/**
 * MNIST Dimensionality Reduction Visualizer Styles
 *
 * Visualization-specific styles only. Common styles are in visualizations.css.
 * Digit colors use shared --viz-class-* variables (0-9).
 */

/* ============================================
   MNIST-Specific CSS Custom Properties
   ============================================ */
:root {
    /* Digit colors - map to shared class colors */
    --mnist-digit-0: var(--viz-class-0);
    --mnist-digit-1: var(--viz-class-1);
    --mnist-digit-2: var(--viz-class-2);
    --mnist-digit-3: var(--viz-class-3);
    --mnist-digit-4: var(--viz-class-4);
    --mnist-digit-5: var(--viz-class-5);
    --mnist-digit-6: var(--viz-class-6);
    --mnist-digit-7: var(--viz-class-7);
    --mnist-digit-8: var(--viz-class-8);
    --mnist-digit-9: var(--viz-class-9);

    /* Tooltip */
    --mnist-tooltip-bg: #ffffff;
    --mnist-tooltip-border: #333333;
    --mnist-tooltip-shadow: rgba(0, 0, 0, 0.15);
}

[data-theme="gruvbox-dark"] {
    --mnist-tooltip-bg: #32302f;
    --mnist-tooltip-border: #ebdbb2;
    --mnist-tooltip-shadow: rgba(0, 0, 0, 0.4);
}

/* ============================================
   Scatter Plot Container
   ============================================ */
.scatter-panel-body {
    padding: 0 !important;
    text-align: center;
}

.scatter-wrapper {
    position: relative;
    display: block;
    width: 100%;
}

#scatter-canvas {
    display: block;
    width: 100%;
    height: auto;
    background-color: var(--viz-canvas-bg);
    border: none;
    border-radius: 0;
    cursor: crosshair;
}

/* ============================================
   Algorithm Tabs
   ============================================ */
.algorithm-tabs {
    display: flex;
    width: 100%;
}

.algorithm-tabs .btn {
    flex: 1;
    border-radius: 0;
    font-size: 12px;
    font-weight: 500;
}

.algorithm-tabs .btn.active {
    background-color: var(--viz-active-bg);
    border-color: var(--viz-active-border);
    color: var(--viz-text);
}

[data-theme="gruvbox-dark"] .algorithm-tabs .btn.active {
    background-color: rgba(250, 189, 47, 0.3);
    border-color: #fabd2f;
    color: #ebdbb2;
}

/* ============================================
   Digit Legend
   ============================================ */
.digit-legend {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    font-size: 12px;
}

.digit-legend .legend-item {
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 3px;
    transition: background-color 0.15s ease;
}

.digit-legend .legend-item:hover {
    background-color: var(--viz-hover-bg);
}

.digit-legend .legend-item.dimmed {
    opacity: 0.4;
}

.digit-legend .legend-color {
    width: 14px;
    height: 14px;
    border-radius: 50%;
}

/* ============================================
   Tooltip for Digit Image
   ============================================ */
.digit-tooltip {
    position: fixed;
    z-index: 1000;
    padding: 10px;
    background-color: var(--mnist-tooltip-bg);
    border: 2px solid var(--mnist-tooltip-border);
    border-radius: 6px;
    box-shadow: 0 4px 12px var(--mnist-tooltip-shadow);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.digit-tooltip.visible {
    opacity: 1;
}

#tooltip-canvas {
    display: block;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    border: 1px solid var(--viz-border);
    background-color: #000;
}

.tooltip-label {
    margin-top: 8px;
    text-align: center;
    color: var(--viz-text);
}

.tooltip-digit {
    display: block;
    font-size: 14px;
    font-weight: bold;
}

.tooltip-coords {
    display: block;
    font-family: var(--viz-mono-font);
    font-size: 10px;
    color: var(--viz-text-muted);
    margin-top: 4px;
}

/* ============================================
   Metrics Panel
   ============================================ */
.metrics-panel-body {
    padding: 8px 15px !important;
}

/* ============================================
   Display Options Panel
   ============================================ */
.size-control {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.size-control input[type="range"] {
    flex: 1;
    height: 4px;
}

.size-control span {
    min-width: 32px;
    font-size: 12px;
    font-weight: bold;
    color: var(--viz-text);
    text-align: right;
}

/* ============================================
   Digit Filter Panel
   ============================================ */
.digit-filter-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    margin-bottom: 10px;
}

.digit-toggle {
    font-weight: bold;
    color: #fff !important;
    border: 2px solid transparent;
    transition: all 0.15s ease;
    padding: 4px 0;
}

.digit-toggle:not(.active) {
    opacity: 0.3;
    background-color: var(--viz-text-muted) !important;
    border-color: var(--viz-text-muted) !important;
}

.digit-toggle.active {
    opacity: 1;
}

.digit-toggle:hover {
    opacity: 1;
    transform: scale(1.05);
}

.filter-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
}

/* ============================================
   Highlight State
   ============================================ */
.highlight-info {
    margin-top: 10px;
    padding: 8px 12px;
    background-color: var(--viz-hover-bg);
    border-radius: 4px;
    font-size: 12px;
    text-align: center;
    display: none;
}

.highlight-info.visible {
    display: block;
}

.highlight-info .highlight-digit {
    font-weight: bold;
    font-size: 14px;
}

.highlight-info .btn-clear-highlight {
    margin-left: 10px;
}

/* ============================================
   Data Source Panel
   ============================================ */
.data-source-panel {
    padding: 12px 15px !important;
}

/* Dataset Selector */
.dataset-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--viz-border);
}

.dataset-selector > label {
    margin: 0;
    font-size: 12px;
    font-weight: 500;
}

.dataset-selector .btn-group .btn {
    font-size: 12px;
}

.dataset-selector .btn-group .btn.active {
    background-color: var(--viz-active-bg);
    border-color: var(--viz-active-border);
    color: var(--viz-text);
}

[data-theme="gruvbox-dark"] .dataset-selector .btn-group .btn.active {
    background-color: rgba(184, 187, 38, 0.3);
    border-color: #b8bb26;
    color: #ebdbb2;
}

.data-source-toggle {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.data-source-toggle > label {
    margin: 0;
    font-size: 12px;
    font-weight: 500;
}

.data-source-toggle .btn-group .btn {
    font-size: 12px;
}

.data-source-toggle .btn-group .btn.active {
    background-color: var(--viz-active-bg);
    border-color: var(--viz-active-border);
    color: var(--viz-text);
}

[data-theme="gruvbox-dark"] .data-source-toggle .btn-group .btn.active {
    background-color: rgba(250, 189, 47, 0.3);
    border-color: #fabd2f;
    color: #ebdbb2;
}

.data-source-info {
    font-size: 11px;
    color: var(--viz-text-muted);
}

/* ============================================
   Training Timeline
   ============================================ */
.training-timeline {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--viz-border);
}

.timeline-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.timeline-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--viz-text);
}

.epoch-display,
.accuracy-display {
    font-size: 12px;
    color: var(--viz-text-muted);
}

.epoch-display strong,
.accuracy-display strong {
    color: var(--viz-text);
    font-family: var(--viz-mono-font);
}

.timeline-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.timeline-controls .btn {
    padding: 4px 10px;
}

.epoch-slider {
    flex: 1;
    min-width: 200px;
    height: 6px;
    cursor: pointer;
}

.epoch-markers {
    position: absolute;
    left: 50px;
    right: 0;
    top: 28px;
    display: flex;
    justify-content: space-between;
    padding: 0 8px;
}

.epoch-marker {
    font-size: 10px;
    color: var(--viz-text-muted);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 3px;
    transition: all 0.15s ease;
    font-family: var(--viz-mono-font);
}

.epoch-marker:hover {
    background-color: var(--viz-hover-bg);
    color: var(--viz-text);
}

.epoch-marker.active {
    background-color: var(--viz-active-bg);
    color: var(--viz-active-border);
    font-weight: bold;
}

[data-theme="gruvbox-dark"] .epoch-marker.active {
    background-color: rgba(250, 189, 47, 0.3);
    color: #fabd2f;
}

.timeline-hint {
    margin-top: 20px;
    font-size: 11px;
    color: var(--viz-text-muted);
    font-style: italic;
}

.timeline-hint i {
    color: var(--viz-active-border);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 992px) {
    #scatter-canvas {
        width: 100%;
        max-width: 600px;
        height: auto;
    }

    .digit-legend {
        gap: 8px;
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    .algorithm-tabs .btn {
        font-size: 11px;
        padding: 5px 8px;
    }

    .digit-filter-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 4px;
    }

    .digit-toggle {
        font-size: 12px;
        padding: 3px 0;
    }

    .digit-legend {
        font-size: 10px;
        gap: 6px;
    }

    .digit-legend .legend-color {
        width: 12px;
        height: 12px;
    }
}

@media (max-width: 480px) {
    .digit-filter-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}