:root,[data-theme=dark]{--ink-rgb:242,237,230;--bg-rgb:14,13,11;--bg:#0E0D0B;--bg-2:#131210;--ink:#F2EDE6;--ink-2:#C9C2B7;--ink-3:#8A857C;--ink-4:#5A554E;--line:rgba(var(--ink-rgb),0.10);--line-soft:rgba(var(--ink-rgb),0.06);--card:rgba(var(--ink-rgb),0.025);--card-hover:rgba(var(--ink-rgb),0.05);--grain-opacity:0.45;--font-display:"Fraunces","Playfair Display","Cormorant Garamond",Georgia,serif;--font-body:"DM Sans","Helvetica Neue",Helvetica,sans-serif;--font-mono:"JetBrains Mono","DM Mono",ui-monospace,monospace;--radius-card:22px;--radius-pill:999px;--radius-btn:16px;--radius-btn-sq:2px;--gold:#C9A87C;--bg-3:#1a1612}[data-theme=light]{--ink-rgb:17,18,15;--bg-rgb:251,249,247;--bg:#FBF9F7;--bg-2:#F2F0EC;--bg-3:#E8E6E2;--ink:#11120F;--ink-2:#45443F;--ink-3:#7D7C78;--ink-4:#B4B2AE;--line:rgba(var(--ink-rgb),0.11);--line-soft:rgba(var(--ink-rgb),0.06);--card:rgba(var(--ink-rgb),0.025);--card-hover:rgba(var(--ink-rgb),0.05);--gold:#11120F;--grain-opacity:0}[data-theme=sepia]{--ink-rgb:58,42,26;--bg-rgb:237,225,204;--bg:#EDE1CC;--bg-2:#E5D7BE;--bg-3:#DCCBAC;--ink:#3A2A1A;--ink-2:#5E4A33;--ink-3:#8A7456;--ink-4:#B19A79;--line:rgba(var(--ink-rgb),0.16);--line-soft:rgba(var(--ink-rgb),0.09);--card:rgba(var(--ink-rgb),0.035);--card-hover:rgba(var(--ink-rgb),0.07);--gold:#9A6E38;--grain-opacity:0.20}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"ss01","kern";overflow-x:hidden}button{font-family:inherit;background:none;border:0;cursor:pointer}a,button{color:inherit}a{text-decoration:none}.grain{z-index:1000;mix-blend-mode:overlay;opacity:var(--grain-opacity,.45);background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.95  0 0 0 0 0.92  0 0 0 0 0.85  0 0 0 0.55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}.grain,.vignette{position:fixed;inset:0;pointer-events:none}.vignette{z-index:5;background:radial-gradient(ellipse at 50% 0,rgba(var(--ink-rgb),.04),transparent 55%),radial-gradient(ellipse at 50% 100%,rgba(0,0,0,.4),transparent 60%)}[data-theme=light] .vignette{display:none}[data-theme=sepia] .vignette{background:radial-gradient(ellipse at 50% 0,rgba(var(--ink-rgb),.03),transparent 55%),radial-gradient(ellipse at 50% 100%,rgba(var(--ink-rgb),.05),transparent 60%)}.root{position:relative;min-height:100vh}.display-l,.display-xl,.display-xxl{font-family:var(--font-display);font-variation-settings:"opsz" 144,"SOFT" 100;font-weight:380;letter-spacing:-.04em;line-height:.86;margin:0;font-feature-settings:"ss01","ss02"}.display-xxl{font-size:clamp(48px,18vw,260px)}.display-xl{font-size:clamp(40px,11vw,168px);font-weight:380;letter-spacing:-.035em;line-height:.88}.display-l{font-size:clamp(32px,7vw,112px);font-weight:380;letter-spacing:-.03em;line-height:.92}.display-period{font-style:italic;font-weight:400;margin-left:-.04em}.mono{font-family:var(--font-mono);font-weight:400}.small{font-size:11px;letter-spacing:.08em;text-transform:uppercase}.dim{color:var(--ink-3)}.dot{margin:0 8px;color:var(--ink-4)}.screen{position:relative;padding:28px clamp(28px,6vw,96px) 48px;min-height:100vh;transition:opacity .42s ease,transform .46s cubic-bezier(.2,.7,.2,1)}.screen.leaving{opacity:0;transform:translateY(-10px)}.screen.entering{animation:enter .52s cubic-bezier(.2,.7,.2,1)}@keyframes enter{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.dash-foot,.dash-top,.detail-foot,.detail-top,.login-foot,.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px}.crumbs{display:flex;align-items:center;gap:8px}.slash{color:var(--ink-4)}.section-eyebrow{display:flex;align-items:center;gap:4px;margin-bottom:22px}.login{display:grid;grid-template-rows:auto 1fr auto;min-height:100vh}.login-main{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:24px 0;max-width:1400px}.login-mark{display:flex;align-items:center}.login .display-xxl,.login-mark{margin-bottom:28px}.lede{font-family:var(--font-display);font-style:italic;font-weight:350;font-size:clamp(20px,1.8vw,28px);line-height:1.35;letter-spacing:-.01em;color:var(--ink-2);max-width:620px;margin:0 0 44px;text-wrap:pretty}.enter-btn{display:inline-flex;align-items:center;gap:14px;padding:16px 28px;background:var(--ink);color:var(--bg);border:1px solid var(--ink);border-radius:var(--radius-btn-sq);font-family:var(--font-mono);font-weight:500;font-size:12px;letter-spacing:.1em;text-transform:uppercase;transition:background .2s ease,border-color .2s ease,color .2s ease,opacity .2s ease}.enter-btn:hover{background:var(--ink-2);border-color:var(--ink-2)}.enter-btn:active{background:var(--ink);border-color:var(--ink)}.enter-btn:disabled{opacity:.35;cursor:default}.enter-btn:disabled:hover{background:var(--ink);border-color:var(--ink)}.enter-btn-label{font-size:12px}.enter-btn-arrow{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;transition:transform .22s ease}.enter-btn-arrow svg{display:block}.enter-btn:hover .enter-btn-arrow{transform:translateX(3px)}.login-hint{margin-top:22px;display:flex;gap:8px}.login-hint kbd{font-family:var(--font-mono);font-size:10px;padding:3px 8px;border:1px solid var(--line);border-radius:8px;color:var(--ink-2)}.auth-form{gap:18px;margin-bottom:36px;align-items:flex-start;max-width:540px}.auth-form,.auth-row{display:flex;flex-direction:column;width:100%}.auth-row{gap:8px}.auth-label{letter-spacing:.1em}.auth-input{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);padding:14px 2px;color:var(--ink);font-family:var(--font-display);font-size:clamp(28px,3.4vw,44px);font-weight:380;letter-spacing:-.02em;line-height:1.1;outline:0;transition:border-color .2s ease;font-feature-settings:"ss01"}.auth-input::placeholder{color:var(--ink-4);font-style:italic}.auth-input:focus{border-bottom-color:var(--ink)}.auth-input-sm{font-family:var(--font-body);font-size:clamp(18px,1.6vw,22px);letter-spacing:-.005em;font-weight:400;padding:12px 2px}.auth-status{min-height:18px;display:flex;align-items:center;gap:8px}.auth-status .welcome{color:var(--ink)}.auth-status .new{color:var(--ink-2)}.auth-status .warn{color:#E2A98C}.auth-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}.auth-divider{display:inline-flex;align-items:center;padding:0 6px;font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-4)}.auth-divider span{padding:0 4px}.google-btn{display:inline-flex;align-items:center;gap:12px;padding:11px 20px 11px 14px;border-radius:var(--radius-btn-sq);border:1px solid var(--line);background:rgba(var(--ink-rgb),.03);color:var(--ink);font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;transition:background .2s ease,border-color .2s ease,color .2s ease}.google-btn:hover{background:rgba(var(--ink-rgb),.07);border-color:var(--ink-3)}.google-btn:disabled{opacity:.5;cursor:default}.google-g{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;background:#fff;border-radius:999px}.google-g svg{display:block}.google-picker .add-panel-title{font-size:28px}.google-sub{color:var(--ink-2);margin:8px 0 0;font-size:14px}.google-list{display:flex;flex-direction:column;gap:8px}.google-account{display:grid;grid-template-columns:44px 1fr auto;align-items:center;grid-gap:16px;gap:16px;padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:transparent;text-align:left;color:var(--ink);transition:background .2s ease,border-color .2s ease,transform .18s ease}.google-account:hover{background:rgba(var(--ink-rgb),.04);border-color:var(--ink-3);transform:translateY(-1px)}.google-account:disabled{opacity:.45;cursor:default;transform:none}.google-avatar{width:44px;height:44px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;color:#0e0d0b;font-family:var(--font-display);font-weight:400;font-size:22px;letter-spacing:-.02em}.google-avatar-empty{background:transparent;border:1px dashed var(--line);color:var(--ink-3);font-size:26px;font-family:var(--font-display)}.google-meta{display:flex;flex-direction:column;gap:4px;min-width:0}.google-name{font-size:15px}.google-account .arrow{color:var(--ink-3);font-size:18px}.google-foot{padding-top:8px;border-top:1px solid var(--line-soft);line-height:1.5}.known-list{margin-top:28px;display:flex;flex-direction:column;gap:10px;max-width:540px}.known-chips{display:flex;flex-wrap:wrap;gap:8px}.known-chip{padding:8px 14px;border-radius:var(--radius-btn-sq);border:1px solid var(--line);background:rgba(var(--ink-rgb),.025);font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);transition:background .2s ease,border-color .2s ease,color .2s ease}.known-chip:hover{color:var(--ink);border-color:var(--ink-3)}.known-chip.is-active{background:var(--ink);color:var(--bg);border-color:var(--ink)}.enter-btn-sm{padding:11px 18px;gap:11px;font-size:11px;letter-spacing:.09em}.enter-btn-sm .enter-btn-arrow{width:14px;height:14px}.enter-btn-sm .enter-btn-label{font-size:11px}.ghost-btn{padding:12px 20px;border-radius:var(--radius-pill);border:1px solid var(--line);background:transparent;color:var(--ink-2);font-size:13px;font-family:var(--font-body);transition:background .2s ease,color .2s ease,border-color .2s ease}.ghost-btn:hover{color:var(--ink);border-color:var(--ink-3);background:rgba(var(--ink-rgb),.03)}.ghost-btn:disabled{opacity:.4;cursor:default}.ghost-btn-sm{box-sizing:border-box;height:44px;min-width:124px;padding:0 16px;font-size:11px;font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase}.ghost-btn-sm,.ghost-btn-sm>span{display:inline-flex;align-items:center;justify-content:center}.ghost-btn-sm>span{gap:8px}.dash-nav-btn{width:112px;min-width:0;gap:6px}.dash-nav-btn svg{flex-shrink:0;display:block}.dashboard{display:flex;flex-direction:column;gap:80px;padding-bottom:96px}.dash-top{position:-webkit-sticky;position:sticky;top:0;z-index:20;padding:18px clamp(28px,6vw,96px);margin:-28px clamp(-28px,-6vw,-96px) 0;background:rgba(var(--bg-rgb),.72);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);border-bottom:1px solid var(--line-soft)}.dash-top-left,.dash-top-right{display:flex;align-items:center;gap:24px}.this-week .section-head{max-width:1100px;margin-bottom:56px}.section-lede{font-family:var(--font-display);font-style:italic;font-weight:350;font-size:clamp(18px,1.4vw,22px);line-height:1.4;color:var(--ink-2);margin:28px 0 0;max-width:620px;text-wrap:pretty}.week-meta{display:flex;gap:14px;margin-top:26px;align-items:center}.week-meta .bullet{color:var(--ink-4)}.module-topics{gap:40px}.module-topics,.topic-group{display:flex;flex-direction:column}.topic-group{gap:16px}.topic-label{display:flex;align-items:center;gap:8px;padding-bottom:10px;border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.08em}.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));grid-gap:16px;gap:16px}.module-card-wrap{position:relative}.mod-del-btn{position:absolute;top:10px;right:10px;width:22px;height:22px;border-radius:50%;border:1px solid rgba(var(--ink-rgb),.15);background:var(--card);color:var(--ink-3);font-size:15px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s,color .15s,border-color .15s;z-index:2}.module-card-wrap:hover .mod-del-btn{opacity:1}.mod-del-btn:hover{color:var(--ink);border-color:rgba(var(--ink-rgb),.4)}.module-card{text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 24px 22px;display:flex;flex-direction:column;gap:22px;transition:transform .28s cubic-bezier(.2,.7,.2,1),background .24s ease,border-color .24s ease;min-height:260px;width:100%}.module-card:hover{transform:translateY(-3px);background:var(--card-hover);border-color:rgba(var(--ink-rgb),.18)}.module-card-head{justify-content:space-between}.module-card-head,.module-mark{display:flex;align-items:center}.module-card-body{display:flex;flex-direction:column;gap:8px;flex:1 1}.module-title{font-family:var(--font-display);font-weight:400;font-size:38px;line-height:1;letter-spacing:-.025em;margin:0}.module-title-editable{cursor:text}.module-title-editable:hover{-webkit-text-decoration-line:underline;text-decoration-line:underline;-webkit-text-decoration-style:dotted;text-decoration-style:dotted;text-underline-offset:4px;-webkit-text-decoration-color:var(--ink-3);text-decoration-color:var(--ink-3)}.module-title-input{font-family:var(--font-display);font-weight:400;font-size:38px;line-height:1;letter-spacing:-.025em;margin:0;width:100%;background:transparent;border:none;border-bottom:2px solid var(--ink-3);outline:none;color:var(--ink);padding:0 0 2px;min-width:0}.module-title-input:focus{border-bottom-color:var(--ink)}@media (max-width:480px){.module-title-input{font-size:28px}}.module-chapter{margin-bottom:4px}.module-blurb{font-size:14px;line-height:1.45;color:var(--ink-2);margin:4px 0 0;text-wrap:pretty}.module-card-foot{display:flex;align-items:center;justify-content:space-between;gap:18px}.module-card-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--radius-pill);border:1px solid var(--line);transition:background .2s ease,border-color .2s ease,transform .22s ease}.module-card:hover .module-card-cta{border-color:var(--ink);background:var(--ink);color:var(--bg)}.module-card-cta .arrow{transition:transform .22s ease}.module-card:hover .module-card-cta .arrow{transform:translateX(3px)}.status-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:var(--radius-pill);border:1px solid var(--line);background:rgba(var(--ink-rgb),.02)}.status-pill .status-dot{width:7px;height:7px;border-radius:999px;background:var(--ink-3)}.status-pill.status-done{background:var(--ink);color:var(--bg);border-color:var(--ink)}.status-pill.status-done .status-dot{background:var(--bg)}.status-pill.status-in-progress .status-dot{background:var(--ink);box-shadow:0 0 0 4px rgba(var(--ink-rgb),.12);animation:pulse 2.4s ease-in-out infinite}.progress-track{flex:1 1;height:2px;background:var(--line);border-radius:999px;overflow:hidden;min-width:80px}.progress-fill{height:100%;background:var(--ink);border-radius:999px;transition:width .6s cubic-bezier(.2,.7,.2,1)}.sprints-section .display-l{margin-bottom:28px}.sprint-list{border-top:1px solid var(--line)}.sprint-row{display:grid;grid-template-columns:70px 1fr auto auto;grid-gap:24px;gap:24px;align-items:center;padding:22px 4px;border-bottom:1px solid var(--line);transition:background .2s ease,padding .2s ease}.sprint-row:hover{background:rgba(var(--ink-rgb),.02);padding-left:14px;padding-right:14px}.sprint-row-title{font-family:var(--font-display);font-weight:400;font-size:28px;letter-spacing:-.02em;line-height:1}.sprint-row.sprint-upcoming .sprint-row-title{color:var(--ink-4)}.sprint-row.sprint-done .sprint-row-title{color:var(--ink-2)}.sprint-row.is-active{background:rgba(var(--ink-rgb),.04);padding-left:18px;padding-right:18px;border-radius:14px;border-bottom-color:transparent;margin:6px 0}.sprint-row.is-active+.sprint-row{border-top:1px solid var(--line)}.sprint-row .cur{color:var(--ink)}.dash-foot{padding-top:36px;border-top:1px solid var(--line)}.dash-foot-left{display:flex;align-items:center;gap:16px}.repo-link{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:13px;padding:10px 16px;border-radius:var(--radius-pill);border:1px solid var(--line);transition:background .2s ease,border-color .2s ease}.repo-link:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}.detail{display:flex;flex-direction:column;gap:64px;padding-bottom:96px}.detail-top{position:-webkit-sticky;position:sticky;top:0;z-index:20;padding:18px clamp(28px,6vw,96px);margin:-28px clamp(-28px,-6vw,-96px) 0;background:rgba(var(--bg-rgb),.72);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);border-bottom:1px solid var(--line-soft)}.back-btn{display:inline-flex;align-items:center;gap:12px;padding:12px 20px 12px 16px;border-radius:var(--radius-pill);border:1px solid var(--line);background:rgba(var(--ink-rgb),.03);transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease}.back-btn:hover{background:var(--ink);color:var(--bg);border-color:var(--ink);transform:translateX(-2px)}.back-btn .arrow{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:999px;font-size:14px;background:rgba(var(--ink-rgb),.06);transition:background .2s ease,transform .2s ease}.back-btn:hover .arrow{background:rgba(var(--bg-rgb),.12);transform:translateX(-3px)}.back-btn .back-btn-label{font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-family:var(--font-mono)}.detail-eyebrow{display:flex;align-items:center;flex-wrap:wrap;gap:4px}.detail-eyebrow,.detail-title{margin-bottom:28px}.detail-lede{font-family:var(--font-display);font-style:italic;font-weight:350;font-size:clamp(20px,1.6vw,26px);line-height:1.4;color:var(--ink-2);max-width:680px;margin:0 0 44px;text-wrap:pretty}.detail-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:20px;gap:20px;padding:24px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card)}.detail-meta-block{display:flex;flex-direction:column;gap:12px}.detail-progress{display:flex;align-items:center;gap:14px}.lessons-section .display-l{margin-bottom:32px}.lesson-list{display:flex;flex-direction:column;gap:14px}.add-lesson-btn{display:inline-flex;align-items:center;gap:10px;margin-top:20px;padding:12px 18px;border-radius:var(--radius-pill);border:1px dashed var(--line);background:transparent;color:var(--ink-3);font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:color .18s ease,border-color .18s ease,background .18s ease}.add-lesson-btn:hover{color:var(--ink-2);border-color:rgba(var(--ink-rgb),.25);background:var(--card)}.add-lesson-plus{font-size:16px;line-height:1;color:var(--ink-4);transition:color .18s ease}.add-lesson-btn:hover .add-lesson-plus{color:var(--ink-2)}.request-lesson-form{gap:8px}.request-lesson-form,.request-lesson-review{margin-top:20px;display:flex;flex-direction:column}.request-lesson-review{gap:0}.request-lesson-inner{display:flex;align-items:center;gap:0;border:1px solid rgba(var(--ink-rgb),.25);border-radius:var(--radius-pill);background:var(--card);overflow:hidden;transition:border-color .18s ease}.request-lesson-inner:focus-within{border-color:rgba(var(--ink-rgb),.45);background:rgba(var(--ink-rgb),.04)}.request-lesson-input{flex:1 1;background:transparent;border:none;outline:none;padding:14px 20px;color:var(--ink);font-family:var(--font-mono);font-size:12px;letter-spacing:.04em}.request-lesson-input::placeholder{color:var(--ink-4)}.request-lesson-send{flex-shrink:0;background:transparent;border:none;border-left:1px solid var(--line);padding:12px 18px;cursor:pointer;color:var(--ink-3);font-size:16px;transition:color .18s ease,background .18s ease}.request-lesson-send:hover:not(:disabled){color:var(--ink);background:rgba(var(--ink-rgb),.06)}.request-lesson-send:disabled{opacity:.3;cursor:default}.request-lesson-hint{margin:0;padding-left:20px;font-size:10px;color:var(--ink-4);letter-spacing:.06em;text-transform:uppercase}.lesson-row{display:grid;grid-template-columns:80px 1fr auto;grid-gap:28px;gap:28px;align-items:center;padding:22px 24px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);transition:background .22s ease,border-color .22s ease,transform .22s ease}.lesson-row:hover{background:var(--card-hover);border-color:rgba(var(--ink-rgb),.18);transform:translateY(-2px)}.lesson-row.is-done .lesson-title{color:var(--ink-2)}.lesson-row-head{display:flex;align-items:center;gap:14px;margin-bottom:6px}.lesson-title{font-family:var(--font-display);font-weight:400;font-size:26px;line-height:1.1;letter-spacing:-.02em;margin:0}.lesson-blurb{color:var(--ink-2);font-size:14px;line-height:1.45;margin:0;max-width:560px}.check-pill,.todo-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--radius-pill);border:1px solid var(--line);font-size:10px}.check-pill{background:var(--ink);color:var(--bg);border-color:var(--ink)}.check-pill .check{font-size:11px}.todo-pill{color:var(--ink-3)}.requested-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--radius-pill);border:1px solid rgba(139,92,246,.4);font-family:var(--font-mono);font-size:10px;background:rgba(139,92,246,.08);color:#A78BFA;letter-spacing:.08em;text-transform:uppercase}.lesson-row.is-requested{opacity:.75}.lesson-row-cta{display:flex;align-items:center;gap:10px}.lesson-delete-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:transparent;border:1px solid var(--line);color:var(--ink-3);font-size:16px;cursor:pointer;opacity:0;transition:opacity .18s ease,background .18s ease,color .18s ease;flex-shrink:0}.lesson-row:hover .lesson-delete-btn{opacity:.5}.lesson-delete-btn:hover{opacity:1!important;background:var(--ink);color:var(--bg);border-color:var(--ink)}.delete-confirm{display:flex;align-items:center;gap:8px;margin-top:8px;color:var(--ink-2)}.delete-confirm-no,.delete-confirm-yes{padding:3px 10px;border-radius:var(--radius-pill);border:1px solid var(--line);font-family:var(--font-mono);font-size:11px;cursor:pointer;transition:background .15s ease}.delete-confirm-yes{color:#f87171;border-color:rgba(239,68,68,.3);background:transparent}.delete-confirm-yes:hover{background:rgba(239,68,68,.12)}.delete-confirm-no{color:var(--ink-2);background:transparent}.delete-confirm-no:hover{background:var(--card-hover)}.inprogress-pill{gap:6px;padding:5px 11px;border-radius:var(--radius-pill);border:1px solid rgba(251,191,36,.4);font-family:var(--font-mono);font-size:10px;background:rgba(251,191,36,.08);color:#FBBF24;letter-spacing:.08em;text-transform:uppercase}.inprogress-pill,.start-btn{display:inline-flex;align-items:center}.start-btn{gap:14px;padding:14px 22px;border-radius:var(--radius-pill);background:var(--ink);color:var(--bg);font-weight:500;font-size:15px;letter-spacing:-.005em;transition:transform .22s ease,background .2s ease,color .2s ease,border-color .2s ease;border:1px solid var(--ink)}.start-btn:hover{transform:translateY(-2px)}.start-btn .arrow{display:inline-flex;align-items:center;justify-content:center;transition:transform .2s ease}.start-btn:hover .arrow{transform:translate(2px,-2px)}.start-btn.is-secondary{background:transparent;color:var(--ink);border-color:var(--line)}.start-btn.is-secondary:hover{background:rgba(var(--ink-rgb),.05);border-color:var(--ink-3)}.lesson-cta-group{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.lesson-done-btn{padding:6px 14px;border-radius:var(--radius-pill);border:1px solid rgba(251,191,36,.3);background:transparent;color:#FBBF24;font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:background .18s ease,border-color .18s ease}.lesson-done-btn:hover{background:rgba(251,191,36,.08);border-color:rgba(251,191,36,.5)}.lesson-chat-done-btn{padding:5px 12px;border-radius:var(--radius-pill);border:1px solid rgba(251,191,36,.3);background:transparent;color:#FBBF24;font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:background .18s ease,border-color .18s ease;white-space:nowrap}.lesson-chat-done-btn:hover{background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.5)}.prompt-card,.prompt-preview{display:flex;flex-direction:column}.prompt-card{border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;background:var(--card);gap:24px}.prompt-text{margin:0;font-size:13px;line-height:1.7;color:var(--ink-2);white-space:pre-wrap;font-family:var(--font-mono);text-transform:none;letter-spacing:0}.prompt-cta{align-self:flex-start}.detail-foot{padding-top:36px;border-top:1px solid var(--line)}.intake,.onboarding-chat{display:flex;flex-direction:column;min-height:100vh;gap:32px}.onb-top{display:flex;justify-content:space-between;align-items:center;gap:16px}.onb-step{display:inline-flex;align-items:center;gap:8px}.step-num{font-family:var(--font-display);font-size:26px;letter-spacing:-.02em;font-weight:400}.onb-main{display:flex;flex-direction:column;flex:1 1;max-width:920px;width:100%;padding:24px 0 64px}.onb-main .display-l{margin-bottom:24px}.onb-eyebrow{margin-bottom:22px;display:flex;align-items:center}.onb-lede{font-family:var(--font-display);font-style:italic;font-weight:350;font-size:clamp(18px,1.5vw,24px);line-height:1.4;color:var(--ink-2);max-width:640px;margin:0 0 40px;text-wrap:pretty}.onb-foot{padding:16px 0;border-top:1px solid var(--line-soft)}.chat-box{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);display:flex;flex-direction:column;overflow:hidden;min-height:420px;max-height:65vh}.chat-list{flex:1 1;padding:24px 24px 12px;overflow-y:auto;display:flex;gap:18px}.chat-list,.chat-msg{flex-direction:column}.chat-msg{gap:6px;max-width:88%}.chat-curator{align-self:flex-start}.chat-user{align-self:flex-end;align-items:flex-end}.chat-meta{letter-spacing:.1em}.chat-bubble{padding:14px 18px;border-radius:18px;font-family:var(--font-body);font-size:15px;line-height:1.45;white-space:pre-wrap;text-wrap:pretty}.chat-curator .chat-bubble{background:rgba(var(--ink-rgb),.06);color:var(--ink);border:1px solid var(--line-soft);border-top-left-radius:6px}.chat-user .chat-bubble{background:var(--ink);color:var(--bg);border-top-right-radius:6px}.chat-bubble.typing{display:inline-flex;gap:6px;align-items:center;padding:16px 18px}.chat-bubble.typing span{width:6px;height:6px;border-radius:999px;background:var(--ink-3);animation:typing 1.2s ease-in-out infinite}.chat-bubble.typing .dot2{animation-delay:.15s}.chat-bubble.typing .dot3{animation-delay:.3s}@keyframes typing{0%,to{opacity:.3;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}}.chat-error{color:#E2A98C;padding:8px 14px;border:1px solid rgba(226,169,140,.4);border-radius:12px;align-self:flex-start}.chat-input-row{border-top:1px solid var(--line);padding:16px 20px;display:flex;flex-direction:column;gap:12px;background:rgba(var(--bg-rgb),.4)}.chat-input{width:100%;resize:none;background:transparent;border:0;color:var(--ink);font-family:var(--font-body);font-size:15px;line-height:1.5;outline:0;padding:6px 2px}.chat-input::placeholder{color:var(--ink-4)}.chat-input:disabled{opacity:.5}.chat-actions{display:flex;justify-content:space-between;align-items:center;gap:10px}.intake-main{max-width:920px}.intake-summary{margin:0 0 48px;padding:22px 24px;border-left:2px solid var(--ink);background:rgba(var(--ink-rgb),.03);border-radius:0 18px 18px 0;display:flex;flex-direction:column;gap:10px}.intake-summary p{margin:0;font-family:var(--font-display);font-style:italic;font-size:22px;font-weight:350;line-height:1.35;color:var(--ink);text-wrap:pretty}.intake-section{margin-bottom:56px}.intake-section-head{margin-bottom:22px}.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}.field-label{font-size:14px}.field-input,.field-label{font-family:var(--font-body);color:var(--ink)}.field-input{background:transparent;border:1px solid var(--line);border-radius:var(--radius-btn-sq);padding:12px 14px;font-size:15px;line-height:1.45;outline:0;width:100%;resize:vertical;transition:border-color .2s ease,background .2s ease}.field-input::placeholder{color:var(--ink-4)}.field-input:focus{border-color:var(--ink-3);background:rgba(var(--ink-rgb),.025)}.field-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:24px;gap:24px}@media (max-width:720px){.field-row{grid-template-columns:1fr}}.chips-row{display:flex;flex-wrap:wrap;gap:8px}.chip-btn{padding:9px 16px;border-radius:var(--radius-btn-sq);border:1px solid var(--line);background:transparent;color:var(--ink-2);font-family:var(--font-body);font-size:13px;transition:background .2s ease,color .2s ease,border-color .2s ease}.chip-btn:hover{color:var(--ink);border-color:var(--ink-3)}.chip-btn.is-active{background:var(--ink);color:var(--bg);border-color:var(--ink)}.intake-mods{display:flex;flex-direction:column;gap:14px}.intake-mod{display:grid;grid-template-columns:70px 1fr auto;grid-gap:18px;gap:18px;padding:18px 18px 18px 22px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);align-items:flex-start}.intake-mod-flat{background:transparent;padding:0;border:0;grid-template-columns:1fr;gap:12px}.intake-mod-no{padding-top:14px}.intake-mod-body{display:flex;flex-direction:column;gap:10px}.intake-mod-head{display:grid;grid-template-columns:1fr 80px;grid-gap:10px;gap:10px}.field-title{font-family:var(--font-display);font-size:22px;padding:10px 14px;font-weight:400;letter-spacing:-.015em}.field-short{text-align:center;font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase}.icon-btn{transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;flex-shrink:0}.icon-btn:hover{background:rgba(var(--ink-rgb),.04);transform:rotate(90deg)}.add-mod-btn{display:flex;align-items:center;gap:14px;padding:22px;border:1px dashed var(--line);border-radius:var(--radius-card);background:transparent;color:var(--ink-2);font-family:var(--font-body);font-size:15px;transition:background .2s ease,color .2s ease,border-color .2s ease}.add-mod-btn:hover{color:var(--ink);border-color:var(--ink-3);background:rgba(var(--ink-rgb),.025)}.add-mod-btn .plus{font-family:var(--font-display);font-size:26px;font-weight:400;line-height:1;width:32px;height:32px;border-radius:999px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center}.intake-actions{display:flex;gap:14px;align-items:center;margin-top:24px;flex-wrap:wrap}.intake-hint{margin-top:14px}.add-panel-overlay{position:fixed;inset:0;z-index:200;background:rgba(8,7,6,.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:24px}.add-panel{width:100%;max-width:640px;background:var(--bg-2);border:1px solid var(--line);border-radius:26px;padding:28px 28px 24px;display:flex;flex-direction:column;gap:18px;box-shadow:0 28px 80px rgba(0,0,0,.55);max-height:calc(100vh - 48px);overflow-y:auto}.add-panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.add-panel-title{font-family:var(--font-display);font-size:32px;letter-spacing:-.025em;line-height:1.05;font-weight:400;margin:6px 0 0}.add-panel-input{font-size:15px}.add-panel-actions{display:flex;justify-content:flex-end;gap:12px;align-items:center;flex-wrap:wrap}.add-panel-draft{display:flex;flex-direction:column;gap:16px}.mode-picker{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}@media (max-width:640px){.mode-picker{grid-template-columns:1fr}}.mode-card{text-align:left;background:transparent;border:1px solid var(--line);border-radius:20px;padding:22px 22px 20px;display:flex;flex-direction:column;gap:12px;color:var(--ink);transition:background .22s ease,border-color .22s ease,transform .22s ease;min-height:220px}.mode-card:hover{background:rgba(var(--ink-rgb),.045);border-color:var(--ink-3);transform:translateY(-3px)}.mode-no{display:inline-flex;align-items:center}.mode-glyph{color:var(--ink-2);margin:4px 0 8px}.mode-title{font-family:var(--font-display);font-size:26px;font-weight:400;letter-spacing:-.02em;line-height:1.05}.mode-blurb{font-size:13px;color:var(--ink-2);line-height:1.45;margin:0;text-wrap:pretty}.mode-cta{margin-top:auto;color:var(--ink);display:inline-flex;align-items:center;gap:4px}.materials-hint{padding:4px 2px;line-height:1.5}.materials-input{font-family:var(--font-mono);font-size:13px;line-height:1.55}.draft-lessons{display:flex;flex-direction:column;gap:10px;padding-top:8px;border-top:1px solid var(--line-soft)}.draft-lesson{display:grid;grid-template-columns:60px 1fr;grid-gap:14px;gap:14px;align-items:flex-start}.draft-lesson-no{padding-top:14px}.draft-lesson-body{display:flex;flex-direction:column;gap:8px}.draft-lesson-fixed .draft-lesson-no{padding-top:4px}.draft-lesson-fixed .draft-lesson-body{gap:4px;min-width:0}.draft-lesson-fixed-title,.field-title-sm{font-family:var(--font-display);font-size:18px;font-weight:400;letter-spacing:-.015em}.module-card-add{border-style:dashed;background:transparent;align-items:flex-start;justify-content:flex-start;gap:14px}.module-card-add:hover{background:rgba(var(--ink-rgb),.03)}.module-card-add .add-plus{font-family:var(--font-display);font-size:56px;line-height:1;font-weight:350;letter-spacing:-.03em;color:var(--ink-2);margin-bottom:4px}.module-card-add .add-title{font-family:var(--font-display);font-size:28px;line-height:1.05;letter-spacing:-.02em;color:var(--ink);text-align:left}.dash-top-right{gap:18px;flex-wrap:wrap}@media (max-width:720px){.screen{padding:16px 18px 72px}.root,.screen{overflow-x:hidden}.dashboard,.detail{gap:48px}.display-xl{font-size:clamp(46px,13vw,72px);line-height:.9}.display-l{font-size:clamp(36px,10vw,56px)}.section-lede{font-size:16px;margin:18px 0 0;max-width:100%}.dash-top{flex-direction:column;align-items:flex-start;gap:6px;padding:12px 18px;margin:-16px -18px 0}.dash-top-right{width:100%;flex-direction:row;flex-wrap:wrap;gap:6px 14px;align-items:center}.dash-top-right .crumbs{flex:1 1;min-width:0}.dash-top-right .mono.small.dim{width:100%;order:3}.detail-top{flex-wrap:wrap;gap:8px;align-items:flex-start}.detail-top .crumbs{flex:1 1;min-width:0;overflow:hidden}.sprint-row{grid-template-columns:50px 1fr;gap:12px}.sprint-row-dates,.sprint-row-state{display:none}.lesson-row{grid-template-columns:1fr;gap:12px}.lesson-row-no{font-size:10px}.lesson-row-cta{padding-left:0}.week-meta{flex-wrap:wrap;gap:6px 16px;margin-top:18px}.week-meta .bullet{display:none}.this-week .section-head{margin-bottom:36px}.sprint-tabs-bar{padding:0 18px}.hist-view{padding:0 0 3rem}.hist-module-row{grid-template-columns:1fr;gap:6px}.hist-module-status{text-align:left}.close-sprint-row{gap:10px}.close-sprint-hint{max-width:100%}.module-grid{grid-template-columns:1fr}.back-btn{padding:7px 14px;font-size:12px}.detail-meta{flex-wrap:wrap;gap:14px}.prompt-preview{display:none}}.chat-fab{position:fixed;bottom:32px;right:32px;z-index:100;display:inline-flex;align-items:center;gap:12px;padding:14px 22px 14px 18px;background:var(--ink);color:var(--bg);border-radius:var(--radius-pill);border:none;font-weight:500;font-size:14px;box-shadow:0 8px 32px rgba(0,0,0,.6),0 2px 8px rgba(0,0,0,.4);transition:transform .26s cubic-bezier(.2,.7,.2,1),background .2s ease,box-shadow .2s ease}.chat-fab:hover{transform:translateY(-3px);background:var(--ink);filter:brightness(1.1);box-shadow:0 12px 40px rgba(0,0,0,.7)}.chat-fab svg{flex-shrink:0}.chat-fab-label{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:11px}.lesson-chat-panel{position:fixed;bottom:0;right:0;left:0;z-index:100;display:flex;flex-direction:column;height:420px;background:rgba(var(--bg-rgb),.96);backdrop-filter:blur(20px) saturate(130%);-webkit-backdrop-filter:blur(20px) saturate(130%);border-top:1px solid var(--line);box-shadow:0 -8px 48px rgba(0,0,0,.6);animation:slideUp .28s cubic-bezier(.2,.7,.2,1);max-width:100vw;overflow-x:hidden}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.lesson-chat-drag{flex-shrink:0;height:12px;cursor:ns-resize;display:flex;align-items:center;justify-content:center;background:transparent;border-bottom:1px solid transparent;transition:border-color .15s ease}.lesson-chat-drag:hover{border-bottom-color:var(--line-soft)}.lesson-chat-drag-grip{width:36px;height:3px;border-radius:999px;background:var(--line);transition:background .15s ease,width .15s ease}.lesson-chat-drag:hover .lesson-chat-drag-grip{background:var(--ink-3);width:48px}.lesson-chat-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line-soft);flex-shrink:0}.lesson-chat-context{display:flex;flex-direction:column;gap:2px;min-width:0}.lesson-chat-context>*{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-chat-title{color:var(--ink)}.lesson-chat-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink-3);font-size:18px;line-height:1;transition:color .2s ease,background .2s ease,border-color .2s ease}.icon-btn:hover{color:var(--ink);border-color:var(--ink-3);background:rgba(var(--ink-rgb),.05)}.icon-btn-sm{width:26px;height:26px;font-size:13px}.lesson-chat-messages{flex:1 1;overflow-y:auto;overflow-x:hidden;padding:16px 20px;display:flex;flex-direction:column;gap:14px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}.chat-msg{display:flex;align-items:flex-start;gap:10px;max-width:100%}.chat-msg-user{flex-direction:row-reverse}.chat-msg-avatar{flex-shrink:0;width:28px;height:28px;border-radius:999px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:9px;letter-spacing:.1em;background:rgba(var(--ink-rgb),.03)}.chat-msg-user .chat-msg-avatar{background:var(--ink);color:var(--bg);border-color:var(--ink)}.chat-msg-content{display:flex;flex-direction:column;max-width:72%;min-width:0}.chat-msg-bubble{padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.5;text-wrap:pretty;overflow-wrap:anywhere;word-break:break-word}.chat-msg-curator .chat-msg-bubble{background:rgba(var(--ink-rgb),.06);border:1px solid var(--line-soft);border-top-left-radius:4px;color:var(--ink)}.chat-msg-user .chat-msg-bubble{background:var(--ink);color:var(--bg);border-top-right-radius:4px}.math-block{display:block;max-width:100%;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;text-align:center;margin:.5em 0}.math-block .katex-display{margin:0;padding:2px 0}.math-inline{display:inline-block;vertical-align:baseline}.chat-msg-user .chat-msg-bubble .katex,.msg.role-me .katex{color:inherit}.chat-table{display:block;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-collapse:collapse;margin:.5em 0;font-size:.94em}.chat-table td,.chat-table th{border:1px solid var(--line-soft);padding:6px 10px;text-align:left;white-space:nowrap}.chat-table th{color:var(--ink-2);font-weight:600}.chat-msg-user .chat-table td,.chat-msg-user .chat-table th,.msg.role-me .chat-table td,.msg.role-me .chat-table th{border-color:rgba(var(--bg-rgb),.2)}.listening-player{margin-top:10px;padding:10px 14px 10px 10px;display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;min-width:min(320px,100%)}.listening-play-btn{flex-shrink:0;width:44px;height:44px;border-radius:999px;border:none;background:var(--ink);color:var(--bg);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s ease,opacity .2s ease}.listening-play-btn:hover:not(:disabled){transform:scale(1.06)}.listening-play-btn:disabled{opacity:.6;cursor:default}.listening-body{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:6px}.listening-track{height:3px;background:var(--line);border-radius:999px;overflow:hidden}.listening-fill{height:100%;background:var(--ink);border-radius:999px;transition:width .25s linear}.listening-meta{display:flex;justify-content:space-between;gap:8px;font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}.listening-label{min-width:0;overflow-wrap:anywhere}.listening-time{flex-shrink:0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.listening-player--error .listening-label{color:#E2A98C}.listening-spinner{width:16px;height:16px;border-radius:999px;border:2px solid;border-right:2px solid transparent;animation:listeningSpin .8s linear infinite}@keyframes listeningSpin{to{transform:rotate(1turn)}}.chat-typing{display:inline-flex;align-items:center;gap:5px;padding:10px 14px;background:rgba(var(--ink-rgb),.06);border:1px solid var(--line-soft);border-radius:16px;border-top-left-radius:4px}.chat-typing span{width:6px;height:6px;border-radius:999px;background:var(--ink-3);animation:chatDot 1.3s ease-in-out infinite}.chat-typing span:nth-child(2){animation-delay:.18s}.chat-typing span:nth-child(3){animation-delay:.36s}@keyframes chatDot{0%,to{opacity:.3;transform:translateY(0)}50%{opacity:1;transform:translateY(-4px)}}.lesson-chat-input-row{display:flex;align-items:flex-end;gap:10px;padding:12px 20px 20px;max-width:100%;border-top:1px solid var(--line-soft);flex-shrink:0}.lesson-chat-input{flex:1 1;min-width:0;resize:none;background:rgba(var(--ink-rgb),.04);border:1px solid var(--line);border-radius:12px;padding:10px 14px;color:var(--ink);font-family:var(--font-body);font-size:14px;line-height:1.4;outline:none;transition:border-color .2s ease,background .2s ease,height .1s ease;min-height:40px;max-height:200px;overflow-y:auto}.lesson-chat-input::placeholder{color:var(--ink-4)}.lesson-chat-input:focus{border-color:var(--ink-3);background:rgba(var(--ink-rgb),.06)}.lesson-chat-input:disabled{opacity:.5;cursor:not-allowed}.lesson-chat-send{flex-shrink:0;width:38px;height:38px;border-radius:999px;background:var(--ink);color:var(--bg);border:none;display:flex;align-items:center;justify-content:center;transition:transform .2s ease,background .2s ease,opacity .2s ease}.lesson-chat-send:hover{transform:scale(1.08);background:var(--ink);filter:brightness(1.1)}.lesson-chat-send:disabled{opacity:.35;cursor:default;transform:none}.lesson-chat-start-row{display:flex;justify-content:center;padding:0 20px 4px;flex-shrink:0;max-width:100%}.lesson-chat-start-btn{display:inline-flex;align-items:center;gap:10px;height:42px;padding:0 20px;border-radius:var(--radius-pill);border:1px solid var(--ink);background:var(--ink);color:var(--bg);font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;animation:fadeIn .26s ease;transition:transform .2s ease,filter .2s ease,opacity .2s ease}.lesson-chat-start-btn .arrow{display:inline-flex;transition:transform .2s ease}.lesson-chat-start-btn:hover{transform:translateY(-1px);filter:brightness(1.1)}.lesson-chat-start-btn:hover .arrow{transform:translateX(2px)}.lesson-chat-start-btn:disabled{opacity:.4;cursor:default;transform:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media (max-width:720px){.chat-fab{bottom:20px;right:18px;padding:12px 18px 12px 14px}.chat-msg-content{max-width:90%}.lesson-chat-panel{height:380px}.lesson-chat-start-row{padding:0 16px 6px}.lesson-chat-start-btn{width:100%;justify-content:center;height:46px}}@media (max-width:400px){.display-xl{font-size:42px}.display-l{font-size:34px}.screen{padding:14px 16px 72px}.dash-top{padding:10px 16px;margin:-14px -16px 0}.sprint-tabs-bar{padding:0 16px}.week-meta{gap:6px 12px;font-size:10px}.ghost-btn.ghost-btn-sm{height:44px;min-width:96px;padding:0 12px;font-size:10px}}.sprint-tabs-bar{display:flex;gap:4px;padding:0 var(--page-x,2rem);margin-bottom:2rem;overflow-x:auto;scrollbar-width:none;border-bottom:.5px solid var(--line);padding-bottom:0}.sprint-tabs-bar::-webkit-scrollbar{display:none}.sprint-tab{display:flex;align-items:center;gap:5px;padding:8px 14px 10px;background:transparent;cursor:pointer;color:var(--ink-3);border:none;border-bottom:2px solid transparent;margin-bottom:-.5px;transition:color .15s,border-color .15s;white-space:nowrap;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.sprint-tab:hover{color:var(--ink-2)}.sprint-tab.is-active{color:var(--ink);border-bottom-color:var(--ink)}.sprint-tab-done .sprint-tab-check{font-size:10px;opacity:.5}.sprint-tab-current .sprint-tab-dot{width:5px;height:5px;border-radius:50%;background:var(--accent,#7F77DD);flex-shrink:0}.sprint-tab-upcoming{opacity:.4}.sprint-tab.is-active.sprint-tab-upcoming{opacity:.7}.hist-view{padding:0 var(--page-x,2rem) 4rem;max-width:680px}.hist-empty{padding:3rem var(--page-x,2rem);opacity:.5}.hist-header{margin-bottom:1.5rem}.hist-title{margin:.25rem 0 .5rem}.hist-summary{font-size:14px;color:var(--ink-2);line-height:1.6;max-width:560px}.hist-kpis{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:8px;gap:8px;margin-bottom:2rem}.hist-kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:10px 14px}.hist-kpi-label{margin-bottom:3px;color:var(--ink-3)}.hist-kpi-val{font-size:14px;font-weight:500;color:var(--ink)}.hist-section{margin-bottom:2rem}.hist-section-label{text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px;padding-bottom:6px;border-bottom:.5px solid var(--line)}.hist-modules{display:flex;flex-direction:column;gap:4px}.hist-module-row{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}.hist-module-head{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--card)}.hist-module-row.has-carry .hist-module-head{cursor:pointer}.hist-module-row.has-carry .hist-module-head:hover{background:var(--card-hover)}.hist-module-no{flex-shrink:0;width:20px;color:var(--ink-4)}.hist-module-title{font-size:13px;font-weight:500;color:var(--ink);flex-shrink:0;min-width:80px}.hist-module-note{flex:1 1;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-3)}.hist-module-right{display:flex;align-items:center;gap:8px;flex-shrink:0}.hist-carry-toggle{cursor:pointer}.hist-badge{padding:2px 8px;border-radius:20px;flex-shrink:0;font-family:var(--font-mono);font-size:10px;letter-spacing:.06em}.hist-badge-done{background:rgba(100,200,120,.12);color:#6dc87a}.hist-badge-partial{background:rgba(220,180,80,.12);color:#d4b048}.hist-badge-skipped{background:rgba(150,150,150,.1);color:var(--ink-3)}.hist-module-carry{padding:8px 14px 10px 44px;background:var(--bg-2);border-top:1px solid var(--line);display:flex;flex-direction:column;gap:5px}.hist-carry-item{display:flex;gap:8px;align-items:flex-start}.hist-carry-arrow{flex-shrink:0;color:var(--ink-3)}.hist-carry-list{display:flex;flex-direction:column;gap:6px}.hist-carry-row{display:flex;gap:12px;align-items:flex-start;padding:8px 14px;background:var(--card);border-radius:var(--radius-card);border:1px solid var(--line);border-left:2px solid var(--ink-3)}.hist-carry-idx{flex-shrink:0;color:var(--ink-4)}.hist-carry-text{flex:1 1;color:var(--ink)}.close-sprint-row{display:flex;align-items:center;gap:16px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap}.close-sprint-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line)!important;padding:8px 16px!important;border-radius:4px;color:var(--ink-2)!important;transition:border-color .15s,color .15s;white-space:nowrap}.close-sprint-btn:hover{border-color:var(--ink-3)!important;color:var(--ink)!important}.cs-arrow{opacity:.5;font-size:11px}.close-sprint-hint{max-width:340px;line-height:1.5}.cs-overlay{position:fixed;inset:0;z-index:900;background:rgba(var(--bg-rgb),.85);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:24px}.cs-modal{background:var(--bg-2);border:1px solid var(--line);border-radius:8px;width:100%;max-width:580px;max-height:90vh;overflow-y:auto;padding:32px;display:flex;flex-direction:column;gap:24px}.cs-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.cs-title{font-family:var(--font-display);font-size:22px;font-weight:380;color:var(--ink);margin:4px 0 0}.cs-kpis{display:flex;gap:24px;flex-wrap:wrap;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cs-kpi{min-width:80px}.cs-kpi-val{font-size:26px;font-weight:600;color:var(--ink);line-height:1.1}.cs-kpi-label{margin-top:4px}.cs-modules{display:flex;flex-direction:column;gap:8px}.cs-module-row{background:rgba(var(--ink-rgb),.03);border:1px solid var(--line);border-radius:6px;padding:12px 14px}.cs-module-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.cs-short{min-width:26px;opacity:.5}.cs-module-title{font-size:13px;color:var(--ink);flex:1 1}.cs-lessons{white-space:nowrap;opacity:.5}.cs-badge{font-size:10px;font-family:var(--font-mono);padding:2px 7px;border-radius:3px;white-space:nowrap}.cs-badge-done{background:rgba(100,200,120,.12);color:#6dc87a}.cs-badge-partial{background:rgba(220,180,80,.12);color:#d4b048}.cs-badge-skipped{background:rgba(150,150,150,.1);color:var(--ink-3)}.cs-carry-list{margin-top:8px;padding-top:8px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:4px;align-items:flex-start;font-size:11px}.cs-carry-item{color:var(--ink-2)}.cs-summary-wrap{display:flex;flex-direction:column;gap:8px}.cs-summary-label{display:block}.cs-summary-input{resize:vertical;min-height:72px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.cs-review-cta{display:block;text-decoration:none;margin:0 0 16px;border:1px solid rgba(201,168,124,.25);border-radius:14px;background:rgba(201,168,124,.05);transition:background .15s,border-color .15s}.cs-review-cta:hover{background:rgba(201,168,124,.1);border-color:rgba(201,168,124,.45)}.cs-review-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px}.cs-review-cta-label{color:var(--gold);letter-spacing:.08em;text-transform:uppercase;margin-bottom:3px}.cs-review-cta-desc{font-size:13px;color:var(--ink-2);line-height:1.5}.cs-review-cta-arrow{font-size:18px;color:var(--gold);flex-shrink:0}.cs-footer{display:flex;align-items:center;justify-content:flex-end;gap:12px;padding-top:8px;border-top:1px solid var(--line)}.cs-confirm-btn{min-width:220px}.voice-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;background:rgba(10,9,8,.92);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);z-index:50;border-radius:inherit}@media (max-width:720px){.voice-overlay{position:fixed;inset:0;border-radius:0;z-index:200}}.voice-overlay-close{position:absolute;top:14px;right:14px;background:transparent;border:1px solid var(--line);border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;color:var(--ink-3);cursor:pointer;transition:color .15s,border-color .15s}.voice-overlay-close:hover{color:var(--ink);border-color:var(--ink-3)}.voice-otto-btn{background:transparent;border:none;padding:0;cursor:default;border-radius:50%;-webkit-tap-highlight-color:transparent;transition:transform .18s ease;display:flex;align-items:center;justify-content:center}.voice-otto-btn--tappable{cursor:pointer}.voice-otto-btn--tappable:hover{transform:scale(1.04)}.voice-otto-btn--tappable:active{transform:scale(.96)}.voice-status-text{font-family:var(--font-mono,monospace);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);min-height:1.2em}.voice-hint-text{font-size:.68rem;color:var(--ink-4);margin-top:-10px;letter-spacing:.04em}.otto{display:block;overflow:visible}.otto-root{transform-origin:50% 60%}.otto--animate.otto--idle .otto-root,.otto--animate.otto--listening .otto-root,.otto--animate.otto--speaking .otto-root,.otto--animate.otto--thinking .otto-root{animation:otto-breath 4.2s ease-in-out infinite}@keyframes otto-breath{0%,to{transform:scale(1) translateY(0)}50%{transform:scale(1.018) translateY(-1.5px)}}.otto--animate.otto--idle .otto-eyes--blink,.otto--animate.otto--listening .otto-eyes--blink{animation:otto-blink 5.4s infinite;transform-origin:50% 108px;transform-box:fill-box}.otto--animate.otto--speaking .otto-mouth{animation:otto-talk .45s ease-in-out infinite alternate;transform-origin:100px 128px;transform-box:fill-box}@keyframes otto-talk{0%{transform:scale(.7,.6)}to{transform:scale(1.05,1.15)}}.otto--animate.otto--speaking .otto-aura--speak line{animation:otto-bars .7s ease-in-out infinite alternate;transform-origin:center;transform-box:fill-box}.otto--animate.otto--speaking .otto-aura--speak line:first-child{animation-delay:0s}.otto--animate.otto--speaking .otto-aura--speak line:nth-child(2){animation-delay:.12s}.otto--animate.otto--speaking .otto-aura--speak line:nth-child(3){animation-delay:.24s}.otto--animate.otto--speaking .otto-aura--speak line:nth-child(4){animation-delay:.06s}.otto--animate.otto--speaking .otto-aura--speak line:nth-child(5){animation-delay:.18s}.otto--animate.otto--speaking .otto-aura--speak line:nth-child(6){animation-delay:.3s}@keyframes otto-bars{0%{transform:scaleY(.5)}to{transform:scaleY(1.4)}}.otto--animate.otto--thinking .otto-aura--think circle{animation:otto-thinkdot 1.4s ease-in-out infinite}.otto--animate.otto--thinking .otto-aura--think circle:first-child{animation-delay:0s}.otto--animate.otto--thinking .otto-aura--think circle:nth-child(2){animation-delay:.2s}.otto--animate.otto--thinking .otto-aura--think circle:nth-child(3){animation-delay:.4s}@keyframes otto-thinkdot{0%,to{opacity:.2;transform:translateY(2px)}50%{opacity:1;transform:translateY(0)}}.otto--animate.otto--listening .otto-aura--listen path{animation:otto-sonar 1.6s ease-out infinite;transform-origin:center;transform-box:fill-box}.otto--animate.otto--listening .otto-aura--listen path:nth-child(2),.otto--animate.otto--listening .otto-aura--listen path:nth-child(4){animation-delay:.4s}@keyframes otto-sonar{0%{opacity:0}50%{opacity:1}to{opacity:0}}.otto--animate.otto--celebrating .otto-root{animation:otto-hop .7s ease-in-out infinite alternate}@keyframes otto-hop{0%{transform:translateY(0)}to{transform:translateY(-4px)}}.otto--animate.otto--celebrating .otto-aura--celebrate g{animation:otto-twinkle 1.2s ease-in-out infinite;transform-origin:center;transform-box:fill-box}.otto--animate.otto--celebrating .otto-aura--celebrate g:nth-child(2){animation-delay:.25s}.otto--animate.otto--celebrating .otto-aura--celebrate g:nth-child(3){animation-delay:.5s}.otto--animate.otto--celebrating .otto-aura--celebrate g:nth-child(4){animation-delay:.75s}@keyframes otto-twinkle{0%,to{opacity:.2;transform:rotate(0) scale(.6)}50%{opacity:1;transform:rotate(20deg) scale(1.1)}}.otto--animate.otto--sleeping .otto-aura--sleep text{animation:otto-zfloat 2.8s ease-in-out infinite}.otto--animate.otto--sleeping .otto-aura--sleep text:nth-child(2){animation-delay:1.4s}@keyframes otto-zfloat{0%{opacity:0;transform:translate(0)}20%{opacity:1}to{opacity:0;transform:translate(8px,-22px)}}.otto--animate.otto--confused .otto-root{animation:otto-tilt 2.4s ease-in-out infinite}@keyframes otto-tilt{0%,to{transform:rotate(-2deg)}50%{transform:rotate(4deg)}}.otto--animate.otto--sleeping .otto-root{animation:otto-sleep 4s ease-in-out infinite}@keyframes otto-sleep{0%,to{transform:scale(1) translateY(0)}50%{transform:scale(1.012) translateY(1px)}}.otto--animate .otto-hair{transform-origin:100px 60px;transform-box:fill-box}.otto--animate.otto--celebrating .otto-hair,.otto--animate.otto--confused .otto-hair{animation:otto-hair-sway 1.2s ease-in-out infinite alternate}@keyframes otto-hair-sway{0%{transform:rotate(-1deg)}to{transform:rotate(2deg)}}.otto--posture-serious.otto--idle .otto-root,.otto--posture-serious.otto--thinking .otto-root{animation-duration:6s}.otto--posture-playful.otto--idle .otto-root{animation-duration:3s}.ai-tutor-btn{flex-shrink:0;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:rgba(var(--ink-rgb),.03);padding:2px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.ai-tutor-btn:hover{transform:scale(1.08);border-color:rgba(var(--ink-rgb),.18)}.ai-tutor-btn:active{transform:scale(.93)}.ai-tutor-btn--active{border-color:rgba(201,168,124,.45);box-shadow:0 0 10px rgba(201,168,124,.2)}.chat-msg-avatar--otto{width:28px;height:28px}.chat-msg-avatar--otto,.lesson-chat-mic-btn{flex-shrink:0;display:flex;align-items:center;justify-content:center}.lesson-chat-mic-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink-3);cursor:pointer;transition:color .15s ease,border-color .15s ease,background .15s ease,transform .15s ease;-webkit-tap-highlight-color:transparent}.lesson-chat-mic-btn:hover{color:var(--ink);border-color:var(--ink-3);background:rgba(var(--ink-rgb),.05);transform:scale(1.06)}.lesson-chat-mic-btn--recording{color:#ef4444;border-color:rgba(239,68,68,.6);background:rgba(239,68,68,.08);animation:mic-recording-pulse 1.1s ease-in-out infinite}.lesson-chat-mic-btn--recording:hover{color:#ef4444;border-color:#ef4444}@keyframes mic-recording-pulse{0%,to{box-shadow:0 0 0 0 rgba(239,68,68,.35)}50%{box-shadow:0 0 0 6px rgba(239,68,68,0)}}.otto--animate .otto-body-g{animation:otto-breathe 4s ease-in-out infinite;transform-origin:100px 108px}@keyframes otto-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.018)}}.otto--animate.otto--posture-playful .otto-body-g{animation-duration:2.8s}.otto--animate.otto--posture-serious .otto-body-g{animation:none}.otto--animate .otto-eyes--blink{animation:otto-blink 5s ease-in-out infinite}@keyframes otto-blink{0%,92%,to{transform:scaleY(1)}95%{transform:scaleY(.1)}}.otto--animate.otto--celebrating .otto-root{animation:otto-jump .5s cubic-bezier(.2,.7,.2,1) 1}@keyframes otto-jump{0%{transform:translateY(0)}40%{transform:translateY(-12px)}to{transform:translateY(0)}}.otto--animate.otto--sleeping .otto-body-g{animation:otto-float 6s ease-in-out infinite;transform-origin:100px 108px}@keyframes otto-float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.otto--animate .otto-aura--think circle{animation:otto-think-dot 1.4s ease-in-out infinite}.otto--animate .otto-aura--think circle:nth-child(2){animation-delay:.2s}.otto--animate .otto-aura--think circle:nth-child(3){animation-delay:.4s}@keyframes otto-think-dot{0%,to{opacity:.4;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}}.otto--animate .otto-aura--speak line{animation:otto-speak-bar .9s ease-in-out infinite alternate}.otto--animate .otto-aura--speak line:first-child{animation-duration:.7s}.otto--animate .otto-aura--speak line:nth-child(2){animation-duration:1.1s}.otto--animate .otto-aura--speak line:nth-child(3){animation-duration:.85s;animation-delay:.1s}.otto--animate .otto-aura--speak line:nth-child(4){animation-duration:.75s}.otto--animate .otto-aura--speak line:nth-child(5){animation-duration:1.05s}.otto--animate .otto-aura--speak line:nth-child(6){animation-duration:.9s;animation-delay:.15s}@keyframes otto-speak-bar{0%{opacity:.4;transform:scaleY(.5)}to{opacity:1;transform:scaleY(1.2)}}.otto-dock{position:fixed;right:28px;bottom:28px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:10px;pointer-events:none}.otto-dock>*{pointer-events:auto}.otto-dock-btn{width:64px;height:64px;border-radius:999px;background:var(--bg-2);border:0;box-shadow:0 10px 28px rgba(0,0,0,.5),0 0 0 1px rgba(var(--ink-rgb),.1);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease;position:relative}.otto-dock-badge{position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:999px;background:var(--gold);box-shadow:0 0 0 2px var(--bg-2),0 0 10px var(--gold)}.otto-dock-btn:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 14px 36px rgba(0,0,0,.6),0 0 0 1px rgba(217,185,136,.45)}.otto-dock-tip{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);background:rgba(20,17,13,.92);border:1px solid var(--line);border-radius:999px;padding:5px 11px;white-space:nowrap;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.otto-panel{position:fixed;right:28px;bottom:28px;z-index:70;width:420px;height:560px;max-height:calc(100vh - 56px);max-height:calc(100dvh - 56px);background:var(--bg-2);border-radius:24px;border:1px solid var(--line);box-shadow:0 24px 80px rgba(0,0,0,.7);display:flex;flex-direction:column;transform:translateY(20px) scale(.96);opacity:0;pointer-events:none;transition:transform .32s cubic-bezier(.2,.7,.2,1),opacity .26s ease}.otto-panel.is-open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto}.otto-panel-head{display:flex;align-items:center;gap:14px;padding:16px 18px 14px;border-bottom:1px solid var(--line)}.otto-panel-headtext{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:3px}.otto-panel-name{font-family:var(--font-display);font-size:22px;line-height:1;letter-spacing:-.02em;font-weight:400;color:var(--ink)}.otto-panel-status{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);display:flex;align-items:center;gap:6px}.otto-panel-status:before{content:"";display:inline-block;width:6px;height:6px;border-radius:999px;background:var(--gold);box-shadow:0 0 8px var(--gold)}.otto-panel-status.is-thinking:before{background:var(--ink-3);box-shadow:none;animation:otto-pulse 1s ease-in-out infinite}@keyframes otto-pulse{0%,to{opacity:.3}50%{opacity:1}}.otto-panel-actions{display:flex;gap:4px}.otto-panel-iconbtn{width:32px;height:32px;border-radius:999px;border:0;background:transparent;color:var(--ink-3);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .15s ease}.otto-panel-iconbtn:hover{background:var(--card);color:var(--ink)}.otto-panel-body{flex:1 1;overflow-y:auto;overflow-x:hidden;padding:18px 20px 12px;display:flex;flex-direction:column;gap:12px}.otto-msg{max-width:80%;padding:11px 14px;border-radius:16px;font-size:14px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word}.otto-msg--bot{align-self:flex-start;background:rgba(var(--ink-rgb),.05);border:1px solid var(--line-soft);color:var(--ink);border-bottom-left-radius:5px}.otto-msg--me{align-self:flex-end;background:var(--ink);color:var(--bg);border-bottom-right-radius:5px}.otto-msg--typing{display:inline-flex;gap:6px;align-items:center;padding:14px 16px}.otto-msg--typing span{width:6px;height:6px;border-radius:999px;background:var(--ink-3);animation:otto-dot 1.2s ease-in-out infinite}.otto-msg--typing span:nth-child(2){animation-delay:.15s}.otto-msg--typing span:nth-child(3){animation-delay:.3s}@keyframes otto-dot{0%,to{opacity:.3;transform:translateY(0)}50%{opacity:1;transform:translateY(-2px)}}.otto-msg--warn{border-color:rgba(226,169,140,.45);color:#E2A98C;font-size:13px}.otto-details{margin-top:8px;white-space:normal}.otto-details>summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);padding:4px 0}.otto-details>summary::-webkit-details-marker{display:none}.otto-details>summary:before{content:"▸";transition:transform .15s ease}.otto-details[open]>summary:before{transform:rotate(90deg)}.otto-details>summary:hover{color:var(--ink)}.otto-details-body{margin-top:6px;color:var(--ink-2);font-size:13px;white-space:pre-wrap}.otto-msg--error{align-self:stretch;background:rgba(226,169,140,.08);border:1px solid rgba(226,169,140,.4);color:#E2A98C;border-radius:12px;font-size:13px;padding:10px 12px;display:flex;flex-direction:column;gap:8px}.otto-msg--error .otto-actioncard-actions{margin-top:0}.otto-panel-foot{padding:12px 14px 14px;border-top:1px solid var(--line);display:flex;gap:8px;align-items:center}.otto-panel-input{flex:1 1;background:var(--card);border:1px solid var(--line-soft);border-radius:999px;padding:10px 16px;font-family:inherit;font-size:14px;color:var(--ink);outline:none;resize:none;min-height:38px;max-height:100px;transition:border-color .15s ease}.otto-panel-input:focus{border-color:rgba(var(--ink-rgb),.18)}.otto-panel-input::placeholder{color:var(--ink-3)}.otto-panel-send{width:38px;height:38px;border-radius:999px;background:var(--ink);color:var(--bg);border:0;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;transition:all .15s ease}.otto-panel-send:hover{background:var(--gold)}.otto-panel-send:disabled{opacity:.4;cursor:default}.otto-panel-roundbtn{width:38px;height:38px;border-radius:999px;flex:0 0 auto;border:1px solid var(--line);background:var(--card);color:var(--ink-2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s ease}.otto-panel-roundbtn:hover{color:var(--ink);border-color:rgba(var(--ink-rgb),.2)}.otto-panel-roundbtn:disabled{opacity:.4;cursor:default}.otto-panel-roundbtn.is-recording{color:#E2A98C;border-color:rgba(226,169,140,.6);animation:otto-rec 1.2s ease-in-out infinite}@keyframes otto-rec{0%,to{box-shadow:0 0 0 0 rgba(226,169,140,.35)}50%{box-shadow:0 0 0 6px rgba(226,169,140,0)}}.otto-msg-voicetag{display:inline-flex;vertical-align:middle;margin-left:6px;opacity:.55}.otto-msg-voicetag svg{width:12px;height:12px}.otto-voicebar{padding:12px 14px 14px;border-top:1px solid var(--line);gap:12px}.otto-voice-orb,.otto-voicebar{display:flex;align-items:center}.otto-voice-orb{width:52px;height:52px;border-radius:999px;flex:0 0 auto;border:0;cursor:pointer;background:var(--ink);color:var(--bg);justify-content:center;transition:background .15s ease}.otto-voice-orb svg{width:20px;height:20px}.otto-voice-orb.is-listening{background:var(--gold);animation:otto-listen 1.4s ease-in-out infinite}.otto-voice-orb.is-thinking{opacity:.6;cursor:default}.otto-voice-orb.is-connecting{opacity:.6;cursor:default;animation:otto-pulse 1s ease-in-out infinite}.otto-voice-orb.is-muted{background:var(--card);color:var(--ink-2);border:1px solid var(--line);animation:none}.otto-voice-orb.is-speaking svg{animation:otto-pulse .9s ease-in-out infinite}@keyframes otto-listen{0%,to{box-shadow:0 0 0 0 rgba(217,185,136,.45)}50%{box-shadow:0 0 0 10px rgba(217,185,136,0)}}.otto-voice-text{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:3px}.otto-voice-label{font-size:14px;color:var(--ink)}.otto-voice-hint{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.04em;color:var(--ink-3);overflow-wrap:anywhere}.otto-voice-end{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;min-height:38px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink-2);font-family:inherit;font-size:13px;padding:8px 14px;cursor:pointer;transition:all .15s ease}.otto-voice-end:hover{color:var(--ink);border-color:var(--line-soft)}.otto-panel-suggestion{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}.otto-panel-chip{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--ink-2);padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);cursor:pointer;transition:all .15s ease}.otto-panel-chip:hover{border-color:rgba(var(--ink-rgb),.2);color:var(--ink)}.otto-bubble-avatar{width:36px;height:36px;border-radius:999px;background:var(--bg-2);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}.otto-actioncard{align-self:stretch;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 15px;display:flex;flex-direction:column;gap:9px}.otto-actioncard-head{display:flex;align-items:center;gap:7px;color:var(--ink-2);letter-spacing:.06em;text-transform:uppercase}.otto-actioncard-dot{width:6px;height:6px;border-radius:999px;background:var(--gold);box-shadow:0 0 8px var(--gold);flex:0 0 auto}.otto-actioncard-summary{font-size:13.5px;line-height:1.45;color:var(--ink);margin:0;overflow-wrap:anywhere}.otto-actioncard-list{margin:0;padding-left:16px;display:flex;flex-direction:column;gap:4px}.otto-actioncard-list li{font-size:13px;line-height:1.4;color:var(--ink-2);overflow-wrap:anywhere}.otto-actioncard-actions{display:flex;gap:8px;margin-top:3px}.otto-actioncard-apply{flex:1 1;border:0;border-radius:999px;background:var(--ink);color:var(--bg);font-family:inherit;font-size:13px;font-weight:500;padding:9px 14px;cursor:pointer;transition:background .15s ease}.otto-actioncard-apply:hover{background:var(--gold)}.otto-actioncard-dismiss{border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink-3);font-family:inherit;font-size:13px;padding:9px 14px;cursor:pointer;transition:all .15s ease}.otto-actioncard-dismiss:hover{color:var(--ink);border-color:var(--line-soft)}@media (max-width:540px){.otto-panel{right:12px;bottom:12px;left:12px;width:auto}.otto-dock{right:16px;bottom:16px}.otto-actioncard-apply,.otto-actioncard-dismiss{padding:11px 14px}.otto-panel-chip{min-height:44px;padding:10px 14px;text-align:left}.otto-panel-roundbtn,.otto-panel-send{width:44px;height:44px}.otto-panel-foot{gap:6px;padding:10px 10px 12px}.otto-voice-end{min-height:44px;min-width:44px;padding:10px 12px;justify-content:center}.otto-voice-end span{display:none}.otto-details>summary{min-height:44px}.otto-msg{max-width:88%}}.lesson-chat-panel--otto .lesson-chat-head{gap:12px;padding:12px 20px}.lesson-chat-headmain{display:flex;align-items:center;gap:12px;min-width:0;flex:1 1}.lesson-chat-panel--otto .lesson-chat-context{gap:4px}.lesson-chat-panel--otto .lesson-chat-title{font-family:var(--font-display);font-size:19px;line-height:1.1;letter-spacing:-.01em;color:var(--ink)}.lesson-chat-panel--otto .otto-panel-status{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}.lesson-chat-panel--otto .otto-panel-status:before{margin-right:6px;vertical-align:middle}.lesson-chat-thread{width:100%;max-width:780px;margin:0 auto;gap:12px}.lesson-chat-thread,.lesson-msg{display:flex;flex-direction:column}.lesson-msg{gap:8px;align-items:flex-start;min-width:0}.lesson-msg--me{align-items:flex-end}.lesson-msg .otto-msg{max-width:82%}.lesson-msg>:not(.otto-msg){max-width:100%}.otto-msg--me .chat-table td,.otto-msg--me .chat-table th,.otto-msg--me .katex{color:inherit}.lesson-msg--draft{opacity:.7}.lesson-msg-completion{text-align:center;padding:14px 12px;color:var(--gold);font-size:14px;font-weight:500;animation:fadeIn .4s ease}.lesson-chat-panel--otto .lesson-chat-bar{flex-shrink:0;padding-left:max(14px,calc((100% - 780px) / 2));padding-right:max(14px,calc((100% - 780px) / 2))}@media (max-width:540px){.lesson-chat-panel--otto .lesson-chat-head{padding:10px 12px}.lesson-chat-panel--otto .otto-panel-iconbtn{width:44px;height:44px}.lesson-chat-panel--otto .otto-panel-actions{gap:0}.lesson-chat-panel--otto .lesson-chat-title{font-size:17px}.lesson-chat-panel--otto .lesson-chat-messages{padding:14px 12px}.lesson-msg .otto-msg{max-width:88%}.lesson-chat-panel--otto .lesson-chat-bar{padding-left:10px;padding-right:10px}}.cz{min-height:100vh;background:var(--bg);color:var(--ink);position:relative}.cz.screen{padding:0}.cz-top{justify-content:space-between;padding:24px clamp(28px,6vw,80px);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;background:rgba(var(--bg-rgb),.92);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:20}.cz-back,.cz-top{display:flex;align-items:center}.cz-back{gap:10px;padding:10px 18px 10px 14px;border-radius:999px;border:1px solid var(--line);font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);transition:all .18s ease}.cz-back:hover{color:var(--ink);border-color:rgba(var(--ink-rgb),.2)}.cz-crumbs{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}.cz-crumbs .on{color:var(--ink)}.cz-crumbs .dot{margin:0 10px;color:var(--ink-4)}.cz-save{padding:11px 22px;border-radius:999px;background:var(--ink);color:var(--bg);font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;transition:all .18s ease}.cz-save:hover{background:var(--gold)}.cz-main{display:grid;grid-template-columns:minmax(420px,1.05fr) minmax(0,1.6fr);grid-gap:0;gap:0;align-items:stretch}@media (max-width:980px){.cz-main{grid-template-columns:1fr}}.cz-preview{padding:56px clamp(24px,5vw,56px);border-right:1px solid var(--line);position:-webkit-sticky;position:sticky;top:71px;align-self:start;min-height:calc(100vh - 71px);display:flex;flex-direction:column;gap:32px}@media (max-width:980px){.cz-preview{position:static;border-right:0;border-bottom:1px solid var(--line);min-height:0}}.cz-preview-frame{position:relative;border:1px solid var(--line);border-radius:26px;background:linear-gradient(180deg,rgba(217,185,136,.04),rgba(20,17,13,.6));padding:32px;min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.cz-preview-frame:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 36%,rgba(217,185,136,.1),transparent 50%);pointer-events:none}.cz-preview-meta{position:absolute;top:16px;left:18px;right:18px;display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.cz-preview-name{font-family:var(--font-display);font-weight:380;font-size:48px;letter-spacing:-.025em;line-height:1;margin:22px 0 0;text-align:center}.cz-preview-tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-top:8px}.cz-states{display:flex;flex-direction:column;gap:12px}.cz-states-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}.cz-states-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));grid-gap:6px;gap:6px}.cz-state-cell{display:flex;flex-direction:column;align-items:center;gap:5px;cursor:pointer;transition:opacity .15s ease}.cz-state-cell:hover{opacity:.85}.cz-state-thumb{width:100%;aspect-ratio:1/1;background:var(--card);border:1px solid var(--line-soft);border-radius:10px;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.cz-state-cell.is-on .cz-state-thumb{border-color:var(--gold);background:rgba(217,185,136,.08)}.cz-state-cap{font-family:var(--font-mono);font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}.cz-controls{padding:56px clamp(28px,6vw,72px) 96px;display:flex;flex-direction:column;gap:56px}.cz-eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}.cz-title{font-family:var(--font-display);font-weight:380;font-size:clamp(56px,7vw,96px);line-height:.92;letter-spacing:-.03em;margin:0}.cz-title em{font-style:italic;font-weight:400;color:var(--ink-2)}.cz-intro{font-size:15px;color:var(--ink-2);max-width:56ch;line-height:1.55;margin:20px 0 0}.cz-presets{display:flex;gap:10px;flex-wrap:wrap;margin-top:32px}.cz-preset{display:flex;align-items:center;gap:12px;padding:8px 18px 8px 8px;border-radius:999px;border:1px solid var(--line);background:var(--card);transition:all .18s ease;cursor:pointer}.cz-preset:hover{border-color:rgba(var(--ink-rgb),.22)}.cz-preset.is-on{border-color:var(--gold);background:rgba(217,185,136,.06)}.cz-preset-thumb{width:36px;height:36px;border-radius:999px;background:var(--bg-3);display:flex;align-items:center;justify-content:center;flex:0 0 auto}.cz-preset-name{font-family:var(--font-display);font-size:18px;font-weight:400;letter-spacing:-.015em}.cz-section{display:flex;flex-direction:column;gap:18px}.cz-section-head{display:flex;align-items:baseline;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}.cz-section-h{font-family:var(--font-display);font-weight:400;font-size:28px;letter-spacing:-.02em;margin:0}.cz-section-sub{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}.cz-opt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));grid-gap:8px;gap:8px}.cz-opt{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 8px 10px;border-radius:14px;border:1px solid var(--line);background:var(--card);transition:all .18s ease;cursor:pointer}.cz-opt:hover{border-color:rgba(var(--ink-rgb),.22);transform:translateY(-1px)}.cz-opt.is-on{border-color:var(--gold);background:rgba(217,185,136,.07)}.cz-opt-thumb{width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:var(--bg-3);border-radius:12px}.cz-opt-label{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);text-align:center;line-height:1.25}.cz-opt.is-on .cz-opt-label{color:var(--ink)}.cz-pal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));grid-gap:10px;gap:10px}.cz-pal{display:flex;align-items:center;gap:12px;padding:10px 14px 10px 10px;border-radius:14px;border:1px solid var(--line);background:var(--card);transition:all .18s ease;cursor:pointer}.cz-pal:hover{border-color:rgba(var(--ink-rgb),.22)}.cz-pal.is-on{border-color:var(--gold);background:rgba(217,185,136,.07)}.cz-pal-swatch{width:36px;height:36px;border-radius:999px;position:relative;flex:0 0 auto;border:1px solid var(--line);overflow:hidden}.cz-pal-swatch:after{content:"";position:absolute;right:-1px;top:-1px;bottom:-1px;width:50%;border-left:1px solid var(--line)}.cz-pal-label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}.cz-pal.is-on .cz-pal-label{color:var(--ink)}.cz-seg-row{display:flex;flex-direction:column;gap:10px}.cz-seg-label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}.cz-seg{display:flex;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:4px;width:max-content}.cz-seg-btn{padding:10px 22px;border-radius:999px;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);transition:all .16s ease}.cz-seg-btn:hover{color:var(--ink)}.cz-seg-btn.is-on{background:var(--ink);color:var(--bg)}.cz-name{display:flex;flex-direction:column;gap:10px}.cz-name-input{font-family:var(--font-display);font-weight:380;font-size:36px;letter-spacing:-.02em;background:transparent;border:0;border-bottom:1px solid var(--line);color:var(--ink);padding:8px 0 12px;width:100%;max-width:360px;outline:none;transition:border-color .15s ease}.cz-name-input:focus{border-bottom-color:var(--gold)}.cz-name-input::placeholder{color:var(--ink-4)}.cz-tone-preview{margin-top:10px;padding:14px 16px;background:var(--card);border:1px solid var(--line-soft);border-radius:14px;border-bottom-left-radius:4px;font-size:14px;line-height:1.5;color:var(--ink);max-width:56ch}.cz-tone-preview-tag{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}.cz-voice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:8px;gap:8px;width:100%;max-width:640px}@media (min-width:541px){.cz-voice-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.cz-voice{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:999px;background:var(--card);overflow:hidden;transition:border-color .15s ease}.cz-voice.is-on{border-color:var(--ink)}.cz-voice-pick{flex:1 1;min-width:0;min-height:44px;padding:0 6px 0 16px;text-align:left;border:0;background:transparent;cursor:pointer;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}.cz-voice-pick:hover,.cz-voice.is-on .cz-voice-pick{color:var(--ink)}.cz-voice-play{flex:0 0 44px;width:44px;min-height:44px;border:0;border-left:1px solid var(--line-soft);background:transparent;color:var(--ink-3);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:color .15s ease}.cz-voice-play.is-playing,.cz-voice-play:hover{color:var(--gold)}.cz-model-note{font-size:13.5px;color:var(--ink-2)}.cz-model-meta,.cz-model-note{line-height:1.5;max-width:56ch}.cz-model-meta{display:flex;flex-direction:column;gap:8px;padding:14px 16px;border:1px solid var(--line-soft);border-radius:14px;background:var(--card);font-size:13px;color:var(--ink-3)}.cz-model-last{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--ink-3)}.cz-model-last .on{color:var(--gold)}@media (max-width:720px){.cz-seg{width:100%;gap:4px}.cz-seg-btn{min-height:44px;padding:12px 10px}.cz-seg--m2{display:grid;grid-template-columns:repeat(2,1fr)}.cz-seg--m3{display:grid;grid-template-columns:repeat(3,1fr)}.cz-section-head{flex-wrap:wrap;gap:4px 14px}.cz-model-meta,.cz-model-note{max-width:none}}.plan-confirm-panel{margin:0 12px 10px;background:var(--card);border:1px solid var(--gold);border-radius:14px;overflow:hidden;animation:fadeIn .25s ease}.plan-confirm-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px 8px;border-bottom:1px solid var(--line-soft)}.plan-confirm-list{display:flex;flex-direction:column;gap:0;padding:4px 0}.plan-confirm-item{display:flex;align-items:flex-start;gap:10px;padding:8px 14px;border-bottom:1px solid var(--line-soft)}.plan-confirm-item:last-child{border-bottom:0}.plan-confirm-no{flex-shrink:0;padding-top:2px;color:var(--ink-4)}.plan-confirm-body{display:flex;flex-direction:column;gap:2px}.plan-confirm-title{font-size:13px;font-weight:500;color:var(--ink)}.plan-confirm-blurb{font-size:11px;color:var(--ink-3)}.plan-confirm-spinner{width:14px;height:14px;border:1.5px solid var(--ink-4);border-top-color:var(--gold);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:980px){.cz-top .cz-crumbs{display:none}}.week-plan{display:flex;flex-direction:column;margin-bottom:56px}.week-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:20px}.week-head-eyebrow{margin-bottom:0}.week-nav{display:flex;align-items:center;gap:10px}.week-nav-btn{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink-2);font-size:16px;line-height:1;cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease;flex-shrink:0}.week-nav-btn:hover:not(:disabled){background:rgba(var(--ink-rgb),.07);color:var(--ink);border-color:var(--ink-3)}.week-nav-btn:disabled{opacity:.3;cursor:default}.week-nav-banner{padding:10px 0 14px;color:var(--ink-3)}.load-meter{display:flex;flex-direction:column;gap:8px;min-width:260px}.load-meter-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px}.load-bar{height:3px;background:var(--line);border-radius:999px;overflow:hidden}.load-fill{height:100%;background:var(--ink);border-radius:999px;transition:width .6s cubic-bezier(.2,.7,.2,1),background .3s ease}.load-meter.is-over .load-fill{background:#E2A98C}.load-warn{color:#E2A98C}.today-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;border:1px solid var(--line);background:var(--card);border-radius:var(--radius-card);padding:22px 26px;margin-bottom:14px}.today-strip-main{display:flex;flex-direction:column;gap:6px}.today-line{font-family:var(--font-display);font-weight:400;font-size:clamp(24px,2.2vw,34px);letter-spacing:-.025em;line-height:1.05}.today-missed{color:#E2A98C}.today-strip.is-clear .today-line{color:var(--ink-2);font-style:italic}.week-grid{display:grid;grid-template-columns:repeat(7,1fr);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--card)}.week-day{border-left:1px solid var(--line-soft);padding:16px 12px 18px;display:flex;flex-direction:column;gap:12px;min-height:230px;min-width:0}.week-day:first-child{border-left:0}.week-day.is-past{background:rgba(var(--ink-rgb),.05)}.week-day.is-today{background:rgba(var(--ink-rgb),.045);box-shadow:inset 0 2px 0 0 var(--gold)}.week-day-head{display:flex;align-items:baseline;gap:8px;padding-bottom:10px;border-bottom:1px solid var(--line-soft)}.week-day-head .day-num{color:var(--ink-2)}.today-pill{margin-left:auto;padding:3px 9px;border-radius:var(--radius-pill);background:var(--gold);color:var(--bg);font-size:9px}.week-day-list{display:flex;flex-direction:column;gap:8px}.week-empty{font-family:var(--font-display);font-style:italic;font-weight:350;font-size:16px;color:var(--ink-4);padding-top:4px}.day-chip{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--line);border-radius:14px;padding:10px 12px;background:rgba(var(--ink-rgb),.02);transition:background .2s ease,border-color .2s ease,transform .2s ease}.day-chip:hover{background:rgba(var(--ink-rgb),.05);border-color:rgba(var(--ink-rgb),.2);transform:translateY(-1px)}.chip-check{width:18px;height:18px;border-radius:999px;border:1px solid var(--line);flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;font-size:10px;color:var(--bg);margin-top:2px;transition:background .18s ease,border-color .18s ease}.chip-check:hover{border-color:var(--ink-3)}.day-chip.is-done .chip-check{background:var(--ink);border-color:var(--ink)}.chip-body{text-align:left;display:flex;flex-direction:column;gap:4px;min-width:0;padding:0}.chip-meta{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.chip-title{font-size:13px;line-height:1.3;color:var(--ink);text-wrap:pretty}.day-chip.is-done .chip-title{color:var(--ink-3);text-decoration:line-through;-webkit-text-decoration-color:var(--ink-4);text-decoration-color:var(--ink-4)}.day-chip.is-missed{border-color:rgba(226,169,140,.45)}.missed-tag{color:#E2A98C}.day-chip.is-reading{border-color:rgba(201,168,124,.35);cursor:pointer}.day-chip.is-reading .chip-check{color:var(--ink-3);font-size:13px;background:transparent}.day-chip.is-reading .chip-check:hover{color:var(--ink);border-color:var(--ink-3)}.day-chip.is-reading .chip-meta{color:var(--gold)}.day-chip{cursor:-webkit-grab;cursor:grab}.day-chip:active{cursor:-webkit-grabbing;cursor:grabbing}.week-day.is-drag-over{background:rgba(201,168,124,.07);box-shadow:inset 0 0 0 1px rgba(201,168,124,.45)}.module-card-wrap{cursor:-webkit-grab;cursor:grab}.module-card-wrap:active{cursor:-webkit-grabbing;cursor:grabbing}.module-card-wrap.is-parked{opacity:.45}.parked-pill{padding:3px 9px;border-radius:var(--radius-pill);border:1px solid rgba(201,168,124,.5);color:var(--gold);font-size:9px;white-space:nowrap}.backlog-section.is-drag-over .bk-add,.backlog-section.is-drag-over .bk-list{outline:1px dashed rgba(201,168,124,.6);outline-offset:6px;border-radius:8px}@media (max-width:1100px){.week-grid{grid-template-columns:1fr 1fr}.week-day{border-top:1px solid var(--line-soft);min-height:0}}@media (max-width:640px){.week-grid{grid-template-columns:1fr}}.backlog-section{margin-bottom:56px}.backlog-section .display-l{margin-bottom:18px}.backlog-lede{font-family:var(--font-display);font-style:italic;font-weight:350;font-size:clamp(18px,1.4vw,22px);line-height:1.4;color:var(--ink-2);max-width:640px;margin:0;text-wrap:pretty}.bk-list{border-top:1px solid var(--line);margin-top:36px}.bk-empty{padding:22px 4px}.bk-empty,.bk-row{border-bottom:1px solid var(--line)}.bk-row{display:grid;grid-template-columns:70px 1.1fr 1.4fr auto;grid-gap:28px;gap:28px;align-items:center;padding:24px 4px;transition:background .2s ease}.bk-row:hover{background:rgba(var(--ink-rgb),.015)}.bk-mark{gap:4px}.bk-body,.bk-mark{display:flex;flex-direction:column}.bk-body{gap:6px;min-width:0}.bk-title{font-family:var(--font-display);font-weight:400;font-size:24px;letter-spacing:-.02em;line-height:1.1}.bk-note{font-size:13px;line-height:1.45;color:var(--ink-2);margin:0;text-wrap:pretty}.bk-proposal{display:flex;align-items:flex-start;gap:14px;min-width:0}.bk-otto{flex-shrink:0;margin-top:2px;opacity:.9}.bk-proposal-body{display:flex;flex-direction:column;gap:8px;align-items:flex-start}.bk-chip{display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--radius-pill);border:1px solid rgba(201,168,124,.5);color:var(--gold);font-size:10px}.bk-chip-drop{border-color:var(--line);color:var(--ink-3)}.bk-reason{font-family:var(--font-display);font-style:italic;font-weight:350;font-size:15px;line-height:1.4;color:var(--ink-2);margin:0;max-width:420px;text-wrap:pretty}.bk-review{display:inline-flex;align-items:baseline;gap:2px}.t-dots span{display:inline-block;animation:typing 1.2s ease-in-out infinite}.t-dots span:nth-child(2){animation-delay:.15s}.t-dots span:nth-child(3){animation-delay:.3s}.bk-actions{display:flex;flex-direction:column;align-items:stretch;gap:8px;min-width:130px}.bk-actions-top{display:flex;justify-content:flex-end}.bk-actions-top .lesson-delete-btn{align-self:flex-end}.bk-row:hover .lesson-delete-btn{opacity:.5}.bk-accept{padding:10px 18px;border-radius:var(--radius-pill);background:var(--ink);color:var(--bg);border:1px solid var(--ink);font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;transition:transform .2s ease,background .2s ease}.bk-accept:hover{transform:translateY(-1px);background:var(--ink);filter:brightness(1.1)}.bk-row.is-resolved{opacity:.5}.bk-row.is-resolved .bk-title{font-size:18px;color:var(--ink-2)}.bk-resolution{justify-self:start}.bk-add{display:flex;align-items:center;gap:16px;margin-top:20px;border:1px dashed var(--line);border-radius:var(--radius-card);padding:16px 20px;transition:border-color .2s ease,background .2s ease}.bk-add:focus-within{border-color:var(--ink-3);background:rgba(var(--ink-rgb),.02)}.bk-add-plus{font-family:var(--font-display);font-size:28px;font-weight:350;line-height:1;color:var(--ink-3)}.bk-add-input{flex:1 1;background:transparent;border:0;outline:0;color:var(--ink);font-family:var(--font-body);font-size:15px;min-width:0}.bk-add-input::placeholder{color:var(--ink-4)}.sprint-tab-queued{margin-left:4px;color:var(--gold);font-size:9px}@media (max-width:860px){.bk-row{grid-template-columns:1fr;gap:14px}.bk-mark{flex-direction:row;gap:10px}.bk-actions{flex-direction:row;align-items:center;min-width:0}.bk-actions-top{order:2}.bk-row .lesson-delete-btn{opacity:.5}.bk-add{flex-wrap:wrap}}.landing{position:relative;min-height:100vh;display:flex;flex-direction:column}.landing-nav{position:-webkit-sticky;position:sticky;top:0;z-index:30;justify-content:space-between;padding:18px clamp(24px,6vw,96px);background:rgba(var(--bg-rgb),.72);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);border-bottom:1px solid var(--line-soft)}.landing-nav,.landing-nav-right{display:flex;align-items:center;gap:16px}.nav-signin{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);padding:8px 14px;border-radius:var(--radius-btn-sq);border:1px solid var(--line);transition:color .2s ease,border-color .2s ease,background .2s ease}.nav-signin:hover{color:var(--ink);border-color:var(--ink-3);background:var(--card)}.theme-toggle{display:inline-flex;padding:3px;gap:2px;border:1px solid var(--line);background:var(--card)}.theme-opt,.theme-toggle{border-radius:var(--radius-btn-sq)}.theme-opt{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);padding:6px 12px;transition:color .2s ease,background .2s ease}.theme-opt:hover{color:var(--ink-2)}.theme-opt.is-active{color:var(--bg);background:var(--ink)}.landing-main{flex:1 1;width:100%;max-width:1240px;margin:0 auto;padding:0 clamp(24px,6vw,96px)}.hero{padding:clamp(56px,11vh,132px) 0 clamp(72px,12vh,128px);display:flex;flex-direction:column;align-items:flex-start}.hero-eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:30px}.beta-dot{width:7px;height:7px;border-radius:999px;background:var(--gold);box-shadow:0 0 0 4px rgba(var(--ink-rgb),.07);animation:pulse 2.6s ease-in-out infinite}.hero-title{margin-bottom:34px}.hero-lede{margin:0 0 40px;max-width:640px}.hero-actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap}.hero-demo{width:100%;margin-top:clamp(48px,7vh,76px)}.hero-demo-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:12px}.hero-demo-frame{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-btn-sq);background:var(--bg-2)}.hero-demo-video{display:block;width:100%;height:100%;object-fit:cover}.demo-ctrl{position:absolute;right:12px;bottom:12px;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(17,17,16,.14);border-radius:var(--radius-btn-sq);background:rgba(250,249,246,.82);color:#111110;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);opacity:0;transition:opacity .2s ease,background .2s ease}.demo-ctrl:focus-visible,.hero-demo-frame:hover .demo-ctrl{opacity:1}.demo-ctrl:hover{background:#FAF9F6}@media (max-width:720px){.hero-demo{margin-top:40px}.hero-demo.is-portrait .hero-demo-frame{aspect-ratio:9/16;max-width:min(100%,calc(74vh * 9 / 16))}.hero-demo-note{display:none}.demo-ctrl{opacity:1;top:10px;right:10px;bottom:auto;width:30px;height:30px}}@media (hover:none){.demo-ctrl{opacity:1}}.text-link{font-family:var(--font-body);font-size:14px;color:var(--ink-3);transition:color .2s ease}.text-link:hover{color:var(--ink-2)}.text-link-em{color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:1px}.text-link:hover .text-link-em{border-bottom-color:var(--ink-3)}.ea-section,.how-section,.value-section{padding:clamp(56px,9vh,104px) 0;border-top:1px solid var(--line)}.section-eyebrow{margin-bottom:36px}.value-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:1px;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}.value-card{background:var(--bg);padding:38px clamp(28px,3vw,44px) 42px;display:flex;flex-direction:column;gap:16px;transition:background .24s ease}.value-card:hover{background:var(--card)}.value-no{letter-spacing:.18em}.value-title{font-family:var(--font-display);font-weight:400;font-size:clamp(26px,2.4vw,34px);line-height:1.05;letter-spacing:-.025em;margin:0;max-width:16ch}.value-body{font-size:15px;line-height:1.55;color:var(--ink-2);margin:0;max-width:44ch;text-wrap:pretty}.how-head{margin-bottom:56px}.steps-list{display:flex;flex-direction:column}.step-row{display:grid;grid-template-columns:64px 1fr;grid-gap:clamp(20px,4vw,56px);gap:clamp(20px,4vw,56px);align-items:start;padding:32px 0;border-top:1px solid var(--line)}.step-row:last-child{border-bottom:1px solid var(--line)}.step-no{padding-top:6px;letter-spacing:.18em}.step-body{display:flex;flex-direction:column;gap:12px;max-width:720px}.step-title{font-family:var(--font-display);font-weight:400;font-size:clamp(24px,2.6vw,38px);line-height:1.04;letter-spacing:-.025em;margin:0}.step-text{font-size:16px;line-height:1.55;color:var(--ink-2);margin:0;max-width:58ch;text-wrap:pretty}.ea-head{max-width:640px;margin-bottom:48px}.ea-title{margin-bottom:22px}.ea-lede{margin:0}.ea-layout{display:grid;grid-template-columns:1.4fr 1fr;grid-gap:clamp(28px,4vw,64px);gap:clamp(28px,4vw,64px);align-items:start}.ea-form{display:flex;flex-direction:column;gap:18px}.ea-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:18px;gap:18px}.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.ea-submit-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:8px}.ea-fine{line-height:1.4}.ea-done{padding:40px 0;display:flex;flex-direction:column;gap:14px;max-width:520px}.ea-done-title{font-family:var(--font-display);font-weight:400;font-size:clamp(36px,5vw,56px);letter-spacing:-.03em;line-height:1;margin:6px 0 0}.ea-done-body{font-size:16px;line-height:1.55;color:var(--ink-2);margin:0;text-wrap:pretty}.ea-em{color:var(--ink)}.beta-card{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);padding:30px 30px 32px;display:flex;flex-direction:column;gap:14px;position:-webkit-sticky;position:sticky;top:92px}.beta-card-title{font-family:var(--font-display);font-weight:400;font-size:clamp(28px,3.4vw,38px);letter-spacing:-.03em;line-height:1;margin:2px 0 0}.beta-note{font-size:13px;line-height:1.5;color:var(--ink-2);margin:2px 0 6px;padding-bottom:16px;border-bottom:1px solid var(--line-soft);text-wrap:pretty}.beta-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.beta-list li{display:flex;align-items:flex-start;gap:12px;font-size:14px;line-height:1.4;color:var(--ink)}.beta-list .tick{flex-shrink:0;width:20px;height:20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:11px;background:var(--ink);color:var(--bg);margin-top:1px}.signin-panel{max-width:520px}.auth-input-modal{font-size:clamp(24px,3vw,34px)}.landing-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:28px clamp(24px,6vw,96px);border-top:1px solid var(--line);margin-top:24px}@media (max-width:860px){.ea-layout,.value-grid{grid-template-columns:1fr}.beta-card{position:static}}@media (max-width:600px){.ea-grid,.step-row{grid-template-columns:1fr}.step-row{gap:12px}.step-no{padding-top:0}.landing-nav{padding:14px 18px}.theme-opt{padding:6px 9px}.hero-actions{gap:18px}}.ripe-badge{display:inline-flex;align-items:center;gap:3px;padding:2px 7px;border-radius:var(--radius-pill);color:var(--ink-3);font-size:11px;white-space:nowrap}.review-nudge,.ripe-badge{border:1px solid var(--ink-4)}.review-nudge{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:200;background:var(--bg-2);border-radius:12px;padding:16px 20px;display:flex;flex-direction:column;gap:12px;width:calc(100% - 48px);max-width:480px;box-shadow:0 8px 32px rgba(0,0,0,.5)}.review-nudge-body{display:flex;align-items:flex-start;gap:10px}.review-nudge-icon{font-size:18px;flex-shrink:0}.review-nudge-title{color:var(--ink);margin-bottom:2px}.review-nudge-sub{font-size:11px}.review-nudge-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}@media (max-width:480px){.review-nudge{bottom:16px;padding:14px 16px}.review-nudge-actions{flex-direction:column;align-items:stretch}}.vocab-sel-btn{position:fixed;z-index:400;display:inline-flex;align-items:center;justify-content:center;gap:8px;width:150px;height:44px;border-radius:var(--radius-pill);border:1px solid var(--ink);background:var(--ink);color:var(--bg);font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;box-shadow:0 10px 30px rgba(0,0,0,.35);animation:vocabPop .16s ease-out;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.vocab-sel-plus{font-size:16px;line-height:1}@keyframes vocabPop{0%{opacity:0;transform:translateY(4px) scale(.96)}to{opacity:1;transform:none}}.vocab-draft{position:absolute;z-index:5;left:50%;bottom:84px;transform:translateX(-50%);width:calc(100% - 40px);max-width:460px;display:flex;flex-direction:column;gap:10px;padding:14px 16px 16px;background:var(--bg-2);border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px rgba(0,0,0,.45);animation:vocabPop .18s ease-out}.vocab-draft-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.vocab-draft-fields{display:flex;flex-direction:column;gap:2px}.vocab-draft-term-input,.vocab-draft-tr-input{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line-soft);outline:0;color:var(--ink);padding:6px 0;font-family:var(--font-body)}.vocab-draft-term-input{font-family:var(--font-display);font-size:24px;letter-spacing:-.02em}.vocab-draft-tr-input{font-size:16px;color:var(--ink-2)}.vocab-draft-term-input:focus,.vocab-draft-tr-input:focus{border-bottom-color:var(--ink-3)}.vocab-draft-tr-input::placeholder{color:var(--ink-4);font-style:italic}.vocab-draft-term{font-family:var(--font-display);font-size:24px;letter-spacing:-.02em}.vocab-draft-tr{color:var(--ink-2)}.vocab-draft-ctx{margin:0;font-size:13px;line-height:1.45;color:var(--ink-3);font-style:italic;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.vocab-draft-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}.vocab-draft-save{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:44px;padding:0 20px;border-radius:var(--radius-pill);border:1px solid var(--ink);background:var(--ink);color:var(--bg);font-size:14px;font-weight:500}.vocab-draft-save:disabled{opacity:.4}.vocab-draft-save .vocab-kbd{color:var(--bg);opacity:.55}.vocab-toast{position:absolute;z-index:5;left:50%;bottom:84px;transform:translateX(-50%);max-width:calc(100% - 40px);padding:10px 16px;border-radius:var(--radius-pill);background:var(--ink);color:var(--bg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;animation:vocabPop .18s ease-out}@media (max-width:720px){.vocab-draft{width:calc(100% - 24px);bottom:76px}.vocab-draft-head .icon-btn-sm{width:44px;height:44px;margin:-10px -10px -10px 0}.vocab-draft-actions>*{flex:1 1}.vocab-toast{bottom:76px}}.vocab-strip{display:flex;align-items:center;justify-content:space-between;gap:16px 24px;flex-wrap:wrap;border:1px solid var(--line);border-radius:var(--radius-card);padding:16px 26px;margin-bottom:14px}.vocab-strip.is-due{background:var(--card)}.vocab-strip-main{display:flex;flex-direction:column;gap:4px;min-width:0}.vocab-strip-line{font-family:var(--font-display);font-size:clamp(20px,1.6vw,24px);letter-spacing:-.02em;line-height:1.15}.vocab-strip-calm{color:var(--ink-2);font-style:italic}.vocab-strip-btn{padding:11px 20px;font-size:14px}@media (max-width:640px){.vocab-strip{padding:16px 18px}.vocab-strip-btn{width:100%;justify-content:center;min-height:44px}}.vr-overlay{position:fixed;inset:0;z-index:300;background:rgba(8,7,6,.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:24px}.vr-panel{outline:0;width:100%;max-width:560px;max-height:calc(100vh - 48px);overflow-y:auto;background:var(--bg-2);border:1px solid var(--line);border-radius:26px;padding:22px 28px 24px;display:flex;flex-direction:column;gap:14px;box-shadow:0 28px 80px rgba(0,0,0,.55)}.vr-head{justify-content:space-between;gap:12px}.vr-eyebrow,.vr-head{display:flex;align-items:center}.vr-eyebrow{gap:8px}.vr-progress{height:2px;background:var(--line-soft);border-radius:2px;overflow:hidden}.vr-progress-fill{height:100%;background:var(--ink-2);transition:width .3s ease}.vr-card{display:flex;flex-direction:column;gap:14px;padding-top:18px;animation:vocabPop .2s ease-out}.vr-mode{letter-spacing:.08em;text-transform:uppercase}.vr-prompt{font-family:var(--font-display);font-weight:400;font-size:clamp(34px,5vw,48px);letter-spacing:-.03em;line-height:1.05;overflow-wrap:anywhere}.vr-ctx{margin:0;font-size:15px;line-height:1.55;color:var(--ink-2);font-style:italic;border-left:1px solid var(--line);padding-left:14px}.vr-ctx mark{font-style:normal;border-bottom:1px solid var(--ink-3)}.vr-ctx mark,.vr-reveal{background:transparent;color:var(--ink)}.vr-reveal{display:flex;align-items:center;justify-content:center;gap:12px;min-height:56px;margin-top:10px;border:1px dashed var(--line);border-radius:16px;font-size:15px;transition:border-color .2s ease,background .2s ease}.vr-reveal:hover{border-color:var(--ink-3);background:rgba(var(--ink-rgb),.03)}.vr-answer{display:flex;flex-direction:column;gap:10px;padding-top:14px;margin-top:4px;border-top:1px solid var(--line-soft);animation:vocabPop .18s ease-out}.vr-answer-main{font-family:var(--font-display);font-size:clamp(24px,3.4vw,30px);letter-spacing:-.02em;line-height:1.15}.vr-grades{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px;margin-top:4px}.vr-grade{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:60px;padding:8px 6px;border:1px solid var(--line);border-radius:14px;background:transparent;color:var(--ink);transition:border-color .2s ease,background .2s ease,transform .16s ease}.vr-grade:hover{border-color:var(--ink-3);background:rgba(var(--ink-rgb),.04)}.vr-grade:active{transform:scale(.97)}.vr-grade-label{font-size:14px;font-weight:500}.vr-grade-again .vr-grade-label{color:#E2A98C}.vr-grade-good{border-color:var(--ink-3)}.vr-grade.is-suggested{border-color:var(--ink-2);background:rgba(var(--ink-rgb),.06)}.vr-input-wrap{display:flex;flex-direction:column;gap:6px;margin-top:6px}.vr-input-label{letter-spacing:.08em;text-transform:uppercase}.vr-input{font-size:17px;min-height:48px;width:100%}.vr-verdict{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 10px}.vr-verdict-tag{padding:2px 10px;border:1px solid var(--line);border-radius:999px;color:var(--ink-2)}.vr-verdict-correct .vr-verdict-tag{border-color:var(--ink-3);color:var(--ink)}.vr-verdict-wrong .vr-verdict-tag{border-color:rgba(226,169,140,.55);color:#E2A98C}.vr-verdict-answer{font-size:16px;color:var(--ink);overflow-wrap:anywhere;min-width:0}.vr-verdict-note{margin:0;flex-basis:100%;font-size:14px;line-height:1.5;color:var(--ink-2)}.vr-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:10px;margin-top:4px;border-top:1px solid var(--line-soft)}.vr-src{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.vr-remove{background:transparent;border:0;color:var(--ink-3);font:inherit;padding:12px 0;min-height:44px;text-decoration:underline;text-underline-offset:3px;-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line)}.vr-remove:hover{color:#E2A98C}.vr-done{display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:26px 0 6px}.vr-done-title{margin:0;font-family:var(--font-display);font-weight:400;font-size:44px;letter-spacing:-.03em;line-height:1}.vr-done-line{margin:0;color:var(--ink-2)}.vr-done-btn{margin-top:12px}@media (max-width:640px){.vr-overlay{padding:0;align-items:stretch}.vr-panel{max-width:none;max-height:none;height:100%;border-radius:0;border:0;padding:16px 16px calc(20px + env(safe-area-inset-bottom))}.vr-head .icon-btn{width:44px;height:44px}.vr-card{flex:1 1}.vr-grades{grid-template-columns:repeat(2,1fr)}.vr-grades,.vr-reveal{margin-top:auto}.vr-kbd{display:none}.vr-grade{min-height:56px}.vr-done-btn{width:100%;justify-content:center}.vr-src{white-space:normal}}.vocab-strip-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.vocab-strip-link{min-width:0}.detail-vocab-link{align-self:flex-start;background:transparent;border:0;padding:0;min-height:44px;color:var(--ink);text-align:left;text-decoration:underline;text-underline-offset:4px;-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line)}.detail-vocab-link:hover{-webkit-text-decoration-color:var(--ink-3);text-decoration-color:var(--ink-3)}.detail-vocab-due{color:var(--gold)}@media (max-width:640px){.vocab-strip-actions{width:100%}.vocab-strip-actions>*{flex:1 1}}.vocab-screen .detail-hero{max-width:1100px}.vx-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);overflow:hidden}.vx-stat{display:flex;flex-direction:column;gap:10px;padding:20px 24px}.vx-stat+.vx-stat{border-left:1px solid var(--line-soft)}.vx-stat-val{font-family:var(--font-display);font-weight:380;font-size:clamp(34px,3.6vw,52px);letter-spacing:-.03em;line-height:1}.vx-stat-val.is-due{color:var(--gold)}.vx-memory{display:flex;flex-direction:column;gap:10px;margin-top:22px}.vx-memory-bar{display:flex;height:6px;border-radius:6px;overflow:hidden;background:var(--line-soft)}.vx-seg{display:block;height:100%;transition:width .4s ease}.vx-seg-new{background:var(--ink-4)}.vx-seg-learning{background:var(--ink-2)}.vx-seg-known{background:var(--gold)}.vx-memory-legend{display:flex;flex-wrap:wrap;gap:6px 18px}.vx-memory-legend span{display:inline-flex;align-items:center;gap:6px}.vx-key{display:inline-block;width:8px;height:8px;border-radius:2px}.vx-cta{display:flex;align-items:center;gap:12px 16px;flex-wrap:wrap;margin-top:28px}.vx-calm{font-family:var(--font-display);font-style:italic;font-size:20px;color:var(--ink-2);margin-right:8px}.vx-list-section{gap:18px;max-width:1100px;width:100%}.vx-add,.vx-list-section{display:flex;flex-direction:column}.vx-add{gap:12px;padding:18px 22px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card)}.vx-add-fields{display:grid;grid-template-columns:1.1fr 1.3fr auto;grid-gap:12px 20px;gap:12px 20px;align-items:end}.vx-add-term,.vx-add-tr{width:100%;min-width:0;background:transparent;border:0;border-bottom:1px solid var(--line);color:var(--ink);outline:0;padding:8px 0}.vx-add-term{font-family:var(--font-display);font-size:26px;letter-spacing:-.02em}.vx-add-tr{font-size:16px}.vx-add-term:focus,.vx-add-tr:focus{border-bottom-color:var(--ink-3)}.vx-add-term::placeholder,.vx-add-tr::placeholder{color:var(--ink-4)}.vx-add-mod,.vx-select{height:44px;padding:0 12px;background:transparent;color:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius-pill);max-width:100%}.vx-add-note{color:var(--gold)}.vx-add-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}.vx-add-submit{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:var(--radius-pill);border:1px solid var(--ink);background:var(--ink);color:var(--bg);font-size:14px;font-weight:500}.vx-add-submit:disabled{opacity:.35;cursor:default}.vx-toolbar{display:flex;flex-direction:column;gap:12px}.vx-search{display:flex;align-items:center;gap:10px;padding:0 16px;height:48px;border:1px solid var(--line);border-radius:var(--radius-pill);color:var(--ink-3)}.vx-search:focus-within{border-color:var(--ink-3)}.vx-search input{flex:1 1;min-width:0;height:100%;background:transparent;border:0;outline:0;color:var(--ink);font-size:16px;font-family:var(--font-body)}.vx-chips{display:flex;gap:8px;flex-wrap:wrap}.vx-chip{display:inline-flex;align-items:center;gap:8px;min-height:40px}.vx-chip-count{font-family:var(--font-mono);font-size:11px;opacity:.6}.vx-toolbar-row{display:flex;align-items:center;justify-content:space-between;gap:10px 16px;flex-wrap:wrap}.vx-sort{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius-pill);padding:3px;margin-left:auto}.vx-sort-btn{min-height:36px;padding:0 12px;border:0;border-radius:var(--radius-pill);background:transparent;color:var(--ink-3);font:inherit;letter-spacing:inherit;text-transform:inherit}.vx-sort-btn.is-active{background:rgba(var(--ink-rgb),.08);color:var(--ink)}.vx-count{margin-top:6px}.vx-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.vx-row{border-bottom:1px solid var(--line)}.vx-row-main{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;grid-gap:18px;gap:18px;padding:14px 4px}.vx-speak{width:44px;height:44px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink-3);transition:color .2s ease,border-color .2s ease,background .2s ease}.vx-speak:hover{color:var(--ink);border-color:var(--ink-3)}.vx-speak.is-busy{color:var(--gold);border-color:var(--gold)}.vx-row-body{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);grid-template-areas:"term tr" "ctx ctx";grid-gap:2px 20px;gap:2px 20px;align-items:baseline;text-align:left;background:transparent;border:0;padding:4px 0;color:inherit;min-width:0;cursor:pointer}.vx-term{grid-area:term;font-family:var(--font-display);font-size:24px;letter-spacing:-.02em;line-height:1.15}.vx-term,.vx-tr{overflow-wrap:anywhere}.vx-tr{grid-area:tr;color:var(--ink-2);font-size:15px}.vx-ctx{grid-area:ctx;margin-top:4px;font-size:13px;font-style:italic;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.vx-row-body:hover .vx-term{text-decoration:underline;-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line);text-underline-offset:5px}.vx-row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;min-width:128px}.vx-dots{display:inline-flex;gap:4px}.vx-dot{width:7px;height:7px;border-radius:999px;border:1px solid var(--ink-4)}.vx-dot.is-on{background:var(--ink-2);border-color:var(--ink-2)}.vx-dots.is-known .vx-dot.is-on{background:var(--gold);border-color:var(--gold)}.vx-due{white-space:nowrap}.vx-due.is-due{color:var(--gold)}.vx-row-detail{display:flex;flex-direction:column;gap:14px;padding:4px 4px 22px 62px;animation:vocabPop .18s ease-out}.vx-edit{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px 20px;gap:12px 20px}.vx-edit-field{display:flex;flex-direction:column;gap:6px}.vx-edit-field .field-input{font-size:16px}.vx-ctx-full{margin:0;font-size:15px;line-height:1.55;font-style:italic;color:var(--ink-2);border-left:1px solid var(--line);padding-left:14px}.vx-facts{display:flex;flex-wrap:wrap;gap:6px 16px}.vx-row-actions{align-items:center;justify-content:space-between}.vx-row-actions,.vx-row-actions-right{display:flex;gap:10px;flex-wrap:wrap}.vx-attempts{display:flex;flex-direction:column;gap:8px}.vocab-draft.is-fixed,.vocab-toast.is-fixed{position:fixed;z-index:200;bottom:calc(24px + env(safe-area-inset-bottom))}.vocab-draft.is-fixed{width:calc(100% - 32px);box-shadow:0 24px 60px rgba(0,0,0,.45)}.vx-memory-model{margin-top:10px;line-height:1.6}.vx-attempts-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.vx-attempt{display:grid;grid-template-columns:76px minmax(0,1fr) auto;grid-gap:2px 12px;gap:2px 12px;align-items:baseline}.vx-attempt-tag.is-wrong{color:#E2A98C}.vx-attempt-tag.is-correct{color:var(--ink)}.vx-attempt-answer{min-width:0;overflow-wrap:anywhere}.vx-attempt-note{grid-column:2/-1;font-size:14px;line-height:1.45;color:var(--ink-2)}@media (max-width:640px){.vx-attempt{grid-template-columns:64px minmax(0,1fr)}.vx-attempt-date{grid-column:2}}.vx-link-danger{background:transparent;border:0;padding:0;min-height:44px;color:var(--ink-3);text-decoration:underline;text-underline-offset:4px;-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line)}.vx-link-danger:hover{color:#E2A98C}.vx-empty{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:36px 28px;border:1px dashed var(--line);border-radius:var(--radius-card)}.vx-empty p{margin:0;max-width:560px;line-height:1.55}.vx-empty-title{font-family:var(--font-display);font-size:34px;letter-spacing:-.03em}.vx-undo{position:fixed;z-index:250;left:50%;bottom:24px;transform:translateX(-50%);display:flex;align-items:center;gap:18px;max-width:calc(100% - 32px);padding:8px 8px 8px 20px;border-radius:var(--radius-pill);background:var(--ink);color:var(--bg);box-shadow:0 12px 40px rgba(0,0,0,.35);animation:vocabPop .18s ease-out}.vx-undo>span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.vx-undo-btn{flex-shrink:0;min-height:40px;padding:0 16px;border-radius:var(--radius-pill);border:1px solid rgba(var(--bg-rgb),.3);background:transparent;color:var(--bg)}.vr-speak{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin-left:10px;vertical-align:middle;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink-3)}.vr-speak:hover{color:var(--ink);border-color:var(--ink-3)}@media (max-width:860px){.vx-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.vx-stat:nth-child(3){border-left:0}.vx-stat:nth-child(n+3){border-top:1px solid var(--line-soft)}.vx-add-fields{grid-template-columns:1fr}}@media (max-width:640px){.vocab-screen .detail-top>.mono.small.dim:last-child{display:none}.vx-stat{padding:16px 18px}.vx-cta>*{width:100%;justify-content:center}.vx-calm{font-size:18px;margin:0}.vx-chips{flex-wrap:nowrap;overflow-x:auto;margin:0 -18px;padding:0 18px 2px;scrollbar-width:none}.vx-chips::-webkit-scrollbar{display:none}.vx-chip{flex-shrink:0;min-height:44px}.vx-sort{margin-left:0}.vx-sort-btn{min-height:38px}.vx-select{flex:1 1}.vx-row-main{grid-template-columns:auto minmax(0,1fr);grid-template-areas:"speak body" "speak meta";gap:6px 14px;align-items:start}.vx-speak{grid-area:speak}.vx-row-body{grid-area:body;grid-template-columns:1fr;grid-template-areas:"term" "tr" "ctx"}.vx-term{font-size:22px}.vx-row-meta{grid-area:meta;flex-direction:row;align-items:center;justify-content:flex-start;gap:12px;min-width:0}.vx-row-detail{padding:4px 0 20px}.vx-edit{grid-template-columns:1fr}.vx-row-actions-right{width:100%}.vx-row-actions-right>*{flex:1 1}.vx-add{padding:16px}.vx-add-actions>*{flex:1 1}.vx-undo{bottom:16px}}.app-nav{position:-webkit-sticky;position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:28px;padding:0 clamp(28px,6vw,96px);min-height:64px;background:rgba(var(--bg-rgb),.78);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);border-bottom:1px solid var(--line-soft)}.app-nav-brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0;border:0;background:none;color:var(--ink);cursor:pointer;flex-shrink:0}.app-nav-brand-mark{width:28px;height:28px;border-radius:50%;display:inline-grid;place-items:center;border:1px solid var(--line);font-family:var(--font-display);font-style:italic;font-size:15px}.app-nav-brand-name{font-family:var(--font-display);font-size:17px;letter-spacing:-.01em;white-space:nowrap}.app-nav-tabs{display:flex;align-items:stretch;gap:4px;flex:1 1;min-width:0;align-self:stretch;overflow-x:auto;scrollbar-width:none}.app-nav-tabs::-webkit-scrollbar{display:none}.app-nav-tab{position:relative;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);text-decoration:none;white-space:nowrap;transition:color .16s ease}.app-nav-tab.is-active,.app-nav-tab:hover{color:var(--ink)}.app-nav-tab.is-active:after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:1.5px;background:var(--gold)}.app-nav-tab svg{flex-shrink:0;display:block}.app-nav-badge{min-width:18px;height:18px;padding:0 5px;border-radius:999px;display:inline-grid;place-items:center;background:rgba(var(--ink-rgb),.08);color:var(--ink-2);font-size:10px;letter-spacing:0}.app-nav-account{position:relative;flex-shrink:0}.app-nav-avatar{display:inline-flex;align-items:center;gap:10px;min-height:44px;min-width:44px;padding:0 4px;border:0;background:none;color:var(--ink-2);cursor:pointer}.app-nav-avatar:hover{color:var(--ink)}.app-nav-initial{width:32px;height:32px;border-radius:50%;display:inline-grid;place-items:center;background:rgba(var(--ink-rgb),.06);border:1px solid var(--line);font-family:var(--font-mono);font-size:12px}.app-nav-account-name{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.app-nav-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:40;min-width:220px;max-width:calc(100vw - 32px);padding:8px;border-radius:14px;background:var(--bg-2);border:1px solid var(--line);box-shadow:0 18px 50px rgba(0,0,0,.35)}.app-nav-menu-who{padding:10px 12px 12px;border-bottom:1px solid var(--line-soft);margin-bottom:6px}.app-nav-menu-name{color:var(--ink);font-size:14px}.app-nav-menu-email{margin-top:4px;text-transform:none;letter-spacing:.02em;overflow:hidden;text-overflow:ellipsis}.app-nav-menu-item{display:flex;align-items:center;width:100%;min-height:44px;padding:0 12px;border:0;border-radius:10px;background:none;color:var(--ink-2);font-family:var(--font-body);font-size:14px;text-align:left;cursor:pointer}.app-nav-menu-item:hover{background:rgba(var(--ink-rgb),.05);color:var(--ink)}.app-nav~.screen .cz-top,.app-nav~.screen .detail-top{position:static;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}.app-nav~.screen .detail-top{margin-top:0;padding-top:0;padding-bottom:0;border-bottom:0}.page-head{max-width:1100px}.modules-page{gap:48px}.week-meta-link{border:0;background:none;padding:0;color:inherit;font:inherit;letter-spacing:inherit;text-transform:inherit;cursor:pointer;min-height:24px}.week-meta-link:hover{color:var(--ink)}@media (max-width:720px){.app-nav{flex-wrap:wrap;gap:0 12px;padding:4px 18px 0;min-height:0}.app-nav-brand{flex:1 1}.app-nav-brand-name{font-size:16px}.app-nav-account-name{display:none}.app-nav-tabs{order:3;flex:0 0 100%;margin:0 -18px;padding:0 12px;gap:0}.app-nav-tab{padding:0 10px}.app-nav-tab svg{display:none}.app-nav~.screen .detail-top{align-items:center}.app-nav~.screen .detail-top .crumbs{display:none}.app-nav-tab.is-active:after{left:10px;right:10px}}@media (max-width:400px){.app-nav{padding:2px 16px 0}.app-nav-tabs{margin:0 -16px;padding:0 8px}.app-nav-tab{padding:0 9px;font-size:10px}}