/**
 * Analytics Dashboard Styles
 * Unified with Main Theme
 */

/* ============================================
   Header
   ============================================ */
.analytics-header {
    padding: 120px 0 50px;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 0%, rgba(168, 85, 247, 0.08) 0%, transparent 50%);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.page-title {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: 8px;
}

.title-icon {
    font-size: 40px;
}

.page-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

.period-select {
    padding: var(--space-3) var(--space-5);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
}

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

/* ============================================
   Metrics Grid
   ============================================ */
.metrics-section {
    padding: 0 0 var(--space-10);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
}

.metric-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    transition: all var(--transition-base);
}

.metric-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-sm);
}

.metric-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.metric-icon {
    font-size: var(--font-size-xl);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 600;
}

.metric-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    font-family: var(--font-mono);
    margin-bottom: var(--space-2);
}

.metric-value.positive {
    color: var(--color-positive);
}

.metric-value.negative {
    color: var(--color-negative);
}

.metric-change {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.metric-change.positive {
    color: var(--color-positive);
}

.metric-change.negative {
    color: var(--color-negative);
}

/* ============================================
   Charts Grid
   ============================================ */
.charts-section {
    padding: 0 0 var(--space-10);
}

.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-5);
}

.chart-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    transition: all var(--transition-base);
}

.chart-card:hover {
    border-color: var(--color-border-hover);
}

.chart-card.large {
    grid-column: 1;
    grid-row: 1 / 3;
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

.chart-header h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
}

.chart-tabs {
    display: flex;
    gap: var(--space-2);
}

.chart-tab {
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chart-tab:hover {
    border-color: var(--color-primary);
}

.chart-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.chart-body {
    min-height: 200px;
}

/* Performance Chart Placeholder */
.chart-placeholder {
    height: 280px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.chart-line {
    height: 200px;
    background: linear-gradient(180deg,
            rgba(99, 102, 241, 0.2) 0%,
            rgba(99, 102, 241, 0.05) 100%);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.chart-line::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
            transparent,
            var(--color-primary) 20%,
            var(--color-primary) 40%,
            var(--color-accent-emerald) 60%,
            var(--color-primary) 80%,
            var(--color-primary));
    border-radius: 2px;
}

.chart-legend {
    display: flex;
    gap: var(--space-5);
    margin-top: var(--space-4);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.legend-item .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.primary {
    background: var(--color-primary);
}

.dot.secondary {
    background: var(--color-accent-emerald);
}

/* Donut Chart */
.allocation-chart {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-5);
}

.donut-chart {
    position: relative;
    width: 160px;
    height: 160px;
}

.donut-chart svg {
    transform: rotate(-90deg);
}

.donut-center {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    font-weight: 700;
    font-family: var(--font-mono);
}

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

.legend-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
}

.legend-row .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.legend-row .value {
    margin-left: auto;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--color-text-muted);
}

/* Bar Chart */
.bar-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 180px;
    gap: var(--space-2);
    padding-top: var(--space-4);
}

.bar {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    position: relative;
    transition: all var(--transition-fast);
}

.bar.positive {
    background: linear-gradient(180deg, var(--color-positive), rgba(34, 197, 94, 0.3));
}

.bar.negative {
    background: linear-gradient(180deg, var(--color-negative), rgba(239, 68, 68, 0.3));
}

.bar:hover {
    opacity: 0.8;
}

.bar span {
    position: absolute;
    top: -24px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--color-text-primary);
}

.bar small {
    position: absolute;
    bottom: -20px;
    font-size: 10px;
    color: var(--color-text-muted);
}

/* ============================================
   Stats Section
   ============================================ */
.stats-section {
    padding: 0 0 var(--space-20);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.stats-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.stats-card:hover {
    border-color: var(--color-border-hover);
}

.stats-header {
    padding: var(--space-4) var(--space-5);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.stats-header h3 {
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.stats-body {
    padding: var(--space-4) var(--space-5);
}

.stat-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-row.highlight {
    background: var(--color-bg-tertiary);
    margin: var(--space-3) calc(var(--space-5) * -1);
    margin-bottom: calc(var(--space-4) * -1);
    padding: var(--space-4) var(--space-5);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    font-weight: 700;
}

.stat-value {
    font-family: var(--font-mono);
    font-weight: 600;
}

.stat-value.positive {
    color: var(--color-positive);
}

.stat-value.negative {
    color: var(--color-negative);
}

/* Performer Row */
.performer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
}

.performer-row:last-child {
    border-bottom: none;
}

.performer-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.performer-info img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: var(--color-bg-tertiary);
    padding: 2px;
}

.performer-info div {
    display: flex;
    flex-direction: column;
}

.performer-info .name {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.performer-info .symbol {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.performer-return {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.performer-return.positive {
    color: var(--color-positive);
}

.performer-return.negative {
    color: var(--color-negative);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1200px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .chart-card.large {
        grid-column: 1;
        grid-row: auto;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }
}