*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f4f6f8}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{width:100%;max-width:400px;background:#fff;border-radius:12px;padding:30px;box-shadow:0 10px 30px #00000014}.auth-card h1,.auth-card h2{text-align:center}.auth-card input{width:100%;padding:12px;margin-bottom:12px;border:1px solid #ccc;border-radius:7px}.auth-card button{width:100%;padding:12px;border:none;border-radius:7px;cursor:pointer}.error{color:#c62828}