/* Analytics page styles */

/* Override page-wrapper overflow to enable sticky sidebar */
.analytics-page-wrapper {
    overflow: visible;
}

.analytics-page {
    max-width: 1100px;
    margin: 0 auto;
    padding-bottom: var(--space-16);
}

/* Hero */
.analytics-hero {
    padding: var(--space-12) 0 var(--space-6);
    text-align: center;
}

.analytics-label {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-green);
    background: rgba(48, 209, 88, 0.1);
    padding: var(--space-1) var(--space-3);
    border-radius: 980px;
    margin-bottom: var(--space-4);
}

.analytics-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-3);
}

.analytics-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Intro text */
.analytics-intro {
    margin-bottom: var(--space-10);
    padding: var(--space-6);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-separator);
    border-radius: var(--radius-lg);
}

.analytics-intro p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.analytics-intro p:last-child {
    margin-bottom: 0;
}

.analytics-intro code {
    font-size: var(--font-size-xs);
    background: var(--color-bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-text-primary);
}

/* Layout: Sidebar + Content */
.analytics-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-8);
    align-items: start;
}

/* Sticky Sidebar */
.analytics-sidebar {
    position: sticky;
    top: 110px;
    max-height: calc(100vh - 126px);
    overflow-y: auto;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    padding: var(--space-5);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-separator);
    border-radius: var(--radius-lg);
}

.sidebar-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.sidebar-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.sidebar-buttons .filter-btn {
    width: 100%;
    text-align: left;
    padding: var(--space-2) var(--space-3);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all 0.15s;
}

.sidebar-buttons .filter-btn:hover {
    background: var(--color-fill);
    color: var(--color-text-primary);
}

.sidebar-buttons .filter-btn.active {
    background: rgba(10, 132, 255, 0.12);
    color: var(--color-accent);
    border-color: rgba(10, 132, 255, 0.2);
}

/* Content area */
.analytics-content-area {
    min-width: 0;
}

/* Summary Cards */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-10);
}

.summary-card {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--space-5) var(--space-6);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-separator);
    border-radius: var(--radius-lg);
}

.summary-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.summary-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.summary-detail {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* Sections */
.analytics-section {
    margin-bottom: var(--space-12);
}

.analytics-section .section-heading {
    font-size: var(--font-size-xl);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2);
}

.analytics-section .section-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-6);
}

/* Heatmap */
.heatmap-container {
    overflow-x: auto;
}

.heatmap-grid {
    display: grid;
    grid-template-columns: 48px repeat(24, 1fr);
    gap: 2px;
    min-width: 600px;
}

.heatmap-header {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    text-align: center;
    padding: var(--space-1) 0;
}

.heatmap-row-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    display: flex;
    align-items: center;
    padding-right: var(--space-2);
}

.heatmap-cell {
    aspect-ratio: 1;
    border-radius: 3px;
    background: var(--color-fill);
    min-height: 20px;
    position: relative;
    transition: transform 0.1s;
}

.heatmap-cell:hover {
    transform: scale(1.3);
    z-index: 1;
}

.heatmap-cell[data-count="0"] { background: var(--color-fill); }
.heatmap-cell.level-1 { background: rgba(48, 209, 88, 0.2); }
.heatmap-cell.level-2 { background: rgba(48, 209, 88, 0.4); }
.heatmap-cell.level-3 { background: rgba(48, 209, 88, 0.6); }
.heatmap-cell.level-4 { background: rgba(48, 209, 88, 0.85); }

.heatmap-cell[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-separator);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-text-primary);
    white-space: nowrap;
    z-index: 10;
}

.heatmap-legend {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
    justify-content: flex-end;
}

.heatmap-legend-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

.heatmap-legend-cells {
    display: flex;
    gap: 2px;
}

.heatmap-legend-cell {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.heatmap-empty {
    text-align: center;
    padding: var(--space-10);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

/* Bar Charts */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.bar-row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.bar-label {
    width: 36px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: right;
    flex-shrink: 0;
}

.bar-track {
    flex: 1;
    height: 28px;
    background: var(--color-fill);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, rgba(10, 132, 255, 0.6), rgba(10, 132, 255, 0.9));
    border-radius: var(--radius-sm);
    transition: width 0.4s ease;
    min-width: 2px;
}

.bar-count {
    width: 36px;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

/* Hour chart — horizontal scrollable */
.hour-chart {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    gap: 2px;
    height: 120px;
    padding: var(--space-4) 0;
    overflow-x: auto;
}

.hour-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    flex: 1;
    min-width: 24px;
    height: 100%;
    justify-content: flex-end;
}

.hour-bar-fill {
    width: 100%;
    background: linear-gradient(180deg, rgba(48, 209, 88, 0.9), rgba(48, 209, 88, 0.5));
    border-radius: 3px 3px 0 0;
    min-height: 2px;
    transition: height 0.4s ease;
}

.hour-bar-label {
    font-size: 9px;
    color: var(--color-text-tertiary);
    writing-mode: horizontal-tb;
}

/* Region Bars */
.region-bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.region-bar-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.region-bar-flag {
    width: 24px;
    font-size: 1.1rem;
    text-align: center;
    flex-shrink: 0;
}

.region-bar-name {
    width: 80px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    flex-shrink: 0;
}

.region-bar-track {
    flex: 1;
    height: 22px;
    background: var(--color-fill);
    border-radius: 4px;
    overflow: hidden;
}

.region-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, rgba(10, 132, 255, 0.5), rgba(10, 132, 255, 0.8));
    border-radius: 4px;
    transition: width 0.4s ease;
}

.region-bar-count {
    width: 32px;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-variant-numeric: tabular-nums;
    text-align: right;
    flex-shrink: 0;
}

/* Product Bars */
.product-bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.product-bar-row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.product-bar-name {
    width: 160px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    flex-shrink: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-bar-track {
    flex: 1;
    height: 28px;
    background: var(--color-fill);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.product-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, rgba(255, 159, 10, 0.5), rgba(255, 159, 10, 0.85));
    border-radius: var(--radius-sm);
    transition: width 0.4s ease;
}

.product-bar-count {
    width: 36px;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

/* Duration Distribution */
.duration-chart {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.duration-row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.duration-label {
    width: 72px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: right;
    flex-shrink: 0;
}

.duration-track {
    flex: 1;
    height: 24px;
    background: var(--color-fill);
    border-radius: 4px;
    overflow: hidden;
}

.duration-fill {
    height: 100%;
    background: linear-gradient(90deg, rgba(100, 210, 255, 0.4), rgba(100, 210, 255, 0.8));
    border-radius: 4px;
    transition: width 0.4s ease;
}

.duration-count {
    width: 36px;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

/* Events Table */
.events-table-wrap {
    overflow-x: auto;
}

.events-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-separator);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.events-table th {
    padding: var(--space-3) var(--space-6);
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: var(--color-fill);
    border-bottom: 1px solid var(--color-separator);
}

.events-table td {
    padding: var(--space-3) var(--space-6);
    border-top: 1px solid var(--color-separator);
    font-size: var(--font-size-sm);
}

.events-table tbody tr:first-child td {
    border-top: none;
}

.events-table tbody tr:hover td {
    background: var(--color-fill);
}

.events-empty {
    text-align: center;
    padding: var(--space-10);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

/* Responsive */
@media (max-width: 768px) {
    .analytics-hero {
        padding: var(--space-8) 0 var(--space-6);
    }

    .analytics-title {
        font-size: var(--font-size-2xl);
    }

    .analytics-layout {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .analytics-sidebar {
        position: static;
        max-height: none;
    }

    .sidebar-inner {
        flex-direction: row;
        gap: var(--space-5);
        overflow-x: auto;
    }

    .sidebar-group {
        flex-shrink: 0;
    }

    .sidebar-buttons {
        flex-direction: row;
        gap: var(--space-2);
    }

    .sidebar-buttons .filter-btn {
        white-space: nowrap;
        width: auto;
    }

    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .region-bar-name {
        width: 60px;
    }

    .product-bar-name {
        width: 100px;
    }

    .bar-label {
        width: 28px;
    }

    .analytics-text h3 {
        font-size: var(--font-size-lg);
    }
}

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

/* Content text sections */
.analytics-content {
    margin-top: var(--space-16);
    padding-top: var(--space-12);
    border-top: 1px solid var(--color-separator);
}

.analytics-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.analytics-text h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
}

.analytics-text h3:first-child {
    margin-top: 0;
}

.analytics-text p {
    margin-bottom: var(--space-5);
}

.analytics-text ul {
    margin: var(--space-4) 0 var(--space-6);
    padding-left: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.analytics-text ul li {
    line-height: 1.7;
}

.analytics-text ul li strong {
    color: var(--color-text-primary);
}

/* CTA */
.analytics-cta {
    margin-top: var(--space-12);
}

.analytics-cta-card {
    text-align: center;
    padding: var(--space-10) var(--space-8);
    background: linear-gradient(135deg, rgba(10, 132, 255, 0.06), rgba(48, 209, 88, 0.04));
    border: 1px solid rgba(10, 132, 255, 0.2);
    border-radius: var(--radius-xl);
}

.analytics-cta-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3);
}

.analytics-cta-card p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.analytics-cta-card em {
    color: var(--color-text-primary);
    font-style: italic;
}

.analytics-cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: var(--color-accent);
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-decoration: none;
    border-radius: 980px;
    transition: transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 16px rgba(10, 132, 255, 0.3);
}

.analytics-cta-button:visited {
    color: white;
}

.analytics-cta-button:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 24px rgba(10, 132, 255, 0.4);
}

.analytics-cta-button:active {
    transform: scale(0.97);
}