:root{--bg-window:#121214bf;--bg-card:#1e1e2399;--border-color:#ffffff12;--text-main:#f3f4f6;--text-muted:#9ca3af;--primary:#3b82f6;--primary-glow:#3b82f64d;--danger:#ef4444;--danger-hover:#dc2626;--success:#10b981;--font-stack:"Segoe UI", system-ui, -apple-system, sans-serif}body{font-family:var(--font-stack);-webkit-font-smoothing:antialiased;background-color:#0f0f11;margin:0;overflow:hidden}canvas{outline:none;display:block}#ui-container{color:var(--text-main);background:var(--bg-window);-webkit-backdrop-filter:blur(20px);pointer-events:auto;-webkit-user-select:none;user-select:none;border:1px solid var(--border-color);border-radius:16px;width:290px;max-height:calc(100vh - 40px);padding:18px;position:absolute;top:20px;left:20px;overflow-y:auto;box-shadow:0 20px 50px #00000080}#ui-container::-webkit-scrollbar{width:4px}#ui-container::-webkit-scrollbar-track{background:0 0}#ui-container::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}.studio-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;display:flex}.studio-header h2{color:#fff;letter-spacing:2px;margin:0;font-size:.85em;font-weight:800}.version-tag{color:var(--text-muted);background:#ffffff1a;border-radius:20px;padding:2px 6px;font-size:.65em}.section{background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;margin-bottom:10px;overflow:hidden}.collapsible-header{cursor:pointer;background:#ffffff05;justify-content:space-between;align-items:center;padding:12px 14px;font-size:.8em;font-weight:600;transition:background .2s;display:flex}.collapsible-header:hover{background:#ffffff0d}.collapsible-header .arrow{color:var(--text-muted);font-size:16px;transition:transform .2s}.section.collapsed .collapsible-content{display:none}.section.collapsed .arrow{transform:rotate(-90deg)}.collapsible-content{border-top:1px solid var(--border-color);padding:14px}.tool-group{gap:6px;display:flex}.tool-btn{border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;font-size:.7em;font-family:var(--font-stack);background:#ffffff08;border-radius:8px;flex-direction:column;flex:1;align-items:center;gap:6px;padding:10px 0;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.tool-btn span{font-size:18px}.tool-btn:hover{color:#fff;background:#ffffff12}.tool-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 0 12px var(--primary-glow)}.inventory{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.inv-item{aspect-ratio:1;border:1px solid var(--border-color);cursor:pointer;color:var(--text-muted);background:#ffffff08;border-radius:8px;justify-content:center;align-items:center;font-size:.65em;transition:all .2s;display:flex}.inv-item:hover{color:#fff;background:#ffffff14;border-color:#fff3}.inv-item.active{color:#000;background:#fff;border-color:#fff;font-weight:700}.color-picker{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.color-swatch{aspect-ratio:1;cursor:pointer;border:2px solid #0000;border-radius:50%;transition:transform .15s,border-color .15s;position:relative;box-shadow:inset 0 2px 4px #0000004d}.color-swatch:hover{transform:scale(1.1)}.color-swatch.active{border-color:#fff;transform:scale(1.05);box-shadow:0 0 10px #fff6}.control-row{margin-bottom:12px}.control-row:last-child{margin-bottom:0}.control-label{color:var(--text-muted);justify-content:space-between;margin-bottom:5px;font-size:.72em;display:flex}.val-display{color:var(--primary);font-family:monospace;font-weight:600}input[type=range]{-webkit-appearance:none;cursor:pointer;background:#ffffff1a;border-radius:2px;outline:none;width:100%;height:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:#fff;border-radius:50%;width:12px;height:12px;transition:transform .1s;box-shadow:0 0 4px #00000080}input[type=range]::-webkit-slider-thumb:hover{background:var(--primary);transform:scale(1.2)}input[type=color]{border:1px solid var(--border-color);cursor:pointer;background:0 0;border-radius:6px;width:100%;height:28px;padding:0}.checkbox-wrapper{flex-direction:column;gap:8px;margin-bottom:14px;display:flex}.switch-row{cursor:pointer;color:var(--text-muted);align-items:center;gap:10px;font-size:.72em;display:flex}.switch-row input{display:none}.switch-slider{background:#ffffff1a;border-radius:20px;width:28px;height:16px;transition:background .2s;display:inline-block;position:relative}.switch-slider:before{content:"";background:#fff;border-radius:50%;width:12px;height:12px;transition:transform .2s;position:absolute;bottom:2px;left:2px}input:checked+.switch-slider{background:var(--primary)}input:checked+.switch-slider:before{transform:translate(12px)}input:checked~.label-text{color:var(--text-main)}.divider{background:var(--border-color);height:1px;margin:14px 0}.action-btns{grid-template-columns:1fr 1fr;gap:8px;margin-top:14px;display:grid}.btn-action{font-family:var(--font-stack);cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:10px;font-size:.72em;font-weight:600;transition:background .2s,transform .1s;display:flex}.btn-action span{font-size:16px}.btn-action:active{transform:scale(.98)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:#2563eb}.btn-secondary{color:var(--text-main);border:1px solid var(--border-color);background:#ffffff0f}.btn-secondary:hover{background:#ffffff1a}.btn-danger{color:#f87171;background:#ef444426;border:1px solid #ef444433;grid-column:span 2}.btn-danger:hover{background:var(--danger);color:#fff}.hint{border:1px solid var(--border-color);background:#0003;border-radius:8px;margin-top:16px;padding:12px}.hint-header{color:#fff;text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:6px;margin-bottom:8px;font-size:.7em;font-weight:700;display:flex}.hint-header span{color:var(--primary);font-size:14px}.hint ul{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.hint li{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:.68em;display:flex}kbd{color:#fff;background:#ffffff1a;border-bottom:2px solid #0000004d;border-radius:4px;padding:2px 5px;font-family:monospace;font-size:.95em}