*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg: #09090b;--surface: #18181b;--surface-2: #27272a;--border: rgba(255,255,255,.08);--text: #fafafa;--text-muted: #a1a1aa;--text-subtle: #71717a;--accent: #a855f7;--accent-dim: rgba(168,85,247,.15);--accent-glow: rgba(168,85,247,.3);--glass-bg: rgba(24,24,27,.85);--font-body: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--radius: 8px;--radius-sm: 5px}html,body{height:100%;font-family:var(--font-body);background:var(--bg);color:var(--text);overflow:hidden}#app{display:flex;width:100vw;height:100vh;align-items:stretch;gap:0}#canvas-wrap{position:relative;flex:1;display:flex;align-items:center;justify-content:center;background:#000;overflow:hidden}#render-canvas{display:block;max-width:100%;max-height:100%;width:auto;height:auto;aspect-ratio:640 / 480;image-rendering:pixelated;image-rendering:crisp-edges}#sample-counter{position:absolute;top:12px;left:12px;display:flex;align-items:center;gap:10px;padding:6px 10px;background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:11px;color:var(--text-muted);pointer-events:none}#sample-count{color:var(--accent);font-weight:500}#render-state{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:13px;color:var(--text-muted);font-family:var(--font-mono);pointer-events:none;transition:opacity .4s}#render-state.hidden{opacity:0}#controls{width:240px;flex-shrink:0;background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--surface-2) transparent}.panel-header{padding:16px 16px 12px;border-bottom:1px solid var(--border)}.panel-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--text);letter-spacing:-.01em}.panel-subtitle{margin-top:3px;font-size:11px;color:var(--text-subtle);font-family:var(--font-mono)}.panel-section{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:10px}.section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-subtle)}.material-radios{display:flex;flex-direction:column;gap:6px}.radio-label{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer;padding:4px 6px;border-radius:var(--radius-sm);transition:background .15s}.radio-label:hover{background:var(--surface-2)}.radio-label input[type=radio]{display:none}.radio-dot{width:12px;height:12px;border-radius:50%;border:2px solid var(--border);transition:border-color .15s,box-shadow .15s}.radio-label input[type=radio]:checked+.radio-dot{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-dim)}.radio-dot.matte{background:#8264dc4d}.radio-dot.metal{background:#c8b46480}.radio-dot.glass{background:#b4dcff33}.color-sliders{display:flex;flex-direction:column;gap:6px}.slider-row{display:grid;grid-template-columns:14px 1fr 28px;align-items:center;gap:8px}.slider-row label{font-size:11px;font-weight:600;font-family:var(--font-mono);color:var(--text-subtle)}.slider{-webkit-appearance:none;appearance:none;height:4px;border-radius:2px;background:var(--surface-2);outline:none;cursor:pointer}.slider-r{accent-color:#ef4444}.slider-g{accent-color:#22c55e}.slider-b{accent-color:#60a5fa}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:12px;height:12px;border-radius:50%;cursor:pointer}.slider-r::-webkit-slider-thumb{background:#ef4444}.slider-g::-webkit-slider-thumb{background:#22c55e}.slider-b::-webkit-slider-thumb{background:#60a5fa}.slider-val{font-size:10px;font-family:var(--font-mono);color:var(--text-subtle);text-align:right}.btn{font-family:var(--font-body);font-size:13px;font-weight:500;padding:8px 12px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:all .15s;text-align:center;white-space:nowrap}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:#9333ea;border-color:#9333ea;box-shadow:0 0 12px var(--accent-glow)}.btn-ghost{background:transparent;color:var(--text-muted);border-color:var(--border);width:100%}.btn-ghost:hover{background:var(--surface-2);color:var(--text)}.btn-sm{padding:5px 10px;font-size:12px}.preset-buttons{display:flex;gap:6px}.preset-btn{flex:1;background:var(--surface-2);color:var(--text-muted);border-color:var(--border)}.preset-btn:hover,.preset-btn.active{background:var(--accent-dim);color:var(--accent);border-color:var(--accent)}.panel-footer{margin-top:auto;padding:12px 16px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px}.stat-row{display:flex;justify-content:space-between;align-items:center;font-size:11px}.stat-label{color:var(--text-subtle)}.stat-value{color:var(--text-muted)}.mono{font-family:var(--font-mono)}#color-section.hidden{opacity:.35;pointer-events:none}