:root {
    /* Primary Colors */
    --color-gold: #bfa359;
    --color-dark-purple: #1b1725;
    --color-background: #f1f0ec;
    --color-dark-purple-shadow: #a09ea1;
    --color-gold-shadow: #584b38;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--color-background);
    color: var(--color-dark-purple);
    line-height: 1.5;
    letter-spacing: -0.01em;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Redaction', sans-serif;
}

/* Header & Navigation */
header {
    background-color: var(--color-dark-purple);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 87.5rem;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1.5rem;
}

.logo {
    font-family: 'Redaction', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gold);
    text-decoration: none;
    margin: 0;
    justify-self: start;
}

.nav-container>a {
    justify-self: center;
}

.nav-container img {
    height: 3.125rem;
    display: block;
}

.nav-links {
    justify-self: end;
}

.nav-links a {
    color: var(--color-background);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.95rem;
    cursor: pointer;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--color-gold);
}

/* Main Content */
main {
    height: calc(100vh - 5.5rem);
    padding-top: 1rem;
    overflow: hidden;
}

/* Home page container */
.dashboard-container {
    max-width: 87.5rem;
    margin: 0 auto;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(18.75rem, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.chart-card {
    background: var(--color-background);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--color-dark-purple);
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
}

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

.chart-card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
    gap: 1rem;
}

.chart-card-header h3 {
    font-size: 1.1rem;
    color: var(--color-dark-purple);
    line-height: 1.3;
    flex: 1;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.chart-type-badge {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-dark-purple);
    background-color: var(--color-gold);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    white-space: nowrap;
    flex-shrink: 0;
}

.chart-type-column,
.chart-type-stacked-column,
.chart-type-line,
.chart-type-map {
    /* No additional styling needed - inherits from badge */
}

.chart-description {
    color: var(--color-dark-purple);
    opacity: 0.7;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.5;
    flex-grow: 1;
}

.chart-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: auto;
    cursor: pointer;
    transition: color 0.2s;
}

.chart-link:hover {
    color: var(--color-gold-shadow);
}

/* Individual Chart Page */
.chart-container {
    max-width: 75rem;
    margin: 0 auto;
}

.chart-header {
    margin-bottom: 2rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-gold);
    text-decoration: none;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    cursor: pointer;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--color-gold-shadow);
}

.chart-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.chart-header h1 {
    font-size: 1.75rem;
    color: var(--color-dark-purple);
    margin-bottom: 0.5rem;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.chart-header .chart-description {
    font-size: 0.95rem;
    color: var(--color-dark-purple);
    opacity: 0.7;
}

.filter-reset-top {
    padding: 0.5rem 1rem;
    background-color: transparent;
    color: var(--color-gold);
    text-decoration: none;
    border: 1px solid var(--color-gold);
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-reset-top:hover {
    background-color: var(--color-gold);
    color: var(--color-dark-purple);
}

/* Filters */
.filters-container {
    background: var(--color-background);
    padding: 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-dark-purple);
}

.filter-section {
    margin-bottom: 0.75rem;
}

.filter-section:last-child {
    margin-bottom: 0;
}

/* Year Range Slider */
.year-range-slider {
    padding: 0;
}

.year-label {
    font-weight: 700;
    color: var(--color-gold);
}

.dual-range-wrapper {
    position: relative;
    height: 1.875rem;
    margin-bottom: 0;
}

.range-track {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 8px;
    background-color: var(--color-dark-purple);
    border-radius: 4px;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 1;
}

.range-highlight {
    position: absolute;
    height: 100%;
    background-color: var(--color-gold);
    border-radius: 4px;
    transition: left 0.1s ease, width 0.1s ease;
    z-index: 2;
}

.range-slider {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    width: 100%;
    height: 8px;
    transform: translateY(-50%);
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    pointer-events: none;
    margin: 0;
    z-index: 3;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: var(--color-gold);
    cursor: pointer;
    pointer-events: auto;
    border: 3px solid var(--color-background);
}

.range-slider::-moz-range-thumb {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: var(--color-gold);
    cursor: pointer;
    pointer-events: auto;
    border: 3px solid var(--color-background);
}

.range-slider-start::-webkit-slider-thumb {
    background: var(--color-dark-purple);
}

.range-slider-start::-moz-range-thumb {
    background: var(--color-dark-purple);
}

.range-slider-end::-webkit-slider-thumb {
    background: var(--color-dark-purple);
}

.range-slider-end::-moz-range-thumb {
    background: var(--color-dark-purple);
}

#filterForm {
    display: flex;
    align-items: end;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-width: 7.5rem;
}

.filter-group label {
    font-weight: 600;
    color: var(--color-dark-purple);
    font-size: 0.85rem;
}

.filter-group input {
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--color-dark-purple);
    border-radius: 6px;
    font-size: 1rem;
    width: 100%;
    transition: border-color 0.2s;
}

.filter-group input:focus {
    outline: none;
    border-color: var(--color-gold);
}

.filter-button {
    padding: 0.65rem 1.5rem;
    background-color: var(--color-gold);
    color: var(--color-dark-purple);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    white-space: nowrap;
    transition: all 0.2s;
}

.filter-button:hover {
    background-color: var(--color-gold-shadow);
}

.filter-reset {
    padding: 0.65rem 1.5rem;
    background-color: transparent;
    color: var(--color-gold);
    text-decoration: none;
    border: 1px solid var(--color-gold);
    border-radius: 6px;
    font-weight: 600;
    display: inline-block;
    font-size: 0.95rem;
    white-space: nowrap;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-reset:hover {
    background-color: var(--color-gold);
    color: var(--color-dark-purple);
}


/* Footer */
footer {
    background-color: var(--color-dark-purple);
    color: var(--color-background);
    padding: 1.5rem;
    margin-top: 3rem;
}

.footer-container {
    max-width: 87.5rem;
    margin: 0 auto;
    text-align: center;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo {
        font-size: 1.1rem;
    }

    .nav-container {
        padding: 1rem;
    }

    .nav-links a {
        margin-left: 1rem;
        font-size: 0.9rem;
    }

    main {
        padding: 1rem;
    }

    .charts-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .chart-card {
        padding: 1.25rem;
    }

    .chart-card-header h3 {
        font-size: 1rem;
    }

    .chart-type-badge {
        font-size: 0.65rem;
        padding: 0.2rem 0.6rem;
    }

    .chart-header h1 {
        font-size: 1.5rem;
    }

    .chart-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .filter-reset-top {
        align-self: flex-end;
    }

    .filters-container {
        padding: 1rem;
    }

    #filterForm {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .filter-group {
        min-width: unset;
    }

    .filter-button,
    .filter-reset {
        width: 100%;
        padding: 0.75rem 1rem;
    }

    .chart-content {
        padding: 1rem;
    }

    #chartCanvas {
        max-height: 25rem;
    }

    .map-container {
        height: 25rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .nav-links {
        width: 100%;
    }

    .nav-links a {
        margin: 0 0.5rem;
    }

    .logo {
        font-size: 1rem;
    }

    .chart-card-header {
        flex-direction: column;
        align-items: start;
        gap: 0.75rem;
    }

    .chart-type-badge {
        align-self: flex-start;
    }

    .map-container {
        height: 18.75rem;
    }
}

/* Touch-friendly improvements for mobile */
@media (hover: none) and (pointer: coarse) {

    /* Larger tap targets */
    .chart-link,
    .back-link,
    .filter-button,
    .filter-reset {
        min-height: 2.75rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
}


/* Loading State */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 25rem;
    color: var(--color-gold);
}

/* Bootstrap handles the grid layout, we just need spacing */
.container-fluid {
    padding-top: 0.5rem;
    height: 100%;
    overflow: hidden;
}

.row {
    margin-left: -0.75rem;
    margin-right: -0.75rem;
    height: 100%;
}

.row>* {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.chart-main-content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.filters-sidebar {
    background: var(--color-background);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    height: 100%;
    overflow-y: auto;
}

.chart-sidebar {
    background: var(--color-background);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    height: 100%;
    overflow-y: auto;
}

/* Filters sidebar header */
.filters-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-gold);
}

.filters-sidebar-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-dark-purple);
    font-weight: 700;
}

.filter-reset-link {
    padding: 0.5rem 1rem;
    background-color: var(--color-gold);
    color: var(--color-dark-purple);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.8rem;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.filter-reset-link:hover {
    background-color: var(--color-gold-shadow);
}

.chart-sidebar h3 {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
    color: var(--color-dark-purple);
    border-bottom: 2px solid var(--color-gold);
    padding-bottom: 0.5rem;
}

/* Filter sections in sidebar */
.filters-sidebar .filter-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-dark-purple-shadow);
}

.filters-sidebar .filter-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.filter-section .no-filters-message {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

.filter-section-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-dark-purple);
    margin-bottom: 0.75rem;
}

.filter-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.filter-section-label-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.selection-count-badge {
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--color-gold);
    color: var(--color-dark-purple);
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    min-width: 1.25rem;
    text-align: center;
}

.year-range-display {
    font-size: 0.95rem;
    color: var(--color-dark-purple);
    margin-bottom: 1rem;
    font-weight: 500;
}

/* Country filter header */
.collapse-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: var(--color-gold);
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.collapse-toggle:hover {
    color: var(--color-gold-shadow);
}

.collapse-toggle[aria-expanded="true"] .collapse-icon {
    transform: rotate(180deg);
}

.collapse-icon {
    transition: transform 0.3s ease;
}

.country-filter-content {
    max-height: 37.5rem;
    overflow: hidden;
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
    opacity: 1;
}

.country-filter-content.collapsed {
    max-height: 0;
    opacity: 0;
}

.country-filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.country-control-btn {
    padding: 0.4rem 0.75rem;
    background-color: var(--color-gold);
    color: var(--color-dark-purple);
    border: none;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: 'Roboto', sans-serif;
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.country-control-btn:hover {
    background-color: var(--color-gold-shadow);
}

.country-search {
    flex: 1;
    min-width: 9.375rem;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--color-dark-purple);
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: 'Roboto', sans-serif;
    transition: border-color 0.2s;
}

.country-search:focus {
    outline: none;
    border-color: var(--color-gold);
}

.country-checkboxes {
    max-height: 21.875rem;
    overflow-y: auto;
    padding: 0.5rem;
    border: 1px solid var(--color-dark-purple-shadow);
    border-radius: 4px;
    background-color: var(--color-background);
}

.country-checkboxes::-webkit-scrollbar {
    width: 6px;
}

.country-checkboxes::-webkit-scrollbar-track {
    background: var(--color-background);
    border-radius: 3px;
}

.country-checkboxes::-webkit-scrollbar-thumb {
    background: var(--color-dark-purple-shadow);
    border-radius: 3px;
}

.country-checkboxes::-webkit-scrollbar-thumb:hover {
    background: var(--color-dark-purple);
}

.country-checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.15s;
}

.country-checkbox-item:hover {
    background-color: var(--color-background);
}

.country-checkbox-item.selected {
    background-color: var(--color-gold);
    margin: 0.25rem 0;
}

.country-checkbox-item input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
    accent-color: var(--color-gold);
    flex-shrink: 0;
}

/* Chart content takes remaining space */
.chart-content-wrapper {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chart-content {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    position: relative;
}

/* Ensure relative positioning for chart content */
.chart-content-wrapper .chart-content {
    position: relative;
}

#chartCanvas {
    width: 100% !important;
    height: 100% !important;
    max-width: 100%;
    max-height: 100%;
}

.map-container {
    width: 100%;
    height: 100%;
}

.iframe-container {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

.sidebar-chart-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-chart-item {
    margin-bottom: 0.75rem;
}

.sidebar-chart-link {
    display: block;
    padding: 0.75rem;
    text-decoration: none;
    color: var(--color-dark-purple);
    border-radius: 6px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-chart-link:hover {
    background-color: var(--color-background);
    border-left-color: var(--color-gold);
}

.sidebar-chart-link.active {
    background-color: var(--color-gold);
    border-left-color: var(--color-gold);
    font-weight: 600;
}

.sidebar-chart-title {
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.25rem;
}

.sidebar-chart-type {
    font-size: 0.75rem;
    color: var(--color-dark-purple-shadow);
    text-transform: uppercase;
}

.sidebar-chart-link.active .sidebar-chart-type {
    color: var(--color-dark-purple);
}

/* Mobile sidebar toggle buttons */
.mobile-sidebar-toggle {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1001;
    background-color: var(--color-gold);
    border: none;
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 0.5rem;
    cursor: pointer;
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
}

.mobile-sidebar-toggle:active {
    background-color: var(--color-gold-shadow);
}

.mobile-sidebar-toggle.left {
    left: 0;
}

.mobile-sidebar-toggle.right {
    right: 0;
    border-radius: 8px 0 0 8px;
}

.mobile-sidebar-toggle svg {
    width: 1.25rem;
    height: 1.25rem;
    stroke: var(--color-dark-purple);
    stroke-width: 2;
    fill: none;
}

.mobile-sidebar-toggle span {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--color-dark-purple);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

/* Backdrop overlay */
.sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.sidebar-backdrop.active {
    display: block;
    opacity: 1;
}

/* Mobile adjustments for chart page */
@media (max-width: 991px) {
    main {
        height: auto;
        min-height: 100vh;
        overflow: visible;
    }

    .container-fluid {
        height: auto;
        overflow: visible;
    }

    .row {
        height: auto;
    }

    .chart-main-content {
        margin-bottom: 1.5rem;
        height: auto;
        min-height: 25rem;
    }

    .chart-content-wrapper {
        min-height: 25rem;
        height: auto;
    }

    .chart-content {
        height: 25rem;
    }

    /* Show mobile toggle buttons */
    .mobile-sidebar-toggle {
        display: flex;
    }

    /* Transform sidebars into slide-in panels on mobile */
    .filters-sidebar,
    .chart-sidebar {
        position: fixed;
        top: 0;
        bottom: 0;
        width: 80%;
        max-width: 20rem;
        height: 100vh;
        z-index: 1000;
        margin: 0;
        transition: transform 0.3s ease-out;
        overflow-y: auto;
        box-shadow: 2px 0 12px rgba(0, 0, 0, 0.3);
    }

    .filters-sidebar {
        left: 0;
        transform: translateX(-100%);
        border-radius: 0 12px 12px 0;
    }

    .filters-sidebar.mobile-open {
        transform: translateX(0);
    }

    .chart-sidebar {
        right: 0;
        transform: translateX(100%);
        border-radius: 12px 0 0 12px;
    }

    .chart-sidebar.mobile-open {
        transform: translateX(0);
    }

    /* Add close button to sidebars on mobile */
    .sidebar-close-btn {
        display: block;
        position: sticky;
        top: 0;
        right: 0;
        background: var(--color-gold);
        border: none;
        border-radius: 6px;
        padding: 0.5rem;
        margin-bottom: 1rem;
        cursor: pointer;
        float: right;
        z-index: 10;
    }

    .sidebar-close-btn svg {
        width: 1.5rem;
        height: 1.5rem;
        stroke: var(--color-dark-purple);
        stroke-width: 2;
    }
}

/* Desktop - hide close buttons */
@media (min-width: 992px) {
    .sidebar-close-btn {
        display: none;
    }
}

/* Adjust scrollbar for sidebars */
.filters-sidebar::-webkit-scrollbar,
.chart-sidebar::-webkit-scrollbar {
    width: 6px;
}

.filters-sidebar::-webkit-scrollbar-track,
.chart-sidebar::-webkit-scrollbar-track {
    background: var(--color-background);
    border-radius: 3px;
}

.filters-sidebar::-webkit-scrollbar-thumb,
.chart-sidebar::-webkit-scrollbar-thumb {
    background: var(--color-dark-purple-shadow);
    border-radius: 3px;
}

.filters-sidebar::-webkit-scrollbar-thumb:hover,
.chart-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--color-dark-purple);
}

/* Loading indicator */
.chart-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-background);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.chart-loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.chart-loading-spinner {
    width: 3.125rem;
    height: 3.125rem;
    border: 4px solid var(--color-gold);
    border-top-color: var(--color-dark-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Hide iframe when not active (cache in DOM) */
/* Using visibility + position instead of display:none to prevent WebGL context loss */
.iframe-container.hidden {
    visibility: hidden;
    position: absolute;
    top: -9999px;
    left: -9999px;
    pointer-events: none;
}

/* Fullscreen button - mobile only */
.fullscreen-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 100;
    background-color: var(--color-gold);
    border: none;
    border-radius: 8px;
    padding: 0.75rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.2s;
}

.fullscreen-btn:hover {
    background-color: var(--color-gold-shadow);
}

.fullscreen-btn:active {
    transform: scale(0.95);
}

.fullscreen-btn svg {
    color: var(--color-dark-purple);
}

.fullscreen-enter {
    display: block;
}

.fullscreen-exit {
    display: none;
}

/* Show fullscreen button on mobile only */
@media (max-width: 991px) {
    .fullscreen-btn {
        display: flex;
    }
}

/* Fullscreen mode adjustments */
.chart-content:fullscreen {
    background-color: var(--color-background);
    padding: 1rem;
}

.chart-content:-webkit-full-screen {
    background-color: var(--color-background);
    padding: 1rem;
}

.chart-content:-moz-full-screen {
    background-color: var(--color-background);
    padding: 1rem;
}

.chart-content:-ms-fullscreen {
    background-color: var(--color-background);
    padding: 1rem;
}