.card-container {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
}

.premium-card {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    background: white;
    flex: 1;
    min-width: 280px;
    max-width: 400px;
}

    .premium-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    }

/* Header Sections */
.card-header {
    padding: 24px 20px;
    text-align: center;
    position: relative;
}

.register-header {
    background: linear-gradient(135deg, #234d7b 0%, #5c7fae 100%);
    color: white;
}

.login-header {
    background: linear-gradient(135deg, #5c7fae 0%, #234d7b 100%);
    color: white;
}

.card-icon {
    background: rgba(255,255,255,0.2);
    border-radius: 12px;
    padding: 12px;
    display: inline-block;
    margin-bottom: 12px;
    backdrop-filter: blur(10px);
}

    .card-icon i {
        font-size: 32px;
        display: block;
    }

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.3;
}

/* Content */
.card-content {
    padding: 20px;
    text-align: center;
}

.card-description {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.emphasis-text {
    color: #334155;
    font-weight: 500;
}

/* Actions */
.card-action {
    padding: 20px;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

.action-btn {
    width: 100%;
    border-radius: 8px;
    text-transform: none;
    font-size: 0.9rem;
    height: 44px;
    line-height: 44px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-register {
    background: linear-gradient(135deg, #234d7b 0%, #5c7fae 100%);
    text-transform: uppercase;
}

.btn-login {
    background: linear-gradient(135deg, #5c7fae 0%, #234d7b 100%);
    text-transform: uppercase;
}

.action-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Responsive Design with Materialize only */
.btn-icon {
    font-size: 18px;
}

/* Subtle animations */
.premium-card {
    animation: fadeInUp 0.6s ease-out;
}

    .premium-card:nth-child(2) {
        animation-delay: 0.2s;
    }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}