@import"https://fonts.googleapis.com/css2?family=Unbounded:wght@400;500;600;700;800;900&family=Golos+Text:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap";.app-shell{min-height:100%;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;background:var(--chrome-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--chrome-border);color:var(--chrome-fg);transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease)}.topbar__inner{max-width:var(--max-w);margin:0 auto;height:var(--nav-h);padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:10px}.brand{display:flex;align-items:center;gap:9px;cursor:pointer;font-weight:800;border:none;background:transparent;padding:0;min-height:0;color:inherit}.brand__logo{width:30px;height:30px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;color:var(--mark-adaptive)}.brand__logo svg{width:100%;height:100%}.brand__name{font-size:1.12rem;font-family:var(--font-hero);font-weight:800;color:var(--text);letter-spacing:-.01em}.brand__name em{font-style:normal;color:var(--mark-adaptive)}.topbar__actions{display:flex;align-items:center;gap:6px}.topbar .btn--ghost{color:var(--chrome-fg);border-color:var(--chrome-border)}.topbar .btn--ghost:hover{background:color-mix(in srgb,var(--chrome-fg) 8%,transparent);border-color:var(--chrome-fg-muted);color:var(--chrome-fg)}@media (max-width: 480px){.topbar__inner{padding:0 10px;gap:6px}.topbar__actions{gap:4px}}.theme-toggle{display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:0 10px 0 4px;border-radius:var(--radius-pill);border:1.5px solid var(--chrome-border);background:transparent;color:var(--chrome-fg);font-size:.76rem;font-weight:600}.theme-toggle:hover{background:color-mix(in srgb,var(--chrome-fg) 8%,transparent)}.theme-toggle__dot{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--surface-2);color:var(--chrome-fg-muted);transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease-out)}.theme-toggle[aria-pressed=true] .theme-toggle__dot{background:var(--signal);color:var(--signal-ink);transform:rotate(180deg)}.content{flex:1;width:100%}.content__inner{max-width:var(--max-w);margin:0 auto;padding:20px 16px calc(var(--nav-h) + 92px)}.bottomnav{position:fixed;bottom:0;left:0;right:0;z-index:20;background:var(--chrome-bg-strong);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--chrome-border);display:flex;justify-content:center;gap:4px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease)}.bottomnav__item{position:relative;flex:1;min-width:0;max-width:120px;min-height:52px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:6px 4px;border-radius:var(--radius-sm);color:var(--chrome-fg-muted);font-size:.68rem;font-weight:600;text-decoration:none;transition:color var(--dur) var(--ease),background var(--dur) var(--ease)}.bottomnav__label{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bottomnav__item:hover{text-decoration:none;color:var(--primary)}.bottomnav__item:active .bottomnav__icon{transform:scale(.88)}.bottomnav__icon{display:flex;align-items:center;justify-content:center;line-height:1;transition:transform var(--dur-slow) var(--ease-out)}.bottomnav__item.is-active{color:var(--primary);background:var(--blue-50)}.bottomnav__item.is-active .bottomnav__icon{transform:translateY(-1px) scale(1.08)}.bottomnav__item:after{content:"";position:absolute;bottom:2px;width:4px;height:4px;border-radius:50%;background:var(--signal);opacity:0;transform:scale(.4);transition:opacity var(--dur) var(--ease),transform var(--dur-slow) var(--ease-out)}.bottomnav__item.is-active:after{opacity:1;transform:scale(1)}.page-head{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:20px}.page-head h1{margin-bottom:2px}.page-head .sub{color:var(--text-soft);font-size:.92rem}.hero{background:var(--surface);color:var(--text);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);margin-bottom:20px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--signal)}.hero h1{color:var(--text);margin-bottom:6px;position:relative;font-family:var(--font-hero)}.hero p{color:var(--text-soft);margin:0;font-size:.95rem;position:relative}.hero__deco{position:absolute;top:-14px;right:-12px;opacity:.14;color:var(--plum);animation:heroFloat 7s var(--ease) infinite}@keyframes heroFloat{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-8px) rotate(-4deg)}}.list>*,.tile-grid>*,.stats>*{animation:fadeIn var(--dur-slow) var(--ease-out) 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18px;box-shadow:var(--shadow-sm);transition:transform var(--dur) var(--ease-out),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);cursor:pointer;text-decoration:none;color:inherit;display:block}.list-item:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--blue-100)}.list-item.is-selected{border-color:var(--primary);background:var(--blue-50);box-shadow:var(--shadow-focus)}.list-item__title{font-weight:700;font-size:1.02rem;margin-bottom:4px}.list-item__meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:8px}.list-item__sub{color:var(--text-soft);font-size:.88rem}.list-item:hover .list-item__arrow{transform:translate(2px);color:var(--primary)}.task-row{display:flex;gap:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-sm)}.task-row__number{flex:0 0 auto;width:40px;height:40px;border:2px solid var(--blue-100);background:var(--blue-50);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-weight:800;font-family:var(--font-mono);font-size:1.02rem;color:var(--primary)}.task-row__body{flex:1;min-width:0}.task-row__meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:10px}.task-row__answer{margin-top:10px;padding:10px 12px;background:var(--surface-2);border-radius:var(--radius-sm);font-weight:600;font-family:var(--font-mono)}.matrix-preview{border-collapse:collapse;margin-top:4px}.matrix-preview td{border:1px solid var(--border);padding:4px 8px;text-align:center;min-width:32px}.matrix-result tr.is-correct td{background:var(--ok-bg)}.matrix-result tr.is-wrong td{background:var(--err-bg)}.progress-grid{border-collapse:collapse;white-space:nowrap}.progress-grid th,.progress-grid td{border:1px solid var(--border);padding:0;text-align:center}.progress-grid thead th{padding:6px 10px;font-size:.78rem;font-weight:600;background:var(--surface-2)}.progress-grid thead th a{color:inherit;text-decoration:none}.progress-grid__corner{position:sticky;left:0;background:var(--surface-2);z-index:1}.progress-grid tbody th,.progress-grid tfoot th{position:sticky;left:0;background:var(--surface);z-index:1;padding:0 10px;font-size:.78rem;white-space:nowrap;text-align:left}.progress-grid tfoot td,.progress-grid tfoot th{border-top:2px solid var(--border)}.progress-grid tbody th{width:40px;height:32px;font-weight:700;font-size:.85rem;color:var(--text-soft)}.progress-grid__cell{min-width:52px;height:32px;font-size:.8rem;font-weight:600;padding:0}.progress-grid__cell.is-empty{color:var(--text-soft);font-weight:400;cursor:default}.progress-grid__cell.is-gray{background:var(--surface-2);color:var(--text-soft)}.progress-grid__cell.is-ok{background:var(--ok-bg);color:var(--ok-text)}.progress-grid__cell.is-partial{background:var(--warn-bg);color:var(--warn-text)}.progress-grid__cell.is-bad{background:var(--err-bg);color:var(--err-text)}.progress-grid__cell-btn{all:unset;box-sizing:border-box;display:flex;align-items:center;justify-content:center;width:100%;height:100%;cursor:pointer;touch-action:manipulation;font:inherit;color:inherit}.progress-grid__cell-btn:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}.link-btn{display:inline-flex;align-items:center;gap:4px;background:none;border:none;color:var(--primary);font-weight:600;font-size:.88rem;cursor:pointer;padding:0;margin-top:8px;min-height:0}.link-btn:hover{text-decoration:underline}.grid-2{display:grid;grid-template-columns:1fr;gap:14px}@media (min-width: 640px){.grid-2{grid-template-columns:1fr 1fr}}.segment{display:inline-flex;background:var(--surface-2);border-radius:var(--radius-pill);padding:4px;gap:4px;margin-bottom:16px;max-width:100%;overflow-x:auto}.segment button{border:none;background:transparent;color:var(--text-soft);min-height:34px;padding:7px 16px;border-radius:var(--radius-pill);font-weight:600;font-size:.88rem;white-space:nowrap}.segment button.is-active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm)}.segment--sm{margin-bottom:0;padding:2px}.segment--sm button{min-height:28px;padding:5px 11px;font-size:.78rem}.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:8px}@media (min-width: 560px){.stats{grid-template-columns:repeat(4,1fr)}}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm);transition:transform var(--dur) var(--ease-out),box-shadow var(--dur) var(--ease)}a.stat:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.stat__num{font-family:var(--font-heading);font-size:1.55rem;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.01em}.stat__label{color:var(--text-soft);font-size:.8rem;margin-top:2px}.quiz-option{width:100%;min-height:44px;text-align:left;padding:13px 15px;border:2px solid var(--border);background:var(--surface);border-radius:var(--radius-sm);font-weight:500;color:var(--text);transition:border var(--dur) var(--ease),background var(--dur) var(--ease),transform var(--dur-fast) var(--ease)}.quiz-option:hover{border-color:var(--blue-100);background:var(--blue-50)}.quiz-option.is-selected{border-color:var(--primary);background:var(--blue-50);box-shadow:var(--shadow-focus)}.quiz-option.is-correct{border-color:var(--ok);background:var(--ok-bg)}.quiz-option.is-wrong{border-color:var(--err);background:var(--err-bg)}.variant-exam__topbar{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;background:var(--chrome-bg-strong);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius);padding:10px 16px;margin-bottom:14px}.variant-exam__timer{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-family:var(--font-mono);font-size:1.1rem;font-variant-numeric:tabular-nums}.variant-exam__timer.is-low{color:var(--err)}.variant-exam__body{display:flex;gap:16px;align-items:flex-start}.variant-exam__sidebar{display:grid;grid-template-columns:1fr;gap:6px;flex:0 0 auto;width:64px;max-height:calc(100vh - 100px);overflow-y:auto;position:sticky;top:76px}.variant-exam__sidebar-toggle.btn{display:none}@media (max-width: 640px){.variant-exam__body{flex-direction:column}.variant-exam__sidebar{width:100%;grid-template-columns:repeat(7,1fr);position:static;max-height:none;overflow:visible}.variant-exam__sidebar.is-collapsed{display:none}.variant-exam__sidebar-toggle.btn{display:inline-flex}}.variant-exam__navbtn{border:1.5px solid var(--border);background:var(--surface);border-radius:var(--radius-sm);min-height:38px;padding:8px 0;font-weight:700;font-family:var(--font-mono);cursor:pointer}.variant-exam__navbtn.is-answered{border-color:var(--primary);color:var(--primary);background:var(--blue-50)}.variant-exam__navbtn.is-active{background:var(--primary);color:#fff;border-color:transparent;box-shadow:var(--shadow-sm)}.variant-exam__main{flex:1;min-width:0}.variant-exam__nav-arrows{display:flex;justify-content:space-between;gap:8px;margin-top:14px}.week-grid{display:grid;grid-template-columns:repeat(7,minmax(150px,1fr));gap:10px;overflow-x:auto;padding-bottom:6px}.week-grid__day{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px;min-height:200px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow-sm)}.week-grid__day.is-today{border-color:var(--primary);box-shadow:var(--shadow-focus)}.week-grid__day-head{display:flex;flex-direction:column;gap:1px;font-weight:700;padding-bottom:8px;border-bottom:1px solid var(--border)}.week-grid__day-head span:first-child{font-size:.9rem}.week-grid__day.is-today .week-grid__day-head span:first-child{color:var(--primary)}.week-grid__day-body{display:flex;flex-direction:column;gap:6px;flex:1}@media (max-width: 900px){.week-grid{grid-template-columns:repeat(7,minmax(130px,1fr))}}.lesson-chip{display:block;width:100%;text-align:left;border-radius:var(--radius-sm);padding:8px 10px;border:1px solid transparent;background:var(--blue-50);font-size:.8rem;line-height:1.3;transition:transform var(--dur-fast) var(--ease),box-shadow var(--dur) var(--ease)}.lesson-chip:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.lesson-chip.is-planned{background:var(--blue-50);border-color:var(--blue-100)}.lesson-chip.is-paid{background:var(--ok-bg);border-color:var(--ok)}.lesson-chip.is-unpaid{background:var(--err-bg);border-color:var(--err)}.lesson-chip__time{font-weight:700;font-family:var(--font-mono);font-variant-numeric:tabular-nums}.lesson-chip__who{margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sched-top{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:14px;margin-bottom:16px}.sched-top>*{min-width:0}@media (max-width: 900px){.sched-top{grid-template-columns:minmax(0,1fr)}}.sched-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-content:start;min-width:0}.sched-stats>:nth-child(3){grid-column:1 / -1}@media (max-width: 560px){.sched-stats{grid-template-columns:minmax(0,1fr)}}.stat--sm{padding:12px 14px}.stat--sm .stat__num{line-height:1.15;white-space:nowrap}.sched-stats__triple{display:flex;align-items:baseline;gap:8px}.sched-stats__sep{color:var(--text-muted);font-weight:400}.sched-stats__unpaid{color:var(--danger, #e5484d)}.mini-cal{min-width:0;max-width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow-sm)}.mini-cal__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-size:.9rem}.mini-cal__grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:2px}.mini-cal__weekday{text-align:center;font-size:.72rem;color:var(--text-muted);padding-bottom:4px}.mini-cal__day{position:relative;aspect-ratio:1;border:none;background:transparent;border-radius:var(--radius-sm);font-size:.82rem;color:var(--text);cursor:pointer;transition:background var(--dur-fast) var(--ease)}.mini-cal__day:hover{background:var(--surface-2)}.mini-cal__day.is-muted{color:var(--text-muted);opacity:.5}.mini-cal__day.is-current-week{background:var(--blue-50)}.mini-cal__day.is-today{font-weight:800;color:var(--primary)}.mini-cal__day.is-today.is-current-week{box-shadow:inset 0 0 0 1.5px var(--primary)}.mini-cal__dot{position:absolute;bottom:3px;left:50%;transform:translate(-50%);width:4px;height:4px;border-radius:50%;background:var(--primary)}.sched-week-divider{text-align:center;color:var(--text-muted);font-size:.85rem;font-weight:700;margin:18px 0 8px;padding-top:8px;border-top:1px dashed var(--border)}.hour-grid{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow-x:auto}.hour-grid__head,.hour-grid__body{display:grid;grid-template-columns:50px repeat(7,minmax(120px,1fr))}.hour-grid__head{border-bottom:1px solid 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0 auto;margin-top:1px}.empty-state{text-align:center;padding:52px 20px;color:var(--text-muted)}.empty-state .ico{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:var(--surface-2);color:var(--text-muted);margin:0 auto 12px}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.fade-in{animation:fadeIn var(--dur-slow) var(--ease-out) backwards}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:spin .9s linear infinite}@keyframes logoDraw{to{stroke-dashoffset:0}}@keyframes logoNode{to{opacity:1;transform:scale(1)}}.logo-mark__path{stroke-dasharray:240;stroke-dashoffset:240;animation:logoDraw .7s var(--ease-out) .05s both}.logo-mark__node{opacity:0;transform:scale(.3);transform-origin:center;transform-box:fill-box;animation:logoNode .35s var(--ease-out) .65s both}