:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg-dark: #111111;--bg-panel: rgba(30, 30, 30, .85);--accent: #646cff;--text-main: #ffffff;--text-muted: #aaaaaa;--border: #333}body,html{margin:0;padding:0;width:100vw;height:100vh;background-color:var(--bg-dark);color:var(--text-main);font-family:Inter,system-ui,sans-serif;overflow:hidden}.app-layout{display:flex;width:100vw;height:100vh}.viewport{flex-grow:1;position:relative}.loader{display:flex;justify-content:center;align-items:center;height:100vh;font-size:1.5rem;color:var(--accent)}.stats-overlay{position:absolute;top:20px;left:20px;background:#00000080;padding:8px 12px;border-radius:8px;font-size:.8rem;display:flex;gap:15px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);pointer-events:none}.sidebar{width:320px;background:var(--bg-panel);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-left:1px solid var(--border);padding:24px;display:flex;flex-direction:column;gap:20px;z-index:10;box-shadow:-4px 0 20px #0000004d}.sidebar-header h2{margin:0;font-size:1.4rem;font-weight:700;letter-spacing:-.5px}.sidebar-header p{margin:4px 0 0;color:var(--text-muted);font-size:.85rem}.control-group{display:flex;flex-direction:column;gap:8px}.control-group label{font-size:.85rem;color:var(--text-muted);font-weight:500}input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}hr{border:0;border-top:1px solid var(--border);width:100%}.texture-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.texture-btn{width:100%;aspect-ratio:1;border-radius:8px;border:2px solid transparent;background-size:cover;background-position:center;cursor:pointer;transition:all .2s}.texture-btn:hover{transform:scale(1.05)}.texture-btn.active{border-color:var(--accent);box-shadow:0 0 10px #646cff66}.action-buttons{margin-top:auto;display:flex;flex-direction:column;gap:10px}.spawn-btn{background:#2a2a2a;border:1px solid #333;color:#fff;padding:12px;border-radius:8px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:background .2s}.spawn-btn:hover{background:#333}.spawn-btn.active{background:var(--accent);border-color:var(--accent)}.row-btns{display:grid;grid-template-columns:1fr 1fr;gap:10px}.toggle-btn,.clear-btn{padding:10px;border-radius:8px;border:none;font-weight:600;cursor:pointer}.toggle-btn{background:var(--accent);color:#fff}.toggle-btn.active{background:#e6a23c}.clear-btn{background:#ff4757;color:#fff}.crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:24px;pointer-events:none;-webkit-user-select:none;user-select:none}.start-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0009;display:flex;flex-direction:column;justify-content:center;align-items:center;color:#fff;z-index:5;pointer-events:none}.engine-layout{width:100vw;height:100vh;display:flex;flex-direction:column}.toolbar{height:50px;background:#222;display:flex;align-items:center;padding:0 20px;gap:15px;color:#fff;border-bottom:1px solid #444}.toolbar button{background:#444;border:none;color:#fff;padding:5px 15px;border-radius:4px;cursor:pointer}.toolbar button:hover{background:#555}.divider{width:1px;height:30px;background:#555;margin:0 10px}