/**
 * Fund Performance Chart Styles
 *
 * Styling for the interactive fund performance charts.
 *
 * @package QVG_Capital
 */

/* Chart Section Container */
.fund-chart-section {
    padding: var(--spacing-2xl, 4rem) 0;
}

.fund-chart-section .section-header {
    margin-bottom: var(--spacing-xl, 2rem);
}

.fund-chart-section .section-header h2 {
    margin-bottom: var(--spacing-sm, 0.5rem);
}

.fund-chart-section .section-header .lead {
    color: var(--color-text-muted, #666);
    margin-bottom: 0;
}

/* Chart Controls */
.chart-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-lg, 1.5rem);
    gap: var(--spacing-md, 1rem);
}

/* Period Toggle Buttons */
.chart-period-toggles {
    display: flex;
    gap: var(--spacing-xs, 0.5rem);
    flex-wrap: wrap;
    justify-content: center;
}

.chart-period-toggles button {
    min-width: 80px;
    padding: var(--spacing-xs, 0.5rem) var(--spacing-md, 1rem);
    font-size: 0.875rem;
    font-weight: 600;
    border: 2px solid var(--color-accent, #6BBBAE);
    border-radius: var(--border-radius, 4px);
    background: transparent;
    color: var(--color-accent, #6BBBAE);
    cursor: pointer;
    transition: all 0.2s ease;
}

.chart-period-toggles button:hover,
.chart-period-toggles button:focus {
    background: var(--color-accent, #6BBBAE);
    color: #fff;
    outline: none;
}

.chart-period-toggles button:focus-visible {
    box-shadow: 0 0 0 3px rgba(107, 187, 174, 0.3);
}

.chart-period-toggles button.btn-primary {
    background: var(--color-accent, #6BBBAE);
    color: #fff;
}

.chart-period-toggles button.btn-outline {
    background: transparent;
    color: var(--color-accent, #6BBBAE);
}

/* Chart Container */
.chart-container {
    width: 100%;
    min-height: 300px;
    position: relative;
}

#fundPerformanceChart {
    width: 100%;
}

/* Chart Loading/Error States */
.chart-error {
    text-align: center;
    padding: var(--spacing-xl, 2rem);
    color: var(--color-text-muted, #666);
    font-style: italic;
}

.chart-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.chart-loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid #f0f0f0;
    border-top-color: var(--color-accent, #6BBBAE);
    border-radius: 50%;
    animation: chart-spin 0.8s linear infinite;
}

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

/* ApexCharts Customizations */
.apexcharts-toolbar {
    z-index: 10;
}

.apexcharts-menu {
    border: 1px solid #e0e0e0 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.apexcharts-menu-item:hover {
    background: var(--color-accent, #6BBBAE) !important;
    color: #fff !important;
}

.apexcharts-tooltip {
    border: none !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.apexcharts-tooltip-title {
    background: #f8f9fa !important;
    border-bottom: 1px solid #e9ecef !important;
}

.apexcharts-xaxistooltip {
    border: 1px solid #e0e0e0 !important;
    background: #fff !important;
}

/* Screen Reader Announcements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsive Adjustments */
@media (max-width: 1199px) {
    .chart-container {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .fund-chart-section {
        padding: var(--spacing-xl, 2rem) 0;
    }

    .chart-controls {
        flex-direction: column;
        gap: var(--spacing-sm, 0.75rem);
    }

    .chart-period-toggles {
        width: 100%;
        justify-content: center;
    }

    .chart-period-toggles button {
        flex: 1;
        min-width: 60px;
        max-width: 90px;
        padding: var(--spacing-xs, 0.5rem) var(--spacing-sm, 0.75rem);
        font-size: 0.8125rem;
    }

    .chart-container {
        min-height: 280px;
    }

    /* Hide toolbar on mobile for cleaner look */
    .apexcharts-toolbar {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .chart-period-toggles button {
        min-width: 50px;
        padding: 0.375rem 0.5rem;
        font-size: 0.75rem;
    }

    .chart-container {
        min-height: 250px;
        margin-left: -10px;
        margin-right: -10px;
    }
}

/* Print Styles */
@media print {
    .fund-chart-section {
        page-break-inside: avoid;
    }

    .chart-controls {
        display: none;
    }

    .chart-container {
        min-height: 400px;
    }

    .apexcharts-toolbar {
        display: none !important;
    }
}

/* Dark mode support (if theme implements it) */
@media (prefers-color-scheme: dark) {
    .fund-chart-section.section-alt {
        /* Override if needed for dark mode */
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .chart-period-toggles button {
        border-width: 3px;
    }

    .chart-period-toggles button:focus-visible {
        outline: 3px solid currentColor;
        outline-offset: 2px;
    }
}