*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8f9fb;--bg2: #f0f1f5;--surface: #ffffff;--surface2: #f5f6fa;--border: #e4e6ed;--border2: #d0d3de;--text: #111827;--text2: #374151;--muted: #6b7280;--accent: #6366f1;--accent2: #818cf8;--accent-dim: #e0e7ff;--danger: #ef4444;--success: #10b981;--ring-track: #e4e6ed;--ring-progress: #6366f1;--ring-interval: #f59e0b;--ring-done: #10b981;--ring-tick: #d1d5db;--ring-tick-past: #6366f1;--ring-dot: #6366f1;--shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);--shadow: 0 4px 16px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.05);--shadow-lg: 0 10px 40px rgba(0,0,0,.12);--radius: 14px;--radius-sm: 8px;--font: "Inter", system-ui, -apple-system, sans-serif}[data-theme=dark]{--bg: #0e0e16;--bg2: #13131e;--surface: #1a1a28;--surface2: #22223a;--border: #2a2a42;--border2: #36366a;--text: #f1f5f9;--text2: #cbd5e1;--muted: #94a3b8;--accent: #818cf8;--accent2: #a5b4fc;--accent-dim: #1e1f4e;--ring-track: #2a2a42;--ring-progress: #818cf8;--ring-interval: #fbbf24;--ring-done: #34d399;--ring-tick: #3a3a5c;--ring-tick-past: #818cf8;--ring-dot: #818cf8;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow: 0 4px 16px rgba(0,0,0,.4);--shadow-lg: 0 10px 40px rgba(0,0,0,.6)}html,body{height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;transition:background .2s,color .2s}button{font-family:var(--font);cursor:pointer;border:none;background:none;color:inherit}button:disabled{opacity:.4;cursor:not-allowed}.app{display:grid;grid-template-areas:"header header" "sidebar titlebar" "sidebar main" "sidebar main";grid-template-columns:220px 1fr;grid-template-rows:56px 48px 1fr;min-height:100dvh}.header{grid-area:header;display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;gap:16px}.header__brand{display:flex;align-items:center;gap:8px}.header__logo-img{display:block;flex-shrink:0}.header__title{font-size:17px;font-weight:700;letter-spacing:-.3px;color:var(--text)}.header__title-accent{color:var(--accent)}.header__actions{display:flex;align-items:center;gap:6px}.header__streak{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:#f59e0b;background:#fef3c7;padding:3px 10px;border-radius:20px}[data-theme=dark] .header__streak{background:#3a2600;color:#fbbf24}.header__btn{display:flex;align-items:center;gap:5px;padding:6px 10px;border-radius:var(--radius-sm);font-size:12px;font-weight:500;color:var(--muted);transition:background .15s,color .15s}.header__btn:hover{background:var(--bg2);color:var(--text)}.header__btn--icon{padding:6px 8px}.header__sound-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px}.sidebar{grid-area:sidebar;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:20px 12px 24px;gap:4px;position:sticky;top:56px;height:calc(100dvh - 56px);overflow-y:auto}.sidebar__section-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);padding:0 8px 8px}.sidebar__nav{display:flex;flex-direction:column;gap:2px}.sidebar__item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:var(--muted);position:relative;transition:background .15s,color .15s}.sidebar__item:hover{background:var(--bg2);color:var(--text2)}.sidebar__item--active{background:var(--accent-dim);color:var(--accent);font-weight:600}.sidebar__active-bar{position:absolute;right:0;top:6px;bottom:6px;width:3px;background:var(--accent);border-radius:4px 0 0 4px}.sidebar__divider{height:1px;background:var(--border);margin:12px 0}.sidebar__footer{margin-top:auto;display:flex;flex-direction:column;gap:4px;padding:0 8px}.sidebar__streak,.sidebar__footer-text{font-size:12px;color:var(--muted)}.page-titlebar{grid-area:titlebar;display:flex;align-items:center;padding:0 32px;border-bottom:1px solid var(--border);background:var(--bg)}.page-titlebar__title{font-size:18px;font-weight:700;color:var(--text)}.app__main{grid-area:main;padding:32px;overflow-y:auto}.timer-page{display:flex;flex-direction:column;align-items:center;gap:28px;max-width:480px;margin:0 auto}.timer-ring{position:relative;display:flex;align-items:center;justify-content:center;transition:filter .2s}.timer-ring svg{display:block;overflow:visible}.ring-arc{transition:stroke-dashoffset .05s linear,stroke .3s}.timer-ring--pulse .ring-arc{filter:drop-shadow(0 0 8px var(--ring-progress))}.timer-ring--done .ring-arc{filter:drop-shadow(0 0 12px var(--ring-done))}@keyframes ring-pulse{0%{transform:scale(1)}40%{transform:scale(1.04)}to{transform:scale(1)}}.timer-ring--pulse{animation:ring-pulse .35s ease-out}.timer-ring__center{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}.timer-ring__time{font-size:46px;font-weight:800;letter-spacing:-2px;color:var(--text);font-variant-numeric:tabular-nums;line-height:1}.timer-ring__sub{font-size:14px;font-weight:600;color:var(--muted);margin-top:6px;letter-spacing:.2px}.timer-controls{display:flex;flex-direction:column;align-items:center;gap:20px;width:100%}.timer-controls__modes{display:flex;background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:3px;gap:2px}.timer-controls__mode{display:flex;align-items:center;gap:6px;padding:7px 16px;border-radius:7px;font-size:13px;font-weight:500;color:var(--muted);transition:background .15s,color .15s}.timer-controls__mode:hover:not(:disabled){color:var(--text2)}.timer-controls__mode--active{background:var(--surface);color:var(--accent);font-weight:600;box-shadow:var(--shadow-sm)}.timer-controls__actions{display:flex;align-items:center;gap:16px}.timer-controls__reset{width:44px;height:44px;border-radius:50%;background:var(--surface2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--muted);transition:background .15s,color .15s,border-color .15s}.timer-controls__reset:hover:not(:disabled){background:var(--bg2);color:var(--text);border-color:var(--border2)}.timer-controls__primary{width:72px;height:72px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #6366f159;transition:background .15s,transform .1s,box-shadow .15s}.timer-controls__primary:hover:not(:disabled){background:var(--accent2);transform:scale(1.04);box-shadow:0 6px 24px 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var(--border);border-radius:var(--radius-sm);padding:4px}.timer-setup__step-btn{width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:background .15s,color .15s}.timer-setup__step-btn:hover:not(:disabled){background:var(--bg2);color:var(--text)}.timer-setup__value{min-width:60px;padding:4px 6px;text-align:center;font-size:18px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;border-radius:5px;cursor:text;transition:background .15s;font-family:var(--font)}.timer-setup__value:hover:not(:disabled){background:var(--bg2)}.timer-setup__value--off{color:var(--muted)}.timer-setup__input{min-width:60px;width:72px;padding:4px 6px;text-align:center;font-size:18px;font-weight:700;color:var(--text);background:var(--bg2);border:2px solid var(--accent);border-radius:5px;outline:none;font-family:var(--font);font-variant-numeric:tabular-nums}.timer-setup__value--interval[data-off=true],.timer-setup__value--interval{color:var(--text)}.timer-setup__meta{margin-top:14px;text-align:center;font-size:12px;color:var(--muted);font-weight:500}.preset-list{max-width:640px}.preset-list__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.preset-list__title{font-size:18px;font-weight:700;color:var(--text)}.preset-list__save-btn{display:flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-sm);background:var(--accent-dim);color:var(--accent);font-size:13px;font-weight:600;transition:background .15s}.preset-list__save-btn:hover{background:var(--accent);color:#fff}.preset-list__current{font-size:12px;color:var(--muted);margin-bottom:20px;display:flex;gap:6px}.preset-list__current-label{font-weight:500}.preset-list__current-val{color:var(--accent);font-weight:600}.preset-list__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}.preset-card{display:flex;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .15s,box-shadow .15s;position:relative}.preset-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}.preset-card__body{display:flex;align-items:center;gap:12px;padding:14px 16px;flex:1;text-align:left;transition:background .15s}.preset-card__body:hover{background:var(--surface2)}.preset-card__emoji{font-size:24px;flex-shrink:0}.preset-card__info{display:flex;flex-direction:column;gap:2px;flex:1}.preset-card__name{font-size:14px;font-weight:600;color:var(--text)}.preset-card__desc{font-size:12px;color:var(--muted)}.preset-card__meta{font-size:13px;font-weight:700;color:var(--accent);flex-shrink:0}.preset-card__delete{padding:0 12px;color:var(--muted);border-left:1px solid var(--border);display:flex;align-items:center;transition:background .15s,color .15s}.preset-card__delete:hover{background:#fee2e2;color:var(--danger)}[data-theme=dark] .preset-card__delete:hover{background:#2d1515}.history-list{max-width:640px}.history-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px}.history-stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;display:flex;flex-direction:column;gap:4px}.history-stat__val{font-size:20px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums}.history-stat__label{font-size:11px;color:var(--muted);font-weight:500;text-transform:uppercase;letter-spacing:.4px}.history-list__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.history-list__title{font-size:16px;font-weight:700;color:var(--text)}.history-list__clear{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);padding:5px 10px;border-radius:var(--radius-sm);transition:background .15s,color .15s}.history-list__clear:hover{background:#fee2e2;color:var(--danger)}[data-theme=dark] .history-list__clear:hover{background:#2d1515}.history-list__empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:60px 0;color:var(--muted);font-size:14px}.history-list__items{display:flex;flex-direction:column;gap:8px}.history-item{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px;transition:border-color .15s}.history-item--done{border-left:3px solid var(--success)}.history-item__emoji{font-size:18px;flex-shrink:0}.history-item__info{flex:1;display:flex;flex-direction:column;gap:2px}.history-item__type{font-size:13px;font-weight:600;color:var(--text)}.history-item__meta{font-size:11px;color:var(--muted)}.history-item__right{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.history-item__duration{font-size:13px;font-weight:700;color:var(--text)}.history-item__date{font-size:11px;color:var(--muted)}.history-item__status{flex-shrink:0}.history-item__status--done{color:var(--success)}.history-item__status--partial{color:var(--muted)}.tab-bar{display:none}@media(max-width:768px){.app{grid-template-areas:"header" "main";grid-template-columns:1fr;grid-template-rows:56px 1fr auto;padding-bottom:68px}.sidebar,.page-titlebar{display:none}.app__main{padding:20px 16px}.tab-bar{display:flex;position:fixed;bottom:0;left:0;right:0;height:68px;background:var(--surface);border-top:1px solid var(--border);z-index:10}.tab-bar__item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10px;font-weight:500;color:var(--muted);position:relative;transition:color .15s}.tab-bar__item--active{color:var(--accent);font-weight:600}.tab-bar__dot{position:absolute;top:6px;width:4px;height:4px;border-radius:50%;background:var(--accent)}.tab-bar__label{font-size:10px}.timer-ring__time{font-size:38px}.history-stats{grid-template-columns:repeat(2,1fr)}}