:root{--bg: #06060a;--panel: rgba(18, 18, 28, .72);--panel-solid: #12121c;--border: rgba(255, 255, 255, .09);--border-strong: rgba(255, 255, 255, .16);--text: #e7e7ef;--muted: #8a8aa0;--accent: #2dd4bf;--accent-dim: rgba(45, 212, 191, .15);--radius: 14px;--mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--sans);overflow:hidden;-webkit-font-smoothing:antialiased}#stage{position:fixed;inset:0;display:block;width:100vw;height:100vh;cursor:crosshair}#panel{position:fixed;top:16px;left:16px;width:320px;max-height:calc(100vh - 32px);display:flex;flex-direction:column;background:var(--panel);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 20px 60px #0000008c;z-index:10;transition:transform .32s cubic-bezier(.4,0,.2,1)}#panel.collapsed{transform:translate(calc(-100% - 24px))}.panel-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 12px;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:baseline;gap:8px}.brand h1{font-size:16px;font-weight:700;letter-spacing:.22em;text-transform:uppercase}.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);align-self:center}.brand small{color:var(--muted);font-size:10px;letter-spacing:.18em;text-transform:uppercase}.head-btn{width:26px;height:26px;border-radius:7px;background:#ffffff0d;border:1px solid var(--border);color:var(--muted);font-size:16px;line-height:1;cursor:pointer;transition:all .15s}.head-btn:hover{color:var(--text);border-color:var(--border-strong)}.panel-body{overflow-y:auto;padding:14px 18px 18px;display:flex;flex-direction:column;gap:18px}.panel-body::-webkit-scrollbar{width:8px}.panel-body::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:8px}.section-label{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.presets{display:flex;flex-wrap:wrap;gap:6px}.chip{font-family:var(--sans);font-size:12px;color:var(--text);background:#ffffff0d;border:1px solid var(--border);border-radius:999px;padding:6px 12px;cursor:pointer;transition:all .15s}.chip:hover{border-color:var(--border-strong);background:#ffffff17}.chip.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.matrix-hint{font-size:11px;color:var(--muted);margin-bottom:10px;line-height:1.5}.matrix{display:grid;gap:3px;touch-action:none}.swatch{border-radius:4px}.swatch.corner{background:transparent}.swatch.head{box-shadow:0 0 8px currentColor}.cell{position:relative;aspect-ratio:1;border-radius:5px;cursor:ns-resize;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:9px;color:#ffffffd9;border:1px solid rgba(255,255,255,.08);user-select:none;touch-action:none}.slider{margin-bottom:14px}.slider:last-child{margin-bottom:0}.slider-row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}.slider-row label{font-size:12px;color:var(--text)}.slider-row .val{font-family:var(--mono);font-size:12px;color:var(--accent)}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;background:#ffffff1f;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:15px;height:15px;border-radius:50%;background:var(--accent);cursor:pointer;box-shadow:0 0 10px #2dd4bf99}input[type=range]::-moz-range-thumb{width:15px;height:15px;border:none;border-radius:50%;background:var(--accent);cursor:pointer}.btn-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.btn{font-family:var(--sans);font-size:12px;font-weight:500;color:var(--text);background:#ffffff0d;border:1px solid var(--border);border-radius:9px;padding:9px 10px;cursor:pointer;transition:all .15s}.btn:hover{border-color:var(--border-strong);background:#ffffff1a}.btn:active{transform:scale(.97)}.btn.primary{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.btn.full{grid-column:1 / -1}#toggle{position:fixed;top:16px;left:16px;z-index:11;width:40px;height:40px;border-radius:10px;background:var(--panel);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--border);color:var(--text);font-size:18px;cursor:pointer;display:none;align-items:center;justify-content:center}#panel.collapsed~#toggle{display:flex}#hud{position:fixed;bottom:14px;right:16px;z-index:10;font-family:var(--mono);font-size:11px;color:var(--muted);background:var(--panel);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:8px;padding:6px 10px;display:flex;gap:12px;pointer-events:none}#hud b{color:var(--accent);font-weight:600}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(20px);z-index:20;background:var(--panel-solid);border:1px solid var(--accent);color:var(--accent);font-size:13px;padding:10px 18px;border-radius:999px;opacity:0;pointer-events:none;transition:all .3s}#toast.show{opacity:1;transform:translate(-50%) translateY(0)}@media (max-width: 520px){#panel{width:calc(100vw - 32px)}}