/**
 * Clustering Visualizer Styles
 *
 * Visualization-specific styles only. Common styles are in visualizations.css.
 * Colors for clusters 0-7 use shared --viz-class-* variables.
 */

/* ============================================
   Clustering-Specific CSS Custom Properties
   ============================================ */
:root {
    /* Centroid styling */
    --cluster-centroid-stroke: #333333;
    --cluster-centroid-fill: #ffffff;

    /* Voronoi region opacity */
    --cluster-voronoi-opacity: 0.12;

    /* History trail */
    --cluster-history-opacity: 0.4;
}

[data-theme="gruvbox-dark"] {
    --cluster-centroid-stroke: #ebdbb2;
    --cluster-centroid-fill: #3c3836;
    --cluster-voronoi-opacity: 0.15;
    --cluster-history-opacity: 0.5;
}

/* ============================================
   Canvas Styling
   ============================================ */
#clustering-canvas {
    cursor: crosshair;
    position: relative;
    z-index: 2;
}

/* ============================================
   Legend Colors
   ============================================ */
.legend-color.cluster-centroid {
    background-color: var(--cluster-centroid-fill);
    border: 2px solid var(--cluster-centroid-stroke);
    border-radius: 0;
    transform: rotate(45deg);
    width: 12px;
    height: 12px;
}

/* ============================================
   Controls Panel Layout
   ============================================ */
.cluster-controls-panel {
    display: flex;
    gap: 20px;
}

.cluster-options-col {
    flex: 1;
}

.cluster-option-group {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.cluster-option-group:last-child {
    margin-bottom: 0;
}

.cluster-options-col .option-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cluster-options-col .option-row > label:first-child {
    min-width: 55px;
    font-size: 12px;
    margin: 0;
}

.cluster-options-col .option-row select {
    width: auto;
    min-width: 120px;
    font-size: 12px;
}

.cluster-options-col .checkbox-label {
    font-size: 12px;
    margin-right: 10px;
}

/* Right column: Playback */
.cluster-playback-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    border-left: 1px solid var(--viz-border);
    padding-left: 20px;
}

.cluster-playback-col .btn-toolbar {
    display: flex;
    gap: 4px;
}

.cluster-playback-col .btn-toolbar .btn {
    padding: 4px 8px;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 992px) {
    .cluster-controls-panel {
        flex-direction: column;
    }

    .cluster-playback-col {
        border-left: none;
        border-top: 1px solid var(--viz-border);
        padding-left: 0;
        padding-top: 15px;
    }
}