/* Premium System Styles */

/* Premium Badge */
.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #000;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.premium-badge i {
    font-size: 0.9rem;
}

/* Premium User Indicator */
.user-premium-badge {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #000;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 8px;
}

/* Locked Exam Card */
.exam-card.locked {
    position: relative;
    opacity: 0.7;
    cursor: not-allowed !important;
}

.exam-card.locked::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    z-index: 1;
}

.exam-card.locked .lock-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.exam-card.locked .lock-overlay i {
    font-size: 2.5rem;
    color: #ffd700;
    margin-bottom: 10px;
}

.exam-card.locked .lock-overlay p {
    margin: 0;
    font-weight: 600;
    color: #333;
}

/* Premium Upgrade Modal */
.premium-upgrade-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.premium-upgrade-modal.active {
    display: flex;
}

.premium-modal-content {
    background: white;
    border-radius: 30px;
    padding: 50px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }

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

.premium-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #f1f5f9;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    color: #64748b;
    transition: all 0.3s ease;
}

.premium-modal-close:hover {
    background: #e2e8f0;
    color: #334155;
}

.premium-modal-header {
    text-align: center;
    margin-bottom: 30px;
}

.premium-modal-header .crown-icon {
    font-size: 4rem;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
}

.premium-modal-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 10px;
}

.premium-modal-header p {
    font-size: 1.1rem;
    color: #64748b;
}

.premium-benefits-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.premium-benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    background: #f8fafc;
    border-radius: 12px;
    margin-bottom: 12px;
}

.premium-benefit-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.premium-benefit-content h4 {
    margin: 0 0 5px 0;
    font-size: 1rem;
    font-weight: 700;
    color: #0f172a;
}

.premium-benefit-content p {
    margin: 0;
    font-size: 0.9rem;
    color: #64748b;
}

.premium-modal-cta {
    text-align: center;
    margin-top: 30px;
}

.btn-upgrade-premium {
    display: inline-block;
    padding: 18px 40px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    border-radius: 15px;
    font-size: 1.3rem;
    font-weight: 700;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-upgrade-premium:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    color: white;
}

.premium-price-tag {
    display: inline-block;
    background: #f0fdf4;
    color: #166534;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    margin-top: 15px;
    border: 2px solid #86efac;
}

/* Premium Section on Homepage */
.premium-features-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0;
    color: white;
}

.premium-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.premium-feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.premium-feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.premium-feature-card i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #ffd700;
}

.premium-feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.premium-feature-card p {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Premium Dashboard Widget */
.premium-status-widget {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    border-radius: 20px;
    padding: 25px;
    color: #000;
    margin-bottom: 30px;
}

.premium-status-widget h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.premium-status-widget .expiry-date {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.premium-status-widget .days-remaining {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .premium-modal-content {
        padding: 30px 20px;
    }

    .premium-modal-header h2 {
        font-size: 2rem;
    }

    .premium-features-grid {
        grid-template-columns: 1fr;
    }
}