:root{color-scheme:light;--bg: #f6f7fa;--surface: #ffffff;--surface-2: #eef0f6;--text: #222332;--muted: #666a80;--accent: #2F4A7E;--accent-ink: #ffffff;--border: #e0e0eb;--danger: #ae3645;--danger-ink: #ffffff;--focus: #2F4A7E;--shadow: 0 12px 32px rgba(24, 24, 40, .16);--radius: 8px;--safe-top: var(--safe-area-inset-top, env(safe-area-inset-top, 0px));--safe-bottom: var(--safe-area-inset-bottom, env(safe-area-inset-bottom, 0px));font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Noto Sans SC,sans-serif}:root[data-theme=dark]{color-scheme:dark;--bg: #11131b;--surface: #202330;--surface-2: #2a2d3d;--text: #f1f2fc;--muted: #b9bad0;--accent: #9AB4E8;--accent-ink: #11131b;--border: #383d4e;--danger: #ff8a9a;--danger-ink: #11131b;--focus: #B3C9F2;--shadow: 0 12px 32px rgba(0, 0, 0, .5)}@media(prefers-color-scheme:dark){:root:not([data-theme]){color-scheme:dark;--bg: #11131b;--surface: #202330;--surface-2: #2a2d3d;--text: #f1f2fc;--muted: #b9bad0;--accent: #9AB4E8;--accent-ink: #11131b;--border: #383d4e;--danger: #ff8a9a;--danger-ink: #11131b;--focus: #B3C9F2;--shadow: 0 12px 32px rgba(0, 0, 0, .5)}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;overflow-x:hidden}body{margin:0;min-height:100dvh;background:var(--bg);color:var(--text);font-family:inherit;font-size:17px;line-height:1.5;overflow-x:hidden}body #app{max-width:440px;min-height:100dvh;margin:0 auto;padding:calc(8px + var(--safe-top)) 14px calc(88px + var(--safe-bottom));color:var(--text);font-size:17px}h1,h2,p{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.app-header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding-bottom:8px;margin-bottom:10px;border-bottom:1px solid var(--border)}.app-heading{min-width:0}.app-title{font-size:24px;font-weight:800;line-height:1.2;letter-spacing:-.02em;overflow-wrap:anywhere}.tagline{margin-top:2px;color:var(--muted);font-size:13px;overflow-wrap:anywhere}.icon-button{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text)}.icon-button:hover{background:var(--surface-2)}.icon{width:24px;height:24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 16px;border:1px solid transparent;border-radius:var(--radius);background:var(--surface-2);color:var(--text);font-size:17px;font-weight:600;line-height:1.25;text-align:center}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:not(:disabled):hover{filter:brightness(1.06)}.btn-secondary{background:transparent;border-color:var(--border);color:var(--text)}.btn-secondary:not(:disabled):hover{background:var(--surface-2)}.btn-danger{background:var(--danger);color:var(--danger-ink)}.search-input{width:100%;min-height:40px;margin-bottom:8px;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:16px;line-height:1.3}.search-input::placeholder,.text-input::placeholder{color:var(--muted);opacity:.85}.item-list{display:flex;flex-direction:column;gap:6px}.item{padding:8px 10px;border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--radius);background:var(--surface)}.item-row{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.item-main{min-width:0}.item-name{display:block;font-size:17px;font-weight:700;line-height:1.35;overflow-wrap:anywhere}.item-sub{margin-top:1px;color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.item-elapsed{flex:0 0 auto;color:var(--accent);font-size:20px;font-weight:750;font-variant-numeric:tabular-nums;line-height:1.25;white-space:nowrap}.item-side{display:flex;flex:0 0 auto;flex-direction:column;align-items:flex-end;gap:4px}.item-actions{display:flex;gap:4px}.item-actions .btn{flex:0 0 auto;min-height:36px;padding:5px 8px;font-size:13px}.add-button{width:100%;margin-top:8px}.empty-state{padding:24px 16px;border:1px dashed var(--border);border-radius:var(--radius);background:var(--surface);text-align:center}.empty-title{font-size:23px;font-weight:750;line-height:1.25;overflow-wrap:anywhere}.empty-desc{margin:8px 0 16px;color:var(--muted);font-size:17px;overflow-wrap:anywhere}.empty-hint{padding:20px 4px;color:var(--muted);font-size:17px;text-align:center}.history-page{margin-top:8px}.settings-stub{padding:8px 0 4px}.tabbar{position:fixed;left:50%;bottom:0;z-index:20;display:flex;gap:8px;width:100%;max-width:440px;padding:4px 10px calc(4px + var(--safe-bottom));border-top:1px solid var(--border);background:var(--surface);transform:translate(-50%)}.tab{display:flex;flex:1 1 0;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-width:0;min-height:44px;padding:3px 8px;border:0;border-radius:var(--radius);background:transparent;color:var(--muted);font-size:13px;line-height:1.2}.tab:hover{background:var(--surface-2)}.tab.is-active{background:var(--surface-2);color:var(--accent);font-weight:700}.tab-icon{width:22px;height:22px}.tab-label{overflow-wrap:anywhere}.toast-region{position:fixed;top:auto;bottom:calc(68px + var(--safe-bottom));left:50%;z-index:80;width:max-content;max-width:min(420px,calc(100vw - 32px));transform:translate(-50%);pointer-events:none}.toast{padding:10px 16px;border-radius:var(--radius);background:#222332;color:#fff;box-shadow:var(--shadow);font-size:17px;text-align:center;overflow-wrap:anywhere}:root[data-theme=dark] .toast{background:var(--surface-2);color:var(--text)}.overlay{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-end;justify-content:center;background:#0a0c1480}.sheet{width:100%;max-width:440px;max-height:min(88dvh,calc(100% - 8px));overflow:auto;padding:16px 16px calc(16px + var(--safe-bottom));border-radius:var(--radius) var(--radius) 0 0;background:var(--surface);box-shadow:var(--shadow);animation:sheet-in .16s ease-out}.sheet:focus{outline:none}.sheet-overlay--keyboard{align-items:flex-start;padding-top:calc(12px + var(--safe-top))}.sheet-overlay--keyboard .sheet{max-height:min(50dvh,calc(100% - 24px));padding-bottom:16px;border-radius:var(--radius);animation:sheet-in-top .16s ease-out}@keyframes sheet-in-top{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.sheet-title{font-size:23px;font-weight:750;line-height:1.25;overflow-wrap:anywhere}.sheet-close{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:1px solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text);font-size:23px;line-height:1}.sheet-close:hover{background:var(--surface-2)}.confirm-overlay{align-items:center;padding:20px}.dialog{width:100%;max-width:360px;padding:18px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.dialog-title{margin-bottom:8px;font-size:23px;font-weight:750;line-height:1.25}.dialog-message{margin-bottom:16px;color:var(--muted);font-size:17px;overflow-wrap:anywhere}.dialog-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.field{display:block;margin-bottom:12px}.field-label{display:block;margin-bottom:6px;color:var(--muted);font-size:15px}.text-input{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text);font-size:19px;line-height:1.3}.text-input[aria-invalid=true]{border-color:var(--danger)}.form-error{min-height:24px;margin:0 0 12px;color:var(--danger);font-size:15px;overflow-wrap:anywhere}.form-error:empty{min-height:0;margin:0}.form-actions{display:flex;gap:8px}.form-actions .btn{flex:1 1 0}.boot-error .btn{margin-top:8px}.history-list{display:flex;flex-direction:column;gap:8px}.history-row{display:flex;align-items:baseline;gap:10px;width:100%;padding:11px 12px;border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:19px;line-height:1.35;text-align:left;overflow-wrap:anywhere}.history-row:hover{background:var(--surface-2)}.history-date{flex:0 0 auto;color:var(--muted);font-size:15px;font-variant-numeric:tabular-nums;white-space:nowrap}.history-name{min-width:0;font-weight:700;overflow-wrap:anywhere}.detail{padding-top:2px}.detail-count{margin-bottom:12px;color:var(--muted);font-size:15px;font-variant-numeric:tabular-nums}.detail-section{margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}.detail-count+.detail-section{margin-top:0;padding-top:0;border-top:0}.section-title{margin:0 0 8px;font-size:23px;font-weight:750;line-height:1.25;overflow-wrap:anywhere}.detail-empty{padding:8px 0;color:var(--muted);font-size:17px}.detail-danger{margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}.detail-danger .btn,.settings-actions .btn,.import-actions .btn{width:100%}.detail-danger .form-error{margin-bottom:8px}.event-summary{margin-bottom:12px;color:var(--muted);font-size:15px;overflow-wrap:anywhere}.settings-section{margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--border)}.settings-section:last-of-type{margin-bottom:0;padding-bottom:0;border-bottom:0}.choice-group{min-width:0;margin:0;padding:0;border:0}.choice-group .section-title{display:block;width:100%;margin:0 0 8px;padding:0}.choice{display:flex;align-items:center;gap:10px;margin-bottom:8px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text);font-size:17px;line-height:1.3;cursor:pointer;overflow-wrap:anywhere}.choice:last-child{margin-bottom:0}.choice:hover{background:var(--surface-2)}.choice input{flex:0 0 auto;width:22px;height:22px;margin:0;accent-color:var(--accent)}.choice:has(input:checked){border-color:var(--accent);background:var(--surface)}.choice-label{min-width:0;overflow-wrap:anywhere}.settings-text{color:var(--muted);font-size:17px;overflow-wrap:anywhere}.migration-steps{margin:0 0 10px;padding-left:22px}.migration-steps li{margin-bottom:6px}.migration-steps li:last-child{margin-bottom:0}.file-field{margin-top:4px}.file-input{display:block;width:100%;max-width:100%;min-height:44px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text);font-size:15px}.import-preview{margin-top:10px;padding:12px;border:1px solid var(--accent);border-radius:var(--radius);background:var(--bg)}.import-preview-title{margin:0 0 6px;font-size:23px;font-weight:750;line-height:1.25;overflow-wrap:anywhere}.import-meta{color:var(--muted);font-size:15px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.import-note{margin:8px 0 10px;color:var(--text);font-size:17px;overflow-wrap:anywhere}.import-actions{display:flex;flex-direction:column;gap:8px}.settings-actions{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}.app-version{margin-top:12px;color:var(--muted);font-size:14px;text-align:center;overflow-wrap:anywhere}@keyframes sheet-in{0%{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}@media(max-width:340px){body #app{padding-right:12px;padding-left:12px}.item{padding-right:10px;padding-left:10px}.item-actions .btn{padding-right:6px;padding-left:6px;font-size:15px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}