: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:#0a0a0a;color:#fafafa}.shell{min-height:100vh;display:grid;place-items:center;padding:1rem}.game-card{background:#111827;color:#60a5fa;padding:20px;border-radius:14px;width:100%;max-width:480px}.game-header{text-align:center;margin-bottom:12px}.game-header h1{margin:0 0 4px;font-size:1.5rem;font-weight:700;letter-spacing:-.02em}.game-header p{margin:0;color:#60a5faa6;font-size:.85rem}.game-hud{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:#0006;border-radius:8px;margin-bottom:8px;font-size:.85rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.game-hud span{color:#60a5fa}.game-hud .lives{color:#f87171}.game-hud .level{color:#a78bfa}.game-canvas-wrap{position:relative;width:100%;aspect-ratio:3 / 4;background:#050a15;border-radius:8px;overflow:hidden;cursor:crosshair}.game-canvas-wrap canvas{display:block;width:100%;height:100%}.game-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#050a15d9;z-index:10;gap:12px}.game-overlay h2{margin:0;font-size:1.6rem;color:#60a5fa}.game-overlay p{margin:0;color:#60a5fab3;font-size:.9rem}.game-overlay .final-score{font-size:1.2rem;color:#fbbf24;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.game-btn{background:#2563eb;color:#fff;border:none;padding:10px 28px;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:background .15s}.game-btn:hover{background:#3b82f6}.game-controls{display:flex;justify-content:center;gap:8px;margin-top:10px;font-size:.75rem;color:#60a5fa80}.game-controls kbd{background:#60a5fa26;padding:2px 6px;border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#60a5fab3}