body { margin: 0; background: #1b5e3a; color: white; font-family: sans-serif; text-align: center; }
h1 { margin: 8px 0 0; }
#score { font-size: 24px; margin: 6px; }
canvas { background: #2e8b57; border: 4px solid white; max-width: 95vw; max-height: 70vh; touch-action: none; }
#aide { font-size: 14px; }