*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--sidebar-w: 240px;--handle-size: 6px;--bg: #0f1117;--surface: #1a1d27;--surface2: #222636;--border: #2e3348;--accent: #4f8ef7;--text: #e2e8f0;--text-muted: #8892a4;--ground: #C19A6B;--stem: #E74C3C;--veg: #27AE60}html,body{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:13px;overflow:hidden}#app{display:flex;height:100vh}#sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;gap:0;overflow-y:auto;overflow-x:hidden}.sidebar-header{padding:16px 14px 12px;border-bottom:1px solid var(--border)}.sidebar-header h1{font-size:16px;font-weight:700;letter-spacing:-.3px;color:var(--text)}.subtitle{font-size:11px;color:var(--text-muted);margin-top:3px;line-height:1.4}.control-group{padding:12px 14px;border-bottom:1px solid var(--border)}.group-label{display:block;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:8px}.btn-group{display:flex;flex-wrap:wrap;gap:4px}.btn-toggle{flex:1 1 auto;padding:5px 8px;background:var(--surface2);border:1px solid var(--border);border-radius:5px;color:var(--text-muted);font-size:12px;cursor:pointer;transition:all .15s;white-space:nowrap;min-width:0}.btn-toggle:hover{border-color:var(--accent);color:var(--text)}.btn-toggle.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.select-wrap{position:relative}.select-wrap:after{content:"▾";position:absolute;right:10px;top:50%;transform:translateY(-50%);pointer-events:none;color:var(--text-muted);font-size:11px}select{width:100%;padding:6px 28px 6px 10px;background:var(--surface2);border:1px solid var(--border);border-radius:5px;color:var(--text);font-size:12px;appearance:none;cursor:pointer;outline:none}select:focus{border-color:var(--accent)}.filter-list{display:flex;flex-direction:column;gap:6px}.filter-item{display:flex;align-items:center;gap:7px;cursor:pointer;color:var(--text);font-size:12px;user-select:none}.filter-item input[type=checkbox]{display:none}.cls-dot{width:12px;height:12px;border-radius:3px;flex-shrink:0;border:2px solid transparent;transition:border-color .15s,opacity .15s}.filter-item input:not(:checked)+.cls-dot{opacity:.3}.filter-item:hover .cls-dot{border-color:#ffffff4d}.filter-item input:checked+.cls-dot{border-color:transparent}input[type=range]{width:100%;height:4px;border-radius:2px;background:var(--surface2);outline:none;cursor:pointer;appearance:none;margin-top:4px}input[type=range]::-webkit-slider-thumb{appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer}#status-area{margin-top:auto;padding:12px 14px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px}.status-item{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--text-muted)}.status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.status-dot.loading{background:#f59e0b;animation:pulse 1s infinite}.status-dot.ready{background:#10b981;animation:none}.status-dot.error{background:#ef4444;animation:none}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}#viewer-area{flex:1;display:flex;min-width:0;overflow:hidden}#viewer-area.split-vertical{flex-direction:row}#viewer-area.split-horizontal{flex-direction:column}.pane{flex:1;position:relative;overflow:hidden;min-width:0;min-height:0}canvas{display:block;width:100%!important;height:100%!important}.pane-label{position:absolute;top:10px;left:12px;z-index:10;background:#0000008c;backdrop-filter:blur(6px);padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600;color:#ffffffd9;pointer-events:none;border:1px solid rgba(255,255,255,.1)}.split-handle{background:var(--border);flex-shrink:0;cursor:col-resize;position:relative;transition:background .15s;z-index:20}.split-vertical .split-handle{width:var(--handle-size);cursor:col-resize}.split-horizontal .split-handle{height:var(--handle-size);cursor:row-resize}.split-handle:hover,.split-handle.dragging{background:var(--accent)}.split-handle:after{content:"";position:absolute;background:#ffffff40;border-radius:3px}.split-vertical .split-handle:after{width:2px;height:30px;top:50%;left:50%;transform:translate(-50%,-50%)}.split-horizontal .split-handle:after{height:2px;width:30px;left:50%;top:50%;transform:translate(-50%,-50%)}.loading-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--bg);z-index:5;font-size:12px;color:var(--text-muted);transition:opacity .4s}.loading-overlay.hidden{opacity:0;pointer-events:none}.spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toggle-switch{display:inline-flex;align-items:center;cursor:pointer;float:right;margin-top:-2px}.toggle-switch input{display:none}.toggle-track{width:28px;height:15px;background:var(--surface2);border-radius:8px;position:relative;border:1px solid var(--border);transition:background .2s}.toggle-track:after{content:"";position:absolute;top:2px;left:2px;width:9px;height:9px;border-radius:50%;background:var(--text-muted);transition:transform .2s,background .2s}.toggle-switch input:checked+.toggle-track{background:var(--accent);border-color:var(--accent)}.toggle-switch input:checked+.toggle-track:after{transform:translate(13px);background:#fff}#sidebar::-webkit-scrollbar{width:4px}#sidebar::-webkit-scrollbar-track{background:transparent}#sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.btn-reset-view{width:100%;padding:6px 10px;background:var(--surface2);border:1px solid var(--border);border-radius:5px;color:var(--text-muted);font-size:12px;cursor:pointer;transition:all .15s;text-align:center}.btn-reset-view:hover{border-color:var(--accent);color:var(--text)}.header-row{display:flex;align-items:center;justify-content:space-between}.btn-icon{width:22px;height:22px;border-radius:50%;background:var(--surface2);border:1px solid var(--border);color:var(--text-muted);font-size:12px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:border-color .15s,color .15s}.btn-icon:hover{border-color:var(--accent);color:var(--text)}.modal-overlay{position:fixed;inset:0;background:#000000b3;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;transition:opacity .2s}.modal-overlay.hidden{opacity:0;pointer-events:none}.modal{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:28px 32px;max-width:440px;width:calc(100vw - 48px);display:flex;flex-direction:column;gap:18px}.modal-title{font-size:18px;font-weight:700;color:var(--text);margin:0}.modal .modal-subtitle{font-size:12px;color:var(--text-muted);margin:-12px 0 0}.modal-section h3{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:8px}.modal-section p{font-size:12px;color:var(--text);line-height:1.6}.controls-table{width:100%;border-collapse:collapse;font-size:12px}.controls-table td{padding:4px 0;color:var(--text)}.controls-table td:first-child{color:var(--text-muted);width:55%}.btn-primary{align-self:flex-end;padding:8px 24px;background:var(--accent);border:none;border-radius:6px;color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:opacity .15s}.btn-primary:hover{opacity:.85}