/* ========================================
   Ads Page Styles
   ======================================== */

/* View Toggle */
.view-toggle {
    display: flex;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.view-btn {
    padding: 8px 12px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.view-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.view-btn.active {
    background: var(--accent-primary);
    color: white;
}

/* Filters Bar */
.filters-bar {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-group label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
}

.filter-group select {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 8px 28px 8px 10px;
    font-size: 0.85rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Ads Grid */
.ads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

/* Ad Card */
.ad-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
}

.ad-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.ad-card.winner {
    border-color: rgba(34, 197, 94, 0.5);
}

.ad-card.underperformer {
    border-color: rgba(239, 68, 68, 0.5);
}

.ad-card.paused {
    opacity: 0.7;
}

.ad-card.paused:hover {
    opacity: 1;
}

.ad-card.learning {
    border-color: rgba(139, 92, 246, 0.5);
}

/* Ad Preview */
.ad-preview {
    position: relative;
    height: 180px;
    background: var(--bg-primary);
}

.ad-image {
    width: 100%;
    height: 100%;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--bg-hover) 0%, var(--bg-primary) 100%);
    color: var(--text-tertiary);
}

.placeholder-image span:first-child {
    font-size: 2.5rem;
}

.placeholder-image span:last-child {
    font-size: 0.8rem;
}

.placeholder-image.video {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, var(--bg-primary) 100%);
}

/* Ad Badges */
.ad-badges {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.badge {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    backdrop-filter: blur(8px);
}

.badge.winner {
    background: rgba(34, 197, 94, 0.9);
    color: white;
}

.badge.danger {
    background: rgba(239, 68, 68, 0.9);
    color: white;
}

.badge.learning {
    background: rgba(139, 92, 246, 0.9);
    color: white;
}

.badge.status {
    background: rgba(0, 0, 0, 0.6);
    color: white;
}

.badge.status.active::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    margin-right: 4px;
}

.badge.status.paused::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--warning);
    border-radius: 50%;
    margin-right: 4px;
}

/* Ad Info */
.ad-info {
    padding: var(--space-md);
}

.ad-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ad-campaign {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
}

/* Ad Metrics */
.ad-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.metric-value.cpo-good {
    color: var(--success);
}

.metric-value.cpo-ok {
    color: var(--warning);
}

.metric-value.cpo-bad {
    color: var(--danger);
}

.metric-label {
    font-size: 0.65rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Ad Actions */
.ad-actions {
    display: flex;
    gap: var(--space-sm);
}

.ad-actions .btn {
    flex: 1;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* AI Indicator */
.ai-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 500;
}

.ai-indicator.scaling {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
    border-top: 1px solid rgba(34, 197, 94, 0.3);
}

.ai-indicator.optimizing {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
    border-top: 1px solid rgba(99, 102, 241, 0.3);
}

.ai-indicator.warning {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border-top: 1px solid rgba(239, 68, 68, 0.3);
}

.ai-indicator.paused {
    background: rgba(234, 179, 8, 0.15);
    color: var(--warning);
    border-top: 1px solid rgba(234, 179, 8, 0.3);
}

.ai-indicator.learning {
    background: rgba(139, 92, 246, 0.15);
    color: #a855f7;
    border-top: 1px solid rgba(139, 92, 246, 0.3);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.pagination-controls {
    display: flex;
    gap: 4px;
}

.pagination-btn {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
}

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

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* List View */
.ads-grid.list-view {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.ads-grid.list-view .ad-card {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: var(--space-md);
}

.ads-grid.list-view .ad-preview {
    height: 80px;
    border-radius: var(--radius-md);
}

.ads-grid.list-view .ad-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-sm);
}

.ads-grid.list-view .ad-metrics {
    margin-bottom: 0;
}

.ads-grid.list-view .ad-actions {
    display: none;
}

.ads-grid.list-view .ai-indicator {
    position: static;
    border: none;
    border-left: 1px solid var(--border-color);
    padding: var(--space-md);
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

/* ========================================
   RESPONSIVE BREAKPOINTS
   ======================================== */

/* Tablet Landscape (≤ 1200px) */
@media (max-width: 1200px) {
    .ads-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .filters-bar {
        flex-wrap: wrap;
    }
}

/* Tablet Portrait (≤ 1024px) */
@media (max-width: 1024px) {
    .ads-content {
        padding: 16px;
    }
    
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .ads-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

/* Mobile (≤ 768px) */
@media (max-width: 768px) {
    .ads-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .filters-bar {
        padding: 12px;
        gap: 12px;
    }
    
    .filter-group select {
        width: 100%;
    }
    
    .ad-card {
        border-radius: 8px;
    }
    
    .ad-preview {
        height: 160px;
    }
    
    .ad-content {
        padding: 12px;
    }
    
    .ad-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .ad-name {
        font-size: 0.9rem;
    }
    
    .view-toggle {
        width: 100%;
    }
    
    .view-btn {
        flex: 1;
    }
}

/* Mobile Small (≤ 480px) */
@media (max-width: 480px) {
    .ads-content {
        padding: 12px;
    }
    
    .ad-preview {
        height: 140px;
    }
    
    .ad-content {
        padding: 10px;
    }
    
    .ad-metrics {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
    
    .metric-item {
        padding: 6px;
    }
    
    .metric-value {
        font-size: 0.9rem;
    }
    
    .metric-label {
        font-size: 0.65rem;
    }
    
    .ad-actions {
        flex-wrap: wrap;
        gap: 6px;
    }
    
    .ad-actions .btn {
        flex: 1;
        min-width: 80px;
        padding: 6px 10px;
        font-size: 0.75rem;
    }
}