:root{color-scheme:light;font-family:system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#f4f4f4}#app{display:flex;flex-direction:column;height:100vh}#toolbar{padding:.5rem 1rem;background:#222;color:#fff;display:flex;align-items:center;gap:1.5rem}#toolbar h1{margin:0;font-size:1rem;font-weight:600}#file-controls{margin-left:auto;display:flex;align-items:center;gap:.5rem}#file-controls button,#file-controls select{padding:.3rem .7rem;background:#444;color:#fff;border:1px solid #666;border-radius:4px;cursor:pointer;font-size:.85rem}#file-controls button:hover,#file-controls select:hover{background:#555}#file-controls select{max-width:160px}.header-divider{width:1px;height:20px;background:#555}#plan-wrap{flex:0 0 55%;min-height:150px;padding:1rem;display:flex;gap:1rem}.canvas-wrap{position:relative;flex:1 1 auto;min-width:0;min-height:0}#plan-canvas,#preview-3d-canvas{width:100%;height:100%;display:block;border:1px solid #ccc}.corner-controls{position:absolute;bottom:12px;right:12px;z-index:10;display:flex;flex-direction:column;align-items:center;gap:6px}.tool-controls,.zoom-controls{display:flex;flex-direction:column;align-items:center;gap:4px}.control-divider{width:22px;height:1px;background:#ccc}.corner-controls button{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;border:1px solid #999;background:#fff;color:#333;font-size:1rem;line-height:1;cursor:pointer;box-shadow:0 1px 3px #0003}.corner-controls button:hover{background:#f0f0f0}.tool-controls button.active{background:#2b6cb0;border-color:#2b6cb0;color:#fff}.tool-controls button svg{width:18px;height:18px}#divider{flex:0 0 6px;background:#ccc;cursor:row-resize;touch-action:none}#divider:hover,#divider:active{background:#999}#edit-panel{position:absolute;z-index:20;width:236px;max-height:calc(100% - 24px);background:#fff;border:1px solid #ccc;border-radius:4px;padding:.75rem .8rem .85rem;display:flex;flex-direction:column;gap:.55rem;overflow-y:auto;box-shadow:0 2px 8px #00000026}.hidden{display:none!important}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:8px;min-width:0}.panel-title{margin:0;font-size:.92rem;font-weight:700;color:#222;min-width:0}.chip-row{display:flex;flex-wrap:wrap;gap:4px;margin-top:-2px}.chip{display:inline-flex;align-items:center;gap:4px;font-size:.64rem;font-weight:600;text-transform:uppercase;letter-spacing:.02em;padding:2px 7px;border-radius:99px;background:#eef2f6;color:#556;white-space:nowrap}.chip .dot{width:6px;height:6px;border-radius:50%;background:#90a0ac;flex:0 0 auto}.chip.connected{background:#e7f6ee;color:#1f7a4d}.chip.connected .dot{background:#34a853}.chip.disconnected{background:#fdecea;color:#a94442}.chip.disconnected .dot{background:#d9534f}.icon-btn{flex:0 0 auto;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border:1px solid transparent;background:transparent;border-radius:4px;color:#7a7a7a;cursor:pointer}.icon-btn:hover{background:#fdecea;color:#c0392b;border-color:#f3c9c4}.icon-btn svg{width:17px;height:17px;display:block}#edit-panel-fields{display:flex;flex-direction:column;gap:.55rem}.field-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}.field-row.single{grid-template-columns:minmax(0,1fr)}.field-row.single .field-compact{max-width:50%}.field-compact{position:relative;display:flex;align-items:center;min-width:0;height:30px;padding:0 7px;border:1px solid #ccc;border-radius:4px;background:#fff}.field-compact:focus-within{border-color:#2b6cb0;box-shadow:0 0 0 2px #2b6cb026}.field-prefix{flex:0 0 auto;font-size:.64rem;font-weight:700;text-transform:uppercase;color:#96a0a6;letter-spacing:.01em;margin-right:5px;min-width:1.1em;display:flex;align-items:center}.field-prefix svg{width:13px;height:13px}.field-compact input{flex:1 1 auto;min-width:0;width:100%;border:none;outline:none;background:transparent;font-size:.85rem;text-align:right;padding:0;color:#222}.field-suffix{flex:0 0 auto;font-size:.66rem;color:#a3a3a3;margin-left:4px}.field-compact.text-field input{text-align:left}.field-compact.name-field{width:100%}.field-compact.name-field .field-prefix{min-width:2.6em}.field-compact.color-field input[type=color]{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:20px;border:none;border-radius:3px;padding:0;cursor:pointer;background:none}.field-compact.color-field input[type=color]::-webkit-color-swatch-wrapper{padding:0}.field-compact.color-field input[type=color]::-webkit-color-swatch{border:1px solid #ccc;border-radius:3px}.field-compact.color-field input[type=color]::-moz-color-swatch{border:1px solid #ccc;border-radius:3px}.field-compact.range-field{width:100%}.field-compact.range-field input[type=range]{flex:1 1 auto;accent-color:#2b6cb0;cursor:pointer}.field-compact.range-field .field-suffix{min-width:2.2em;text-align:right}.field-row.rotation-field{align-items:center}.field-row.rotation-field .field-compact{max-width:50%}.field-row.rotation-field .icon-btn{justify-self:start;border:1px solid #ccc;color:#556}.field-row.rotation-field .icon-btn:hover{background:#eef4fa;color:#2b6cb0;border-color:#a9c6e0}.group-label{font-size:.64rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:#99a3a9;margin:2px 0 -2px}.segmented{display:flex;border:1px solid #ccc;border-radius:4px;overflow:hidden;margin-top:6px}.segmented button{flex:1 1 0;border:none;border-right:1px solid #ccc;background:#fff;color:#556;font-size:.72rem;font-family:inherit;padding:6px 3px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:4px;line-height:1.1}.segmented button:last-child{border-right:none}.segmented button.active{background:#2b6cb0;color:#fff;font-weight:600}.segmented button svg{width:13px;height:13px;flex:0 0 auto}.segmented.three button{font-size:.66rem;padding:6px 2px}.conditional-group{display:flex;flex-direction:column;gap:6px;padding:7px 8px 8px;background:#f7f9fa;border:1px solid #e6eaec;border-radius:4px}.secondary-group{border-top:1px solid #eee;padding-top:6px;margin-top:1px}.secondary-group summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:.7rem;font-weight:600;color:#8b959b;text-transform:uppercase;letter-spacing:.02em;padding:2px 0}.secondary-group summary::-webkit-details-marker{display:none}.secondary-group summary .chev{width:12px;height:12px;color:#b0b8bc;transition:transform .15s ease}.secondary-group[open] summary .chev{transform:rotate(180deg)}.secondary-group .field-row{margin-top:7px}#preview-3d-wrap{flex:1 1 auto;min-height:150px;padding:1rem;background:#e8e8e8;display:flex}