/**
 * Analytics Dashboard Styles
 * Beautiful dark-themed analytics visualizations
 */

/* Analytics Section */
.analytics-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-primary);
}

.analytics-section-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Analytics Controls Row */
.analytics-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Time Range Selector */
.analytics-time-range {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: var(--border-radius-md);
    width: fit-content;
}

.analytics-time-range-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.analytics-time-range-btn:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.analytics-time-range-btn.active {
    background: var(--accent-primary);
    color: #ffffff;
}

/* Podcast Filter */
.analytics-podcast-filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.analytics-podcast-filter-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
}

.analytics-podcast-select {
    min-width: 250px;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s ease;
}

.analytics-podcast-select:hover {
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
}

.analytics-podcast-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.analytics-podcast-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-sm);
}

/* Analytics Cards Grid */
.analytics-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

/* Analytics Card */
.analytics-card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.analytics-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.analytics-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-primary);
}

.analytics-card:hover::before {
    opacity: 1;
}

/* Card Variants */
.analytics-card.plays::before {
    background: linear-gradient(90deg, #4ade80 0%, #22c55e 100%);
}

.analytics-card.downloads::before {
    background: linear-gradient(90deg, #3b82f6 0%, #2563eb 100%);
}

.analytics-card.listeners::before {
    background: linear-gradient(90deg, #a855f7 0%, #9333ea 100%);
}

.analytics-card.rate::before {
    background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
}

.analytics-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.analytics-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: rgba(255, 255, 255, 0.05);
}

.analytics-card.plays .analytics-card-icon {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.1) 0%, rgba(34, 197, 94, 0.1) 100%);
    color: #4ade80;
}

.analytics-card.downloads .analytics-card-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
    color: #3b82f6;
}

.analytics-card.listeners .analytics-card-icon {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1) 0%, rgba(147, 51, 234, 0.1) 100%);
    color: #a855f7;
}

.analytics-card.rate .analytics-card-icon {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.1) 100%);
    color: #f59e0b;
}

.analytics-card-value {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

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

/* Chart Container */
.analytics-chart-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.analytics-chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.analytics-chart-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.analytics-chart-wrapper {
    position: relative;
    height: 300px;
}

/* Top Content Table */
.analytics-table-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.analytics-table-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.analytics-table-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.analytics-table {
    width: 100%;
    border-collapse: collapse;
}

.analytics-table thead {
    background: var(--bg-tertiary);
}

.analytics-table th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.analytics-table tbody tr {
    border-bottom: 1px solid var(--border-primary);
    transition: background-color 0.2s ease;
}

.analytics-table tbody tr:last-child {
    border-bottom: none;
}

.analytics-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.analytics-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.analytics-table-rank {
    width: 40px;
    text-align: center;
    font-weight: 700;
    color: var(--text-muted);
}

.analytics-table-title-cell {
    max-width: 300px;
}

.analytics-table-episode-title {
    font-weight: 600;
    color: var(--text-primary);
    display: block;
    margin-bottom: 4px;
}

.analytics-table-podcast-title {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.analytics-table-stat {
    font-weight: 600;
    text-align: right;
}

.analytics-table-stat.plays {
    color: #4ade80;
}

.analytics-table-stat.downloads {
    color: #3b82f6;
}

.analytics-table-stat.listeners {
    color: #a855f7;
}

/* Empty State */
.analytics-empty-state {
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-lg);
    color: var(--text-muted);
}

.analytics-empty-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.analytics-empty-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.analytics-empty-description {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    max-width: 400px;
    margin: 0 auto;
}

/* Loading State */
.analytics-loading {
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-lg);
}

.analytics-loading .spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

/* Responsive */
@media (max-width: 768px) {
    .analytics-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .analytics-chart-wrapper {
        height: 250px;
    }

    .analytics-table {
        font-size: var(--font-size-xs);
    }

    .analytics-table th,
    .analytics-table td {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .analytics-table-title-cell {
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .analytics-cards-grid {
        grid-template-columns: 1fr;
    }
}