:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;color:#1a1a1a;background:#f9fafb;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-height:100vh}input,button{font-family:inherit;font-size:14px;padding:8px 12px;border:1px solid #d1d5db;border-radius:4px;background:#fff}input:focus,button:focus{outline:2px solid #2563eb;outline-offset:1px}button{cursor:pointer;background:#2563eb;color:#fff;border-color:#2563eb}button:hover:not(:disabled){background:#1d4ed8}button:disabled{background:#9ca3af;border-color:#9ca3af;cursor:not-allowed}a{color:#2563eb}