body {
    background: linear-gradient(to bottom, #f0f7ff, #e6f0ff);
    font-family: Inter, sans-serif;
}

.auth-box {
    width: 100%;
    max-width: 380px;
    margin: 100px auto;
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    text-align: center;
}

.auth-box h2 {
    margin-bottom: 20px;
}

.auth-box input {
    width: 100%;
    padding: 12px;
    margin-bottom: 12px;
    border-radius: 10px;
    border: 1px solid #ddd;
}

.auth-box button {
    width: 100%;
    padding: 12px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
}

.auth-box a {
    color: #2563eb;
    text-decoration: none;
}

.error {
    color: red;
    margin-bottom: 10px;
}