:root{--primary-color: #3498db;--primary-hover: #2980b9;--secondary-color: #2c3e50;--accent-color: #00d4ff;--success-color: #6bcf7f;--warning-color: #ffd93d;--danger-color: #ff6b6b;--neutral-color: #95a5a6;--bg-dark: #1a1a1a;--bg-panel: #222222;--bg-header: #2c3e50;--bg-overlay: rgba(30, 30, 30, .9);--text-light: #ecf0f1;--text-muted: #bdc3c7;--border-color: #444;--shadow: 0 4px 6px rgba(0, 0, 0, .3);--sidebar-width: 320px;--footer-height: 40px;--header-height: 60px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-dark);color:var(--text-light);overflow:hidden;height:100vh;display:flex;flex-direction:column}.header{height:var(--header-height);background:var(--bg-header);padding:0 20px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow);z-index:100;border-bottom:1px solid var(--border-color)}.header-left{display:flex;align-items:center}.header-left h1{font-size:20px;font-weight:600;color:var(--text-light);margin-right:15px}.header-left .subtitle{font-size:13px;color:var(--text-muted);border-left:1px solid var(--border-color);padding-left:15px}.header-right{display:flex;align-items:center}.btn{padding:8px 16px;border:none;border-radius:4px;cursor:pointer;font-size:13px;font-weight:600;transition:all .2s ease;display:inline-flex;align-items:center;gap:8px}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}.btn-secondary{background:var(--secondary-color);color:#fff;margin-right:10px}.btn-secondary:hover{background:#34495e;transform:translateY(-1px)}.btn-secondary.active{background:var(--accent-color);color:#000}.btn-icon{background:transparent;border:1px solid var(--border-color);color:var(--text-light);width:32px;height:32px;border-radius:4px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.btn-icon:hover{background:#ffffff1a;border-color:var(--text-muted)}.btn-playback{background:var(--success-color);color:#1a1a1a;padding:8px 20px;border-radius:4px;border:none;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s}.btn-playback:hover:not(:disabled){transform:scale(1.05);box-shadow:0 0 10px #6bcf7f66}.btn-playback:disabled{background:var(--neutral-color);cursor:not-allowed;opacity:.5}.btn-playback.playing{background:var(--warning-color)}.main-container{display:flex;flex:1;height:calc(100vh - var(--header-height) - var(--footer-height));position:relative}.viewer-container{flex:1;background:#000;position:relative;overflow:hidden;width:100%;height:100%}#viewer-container canvas{outline:none}.single-viewer-container{flex:1;position:relative;overflow:hidden;transition:opacity .3s ease}.dual-viewer-container{flex:1;display:flex;gap:0;position:relative;overflow:hidden;transition:opacity .3s ease}.viewer-wrapper{flex:1;position:relative;background:#000;border-right:1px solid var(--border-color)}.viewer-wrapper:last-child{border-right:none}.viewer-label{position:absolute;top:10px;left:10px;background:#000c;color:var(--accent-color);padding:6px 12px;border-radius:4px;font-size:11px;font-weight:600;z-index:10;border:1px solid var(--border-color);backdrop-filter:blur(5px)}.sync-controls{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;gap:10px;z-index:100;background:#000000e6;padding:12px;border-radius:8px;border:1px solid var(--border-color);box-shadow:0 4px 20px #00000080}.sync-toggle{background:#ffffff1a}.sync-toggle.active{background:var(--success-color);color:#1a1a1a;border-color:var(--success-color)}.sync-toggle.active i{animation:pulse 1.5s ease-in-out infinite}.sync-toggle:not(.active){background:var(--danger-color);color:#fff;border-color:var(--danger-color)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.timeline-panel{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,#000000e6,#0009);padding:15px 30px;z-index:50;display:flex;flex-direction:column;gap:10px;border-top:1px solid rgba(255,255,255,.1)}#timeline-panel-dual{position:fixed;bottom:var(--footer-height);left:0;right:var(--sidebar-width)}.date-display{text-align:center}.current-date{font-size:16px;font-weight:600;color:var(--primary-color)}.date-range{font-size:11px;color:var(--text-muted);margin-top:2px}.timeline-slider-container{display:flex;align-items:center;gap:15px}.timeline-slider{flex:1;height:6px;-webkit-appearance:none;background:#fff3;border-radius:3px;outline:none;cursor:pointer}.timeline-slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--primary-color);cursor:pointer;transition:transform .1s;box-shadow:0 0 10px #3498db80}.timeline-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.playback-controls{display:flex;justify-content:center;align-items:center;gap:20px}.speed-control{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted)}.speed-select{background:#0000004d;color:var(--text-light);border:1px solid var(--border-color);padding:4px 8px;border-radius:4px;font-size:12px;cursor:pointer}.speed-select:focus{outline:none;border-color:var(--primary-color)}.sidebar{width:var(--sidebar-width);background:var(--bg-panel);border-left:1px solid var(--border-color);overflow-y:auto;padding:15px;display:flex;flex-direction:column;gap:15px;z-index:60}.panel{background:#ffffff08;border:1px solid var(--border-color);border-radius:6px;padding:15px}.panel h3{font-size:14px;font-weight:600;color:var(--accent-color);margin-bottom:12px;display:flex;align-items:center;gap:8px}.progress-section{margin-bottom:15px}.progress-bar-container{width:100%;height:20px;background:#0000004d;border-radius:10px;overflow:hidden;border:1px solid var(--border-color)}.progress-bar{height:100%;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#000;transition:width .3s ease}.stats-grid{display:grid;grid-template-columns:1fr;gap:8px}.stat-item{background:#0003;padding:10px;border-radius:4px;display:flex;align-items:center;gap:12px;border-left:3px solid transparent}.stat-item.completed{border-left-color:var(--success-color)}.stat-item.in-progress{border-left-color:var(--warning-color)}.stat-item.not-started{border-left-color:var(--danger-color)}.stat-item.total{border-left-color:var(--neutral-color)}.stat-icon{font-size:18px}.stat-content{flex:1;display:flex;justify-content:space-between;align-items:center}.stat-label{font-size:12px;color:var(--text-muted)}.stat-value{font-weight:700;font-size:14px}.stat-percent{font-size:11px;color:var(--text-muted);margin-left:5px}.fragments-summary{display:flex;justify-content:space-between;margin-bottom:12px;padding:8px 10px;background:#0003;border-radius:4px}.summary-item{display:flex;flex-direction:column;gap:2px}.summary-label{font-size:10px;color:var(--text-muted);text-transform:uppercase}.summary-value{font-size:16px;font-weight:700;color:var(--accent-color)}.fragments-loading{background:#00d4ff1a;border:1px solid var(--accent-color);border-radius:4px;padding:12px;margin-bottom:12px;display:flex;flex-direction:column;align-items:center;gap:8px}.loading-spinner-small{width:24px;height:24px;border:3px solid rgba(0,212,255,.2);border-top-color:var(--accent-color);border-radius:50%;animation:spin 1s linear infinite}.loading-text-small{font-size:11px;color:var(--accent-color);font-weight:600}.loading-progress-small{width:100%;height:6px;background:#0000004d;border-radius:3px;overflow:hidden}.loading-progress-bar-small{height:100%;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));width:0%;transition:width .3s ease}.loading-count{font-size:10px;color:var(--text-muted)}.fragments-list{list-style:none;max-height:250px;overflow-y:auto;padding-right:5px;margin-bottom:12px}.fragments-list::-webkit-scrollbar{width:4px}.fragments-list::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:2px}.fragment-item{background:#0003;border:1px solid var(--border-color);border-radius:4px;padding:10px;margin-bottom:8px;display:flex;align-items:center;gap:10px;transition:all .2s ease}.fragment-item:hover{background:#0000004d;border-color:var(--accent-color)}.fragment-item.loading{opacity:.6;pointer-events:none}.fragment-checkbox{width:18px;height:18px;cursor:pointer;accent-color:var(--accent-color)}.fragment-info{flex:1;display:flex;flex-direction:column;gap:4px;min-width:0}.fragment-name{font-size:12px;font-weight:600;color:var(--text-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fragment-stats{display:flex;gap:12px;font-size:10px;color:var(--text-muted)}.fragment-stat{display:flex;align-items:center;gap:4px}.fragment-stat i{font-size:9px}.fragment-icon{width:10px;height:10px;border-radius:50%;flex-shrink:0}.fragment-icon.visible{background-color:var(--success-color);box-shadow:0 0 8px var(--success-color)}.fragment-icon.hidden{background-color:var(--danger-color)}.no-fragments{font-size:12px;color:var(--text-muted);text-align:center;padding:20px 10px;font-style:italic}.fragments-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px}.btn-small{padding:6px 10px;font-size:11px;border:none;border-radius:4px;cursor:pointer;font-weight:600;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:5px;background:#ffffff0d;color:var(--text-light);border:1px solid var(--border-color)}.btn-small:hover:not(:disabled){background:#ffffff1a;border-color:var(--accent-color)}.btn-small:disabled{opacity:.4;cursor:not-allowed}.btn-small i{font-size:10px}.tasks-list{list-style:none;max-height:200px;overflow-y:auto;padding-right:5px}.tasks-list::-webkit-scrollbar{width:4px}.tasks-list::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:2px}.active-task{background:#ffd93d1a;border-left:3px solid var(--warning-color);padding:8px;margin-bottom:8px;border-radius:0 4px 4px 0}.task-name{font-size:12px;font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.task-details{font-size:10px;color:var(--text-muted)}.no-tasks{font-size:12px;color:var(--text-muted);text-align:center;padding:10px;font-style:italic}.performance-info{margin-bottom:15px}.info-text{font-size:11px;color:var(--text-muted);line-height:1.5;margin:0}.threshold-control{background:#0003;padding:12px;border-radius:6px;margin-bottom:12px}.control-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.control-header label{font-size:12px;font-weight:600;color:var(--text-light)}.culling-toggle-container{display:flex;align-items:center;gap:10px}.toggle-switch-large{position:relative;display:inline-block;width:50px;height:26px}.toggle-switch-large input{opacity:0;width:0;height:0}.slider-large{position:absolute;cursor:pointer;inset:0;background-color:#555;transition:.3s;border-radius:26px;box-shadow:inset 0 0 5px #00000080}.slider-large:before{position:absolute;content:"";height:20px;width:20px;left:3px;bottom:3px;background-color:#fff;transition:.3s;border-radius:50%;box-shadow:0 2px 4px #0000004d}.toggle-switch-large input:checked+.slider-large{background-color:var(--primary-color)}.toggle-switch-large input:checked+.slider-large:before{transform:translate(24px)}.toggle-switch-large input:focus+.slider-large{box-shadow:0 0 1px var(--primary-color),inset 0 0 5px #00000080}.toggle-switch-large:hover .slider-large{opacity:.9}.threshold-value{font-size:16px;font-weight:700;color:var(--accent-color);padding:2px 8px;background:#00d4ff1a;border-radius:4px;min-width:40px;text-align:center}.threshold-slider{width:100%;height:6px;border-radius:3px;background:linear-gradient(to right,var(--success-color) 0%,var(--warning-color) 50%,var(--danger-color) 100%);outline:none;opacity:.9;transition:opacity .2s;-webkit-appearance:none;appearance:none;cursor:pointer}.threshold-slider:hover{opacity:1}.threshold-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent-color);cursor:pointer;box-shadow:0 0 10px #00d4ff80;border:2px solid #fff}.threshold-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent-color);cursor:pointer;box-shadow:0 0 10px #00d4ff80;border:2px solid #fff}.threshold-labels{display:flex;justify-content:space-between;margin-top:8px}.label-item{display:flex;flex-direction:column;align-items:center;gap:2px}.label-value{font-size:10px;font-weight:600;color:var(--text-light)}.label-desc{font-size:9px;color:var(--text-muted)}.performance-tips{display:flex;flex-direction:column;gap:8px}.tip-item{display:flex;align-items:flex-start;gap:8px;font-size:10px;color:var(--text-muted);line-height:1.4}.tip-item i{color:var(--accent-color);margin-top:2px;font-size:10px;flex-shrink:0}.tip-item strong{color:var(--text-light)}.legend{display:flex;flex-direction:column;gap:8px}.legend-item{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-muted)}.legend-color{width:16px;height:16px;border-radius:3px;border:1px solid rgba(255,255,255,.1)}.shortcuts{display:flex;flex-direction:column;gap:8px}.shortcut-item{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--text-muted)}kbd{background:#ffffff1a;padding:2px 6px;border-radius:3px;font-family:monospace;border:1px solid var(--border-color)}.footer{height:var(--footer-height);background:var(--bg-header);border-top:1px solid var(--border-color);display:flex;justify-content:center;align-items:center;font-size:11px;color:var(--text-muted);gap:15px;z-index:100}.footer a{color:var(--primary-color);text-decoration:none}.footer a:hover{text-decoration:underline}.loading-overlay{position:fixed;inset:0;background:#000000e6;z-index:9999;display:none;align-items:center;justify-content:center;flex-direction:column}.loading-content{text-align:center;width:300px}.spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.1);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{margin-bottom:10px;font-size:14px;color:var(--text-light)}.loading-progress-container{width:100%;height:4px;background:#ffffff1a;border-radius:2px;overflow:hidden}.loading-progress{height:100%;background:var(--primary-color);width:0%;transition:width .2s}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:10000;backdrop-filter:blur(4px)}.modal-content{background:var(--bg-panel);border:1px solid var(--border-color);border-radius:8px;padding:25px;max-width:450px;width:90%;box-shadow:0 10px 40px #00000080}.modal-content h3{font-size:18px;margin-bottom:10px;color:var(--accent-color)}.modal-description{font-size:13px;color:var(--text-muted);margin-bottom:20px}.category-selector{margin-bottom:15px}.category-selector label{display:block;font-size:12px;font-weight:600;color:var(--text-light);margin-bottom:8px}.category-select{width:100%;padding:10px;background:#0000004d;border:1px solid var(--border-color);border-radius:4px;color:var(--text-light);font-size:13px;cursor:pointer}.category-select:focus{outline:none;border-color:var(--accent-color)}.custom-category{margin-top:15px}.custom-category label{display:block;font-size:12px;font-weight:600;color:var(--text-light);margin-bottom:8px}.custom-category-input{width:100%;padding:10px;background:#0000004d;border:1px solid var(--border-color);border-radius:4px;color:var(--text-light);font-size:13px}.custom-category-input:focus{outline:none;border-color:var(--accent-color)}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.category-group{margin-bottom:15px}.category-header{display:flex;align-items:center;justify-content:space-between;padding:10px;background:#00d4ff1a;border:1px solid var(--accent-color);border-radius:4px;cursor:pointer;margin-bottom:8px;transition:all .2s ease}.category-header:hover{background:#00d4ff26}.category-header-left{display:flex;align-items:center;gap:10px;flex:1}.category-toggle{font-size:10px;color:var(--accent-color);transition:transform .2s ease}.category-toggle.collapsed{transform:rotate(-90deg)}.category-title{font-size:13px;font-weight:600;color:var(--accent-color)}.category-count{font-size:11px;color:var(--text-muted);background:#0000004d;padding:2px 8px;border-radius:10px}.category-controls{display:flex;gap:5px}.category-controls button{padding:4px 8px;font-size:10px;background:#0000004d;border:1px solid var(--border-color);border-radius:3px;color:var(--text-light);cursor:pointer;transition:all .2s ease}.category-controls button:hover{background:#00000080;border-color:var(--accent-color)}.category-items{padding-left:10px;max-height:500px;overflow:hidden;transition:max-height .3s ease}.category-items.collapsed{max-height:0}@media(max-width:768px){.main-container{flex-direction:column}.sidebar{width:100%;height:300px;order:2}.viewer-container{order:1}}.viz-settings{display:flex;align-items:center;gap:15px;margin-right:20px}.setting-group{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted)}.toggle-switch{position:relative;display:inline-block;width:40px;height:20px;margin-right:5px}.toggle-switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background-color:#ccc;transition:.4s;border-radius:20px}.slider:before{position:absolute;content:"";height:16px;width:16px;left:2px;bottom:2px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.slider{background-color:var(--primary-color)}input:checked+.slider:before{transform:translate(20px)}#opacity-slider,#opacity-slider-dual{width:80px;height:4px;-webkit-appearance:none;background:#fff3;border-radius:2px;outline:none}#opacity-slider::-webkit-slider-thumb,#opacity-slider-dual::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:var(--text-light);cursor:pointer}.btn-playback.loop-active{background:var(--primary-color);color:#fff}.controls-row{display:flex;justify-content:space-between;align-items:center}.category-actions{display:flex;gap:5px}.category-action-btn{background:#00d4ff33;border:1px solid var(--accent-color);color:var(--accent-color);padding:4px 8px;border-radius:3px;cursor:pointer;font-size:11px;transition:all .2s ease}.category-action-btn:hover{background:#00d4ff4d;transform:scale(1.05)}.category-action-btn:active{transform:scale(.95)}.category-title{display:flex;align-items:center;gap:8px;flex:1;cursor:pointer}.category-toggle-icon{font-size:10px;color:var(--accent-color);transition:transform .2s ease}.category-name{font-size:13px;font-weight:600;color:var(--accent-color)}