color:var(--teacher-line);border-radius:6px;box-shadow:none}[data-teacher=true] .desktop-folder-view{gap:14px;padding:20px 26px}[data-teacher=true] .desktop-folder{min-height:126px;background:#f7f7f5}[data-teacher=true] .modal-backdrop{background:#192a2275;-webkit-backdrop-filter:none;backdrop-filter:none}[data-teacher=true] .modal{border:1px solid var(--teacher-line);border-radius:6px;box-shadow:0 26px 80px #192a2233}[data-teacher=true] .modal-header{border-color:#e7e8e3;padding:22px 24px}[data-teacher=true] .modal-form{gap:17px;padding:22px 24px 24px}[data-teacher=true] .modal-actions{border-color:#e7e8e3}@media(max-width:980px){.app-layout[data-teacher=true]{grid-template-columns:minmax(0,1fr)}[data-teacher=true]>.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid #dcded8;padding:16px}[data-teacher=true] .brand{margin-bottom:12px;border:0;padding:0 4px}[data-teacher=true] .sidebar nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px}.teacher-nav-group{display:flex;gap:5px}.teacher-nav-group-title{display:none}[data-teacher=true] .nav-link{flex:0 0 auto;white-space:nowrap}[data-teacher=true]>.workspace{padding:22px 16px 40px}}@media(max-width:640px){[data-teacher=true] .topbar{align-items:flex-start}[data-teacher=true] .teacher-view-description{display:none}[data-teacher=true] .sheet-header{align-items:flex-start;flex-direction:column;padding-inline:20px}[data-teacher=true] .sheet-actions{width:100%;justify-content:stretch}[data-teacher=true] .sheet-actions>button{flex:1}[data-teacher=true] .filters,[data-teacher=true] .course-card-grid{grid-template-columns:1fr;padding-inline:20px}}:root[data-theme=dark] .app-layout[data-teacher=true]{--teacher-ink: #cad1cd;--teacher-muted: #999f99;--teacher-line: #343631;--teacher-soft: #20231d;--teacher-accent: #9cc8b8;background-color:#1f1f1e;background-image:none}:root[data-theme=dark] [data-teacher=true]>.sidebar{border-color:#343631;background-color:#181818;background-image:none}:root[data-theme=dark] [data-teacher=true] .brand{border-bottom-color:#2c2d29;color:var(--teacher-ink)}:root[data-theme=dark] [data-teacher=true] .brand>small{color:#819288}:root[data-theme=dark] .teacher-nav-group-title{color:#6f7b74}:root[data-theme=dark] [data-teacher=true] .nav-link{border-color:transparent;color:#8fa297}:root[data-theme=dark] [data-teacher=true] .nav-link:hover{color:#96bfac;background-color:#1f211d;background-image:none}:root[data-theme=dark] [data-teacher=true] .nav-link.active{border-color:#2b3327;color:var(--teacher-accent);background-color:#262926;background-image:none}:root[data-theme=dark] [data-teacher=true] .nav-link:focus-visible{outline-color:#769e8147}:root[data-theme=dark] [data-teacher=true] .topbar{border-bottom-color:var(--teacher-line)}:root[data-theme=dark] [data-teacher=true] .topbar .eyebrow{color:#829189}:root[data-theme=dark] [data-teacher=true] .topbar h1{color:var(--teacher-ink)}:root[data-theme=dark] .teacher-view-description{color:var(--teacher-muted)}:root[data-theme=dark] [data-teacher=true] .topbar>button{border-color:#2e342b;color:#90a298;background-color:#181818;background-image:none}:root[data-theme=dark] [data-teacher=true] :is(.sheet-panel,.template-panel,.analytics-panel,.payment-analytics,.dashboard-privacy-card,.dashboard-activity-overview){border-color:var(--teacher-line);background-color:#181818;background-image:none;box-shadow:none}:root[data-theme=dark] [data-teacher=true] .sheet-header h2{color:var(--teacher-ink)}:root[data-theme=dark] [data-teacher=true] :is(.primary-action,.primary-button){border-color:var(--teacher-accent);background-color:var(--teacher-accent);background-image:none;box-shadow:none}:root[data-theme=dark] [data-teacher=true] :is(.secondary-action,.secondary-button,.text-button){border-color:#2f362d;color:#9bc0a5;background-color:#181818;background-image:none;box-shadow:none}:root[data-theme=dark] [data-teacher=true] :is(.secondary-action,.secondary-button,.text-button):not(:disabled):hover{background-color:#21241e;background-image:none}:root[data-theme=dark] [data-teacher=true] .danger-button{box-shadow:none}:root[data-theme=dark] [data-teacher=true] .filters{border-block-color:#2c2d29;background-color:#1f1f1e;background-image:none}:root[data-theme=dark] [data-teacher=true] :is(.filters,.analytics-filters) label{color:#8c9d94}:root[data-theme=dark] [data-teacher=true] :is(input,select,textarea){border-color:#30372e}:root[data-theme=dark] [data-teacher=true] :is(input,select,textarea):focus{border-color:#648a74;box-shadow:0 0 0 3px #769e8129}:root[data-theme=dark] [data-teacher=true] .sheet-scroll{scrollbar-color:#384139 transparent}:root[data-theme=dark] [data-teacher=true] .sheet-table th{color:#829188;background-color:#1f1f1e;background-image:none}:root[data-theme=dark] [data-teacher=true] .sheet-table td{color:#adc4b8}:root[data-theme=dark] [data-teacher=true] .sheet-table :is(th,td){border-color:#2c2d29}:root[data-theme=dark] [data-teacher=true] .sheet-table tbody tr:hover td{background-color:#1c1e1b;background-image:none}:root[data-theme=dark] [data-teacher=true] .empty-cell{color:#7b8a80}:root[data-theme=dark] [data-teacher=true] .course-overview-card{border-color:var(--teacher-line);color:var(--teacher-ink);background-color:#181818;background-image:none;box-shadow:none}:root[data-theme=dark] [data-teacher=true] .course-overview-card:hover{border-color:#445748}:root[data-theme=dark] [data-teacher=true] .dashboard-welcome{border-color:#343631;color:var(--teacher-ink);background-color:#232422;background-image:none}:root[data-theme=dark] [data-teacher=true] 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button{display:inline-flex;align-items:center;gap:7px;margin-bottom:-1px;border:0;border-bottom:2px solid transparent;padding:8px 0 10px;color:var(--hk-muted);background:transparent;font:inherit;font-size:.88rem;font-weight:560;cursor:pointer}.hk-filters button span{min-width:20px;border-radius:999px;padding:1px 7px;color:var(--hk-muted);background:#eef0ec;font-size:.72rem;font-weight:700;text-align:center}.hk-filters button[aria-selected=true]{border-bottom-color:var(--hk-accent);color:var(--hk-accent)}.hk-filters button[aria-selected=true] span{color:#fff;background:var(--hk-accent)}.hk-inbox{display:grid;grid-template-columns:minmax(260px,340px) minmax(0,1fr);min-height:520px;overflow:hidden;border:1px solid var(--hk-line);border-radius:10px;background:#fff}.hk-list-pane{display:flex;flex-direction:column;min-width:0;border-right:1px solid var(--hk-line)}.hk-toolbar{display:flex;gap:8px;border-bottom:1px solid var(--hk-line);padding:12px}.hk-toolbar label{min-width:0}.hk-search{flex:1}.hk-toolbar input,.hk-toolbar select{width:100%;min-height:36px;border:1px solid var(--hk-line);border-radius:7px;padding:6px 10px;color:var(--hk-ink);background:#fafaf8;font:inherit;font-size:.85rem}.hk-toolbar select{max-width:140px}.hk-students{flex:1;margin:0;padding:0;overflow-y:auto;list-style:none}.hk-student{display:grid;grid-template-columns:36px minmax(0,1fr) auto;gap:11px;align-items:center;width:100%;border:0;border-bottom:1px solid var(--hk-line);padding:12px 14px;color:inherit;background:transparent;font:inherit;text-align:left;cursor:pointer}.hk-student:hover{background:#fafaf8}.hk-student.is-selected{background:var(--hk-soft);box-shadow:inset 3px 0 0 var(--hk-accent)}.hk-student .homework-student-avatar{width:36px;height:36px;font-size:.72rem}.hk-student-copy{display:grid;min-width:0;gap:1px}.hk-student-copy strong{overflow:hidden;font-size:.9rem;font-weight:620;text-overflow:ellipsis;white-space:nowrap}.hk-student-copy small,.hk-student-side small{overflow:hidden;color:var(--hk-muted);font-size:.74rem;text-overflow:ellipsis;white-space:nowrap}.hk-student-side{display:grid;justify-items:end;gap:3px}.hk-status{display:inline-flex;align-items:center;gap:6px;color:var(--hk-muted);font-size:.76rem;font-weight:620;white-space:nowrap}.hk-status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--hk-slate)}.hk-status.done{color:var(--hk-green)}.hk-status.done:before{background:var(--hk-green)}.hk-status.opened{color:#8a5a12}.hk-status.opened:before{background:var(--hk-amber)}.hk-status.missed{color:var(--hk-red)}.hk-status.missed:before{background:var(--hk-red)}.hk-status.hidden:before{border:1px solid var(--hk-slate);background:transparent}.hk-detail-pane{min-width:0;padding:22px 26px 28px}.hk-back{display:none;margin:0 0 14px;border:0;padding:0;color:var(--hk-muted);background:transparent;font:inherit;font-size:.85rem;cursor:pointer}.hk-detail-header{display:flex;align-items:center;gap:13px}.hk-detail-header>div{flex:1;min-width:0}.hk-detail-header h3{margin:0;font-size:1.25rem}.hk-detail-header p{margin:2px 0 0;color:var(--hk-muted);font-size:.84rem}.hk-link{border:0;padding:0;color:var(--hk-accent);background:transparent;font:inherit;font-size:.84rem;font-weight:600;text-decoration:underline;text-decoration-color:#b9c8bf;text-underline-offset:4px;white-space:nowrap;cursor:pointer}.hk-link:hover{text-decoration-color:currentColor}.hk-lesson-tabs{display:flex;gap:18px;margin-top:20px;overflow-x:auto;border-bottom:1px solid var(--hk-line);scrollbar-width:thin}.hk-lesson-tabs button{display:inline-flex;flex:none;align-items:center;gap:7px;margin-bottom:-1px;border:0;border-bottom:2px solid transparent;padding:6px 0 9px;color:var(--hk-muted);background:transparent;font:inherit;font-size:.84rem;font-weight:560;cursor:pointer}.hk-lesson-tabs button[aria-selected=true]{border-bottom-color:var(--hk-accent);color:var(--hk-ink)}.hk-dot{width:7px;height:7px;border-radius:50%;background:var(--hk-slate)}.hk-dot.done{background:var(--hk-green)}.hk-dot.opened{background:var(--hk-amber)}.hk-dot.missed{background:var(--hk-red)}.hk-dot.hidden{border:1px solid var(--hk-slate);background:transparent}.hk-lesson-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin:18px 0 4px}.hk-lesson-head>div{display:grid;flex:1;min-width:200px}.hk-lesson-head strong{font-size:.98rem;font-weight:620}.hk-lesson-head span:not(.hk-status){color:var(--hk-muted);font-size:.8rem}.hk-note{margin:6px 0 0;color:#8a5a12;font-size:.83rem}.hk-items{margin:8px 0 0;padding:0;list-style:none}.hk-item{display:grid;grid-template-columns:20px minmax(0,1fr) auto auto;gap:12px;align-items:center;border-top:1px solid 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strong{overflow:hidden;font-size:.9rem;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.hk-item-meta{color:var(--hk-muted);font-size:.76rem}.hk-item-score{min-width:56px;color:var(--hk-muted);font-size:.9rem;font-variant-numeric:tabular-nums;font-weight:650;text-align:right}.hk-item-score.good{color:var(--hk-green)}.hk-item-score.fair{color:#8a5a12}.hk-item-score.low{color:var(--hk-red)}.hk-review{min-height:32px;border:1px solid #c3d1c8;border-radius:7px;padding:4px 12px;color:var(--hk-accent);background:#fff;font:inherit;font-size:.8rem;font-weight:620;white-space:nowrap;cursor:pointer}.hk-review:hover{border-color:var(--hk-accent);background:var(--hk-soft)}.hk-review-none{width:104px}.hk-empty{display:grid;justify-items:center;gap:6px;padding:48px 24px;color:var(--hk-muted, #656b65);text-align:center}.hk-empty strong{color:var(--hk-ink, #292e2b);font-size:1rem}.hk-empty p{max-width:340px;margin:0;font-size:.84rem}.hk-without{margin:0;border-top:1px solid var(--hk-line);padding:12px 14px;color:var(--hk-muted);font-size:.78rem}.hk-profile-page,.hk-profile-panel,.homework-check-part{--hk-ink: #292e2b;--hk-muted: #656b65;--hk-line: #e3e5df;--hk-soft: #f1f5ed;--hk-accent: #244d40;--hk-green: #2f7655;--hk-amber: #b27626;--hk-red: #b0473b;--hk-slate: #8a928e}.hk-surface{border:1px solid var(--hk-line);border-radius:10px;padding:22px 26px 26px;background:#fff}.hk-profile-panel .student-panel-header{align-items:center;gap:12px}.hk-profile-panel .student-panel-header>div:first-child{flex:1}.hk-profile-panel .hk-items{margin-top:2px}.hk-check-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px 16px}.hk-check-summary{margin:0;color:var(--hk-muted);font-size:.84rem}@media(max-width:860px){.hk-inbox{grid-template-columns:minmax(0,1fr);min-height:0}.hk-list-pane{border-right:0}.hk-detail-pane{display:none;padding:18px 16px 22px}.hk-page.has-selection .hk-list-pane{display:none}.hk-page.has-selection .hk-detail-pane{display:block}.hk-back{display:inline-flex;gap:6px}}@media(max-width:560px){.hk-filters{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.hk-filters button{flex:none}.hk-item{grid-template-columns:20px minmax(0,1fr) auto}.hk-item-main strong{white-space:normal}.hk-review,.hk-review-none{grid-column:2 / -1;justify-self:start}.hk-review-none{display:none}.hk-surface{padding:16px}.hk-detail-header .hk-link{display:none}}:root[data-theme=dark] .hk-page{--hk-ink: #cad1cd;--hk-muted: #999f99;--hk-line: #2e302b;--hk-soft: #20231d;--hk-accent: #9cc8b8;--hk-green: #6bb18d;--hk-amber: #b27626;--hk-red: #e37466;--hk-slate: #757d79;color:var(--hk-ink)}:root[data-theme=dark] .hk-filters{border-bottom-color:var(--hk-line)}:root[data-theme=dark] .hk-filters button{border-color:currentcolor;border-bottom-color:transparent;color:var(--hk-muted);background-color:transparent;background-image:none}:root[data-theme=dark] .hk-filters button span{color:var(--hk-muted);background-color:#252623;background-image:none}:root[data-theme=dark] .hk-filters button[aria-selected=true]{border-bottom-color:var(--hk-accent);color:var(--hk-accent)}:root[data-theme=dark] .hk-filters button[aria-selected=true] span{color:#181818;background-color:var(--hk-accent);background-image:none}:root[data-theme=dark] .hk-inbox{border-color:var(--hk-line);background-color:#181818;background-image:none}:root[data-theme=dark] .hk-list-pane{border-right-color:var(--hk-line)}:root[data-theme=dark] .hk-toolbar{border-bottom-color:var(--hk-line)}:root[data-theme=dark] .hk-toolbar input,:root[data-theme=dark] .hk-toolbar select{border-color:var(--hk-line);color:var(--hk-ink);background-color:#1d1d1b;background-image:none}:root[data-theme=dark] .hk-student{border-color:currentcolor;border-bottom-color:var(--hk-line);color:inherit;background-color:transparent;background-image:none}:root[data-theme=dark] .hk-student:hover{background-color:#1d1d1b;background-image:none}:root[data-theme=dark] .hk-student.is-selected{background-color:var(--hk-soft);background-image:none;box-shadow:inset 3px 0 0 var(--hk-accent)}:root[data-theme=dark] .hk-student-copy small,:root[data-theme=dark] .hk-student-side small{color:var(--hk-muted)}:root[data-theme=dark] .hk-status{color:var(--hk-muted)}:root[data-theme=dark] .hk-status:before{background-color:var(--hk-slate);background-image:none}:root[data-theme=dark] .hk-status.done{color:var(--hk-green)}:root[data-theme=dark] .hk-status.done:before{background-color:var(--hk-green);background-image:none}:root[data-theme=dark] .hk-status.opened{color:#c99555}:root[data-theme=dark] .hk-status.opened:before{background-color:var(--hk-amber);background-image:none}:root[data-theme=dark] .hk-status.missed{color:var(--hk-red)}:root[data-theme=dark] .hk-status.missed:before{background-color:var(--hk-red);background-image:none}:root[data-theme=dark] .hk-status.hidden:before{border-color:var(--hk-slate);background-color:transparent;background-image:none}:root[data-theme=dark] .hk-back{border-color:currentcolor;color:var(--hk-muted);background-color:transparent;background-image:none}:root[data-theme=dark] .hk-detail-header p{color:var(--hk-muted)}:root[data-theme=dark] .hk-link{border-color:currentcolor;color:var(--hk-accent);background-color:transparent;background-image:none;text-decoration-color:currentcolor;text-decoration-color:#434f48}:root[data-theme=dark] .hk-link:hover{text-decoration-color:currentColor}:root[data-theme=dark] .hk-lesson-tabs{border-bottom-color:var(--hk-line)}:root[data-theme=dark] .hk-lesson-tabs button{border-color:currentcolor;border-bottom-color:transparent;color:var(--hk-muted);background-color:transparent;background-image:none}:root[data-theme=dark] .hk-lesson-tabs button[aria-selected=true]{border-bottom-color:var(--hk-accent);color:var(--hk-ink)}:root[data-theme=dark] .hk-dot{background-color:var(--hk-slate);background-image:none}:root[data-theme=dark] .hk-dot.done{background-color:var(--hk-green);background-image:none}:root[data-theme=dark] .hk-dot.opened{background-color:var(--hk-amber);background-image:none}:root[data-theme=dark] .hk-dot.missed{background-color:var(--hk-red);background-image:none}:root[data-theme=dark] .hk-dot.hidden{border-color:var(--hk-slate);background-color:transparent;background-image:none}:root[data-theme=dark] .hk-lesson-head span:not(.hk-status){color:var(--hk-muted)}:root[data-theme=dark] .hk-note{color:#c99555}:root[data-theme=dark] .hk-item{border-top-color:var(--hk-line)}:root[data-theme=dark] .hk-item:first-child{border-top-color:currentcolor}:root[data-theme=dark] .hk-mark{border-color:#434844;color:#181818}:root[data-theme=dark] .hk-mark.opened{border-color:var(--hk-amber);background-color:transparent;background-image:linear-gradient(90deg,var(--hk-amber) 50%,transparent 50%)}:root[data-theme=dark] .hk-mark.done{border-color:var(--hk-green);background-color:var(--hk-green);background-image:none}:root[data-theme=dark] .hk-item-task{color:var(--hk-muted)}:root[data-theme=dark] .hk-item-meta{color:var(--hk-muted)}:root[data-theme=dark] .hk-item-score{color:var(--hk-muted)}:root[data-theme=dark] .hk-item-score.good{color:var(--hk-green)}:root[data-theme=dark] .hk-item-score.fair{color:#c99555}:root[data-theme=dark] .hk-item-score.low{color:var(--hk-red)}:root[data-theme=dark] .hk-review{border-color:#3b4740;color:var(--hk-accent);background-color:#181818;background-image:none}:root[data-theme=dark] .hk-review:hover{border-color:var(--hk-accent);background-color:var(--hk-soft);background-image:none}:root[data-theme=dark] .hk-empty{color:var(--hk-muted, #999f99)}:root[data-theme=dark] .hk-empty strong{color:var(--hk-ink, #cad1cd)}:root[data-theme=dark] .hk-without{border-top-color:var(--hk-line);color:var(--hk-muted)}:root[data-theme=dark] .hk-profile-page,:root[data-theme=dark] .hk-profile-panel,:root[data-theme=dark] .homework-check-part{--hk-ink: #cad1cd;--hk-muted: #999f99;--hk-line: #2e302b;--hk-soft: #20231d;--hk-accent: #9cc8b8;--hk-green: #6bb18d;--hk-amber: #b27626;--hk-red: #e37466;--hk-slate: #757d79}:root[data-theme=dark] .hk-surface{border-color:var(--hk-line);background-color:#181818;background-image:none}:root[data-theme=dark] .hk-check-summary{color:var(--hk-muted)}@media(max-width:860px){:root[data-theme=dark] .hk-list-pane{border-right-color:currentcolor}}.text-reader.text-mode-reader{display:flex;flex-direction:column;gap:14px;overflow-y:auto}.text-mode-exercises{display:flex;flex-wrap:wrap;align-items:center;gap:8px;width:min(100%,860px);margin:0 auto}.text-mode-exercises .eyebrow{margin:0 6px 0 0}.ts-progress{display:flex;align-items:center;gap:12px;width:min(100%,860px);margin:0 auto;color:#5b6a60;font-size:.9rem}.ts-progress-bar{flex:1;height:6px;overflow:hidden;border-radius:999px;background:#e3e7e1}.ts-progress-bar span{display:block;height:100%;border-radius:inherit;background:#2f6b4a;transition:width .26s ease}.ts-text{width:min(100%,860px);margin:0 auto;padding:26px 30px;border:1px solid #e1e5df;border-radius:12px;background:#fff;font-size:var(--ts-font-size, 19px);line-height:1.85}.ts-hint{margin:0 0 14px;font-size:.82rem;line-height:1.4}.ts-paragraph{margin:0 0 1em}.ts-sentence{border-radius:6px;padding:2px 3px;cursor:pointer;transition:background-color .14s ease,box-shadow .14s ease;-webkit-box-decoration-break:clone;box-decoration-break:clone}.ts-sentence:hover,.ts-sentence:focus-visible{outline:none;background:#eef4ef;box-shadow:0 0 0 2px #cfe0d4}.ts-sentence.is-translated{background:#eaf4ec;box-shadow:inset 0 -2px #6aa781}.ts-sentence.is-showing{color:#1f4d36;background:#fff6d9;box-shadow:inset 0 -2px #d9b44a;font-style:italic}.ts-sentence-text{display:inline;animation:ts-flip .26s ease}@keyframes ts-flip{0%{opacity:0;filter:blur(2px)}to{opacity:1;filter:none}}.ts-edit{margin-left:2px;padding:0 4px;border:0;border-radius:4px;color:#5b6a60;background:none;font-size:.72em;vertical-align:.15em;cursor:pointer;opacity:.45}.ts-edit:hover,.ts-edit:focus-visible{opacity:1;background:#eef1ec}.ts-focus-backdrop{position:fixed;inset:0;z-index:55;display:grid;place-items:center;padding:16px;background:#141a168c;animation:ts-fade .16s ease}.ts-focus-card{width:min(100%,720px);padding:26px 28px 20px;border-radius:16px;background:#fff;box-shadow:0 24px 70px #0f161259;animation:ts-rise .22s cubic-bezier(.2,.8,.2,1)}.ts-focus-sentence{margin:6px 0 18px;color:#1d211f;font-size:clamp(1.25rem,2.6vw,1.8rem);font-weight:600;line-height:1.45}.ts-focus-card textarea{width:100%;min-height:96px;padding:12px 14px;border:1px solid #cfd6ce;border-radius:10px;font:inherit;font-size:1.1rem;line-height:1.5;resize:vertical}.ts-focus-card textarea:focus{outline:none;border-color:#2f6b4a;box-shadow:0 0 0 3px #2f6b4a2e}.ts-focus-keys{margin:6px 0 14px;font-size:.78rem}.ts-focus-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}@keyframes ts-fade{0%{opacity:0}}@keyframes ts-rise{0%{opacity:0;transform:translateY(14px) scale(.98)}}.dialogue-reader{--tone-0: #2f6b4a;--tone-1: #2c5c99;--tone-2: #9a4b8c;--tone-3: #b0612a;--tone-4: #4b7a8a;--tone-5: #7a6a2a}.dialogue-reader.text-mode-reader{overflow:hidden}.dialogue-cast{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 0}.dialogue-cast-name{border-radius:999px;padding:2px 10px;color:#fff;font-size:.8rem;font-weight:650}.dialogue-thread{flex:1;min-height:0;overflow-y:auto;width:min(100%,820px);margin:0 auto;border:1px solid #e1e5df;border-radius:16px;background:linear-gradient(180deg,#f3f5f1,#eef1ec);font-size:var(--dialogue-font-size, 18px);scroll-behavior:smooth}.dialogue-thread-inner{display:flex;flex-direction:column;justify-content:flex-end;gap:4px;min-height:100%;padding:22px 18px 26px}.dialogue-row{display:flex;align-items:flex-end;gap:8px;max-width:82%;animation:dialogue-in .34s cubic-bezier(.2,.8,.2,1)}.dialogue-row.starts-group{margin-top:12px}.dialogue-row.side-left{align-self:flex-start}.dialogue-row.side-right{align-self:flex-end;flex-direction:row-reverse}.dialogue-avatar,.dialogue-avatar-spacer{flex:none;width:34px;height:34px}.dialogue-avatar{display:grid;place-items:center;border-radius:50%;color:#fff;font-size:.9rem;font-weight:700}.dialogue-bubble-column{display:flex;flex-direction:column;min-width:0}.side-right .dialogue-bubble-column{align-items:flex-end}.dialogue-name{margin:0 12px 3px;color:#5b6a60;font-size:.72em;font-weight:700;letter-spacing:.01em}.dialogue-bubble{max-width:100%;padding:.55em .85em;border:0;border-radius:18px;color:#1d211f;background:#fff;box-shadow:0 1px 2px #141e181f;font:inherit;line-height:1.45;text-align:left;overflow-wrap:anywhere;cursor:pointer;transition:opacity .22s ease,transform .22s ease,box-shadow .22s ease}.side-left .dialogue-bubble{border-bottom-left-radius:6px}.side-right .dialogue-bubble{border-bottom-right-radius:6px;color:#fff}.dialogue-bubble.is-past{opacity:.78}.dialogue-bubble.is-latest{opacity:1;box-shadow:0 4px 14px #141e1829}.dialogue-bubble.is-accent{opacity:1;transform:scale(1.03);box-shadow:0 0 0 3px #f2c94c,0 8px 22px #141e1838}.dialogue-bubble .reader-word,.ts-focus-sentence .reader-word{padding:0 1px;font:inherit;line-height:inherit}.side-right .dialogue-bubble .reader-word:not(.has-note):not(:hover):not(:focus){color:inherit}.dialogue-narration,.dialogue-end{align-self:center;margin:10px 0;border-radius:999px;padding:4px 14px;color:#5b6a60;background:#ffffffb3;font-size:.78em;font-style:italic;text-align:center;animation:dialogue-in .34s ease}.dialogue-typing{display:inline-flex;gap:5px;padding:14px 16px;border-radius:18px;background:#fff;box-shadow:0 1px 2px #141e181f}.side-right .dialogue-typing{background:var(--typing-tone, #2c5c99)}.dialogue-typing i{width:7px;height:7px;border-radius:50%;background:#9aa59d;animation:dialogue-dot .9s infinite ease-in-out}.side-right .dialogue-typing i{background:#ffffffd9}.dialogue-typing i:nth-child(2){animation-delay:.15s}.dialogue-typing i:nth-child(3){animation-delay:.3s}.dialogue-controls{display:flex;align-items:center;gap:10px;width:min(100%,820px);margin:0 auto}.dialogue-controls>*{flex:none;white-space:nowrap}.dialogue-progress{margin-right:auto;color:#5b6a60;font-variant-numeric:tabular-nums}.dialogue-controls .dialogue-next{flex:0 1 180px;min-width:0;min-height:46px;font-size:1.05rem}.tone-0{--tone: var(--tone-0)}.tone-1{--tone: var(--tone-1)}.tone-2{--tone: var(--tone-2)}.tone-3{--tone: var(--tone-3)}.tone-4{--tone: var(--tone-4)}.tone-5{--tone: var(--tone-5)}.dialogue-avatar,.dialogue-cast-name,.side-right .dialogue-bubble{background:var(--tone)}.side-right .dialogue-typing{--typing-tone: var(--tone)}.side-left .dialogue-bubble{box-shadow:inset 3px 0 0 var(--tone),0 1px 2px #141e181f}.side-left .dialogue-bubble.is-accent{box-shadow:inset 3px 0 0 var(--tone),0 0 0 3px #f2c94c,0 8px 22px #141e1838}@keyframes dialogue-in{0%{opacity:0;transform:translateY(18px) scale(.96)}to{opacity:1;transform:none}}@keyframes dialogue-dot{0%,80%,to{transform:translateY(0);opacity:.5}40%{transform:translateY(-5px);opacity:1}}@media(max-width:640px){.ts-text{padding:18px 16px}.dialogue-row{max-width:92%}.dialogue-thread-inner{padding:16px 10px 20px}.dialogue-controls{gap:6px}.dialogue-controls .dialogue-next{flex:1 1 auto}}@media(prefers-reduced-motion:reduce){.dialogue-row,.dialogue-narration,.dialogue-end,.ts-sentence-text,.ts-focus-card,.ts-focus-backdrop,.dialogue-typing i{animation:none}}:root[data-theme=dark] .ts-progress{color:#95a59a}:root[data-theme=dark] .ts-progress-bar{background-color:#2c2f2a;background-image:none}:root[data-theme=dark] .ts-progress-bar span{background-color:#7bb893;background-image:none}:root[data-theme=dark] .ts-text{border-color:#2e312c;background-color:#181818;background-image:none}:root[data-theme=dark] .ts-sentence:hover,:root[data-theme=dark] .ts-sentence:focus-visible{outline-color:currentcolor;background-color:#202421;background-image:none;box-shadow:0 0 0 2px #ffffff0f}:root[data-theme=dark] .ts-sentence.is-translated{background-color:#1f2621;background-image:none;box-shadow:inset 0 -2px #47835f}:root[data-theme=dark] .ts-sentence.is-showing{color:#9acbaf;background-color:#261f08;background-image:none;box-shadow:inset 0 -2px #6a5304}:root[data-theme=dark] .ts-edit{border-color:currentcolor;color:#95a59a;background-color:transparent;background-image:none}:root[data-theme=dark] .ts-edit:hover,:root[data-theme=dark] .ts-edit:focus-visible{background-color:#242622;background-image:none}:root[data-theme=dark] .ts-focus-backdrop{background-color:#d7e0da8c;background-image:none}:root[data-theme=dark] .ts-focus-card{background-color:#181818;background-image:none;box-shadow:0 24px 70px #000000b5}:root[data-theme=dark] .ts-focus-sentence{color:#d4dad7}:root[data-theme=dark] .ts-focus-card textarea{border-color:#3a3f39}:root[data-theme=dark] .ts-focus-card textarea:focus{outline-color:currentcolor;border-color:#7bb893;box-shadow:0 0 0 3px #7bb8932e}:root[data-theme=dark] .dialogue-reader{--tone-0: #7bb893;--tone-1: #78abee;--tone-2: #cb78bb;--tone-3: #c97843;--tone-4: #6e9eae;--tone-5: #ac9c5c}:root[data-theme=dark] .dialogue-cast-name{color:#181818}:root[data-theme=dark] .dialogue-thread{border-color:#2e312c;background-color:transparent;background-image:linear-gradient(180deg,#20221f,#242622)}:root[data-theme=dark] .dialogue-avatar{color:#181818}:root[data-theme=dark] .dialogue-name{color:#95a59a}:root[data-theme=dark] .dialogue-bubble{border-color:currentcolor;color:#d4dad7;background-color:#181818;background-image:none;box-shadow:0 1px 2px #0000004b}:root[data-theme=dark] .side-right .dialogue-bubble{color:#181818}:root[data-theme=dark] .dialogue-bubble.is-latest{box-shadow:0 4px 14px #0000005e}:root[data-theme=dark] .dialogue-bubble.is-accent{box-shadow:0 0 0 3px #524108,0 8px 22px #00000079}:root[data-theme=dark] .side-right .dialogue-bubble .reader-word:not(.has-note):not(:hover):not(:focus){color:inherit}:root[data-theme=dark] .dialogue-narration,:root[data-theme=dark] .dialogue-end{color:#95a59a;background-color:#181818b3;background-image:none}:root[data-theme=dark] .dialogue-typing{background-color:#181818;background-image:none;box-shadow:0 1px 2px #0000004b}:root[data-theme=dark] .side-right .dialogue-typing{background-color:var(--typing-tone, #78abee);background-image:none}:root[data-theme=dark] .dialogue-typing i{background-color:#636e66;background-image:none}:root[data-theme=dark] .side-right .dialogue-typing i{background-color:#181818d9;background-image:none}:root[data-theme=dark] .dialogue-progress{color:#95a59a}:root[data-theme=dark] .tone-0{--tone: var(--tone-0)}:root[data-theme=dark] .tone-1{--tone: var(--tone-1)}:root[data-theme=dark] .tone-2{--tone: var(--tone-2)}:root[data-theme=dark] .tone-3{--tone: var(--tone-3)}:root[data-theme=dark] .tone-4{--tone: var(--tone-4)}:root[data-theme=dark] .tone-5{--tone: var(--tone-5)}:root[data-theme=dark] .dialogue-avatar,:root[data-theme=dark] .dialogue-cast-name,:root[data-theme=dark] .side-right .dialogue-bubble{background-color:var(--tone);background-image:none}:root[data-theme=dark] .side-right .dialogue-typing{--typing-tone: var(--tone)}:root[data-theme=dark] .side-left .dialogue-bubble{box-shadow:inset 3px 0 0 var(--tone),0 1px 2px #0000004b}:root[data-theme=dark] .side-left .dialogue-bubble.is-accent{box-shadow:inset 3px 0 0 var(--tone),0 0 0 3px #524108,0 8px 22px #00000079}.hint-dock{--hint-panel-width: min(520px, calc(100vw - 64px) );position:fixed;top:88px;right:0;bottom:24px;z-index:45;display:flex;align-items:flex-start;pointer-events:none}.hint-dock-tabs,.hint-dock-panel{pointer-events:auto}.hint-dock-tabs{display:flex;flex-direction:column;gap:6px;max-height:100%;margin-top:12px;overflow-y:auto}.hint-dock-tab{display:flex;align-items:center;justify-content:center;width:40px;min-height:96px;max-height:220px;padding:12px 0;border:1px solid #cdd3ce;border-right:0;border-radius:10px 0 0 10px;color:#4a524c;background:#e6e9e5;box-shadow:-4px 6px 18px #12171438;cursor:pointer;font-size:.82rem;font-weight:700}.hint-dock-tab span{overflow:hidden;max-height:196px;text-overflow:ellipsis;white-space:nowrap;writing-mode:vertical-rl;transform:rotate(180deg)}.hint-dock-tab:hover{color:#1d2a22;background:#d9ddd8}.hint-dock-tab.active,.hint-dock-tab.active:hover{color:#fff;border-color:#2f5a43;background:#2f6b4a}.hint-dock-panel{display:flex;flex-direction:column;width:0;height:100%;overflow:hidden;border-radius:10px 0 0 10px;color:#1d211f;background:#fff;box-shadow:-14px 0 40px #1217143d;transition:width .18s ease}.hint-dock.is-open .hint-dock-panel{width:var(--hint-panel-width)}.hint-dock-panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;min-width:var(--hint-panel-width);padding:16px 18px 10px;border-bottom:1px solid #e3e6e0}.hint-dock-panel-header h2{margin:0;font-size:1.1rem}.hint-dock-panel-header .eyebrow{margin:0 0 2px;color:#5b6a60}.hint-dock-panel-actions{display:flex;gap:6px;flex:none}.hint-dock-panel-title{display:block;min-width:0;padding:0;border:0;color:inherit;background:none;font:inherit;text-align:left;cursor:pointer}.hint-dock-panel-title .eyebrow{display:block}.hint-dock-unpin{min-height:34px;padding:4px 12px;border:1px solid #d5dbd4;border-radius:6px;color:#1d211f;background:#f4f6f3;cursor:pointer;font-weight:600}.hint-dock-unpin{padding-inline:10px;font-size:1.1rem;line-height:1}.hint-content{min-width:var(--hint-panel-width);padding:14px 18px 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small{color:#66706a}.hint-picker-manage{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px;padding-right:8px}.hint-editor{width:min(100%,860px);max-height:92vh;color:#1d211f}.hint-editor-fields{display:grid;grid-template-columns:2fr 1fr;gap:12px;margin-bottom:12px}.hint-editor-fields label{display:grid;gap:4px;font-size:.85rem;font-weight:600}.hint-editor-content{min-height:240px}.hints-library-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.hints-library-header h2{margin:0 0 4px}.hints-library-search{width:min(100%,420px);margin:12px 0}.hints-library-group h3{margin:18px 0 8px;font-size:.95rem}.hints-library-group ul{display:grid;gap:8px;margin:0;padding:0;list-style:none}.hints-library-item{border:1px solid var(--border, #dcded8);border-radius:8px;background:var(--panel, 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.student-text-review-passage{border-color:var(--border);background-color:#181818;background-image:none}:root[data-theme=dark] .student-text-review-passage mark{background-color:#2e2400;background-image:none}:root[data-theme=dark] .student-text-review-passage mark.correct{background-color:#202f25;background-image:none}:root[data-theme=dark] .student-text-review-passage mark.wrong{background-color:#3c2927;background-image:none}:root[data-theme=dark] .sample-chunk-button{border-color:#303929;color:#a0c29e;background-color:#1e201b;background-image:none}:root[data-theme=dark] .sample-chunk-button:hover{background-color:#25291f;background-image:none}:root[data-theme=dark] .sample-chunk-button[aria-pressed=true]{border-color:#a0c29e;color:#181818;background-color:#a0c29e;background-image:none}:root[data-theme=dark] .sample-stats-panel{border-color:var(--border);background-color:#1d1c1a;background-image:none}:root[data-theme=dark] 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