:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f7fb;--surface:#fff;--surface-2:#eef0f6;--border:#dfe3ec;--text:#171923;--text-2:#5b6170;--text-3:#8b91a0;--accent:#4f46e5;--accent-text:#fff;--accent-soft:#e5e4fb;--ok:#15803d;--ok-soft:#dcfce7;--warn:#b45309;--warn-soft:#fef3c7;--bad:#b91c1c;--bad-soft:#fee2e2;--shadow:0 1px 2px #1018280f, 0 1px 3px #1018281a;--radius:14px;--radius-sm:9px;--nav-h:64px;--font:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, monospace}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0f1117;--surface:#181b24;--surface-2:#222634;--border:#2c3142;--text:#eef0f6;--text-2:#aab0c0;--text-3:#747b8d;--accent:#818cf8;--accent-text:#0f1117;--accent-soft:#262a4a;--ok:#4ade80;--ok-soft:#14321f;--warn:#fbbf24;--warn-soft:#3a2b0c;--bad:#f87171;--bad-soft:#3d1414;--shadow:none}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0f1117;--surface:#181b24;--surface-2:#222634;--border:#2c3142;--text:#eef0f6;--text-2:#aab0c0;--text-3:#747b8d;--accent:#818cf8;--accent-text:#0f1117;--accent-soft:#262a4a;--ok:#4ade80;--ok-soft:#14321f;--warn:#fbbf24;--warn-soft:#3a2b0c;--bad:#f87171;--bad-soft:#3d1414;--shadow:none}*,:before,:after{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none;font-size:16px;line-height:1.45}#root{min-height:100%}h1,h2,h3,h4{margin:0;font-weight:650;line-height:1.2}h1{font-size:1.5rem}h2{font-size:1.15rem}h3{font-size:1rem}p{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0;padding:0}ul{margin:0;padding:0;list-style:none}.muted{color:var(--text-2)}.small{font-size:.85rem}.tiny{font-size:.75rem}.mono{font-family:var(--mono)}.app{flex-direction:column;max-width:480px;min-height:100dvh;margin:0 auto;display:flex}.topbar{z-index:10;padding:calc(12px + env(safe-area-inset-top)) 16px 12px;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);justify-content:space-between;align-items:center;gap:12px;display:flex;position:sticky;top:0}.topbar h1{font-size:1.25rem}.topbar .actions{gap:6px;display:flex}.icon-btn{width:40px;height:40px;color:var(--text-2);border-radius:50%;place-items:center;display:grid}.icon-btn:active{background:var(--surface-2)}.icon-btn svg{width:22px;height:22px}main.content{padding:4px 16px calc(var(--nav-h) + 24px + env(safe-area-inset-bottom));flex-direction:column;flex:1;gap:14px;display:flex}.bottom-nav{width:100%;max-width:480px;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--border);z-index:10;grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-nav a{color:var(--text-3);flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:.68rem;font-weight:500;display:flex}.bottom-nav a svg{width:24px;height:24px}.bottom-nav a.active{color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px}.card.pad-0{padding:0}.card-title{justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.row{align-items:center;gap:10px;display:flex}.row.between{justify-content:space-between}.stack{flex-direction:column;gap:8px;display:flex}.grid-2{grid-template-columns:1fr 1fr;gap:10px;display:grid}.btn{background:var(--surface-2);min-height:44px;color:var(--text);border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:0 18px;font-weight:600;display:inline-flex}.btn.primary{background:var(--accent);color:var(--accent-text)}.btn.ghost{border-color:var(--border);background:0 0}.btn.block{width:100%}.btn.sm{min-height:34px;padding:0 12px;font-size:.85rem}.btn:disabled{opacity:.5;cursor:default}.chip{background:var(--surface-2);color:var(--text-2);white-space:nowrap;border-radius:999px;align-items:center;gap:4px;padding:2px 9px;font-size:.72rem;font-weight:600;display:inline-flex}.chip.accent{background:var(--accent-soft);color:var(--accent)}.chip.ok{background:var(--ok-soft);color:var(--ok)}.chip.warn{background:var(--warn-soft);color:var(--warn)}.chip.bad{background:var(--bad-soft);color:var(--bad)}.progress{background:var(--surface-2);border-radius:999px;height:6px;overflow:hidden}.progress>span{background:var(--accent);border-radius:inherit;height:100%;transition:width .3s;display:block}.list>*+*{border-top:1px solid var(--border)}.list-item{text-align:left;align-items:center;gap:12px;width:100%;padding:12px 16px;display:flex}.list-item:active{background:var(--surface-2)}.list-item .grow{flex:1;min-width:0}.chev{color:var(--text-3);flex:none}.empty{text-align:center;color:var(--text-2);padding:32px 16px}.field{flex-direction:column;gap:6px;display:flex}.field label{color:var(--text-2);font-size:.8rem;font-weight:600}.input,select.input,textarea.input{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);width:100%;min-height:44px;color:var(--text);padding:10px 12px}.switch{background:var(--border);border-radius:999px;flex:none;width:46px;height:28px;transition:background .2s;position:relative}.switch:after{content:"";background:#fff;border-radius:50%;width:22px;height:22px;transition:transform .2s;position:absolute;top:3px;left:3px}.switch[aria-checked=true]{background:var(--accent)}.switch[aria-checked=true]:after{transform:translate(18px)}.big-num{letter-spacing:-.02em;font-size:2.6rem;font-weight:700;line-height:1}.page-head{align-items:center;gap:8px;padding:8px 0 0;display:flex}.page-head .back{margin-left:-8px}.sheet-backdrop{z-index:50;background:#00000073;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{background:var(--surface);width:100%;max-width:480px;max-height:90dvh;padding:16px 16px calc(20px + env(safe-area-inset-bottom));border-radius:20px 20px 0 0;flex-direction:column;gap:12px;display:flex;overflow:auto}.ring{flex:none;position:relative}.ring-label{flex-direction:column;justify-content:center;align-items:center;font-size:.8rem;line-height:1.1;display:flex;position:absolute;inset:0}.task{align-items:center;gap:12px;padding:10px 0;display:flex}.task+.task{border-top:1px solid var(--border)}.checkbox{border:2px solid var(--border);color:#0000;border-radius:50%;flex:none;place-items:center;width:26px;height:26px;display:grid}.checkbox[aria-checked=true]{background:var(--ok);border-color:var(--ok);color:#fff}.checkbox svg{width:16px;height:16px}.task.done .task-title{color:var(--text-3);text-decoration:line-through}.timeline{flex-direction:column;display:flex}.tl-item{gap:12px;padding:0 0 16px;display:flex;position:relative}.tl-item:last-child{padding-bottom:0}.tl-dot{background:var(--accent);border:3px solid var(--surface);width:14px;height:14px;box-shadow:0 0 0 2px var(--accent);z-index:1;border-radius:50%;flex:none;margin-top:4px}.tl-item.future .tl-dot{background:var(--surface-2);box-shadow:0 0 0 2px var(--border)}.tl-item.skipped .tl-dot{background:var(--surface);box-shadow:0 0 0 2px var(--text-3)}.tl-item:before{content:"";background:var(--border);width:2px;position:absolute;top:18px;bottom:-4px;left:6px}.tl-item:last-child:before{display:none}.tl-body{flex:1;min-width:0}.tl-item.skipped .tl-body,.tl-item.future .tl-body{color:var(--text-2)}.day-group{flex-direction:column;display:flex}.day-head{color:var(--text-3);text-transform:uppercase;letter-spacing:.04em;padding:8px 0 4px;font-size:.75rem;font-weight:700}.sched{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);text-align:left;align-items:center;gap:10px;width:100%;padding:10px 12px;display:flex}.sched.today{border-color:var(--accent)}.sched .date{text-align:center;flex:none;width:44px;line-height:1.1}.sched .date strong{font-size:1.05rem;display:block}.sched.done .title{color:var(--text-3);text-decoration:line-through}.kind-dot{border-radius:50%;flex:none;width:8px;height:8px}.kind-study{background:var(--accent)}.kind-review{background:var(--warn)}.kind-mock{background:var(--bad)}.kind-exam{background:var(--ok)}.kind-rest{background:var(--text-3)}.domain-row{text-align:left;flex-direction:column;gap:6px;width:100%;padding:12px 16px;display:flex}.domain-row:active{background:var(--surface-2)}.domain-row .meta{color:var(--text-2);justify-content:space-between;font-size:.78rem;display:flex}.chev{width:20px;height:20px}.stem{white-space:pre-wrap;font-size:1.02rem;line-height:1.5}.option{text-align:left;border-radius:var(--radius-sm);background:var(--surface);border:1.5px solid var(--border);align-items:flex-start;gap:10px;width:100%;padding:12px 14px;line-height:1.4;display:flex}.option.selected{border-color:var(--accent);background:var(--accent-soft)}.opt-id{background:var(--surface-2);width:24px;height:24px;color:var(--text-2);border-radius:50%;flex:none;place-items:center;font-size:.75rem;font-weight:700;display:grid}.option.selected .opt-id{background:var(--accent);color:var(--accent-text)}.review.ok{border-left:4px solid var(--ok)}.review.bad{border-left:4px solid var(--bad)}.explanation{background:var(--surface-2);border-radius:var(--radius-sm);white-space:pre-wrap;padding:10px 12px}.segmented{background:var(--surface-2);border-radius:999px;padding:3px;display:flex}.segmented button{min-height:36px;color:var(--text-2);border-radius:999px;flex:1;font-weight:600}.segmented button.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.md h3{margin:14px 0 6px;font-size:.95rem}.md h3:first-child{margin-top:0}.md p{margin:0 0 10px}.md ul,.md ol{margin:0 0 10px;padding-left:20px;list-style:outside}.md ol{list-style:decimal}.md li{margin:3px 0}.md table{border-collapse:collapse;width:100%;margin:6px 0 10px;font-size:.85rem}.md th,.md td,.cmp th,.cmp td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:6px 8px}.md th,.cmp thead th{background:var(--surface-2)}.table-wrap{overflow-x:auto}.cmp{border-collapse:collapse;width:100%;font-size:.85rem}.cmp tbody th{white-space:nowrap;font-weight:600}.flashcard{border-radius:var(--radius);background:var(--accent-soft);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:10px;width:100%;min-height:170px;padding:18px;display:flex}.flashcard.flipped{background:var(--surface-2)}.fc-text{font-size:1.05rem;line-height:1.4}.heat{grid-template-columns:repeat(14,1fr);gap:4px;display:grid}.heat-cell{aspect-ratio:1;background:var(--surface-2);border-radius:4px}.heat-cell.l1{background:color-mix(in srgb, var(--accent) 35%, var(--surface-2))}.heat-cell.l2{background:color-mix(in srgb, var(--accent) 65%, var(--surface-2))}.heat-cell.l3{background:var(--accent)}.heat-cell.today{outline:2px solid var(--text-3);outline-offset:1px}.bars{align-items:flex-end;gap:6px;height:120px;display:flex}.bar{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;gap:2px;height:100%;display:flex}.bar span{border-radius:4px 4px 0 0;width:100%;min-height:2px}.bar em{color:var(--text-3);font-size:.62rem;font-style:normal}.bad-text{color:var(--bad)}.err-list{color:var(--bad);margin-top:4px;padding-left:18px;list-style:outside}