2dc75107d1
CSS animations for smoother 60fps feel despite 7Hz game ticks: - 130ms transitions on cell background/box-shadow - Head pop-in animation on direction changes - Food pulse animation - Smooth death state fade with grayscale Per-snake colored glow on head cells. Make server port configurable via PORT env var (default 8080). Add deploy/ with systemd service and scripts: - setup.sh: create games user, /opt/c4, install unit - deploy.sh: build and install binary, restart service - package.sh: cross-compile, tarball, base64 split for transfer - reassemble.sh: decode and extract on target server