:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f6f6fb;--surface:#fff;--text:#16161d;--muted:#6b6b7b;--border:#e4e4ee;--accent:#4f46e5;--accent-soft:#eef0ff;--on-accent:#fff;--danger:#d92d20;--warning-bg:#fff4d6;--warning-text:#7a5300;--radius:14px;--tabbar-h:58px;-webkit-text-size-adjust:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.4}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0f0f14;--surface:#1b1b23;--text:#f2f2f7;--muted:#9a9aab;--border:#2c2c38;--accent:#8b85ff;--accent-soft:#24234a;--on-accent:#0f0f14;--danger:#ff6b5e;--warning-bg:#3a2f10;--warning-text:#ffd987}}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0}body{-webkit-tap-highlight-color:transparent;min-height:100dvh}h1{margin:0;font-size:1.6rem}.muted{color:var(--muted)}.error{color:var(--danger)}.btn{font:inherit;cursor:pointer;background:var(--surface);color:var(--text);border:0;border-radius:12px;padding:12px 16px}.btn:disabled{opacity:.5;cursor:default}.btn.primary{background:var(--accent);color:var(--on-accent);font-weight:600}.btn.link{color:var(--accent);background:0 0;padding:8px 0}.field{color:var(--muted);gap:6px;font-size:.9rem;display:grid}input,select,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:12px;width:100%;padding:12px;font-size:16px}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}.stack{gap:14px;display:grid}.row{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}.login{max-width:400px;padding:calc(env(safe-area-inset-top) + 48px) 20px calc(env(safe-area-inset-bottom) + 24px);text-align:center;margin:0 auto}.login form{text-align:left;margin-top:28px}.login-logo{border-radius:18px}.code-input{letter-spacing:.4em;text-align:center;font-size:1.6rem}.splash{text-align:center;place-content:center;gap:16px;min-height:100dvh;padding:20px;display:grid}.app{min-height:100dvh;padding-bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom))}.offline{z-index:2;padding:calc(env(safe-area-inset-top) + 8px) 16px 8px;background:var(--warning-bg);color:var(--warning-text);text-align:center;font-size:.85rem;position:sticky;top:0}.topbar{padding:calc(env(safe-area-inset-top) + 16px) max(16px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left))}.offline+.topbar{padding-top:16px}.content{padding:8px max(16px, env(safe-area-inset-right)) 24px max(16px, env(safe-area-inset-left));max-width:720px;margin:0 auto}.tabbar{z-index:3;height:calc(var(--tabbar-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--border);grid-template-columns:repeat(4,1fr);display:grid;position:fixed;inset:auto 0 0}.tab{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;align-content:center;justify-items:center;gap:2px;font-size:.7rem;display:grid}.tab.active{color:var(--accent)}.toast{left:50%;bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 12px);z-index:4;background:var(--text);max-width:calc(100% - 32px);color:var(--bg);border-radius:12px;padding:10px 16px;font-size:.9rem;position:fixed;transform:translate(-50%)}.small{font-size:.85rem}.empty{color:var(--muted);text-align:center;padding:32px 16px}.badge{background:var(--accent-soft);color:var(--accent);vertical-align:1px;border-radius:999px;margin-left:6px;padding:1px 8px;font-size:.75rem;display:inline-block}.btn.icon{border-radius:50%;width:40px;height:40px;padding:0;font-size:1.4rem;line-height:1}.btn.danger{color:var(--danger);background:0 0}.grid-2{grid-template-columns:1fr 1fr;gap:12px;display:grid}.segmented{background:var(--border);border-radius:12px;gap:3px;padding:3px;display:flex}.segmented button{font:inherit;color:var(--text);cursor:pointer;background:0 0;border:0;border-radius:9px;flex:1;padding:8px 10px;font-size:.9rem}.segmented button.active{background:var(--surface);font-weight:600}.segmented button:disabled{opacity:.4}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;display:flex}.lessons{gap:8px;margin:0;padding:0;list-style:none;display:grid}.lesson{font:inherit;color:inherit;text-align:left;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer;grid-template-columns:96px 1fr;align-items:baseline;gap:8px;width:100%;padding:14px;display:grid}.lesson:disabled{cursor:default;opacity:1}.lesson-time{color:var(--muted);font-variant-numeric:tabular-nums}.lesson-name{font-weight:600}.lesson.current{border-color:var(--accent);box-shadow:inset 4px 0 0 var(--accent)}.lesson.cancelled .lesson-time,.lesson.cancelled .lesson-name{color:var(--muted);text-decoration:line-through}.lesson-homework{color:var(--muted);margin:6px 0 4px 104px;padding:0 0 0 16px;font-size:.9rem}.lesson-homework .done{text-decoration:line-through}.day-nav{align-items:center;gap:8px;margin-bottom:8px;display:flex}.day-title{font:inherit;color:var(--text);cursor:pointer;background:0 0;border:0;flex:1;font-weight:600}.day-title:disabled{cursor:default}.status{background:var(--accent-soft);color:var(--accent);border-radius:12px;margin:0 0 12px;padding:10px 14px;font-size:.9rem}.day{margin-top:16px}.day-head{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.day-head h2{margin:0;font-size:1.05rem}.overlay{z-index:10;background:#0006;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{width:100%;max-width:560px;max-height:90dvh;padding:16px 16px calc(env(safe-area-inset-bottom) + 20px);background:var(--bg);border-radius:20px 20px 0 0;overflow-y:auto}.sheet-head{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.sheet-head h2{margin:0;font-size:1.2rem}.group-title{margin:0 0 6px;font-size:1.05rem}.tasks{gap:8px;margin:0;padding:0;list-style:none;display:grid}.task{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);align-items:flex-start;gap:12px;padding:12px 14px;display:flex}.check{border:2px solid var(--muted);cursor:pointer;background:0 0;border-radius:50%;flex:none;width:26px;height:26px;margin-top:2px}.task.done .check{border-color:var(--accent);background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 18px no-repeat}.task-body{font:inherit;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;flex:1;gap:2px;min-width:0;padding:0;display:grid}.task-body:disabled{cursor:default}.task-text{white-space:pre-wrap;overflow-wrap:anywhere}.task.done .task-text,.task.done .lesson-name{color:var(--muted);text-decoration:line-through}textarea{resize:vertical}.stack-lg{gap:16px;display:grid}.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:16px}.card h2{margin:0 0 4px;font-size:1.05rem}.card .btn:not(.primary):not(.link):not(.danger){background:var(--accent-soft);color:var(--accent)}.switch-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.switch-row input[type=checkbox]{width:22px;height:22px;accent-color:var(--accent);margin:0}.input-short{width:92px;padding:8px}.subjects{margin:0;padding:0;list-style:none}.subject-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;padding:6px 0;display:flex}.subject-row .btn.link{margin-left:12px}.danger-text{color:var(--danger)!important}.subject-edit{gap:8px;padding:6px 0;display:flex}.hint{background:var(--accent-soft);border-radius:12px;padding:12px 14px}.hint p{margin:0 0 6px}.hint ol{margin:0;padding-left:20px}.inline-icon{vertical-align:-3px}