:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#07080f;color:#fafafa;overflow:hidden}.game-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 30%,#12142a,#07080f 70%)}.game-wrapper{display:flex;flex-direction:column;align-items:center;gap:12px}.game-canvas{border:2px solid rgba(255,255,255,.08);border-radius:12px;box-shadow:0 0 40px #f39c1214,0 0 80px #2ecc710d,inset 0 0 30px #0000004d;outline:none;cursor:crosshair;image-rendering:crisp-edges}.game-canvas:focus{border-color:#f39c1240;box-shadow:0 0 40px #f39c1226,0 0 80px #2ecc7114,inset 0 0 30px #0000004d}.controls-hint{display:flex;gap:20px;font-size:12px;color:#ffffff59;letter-spacing:.03em}.controls-hint kbd{display:inline-block;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:#ffffff80;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:4px}@media(max-width:960px){.game-canvas{width:100vw;height:auto;border-radius:0}.controls-hint{flex-wrap:wrap;justify-content:center;padding:0 12px}}