.login-card, .register-card {
    border: none;
    border-radius: 18px;
    box-shadow: 0 4px 32px rgba(80, 60, 30, 0.08);
    background: #fff;
}

.login-header, .register-header {
    background: linear-gradient(90deg, #46250A 0%, #4caf50 100%);
    color: #fff;
    border-radius: 18px 18px 0 0;
    padding: 2rem 1rem 1rem 1rem;
    text-align: center;
}

.login-title, .register-title {
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 2rem;
}

.login-btn, .register-btn {
    background: #4caf50;
    border-color: #4caf50;
    color: #fff;
    font-weight: 600;
    transition: background 0.2s;
}

    .login-btn:hover, .login-btn:focus,
    .register-btn:hover, .register-btn:focus {
        background: #388e3c;
        border-color: #388e3c;
        color: #fff;
    }

.btn-soil {
    background: #46250A;
    border-color: #46250A;
    color: #fff;
    font-weight: 600;
}

    .btn-soil:hover, .btn-soil:focus {
        background: #2e1706;
        border-color: #2e1706;
        color: #fff;
    }

.login-link, .register-link {
    opacity: 0.7;
    font-size: 0.95rem;
}