:root{--bg-base:#0f172a;--bg-surface:#1e293b;--bg-surface-hover:#334155;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-primary:#3b82f6;--accent-hover:#2563eb;--status-success:#10b981;--status-error:#ef4444;--status-warning:#f59e0b;--border-color:#334155;--radius-md:8px;--radius-lg:12px;--transition:.2s ease}body.theme-light{--bg-base:#f8fafc;--bg-surface:#fff;--bg-surface-hover:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--accent-primary:#2563eb;--accent-hover:#1d4ed8;--status-success:#059669;--status-error:#dc2626;--status-warning:#d97706;--border-color:#e2e8f0}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-base);color:var(--text-primary);height:100vh;font-family:Inter,sans-serif;line-height:1.5;overflow:hidden}.app-container{height:100vh;display:flex}.sidebar{background-color:var(--bg-surface);border-right:1px solid var(--border-color);flex-direction:column;width:250px;padding:24px 16px;display:flex}.logo{margin-bottom:40px;padding:0 8px}.logo h2{letter-spacing:-.5px;font-size:24px;font-weight:700}.badge{color:var(--accent-primary);background-color:#3b82f61a;border-radius:12px;margin-top:4px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.main-nav{flex-direction:column;flex:1;gap:8px;display:flex}.nav-item{color:var(--text-secondary);border-radius:var(--radius-md);transition:var(--transition);padding:10px 16px;font-weight:500;text-decoration:none}.nav-item:hover{background-color:var(--bg-surface-hover);color:var(--text-primary)}.nav-item.active{color:var(--accent-primary);background-color:#3b82f61a}.database-status{border-top:1px solid var(--border-color);padding:16px 8px}.database-status h3{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:8px;font-size:12px}.status-indicator{color:var(--text-secondary);align-items:center;gap:8px;font-size:13px;display:flex}.dot{background-color:var(--status-warning);border-radius:50%;width:8px;height:8px}.dot.success{background-color:var(--status-success)}.dot.error{background-color:var(--status-error)}.main-content{flex-direction:column;flex:1;padding:32px 40px;display:flex;overflow-y:auto}.top-bar{justify-content:space-between;align-items:center;gap:24px;margin-bottom:40px;display:flex}.input-container{flex:1;gap:12px;display:flex}#action-input{background-color:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-lg);transition:var(--transition);outline:none;flex:1;padding:16px 20px;font-family:Inter,sans-serif;font-size:16px}#action-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 2px #3b82f633}.btn{cursor:pointer;border-radius:var(--radius-lg);transition:var(--transition);border:none;padding:16px 32px;font-family:Inter,sans-serif;font-size:16px;font-weight:600}.btn.primary{background-color:var(--accent-primary);color:#fff}.btn.primary:hover{background-color:var(--accent-hover)}.timer-display{font-variant-numeric:tabular-nums;letter-spacing:-1px;color:var(--text-primary);font-size:32px;font-weight:700}.dashboard-grid{grid-template-columns:2fr 1fr;gap:24px;display:grid}.card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);flex-direction:column;display:flex}.card-header{border-bottom:1px solid var(--border-color);padding:20px 24px}.card-header h3{font-size:16px;font-weight:600}.card-body{padding:24px}.action-list{list-style:none}.empty-state{color:var(--text-muted);font-style:italic}.summary-stat{flex-direction:column;gap:4px;display:flex}.stat-label{color:var(--text-secondary);font-size:14px}.stat-value{font-size:28px;font-weight:700}.view{flex-direction:column;height:100%;display:flex}.view.hidden{display:none}.settings-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-bottom:20px;display:flex}.btn.small{padding:8px 16px;font-size:14px}.btn.danger{color:var(--status-error);border:1px solid var(--status-error);background-color:#0000}.btn.danger:hover{background-color:#ef44441a}.dynamic-list{flex-direction:column;gap:12px;display:flex}.dynamic-row{align-items:center;gap:12px;display:flex}.dynamic-input{background-color:var(--bg-base);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-md);outline:none;flex:1;padding:10px 14px;font-family:Inter,sans-serif}.dynamic-input:focus{border-color:var(--accent-primary)}.timeline-row{border-bottom:1px solid var(--border-color);align-items:center;gap:16px;padding:12px 0;display:flex}.timeline-time{color:var(--text-muted);font-variant-numeric:tabular-nums;width:65px;font-size:13px}.timeline-input{color:var(--text-primary);border-radius:var(--radius-md);transition:var(--transition);background:0 0;border:1px solid #0000;outline:none;flex:1;padding:6px 12px;font-family:Inter,sans-serif;font-size:15px}.timeline-input:hover{background-color:var(--bg-base)}.timeline-input:focus{background-color:var(--bg-base);border-color:var(--accent-primary)}.timeline-duration{color:var(--text-secondary);font-variant-numeric:tabular-nums;text-align:right;width:70px;font-size:14px}.timeline-actions{opacity:0;transition:var(--transition);gap:8px;display:flex}.timeline-row:hover .timeline-actions{opacity:1}.heatmap-wrapper{align-items:flex-start;gap:16px;display:flex}.heatmap-grid{gap:4px;display:flex}.heatmap-col{flex-direction:column;gap:4px;display:flex}.heatmap-cell{background-color:var(--bg-surface-hover);width:44px;height:44px;color:var(--text-primary);text-align:center;cursor:crosshair;border-radius:4px;justify-content:center;align-items:center;font-size:11px;line-height:1.2;display:flex;position:relative}.heatmap-cell.empty{pointer-events:none;background-color:#0000}.heat-level-0{background-color:var(--bg-surface-hover)}.heat-level-1{color:#1e3a8a;background-color:#dbeafe}.heat-level-2{color:#1e3a8a;background-color:#93c5fd}.heat-level-3{color:#fff;background-color:#3b82f6}.heat-level-4{color:#fff;background-color:#1d4ed8}.heat-level-5{color:#fff;background-color:#1e3a8a}.heatmap-cell[title]:hover:after{content:attr(title);color:#fff;white-space:pre-line;z-index:10;pointer-events:none;background:#000;border-radius:4px;margin-bottom:6px;padding:6px 10px;font-size:12px;position:absolute;bottom:100%;left:50%;transform:translate(-50%)}.action-tree-container details{margin-bottom:2px}.tree-summary{cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:4px;justify-content:space-between;padding:6px 8px;list-style:none;transition:background-color .2s;display:flex;position:relative}.tree-summary::-webkit-details-marker{display:none}.tree-summary:before{content:"›";color:var(--text-muted);opacity:0;font-size:16px;transition:transform .2s,opacity .2s;position:absolute;top:50%;left:-12px;transform:translateY(-50%)}details:hover>.tree-summary:before{opacity:1}details[open]>.tree-summary:before{transform:translateY(-50%)rotate(90deg)}details.no-children>.tree-summary:before{display:none!important}details.no-children>.tree-summary{cursor:default}.tree-summary:hover{background-color:var(--card-bg)}.set-summary{color:var(--text-primary);border-bottom:1px solid var(--border-color);border-radius:0;margin-bottom:4px;font-weight:600}.set-summary:hover{background-color:#0000}.set-summary:before{font-size:20px;left:-16px}.project-summary{font-weight:500}.node-summary{color:var(--text-secondary);font-size:.9em;font-weight:400}.tree-mult{color:var(--primary-color);font-size:.9em;font-weight:600}.tree-time{font-variant-numeric:tabular-nums;color:var(--text-secondary);font-family:monospace}.tree-project{margin-left:20px}.tree-children{border-left:1px dashed #0000;margin-left:16px;padding-left:8px}.show-lines .tree-children{border-left:1px dashed var(--border-color)}