.auth-container {
    min-height: 85vh;
    padding-top: 40px;
    padding-bottom: 40px;
}

.auth-card {
    background-color: #fff;
    border-radius: 16px;
    width: 100%;
    max-width: 460px;
    transition: all 0.3s ease;
    border-top: 6px solid #422a72; /* acento superior */
}

    .auth-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    }

    .auth-card h4,
    .auth-card h3 {
        color: #333;
        font-weight: 600;
    }

    .auth-card .form-label {
        font-weight: 500;
        color: #444;
    }

    .auth-card .form-control {
        border-radius: 10px;
        border: 1px solid #ced4da;
        padding: 10px 12px;
        transition: 0.2s ease-in-out;
    }

        .auth-card .form-control:focus {
            border-color: #de3d33;
            box-shadow: 0 0 0 0.2rem rgba(222, 61, 51, 0.25);
        }

    .auth-card .btn-register {
        background: linear-gradient(to right, #422a72, #de3d33);
        border: none;
        font-weight: 500;
        border-radius: 10px;
        padding: 10px;
        transition: 0.3s ease;
        color: #fff;
    }

        .auth-card .btn-register:hover {
            background: linear-gradient(to right, #3a2466, #c9362e);
        }

.auth-link {
    color: #555;
    font-size: 0.95rem;
}

    .auth-link a {
        color: #422a72;
        font-weight: 600;
    }

        .auth-link a:hover {
            text-decoration: underline;
        }