:root{--bg-primary: #000000;--bg-secondary: #0a0a0a;--bg-card: #111111;--bg-card-hover: #1a1a1a;--bg-input: #1a1a1a;--border: #222222;--border-light: #333333;--text-primary: #f0f0f0;--text-secondary: #999999;--text-muted: #666666;--accent: #ffffff;--accent-dim: #aaaaaa;--accent-glow: rgba(255, 255, 255, .08);--danger: #ff6b6b;--success: #a0a0a0;--heat-0: #111111;--heat-1: #333333;--heat-2: #666666;--heat-3: #999999;--heat-4: #ffffff;--radius: 10px;--radius-sm: 6px;--sidebar-w: 200px;--transition: .15s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}#app{display:flex;height:100vh;overflow:hidden}#sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:20px 12px;gap:8px}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:8px 12px;margin-bottom:24px}.brand-icon{font-size:22px}.brand-text{font-size:18px;font-weight:700;color:var(--text-primary);letter-spacing:-.3px}.nav-links{display:flex;flex-direction:column;gap:4px}.nav-btn{display:flex;align-items:center;gap:10px;padding:10px 14px;border:none;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition),color var(--transition);font-family:inherit;width:100%;text-align:left}.nav-btn:hover{background:var(--bg-card);color:var(--text-primary)}.nav-btn.active{background:var(--accent-glow);color:var(--accent)}.nav-bottom{margin-top:auto;display:flex;flex-direction:column;gap:4px}#main-content{flex:1;overflow-y:auto;padding:28px 32px}.tab-content{display:none}.tab-content.active{display:block}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;text-align:center}.stat-label{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:6px;font-weight:600}.stat-value{font-size:24px;font-weight:700;color:var(--accent);letter-spacing:-.5px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-header h2{font-size:15px;font-weight:600;color:var(--text-primary)}.home-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}.timer-mode-toggle{display:flex;gap:2px;background:var(--bg-input);border-radius:var(--radius-sm);padding:2px}.mode-btn{padding:5px 12px;border:none;background:transparent;color:var(--text-secondary);font-size:12px;font-weight:500;border-radius:4px;cursor:pointer;transition:background var(--transition),color var(--transition);font-family:inherit}.mode-btn.active{background:var(--bg-card);color:var(--accent)}.timer-display{display:flex;justify-content:center;padding:20px 0 12px}.timer-ring{position:relative;width:180px;height:180px}.timer-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.ring-bg{fill:none;stroke:var(--border);stroke-width:4}.ring-progress{fill:none;stroke:var(--accent);stroke-width:4;stroke-linecap:round;stroke-dasharray:565.48;stroke-dashoffset:0;transition:stroke-dashoffset .5s ease}.timer-time{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:36px;font-weight:700;letter-spacing:-1px;color:var(--text-primary);font-variant-numeric:tabular-nums}.timer-task-label{text-align:center;font-size:12px;color:var(--text-secondary);margin-bottom:8px;min-height:18px}.timer-task-label strong{color:var(--text-primary);font-weight:600}.pomodoro-settings{display:flex;justify-content:center;margin-bottom:12px}.pomodoro-settings label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-secondary)}.pomodoro-settings input{width:60px;padding:4px 8px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:13px;text-align:center;font-family:inherit}.pomodoro-settings input:focus{outline:none;border-color:var(--accent)}.timer-controls{display:flex;gap:10px;justify-content:center}.btn{padding:8px 20px;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;transition:background var(--transition),opacity var(--transition);font-family:inherit;display:inline-flex;align-items:center;gap:6px}.btn-primary{background:var(--accent);color:var(--bg-primary)}.btn-primary:hover{opacity:.85}.btn-secondary{background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card-hover);color:var(--text-primary)}.btn-icon{padding:4px 8px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;display:inline-flex;align-items:center;transition:background var(--transition)}.btn-icon:hover{background:var(--bg-card-hover)}.btn-sm{padding:6px 12px;font-size:16px;font-weight:700;line-height:1}.task-count{font-size:12px;color:var(--text-muted);font-weight:500}.task-input-row{display:flex;gap:8px;margin-bottom:12px}.task-input-row input{flex:1;padding:8px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:13px;font-family:inherit}.task-input-row input:focus{outline:none;border-color:var(--accent)}.task-input-row input::placeholder{color:var(--text-muted)}.task-list{list-style:none;max-height:260px;overflow-y:auto;display:flex;flex-direction:column;gap:4px}.task-list::-webkit-scrollbar{width:4px}.task-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.task-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);transition:background var(--transition)}.task-item:hover{background:var(--bg-card-hover)}.task-item input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;min-width:16px;border:2px solid var(--border-light);border-radius:4px;cursor:pointer;position:relative;transition:background var(--transition),border-color var(--transition)}.task-item input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}.task-item input[type=checkbox]:checked:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--bg-primary);font-size:10px;font-weight:700}.task-item .task-text{flex:1;font-size:13px;color:var(--text-primary)}.task-item.done .task-text{text-decoration:line-through;color:var(--text-muted)}.task-item .task-delete{opacity:0;border:none;background:none;color:var(--danger);cursor:pointer;font-size:14px;padding:2px 4px;border-radius:4px;transition:opacity var(--transition)}.task-item:hover .task-delete{opacity:1}.manual-entry-card{margin-bottom:24px}.manual-entry-row{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap}.manual-entry-inputs{display:flex;gap:10px}.manual-entry-inputs label,.manual-entry-task label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-secondary)}.manual-entry-inputs input[type=number],.manual-entry-inputs input[type=date]{padding:7px 10px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:13px;text-align:center;font-family:inherit;color-scheme:dark}.manual-entry-inputs input[type=number]{width:70px}.manual-entry-inputs input:focus{outline:none;border-color:var(--accent)}.manual-entry-task select{padding:7px 10px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:13px;font-family:inherit;min-width:140px;cursor:pointer;color-scheme:dark}.manual-entry-task select:focus{outline:none;border-color:var(--accent)}.heatmap-card{margin-bottom:24px}.heatmap-nav{display:flex;align-items:center;gap:8px}#heatmap-month-label{font-size:13px;color:var(--text-secondary);min-width:120px;text-align:center;font-weight:500}.heatmap-container{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;max-width:350px}.heatmap-cell{width:100%;aspect-ratio:1;border-radius:3px;background:var(--heat-0);min-width:0;min-height:28px;position:relative;cursor:default}.heatmap-cell.empty{background:transparent}.heatmap-cell[data-tooltip]:hover:after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%);background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-primary);font-size:11px;padding:4px 8px;border-radius:4px;white-space:nowrap;z-index:10;pointer-events:none}.heatmap-day-label{font-size:10px;color:var(--text-muted);display:flex;align-items:center;justify-content:center;min-height:20px}.heatmap-legend{display:flex;align-items:center;gap:4px;margin-top:10px;font-size:11px;color:var(--text-muted)}.legend-cell{width:12px;height:12px;border-radius:2px}.analytics-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.analytics-header h2{font-size:20px;font-weight:700}.month-selector{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary)}.month-selector input[type=month]{padding:6px 10px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:13px;color-scheme:dark}.month-selector input[type=month]:focus{outline:none;border-color:var(--accent)}.chart-card{margin-bottom:16px}.chart-card h3,.table-card h3{font-size:14px;font-weight:600;color:var(--text-secondary);margin-bottom:16px}.chart-container{height:240px;position:relative}.chart-container canvas{width:100%!important;height:100%!important}.task-analytics-section{margin-bottom:16px}.task-analytics-section h3{font-size:14px;font-weight:600;color:var(--text-secondary);margin-bottom:16px}.task-time-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.task-time-card{background:var(--bg-card-hover);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px}.task-time-card .ttc-name{font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.task-time-card .ttc-stats{display:flex;gap:12px;font-size:11px;color:var(--text-muted)}.task-time-card .ttc-stats span{display:flex;flex-direction:column;gap:2px}.task-time-card .ttc-stats .ttc-value{font-size:14px;font-weight:700;color:var(--text-primary)}.table-container{overflow-x:auto;max-height:400px;overflow-y:auto}.table-container::-webkit-scrollbar{width:4px;height:4px}.table-container::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}#task-history-table{width:100%;border-collapse:collapse;font-size:13px}#task-history-table th{text-align:left;padding:10px 14px;color:var(--text-muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.8px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-card)}#task-history-table td{padding:10px 14px;color:var(--text-secondary);border-bottom:1px solid var(--border)}#task-history-table tbody tr:hover{background:var(--bg-card-hover)}.task-pills{display:flex;flex-wrap:wrap;gap:4px}.task-pill{display:inline-block;padding:2px 8px;background:var(--accent-glow);color:var(--accent);border-radius:100px;font-size:11px;font-weight:500}.task-pill.incomplete{background:#8b90a51a;color:var(--text-muted)}.task-pill.editable{cursor:pointer;transition:opacity var(--transition),transform var(--transition)}.task-pill.editable:hover{opacity:.75;transform:scale(.97)}.task-pill.editable:not(.incomplete){text-decoration:line-through}.task-pill.editable.incomplete{text-decoration:none}.session-log-hint{font-size:12px;color:var(--text-muted);margin-bottom:12px}#session-log-table{width:100%;border-collapse:collapse;font-size:13px}#session-log-table th{text-align:left;padding:10px 14px;color:var(--text-muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.8px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-card)}#session-log-table td{padding:8px 14px;color:var(--text-secondary);border-bottom:1px solid var(--border)}#session-log-table tbody tr:hover{background:var(--bg-card-hover)}.session-actions{display:flex;gap:6px}.session-actions button{padding:4px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-size:11px;cursor:pointer;transition:background var(--transition),color var(--transition);font-family:inherit}.session-actions button:hover{background:var(--bg-card-hover);color:var(--text-primary)}.session-actions .btn-delete:hover{border-color:var(--danger);color:var(--danger)}.session-edit-inputs{display:flex;gap:4px;align-items:center}.session-edit-inputs input{width:45px;padding:3px 6px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:12px;text-align:center;font-family:inherit}.session-edit-inputs input:focus{outline:none;border-color:var(--accent)}.session-edit-inputs span{font-size:11px;color:var(--text-muted)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:none;align-items:center;justify-content:center;z-index:100}.modal-overlay.show{display:flex}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:400px;max-width:90vw}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-header h2{font-size:16px;font-weight:600}.modal-close{background:none!important;border:none!important;color:var(--text-muted);font-size:18px;cursor:pointer;padding:2px 6px!important}.modal-body p{font-size:13px;color:var(--text-secondary);margin-bottom:16px;line-height:1.6}.sync-actions{display:flex;gap:10px}.task-select-list{list-style:none;display:flex;flex-direction:column;gap:4px;max-height:200px;overflow-y:auto;margin-bottom:16px}.task-select-item{padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;font-size:13px;color:var(--text-primary);transition:background var(--transition),border-color var(--transition)}.task-select-item:hover,.task-select-item.selected{background:var(--accent-glow);border-color:var(--accent)}.task-select-item.selected{font-weight:600}.task-select-none{text-align:center;color:var(--text-muted);font-size:13px;padding:16px}.toast{position:fixed;bottom:24px;right:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 20px;font-size:13px;color:var(--text-primary);z-index:200;opacity:0;transform:translateY(10px);transition:opacity var(--transition),transform var(--transition);pointer-events:none}.toast.show{opacity:1;transform:translateY(0)}.toast.success{border-color:var(--accent)}.toast.error{border-color:var(--danger)}#main-content::-webkit-scrollbar{width:6px}#main-content::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}#main-content::-webkit-scrollbar-track{background:transparent}.empty-state{text-align:center;padding:32px;color:var(--text-muted);font-size:13px}#auth-section{margin-top:4px}.auth-user-info{padding:4px 0}.auth-user-row{display:flex;align-items:center;gap:8px;padding:6px 14px;margin-bottom:2px}.auth-avatar{width:24px;height:24px;border-radius:50%;border:1px solid var(--border)}.auth-name{font-size:12px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:110px}.cloud-status{font-size:11px;color:var(--text-muted);padding:4px 14px;display:flex;align-items:center;gap:6px}.cloud-status .dot{width:6px;height:6px;border-radius:50%;background:var(--text-muted)}.cloud-status .dot.online{background:#68d391}@media(max-width:768px){#app{flex-direction:column;height:100vh;height:100dvh}#sidebar{width:100%;min-width:unset;flex-direction:row;align-items:center;padding:0;gap:0;border-right:none;border-top:1px solid var(--border);order:2;position:fixed;bottom:0;left:0;right:0;z-index:50;background:var(--bg-secondary)}.sidebar-brand{display:none}.nav-links{flex-direction:row;flex:1;justify-content:center;gap:0}.nav-btn{flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:10px 16px;font-size:10px;min-width:64px}.nav-btn span{font-size:10px}.nav-bottom{flex-direction:row;margin-top:0;gap:0}.nav-bottom .nav-btn span{font-size:10px}.auth-user-row{justify-content:center;padding:4px 8px}.auth-name{display:none}.auth-avatar{width:22px;height:22px}#auth-section{margin-top:0}.auth-user-info{padding:0}#auth-user-info .nav-btn{min-width:unset}#main-content{padding:16px 16px 80px;order:1;height:calc(100vh - 56px);height:calc(100dvh - 56px)}.stats-row{grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px}.stat-card{padding:12px 8px}.stat-label{font-size:9px;letter-spacing:.5px;margin-bottom:4px}.stat-value{font-size:18px}.home-grid{grid-template-columns:1fr;gap:12px;margin-bottom:16px}.timer-ring{width:160px;height:160px}.timer-time{font-size:30px}.timer-display{padding:16px 0 8px}.card{padding:16px}.card-header{margin-bottom:12px}.manual-entry-card{margin-bottom:16px}.manual-entry-row{flex-direction:column;align-items:stretch;gap:12px}.manual-entry-inputs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.manual-entry-inputs input[type=number],.manual-entry-inputs input[type=date],.manual-entry-task{width:100%}.manual-entry-task select{width:100%;min-width:unset}.manual-entry-row .btn{width:100%;justify-content:center;padding:12px}.heatmap-card{margin-bottom:16px}.heatmap-container{max-width:100%}.heatmap-cell{min-height:20px}.analytics-header{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:16px}.month-selector{width:100%}.month-selector input[type=month]{flex:1}.chart-container{height:200px}.task-time-grid{grid-template-columns:1fr 1fr;gap:8px}.table-container{max-height:300px;-webkit-overflow-scrolling:touch}#task-history-table th,#task-history-table td,#session-log-table th,#session-log-table td{padding:8px 10px;font-size:12px;white-space:nowrap}.session-actions{gap:4px}.session-actions button{padding:4px 8px;font-size:10px}.modal{width:95vw;max-width:95vw;padding:20px}.sync-actions{flex-direction:column;gap:8px}.sync-actions .btn{width:100%;justify-content:center}.task-list{max-height:200px}.task-item .task-delete{opacity:1}.toast{left:16px;right:16px;bottom:72px;text-align:center}}@media(max-width:480px){#main-content{padding:12px 12px 76px}.stats-row{gap:6px}.stat-card{padding:10px 6px}.stat-label{font-size:8px}.stat-value{font-size:16px}.timer-ring{width:140px;height:140px}.timer-time{font-size:26px}.timer-controls .btn{padding:8px 16px;font-size:12px}.card{padding:12px}.card-header h2{font-size:14px}.manual-entry-inputs,.task-time-grid{grid-template-columns:1fr}.analytics-header h2{font-size:18px}.nav-btn{padding:8px 10px;min-width:52px}.nav-btn svg{width:16px;height:16px}}.loading-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:var(--bg-primary);display:flex;align-items:center;justify-content:center;z-index:9999;opacity:0;pointer-events:none;transition:opacity .3s ease}.loading-overlay.show{opacity:1;pointer-events:all}.loading-spinner{display:flex;flex-direction:column;align-items:center;gap:16px}.loading-spinner .brand-icon{font-size:48px;animation:loadingPulse 1.2s ease-in-out infinite}.loading-spinner p{font-size:14px;color:var(--text-secondary);letter-spacing:.5px}@keyframes loadingPulse{0%,to{opacity:.4;transform:scale(1)}50%{opacity:1;transform:scale(1.1)}}.sync-status{display:flex;align-items:center;gap:6px;padding:12px 14px 8px;font-size:11px;font-weight:500;color:var(--text-muted);border-top:1px solid var(--border);margin-top:8px}.sync-dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}.sync-dot.syncing{background:#f0c040;animation:syncPulse 1s ease-in-out infinite}.sync-dot.synced{background:#4ade80}.sync-dot.error{background:#ef4444}.sync-dot.offline{background:#666}.sync-status.synced{color:#4ade80}.sync-status.error{color:#ef4444}.sync-status.syncing{color:#f0c040}@keyframes syncPulse{0%,to{opacity:1}50%{opacity:.3}}