/* Channels Page Styles */

/* Page Header */
.page-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.page-header-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--white);
}

.breadcrumb-separator {
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb-current {
    color: var(--white);
    font-weight: 600;
}

.page-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.page-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    max-width: 600px;
    margin: 0 auto;
}

/* Channels Section */
.channels-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

/* Filters */
.channels-filters {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-3xl);
}

.filter-form {
    margin-bottom: var(--spacing-xl);
}

.filter-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: var(--spacing-lg);
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.filter-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.search-input {
    position: relative;
}

.search-input input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) var(--spacing-3xl);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--white);
}

.search-input input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.search-input i {
    position: absolute;
    left: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
}

.filter-group select {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.filter-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.filter-actions .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.875rem;
}

.channels-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.stat i {
    color: var(--primary-color);
}

.filter-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Channels Category */
.channels-category {
    margin-bottom: var(--spacing-3xl);
}

.category-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-200);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.category-title i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.channel-count {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

/* Channels Grid */
.channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.channel-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.channel-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.channel-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.channel-logo {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.channel-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.default-logo {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 2rem;
}

.quality-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--gradient-secondary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.quality-badge.hd {
    background: var(--gradient-secondary);
}

.channel-info {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.channel-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.channel-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.channel-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
}

.meta-item i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

.channel-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.channel-actions .btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

/* No Channels State */
.no-channels {
    text-align: center;
    padding: var(--spacing-3xl);
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
}

.no-channels-content i {
    font-size: 4rem;
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
}

.no-channels-content h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.no-channels-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--white);
    margin: 5% auto;
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gradient-primary);
    color: var(--white);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.modal-close {
    font-size: 2rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--gray-300);
}

.modal-body {
    padding: var(--spacing-2xl);
}

.preview-container {
    text-align: center;
}

.preview-placeholder {
    padding: var(--spacing-3xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--gray-300);
}

.preview-placeholder i {
    font-size: 4rem;
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
}

.preview-placeholder p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .filter-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .channels-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }
    
    .channels-filters {
        padding: var(--spacing-lg);
    }
    
    .filter-actions {
        flex-direction: column;
    }
    
    .channels-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }
    
    .channels-grid {
        grid-template-columns: 1fr;
    }
    
    .channel-card {
        padding: var(--spacing-lg);
    }
    
    .channel-actions {
        flex-direction: column;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .modal-header {
        padding: var(--spacing-lg);
    }
    
    .modal-body {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: var(--spacing-2xl) 0 var(--spacing-xl);
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    .channels-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .channels-filters {
        margin-bottom: var(--spacing-2xl);
    }
    
    .channels-category {
        margin-bottom: var(--spacing-2xl);
    }
    
    .category-title {
        font-size: 1.5rem;
    }
}