html, body { margin: 0; height: 100%; background: #14161b; color: #ddd; font-family: system-ui, sans-serif; overflow: hidden; }
#hud { padding: 12px 16px; font-size: 20px; font-variant-numeric: tabular-nums; }
#board { display: flex; flex-direction: column; align-items: center; gap: 24px; padding-top: 10vh; }
#tap { font-size: 22px; padding: 18px 36px; border-radius: 12px; border: 0; background: #3a6df0; color: #fff; touch-action: manipulation; }
#hand { display: flex; gap: 8px; min-height: 140px; }
#build { position: fixed; right: 6px; bottom: 4px; font: 11px monospace; color: #666; pointer-events: none; }