/* ============================================
   GENZFLOW — ANALYTICS PAGE
   Intelligence Layer Styles
   ============================================ */

/* ---- INSIGHT SUMMARY BANNER ---- */
.insight-banner {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3);
    background: linear-gradient(135deg, hsla(245, 70%, 62%, 0.08), hsla(280, 60%, 55%, 0.06));
    border: 1px solid var(--accent-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.insight-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--accent-soft);
    color: var(--primary-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.insight-content {
    flex: 1;
    min-width: 0;
}

.insight-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.insight-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.insight-item {
    font-size: var(--font-size-body);
    color: var(--text-secondary);
    line-height: var(--line-height-normal);
}

.insight-item strong {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

.insight-empty {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-3);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    color: var(--text-muted);
    font-size: var(--font-size-body);
}

/* ---- ANALYTICS METRICS GRID ---- */
.analytics-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

/* ---- ANALYTICS CONTENT ROW ---- */
.analytics-content-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

/* ---- BEST POST CARD ---- */
.best-post-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.best-post-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-1);
}

.best-post-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    color: var(--warning);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.best-post-score {
    font-size: var(--font-size-caption);
    color: var(--text-secondary);
}

.best-post-score strong {
    color: var(--success);
    font-weight: var(--font-weight-bold);
}

.best-post-caption {
    font-size: var(--font-size-body);
    color: var(--text-primary);
    line-height: var(--line-height-normal);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.best-post-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding-top: var(--space-1);
    border-top: 1px solid var(--border-subtle);
}

.best-post-platform {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-caption);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.best-post-stats {
    display: flex;
    gap: var(--space-2);
}

.best-post-stats span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-caption);
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.best-post-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: var(--space-5) var(--space-3);
    color: var(--text-muted);
    font-size: var(--font-size-body);
    text-align: center;
}

/* ---- BEST HOURS ---- */
.analytics-hours-section .analytics-section-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.best-hour-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.best-hour-item:hover {
    background-color: var(--bg-hover);
}

.best-hour-rank {
    font-size: 18px;
    width: 28px;
    text-align: center;
    flex-shrink: 0;
}

.best-hour-time {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    min-width: 52px;
    font-variant-numeric: tabular-nums;
}

.best-hour-score {
    font-size: var(--font-size-caption);
    color: var(--success);
    font-weight: var(--font-weight-medium);
}

.best-hour-count {
    font-size: var(--font-size-caption);
    color: var(--text-muted);
    margin-left: auto;
}

.best-hours-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: var(--space-5) var(--space-3);
    color: var(--text-muted);
    font-size: var(--font-size-body);
    text-align: center;
}

/* ---- CHART SECTION ---- */
.analytics-chart-section {
    margin-bottom: var(--space-4);
}

.analytics-chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.analytics-chart-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.analytics-chart-period {
    font-size: var(--font-size-caption);
    color: var(--text-secondary);
    padding: 6px var(--space-2);
    background-color: var(--bg-input);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.analytics-chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* ---- SECTION TITLE (reusable in analytics cards) ---- */
.analytics-section-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

/* ============================================
   RESPONSIVE — TABLET
   ============================================ */
@media (max-width: 1024px) {
    .analytics-metrics {
        grid-template-columns: repeat(2, 1fr);
    }

    .analytics-content-row {
        grid-template-columns: 1fr;
    }

    .analytics-chart-container {
        height: 260px;
    }
}

/* ============================================
   RESPONSIVE — MOBILE
   ============================================ */
@media (max-width: 768px) {
    .analytics-metrics {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }

    .insight-banner {
        flex-direction: column;
        gap: var(--space-1);
    }

    .analytics-chart-container {
        height: 220px;
    }

    .analytics-chart-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }

    .best-post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }

    .best-post-stats {
        flex-wrap: wrap;
    }
}