/**
 * Bayesian Belief Network Styles
 *
 * Visualization-specific styles only. Common styles are in visualizations.css.
 */

/* ============================================
   BBN-Specific CSS Custom Properties
   ============================================ */
:root {
    /* Core colors - reference shared */
    --bbn-bg: var(--viz-bg);
    --bbn-canvas-bg: var(--viz-canvas-bg);
    --bbn-border: var(--viz-border);
    --bbn-text: var(--viz-text);

    /* Node colors */
    --bbn-node-bg: #ffffff;
    --bbn-node-border: #dee2e6;
    --bbn-node-header: #f5f5f5;
    --bbn-node-header-text: #2c3e50;
    --bbn-node-text: #333333;

    /* Evidence True - green */
    --bbn-evidence-true-bg: #e8f5e9;
    --bbn-evidence-true-border: #4caf50;
    --bbn-evidence-true-text: #2e7d32;

    /* Evidence False - red */
    --bbn-evidence-false-bg: #ffebee;
    --bbn-evidence-false-border: #f44336;
    --bbn-evidence-false-text: #c62828;

    /* Selected node - light blue */
    --bbn-selected-bg: var(--viz-info-bg);
    --bbn-selected-border: var(--viz-info-border);
    --bbn-selected-text: #1565c0;

    /* Edge colors */
    --bbn-edge-color: #90a4ae;
    --bbn-edge-arrow: #607d8b;

    /* Probability bars */
    --bbn-prob-bar-bg: #e0e0e0;
    --bbn-prob-bar-fill: #4caf50;
    --bbn-prob-bar-low: #ff9800;
    --bbn-prob-bar-high: #2196f3;

    /* CPT table */
    --bbn-cpt-header-bg: #f5f5f5;
    --bbn-cpt-cell-bg: #ffffff;
    --bbn-cpt-hover-bg: #e3f2fd;
    --bbn-cpt-input-bg: #ffffff;
    --bbn-cpt-input-border: #ced4da;
}

[data-theme="gruvbox-dark"] {
    --bbn-node-bg: #3c3836;
    --bbn-node-border: #504945;
    --bbn-node-header: #1d2021;
    --bbn-node-header-text: #ebdbb2;
    --bbn-node-text: #ebdbb2;

    /* Evidence True */
    --bbn-evidence-true-bg: rgba(184, 187, 38, 0.25);
    --bbn-evidence-true-border: #b8bb26;
    --bbn-evidence-true-text: #b8bb26;

    /* Evidence False */
    --bbn-evidence-false-bg: rgba(251, 73, 52, 0.25);
    --bbn-evidence-false-border: #fb4934;
    --bbn-evidence-false-text: #fb4934;

    /* Selected node */
    --bbn-selected-text: #83a598;

    /* Edge colors */
    --bbn-edge-color: #665c54;
    --bbn-edge-arrow: #a89984;

    /* Probability bars */
    --bbn-prob-bar-bg: #3c3836;
    --bbn-prob-bar-fill: #b8bb26;
    --bbn-prob-bar-low: #fe8019;
    --bbn-prob-bar-high: #83a598;

    /* CPT table */
    --bbn-cpt-header-bg: #3c3836;
    --bbn-cpt-cell-bg: #282828;
    --bbn-cpt-hover-bg: rgba(131, 165, 152, 0.15);
    --bbn-cpt-input-bg: #32302f;
    --bbn-cpt-input-border: #504945;
}

/* ============================================
   Main Panel
   ============================================ */
.bbn-panel {
    margin-bottom: 15px;
}

.bbn-panel-body {
    padding: 10px;
    background-color: var(--bbn-canvas-bg);
}

.bbn-stats {
    font-size: 0.85em;
    color: var(--bbn-text);
    opacity: 0.7;
}

/* ============================================
   Header Controls
   ============================================ */
.bbn-header-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bbn-node-count {
    font-size: 11px;
    font-weight: normal;
    opacity: 0.7;
    margin-right: 10px;
}

.bbn-network-select {
    font-size: 12px;
    padding: 2px 6px;
    border: 1px solid var(--bbn-border);
    border-radius: 3px;
    background-color: var(--bbn-bg);
    color: var(--bbn-text);
    cursor: pointer;
}

.bbn-network-select:focus {
    outline: none;
    border-color: var(--bbn-selected-border);
}

/* ============================================
   Canvas
   ============================================ */
.bbn-canvas-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

#bbn-canvas {
    background-color: var(--bbn-canvas-bg);
    border-radius: 4px;
    cursor: pointer;
}

/* ============================================
   Tooltip
   ============================================ */
.bbn-tooltip {
    position: absolute;
    display: none;
    background-color: var(--bbn-bg);
    border: 1px solid var(--bbn-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;
}

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

/* Legend dots */
.bbn-dot-normal { background-color: var(--bbn-node-border); }
.bbn-dot-evidence { background-color: var(--bbn-evidence-true-border); }
.bbn-dot-query { background-color: var(--bbn-selected-border); }

.bbn-legend-bar {
    margin: 0;
    padding: 0;
}

/* ============================================
   Footer
   ============================================ */
.bbn-footer {
    padding: 8px 15px;
}

.bbn-footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

#btn-reset {
    font-size: 12px;
    padding: 4px 8px;
}

.bbn-evidence-section {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-left: auto;
}

.bbn-evidence-label {
    font-size: 0.85em;
    color: var(--bbn-text);
    opacity: 0.8;
}

.bbn-evidence-label i {
    margin-right: 4px;
}

/* ============================================
   Inline Evidence List
   ============================================ */
.evidence-list-inline {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.evidence-tag-inline {
    display: inline-flex;
    align-items: center;
    background-color: var(--bbn-selected-bg);
    border: 1px solid var(--bbn-selected-border);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 0.8em;
    color: var(--bbn-selected-text);
}

.evidence-tag-inline.evidence-true {
    background-color: var(--bbn-evidence-true-bg);
    border-color: var(--bbn-evidence-true-border);
    color: var(--bbn-evidence-true-text);
}

.evidence-tag-inline.evidence-false {
    background-color: var(--bbn-evidence-false-bg);
    border-color: var(--bbn-evidence-false-border);
    color: var(--bbn-evidence-false-text);
}

.evidence-tag-inline strong {
    margin-right: 2px;
}

.evidence-remove-inline {
    margin-left: 6px;
    cursor: pointer;
    opacity: 0.7;
}

.evidence-remove-inline:hover {
    opacity: 1;
    color: #dc3545;
}

/* ============================================
   CPT Panel
   ============================================ */
.cpt-panel-body {
    min-height: 150px;
}

.no-node-message-inline {
    text-align: center;
    padding: 20px 10px;
    color: var(--bbn-text);
    opacity: 0.6;
}

.no-node-message-inline i {
    margin-right: 6px;
}

/* ============================================
   CPT Table
   ============================================ */
.cpt-table {
    font-size: 0.85em;
    margin-bottom: 10px;
    background-color: var(--bbn-cpt-cell-bg);
}

.cpt-table th {
    background-color: var(--bbn-cpt-header-bg);
    font-weight: 600;
    text-align: center;
    padding: 6px 8px;
    color: var(--bbn-text);
    border-color: var(--bbn-border);
}

.cpt-table td {
    text-align: center;
    padding: 4px 6px;
    vertical-align: middle;
    color: var(--bbn-text);
    border-color: var(--bbn-border);
}

.cpt-table tr:hover td {
    background-color: var(--bbn-cpt-hover-bg);
}

.cpt-table .parent-value {
    font-weight: 500;
    background-color: var(--bbn-cpt-header-bg);
}

.cpt-input {
    width: 60px;
    text-align: center;
    padding: 2px 4px;
    font-size: 0.9em;
    border: 1px solid var(--bbn-cpt-input-border);
    border-radius: 3px;
    background-color: var(--bbn-cpt-input-bg);
    color: var(--bbn-text);
}

.cpt-input:focus {
    outline: none;
    border-color: var(--bbn-node-border);
    box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.2);
}

.cpt-input.invalid {
    border-color: #dc3545;
    background-color: rgba(220, 53, 69, 0.1);
}

.cpt-controls {
    text-align: right;
    font-size: 0.85em;
    color: var(--bbn-text);
}

/* ============================================
   Evidence List
   ============================================ */
.evidence-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.evidence-tag {
    display: inline-flex;
    align-items: center;
    background-color: var(--bbn-selected-bg);
    border: 1px solid var(--bbn-selected-border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 0.85em;
}

.evidence-tag-name {
    font-weight: 600;
    margin-right: 4px;
}

.evidence-tag-value {
    color: var(--bbn-selected-text);
}

.evidence-tag-remove {
    margin-left: 6px;
    cursor: pointer;
    opacity: 0.6;
    font-size: 0.9em;
}

.evidence-tag-remove:hover {
    opacity: 1;
    color: #dc3545;
}

/* ============================================
   Info Tabs Override
   ============================================ */
.tab-content pre {
    font-size: 0.85em;
    background-color: var(--bbn-cpt-header-bg);
    border-color: var(--bbn-border);
    color: var(--bbn-text);
}

.tab-content code {
    background-color: var(--bbn-cpt-header-bg);
    color: var(--bbn-node-text);
}

/* ============================================
   Calculation Section
   ============================================ */
.calc-section {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--bbn-border);
}

.calc-section:last-child {
    border-bottom: none;
}

.calc-section h5 {
    font-size: 0.9em;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--bbn-node-header-text);
}

.calc-formula {
    font-family: 'Times New Roman', serif;
    font-size: 1em;
    font-style: italic;
    color: var(--bbn-text);
    padding: 4px 0;
}

.calc-formula-block {
    background-color: var(--bbn-cpt-header-bg);
    border-radius: 4px;
    padding: 8px 12px;
    margin: 8px 0;
}

.calc-value {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--bbn-selected-text);
}

.calc-note {
    font-size: 0.85em;
    color: var(--bbn-text);
    opacity: 0.7;
    margin-top: 4px;
}

.calc-evidence-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.calc-evidence-list li {
    padding: 2px 0;
    font-size: 0.9em;
    color: var(--bbn-text);
}

.calc-evidence-list li::before {
    content: "• ";
    color: var(--bbn-selected-border);
}

.calc-implied {
    font-style: italic;
    opacity: 0.7;
    font-size: 0.85em;
    margin-left: 4px;
}

.calc-step {
    margin: 10px 0;
}

.calc-step strong {
    display: block;
    font-size: 0.85em;
    margin-bottom: 4px;
    color: var(--bbn-node-header-text);
}

/* ============================================
   Calculation Table
   ============================================ */
.calc-table {
    width: 100%;
    font-size: 0.85em;
    border-collapse: collapse;
    margin: 4px 0;
}

.calc-table td {
    padding: 3px 6px;
    border: 1px solid var(--bbn-border);
    color: var(--bbn-text);
}

.calc-table td:first-child {
    font-family: 'Times New Roman', serif;
    font-style: italic;
}

.calc-table td:last-child {
    font-family: var(--viz-mono-font);
    text-align: right;
}

.calc-table tr.calc-highlight td {
    background-color: var(--bbn-selected-bg);
    color: var(--bbn-selected-text);
    font-weight: 600;
}

.calc-table td:nth-child(3) {
    font-weight: 600;
}

.calc-with-numbers {
    font-family: var(--viz-mono-font);
    font-style: normal !important;
    color: var(--bbn-text);
    opacity: 0.9;
}

.calc-result {
    font-style: normal !important;
    margin-top: 4px;
}

.calc-result strong {
    color: var(--bbn-selected-text);
    font-size: 1.1em;
}

.calc-product {
    margin: 4px 0;
}

/* ============================================
   Evidence Dropdown Menu
   ============================================ */
.evidence-dropdown {
    position: absolute;
    background-color: var(--bbn-bg);
    border: 1px solid var(--bbn-border);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    min-width: 90px;
    overflow: hidden;
}

.evidence-dropdown-option {
    padding: 6px 12px;
    cursor: pointer;
    font-size: 12px;
    color: var(--bbn-text);
    border-bottom: 1px solid var(--bbn-border);
}

.evidence-dropdown-option:last-child {
    border-bottom: none;
}

.evidence-dropdown-option:hover {
    background-color: var(--bbn-cpt-hover-bg);
}

.evidence-dropdown-option.selected {
    background-color: var(--bbn-selected-bg);
    color: var(--bbn-selected-text);
    font-weight: 600;
}

.evidence-dropdown-option.none-option {
    font-style: italic;
    color: var(--bbn-text);
    opacity: 0.7;
}

.evidence-dropdown-option.none-option:hover {
    opacity: 1;
}

/* ============================================
   Visual Calculation Panel
   ============================================ */
.bbn-calc-panel {
    margin-top: 15px;
}

.bbn-calc-panel .panel-body {
    min-height: 120px;
}

.calc-placeholder {
    text-align: center;
    padding: 40px 20px;
    color: var(--bbn-text);
    opacity: 0.6;
    font-size: 1em;
}

.calc-placeholder i {
    font-size: 1.5em;
    display: block;
    margin-bottom: 10px;
}

/* Main calculation layout */
.calc-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Query header row */
.calc-query-row {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 15px;
    background: linear-gradient(135deg, var(--bbn-selected-bg) 0%, rgba(33, 150, 243, 0.05) 100%);
    border-radius: 8px;
    border-left: 4px solid var(--bbn-selected-border);
}

.calc-query-label {
    font-size: 0.9em;
    color: var(--bbn-text);
    opacity: 0.7;
}

.calc-query-formula {
    font-family: 'Times New Roman', Georgia, serif;
    font-size: 1.4em;
    font-style: italic;
    color: var(--bbn-text);
}

.calc-query-result {
    margin-left: auto;
    font-size: 2em;
    font-weight: bold;
    color: var(--bbn-selected-text);
}

/* Evidence tags in calculation */
.calc-evidence-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.calc-evidence-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 500;
}

.calc-evidence-tag.evidence-true {
    background-color: var(--bbn-evidence-true-bg);
    border: 1px solid var(--bbn-evidence-true-border);
    color: var(--bbn-evidence-true-text);
}

.calc-evidence-tag.evidence-false {
    background-color: var(--bbn-evidence-false-bg);
    border: 1px solid var(--bbn-evidence-false-border);
    color: var(--bbn-evidence-false-text);
}

.calc-evidence-tag.evidence-other {
    background-color: var(--bbn-selected-bg);
    border: 1px solid var(--bbn-selected-border);
    color: var(--bbn-selected-text);
}

/* ============================================
   Factor Chain
   ============================================ */
.calc-factor-chain {
    display: flex;
    align-items: stretch;
    gap: 8px;
    flex-wrap: wrap;
    padding: 15px;
    background-color: var(--bbn-cpt-header-bg);
    border-radius: 8px;
}

.calc-factor {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--bbn-bg);
    border: 2px solid var(--bbn-border);
    border-radius: 6px;
    min-width: 100px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.calc-factor:hover {
    border-color: var(--bbn-selected-border);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.2);
}

.calc-factor-label {
    font-size: 0.75em;
    color: var(--bbn-text);
    opacity: 0.7;
    margin-bottom: 4px;
    text-align: center;
}

.calc-factor-expr {
    font-family: 'Times New Roman', Georgia, serif;
    font-size: 0.9em;
    font-style: italic;
    color: var(--bbn-text);
    margin-bottom: 6px;
    text-align: center;
}

.calc-factor-value {
    font-family: var(--viz-mono-font);
    font-size: 1.1em;
    font-weight: 600;
    color: var(--bbn-selected-text);
}

.calc-factor.from-cpt {
    border-color: #9c27b0;
}

.calc-factor.from-cpt .calc-factor-label {
    color: #9c27b0;
}

.calc-factor.from-evidence {
    border-color: var(--bbn-evidence-true-border);
}

.calc-factor.from-evidence .calc-factor-label {
    color: var(--bbn-evidence-true-text);
}

/* Operators */
.calc-operator {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    color: var(--bbn-text);
    opacity: 0.5;
    padding: 0 5px;
}

.calc-equals {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    color: var(--bbn-text);
    padding: 0 10px;
}

.calc-chain-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--bbn-selected-bg) 0%, rgba(33, 150, 243, 0.15) 100%);
    border: 2px solid var(--bbn-selected-border);
    border-radius: 6px;
}

.calc-chain-result-label {
    font-size: 0.75em;
    color: var(--bbn-selected-text);
    margin-bottom: 4px;
}

.calc-chain-result-value {
    font-family: var(--viz-mono-font);
    font-size: 1.3em;
    font-weight: bold;
    color: var(--bbn-selected-text);
}

/* ============================================
   Summation Section
   ============================================ */
.calc-summation {
    padding: 15px;
    background-color: var(--bbn-cpt-header-bg);
    border-radius: 8px;
}

.calc-summation-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--bbn-border);
}

.calc-summation-label {
    font-size: 0.9em;
    font-weight: 600;
    color: var(--bbn-node-header-text);
}

.calc-hidden-vars {
    display: flex;
    gap: 6px;
}

.calc-hidden-var {
    padding: 2px 8px;
    background-color: rgba(156, 39, 176, 0.1);
    border: 1px solid #9c27b0;
    border-radius: 4px;
    font-size: 0.8em;
    color: #9c27b0;
}

.calc-sum-terms {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calc-sum-term {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background-color: var(--bbn-bg);
    border-radius: 4px;
    border-left: 3px solid var(--bbn-border);
    cursor: pointer;
    transition: all 0.15s ease;
}

.calc-sum-term[data-assignment]:hover {
    border-left-color: #ffc107;
    background-color: rgba(255, 193, 7, 0.1);
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(255, 193, 7, 0.2);
}

.calc-sum-term[data-assignment]:hover .calc-sum-term-assignment {
    color: #f57c00;
    font-weight: 600;
}

.calc-sum-term[data-assignment].selected {
    border-left-color: #ff9800;
    background-color: rgba(255, 152, 0, 0.2);
    transform: translateX(4px);
    box-shadow: 0 2px 12px rgba(255, 152, 0, 0.3);
}

.calc-sum-term[data-assignment].selected .calc-sum-term-assignment {
    color: #e65100;
    font-weight: 700;
}

.calc-sum-term[data-assignment].selected::after {
    content: '\f00c';
    font-family: 'FontAwesome';
    margin-left: auto;
    color: #ff9800;
    font-size: 12px;
}

.calc-sum-terms::before {
    content: "Hover or click a combination to preview it in the network";
    display: block;
    font-size: 0.8em;
    color: var(--bbn-text);
    opacity: 0.6;
    font-style: italic;
    margin-bottom: 8px;
    padding-left: 4px;
}

.calc-sum-term-assignment {
    font-size: 0.85em;
    color: var(--bbn-text);
    min-width: 180px;
}

.calc-sum-term-factors {
    font-family: var(--viz-mono-font);
    font-size: 0.85em;
    color: var(--bbn-text);
    flex: 1;
}

.calc-sum-term-result {
    font-family: var(--viz-mono-font);
    font-size: 0.9em;
    font-weight: 600;
    color: var(--bbn-text);
    min-width: 100px;
    text-align: right;
}

.calc-sum-total {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 2px solid var(--bbn-border);
}

.calc-sum-total-label {
    font-weight: 600;
    color: var(--bbn-node-header-text);
}

.calc-sum-total-value {
    font-family: var(--viz-mono-font);
    font-size: 1.1em;
    font-weight: bold;
    color: var(--bbn-selected-text);
}

/* ============================================
   Normalization Section
   ============================================ */
.calc-normalization {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 15px;
    background-color: var(--bbn-cpt-header-bg);
    border-radius: 8px;
}

.calc-norm-fraction {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.calc-norm-numerator,
.calc-norm-denominator {
    font-family: var(--viz-mono-font);
    font-size: 1em;
    padding: 4px 12px;
}

.calc-norm-line {
    width: 100%;
    height: 2px;
    background-color: var(--bbn-text);
    margin: 4px 0;
}

.calc-norm-equals {
    font-size: 1.5em;
    color: var(--bbn-text);
}

.calc-norm-result {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--bbn-selected-text);
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--bbn-selected-bg) 0%, rgba(33, 150, 243, 0.15) 100%);
    border: 2px solid var(--bbn-selected-border);
    border-radius: 8px;
}

/* ============================================
   Calculation Legend
   ============================================ */
.calc-legend {
    display: flex;
    gap: 20px;
    padding: 10px 15px;
    background-color: var(--bbn-cpt-header-bg);
    border-radius: 6px;
    font-size: 0.8em;
}

.calc-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.calc-legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    border: 1px solid;
}

.calc-legend-color.cpt {
    background-color: rgba(156, 39, 176, 0.2);
    border-color: #9c27b0;
}

.calc-legend-color.evidence {
    background-color: var(--bbn-evidence-true-bg);
    border-color: var(--bbn-evidence-true-border);
}

.calc-legend-color.query {
    background-color: var(--bbn-selected-bg);
    border-color: var(--bbn-selected-border);
}

/* ============================================
   Section Headers
   ============================================ */
.calc-section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.calc-section-title {
    font-size: 0.95em;
    font-weight: 600;
    color: var(--bbn-node-header-text);
}

.calc-section-subtitle {
    font-size: 0.85em;
    color: var(--bbn-text);
    opacity: 0.7;
}

/* ============================================
   Mathematical Notation
   ============================================ */
.math-formula {
    font-family: 'Times New Roman', 'Cambria Math', Georgia, serif;
    font-size: 1.1em;
    letter-spacing: 0.02em;
}

.math-italic {
    font-style: italic;
    font-weight: 500;
}

.math-var {
    font-style: italic;
    font-weight: 500;
    color: var(--bbn-selected-text);
}

.math-val {
    font-style: normal;
    font-weight: 600;
}

.math-val-small {
    font-style: normal;
    font-size: 0.9em;
}

.math-val-true {
    color: var(--bbn-evidence-true-text);
    font-weight: 600;
    background-color: var(--bbn-evidence-true-bg);
    border: 1px solid var(--bbn-evidence-true-border);
    border-radius: 3px;
    padding: 1px 5px;
    margin: 0 1px;
}

.math-val-false {
    color: var(--bbn-evidence-false-text);
    font-weight: 600;
    background-color: var(--bbn-evidence-false-bg);
    border: 1px solid var(--bbn-evidence-false-border);
    border-radius: 3px;
    padding: 1px 5px;
    margin: 0 1px;
}

.math-given {
    font-style: normal;
    padding: 0 2px;
    color: var(--bbn-text);
}

.math-fn {
    font-style: normal;
    font-variant: small-caps;
    font-size: 0.9em;
}

.math-sum, .math-product {
    font-size: 1.4em;
    font-weight: normal;
    line-height: 1;
    vertical-align: middle;
}

.math-sum-inline {
    font-size: 1.1em;
}

.math-subscript {
    font-size: 0.75em;
    vertical-align: baseline;
    position: relative;
    top: 0.3em;
}

.math-subscript-small {
    font-size: 0.7em;
    vertical-align: baseline;
    position: relative;
    top: 0.2em;
    font-style: italic;
}

.math-comma {
    font-style: normal;
}

.math-times {
    padding: 0 4px;
    font-weight: 300;
}

.math-factor {
    display: inline-block;
}

/* Fraction styles */
.math-frac {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: middle;
    margin: 0 8px;
}

.math-frac-num {
    border-bottom: 1.5px solid var(--bbn-text);
    padding: 2px 8px 4px;
}

.math-frac-bar {
    display: none;
}

.math-frac-den {
    padding: 4px 8px 2px;
}

/* ============================================
   General Formula Display
   ============================================ */
.calc-general-formula {
    background: linear-gradient(135deg, var(--bbn-cpt-header-bg) 0%, rgba(33, 150, 243, 0.05) 100%);
    border: 1px solid var(--bbn-border);
    border-left: 3px solid var(--bbn-selected-border);
    border-radius: 6px;
    padding: 12px 16px;
    margin-bottom: 16px;
    text-align: center;
}

.calc-factors-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

/* Bayes formula display */
.calc-bayes-formula {
    background: linear-gradient(135deg, var(--bbn-cpt-header-bg) 0%, rgba(156, 39, 176, 0.05) 100%);
    border: 1px solid var(--bbn-border);
    border-left: 3px solid #9c27b0;
    border-radius: 6px;
    padding: 16px 20px;
    margin-bottom: 16px;
    text-align: center;
}

.calc-bayes-formula .math-formula {
    font-size: 1.2em;
}

/* Highlighted and dimmed terms */
.calc-term-highlight {
    font-weight: bold;
    color: var(--bbn-selected-text);
}

.calc-term-dim {
    opacity: 0.6;
}

/* ============================================
   Expanded Formula
   ============================================ */
.calc-expanded-formula {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px;
    background-color: var(--bbn-cpt-header-bg);
    border-radius: 8px;
    flex-wrap: wrap;
}

.calc-expanded-equals {
    font-size: 1.4em;
    color: var(--bbn-text);
    font-family: 'Times New Roman', 'Cambria Math', Georgia, serif;
}

.calc-expanded-frac {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: 'Times New Roman', 'Cambria Math', Georgia, serif;
}

.calc-expanded-num,
.calc-expanded-den {
    padding: 6px 12px;
    font-size: 1.1em;
    white-space: nowrap;
}

.calc-expanded-num {
    border-bottom: 2px solid var(--bbn-text);
}

.calc-expanded-bar {
    display: none;
}

.calc-expanded-num.calc-numeric,
.calc-expanded-den.calc-numeric {
    font-family: var(--viz-mono-font);
    font-size: 0.95em;
}

.calc-expanded-den {
    padding-top: 4px;
}

.calc-more-terms {
    opacity: 0.6;
    font-style: italic;
}

/* Term with subscript */
.calc-term-with-sub {
    display: inline-block;
    font-family: var(--viz-mono-font);
    font-size: 0.95em;
}

.calc-term-with-sub sub {
    font-family: 'Times New Roman', Georgia, serif;
    font-style: italic;
    font-size: 0.7em;
    color: var(--bbn-text);
    opacity: 0.8;
}

/* Simplified fraction */
.calc-simplified-frac {
    font-weight: bold;
}

.calc-simplified-frac .calc-expanded-num,
.calc-simplified-frac .calc-expanded-den {
    font-family: var(--viz-mono-font);
    font-size: 1.1em;
    font-weight: 600;
}

/* ============================================
   Normalization Header
   ============================================ */
.calc-norm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.calc-norm-query {
    font-size: 1.1em;
}

/* ============================================
   View Toggle Button
   ============================================ */
.calc-view-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 0.85em;
    border: 1px solid var(--bbn-border);
    background: var(--bbn-bg);
    color: var(--bbn-text);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.calc-view-toggle:hover {
    background: var(--bbn-cpt-hover-bg);
    border-color: var(--bbn-selected-border);
}

.calc-view-toggle .toggle-symbolic {
    font-family: 'Times New Roman', Georgia, serif;
    font-style: italic;
    font-weight: 600;
    opacity: 1;
}

.calc-view-toggle .toggle-numeric {
    font-family: var(--viz-mono-font);
    font-size: 0.9em;
    opacity: 0.4;
}

.calc-view-toggle.numeric-active {
    background: var(--bbn-selected-bg);
    border-color: var(--bbn-selected-border);
}

.calc-view-toggle.numeric-active .toggle-symbolic {
    opacity: 0.4;
}

.calc-view-toggle.numeric-active .toggle-numeric {
    opacity: 1;
    color: var(--bbn-selected-text);
}

/* ============================================
   Toggle Buttons (Legacy)
   ============================================ */
.calc-norm-toggles {
    display: flex;
    gap: 4px;
}

.calc-toggle-btn {
    padding: 4px 12px;
    font-size: 0.8em;
    border: 1px solid var(--bbn-border);
    background: var(--bbn-bg);
    color: var(--bbn-text);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.calc-toggle-btn:hover {
    background: var(--bbn-cpt-hover-bg);
}

.calc-toggle-btn.active {
    background: var(--bbn-selected-bg);
    border-color: var(--bbn-selected-border);
    color: var(--bbn-selected-text);
}

/* View switching */
.calc-norm-view {
    display: none;
}

.calc-norm-view.active {
    display: block;
}

/* ============================================
   Fraction Display
   ============================================ */
.calc-frac-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 16px;
    background: var(--bbn-cpt-header-bg);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.calc-frac-display:hover {
    background-color: var(--bbn-cpt-hover-bg);
}

.frac-compressed,
.frac-expanded {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.frac-expand-hint {
    font-size: 0.75em;
    color: var(--viz-text-muted);
    margin-top: 6px;
    opacity: 0.7;
}

.calc-frac-num {
    padding: 8px 12px;
    border-bottom: 2px solid var(--bbn-text);
    text-align: center;
}

.calc-frac-den {
    padding: 8px 12px;
    text-align: center;
}

/* Expandable fraction sections */
.calc-frac-expandable {
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.15s ease;
}

.calc-frac-expandable:hover {
    background-color: var(--bbn-cpt-hover-bg);
}

.calc-frac-expandable .frac-level-0,
.calc-frac-expandable .frac-level-1 {
    font-family: 'Times New Roman', Georgia, serif;
    font-size: 1.1em;
}

.calc-frac-expandable .frac-level-0 .math-italic,
.calc-frac-expandable .frac-level-1 .math-italic,
.calc-frac-expandable .frac-level-0 .math-var,
.calc-frac-expandable .frac-level-1 .math-var {
    font-style: italic;
}

.calc-frac-expandable .frac-level-0 .math-var,
.calc-frac-expandable .frac-level-1 .math-var {
    font-weight: 500;
}

.calc-frac-expandable .frac-level-0 .math-val,
.calc-frac-expandable .frac-level-1 .math-val {
    font-style: normal;
}

.calc-frac-expandable .frac-level-0 .math-sum,
.calc-frac-expandable .frac-level-1 .math-sum {
    font-size: 1.2em;
}

.calc-frac-numeric {
    font-family: var(--viz-mono-font);
    font-size: 0.9em;
}

.calc-frac-symbolic {
    font-family: 'Times New Roman', Georgia, serif;
    font-size: 0.95em;
}

/* ============================================
   Term Styling
   ============================================ */
.calc-term {
    display: inline-block;
    white-space: nowrap;
    padding: 2px 4px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.15s ease;
    margin: 0;
    border-bottom: none;
}

.calc-term:hover {
    background: var(--bbn-cpt-hover-bg);
}

.calc-term.selected {
    background: var(--bbn-selected-bg);
    box-shadow: 0 0 0 2px var(--bbn-selected-border);
}

.calc-term sub {
    font-family: 'Times New Roman', Georgia, serif;
    font-style: italic;
    font-size: 0.7em;
    opacity: 0.7;
    margin-left: 1px;
}

.calc-term .term-symbolic {
    font-family: 'Times New Roman', Georgia, serif;
}

/* Numeric terms */
.calc-numeric-term {
    font-family: var(--viz-mono-font);
    font-size: 0.9em;
}

/* View switching */
.view-symbolic {
    font-family: 'Times New Roman', Georgia, serif;
}

.view-numeric {
    font-family: var(--viz-mono-font);
    font-size: 0.95em;
}

/* ============================================
   Expandable Terms
   ============================================ */
.calc-term-expandable {
    display: inline-block;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--bbn-bg);
    border: 1px solid transparent;
    transition: all 0.15s ease;
    font-family: var(--viz-mono-font);
    font-size: 0.9em;
}

.calc-term-expandable:hover {
    background: var(--bbn-cpt-hover-bg);
    border-color: var(--bbn-border);
}

.calc-term-expandable.highlight {
    color: var(--bbn-selected-text);
    font-weight: 600;
    background: var(--bbn-selected-bg);
    border-color: var(--bbn-selected-border);
}

.calc-term-expandable.highlight:hover {
    background: #c8e6f8;
}

.calc-term-expandable sub {
    font-family: 'Times New Roman', Georgia, serif;
    font-style: italic;
    font-size: 0.75em;
    opacity: 0.8;
    margin-left: 1px;
}

.calc-term-expandable.mode-numeric,
.calc-term-expandable.mode-symbolic {
    background: var(--bbn-cpt-header-bg);
    border-color: var(--bbn-border);
    padding: 4px 8px;
}

.calc-term-expandable.mode-numeric.highlight,
.calc-term-expandable.mode-symbolic.highlight {
    background: #bbdefb;
    border-color: var(--bbn-selected-border);
}

.calc-term-expandable.selected {
    box-shadow: 0 0 0 2px var(--bbn-selected-border);
}

.calc-term-expandable .term-symbolic {
    font-family: 'Times New Roman', Georgia, serif;
    font-size: 0.95em;
}

/* Plus sign between terms */
.calc-plus {
    padding: 0 4px;
    color: var(--bbn-text);
    opacity: 0.7;
}

/* Hint text */
.calc-norm-hint {
    font-size: 0.75em;
    color: var(--bbn-text);
    opacity: 0.5;
    font-style: italic;
    margin-left: auto;
}

/* ============================================
   Result Row
   ============================================ */
.calc-norm-result-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 16px;
    padding: 12px;
    font-size: 1.2em;
}

.calc-eq {
    color: var(--bbn-text);
}

.calc-frac-inline {
    font-family: var(--viz-mono-font);
    font-weight: 600;
}

.calc-frac-inline sup,
.calc-frac-inline sub {
    font-size: 0.85em;
}

.calc-final-percent {
    font-size: 1.4em;
    font-weight: bold;
    color: var(--bbn-selected-text);
    background: var(--bbn-selected-bg);
    padding: 8px 16px;
    border-radius: 8px;
    border: 2px solid var(--bbn-selected-border);
}

.math-dot {
    padding: 0 2px;
    font-weight: bold;
}