:root{--bg: #f6f6f8;--surface: #ffffff;--surface-2: #f1f1f5;--text: #16161d;--muted: #6b6b78;--line: #e2e2e9;--accent: #3f4bd8;--accent-soft: #eceeff;--accent-line: #c9cdfa;--ok: #17794a;--ok-soft: #e6f5ec;--warn: #a13a2a;--warn-soft: #fdece8;--radius: 12px;--radius-sm: 9px;--t-today-bg: #e8f0ff;--t-today-fg: #2a58ad;--t-soon-bg: #fdf3dd;--t-soon-fg: #8a5a12;--t-hour-bg: #fee9d9;--t-hour-fg: #9b4a15;--t-alarm-bg: #fdeaea;--t-alarm-fg: #a5322c;--t-kind-bg: #f0eefb;--t-kind-fg: #5f52a8;--t-physics-bg: #e6f1fb;--t-physics-fg: #1f5f96;--t-math-bg: #e4f4ec;--t-math-fg: #16714a;--t-other-bg: #f1f1f5;--t-other-fg: #5c5c6b;--t-ext-bg: #e7e9f0;--t-ext-fg: #4f5666;--t-ext-line: #cfd4e0;--c-grape-bg: #efeafb;--c-grape-fg: #5b46a8;--c-ocean-bg: #e4eefb;--c-ocean-fg: #1f5f96;--c-pine-bg: #e2f2e9;--c-pine-fg: #1c6b48;--c-amber-bg: #fbeed6;--c-amber-fg: #8a5a12;--c-rose-bg: #fbe7f4;--c-rose-fg: #9c2f7d;--c-slate-bg: #e8eaef;--c-slate-fg: #4a5262;--c-olive-bg: #eef2dd;--c-olive-fg: #5f6b16;--t-paid-bg: #e4f4ea;--t-paid-fg: #1c6b45;--c-teal-bg: #ddf0f2;--c-teal-fg: #14646e;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #131318;--surface: #1c1c23;--surface-2: #24242d;--text: #ececf1;--muted: #9a9aa8;--line: #2f2f3a;--accent: #9aa2ff;--accent-soft: #24263f;--accent-line: #3d4180;--ok: #6fd39b;--ok-soft: #1a2b22;--warn: #ff9f8c;--warn-soft: #33201c;--t-today-bg: #1c2740;--t-today-fg: #a3c4ff;--t-soon-bg: #322815;--t-soon-fg: #eec46f;--t-hour-bg: #38261a;--t-hour-fg: #f4a86f;--t-alarm-bg: #3a2020;--t-alarm-fg: #ff9a8e;--t-kind-bg: #272243;--t-kind-fg: #b6a8ff;--t-physics-bg: #16293a;--t-physics-fg: #86c2f0;--t-math-bg: #142a20;--t-math-fg: #79d3a5;--t-other-bg: #26262f;--t-other-fg: #a6a6b5;--t-ext-bg: #2e3340;--t-ext-fg: #b4bccc;--t-ext-line: #454d60;--c-grape-bg: #262042;--c-grape-fg: #b6a8ff;--c-ocean-bg: #16293a;--c-ocean-fg: #86c2f0;--c-pine-bg: #14291f;--c-pine-fg: #79d3a5;--c-amber-bg: #322815;--c-amber-fg: #eec46f;--c-rose-bg: #331b30;--c-rose-fg: #ef97d6;--c-slate-bg: #272b34;--c-slate-fg: #aab3c4;--c-olive-bg: #262b14;--c-olive-fg: #c3d36a;--t-paid-bg: #14291f;--t-paid-fg: #79d3a5;--c-teal-bg: #122b2e;--c-teal-fg: #7ed0d9}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;cursor:pointer}a{color:var(--accent)}.app{max-width:1240px;margin:0 auto;padding:20px 16px 64px}@media(min-width:1000px){.app{padding:32px 32px 72px}}.topbar{display:flex;flex-wrap:wrap;gap:12px;align-items:baseline;justify-content:space-between;margin-bottom:20px}.eyebrow{margin:0 0 2px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.topbar h1{margin:0;font-size:22px;font-weight:650;letter-spacing:-.01em}.clock{display:grid;gap:2px;font-size:13px;color:var(--muted)}.clock-row{display:flex;align-items:baseline;gap:7px}@media(min-width:640px){.clock-row{justify-content:flex-end}}.clock-who{min-width:96px}@media(min-width:640px){.clock-who{min-width:0}}.clock-time{color:var(--text);font-size:16px;font-weight:650;font-variant-numeric:tabular-nums;letter-spacing:-.01em}.clock-zone{font-size:12px}button.clock-row{border:0;background:none;padding:0;margin:0;font:inherit;color:inherit;cursor:pointer;width:100%;text-align:inherit;transition:transform .11s cubic-bezier(.2,.9,.3,1)}button.clock-row .clock-zone{text-decoration:underline;text-decoration-color:var(--accent-line);text-underline-offset:3px}button.clock-row:hover .clock-zone{color:var(--accent)}button.clock-row:active{transform:scale(.975)}@media(prefers-reduced-motion:reduce){button.clock-row{transition:none}button.clock-row:active{transform:none}}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.section{margin-bottom:24px}.section-title{margin:0 0 10px;font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}.muted{color:var(--muted)}.empty{color:var(--muted);font-size:14px}.lesson-list{display:grid;gap:10px}.lesson{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--radius);padding:12px 14px}.lesson.pending{border-left-color:var(--muted);background:var(--surface-2)}.lesson.live{border-color:var(--t-alarm-fg);border-left-color:var(--t-alarm-fg);background:var(--t-alarm-bg)}.lesson-main{min-width:0}.live-dot{display:inline-block;flex:none;width:7px;height:7px;border-radius:50%;background:currentColor;animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.btn-link-icon{display:inline-flex;align-items:center;gap:7px;text-decoration:none;font-weight:550}.btn-link-icon svg{display:block;flex:none}.btn-link-icon.btn-primary{color:#fff}.links-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;margin-bottom:12px}.links-bar.live{border-color:var(--t-alarm-fg);background:var(--t-alarm-bg)}.links-text{display:grid;gap:1px;font-size:13px;color:var(--muted)}.links-text b{font-size:15px;font-weight:650;color:var(--text)}.links-bar.live .links-text b{color:var(--t-alarm-fg)}.links-actions{display:flex;gap:8px;margin-left:auto}.board-wrap{position:relative}.board-count{font-size:12px;font-weight:600;color:var(--muted);background:var(--surface-2);border-radius:99px;padding:1px 7px}.board-menu{position:absolute;top:calc(100% + 6px);right:0;z-index:10;min-width:240px;max-width:min(300px,80vw);display:grid;gap:2px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 40px #08081038,0 2px 6px #0808101a;animation:dialog-in .14s ease-out}.board-menu a{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:9px;color:var(--text);text-decoration:none;font-size:14px;line-height:1.3}.board-menu a:hover{background:var(--accent-soft);color:var(--accent)}.board-menu svg{flex:none}.board-group{display:grid;gap:2px}.board-group-title{display:block;padding:8px 10px 3px;font-size:12px;font-weight:620;letter-spacing:.075em;line-height:1.4;text-transform:uppercase;color:var(--muted)}.board-group+.board-group .board-group-title{margin-top:4px;border-top:1px solid var(--line)}@media(prefers-color-scheme:dark){.btn-link-icon.btn-primary{color:#14141b}}.lesson-when{font-weight:600}.lesson-meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:2px}.lesson-actions{display:flex;gap:8px;margin-left:auto}.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:99px;background:var(--t-other-bg);color:var(--t-other-fg);white-space:nowrap}.badge.subject{font-weight:650}.tint-today{background:var(--t-today-bg);color:var(--t-today-fg)}.tint-soon{background:var(--t-soon-bg);color:var(--t-soon-fg)}.tint-hour{background:var(--t-hour-bg);color:var(--t-hour-fg)}.tint-paid{background:var(--t-paid-bg);color:var(--t-paid-fg)}.tint-debt,.tint-imminent,.tint-live{background:var(--t-alarm-bg);color:var(--t-alarm-fg)}.tint-kind{background:var(--t-kind-bg);color:var(--t-kind-fg)}.tint-physics{background:var(--t-physics-bg);color:var(--t-physics-fg)}.tint-math{background:var(--t-math-bg);color:var(--t-math-fg)}.tint-other{background:var(--t-other-bg);color:var(--t-other-fg)}.tint-ext{background:var(--t-ext-bg);color:var(--t-ext-fg)}.btn{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-sm);padding:7px 12px;font-size:14px;transition:border-color .12s,background .12s}.btn:hover:not(:disabled){border-color:var(--accent-line)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:550}@media(prefers-color-scheme:dark){.btn-primary{color:#14141b}}.btn-primary:hover:not(:disabled){filter:brightness(1.06)}.btn-quiet{border-color:transparent;background:transparent;color:var(--muted);padding:7px 8px}.btn-quiet:hover:not(:disabled){color:var(--text)}.controls{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:14px}.week-nav{display:flex;align-items:center;gap:8px}.week-label{min-width:130px;text-align:center;font-weight:600}.duration-block{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;max-width:420px}.duration-label{font-size:18px;font-weight:650;letter-spacing:-.01em}.duration{display:flex;gap:4px;padding:4px;background:var(--surface-2);border:1px solid var(--line);border-radius:99px}.duration button{flex:1;border:0;background:transparent;border-radius:99px;padding:10px 12px;font-size:15px;font-weight:550;color:var(--muted);transition:background .12s,color .12s}.duration.wrap{flex-wrap:wrap;border-radius:14px}.duration.wrap button{flex:0 1 auto;border-radius:10px}.duration button:hover[aria-pressed=false]{background:var(--surface);color:var(--text)}.duration button[aria-pressed=true]{background:var(--accent);color:#fff;font-weight:650}@media(prefers-color-scheme:dark){.duration button[aria-pressed=true]{color:#14141b}}.week-cal{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.week-head,.week-grid{display:grid;grid-template-columns:46px repeat(7,minmax(0,1fr))}.week-cal.compact .week-head,.week-cal.compact .week-grid{grid-template-columns:38px repeat(7,minmax(0,1fr))}.week-head{position:sticky;top:0;z-index:3;background:color-mix(in srgb,var(--surface) 78%,transparent);-webkit-backdrop-filter:blur(14px) saturate(160%);backdrop-filter:blur(14px) saturate(160%);box-shadow:0 8px 12px -12px #08081080}@media(prefers-reduced-transparency:reduce){.week-head{background:var(--surface);-webkit-backdrop-filter:none;backdrop-filter:none;border-bottom:1px solid var(--line)}}.week-dayname{display:flex;align-items:baseline;justify-content:center;gap:5px;padding:9px 2px;border-left:1px solid var(--line)}.week-dow{font-size:12px;text-transform:uppercase;letter-spacing:.075em;line-height:1.4;color:var(--muted);font-weight:620}.week-dnum{font-size:16px;font-weight:650;font-variant-numeric:tabular-nums}.week-dayname.past .week-dow,.week-dayname.past .week-dnum{opacity:.5}.week-dayname.today .week-dnum{background:var(--accent);color:#fff;border-radius:99px;padding:1px 8px 2px;margin:-1px -3px}.week-dayname.today .week-dow{color:var(--accent)}@media(prefers-color-scheme:dark){.week-dayname.today .week-dnum{color:#14141b}}.week-body{max-height:62vh;overflow-y:auto}.week-grid,.week-gutter{position:relative}.week-gutter span{position:absolute;right:7px;transform:translateY(-50%);font-size:11px;letter-spacing:.004em;color:var(--muted);font-variant-numeric:tabular-nums}.week-col{position:relative;border-left:1px solid var(--line)}.week-col.today{background:color-mix(in srgb,var(--accent-soft) 45%,transparent)}.week-col.past{background:color-mix(in srgb,var(--surface-2) 45%,transparent)}.week-line{position:absolute;left:0;right:0;border-top:1px solid var(--line);pointer-events:none}.week-now{position:absolute;left:0;right:0;border-top:2px solid #e5484d;pointer-events:none;z-index:2}.week-now i{position:absolute;left:-4px;top:-5px;width:8px;height:8px;border-radius:50%;background:#e5484d}.week-block{position:absolute;left:3px;right:3px;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:1px;overflow:hidden;padding:3px 5px;border:1px solid currentColor;border-radius:8px;font:inherit;font-size:12px;letter-spacing:.004em;line-height:1.25;text-align:left;cursor:pointer;transition:transform .11s ease,box-shadow .11s ease}.week-block b{font-weight:650;font-variant-numeric:tabular-nums}.week-block span{opacity:.82;white-space:nowrap}.week-block-local{font-size:11px}.week-block:active{transform:scale(.96)}.week-block.picked{box-shadow:0 0 0 2px var(--accent)}.week-block.over{opacity:.55}.week-block.pending{background:var(--surface);border-style:dashed;border-color:currentColor}.week-cal.compact .week-block{left:2px;right:2px;padding:2px 4px;font-size:11px}@media(prefers-reduced-motion:reduce){.week-block{transition:none}.week-block:active{transform:none}}.days{display:grid;gap:8px}.day{display:grid;grid-template-columns:112px 1fr;gap:10px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px}.day.today{border-color:var(--accent-line)}.day-name{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 6px;line-height:1.2}.dow{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.dnum{font-size:20px;font-weight:650;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.dmon{font-size:12px;color:var(--muted)}.day.today .dow,.day.today .dnum{color:var(--accent)}.day.today .dmon{color:var(--accent);font-weight:600}.day.past{opacity:.55}.slots{display:flex;flex-wrap:wrap;gap:6px}.slot{border:1px solid var(--accent-line);background:var(--accent-soft);color:var(--accent);font-weight:600;font-size:14px;border-radius:var(--radius-sm);padding:6px 10px;transition:transform .1s,filter .12s}.slot:hover{filter:brightness(.97);transform:translateY(-1px)}.slot small{display:block;font-size:11px;font-weight:500;opacity:.75}.day-empty{font-size:13px;color:var(--muted);padding:6px 0}@media(min-width:760px){.days{grid-template-columns:repeat(7,1fr);gap:8px}.day{display:block;padding:12px 10px}.day-name{margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--line)}.slots{flex-direction:column}.slot{width:100%;text-align:center;padding:8px 4px}}.flash{border-radius:var(--radius);padding:10px 14px;margin-bottom:16px;font-size:14px;border:1px solid var(--line)}.flash.ok{background:var(--ok-soft);border-color:transparent;color:var(--ok)}.flash.error{background:var(--warn-soft);border-color:transparent;color:var(--warn)}.move-banner{position:sticky;top:8px;z-index:5;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--accent);border-radius:var(--radius);padding:10px 14px;margin-bottom:16px;font-size:14px}.backdrop{position:fixed;inset:0;background:#08080c8c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;padding:0;z-index:20;animation:backdrop-in .15s ease-out}@keyframes backdrop-in{0%{opacity:0}}@media(min-width:560px){.backdrop{align-items:center;padding:24px}}.dialog{background:var(--surface);border:1px solid var(--line);border-radius:18px 18px 0 0;padding:24px 22px calc(22px + env(safe-area-inset-bottom));width:100%;max-width:440px;box-shadow:0 24px 60px #08081047,0 2px 8px #0808101f}.dialog.ready{animation:dialog-in .24s cubic-bezier(.2,.9,.3,1)}@keyframes dialog-in{0%{opacity:0;transform:translateY(16px) scale(.98)}}@media(min-width:560px){.dialog{border-radius:18px;padding:26px}}.dialog h2{margin:0 0 16px;font-size:21px;font-weight:650;letter-spacing:-.015em}.dialog p{margin:0 0 14px;color:var(--muted);font-size:14px}.dialog-when{display:flex;align-items:flex-start;gap:12px;background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:14px;padding:14px 16px;margin-bottom:16px}.dialog-icon{color:var(--accent);flex:none;margin-top:2px}.dialog-date{font-size:13px;color:var(--muted);margin-bottom:1px}.dialog-time{display:flex;align-items:baseline;gap:8px;font-size:22px;font-weight:650;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.dialog-time span{font-size:13px;font-weight:550;color:var(--accent);background:var(--surface);border-radius:99px;padding:2px 9px;letter-spacing:0}.dialog-local{font-size:13px;color:var(--muted);margin-top:3px}.dialog-subjects{display:grid;gap:6px;margin-bottom:16px}.dialog-subjects>span{font-size:13px;color:var(--muted)}.dialog-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;align-items:center;margin-top:20px}.dialog-actions .btn{padding:10px 18px;font-size:15px;white-space:nowrap}.dialog-actions .btn-danger-left{order:-1;flex-basis:100%;margin-right:auto;text-align:left}@media(max-width:520px){.dialog-actions .btn{flex:1 1 100%}}.field{display:block;margin-bottom:12px}.field span{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.field input,.field select{width:100%;font:inherit;color:inherit;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px 10px}.field input:focus-visible{outline:2px solid var(--accent-line);outline-offset:1px}.demo-links{display:grid;gap:8px;margin:0;padding:0;list-style:none}.demo-links li{display:flex;gap:10px;align-items:baseline;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:8px}.demo-note{font-size:13px;color:var(--muted);margin-top:20px}.skeleton{height:64px;border-radius:var(--radius);background:linear-gradient(90deg,var(--surface) 0%,var(--surface-2) 50%,var(--surface) 100%);background-size:200% 100%;animation:shimmer 1.2s linear infinite}@keyframes shimmer{to{background-position:-200% 0}}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}h1,.topbar h1{font-size:23px;line-height:1.15;letter-spacing:-.021em}.dialog h2,.admin-card h2{line-height:1.2;letter-spacing:-.017em}.duration-label,.links-text b{line-height:1.25;letter-spacing:-.011em}.lesson-when,.week-label,.slot,.btn{letter-spacing:-.003em}.eyebrow,.section-title,.dow,.cal-dow{letter-spacing:.075em}.lesson-meta,.demo-note,.clock,.dialog p,.day-empty{letter-spacing:.004em}.clock-time,.dialog-time,.dnum,.cal-dnum,.slot{font-variant-numeric:tabular-nums}.btn,.slot,.duration button,.tabs button,.admin-list-item,.cal-event{transition:transform .11s cubic-bezier(.2,.9,.3,1),border-color .12s,background .12s,color .12s;touch-action:manipulation}.btn:active:not(:disabled),.duration button:active,.tabs button:active,.admin-list-item:active,.cal-event:active{transform:scale(.975)}.slot:active{transform:scale(.96)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}.dialog{transform-origin:var(--origin-x, 50%) var(--origin-y, 50%)}@media(prefers-reduced-transparency:reduce){.backdrop{-webkit-backdrop-filter:none;backdrop-filter:none;background:#08080cb8}}@media(prefers-contrast:more){.badge,.slot,.btn{border:1px solid currentColor}}.next{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--radius);padding:18px 20px;margin-bottom:12px}.next.pending{border-left-color:var(--muted);background:var(--surface-2)}.next-note{margin:10px 0 0;max-width:46ch;font-size:13px;line-height:1.45;letter-spacing:.004em;color:var(--muted)}.next.live{border-color:var(--t-alarm-fg);border-left-color:var(--t-alarm-fg);background:var(--t-alarm-bg)}.next-main{min-width:0}.next-label{margin:0 0 6px;font-size:12px;font-weight:600;letter-spacing:.075em;text-transform:uppercase;color:var(--muted)}.next.live .next-label{color:var(--t-alarm-fg)}.next-day{margin:0;font-size:14px;color:var(--muted)}.next-time{margin:0 0 8px;font-size:30px;font-weight:650;line-height:1.1;letter-spacing:-.025em;font-variant-numeric:tabular-nums}.next-actions{display:flex;gap:8px;margin-left:auto}.empty-card{display:flex;flex-direction:column;align-items:flex-start;gap:4px;background:var(--surface-2);border:1px dashed var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:12px}.empty-card b{font-size:16px;font-weight:650;letter-spacing:-.011em}.empty-card span{font-size:14px;color:var(--muted)}.empty-card .btn{margin-top:10px}.intro{background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:var(--radius);padding:14px 16px;margin:0 0 20px;font-size:14px;line-height:1.5}.week-label{display:flex;flex-direction:column;line-height:1.2}.week-label small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.03em}.zone-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 14px;padding:12px 14px;margin-bottom:12px;background:var(--surface);border:1px solid var(--accent-line);border-radius:var(--radius)}.zone-bar-text{display:grid;gap:2px;min-width:200px;flex:1 1 240px}.zone-bar-text b{font-size:15px;font-weight:620;letter-spacing:-.003em;line-height:1.5}.zone-bar-text small{font-size:13px;letter-spacing:.004em;line-height:1.45;color:var(--muted)}.zone-bar-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.zone-bar-actions select{font:inherit;font-size:14px;color:inherit;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px 10px;max-width:200px}.tg-connect{display:flex;align-items:center;gap:12px;padding:12px 14px;margin-bottom:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--text);transition:border-color .12s,transform .11s cubic-bezier(.2,.9,.3,1)}.tg-connect:hover{border-color:var(--accent-line)}.tg-connect:active{transform:scale(.99)}.tg-connect svg{flex:none}.tg-connect span{display:grid;gap:1px;min-width:0}.tg-connect b{font-size:15px;font-weight:600;letter-spacing:-.003em}.tg-connect small{font-size:13px;color:var(--muted)}.landing{max-width:560px;padding-top:12vh}.landing-lead{font-size:17px;line-height:1.45;color:var(--muted);margin:0 0 24px}.landing-card{display:grid;gap:6px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--radius)}.landing-card b{font-size:17px;font-weight:650;letter-spacing:-.011em}.landing-card span{font-size:15px;line-height:1.5;color:var(--muted)}.landing-note{margin-top:20px;font-size:14px;color:var(--muted)}.student-tabs{display:inline-flex;gap:4px;padding:3px;margin-bottom:20px;background:var(--surface-2);border:1px solid var(--line);border-radius:99px}.student-tabs button{border:0;background:transparent;border-radius:99px;padding:8px 18px;font-size:15px;color:var(--muted)}.student-tabs button[aria-pressed=true]{background:var(--surface);color:var(--text);font-weight:650;box-shadow:0 1px 2px #00000014}.progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:8px}.progress-head b{font-size:21px;font-weight:650;letter-spacing:-.015em;font-variant-numeric:tabular-nums}.progress-head span{display:block;font-size:13px;color:var(--muted)}.progress-percent{font-size:26px;font-weight:700;letter-spacing:-.02em;color:var(--accent);font-variant-numeric:tabular-nums}.bar{display:flex;height:6px;border-radius:99px;overflow:hidden;background:var(--surface-2)}.bar.big{height:10px;margin-bottom:20px}.bar-done{background:var(--accent)}.bar-progress{background:var(--accent-line);animation:breathe 2.4s ease-in-out infinite}@keyframes breathe{0%,to{opacity:1}50%{opacity:.4}}.progress-sections{display:grid;gap:8px}.progress-section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.progress-section.open{border-color:var(--accent-line)}.progress-section-head{display:grid;grid-template-columns:1fr 100px 16px;gap:14px;align-items:center;width:100%;padding:14px 16px;border:0;background:transparent;text-align:left}.progress-section-title b{display:block;font-size:15px;font-weight:650;letter-spacing:-.003em}.progress-section-title span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.chevron{width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .15s;justify-self:end}.progress-section.open .chevron{transform:rotate(-135deg)}.progress-topics{padding:0 16px 14px}.progress-group+.progress-group{margin-top:14px}.progress-group-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:8px 0 6px;font-size:13px;font-weight:600;letter-spacing:.004em;color:var(--muted);border-top:1px solid var(--line)}.progress-group ul{list-style:none;margin:0;padding:0;display:grid;gap:1px}.topic-row{display:flex;align-items:flex-start;gap:9px;width:100%;padding:6px 8px;border:0;border-radius:8px;background:transparent;text-align:left;font-size:14px;line-height:1.35;color:var(--muted)}button.topic-row{transition:background .12s,transform .11s cubic-bezier(.2,.9,.3,1)}button.topic-row:hover:not(:disabled){background:var(--surface-2)}button.topic-row:active:not(:disabled){transform:scale(.995)}.topic.in_progress .topic-row{color:var(--text);font-weight:550;background:var(--accent-soft)}.topic.done .topic-row{color:var(--text)}.topic-mark{flex:none;width:18px;height:18px;margin-top:1px;border-radius:50%;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:11px;line-height:1}.topic-mark.in_progress{border-color:var(--accent);background:var(--accent-soft);position:relative}.topic-mark.in_progress:after{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);animation:breathe 1.6s ease-in-out infinite}.topic-mark.done{border-color:var(--accent);background:var(--accent);color:#fff;font-weight:700}@media(prefers-color-scheme:dark){.topic-mark.done{color:#14141b}}.topic-state{flex:none;margin-left:auto;padding-left:12px;font-size:12px;white-space:nowrap;color:var(--muted)}.topic-state.in_progress{color:var(--accent);font-weight:650}.topic-state.done{color:var(--ok)}.topic-state.new{opacity:.65}@media(max-width:560px){.topic-row{flex-wrap:wrap}.topic-state{margin-left:27px;padding-left:0;flex-basis:100%}.topic-title{flex:1 1 auto}}.topic-code{flex:none;min-width:42px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:1px}.topic-title{min-width:0}@media(max-width:560px){.progress-section-head{grid-template-columns:1fr 16px;gap:10px}.progress-section-head .bar{grid-column:1 / -1}}.topic-picker{display:flex;flex-wrap:wrap;gap:6px;padding:6px 8px 10px 35px}.topic-choice{display:inline-flex;align-items:center;gap:7px;padding:7px 12px 7px 8px;border:1px solid var(--line);border-radius:99px;background:var(--surface);font-size:13px;color:var(--muted);transition:border-color .12s,background .12s,transform .11s cubic-bezier(.2,.9,.3,1)}.topic-choice:active:not(:disabled){transform:scale(.97)}.topic-choice[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent);font-weight:600}.topic-choice .topic-mark{width:16px;height:16px;margin:0;font-size:10px}@media(max-width:560px){.topic-picker{padding-left:27px}.topic-choice{flex:1 1 100%;justify-content:flex-start;padding:10px 14px 10px 10px;font-size:14px}}.balance{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;margin-bottom:12px}.balance.debt{background:var(--t-alarm-bg);border-color:var(--t-alarm-fg)}.balance.paid{background:var(--t-paid-bg);border-color:var(--t-paid-fg)}.balance.paid .balance-label,.balance.paid .balance-sum{color:var(--t-paid-fg)}.balance-thanks{display:block;margin-top:6px;font-size:13px;line-height:1.45;letter-spacing:.004em;color:var(--t-paid-fg)}.balance-head{display:flex;gap:12px;align-items:baseline;justify-content:space-between}.balance-label{font-size:13px;letter-spacing:.075em;text-transform:uppercase;font-weight:600;color:var(--muted)}.balance.debt .balance-label{color:var(--t-alarm-fg)}.balance-sum{font-size:21px;font-weight:650;letter-spacing:-.02em;font-variant-numeric:tabular-nums;white-space:nowrap}.balance.debt .balance-sum{color:var(--t-alarm-fg)}.balance-toggle{margin-top:6px;padding:0;border:0;background:none;color:var(--muted);font:inherit;font-size:13px;letter-spacing:.004em;text-decoration:underline;text-underline-offset:3px;transition:transform .11s,color .11s}.balance-toggle:hover{color:var(--text)}.balance-toggle:active{transform:scale(.975)}.ledger{list-style:none;margin:10px 0 0;padding:10px 0 0;border-top:1px solid var(--line);display:grid;gap:2px}.ledger li{display:grid;grid-template-columns:auto 1fr auto auto;gap:4px 12px;align-items:baseline;padding:5px 0;font-size:13px;letter-spacing:.004em}.ledger-date{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}.ledger-what{min-width:0}.ledger-what small{display:block;color:var(--muted);font-size:12px}.ledger-sum{font-variant-numeric:tabular-nums;font-weight:550;white-space:nowrap}.ledger li.out .ledger-sum{color:var(--muted)}.ledger li .btn{padding:2px 8px;font-size:12px}@media(max-width:560px){.ledger li{grid-template-columns:1fr auto}.ledger-date{grid-column:1 / -1;order:-1;font-size:12px}}.field-hint{display:block;margin-top:4px;font-size:12px;letter-spacing:.004em;color:var(--muted)}.field-hint.error{color:var(--t-alarm-fg)}.materials-group{margin-bottom:18px}.material-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}.material{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:11px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);font:inherit;color:inherit;transition:background .12s,border-color .12s,transform .11s}.material:hover{border-color:var(--accent-line)}.material:active{transform:scale(.985)}.material:disabled{opacity:.6}.material-icon{flex:none;color:var(--accent)}.material-text{display:grid;gap:1px;min-width:0}.material-text b{font-weight:550;font-size:15px;letter-spacing:-.003em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.material-text small{font-size:12px;letter-spacing:.004em;color:var(--muted)}