:root{color-scheme:light dark;--ground: light-dark(#faf9f7, #0c1626);--surface: light-dark(#ffffff, #14202f);--hairline: light-dark(#e4e0d6, #24334a);--ink: light-dark(#1d1f23, #eceff3);--ink-muted: light-dark(#5e5a50, #9aa6b6);--surface-recessed: light-dark(#f1efea, #0a1220);--ink-faint: light-dark(#b8b4aa, #7c8a9c);--error: light-dark(#b3261e, #f2b8b5);--on-error: light-dark(#fdfbf6, #3b0906);--fountain: light-dark(#1e4f8e, #3e8bf9);--fountain-on: light-dark(#fdfbf6, #08121f);--fountain-wash: light-dark(#e8eef6, #172c46);--fountain-on-wash: light-dark(#1e4f8e, #8fbdf9);--viridian: light-dark(#0f6b5f, #3fbfa8);--viridian-on: light-dark(#fdfbf6, #04211c);--viridian-wash: light-dark(#e4f0ed, #123430);--viridian-on-wash: light-dark(#0f6b5f, #74d9c4);--oxblood: light-dark(#8a2f3b, #e4737f);--oxblood-on: light-dark(#fdfbf6, #2a0a0e);--oxblood-wash: light-dark(#f7e7e9, #3a1a20);--oxblood-on-wash: light-dark(#8a2f3b, #f0a0a9);--plum: light-dark(#5b3e8c, #a98be0);--plum-on: light-dark(#fdfbf6, #1a1027);--plum-wash: light-dark(#eee8f5, #271b3c);--plum-on-wash: light-dark(#5b3e8c, #c5aeec);--ochre: light-dark(#8a5a12, #d79a34);--ochre-on: light-dark(#fdfbf6, #2a1c05);--ochre-wash: light-dark(#f6eddd, #3a2a0e);--ochre-on-wash: light-dark(#7a4f10, #e9bc70);--slate-ink: light-dark(#2f3b46, #8fa3b5);--slate-ink-on: light-dark(#fdfbf6, #131a20);--slate-ink-wash: light-dark(#e9ecef, #1e262e);--slate-ink-on-wash: light-dark(#2f3b46, #b4c4d2);--accent: var(--fountain);--on-accent: var(--fountain-on);--accent-wash: var(--fountain-wash);--on-accent-wash: var(--fountain-on-wash);--hl-yellow: light-dark(#fff3a6, #4a431c);--hl-mint: light-dark(#c7f0d9, #17402e);--hl-lilac: light-dark(#e6d6ff, #322a4c);--hl-peach: light-dark(#ffdcc2, #4a3222);--amber: light-dark(#9a6b12, #f2d67e);--rose: light-dark(#b03f5c, #f3afc0);--violet: light-dark(#6a4fbf, #c9b8f5);--blue: light-dark(#1e4f8e, #a9c6ea);--green: light-dark(#2f7d57, #9bdcb8);--slate: light-dark(#44506b, #a7b2c9);--stone: light-dark(#6e6a60, #c6c0b2);--label-teal: light-dark(#1f6f73, #8ad3d6);--margin-rule: #c97a7a;--arabic: "Noto Naskh Arabic", "Noto Sans Hebrew";--urdu: "Noto Nastaliq Urdu", "Noto Naskh Arabic";--display: "DM Serif Display", Georgia, var(--arabic), serif;--sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, var(--arabic), sans-serif;--mono: "IBM Plex Mono", ui-monospace, Menlo, var(--arabic), monospace;--script: "Caveat", var(--arabic), cursive;--size-wordmark: clamp(44px, 5vw, 60px);--size-hero: clamp(34px, 3.6vw, 44px);--size-screen-heading: 27px;--size-note-title: 21px;--size-body: 15.5px;--size-secondary: 13.5px;--size-button: 14px;--size-navigation: 11px;--size-metadata: 11px;--size-eyebrow: 10px;--size-tag: 16px;--size-handwriting: 23px;--radius-xs: 8px;--radius-sm: 10px;--radius: 14px;--radius-lg: 20px;--radius-xl: 28px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px}:root[data-theme=light]{color-scheme:light}:root[data-theme=dark]{color-scheme:dark}:root[data-theme=paper]{color-scheme:light;--ground: #f3efe6;--surface: #fdfbf6;--surface-recessed: #eae5d9;--hairline: #dbd6c9;--ink-muted: #5c5849}:root[data-accent=viridian]{--accent: var(--viridian);--on-accent: var(--viridian-on);--accent-wash: var(--viridian-wash);--on-accent-wash: var(--viridian-on-wash)}:root[data-accent=oxblood]{--accent: var(--oxblood);--on-accent: var(--oxblood-on);--accent-wash: var(--oxblood-wash);--on-accent-wash: var(--oxblood-on-wash)}:root[data-accent=plum]{--accent: var(--plum);--on-accent: var(--plum-on);--accent-wash: var(--plum-wash);--on-accent-wash: var(--plum-on-wash)}:root[data-accent=ochre]{--accent: var(--ochre);--on-accent: var(--ochre-on);--accent-wash: var(--ochre-wash);--on-accent-wash: var(--ochre-on-wash)}:root[data-accent=slate]{--accent: var(--slate-ink);--on-accent: var(--slate-ink-on);--accent-wash: var(--slate-ink-wash);--on-accent-wash: var(--slate-ink-on-wash)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:var(--size-body);line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,.t-wordmark,.t-hero,.t-screen-heading,.t-note-title{font-family:var(--display);font-weight:400;font-synthesis:none;color:var(--ink);line-height:1.2;margin:0}.t-wordmark{font-size:var(--size-wordmark);line-height:1.1}.t-hero{font-size:var(--size-hero);line-height:1.15}.t-screen-heading,h1{font-size:var(--size-screen-heading)}.t-note-title,h2{font-size:var(--size-note-title)}h3{font-size:19px}.t-body{font-family:var(--sans);font-size:var(--size-body);line-height:1.55}.t-secondary{font-family:var(--sans);font-size:var(--size-secondary);line-height:1.48}.t-button{font-family:var(--sans);font-weight:600;font-size:var(--size-button);letter-spacing:.007em}.t-nav{font-family:var(--sans);font-weight:500;font-size:var(--size-navigation);letter-spacing:.009em}.t-metadata,.mono{font-family:var(--mono);font-weight:500;font-size:var(--size-metadata);letter-spacing:.04em;color:var(--ink-muted)}.t-eyebrow,.eyebrow{font-family:var(--mono);font-weight:500;font-size:var(--size-eyebrow);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-muted)}.t-tag{font-family:var(--script);font-weight:600;font-size:var(--size-tag);line-height:1.15}.t-handwriting{font-family:var(--script);font-weight:500;font-size:var(--size-handwriting);line-height:1.35}.mut{color:var(--ink-muted)}[lang=ar],[lang=he]{font-family:var(--arabic)}[lang=ur]{font-family:var(--urdu);line-height:2.05}[dir=rtl]{text-align:start}.symbol{font-family:Material Symbols Rounded;font-weight:400;font-style:normal;line-height:1;letter-spacing:normal;text-transform:none;display:inline-block;white-space:nowrap;direction:ltr;font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 24;-webkit-font-feature-settings:"liga";font-feature-settings:"liga";-webkit-font-smoothing:antialiased}.symbol[data-filled=true]{font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 24}button{font-family:inherit;cursor:pointer}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;border-bottom:1px solid var(--hairline);background:var(--surface);position:sticky;top:0;z-index:10}.lockup{display:flex;align-items:center;gap:10px;color:var(--ink)}.lockup:hover{text-decoration:none}.mark{display:block}.wordmark{font-family:var(--display);font-weight:400;font-size:23px;letter-spacing:-.005em}.account{display:flex;align-items:center;gap:14px}.account-email{color:var(--ink-muted)}.account-email:hover{color:var(--accent);text-decoration:underline}.btn-text{background:none;border:none;color:var(--accent);font-size:14px;padding:6px 2px}.btn-text:hover{text-decoration:underline}.splash,.signin{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:32px;text-align:center}.signin-title{font-size:var(--size-hero);margin-top:12px}.signin-tag{font-size:17px;margin:0 0 22px}.signin-note{margin-top:20px}.signin-error{color:var(--error);font-size:14px;max-width:42ch}.btn-primary{background:var(--accent);color:var(--on-accent);border:none;border-radius:999px;padding:12px 22px;font-size:var(--size-button);font-weight:600;letter-spacing:.007em}.btn-primary:hover{filter:brightness(1.05)}.btn-primary:disabled{opacity:.6;cursor:default}.library,.detail{max-width:960px;margin:0 auto;padding:24px 20px 64px}.filters{display:flex;gap:12px;margin-bottom:22px;flex-wrap:wrap}.search{display:flex;align-items:center;gap:8px;flex:1 1 240px;border:1px solid var(--hairline);border-radius:var(--radius-sm);padding:8px 12px;background:var(--surface);color:var(--ink-muted)}.search input{border:none;background:none;outline:none;flex:1;font-size:15px;color:var(--ink)}.filter-select{border:1px solid var(--hairline);border-radius:var(--radius-sm);padding:8px 12px;background:var(--surface);color:var(--ink);font-size:14px}.state{padding:48px 0;text-align:center}.state.error{color:var(--error)}.note-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.note-card{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:8px;border:1px solid var(--hairline);border-radius:var(--radius);padding:16px 16px 16px 18px;background:var(--surface);color:var(--ink);transition:border-color .15s ease}.note-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--spine, var(--accent))}.note-card:hover{text-decoration:none;border-color:var(--accent)}.note-sections{display:flex;flex-direction:column;gap:22px}.note-section{display:flex;flex-direction:column;gap:12px}.note-section-head{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-weight:500;font-size:var(--size-eyebrow);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-muted)}.note-section-head .rule{flex:1;height:1px;background:var(--hairline)}.banner{display:flex;align-items:center;gap:11px;border:1px solid var(--hairline);border-radius:var(--radius-sm);padding:11px 13px;font-size:13px}.banner-body{flex:1;min-width:0}.banner-title{margin:0 0 2px;font-weight:600;color:var(--ink)}.banner-msg{margin:0;color:var(--ink-muted);line-height:1.45}.banner-info{background:var(--accent-wash)}.banner-info>.symbol{color:var(--accent)}.banner-neutral{background:var(--surface)}.banner-error{background:var(--surface);border-color:var(--error)}.banner-error .banner-msg,.banner-error>.symbol{color:var(--error)}.banner-x{flex:none;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border:none;background:none;color:var(--ink-muted);cursor:pointer;border-radius:6px}.banner-x:hover{background:var(--surface-recessed)}.note-card-meta{font-size:var(--size-metadata);letter-spacing:.04em}.note-card-title{font-size:var(--size-note-title);line-height:1.2}.note-card-snippet{font-size:var(--size-secondary);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.note-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}.folder-tag{font-family:var(--mono);font-size:var(--size-metadata);letter-spacing:.04em;color:var(--ink-muted);border:1px solid var(--hairline);border-radius:999px;padding:3px 9px}.label-pip{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--ink);border:1px solid var(--hairline);border-radius:999px;padding:3px 9px 3px 7px}.label-dot{width:8px;height:8px;border-radius:50%;flex:none}.back{display:inline-flex;align-items:center;gap:4px;color:var(--ink-muted);margin-bottom:18px}.back:hover{color:var(--accent);text-decoration:none}.detail-meta{font-size:var(--size-metadata);letter-spacing:.04em}.detail-title{font-size:var(--size-screen-heading);margin:6px 0 14px}.detail-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.detail-summary{border-left:3px solid var(--accent);background:var(--accent-wash);margin:0 0 22px;padding:12px 16px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:italic;color:var(--ink)}.detail-section{margin-top:34px}.detail-h2{font-size:var(--size-note-title);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--hairline)}.detail-thumb{max-width:100%;border:1px solid var(--hairline);border-radius:var(--radius)}.md{font-size:16px}.md h1,.md h2,.md h3,.md h4{font-family:var(--display);font-weight:400;font-synthesis:none;margin:1.4em 0 .5em;line-height:1.2}.md h1{font-size:26px}.md h2{font-size:22px}.md h3{font-size:18px}.md p{margin:.7em 0}.md a{color:var(--accent)}.md code{font-family:var(--mono);font-size:.85em;background:var(--accent-wash);padding:1px 5px;border-radius:4px}.md pre{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--radius-sm);padding:14px;overflow-x:auto}.md pre code{background:none;padding:0}.md blockquote{border-left:3px solid var(--ink-faint);margin:1em 0;padding-left:14px;color:var(--ink-muted)}.md ul,.md ol{padding-left:1.4em}.md table{border-collapse:collapse;width:100%;display:block;overflow-x:auto;margin:1em 0}.md th,.md td{border:1px solid var(--hairline);padding:8px 12px;text-align:left}.md th{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-muted)}.md img{max-width:100%;border-radius:var(--radius-sm)}.diagram{margin:1.4em 0;border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.diagram img{display:block;max-width:100%;margin:0 auto}.diagram-svg{padding:14px;overflow-x:auto}.diagram-svg svg{display:block;max-width:100%;height:auto;margin:0 auto}.diagram figcaption{border-top:1px solid var(--hairline);padding:10px 14px;display:flex;flex-direction:column;gap:4px}.diagram-cap{font-size:14px}.diagram-attr{font-size:11px;color:var(--ink-muted)}.diagram-caption{font-style:italic}.flashcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.flashcard{display:flex;flex-direction:column;gap:8px;text-align:left;border:1px solid var(--hairline);border-radius:var(--radius);padding:14px 16px;background:var(--surface);color:var(--ink);min-height:96px}.flashcard:hover{border-color:var(--accent)}.flashcard-front{font-family:var(--display);font-weight:400;font-size:16px}.flashcard-back{font-size:var(--size-secondary);color:var(--ink-muted)}.flashcard.revealed .flashcard-back{color:var(--ink)}.app-shell{display:flex;min-height:100vh}.app-main{flex:1;min-width:0;display:flex;flex-direction:column}.app-content{flex:1;padding:28px clamp(20px,4vw,44px)}.page{max-width:960px;margin:0 auto}.sidebar{width:236px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--hairline);display:flex;flex-direction:column;gap:2px;padding:16px 12px;position:sticky;top:0;height:100vh}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:6px 8px 14px;color:var(--ink)}.sidebar-brand:hover{text-decoration:none}.search-trigger{display:flex;align-items:center;gap:8px;margin:0 4px 12px;padding:9px 11px;border:1px solid var(--hairline);border-radius:var(--radius-sm);background:var(--ground);color:var(--ink-muted);font-size:13px}.search-trigger:hover{border-color:var(--accent)}.search-trigger kbd{margin-left:auto;font-family:var(--mono);font-size:10px;border:1px solid var(--hairline);border-radius:5px;padding:1px 5px;background:var(--surface)}.sidebar-nav{display:flex;flex-direction:column;gap:2px}.nav-item{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--ink);font-size:14px;font-weight:500}.nav-item:hover{text-decoration:none;background:var(--ground)}.nav-item .symbol{color:var(--ink-muted)}.nav-item.active{background:var(--accent-wash);color:var(--accent)}.nav-item.active .symbol{color:var(--accent)}.nav-count{margin-left:auto;font-size:11px;color:var(--ink-muted)}.sidebar-foot{margin-top:auto;padding-top:10px;border-top:1px solid var(--hairline);display:flex;align-items:center;gap:8px}.profile-link{display:flex;align-items:center;gap:10px;flex:1;min-width:0;padding:6px;border-radius:var(--radius-sm);color:var(--ink)}.profile-link:hover{text-decoration:none;background:var(--ground)}.profile-link.active{background:var(--accent-wash)}.avatar{width:28px;height:28px;border-radius:50%;background:var(--accent-wash);color:var(--accent);display:grid;place-items:center;font-size:13px;font-weight:600;flex:none}.avatar.lg{width:52px;height:52px;font-size:22px}.profile-meta{display:flex;flex-direction:column;min-width:0;line-height:1.25}.profile-name{font-size:13px;font-weight:500}.profile-email{font-size:11px;color:var(--ink-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.theme-btn,.icon-btn{border:1px solid var(--hairline);background:var(--surface);border-radius:var(--radius-sm);width:34px;height:34px;display:grid;place-items:center;color:var(--ink-muted);flex:none}.theme-btn:hover,.icon-btn:hover{color:var(--accent);border-color:var(--accent)}.mobile-bar{display:none;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--hairline);background:var(--surface);position:sticky;top:0;z-index:20}.mobile-bar .lockup{margin:0 auto}.mobile-bar .icon-btn{border:none;background:none}.drawer-scrim{display:none}@media(max-width:820px){.sidebar{position:fixed;z-index:40;transform:translate(-100%);transition:transform .24s ease;box-shadow:0 0 60px #0000004d}.sidebar.open{transform:none}.drawer-scrim{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#1c19176b;z-index:35}.mobile-bar{display:flex}.app-content{padding:16px}}.page-title{font-size:var(--size-screen-heading);margin-bottom:4px}.page-title.with-icon{display:flex;align-items:center;gap:12px}.title-ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;flex:none}.page-sub{color:var(--ink-muted);font-size:14px;margin:0 0 22px}.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:4px;font-family:var(--mono);font-weight:500;font-size:var(--size-eyebrow);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-muted);margin-bottom:8px}.crumb-item{display:inline-flex;align-items:center;gap:4px}.crumb a{color:var(--ink-muted)}.crumb a:hover{color:var(--accent)}.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;padding:64px 20px;text-align:center}.empty-state .symbol{color:var(--ink-faint)}.empty-state p{max-width:40ch}.tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}.folder-tile{display:flex;flex-direction:column;gap:10px;border:1px solid var(--hairline);border-radius:var(--radius);padding:16px;background:var(--surface);color:var(--ink)}.folder-tile:hover{text-decoration:none;border-color:var(--accent)}.folder-ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex:none}.folder-name{font-family:var(--display);font-size:16px;font-weight:400}.folder-meta{font-size:11px;color:var(--ink-muted)}.book-tile{display:flex;flex-direction:column;gap:8px;border:1px solid var(--hairline);border-radius:var(--radius);padding:16px;background:var(--surface);color:var(--ink)}.book-tile:hover{text-decoration:none;border-color:var(--accent)}.book-ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex:none;color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,transparent)}.book-name{font-family:var(--display);font-size:16px;font-weight:400}.book-author{font-size:13px;color:var(--ink-muted)}.book-meta{font-size:11px;color:var(--ink-muted)}.book-title-ic{color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,transparent)}.book-progress{margin-bottom:10px}.book-bar{height:6px;border-radius:999px;background:var(--hairline);overflow:hidden}.book-bar-fill{display:block;height:100%;background:var(--accent);border-radius:999px}.book-progress-text{font-size:11px;color:var(--ink-muted);margin:6px 0 0}.book-outline-source{font-size:12px;margin:0 0 16px}.book-action{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--hairline);border-radius:var(--radius);padding:10px 14px;background:var(--surface);color:var(--ink);margin-bottom:22px}.book-action:hover{text-decoration:none;border-color:var(--accent)}.book-action .symbol{color:var(--accent)}.book-action .mono{font-size:11px;color:var(--ink-muted)}.section-head{font-family:var(--mono);font-size:var(--size-eyebrow);text-transform:uppercase;letter-spacing:.16em;color:var(--ink-muted);font-weight:500;margin:0 0 8px}.contents-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.contents-list li{display:flex;align-items:center;gap:4px}.contents-row{display:flex;align-items:center;gap:10px;width:100%;border-radius:var(--radius-sm);padding:10px 12px;color:var(--ink)}button.contents-row{background:none;border:0;font:inherit;text-align:start;cursor:pointer}.contents-study{display:inline-flex;align-items:center;padding:8px;border-radius:var(--radius-sm);color:var(--ink-muted);flex:none}.contents-study:hover{background:var(--surface);color:var(--accent)}.contents-head{display:flex;align-items:baseline;gap:12px}.contents-fold-all{background:none;border:0;padding:4px 6px;color:var(--accent);cursor:pointer}.contents-fold-all:hover{text-decoration:underline}.contents-row:hover{text-decoration:none;background:var(--surface)}.contents-row.is-static{cursor:default;color:var(--ink-muted)}.contents-row .symbol{color:var(--ink-muted);flex:none}.contents-title{flex:1;min-width:0;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.contents-title.is-chapter{font-family:var(--display);font-weight:400}.contents-meta{font-size:11px;color:var(--ink-muted);flex:none}.lesson-dot{width:8px;height:8px;border-radius:50%;border:1px solid var(--hairline);flex:none}.lesson-dot.ready{background:var(--accent);border-color:var(--accent)}@media(max-width:640px){.contents-meta{display:none}}.label-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.label-row{display:flex;align-items:center;gap:12px;border:1px solid var(--hairline);border-radius:var(--radius);padding:12px 16px;background:var(--surface);color:var(--ink)}.label-row:hover{text-decoration:none;border-color:var(--accent)}.label-row-meta{margin-left:auto;font-size:11px;color:var(--ink-muted)}.label-row>.symbol{color:var(--ink-muted)}.label-chip{display:inline-flex;align-items:center;gap:7px;padding:5px 12px 5px 9px;border:1px solid;border-radius:999px;font-size:13px;font-weight:500}.label-chip-name{color:var(--ink);font-family:var(--script);font-weight:600;font-size:var(--size-tag)}.label-glyph{font-family:var(--display);font-weight:400;font-size:15px}.scope-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;max-width:560px}.scope-row{display:flex;align-items:center;gap:12px;border:1px solid var(--hairline);border-radius:var(--radius);padding:14px 16px;background:var(--surface);color:var(--ink)}.scope-row:hover{text-decoration:none;border-color:var(--accent)}.scope-row .symbol{color:var(--accent)}.scope-title{font-family:var(--display);font-weight:400;font-size:15px}.scope-count{margin-left:auto;font-size:11px;color:var(--ink-muted)}.scope-row>.symbol:last-child{color:var(--ink-muted)}.study-session{display:flex;flex-direction:column;align-items:center}.study-session .crumb{align-self:flex-start}.study-progress{width:min(460px,100%);display:flex;align-items:center;gap:12px;margin-bottom:20px}.study-progress .mono{font-size:11px;white-space:nowrap}.study-bar{flex:1;height:5px;background:var(--hairline);border-radius:3px;overflow:hidden}.study-bar i{display:block;height:100%;background:var(--accent);border-radius:3px;transition:width .2s ease}.flip-card{width:min(460px,100%);aspect-ratio:3 / 2;perspective:1400px;border:none;background:none;padding:0}.flip-inner{position:relative;display:block;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}.flip-card.flipped .flip-inner{transform:rotateY(180deg)}.flip-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:30px;border:1px solid var(--hairline);border-radius:var(--radius-xl);background:var(--surface)}.flip-back{transform:rotateY(180deg);background:var(--accent-wash)}.flip-label{position:absolute;top:14px;left:18px;font-family:var(--mono);font-weight:500;font-size:var(--size-eyebrow);text-transform:uppercase;letter-spacing:.16em;color:var(--ink-muted)}.flip-text{font-family:var(--display);font-weight:400;font-size:22px;line-height:1.3;color:var(--ink)}.flip-back .flip-text{color:var(--accent)}.flip-hint{position:absolute;bottom:16px;font-size:11px;color:var(--ink-muted)}.study-controls{display:flex;align-items:center;gap:18px;margin-top:22px}.ctrl{width:46px;height:46px;border-radius:50%;border:1px solid var(--hairline);background:var(--surface);display:grid;place-items:center;color:var(--ink)}.ctrl:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.ctrl:disabled{opacity:.4;cursor:default}.study-keys{margin-top:18px;font-size:11px;color:var(--ink-muted)}.study-keys kbd{border:1px solid var(--hairline);border-radius:5px;padding:1px 6px;margin:0 2px;background:var(--surface)}.account-page{max-width:600px}.profile-hero{display:flex;align-items:center;gap:16px;padding:20px;border:1px solid var(--hairline);border-radius:var(--radius);background:var(--surface);margin-bottom:24px}.profile-hero-meta{display:flex;flex-direction:column;min-width:0}.profile-hero-meta b{font-family:var(--display);font-weight:400;font-size:var(--size-note-title)}.profile-hero-meta .mono{font-size:13px}.btn-ghost{margin-left:auto;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--hairline);background:var(--surface);border-radius:var(--radius-sm);padding:8px 14px;color:var(--ink);font-size:14px}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.row-list{border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.settings-row{display:flex;align-items:center;gap:14px;padding:15px 18px;border-bottom:1px solid var(--hairline);color:var(--ink)}.settings-row:last-child{border-bottom:none}.settings-row:hover{text-decoration:none;background:var(--ground)}.settings-row>.symbol{color:var(--ink-muted)}.settings-row-text{flex:1;display:flex;flex-direction:column}.settings-row-text b{font-weight:500}.settings-row-text small{color:var(--ink-muted);font-size:12px}.settings-row.danger>.symbol,.settings-row.danger .settings-row-text b{color:var(--error)}.account-ver{font-size:11px;margin-top:16px}.study-these{display:inline-flex;align-items:center;gap:8px;margin-top:16px;border-radius:var(--radius-sm);padding:10px 18px}.review-flag{display:inline-flex;align-items:center;gap:3px;color:var(--amber);margin-left:8px}.note-card-meta{display:flex;align-items:center;justify-content:space-between;gap:8px}.toggle-pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--hairline);background:var(--surface);border-radius:999px;padding:8px 14px;font-size:13px;color:var(--ink)}.toggle-pill.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.palette-scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:#1c19176b;display:flex;justify-content:center;align-items:flex-start;padding-top:12vh;z-index:60}.palette{width:min(560px,92%);background:var(--surface);border:1px solid var(--hairline);border-radius:var(--radius);box-shadow:0 30px 80px #00000059;overflow:hidden}.palette-input{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--hairline)}.palette-input .symbol{color:var(--ink-muted)}.palette-input input{flex:1;border:none;outline:none;background:none;font-family:inherit;font-size:16px;color:var(--ink)}.palette-esc{font-family:var(--mono);font-size:10px;border:1px solid var(--hairline);border-radius:5px;padding:2px 6px;color:var(--ink-muted)}.palette-results{max-height:52vh;overflow:auto;padding:6px 0}.palette-hint{padding:18px;font-size:14px}.palette-section{padding:10px 18px 4px;font-family:var(--mono);font-weight:500;font-size:var(--size-eyebrow);text-transform:uppercase;letter-spacing:.16em;color:var(--ink-muted)}.palette-row{display:flex;align-items:center;gap:12px;width:100%;padding:10px 18px;border:none;background:none;text-align:left;font-size:14px;color:var(--ink)}.palette-row.active{background:var(--accent-wash)}.palette-row.active .symbol{color:var(--accent)}.palette-row .symbol{color:var(--ink-muted)}.palette-dot{width:10px;height:10px;border-radius:50%;flex:none}.palette-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.palette-sub{font-size:11px;color:var(--ink-muted);flex:none}.palette-foot{display:flex;gap:16px;padding:10px 18px;border-top:1px solid var(--hairline);font-size:10px;color:var(--ink-muted)}.palette-foot kbd{border:1px solid var(--hairline);border-radius:4px;padding:1px 5px;margin-right:3px}.appearance{margin-top:28px}.pref-card{border:1px solid var(--hairline);border-radius:var(--radius);background:var(--surface);padding:var(--space-4) var(--space-5);display:flex;flex-direction:column;gap:var(--space-4)}.pref-row{display:flex;align-items:center;gap:var(--space-4);flex-wrap:wrap}.pref-label{flex:1;min-width:84px;font-size:var(--size-body)}.pill-group{display:inline-flex;gap:var(--space-1);padding:var(--space-1);border:1px solid var(--hairline);border-radius:999px;background:var(--ground);flex-wrap:wrap}.pill{border:none;background:none;border-radius:999px;padding:6px 14px;color:var(--ink-muted);font-family:var(--sans);font-weight:600;font-size:var(--size-button)}.pill:hover{color:var(--ink)}.pill.on{background:var(--accent-wash);color:var(--on-accent-wash)}.ink-group{display:inline-flex;gap:var(--space-2);flex-wrap:wrap}.ink{width:28px;height:28px;border-radius:50%;border:1px solid var(--hairline);display:grid;place-items:center;padding:0}.ink:hover{border-color:var(--ink-muted)}.ink[data-ink=fountain]{background:var(--fountain);color:var(--fountain-on)}.ink[data-ink=viridian]{background:var(--viridian);color:var(--viridian-on)}.ink[data-ink=oxblood]{background:var(--oxblood);color:var(--oxblood-on)}.ink[data-ink=plum]{background:var(--plum);color:var(--plum-on)}.ink[data-ink=ochre]{background:var(--ochre);color:var(--ochre-on)}.ink[data-ink=slate]{background:var(--slate-ink);color:var(--slate-ink-on)}.header-link{font-size:14px;color:var(--ink)}.btn-signin,.btn-onblue{border:none;border-radius:999px;padding:9px 18px;font-size:14px;font-weight:600;background:var(--accent);color:var(--on-accent)}.btn-signin:hover,.btn-onblue:hover{filter:brightness(1.05)}.btn-signin:disabled,.btn-onblue:disabled{opacity:.6;cursor:default}.btn-onblue{background:#f3efe6;color:#1e4f8e;white-space:nowrap}.landing{max-width:960px;margin:0 auto;padding:24px 20px 8px}.section{padding:40px 0;border-top:1px solid var(--hairline)}.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;padding:48px 0 40px}.hero-eyebrow{margin:0 0 14px}.hero-title{font-family:var(--display);font-weight:400;font-size:var(--size-hero);line-height:1.1;margin:0 0 16px}.hero-sub{font-size:17px;color:var(--ink-muted);margin:0 0 26px;max-width:46ch}.hero-art{display:flex;justify-content:center}.play-badge{display:inline-flex;align-items:center;gap:12px;background:#111;color:#fff;border-radius:10px;padding:10px 18px}.play-badge:hover{text-decoration:none;filter:brightness(1.1)}.play-tri{width:0;height:0;border-left:15px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent}.play-copy{display:flex;flex-direction:column;line-height:1.15}.play-copy small{font-size:10px;letter-spacing:.08em;opacity:.85}.play-copy strong{font-size:19px;font-weight:600}.phone-frame{width:168px;height:300px;border:4px solid var(--ink);border-radius:26px;background:var(--surface);padding:14px}.phone-line{height:10px;background:var(--hairline);border-radius:5px;margin:8px 0}.phone-line.w80{width:80%}.phone-line.w60{width:60%}.phone-card{border:1px solid var(--hairline);border-radius:10px;padding:10px;margin-top:12px}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.feature-ic{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;background:var(--accent-wash);color:var(--accent);margin-bottom:12px}.feature-title{font-size:17px;margin:0 0 6px}.feature-body{font-size:14px;color:var(--ink-muted);margin:0}.screens{display:flex;gap:16px;overflow-x:auto}.screen{flex:0 0 auto;width:150px;height:auto;border:3px solid var(--ink);border-radius:20px;background:var(--surface);display:block;object-fit:cover}.webband{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#1e4f8e;color:#f3efe6;border-radius:var(--radius);padding:26px 28px}.webband-copy h3{color:#f3efe6;font-size:var(--size-note-title);margin:0 0 6px}.webband-copy p{margin:0;color:#d8e5f5;font-size:15px;max-width:52ch}@media(max-width:720px){.hero{grid-template-columns:1fr;text-align:center}.hero-sub{margin-left:auto;margin-right:auto}.hero-art{order:-1}.features{grid-template-columns:repeat(2,1fr)}.webband{flex-direction:column;align-items:flex-start}}.footer{max-width:960px;margin:0 auto;padding:26px 20px 48px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--hairline);flex-wrap:wrap}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.footer-copy{color:var(--ink-muted)}.legal{max-width:720px;margin:0 auto;padding:40px 20px 24px}.legal-head{margin-bottom:28px}.legal-head h1{font-size:var(--size-hero)}.legal-eff{margin:8px 0 0}.legal-prose h2{font-size:var(--size-note-title);margin:30px 0 10px}.legal-prose p{margin:10px 0;color:var(--ink)}.legal-prose code{font-family:var(--mono);font-size:.85em;background:var(--accent-wash);padding:1px 5px;border-radius:4px}.danger-card{border:1px solid var(--hairline);border-radius:var(--radius);padding:18px 20px;margin:18px 0}.danger-card h3{font-size:18px;margin:0 0 6px}.danger-card p{color:var(--ink-muted);font-size:14px;margin:0 0 14px}.btn-danger{background:var(--error);color:var(--on-error);border:none;border-radius:999px;padding:10px 18px;font-size:14px;font-weight:500}.btn-danger:hover{filter:brightness(1.05)}.btn-danger:disabled{opacity:.5;cursor:default}.danger-confirm label{display:block;font-size:14px;color:var(--ink)}.danger-input{display:block;margin-top:8px;width:220px;max-width:100%;border:1px solid var(--hairline);border-radius:var(--radius-sm);padding:8px 12px;background:var(--surface);color:var(--ink);font-size:15px;font-family:var(--mono)}.danger-actions{display:flex;align-items:center;gap:12px;margin-top:14px}.danger-error{color:var(--error);font-size:14px}.danger-done h2{font-size:var(--size-note-title);margin:8px 0 10px}