/**
 * Shared Visualization Styles
 *
 * Common CSS patterns used across all visualization pages.
 * Individual visualization CSS files should import this and only
 * define visualization-specific styles.
 */

/* ============================================
   Shared CSS Custom Properties
   ============================================ */
:root {
    /* Common UI colors */
    --viz-bg: #ffffff;
    --viz-border: #dee2e6;
    --viz-text: #333333;
    --viz-text-muted: #6c757d;
    --viz-hover-bg: #f8f9fa;
    --viz-canvas-bg: #fafafa;

    /* Active/highlight states */
    --viz-active-bg: #d4edda;
    --viz-active-border: #28a745;

    /* Monospace font stack */
    --viz-mono-font: 'SF Mono', 'Menlo', 'Monaco', 'Consolas', 'Courier New', monospace;

    /* Common semantic colors */
    --viz-success-bg: #d4edda;
    --viz-success-border: #28a745;
    --viz-warning-bg: #fff3cd;
    --viz-warning-border: #ffc107;
    --viz-danger-bg: #f8d7da;
    --viz-danger-border: #dc3545;
    --viz-info-bg: #cce5ff;
    --viz-info-border: #007bff;
}

[data-theme="gruvbox-dark"] {
    --viz-bg: #282828;
    --viz-border: #504945;
    --viz-text: #ebdbb2;
    --viz-text-muted: #a89984;
    --viz-hover-bg: #3c3836;
    --viz-canvas-bg: #1d2021;

    --viz-active-bg: rgba(184, 187, 38, 0.3);
    --viz-active-border: #b8bb26;

    --viz-success-bg: rgba(184, 187, 38, 0.3);
    --viz-success-border: #b8bb26;
    --viz-warning-bg: rgba(250, 189, 47, 0.3);
    --viz-warning-border: #fabd2f;
    --viz-danger-bg: rgba(251, 73, 52, 0.3);
    --viz-danger-border: #fb4934;
    --viz-info-bg: rgba(131, 165, 152, 0.3);
    --viz-info-border: #83a598;
}

/* ============================================
   Canvas Container
   ============================================ */
.canvas-panel-body {
    padding: 0 !important;
}

.canvas-wrapper {
    position: relative;
    display: block;
    line-height: 0;
    width: 100%;
}

/* ============================================
   Compact Panel Styling
   ============================================ */
.compact-panel {
    padding: 10px 15px !important;
}

/* ============================================
   Option Row Layout
   ============================================ */
.option-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

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

.option-row label:first-child {
    min-width: 70px;
    margin: 0;
    font-size: 12px;
}

.option-row select {
    flex: 1;
    font-size: 12px;
}

.option-row .checkbox-inline {
    margin: 0;
    font-size: 12px;
}

/* ============================================
   Info Panel Tabs
   ============================================ */
.info-panel-tabs {
    display: flex;
    width: 100%;
}

.info-panel-tabs .btn {
    flex: 1;
    border-radius: 0;
    font-size: 11px;
    padding: 6px 4px;
}

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

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

.info-panel-body {
    padding: 0 !important;
    min-height: 280px;
}

.info-tab-content {
    display: none;
    padding: 15px;
    height: 100%;
}

.info-tab-content.active {
    display: block;
}

/* ============================================
   Metrics Table
   ============================================ */
.metrics-table {
    margin-bottom: 0;
    font-size: 12px;
}

.metrics-table td {
    padding: 4px 6px;
}

.metrics-table td:nth-child(odd) {
    white-space: nowrap;
}

.metrics-table .metric-value {
    font-family: var(--viz-mono-font);
    font-weight: bold;
    min-width: 40px;
}

/* ============================================
   Legend Styles
   ============================================ */
.viz-legend,
.grid-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--viz-text);
}

.legend-color {
    width: 14px;
    height: 14px;
    border-radius: 2px;
    border: 1px solid var(--viz-border);
}

.legend-line {
    width: 24px;
    height: 3px;
    border-radius: 1px;
}

/* Legend footer at bottom of panels */
.legend-footer {
    padding: 8px 15px !important;
    text-align: center;
    background: var(--viz-bg);
    border-top: 1px solid var(--viz-border);
}

/* ============================================
   Loading Overlay
   ============================================ */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    border-radius: 4px;
}

[data-theme="gruvbox-dark"] .loading-overlay {
    background: rgba(40, 40, 40, 0.9);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--viz-border);
    border-top-color: var(--viz-active-border);
    border-radius: 50%;
    animation: viz-spin 0.8s linear infinite;
}

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

.loading-text {
    margin-top: 12px;
    font-size: 14px;
    color: var(--viz-text);
}

/* ============================================
   Edit Toolbar
   ============================================ */
.edit-toolbar {
    display: none;
}

.edit-toolbar.active {
    display: flex;
}

/* ============================================
   Algorithm & Interaction Lists
   ============================================ */
.algorithm-list,
.interaction-list,
.formula-list {
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 12px;
}

.algorithm-list li,
.interaction-list li,
.formula-list li {
    margin-bottom: 4px;
}

/* ============================================
   Code & Formula Display
   ============================================ */
code {
    display: inline-block;
    background: var(--viz-hover-bg);
    padding: 4px 8px;
    border-radius: 3px;
    font-family: var(--viz-mono-font);
    font-size: 12px;
    margin: 4px 0;
}

.formula-desc {
    font-size: 11px;
    color: var(--viz-text-muted);
    margin-top: 2px;
    margin-bottom: 12px;
}

/* ============================================
   Comparison Table
   ============================================ */
.compare-controls {
    margin-bottom: 12px;
}

.compare-table-container {
    max-height: 200px;
    overflow-y: auto;
}

.comparison-table,
#comparison-table {
    margin-bottom: 0;
    font-size: 11px;
    border-collapse: separate;
    border-spacing: 0;
}

.comparison-table th,
#comparison-table th {
    background-color: var(--viz-hover-bg);
    text-align: center;
    color: var(--viz-text);
    padding: 5px 6px;
    position: sticky;
    top: 0;
    z-index: 1;
    font-size: 10px;
}

.comparison-table td,
#comparison-table td {
    text-align: center;
    font-family: var(--viz-mono-font);
    color: var(--viz-text);
    padding: 4px 6px;
}

.comparison-table td:first-child,
#comparison-table td:first-child {
    text-align: left;
    font-family: inherit;
    white-space: nowrap;
}

.comparison-table td.best-value,
#comparison-table td.best-value {
    background-color: var(--viz-success-bg);
    font-weight: bold;
    color: var(--viz-success-border);
    border: 1px solid var(--viz-success-border);
}

.comparison-table tr,
#comparison-table tr {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.comparison-table tbody tr:hover,
#comparison-table tbody tr:hover {
    background-color: var(--viz-hover-bg);
}

.comparison-table tr.selected-row,
#comparison-table tr.selected-row {
    outline: 2px solid var(--viz-warning-border);
    outline-offset: -2px;
}

.comparison-table tr.selected-row td:first-child,
#comparison-table tr.selected-row td:first-child {
    background-color: var(--viz-warning-bg);
    font-weight: bold;
}

.compare-hint {
    margin-top: 10px;
    font-size: 11px;
    color: var(--viz-text-muted);
    font-style: italic;
}

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

/* ============================================
   Playback Controls
   ============================================ */
.playback-buttons {
    display: flex;
    gap: 5px;
    margin: 0;
}

.playback-buttons .btn {
    padding: 6px 12px;
}

.playback-status {
    font-size: 12px;
    color: var(--viz-text-muted);
    font-family: var(--viz-mono-font);
    min-width: 100px;
    text-align: center;
}

.speed-control-inline {
    display: flex;
    align-items: center;
    gap: 6px;
}

.speed-control-inline label {
    margin: 0;
    font-size: 12px;
    white-space: nowrap;
    color: var(--viz-text-muted);
}

.speed-control-inline input[type="range"] {
    width: 80px;
    margin: 0;
}

/* ============================================
   Execution Log
   ============================================ */
.execution-log {
    max-height: 200px;
    overflow-y: auto;
    font-family: var(--viz-mono-font);
    font-size: 11px;
    background-color: var(--viz-bg);
    border: 1px solid var(--viz-border);
    border-radius: 4px;
    padding: 8px;
}

.log-header {
    margin-bottom: 10px;
    min-height: 24px;
}

.log-entry {
    padding: 3px 6px;
    margin: 2px 0;
    border-radius: 3px;
    display: flex;
    gap: 6px;
}

.log-icon {
    flex-shrink: 0;
    width: 14px;
    text-align: center;
}

.log-message {
    flex-grow: 1;
    word-wrap: break-word;
}

/* Log entry types */
.log-entry.log-info {
    background-color: rgba(131, 165, 152, 0.15);
    color: #17a2b8;
}

.log-entry.log-success {
    background-color: rgba(184, 187, 38, 0.25);
    color: #98971a;
    font-weight: bold;
}

.log-entry.log-failure {
    background-color: rgba(251, 73, 52, 0.25);
    color: #cc241d;
    font-weight: bold;
}

.log-entry.log-warning {
    background-color: rgba(250, 189, 47, 0.15);
    color: #d79921;
}

[data-theme="gruvbox-dark"] .log-entry.log-info { color: #83a598; }
[data-theme="gruvbox-dark"] .log-entry.log-success { color: #b8bb26; }
[data-theme="gruvbox-dark"] .log-entry.log-failure { color: #fb4934; }
[data-theme="gruvbox-dark"] .log-entry.log-warning { color: #fabd2f; }

/* ============================================
   Tree Visualization Common Styles
   ============================================ */
.tree-panel-body {
    padding: 0 !important;
}

.tree-wrapper {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--viz-border);
    border-radius: 4px;
    background: var(--viz-bg);
    cursor: grab;
}

.tree-wrapper:active {
    cursor: grabbing;
}

.tree-wrapper svg {
    display: block;
}

/* Tree controls bar */
.tree-controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 15px;
    background-color: var(--viz-hover-bg);
    border-top: 1px solid var(--viz-border);
}

[data-theme="gruvbox-dark"] .tree-controls-bar {
    background-color: #282828;
}

/* Tree legend */
.tree-legend-bar {
    display: flex;
    gap: 15px;
    font-size: 11px;
}

.tree-legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--viz-text-muted);
}

.tree-legend-dot {
    width: 14px;
    height: 14px;
    border-radius: 2px;
    border: 2px solid;
}

/* Tree zoom controls */
.tree-zoom-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--viz-text-muted);
}

.tree-zoom-controls input[type="range"] {
    width: 80px;
    height: 4px;
    cursor: pointer;
}

/* Tree tooltip */
.tree-tooltip {
    position: absolute;
    padding: 8px 12px;
    background-color: var(--viz-bg);
    border: 1px solid var(--viz-border);
    border-radius: 4px;
    font-family: var(--viz-mono-font);
    font-size: 11px;
    color: var(--viz-text);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    max-width: 220px;
}

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

.tree-tooltip-title {
    font-weight: bold;
    margin-bottom: 4px;
    color: var(--viz-warning-border);
}

.tree-tooltip-info {
    color: var(--viz-text-muted);
    line-height: 1.4;
}

[data-theme="gruvbox-dark"] .tree-tooltip {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* Tree nodes */
.tree-node {
    cursor: pointer;
}

.tree-node:hover .tree-node-bg,
.tree-node:hover .tree-grid-bg {
    filter: brightness(1.1);
}

.tree-node-label {
    font-family: var(--viz-mono-font);
    font-size: 9px;
    text-anchor: middle;
    fill: var(--viz-text-muted);
    pointer-events: none;
}

/* Tree edges */
.tree-edge {
    fill: none;
    stroke: var(--viz-border);
    stroke-width: 2;
    opacity: 0.6;
}

.tree-edge.active {
    stroke: var(--viz-warning-border);
    stroke-width: 3;
    opacity: 1;
}

.tree-edge.success {
    stroke: var(--viz-success-border);
    stroke-width: 3;
    opacity: 1;
}

.tree-empty-message {
    fill: var(--viz-text-muted);
    font-size: 14px;
}

/* ============================================
   Tooltip Common Styles
   ============================================ */
.viz-tooltip {
    position: absolute;
    display: none;
    background-color: var(--viz-bg);
    border: 1px solid var(--viz-border);
    border-radius: 4px;
    padding: 8px 12px;
    font-size: 0.85em;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    pointer-events: none;
    z-index: 100;
    max-width: 200px;
}

.viz-tooltip.visible {
    display: block;
}

/* ============================================
   No Data / Empty State Messages
   ============================================ */
.no-node-message,
.no-data-message {
    text-align: center;
    padding: 30px;
    color: var(--viz-text-muted);
}

.no-node-message i,
.no-data-message i {
    display: block;
    font-size: 2em;
    margin-bottom: 10px;
}

.list-empty {
    color: var(--viz-text-muted);
    font-style: italic;
    padding: 12px;
    text-align: center;
}

/* ============================================
   Stepper Controls (K, Depth, etc.)
   ============================================ */
.stepper-control {
    display: flex;
    align-items: center;
    gap: 2px;
}

.stepper-control .btn {
    padding: 2px 8px;
    font-size: 14px;
    line-height: 1;
}

.stepper-input {
    width: 32px;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--viz-border);
    border-radius: 3px;
    padding: 2px 4px;
    background: var(--viz-bg);
    color: var(--viz-text);
}

/* ============================================
   Class Colors (for classification visualizations)
   ============================================ */
:root {
    /* Categorical colors - from ThemeManager */
    --viz-class-0: #e41a1c;
    --viz-class-1: #377eb8;
    --viz-class-2: #4daf4a;
    --viz-class-3: #984ea3;
    --viz-class-4: #ff7f00;
    --viz-class-5: #c4a000;
    --viz-class-6: #a65628;
    --viz-class-7: #f781bf;
    --viz-class-8: #999999;
    --viz-class-9: #17becf;

    /* Query point */
    --viz-query-bg: #ffd700;
    --viz-query-border: #b8860b;
}

[data-theme="gruvbox-dark"] {
    --viz-class-0: #fb4934;
    --viz-class-1: #83a598;
    --viz-class-2: #b8bb26;
    --viz-class-3: #d3869b;
    --viz-class-4: #fe8019;
    --viz-class-5: #fabd2f;
    --viz-class-6: #d65d0e;
    --viz-class-7: #d3869b;
    --viz-class-8: #928374;
    --viz-class-9: #8ec07c;

    --viz-query-bg: #fabd2f;
    --viz-query-border: #d79921;
}

/* Class color utilities */
.legend-color.class-0, .class-0 .legend-color { background-color: var(--viz-class-0); }
.legend-color.class-1, .class-1 .legend-color { background-color: var(--viz-class-1); }
.legend-color.class-2, .class-2 .legend-color { background-color: var(--viz-class-2); }
.legend-color.class-3, .class-3 .legend-color { background-color: var(--viz-class-3); }
.legend-color.class-4, .class-4 .legend-color { background-color: var(--viz-class-4); }
.legend-color.class-5, .class-5 .legend-color { background-color: var(--viz-class-5); }
.legend-color.class-6, .class-6 .legend-color { background-color: var(--viz-class-6); }
.legend-color.class-7, .class-7 .legend-color { background-color: var(--viz-class-7); }
.legend-color.class-8, .class-8 .legend-color { background-color: var(--viz-class-8); }
.legend-color.class-9, .class-9 .legend-color { background-color: var(--viz-class-9); }

.legend-color.query-point {
    background-color: var(--viz-query-bg);
    border: 2px solid var(--viz-query-border);
    box-sizing: border-box;
}

/* Prediction badges */
.prediction-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-weight: 600;
    color: #fff;
    font-size: 11px;
}

.prediction-badge.class-0 { background-color: var(--viz-class-0); }
.prediction-badge.class-1 { background-color: var(--viz-class-1); }
.prediction-badge.class-2 { background-color: var(--viz-class-2); }

/* Class selector buttons */
.class-selector .btn[data-class="0"].active {
    background-color: var(--viz-class-0);
    border-color: var(--viz-class-0);
    color: #fff;
}

.class-selector .btn[data-class="1"].active {
    background-color: var(--viz-class-1);
    border-color: var(--viz-class-1);
    color: #fff;
}

.class-selector .btn[data-class="2"].active {
    background-color: var(--viz-class-2);
    border-color: var(--viz-class-2);
    color: #fff;
}

/* ============================================
   Panel Full Height Layout
   ============================================ */
.panel-full-height {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.panel-full-height > .panel-body {
    flex: 1;
    overflow: auto;
}

.panel-full-height .tab-content {
    height: 100%;
}

.panel-full-height .tab-pane {
    height: 100%;
}

/* ============================================
   Pseudocode Display
   ============================================ */
.pseudocode-container {
    background-color: var(--viz-bg);
    border: 1px solid var(--viz-border);
    border-radius: 4px;
    overflow: hidden;
}

.pseudocode {
    margin: 0;
    padding: 6px 0;
    font-family: var(--viz-mono-font);
    font-size: 12px;
    line-height: 1;
    overflow-x: auto;
    background: transparent;
    color: var(--viz-text);
}

.pseudocode code {
    display: block;
    white-space: pre;
    line-height: 1;
    background: transparent;
    padding: 0;
    margin: 0;
}

.pseudocode .line {
    display: block;
    padding: 2px 8px 2px 18px;
    position: relative;
    border-left: 3px solid transparent;
    transition: all 0.15s ease;
    line-height: 1;
}

.pseudocode .line:hover {
    background-color: var(--viz-hover-bg);
}

.pseudocode .line.active {
    background-color: var(--viz-active-bg);
    border-left-color: var(--viz-active-border);
}

.pseudocode .line.active::before {
    content: '\f061';
    font-family: 'FontAwesome';
    position: absolute;
    left: 5px;
    color: var(--viz-active-border);
    font-size: 9px;
}

/* Syntax highlighting */
.pseudocode .keyword {
    color: #d73a49;
    font-weight: bold;
}

.pseudocode .function {
    color: #6f42c1;
    font-weight: bold;
}

.pseudocode .operator {
    color: #005cc5;
    font-weight: bold;
}

.pseudocode .number {
    color: #005cc5;
    font-weight: bold;
}

.pseudocode .string {
    color: #22863a;
    font-weight: bold;
}

.pseudocode .comment {
    color: #6a737d;
    font-style: italic;
}

[data-theme="gruvbox-dark"] .pseudocode .keyword { color: #fb4934; }
[data-theme="gruvbox-dark"] .pseudocode .function { color: #b8bb26; }
[data-theme="gruvbox-dark"] .pseudocode .operator { color: #8ec07c; }
[data-theme="gruvbox-dark"] .pseudocode .number { color: #d3869b; }
[data-theme="gruvbox-dark"] .pseudocode .string { color: #b8bb26; }
[data-theme="gruvbox-dark"] .pseudocode .comment { color: #928374; }

.pseudocode-legend {
    padding: 8px 12px;
    font-size: 11px;
    color: var(--viz-text-muted);
    border-top: 1px solid var(--viz-border);
    background-color: var(--viz-hover-bg);
}

/* ============================================
   Responsive Base Adjustments
   ============================================ */
@media (max-width: 992px) {
    .canvas-wrapper canvas {
        max-width: 100%;
        height: auto;
    }

    .tree-wrapper {
        overflow-x: auto;
    }

    .info-panel-tabs .btn {
        font-size: 10px;
        padding: 5px 3px;
    }
}

@media (max-width: 768px) {
    .option-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .option-row label:first-child {
        min-width: auto;
    }

    .playback-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }

    .tree-legend-bar {
        flex-wrap: wrap;
        gap: 8px;
    }
}