/**
 * Financial Charts Demo Styles
 */

/* ========================================
   Container
   ======================================== */
.charts-demo {
    width: 100%;
    height: 100%;
    min-height: 450px;
    padding: var(--space-4, 16px);
    background: var(--bg-secondary, #ffffff);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow: auto;
}

.charts-demo__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4, 16px);
    padding-bottom: var(--space-3, 12px);
    border-bottom: 1px solid var(--border-primary, #e5e5e5);
}

.charts-demo__title {
    font-size: var(--text-lg, 18px);
    font-weight: var(--font-semibold, 600);
    color: var(--text-primary, #1f1f1f);
    margin: 0;
}

.charts-demo__action {
    padding: 6px 12px;
    font-size: var(--text-sm, 14px);
    font-weight: 500;
    color: var(--accent-primary, #5b9a8b);
    background: transparent;
    border: 1px solid var(--accent-primary, #5b9a8b);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.charts-demo__action:hover {
    background: var(--accent-primary, #5b9a8b);
    color: white;
}

/* ========================================
   Grid Layout
   ======================================== */
.charts-demo__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4, 16px);
}

@media (min-width: 900px) {
    .charts-demo__grid {
        grid-template-columns: 1.2fr 1fr;
    }
}

.charts-demo__main {
    display: flex;
    flex-direction: column;
    gap: var(--space-4, 16px);
}

.charts-demo__sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 12px);
}

.charts-demo__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3, 12px);
}

@media (max-width: 600px) {
    .charts-demo__row {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Chart Container
   ======================================== */
.chart-container {
    background: var(--bg-tertiary, #fafafa);
    border: 1px solid var(--border-primary, #e5e5e5);
    border-radius: 8px;
    padding: var(--space-3, 12px);
}

.chart-container--small {
    padding: var(--space-2, 8px) var(--space-3, 12px);
}

.chart-container--mini {
    padding: var(--space-2, 8px);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.chart-header {
    margin-bottom: var(--space-2, 8px);
}

.chart-title {
    font-size: var(--text-sm, 14px);
    font-weight: var(--font-semibold, 600);
    color: var(--text-primary, #1f1f1f);
    margin: 0;
}

.chart-subtitle {
    font-size: var(--text-xs, 12px);
    color: var(--text-tertiary, #737373);
}

/* ========================================
   SVG Chart Base
   ======================================== */
.chart-svg {
    width: 100%;
    height: auto;
    overflow: visible;
}

.chart-axis-label {
    font-size: 10px;
    fill: var(--text-tertiary, #737373);
    font-family: inherit;
}

.chart-axis-label--secondary {
    fill: var(--text-quaternary, #a3a3a3);
}

.chart-grid-line {
    stroke: var(--border-primary, #e5e5e5);
    stroke-width: 1;
    stroke-dasharray: 2, 2;
}

.chart-zero-line {
    stroke: var(--text-tertiary, #737373);
    stroke-width: 1;
}

.chart-value-label {
    font-size: 9px;
    font-weight: 600;
    font-family: inherit;
}

/* ========================================
   Bar Charts
   ======================================== */
.chart-bar {
    transition: opacity 0.15s ease;
}

.chart-bar--primary {
    fill: var(--chart-primary, #5b9a8b);
}

.chart-bar--positive {
    fill: var(--chart-positive, #22c55e);
}

.chart-bar--negative {
    fill: var(--chart-negative, #ef4444);
}

.chart-bar--male {
    fill: var(--chart-male, #3b82f6);
}

.chart-bar--female {
    fill: var(--chart-female, #ec4899);
}

.chart-bar-group:hover .chart-bar {
    opacity: 0.8;
}

.chart-bar-group.is-hovered .chart-bar {
    filter: brightness(1.1);
}

/* ========================================
   Line Charts
   ======================================== */
.chart-line {
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.chart-line--change {
    stroke: var(--chart-accent, #f97316);
}

.chart-line--margin {
    stroke: var(--chart-accent, #f97316);
}

.chart-line--area {
    stroke: var(--chart-primary, #5b9a8b);
    stroke-width: 2;
}

.chart-line--trend {
    stroke: var(--chart-primary, #5b9a8b);
    stroke-width: 2;
}

.chart-dot {
    transition: r 0.15s ease;
}

.chart-dot:hover {
    r: 6;
}

.chart-dot--trend {
    fill: var(--chart-primary, #5b9a8b);
}

/* ========================================
   Area Charts
   ======================================== */
.chart-area {
    fill: var(--chart-primary, #5b9a8b);
    fill-opacity: 0.2;
}

/* ========================================
   Donut Chart
   ======================================== */
.donut-chart-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
}

.donut-chart {
    width: 100%;
    height: 100%;
}

.donut-segment {
    transition: opacity 0.15s ease;
}

.donut-segment--male {
    fill: var(--chart-male, #3b82f6);
}

.donut-segment--female {
    fill: var(--chart-female, #ec4899);
}

.donut-segment:hover {
    opacity: 0.8;
}

.donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.donut-value {
    font-size: var(--text-lg, 18px);
    font-weight: var(--font-bold, 700);
    color: var(--text-primary, #1f1f1f);
}

.donut-labels {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 0 var(--space-2, 8px);
    margin-top: var(--space-1, 4px);
}

.donut-label {
    font-size: var(--text-xs, 12px);
    color: var(--text-tertiary, #737373);
}

/* ========================================
   Legend
   ======================================== */
.chart-legend {
    display: flex;
    gap: var(--space-4, 16px);
    margin-top: var(--space-2, 8px);
    padding-top: var(--space-2, 8px);
    border-top: 1px solid var(--border-primary, #e5e5e5);
}

.chart-legend--inline {
    justify-content: center;
    gap: var(--space-3, 12px);
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-xs, 12px);
    color: var(--text-secondary, #525252);
}

.chart-legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.chart-legend-color--bar {
    background: var(--chart-primary, #5b9a8b);
}

.chart-legend-color--line {
    background: var(--chart-accent, #f97316);
}

.chart-legend-color--ebit {
    background: var(--chart-positive, #22c55e);
}

.chart-legend-color--margin {
    background: var(--chart-accent, #f97316);
}

.chart-legend-color--male {
    background: var(--chart-male, #3b82f6);
}

.chart-legend-color--female {
    background: var(--chart-female, #ec4899);
}

/* ========================================
   Dark Theme
   ======================================== */
[data-theme="dark"] .charts-demo {
    background: var(--bg-secondary, #1a1a1a);
}

[data-theme="dark"] .charts-demo__title {
    color: var(--text-primary, #ffffff);
}

[data-theme="dark"] .charts-demo__header {
    border-bottom-color: var(--border-primary, #3f3f3f);
}

[data-theme="dark"] .chart-container {
    background: var(--bg-tertiary, #242424);
    border-color: var(--border-primary, #3f3f3f);
}

[data-theme="dark"] .chart-title {
    color: var(--text-primary, #ffffff);
}

[data-theme="dark"] .chart-axis-label {
    fill: var(--text-tertiary, #a3a3a3);
}

[data-theme="dark"] .chart-grid-line {
    stroke: var(--border-primary, #3f3f3f);
}

[data-theme="dark"] .chart-legend {
    border-top-color: var(--border-primary, #3f3f3f);
}

[data-theme="dark"] .donut-value {
    color: var(--text-primary, #ffffff);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .charts-demo {
        padding: var(--space-3, 12px);
    }

    .charts-demo__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2, 8px);
    }

    .chart-container {
        padding: var(--space-2, 8px);
    }
}

/* ========================================
   CSS Custom Properties (defaults)
   ======================================== */
.charts-demo {
    --chart-primary: #5b9a8b;
    --chart-positive: #22c55e;
    --chart-negative: #ef4444;
    --chart-accent: #f97316;
    --chart-male: #3b82f6;
    --chart-female: #ec4899;
}