*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:#333;background-color:#f5f5f5}#root{min-height:100vh;background-color:#f5f5f5}a{color:#007bff;text-decoration:none}a:hover{text-decoration:underline}input,textarea,select{font-family:inherit;border:1px solid #ddd;border-radius:4px}input:focus,textarea:focus,select:focus{outline:none;border-color:#007bff}button{font-family:inherit;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}