/* Clean Vercel / GitHub Dark Minimalist Theme */
* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
body { background-color: #0d1117; color: #c9d1d9; padding: 12px; min-height: 100vh; }
.app-container { max-width: 480px; margin: 0 auto; }