:root{--color-bg:#0a0a0a;--color-surface:#141414;--color-surface-2:#1c1c1c;--color-surface-3:#252525;--color-border:#2a2a2a;--color-border-light:#333;--color-text:#e0e0e0;--color-text-dim:#888;--color-text-muted:#555;--color-accent:#4f9eff;--color-accent-hover:#3d8df0;--color-accent-dim:#1a3a5c;--color-danger:#e55;--color-success:#4c4;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono:"JetBrains Mono", "SF Mono", "Fira Code", "Cascadia Code", monospace;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--sidebar-width:240px;--properties-width:260px;--toolbar-height:44px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:12px;line-height:1.5}.app{flex-direction:column;width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}.app-body{flex:1;min-height:0;display:flex;overflow:hidden}.app-main{background:var(--color-surface);flex:1;min-width:0;position:relative}.toolbar{height:var(--toolbar-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:10;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:0 12px;display:flex}.toolbar-left{align-items:baseline;gap:8px;min-width:150px;display:flex}.toolbar-title{letter-spacing:-.02em;color:var(--color-text);font-size:14px;font-weight:700}.toolbar-subtitle{color:var(--color-text-muted);letter-spacing:.05em;text-transform:uppercase;font-size:10px}.toolbar-center{flex:1;justify-content:center;align-items:center;gap:10px;display:flex}.toolbar-right{justify-content:flex-end;align-items:center;gap:6px;min-width:150px;display:flex}.toolbar-group{align-items:center;gap:6px;display:flex}.toolbar-label{color:var(--color-text-dim);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;font-size:10px}.toolbar-divider{background:var(--color-border);width:1px;height:20px}.btn{font-size:11px;font-family:var(--font-sans);border:1px solid var(--color-border-light);border-radius:var(--radius-sm);background:var(--color-surface-2);color:var(--color-text);cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:4px;padding:5px 10px;font-weight:500;transition:all .15s;display:inline-flex}.btn:hover{background:var(--color-surface-3);border-color:var(--color-text-muted)}.btn.active{background:var(--color-accent-dim);border-color:var(--color-accent);color:var(--color-accent)}.btn-primary{background:var(--color-accent);border-color:var(--color-accent);color:#fff}.btn-primary:hover{background:var(--color-accent-hover)}.btn-sm{padding:3px 8px;font-size:11px}.btn-xs{padding:2px 6px;font-size:10px}.btn-ghost{color:var(--color-text-dim);background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--color-surface-3);color:var(--color-text)}.btn-icon{border-radius:var(--radius-sm);width:20px;height:20px;color:var(--color-text-dim);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:12px;transition:all .12s;display:inline-flex}.btn-icon:hover{background:var(--color-surface-3);color:var(--color-text)}.button-group{gap:1px;display:flex}.button-group .btn{border-radius:0}.button-group .btn:first-child{border-radius:var(--radius-sm) 0 0 var(--radius-sm)}.button-group .btn:last-child{border-radius:0 var(--radius-sm) var(--radius-sm) 0}.input{font-size:11px;font-family:var(--font-sans);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);outline:none;padding:4px 8px;transition:border-color .15s}.input:focus{border-color:var(--color-accent)}.input-sm{padding:3px 6px;font-size:11px}.input-mono{font-family:var(--font-mono);font-size:11px}.input-color{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);cursor:pointer;width:28px;height:24px;padding:1px}.input-color::-webkit-color-swatch-wrapper{padding:1px}.input-color::-webkit-color-swatch{border:none;border-radius:2px}select.input{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23888'/%3E%3C/svg%3E");background-position:right 6px center;background-repeat:no-repeat;padding-right:20px}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}.sidebar{width:var(--sidebar-width);border-right:1px solid var(--color-border);background:var(--color-surface);flex-direction:column;flex-shrink:0;display:flex;overflow-y:auto}.sidebar-section{border-bottom:1px solid var(--color-border)}.sidebar-section-header{text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-dim);justify-content:space-between;align-items:center;padding:8px 12px;font-size:10px;font-weight:600;display:flex}.scene-tree{padding:0 4px 6px}.scene-tree-empty{color:var(--color-text-muted);text-align:center;padding:12px;font-size:11px;line-height:1.6}.scene-tree-item{border-radius:var(--radius-sm);cursor:pointer;align-items:center;gap:4px;padding:4px 8px;transition:background .1s;display:flex}.scene-tree-item:hover{background:var(--color-surface-2)}.scene-tree-item.selected{background:var(--color-accent-dim)}.scene-tree-icon{text-align:center;width:16px;color:var(--color-text-dim);flex-shrink:0;font-size:12px}.scene-tree-name{text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:11px;overflow:hidden}.visibility-toggle.visible{color:var(--color-accent)}.visibility-toggle.hidden{color:var(--color-text-muted)}.delete-btn{opacity:0;font-size:14px}.scene-tree-item:hover .delete-btn{opacity:1}.shape-library{grid-template-columns:1fr 1fr;gap:3px;padding:0 6px 8px;display:grid}.shape-library-item{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface-2);color:var(--color-text);cursor:pointer;font-family:var(--font-sans);align-items:center;gap:6px;padding:6px 8px;font-size:11px;transition:all .12s;display:flex}.shape-library-item:hover{border-color:var(--color-accent);background:var(--color-accent-dim)}.shape-library-icon{text-align:center;width:18px;color:var(--color-text-dim);font-size:14px}.shape-library-name{white-space:nowrap;font-size:10px}.preset-list{flex-direction:column;gap:2px;padding:0 6px 8px;display:flex}.preset-item-row{align-items:center;gap:0;display:flex}.preset-item-row .preset-item{flex:1;min-width:0}.preset-replace-btn{opacity:0;width:22px;height:22px;color:var(--color-text-muted);border-radius:var(--radius-sm);flex-shrink:0;font-size:12px;transition:opacity .12s}.preset-item-row:hover .preset-replace-btn{opacity:.6}.preset-replace-btn:hover{background:var(--color-surface-2);color:var(--color-text);opacity:1!important}.preset-item{border-radius:var(--radius-sm);color:var(--color-text);cursor:pointer;font-family:var(--font-sans);text-align:left;background:0 0;border:1px solid #0000;align-items:center;gap:8px;padding:6px 8px;transition:all .12s;display:flex}.preset-item:hover{background:var(--color-surface-2);border-color:var(--color-border)}.preset-icon{text-align:center;flex-shrink:0;width:22px;font-size:16px}.preset-info{flex-direction:column;min-width:0;display:flex}.preset-name{font-size:11px;font-weight:500}.preset-desc{color:var(--color-text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:10px;overflow:hidden}.sidebar-drop-hint{border-bottom:none;padding:8px 12px 12px}.properties{width:var(--properties-width);border-left:1px solid var(--color-border);background:var(--color-surface);flex-direction:column;flex-shrink:0;display:flex;overflow-y:auto}.properties-empty{justify-content:center;align-items:center;height:100%;padding:20px;display:flex}.properties-empty p{color:var(--color-text-muted);text-align:center;font-size:11px}.properties-header{border-bottom:1px solid var(--color-border);padding:8px 10px}.properties-name-input{width:100%;padding:4px 6px;font-size:13px;font-weight:600}.properties-section{border-bottom:1px solid var(--color-border);padding:8px 10px}.properties-section-title{text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-dim);margin-bottom:8px;font-size:10px;font-weight:600}.property-grid{flex-direction:column;gap:6px;display:flex}.property-row{align-items:center;gap:8px;display:flex}.property-row-full{flex-direction:column;align-items:stretch;gap:4px}.property-row-full .input{width:100%}.property-row-vec3{flex-direction:column;align-items:stretch;gap:4px}.property-label{color:var(--color-text-dim);flex-shrink:0;min-width:50px;font-size:10px}.property-value-text{color:var(--color-text);text-overflow:ellipsis;font-size:11px;overflow:hidden}.property-row>.input{flex:1;min-width:0}.property-section-label{text-transform:uppercase;letter-spacing:.08em;color:var(--color-accent);border-top:1px solid var(--color-border);margin-top:6px;padding-top:6px;font-size:9px;font-weight:700}.property-section-label:first-child{border-top:none;margin-top:0;padding-top:0}.zoom-control{flex:1;align-items:center;gap:4px;min-width:0;display:flex}.zoom-slider{min-width:0;height:4px;accent-color:var(--color-accent);cursor:pointer;flex:1}.zoom-number{text-align:center;flex:none!important;width:52px!important}.vec3-inputs{gap:4px;display:flex}.vec3-input-group{flex:1;align-items:center;gap:2px;min-width:0;display:flex}.vec3-label{color:var(--color-text-muted);text-align:center;flex-shrink:0;width:12px;font-size:9px;font-weight:600}.input-vec3{width:100%;min-width:0;font-size:11px;font-family:var(--font-mono);padding:3px 4px}.viewport-grid{width:100%;height:100%}.viewport{background:var(--color-surface);width:100%;height:100%;position:relative;overflow:hidden}.viewport-overlay{z-index:2;position:absolute;inset:0}.viewport-svg{z-index:1;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.viewport-svg svg{width:100%;height:100%;display:block}.viewport-label{z-index:3;pointer-events:none;align-items:center;gap:6px;display:flex;position:absolute;top:8px;left:8px}.viewport-camera-name{color:var(--color-text-dim);text-transform:uppercase;letter-spacing:.06em;border-radius:var(--radius-sm);background:#0a0a0ab3;padding:2px 6px;font-size:10px;font-weight:600}.viewport-badge{color:var(--color-accent);border-radius:var(--radius-sm);background:#0a0a0ab3;padding:2px 5px;font-size:9px}.viewport-stats{z-index:3;color:var(--color-text-muted);font-size:10px;font-family:var(--font-mono);border-radius:var(--radius-sm);pointer-events:none;background:#0a0a0ab3;padding:2px 6px;position:absolute;bottom:8px;right:8px}.viewport-rendering{color:var(--color-accent);animation:1s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.drop-zone-overlay-fullscreen{z-index:200;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:all;background:#0a0a0ae0;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.drop-zone-content{border:2px dashed var(--color-accent);border-radius:16px;flex-direction:column;align-items:center;gap:16px;max-width:400px;padding:40px 60px;display:flex}.drop-zone-icon{color:var(--color-accent);font-size:40px;font-weight:200;line-height:1}.drop-zone-text{color:var(--color-text-dim);text-align:center;font-size:14px}.import-file-btn{border:1px dashed var(--color-border-light);border-radius:var(--radius-md);width:100%;color:var(--color-text);cursor:pointer;font-family:var(--font-sans);background:0 0;align-items:center;gap:8px;padding:10px 12px;font-size:11px;transition:all .15s;display:flex}.import-file-btn:hover{border-color:var(--color-accent);background:var(--color-accent-dim);color:var(--color-accent)}.import-file-btn .drop-hint-icon{color:var(--color-text-dim);text-align:center;width:20px;font-size:16px}.import-file-btn:hover .drop-hint-icon{color:var(--color-accent)}.drop-hint-text-small{color:var(--color-text-muted);text-align:center;margin-top:6px;padding-bottom:4px;font-size:10px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}