/**
 * Regulations Cards Styling
 * Modern card design for regulation documents
 */

/* Regulations Grid */
.regulations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

/* Regulation Card */
.regulation-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.regulation-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

/* Card Header */
.regulation-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.regulation-type-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.regulation-type-badge.pdf {
    background: #dc3545;
}

.regulation-type-badge.images {
    background: var(--secondary-color);
}

.regulation-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.regulation-status.upcoming {
    background: #e3f2fd;
    color: var(--primary-color);
}

.regulation-status.completed {
    background: #e8f5e8;
    color: #2e7d32;
}

/* Card Content */
.regulation-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.regulation-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.regulation-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.info-item svg {
    flex-shrink: 0;
    color: var(--primary-color);
}

.regulation-description {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.regulation-organizer {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

/* Card Actions */
.regulation-actions {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    margin-top: auto;
}

.regulation-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* Action Buttons */
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

.action-btn.primary {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.action-btn.primary:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    color: var(--text-white);
    transform: translateY(-1px);
}

.action-btn.secondary {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.action-btn.secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-1px);
}

.no-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* Content Type Indicators */
.content-type-indicator {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.content-type-pdf {
    background: #dc3545;
}

.content-type-images {
    background: var(--secondary-color);
}

.content-type-mixed {
    background: linear-gradient(45deg, #dc3545 50%, var(--secondary-color) 50%);
}

/* Image Preview */
.regulation-image-preview {
    position: relative;
    height: 200px;
    background: var(--bg-light);
    overflow: hidden;
}

.regulation-image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.regulation-card:hover .regulation-image-preview img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: end;
    padding: var(--spacing-md);
}

.image-count {
    color: var(--text-white);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* PDF Indicator */
.pdf-indicator {
    background: var(--bg-light);
    border: 2px dashed var(--border-light);
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
}

.pdf-icon {
    font-size: 2rem;
    color: #dc3545;
}

.pdf-text {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

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

.empty-state svg {
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

.empty-state p {
    font-size: var(--font-size-lg);
    max-width: 400px;
    margin: 0 auto;
}

/* Pagination */
.regulations-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl) 0;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    background: var(--bg-white);
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    font-size: var(--font-size-sm);
    cursor: pointer;
    gap: var(--spacing-xs);
}

.page-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.page-btn.prev,
.page-btn.next {
    padding: 0 var(--spacing-lg);
}

.pagination-ellipsis {
    padding: 0 var(--spacing-sm);
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .regulations-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .regulations-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .regulation-card {
        margin: 0;
    }
    
    .regulation-actions {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .regulation-buttons {
        justify-content: stretch;
    }
    
    .regulation-btn {
        flex: 1;
        justify-content: center;
    }
    
    .regulations-pagination {
        gap: var(--spacing-sm);
        flex-wrap: wrap;
    }
    
    .pagination-btn {
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 480px) {
    .regulation-header,
    .regulation-body,
    .regulation-footer {
        padding: var(--spacing-md);
    }
    
    .regulation-image-preview {
        height: 160px;
    }
    
    .regulation-title {
        font-size: var(--font-size-lg);
    }
}

/* Responsive Design for Large Screens */

/* FHD (Full HD) - 1920x1080 and above */
@media (min-width: 1920px) {
    .regulations-grid {
        grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
        gap: 2rem;
        margin: 0 auto var(--spacing-xxl) auto;
    }
    
    .regulation-card {
        border-radius: 16px;
    }
    
    .regulation-header {
        padding: 1.5rem;
    }
    
    .regulation-type-badge {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }
    
    .regulation-status {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .regulation-content {
        padding: 1.5rem;
    }
    
    .regulation-title {
        font-size: 1.375rem;
        margin-bottom: 1rem;
    }
    
    .regulation-info {
        gap: 0.75rem;
        margin-bottom: 1rem;
    }
    
    .info-item {
        font-size: 0.9rem;
    }
    
    .regulation-description {
        font-size: 0.9rem;
        margin-bottom: 1rem;
        -webkit-line-clamp: 4;
    }
    
    .regulation-organizer {
        font-size: 0.9rem;
        margin-bottom: 1.25rem;
    }
    
    .regulation-actions {
        padding: 0 1.5rem 1.5rem;
        gap: 0.75rem;
    }
    
    .action-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
        border-radius: 8px;
    }
    
    .page-btn {
        width: 48px;
        height: 48px;
        font-size: 1rem;
    }
}

/* QHD (Quad HD) - 2560x1440 and above */
@media (min-width: 2560px) {
    .regulations-grid {
        grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
        gap: 2.5rem;
        max-width: 2200px;
    }
    
    .regulation-card {
        border-radius: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    }
    
    .regulation-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    }
    
    .regulation-header {
        padding: 2rem;
    }
    
    .regulation-type-badge {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
        border-radius: 12px;
    }
    
    .regulation-type-badge svg {
        width: 18px;
        height: 18px;
    }
    
    .regulation-status {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
        border-radius: 10px;
    }
    
    .regulation-content {
        padding: 2rem;
    }
    
    .regulation-title {
        font-size: 1.625rem;
        margin-bottom: 1.25rem;
        line-height: 1.2;
    }
    
    .regulation-info {
        gap: 1rem;
        margin-bottom: 1.25rem;
    }
    
    .info-item {
        font-size: 1rem;
        gap: 0.75rem;
    }
    
    .info-item svg {
        width: 18px;
        height: 18px;
    }
    
    .regulation-description {
        font-size: 1rem;
        line-height: 1.7;
        margin-bottom: 1.25rem;
        -webkit-line-clamp: 5;
    }
    
    .regulation-organizer {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .regulation-actions {
        padding: 0 2rem 2rem;
        gap: 1rem;
    }
    
    .action-btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        border-radius: 10px;
        gap: 0.75rem;
    }
    
    .action-btn svg {
        width: 22px;
        height: 22px;
    }
    
    .empty-state {
        padding: 6rem 2rem;
    }
    
    .empty-state svg {
        width: 80px;
        height: 80px;
    }
    
    .empty-state h3 {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .empty-state p {
        font-size: 1.125rem;
        max-width: 600px;
    }
    
    .page-btn {
        width: 56px;
        height: 56px;
        font-size: 1.125rem;
        border-radius: 12px;
    }
    
    .pagination-ellipsis {
        font-size: 1.125rem;
        padding: 0 1rem;
    }
}