* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: #1a1a2e; color: #eee; min-height: 100vh; display: flex; flex-direction: column; align-items: center; padding: 1rem; }
header h1 { font-size: 2rem; color: #4ade80; margin-bottom: 1rem; }
.score-board { display: flex; gap: 1.5rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; justify-content: center; }
.score-board span { font-size: 1.1rem; }
.score-board b { color: #4ade80; }
.score-board button { background: #4ade80; color: #1a1a2e; border: none; padding: 0.5rem 1rem; border-radius: 4px; cursor: pointer; font-weight: bold; }
canvas { border: 2px solid #4ade80; border-radius: 8px; background: #0f172a; max-width: 100%; height: auto; }
.controls { margin-top: 1rem; color: #94a3b8; font-size: 0.9rem; }
footer { margin-top: 1rem; }
footer a { color: #4ade80; text-decoration: none; }