.container.graph-page-container {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.graph-header {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    gap: var(--spacing-xl);
}

.graph-header h3 {
    color: var(--color-heading-warm);
    margin: 0;
    flex-grow: 1;
    text-align: center;
}

/* Treemap Filters */
#treemap-filters-container {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    display: flex;
    gap: var(--spacing-md);
    background-color: rgba(190, 165, 132, 0.7); /* Specific background for treemap filters */
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(0,0,0,0.1);
}
#primary-filter-container, #secondary-filter-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

#treemap-filters-container label {
    font-weight: 500;
    color: var(--color-text-primary);
    text-transform: capitalize;
}

#treemap-filters-container select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-border-subtle);
    background-color: var(--color-bg-body);
    min-width: 100px;
}

/* Back Link */
.back-link {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-card);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--border-radius-md);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    text-decoration: none;
}

.back-link:hover {
    background-color: var(--color-bg-card-hover);
    border-color: var(--color-card-border-strong);
    box-shadow: var(--box-shadow-subtle);
}

.graph-display-area {
    background-color: var(--color-bg-graph-area); /* Specific background for this area */
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
}

/* --- Styles for Graph Controls (Toggle Switch) - OVERLAY --- */
.graph-controls {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 25px;
    padding: 3px; /* Adjusted padding to be internal to the switch */
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
}

.toggle-switch {
    position: relative;
    display: block;
    width: 200px;
    height: 38px;
    background-color: var(--color-bg-body); /* Background for the track */
    border-radius: 20px;
    border: 1px solid var(--color-border-subtle);
    padding: 3px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    font-size: 0; /* Hides whitespace between labels */
}

.toggle-switch input { display: none; }

.toggle-switch label {
    display: inline-block;
    width: 50%;
    height: 100%;
    text-align: center;
    line-height: 30px; /* Adjusted based on 38px height and 3px padding */
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary); /* Inactive label color */
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 1;
    position: relative;
}

.toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: calc(50% - 3px); /* 50% width minus half of the padding on both sides */
    height: calc(100% - 6px); /* Full height minus top and bottom padding */
    background-color: var(--color-bg-card); /* Slider color */
    border-radius: 20px;
    box-shadow: var(--box-shadow-subtle);
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 0;
}

#bar-chart-toggle:checked ~ .toggle-slider { transform: translateX(0); }
#pie-chart-toggle:checked ~ .toggle-slider { transform: translateX(calc(100% + 3px)); } /* Adjusted for the 3px padding */

#bar-chart-toggle:checked ~ label[for="bar-chart-toggle"],
#pie-chart-toggle:checked ~ label[for="pie-chart-toggle"] {
    color: var(--color-text-primary); /* Active label color */
}


/* --- Graph Container and Legend Styles --- */
.graph-container {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--border-radius-md);
    padding: 60px var(--spacing-lg) var(--spacing-lg) var(--spacing-lg); /* Top padding for controls */
    position: relative;
}

#bar-chart-wrapper {
    position: relative;
    height: 100%;
}

#bar-chart-wrapper.is-scrollable {
    overflow-x: auto;
    scrollbar-width: thin;
}

#bar-chart-wrapper canvas {
    min-height: 400px; /* Ensures minimum height for the canvas */
}

.chart-placeholder-text {
    font-size: 1.1em;
    text-align: center; /* Center placeholder text */
    color: var(--color-text-secondary); /* Style placeholder text */
    padding: var(--spacing-xl);
}

#pie-charts-wrapper-container {
    padding: var(--spacing-sm);
}

#multi-chart-main-title {
    text-align: center;
    font-size: 1.125rem; /* Equivalent to 18px */
    color: var(--color-text-primary);
    padding-bottom: var(--spacing-md); /* 20px close to this */
    margin-top: 0;
    font-family: 'Roboto', sans-serif; /* Keep if specific to graphs */
}

#multi-chart-select-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-sm);
    justify-content: center; /* Center the select dropdown */
}
#multi-chart-select-container label {
    font-weight: 500;
    color: var(--color-text-secondary);
}
#multi-chart-select-container select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-border-subtle);
    background-color: var(--color-bg-body);
}

#pie-charts-wrapper {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    flex-wrap: nowrap;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    scrollbar-width: thin;
    padding-bottom: 1rem;
}

.pie-chart-item {
    flex: 0 0 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.pie-chart-item h3 {
    font-size: 1.1rem;
    color: var(--color-heading);
    margin: 0;
}

#custom-legend-container {
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-subtle);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-sm) var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-text-primary); /* Ensure legend text is readable */
}

.legend-swatch {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    flex-shrink: 0;
    border: 1px solid rgba(0,0,0,0.1); /* Give swatches a subtle border */
}


/* --- Responsiveness for Graph Page --- */
@media (max-width: 992px) {
    .graph-header {
        flex-direction: column;
        gap: var(--spacing-md);
        position: relative;
    }
    .back-link {
        position: static;
        transform: none;
        align-self: flex-start;
    }
    .graph-header h3 {
        order: -1;
    }
}


@media (max-width: 768px) {
    .pie-chart-item { flex: 0 0 300px; }
    .graph-controls {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        /* Adjust layout if controls overlap with back button on small screens */
        justify-content: center;
        width: auto;
        padding: 6px; /* slightly more padding for touch targets */
    }
    .toggle-switch { width: 180px; height: 34px; }
    .toggle-switch label { line-height: 28px; font-size: 0.85rem; }

    #treemap-filters-container {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-end; /* Align to the right edge */
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        padding: var(--spacing-xs);
    }

    .graph-container {
        padding-top: 80px; /* Ensure enough space for controls at the top */
    }
}

@media (max-width: 480px) {
    .back-link { font-size: 0.8rem; padding: var(--spacing-xs) var(--spacing-sm); }
    .graph-controls {
        position: static; /* Stack controls on very small screens */
        margin-top: var(--spacing-md);
        width: 100%;
        justify-content: center;
        border-radius: var(--border-radius-md);
        padding: var(--spacing-sm);
    }
    .toggle-switch { width: 100%; max-width: 250px; } /* Allow toggle to expand */
    .graph-container { padding-top: var(--spacing-lg); } /* No fixed top padding needed if controls are static */
    #multi-chart-select-container { flex-direction: column; align-items: stretch; padding: 0; }
    #multi-chart-select-container select { width: 100%; }
    #pie-charts-wrapper { justify-content: flex-start; } /* Allow horizontal scroll */
    .pie-chart-item { flex: 0 0 280px; } /* Make pies a bit smaller */
}


/* Utility class */
.hidden {
    display: none !important;
}

/* --- Custom Scrollbar for Pie Chart Wrapper --- */
#pie-charts-wrapper {
    scrollbar-width: thin;
    scrollbar-color: #8a7257 #c7b394; /* thumb color | track color */
}

/* For WebKit browsers (Chrome, Edge, Safari) */
#pie-charts-wrapper::-webkit-scrollbar {
    height: 8px; /* horizontal scrollbar height */
}

#pie-charts-wrapper::-webkit-scrollbar-track {
    background-color: #c7b394; /* matches #bea584 theme */
    border-radius: 10px;
}

#pie-charts-wrapper::-webkit-scrollbar-thumb {
    background-color: #8a7257; /* darker brown for contrast */
    border-radius: 10px;
}

#pie-charts-wrapper::-webkit-scrollbar-thumb:hover {
    background-color: #6e5843; /* slightly darker on hover */
}