/* ========================================
   Tours Page Styles
   ======================================== */

.page-header {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    text-align: center;
    overflow: hidden;
}

.page-header h1 {
    color: var(--color-white);
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.95;
    position: relative;
    z-index: 2;
}

/* Tour Categories */
.tour-categories {
    background-color: var(--color-white);
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 76px;
    z-index: 100;
}

.category-tabs {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.category-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--color-light-gray);
    background-color: var(--color-white);
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 1rem;
    font-family: var(--font-sans);
}

.category-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.category-tab.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border-color: transparent;
}

/* Tours Section */
.tours-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-light-gray);
}

.tours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

/* Loading State */
.loading-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xxl) 0;
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-md);
    border: 4px solid var(--color-light-gray);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xxl) 0;
}

.empty-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* Tour Card */
.tour-card {
    background-color: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
}

.tour-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.tour-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent), var(--color-dancheong-yellow));
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.tour-image {
    height: 250px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.tour-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(74, 155, 142, 0.9), rgba(74, 124, 89, 0.9));
}

.tour-icon {
    font-size: 5rem;
    opacity: 0.5;
}

.tour-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.tour-title {
    font-size: 1.5rem;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.tour-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    flex-grow: 1;
}

.tour-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-light-gray);
}

.tour-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.tour-duration::before {
    content: '⏱️';
}

.tour-category-label {
    background-color: var(--color-light-gray);
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 600;
}

.tour-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tour-pdf-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

/* Category-specific colors */
.tour-card[data-category="culture"] .tour-category-label {
    background-color: #FFE5E5;
    color: var(--color-dancheong-red);
}

.tour-card[data-category="innovation"] .tour-category-label {
    background-color: #E5F3FF;
    color: var(--color-dancheong-blue);
}

.tour-card[data-category="education"] .tour-category-label {
    background-color: #FFF8E5;
    color: var(--color-dancheong-yellow);
}

.tour-card[data-category="custom"] .tour-category-label {
    background-color: #E5FFEE;
    color: var(--color-forest-green);
}

/* Responsive */
@media (max-width: 768px) {
    .tours-grid {
        grid-template-columns: 1fr;
    }
    
    .category-tabs {
        gap: var(--spacing-xs);
    }
    
    .category-tab {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .tour-card {
        border-radius: 12px;
    }
    
    .tour-image {
        height: 200px;
    }
    
    .tour-actions {
        gap: var(--spacing-xs);
    }
    
    .tour-actions .btn {
        font-size: 0.9rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
}