/* ================================================================
   ANALYTICAL ENGINE - TACTICAL OPERATIONS INTERFACE
   ================================================================ */

:root {
    --void: #050506;
    --obsidian: #0c0c0e;
    --carbon: #141416;
    --graphite: #1c1c1f;
    --slate: #27272b;
    --stone: #38383d;
    --signal-red: #ff3b3b;
    --signal-amber: #ffb800;
    --signal-lime: #b8ff00;
    --signal-white: #ffffff;
    --conservative-blue: #1a4782;
    --conservative-blue-light: #2563eb;
    --data-orange: #ff6b35;
    --data-magenta: #ff2d95;
    --data-violet: #a855f7;
    --text-bright: #fafafa;
    --text-normal: #d4d4d4;
    --text-subdued: #858585;
    --text-ghost: #4a4a4a;
    --border-hairline: rgba(255, 255, 255, 0.04);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-visible: rgba(255, 255, 255, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--void);
    color: var(--text-normal);
    min-height: 100vh;
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--stone); }
::-webkit-scrollbar-thumb:hover { background: var(--text-subdued); }

/* ================================================================
   HEADER
   ================================================================ */
.header {
    background: var(--obsidian);
    padding: 0 40px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-hairline);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-logo {
    height: 36px;
    width: auto;
    border-radius: 4px;
    background: white;
    padding: 4px;
}

.header h1 {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-bright);
}

.header-links a {
    color: var(--text-subdued);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color 0.1s;
}

.header-links a:hover { color: var(--signal-white); }

/* ================================================================
   CONTAINER
   ================================================================ */
.container {
    max-width: 1900px;
    margin: 0 auto;
    padding: 36px 48px;
}

/* ================================================================
   CONTROLS SECTION
   ================================================================ */
.controls-section {
    background: var(--obsidian);
    border: 1px solid var(--border-subtle);
    padding: 32px 36px;
    margin-bottom: 32px;
}

.controls-section h2 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 28px;
    color: var(--text-subdued);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-hairline);
}

.control-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 28px;
}

.control-group {
    display: flex;
    flex-direction: column;
}

.control-group label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-subdued);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.control-group select {
    padding: 14px 18px;
    border: 1px solid var(--border-visible);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    background: var(--carbon);
    color: var(--text-normal);
    cursor: pointer;
    transition: all 0.15s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23858585' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.control-group select:hover {
    border-color: var(--text-subdued);
    background: var(--graphite);
}

.control-group select:focus {
    outline: none;
    border-color: var(--conservative-blue-light);
    background: var(--graphite);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.control-group select option {
    background: var(--carbon);
    color: var(--text-normal);
    padding: 10px;
}

/* HELP TOGGLE */
.help-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-subdued);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
    cursor: pointer;
    user-select: none;
}

.help-toggle.inline-help {
    margin-bottom: 0;
    margin-left: 16px;
    padding: 6px 10px;
    border: 1px solid var(--border-visible);
    border-radius: 6px;
    background: var(--carbon);
}

.help-toggle input {
    width: 14px;
    height: 14px;
    accent-color: var(--conservative-blue-light);
}

.help-text {
    display: none;
    font-size: 13px;
    color: var(--text-subdued);
    background: var(--carbon);
    border: 1px solid var(--border-visible);
    padding: 10px 12px;
    border-radius: 6px;
    margin: 8px 0 4px 0;
    line-height: 1.5;
}

.show-help .help-text {
    display: block;
}

/* ================================================================
   AXIS SECTIONS
   ================================================================ */
.axis-section {
    background: var(--carbon);
    padding: 28px 32px;
    margin-bottom: 24px;
    border: 1px solid var(--border-subtle);
    position: relative;
}

.axis-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.axis-section h3 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    display: flex;
    align-items: center;
    gap: 14px;
}

.axis-section.x-axis::before { background: var(--data-orange); }
.axis-section.x-axis h3 { color: var(--data-orange); }
.axis-section.x-axis h3::before {
    content: '01';
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 5px 10px;
    background: var(--data-orange);
    color: var(--void);
}

.axis-section.y-axis::before { background: var(--signal-lime); }
.axis-section.y-axis h3 { color: var(--signal-lime); }
.axis-section.y-axis h3::before {
    content: '02';
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 5px 10px;
    background: var(--signal-lime);
    color: var(--void);
}

/* ================================================================
   BUTTONS
   ================================================================ */
.run-button {
    background: var(--signal-lime);
    color: var(--void);
    border: none;
    padding: 16px 44px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    transition: all 0.1s;
}

.run-button:hover { background: var(--signal-white); }
.run-button:active { transform: scale(0.98); }
.run-button:disabled {
    background: var(--stone);
    color: var(--text-ghost);
    cursor: not-allowed;
}
.run-button span { font-size: 16px; }

.add-filter-btn {
    background: var(--signal-amber);
    color: var(--void);
    border: none;
    padding: 14px 24px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: all 0.1s;
    white-space: nowrap;
}

.add-filter-btn:hover {
    background: var(--signal-lime);
    transform: translateY(-1px);
}

.add-filter-btn:active { transform: scale(0.98); }

.add-filter-btn:disabled {
    background: var(--stone);
    color: var(--text-ghost);
    cursor: not-allowed;
    opacity: 0.5;
}

/* ================================================================
   RESULTS SECTION
   ================================================================ */
.results-section {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 32px;
}

@media (max-width: 1200px) {
    .results-section { grid-template-columns: 1fr; }
}

.chart-container {
    background: var(--obsidian);
    border: 1px solid var(--border-subtle);
    padding: 32px;
}

.chart-wrapper {
    position: relative;
    height: 560px;
    background: var(--carbon);
    border: 1px solid var(--border-hairline);
    padding: 24px;
}

.stats-container {
    background: var(--obsidian);
    border: 1px solid var(--border-subtle);
    padding: 32px;
}

.stats-container h3 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 24px;
    color: var(--text-subdued);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-hairline);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-hairline);
}

.stat-item:last-child { border-bottom: none; }
.stat-label { font-size: 14px; color: var(--text-subdued); }
.stat-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-bright);
    font-family: 'JetBrains Mono', monospace;
}
.stat-value.positive { color: var(--signal-lime); }
.stat-value.negative { color: var(--signal-red); }

.interpretation {
    background: rgba(184, 255, 0, 0.04);
    border-left: 4px solid var(--signal-lime);
    padding: 20px 24px;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-normal);
    line-height: 1.7;
}

.interpretation strong {
    display: block;
    margin-bottom: 10px;
    color: var(--signal-lime);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

/* ================================================================
   ANALYTICS TABS
   ================================================================ */
.analytics-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-bottom: 28px;
    border: 1px solid var(--border-visible);
}

.analytics-tab {
    padding: 12px 8px;
    border: none;
    border-right: 1px solid var(--border-visible);
    background: transparent;
    cursor: pointer;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--text-subdued);
    transition: all 0.1s;
    white-space: nowrap;
    text-align: center;
}

.analytics-tab:last-child { border-right: none; }
.analytics-tab:hover { background: var(--graphite); color: var(--text-normal); }
.analytics-tab.active { background: var(--conservative-blue-light); color: var(--signal-white); }

.analytics-panel { display: none; }
.analytics-panel.active { display: block; }

/* ================================================================
   MARGINAL HISTOGRAMS
   ================================================================ */
.chart-with-margins {
    display: grid;
    grid-template-columns: 1fr 70px;
    grid-template-rows: 70px 1fr;
    gap: 4px;
    height: 560px;
}

.marginal-top { grid-column: 1; grid-row: 1; background: var(--carbon); border: 1px solid var(--border-hairline); }
.marginal-right { grid-column: 2; grid-row: 2; background: var(--carbon); border: 1px solid var(--border-hairline); }
.main-scatter { grid-column: 1; grid-row: 2; background: var(--carbon); border: 1px solid var(--border-hairline); }
.corner-spacer { grid-column: 2; grid-row: 1; }

/* ================================================================
   FACETS
   ================================================================ */
.facet-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    max-height: 580px;
    overflow-y: auto;
}

.facet-panel {
    background: var(--carbon);
    border: 1px solid var(--border-subtle);
    padding: 18px;
}

.facet-panel:hover { border-color: var(--border-visible); }

.facet-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
    color: var(--text-normal);
}

.facet-stats {
    font-size: 13px;
    color: var(--text-subdued);
    margin-top: 12px;
    font-family: 'JetBrains Mono', monospace;
}

.facet-chart { height: 120px; position: relative; }

/* ================================================================
   HEATMAP
   ================================================================ */
.heatmap-container { overflow-x: auto; padding: 8px 0; }

.heatmap-table {
    border-collapse: collapse;
    font-size: 13px;
    width: 100%;
}

.heatmap-table th, .heatmap-table td {
    padding: 14px 16px;
    text-align: center;
    border: 1px solid var(--border-hairline);
}

.heatmap-table th {
    background: var(--carbon);
    font-weight: 700;
    color: var(--text-subdued);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 11px;
}

.heatmap-cell {
    min-width: 70px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

/* ================================================================
   PARTIAL CORRELATION
   ================================================================ */
.control-vars-section {
    margin-top: 28px;
    padding: 24px;
    background: var(--carbon);
    border: 1px solid var(--border-subtle);
}

.control-vars-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--signal-amber);
    margin-bottom: 16px;
}

.control-vars-list { display: flex; flex-wrap: wrap; gap: 10px; }

.control-var-chip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--graphite);
    border: 1px solid var(--border-visible);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-normal);
}

.control-var-chip button {
    background: none;
    border: none;
    color: var(--text-ghost);
    cursor: pointer;
    font-size: 14px;
    padding: 0;
    line-height: 1;
}

.control-var-chip button:hover { color: var(--signal-red); }

.add-control-btn {
    padding: 10px 16px;
    background: transparent;
    border: 1px dashed var(--border-visible);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-subdued);
    cursor: pointer;
    transition: all 0.1s;
}

.add-control-btn:hover { border-color: var(--signal-amber); color: var(--signal-amber); }

/* ================================================================
   RESIDUAL
   ================================================================ */
.residual-map-container {
    height: 380px;
    background: var(--carbon);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-ghost);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ================================================================
   STAT COMPARISON
   ================================================================ */
.stat-comparison {
    display: flex;
    gap: 28px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-hairline);
}

.stat-comparison-item { flex: 1; }

.stat-comparison-label {
    font-size: 12px;
    color: var(--text-ghost);
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 8px;
}

.stat-comparison-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-bright);
    font-family: 'JetBrains Mono', monospace;
}

.stat-comparison-value.better { color: var(--signal-lime); }

/* ================================================================
   CHART OPTIONS
   ================================================================ */
.chart-options {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    border: 1px solid var(--border-visible);
    width: fit-content;
}

.chart-option-btn {
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: none;
    border-right: 1px solid var(--border-visible);
    background: var(--carbon);
    cursor: pointer;
    color: var(--text-subdued);
    transition: all 0.1s;
}

.chart-option-btn:last-child { border-right: none; }
.chart-option-btn:hover { background: var(--graphite); color: var(--text-normal); }
.chart-option-btn.active { background: var(--signal-white); color: var(--void); }

/* ================================================================
   STATES
   ================================================================ */
.loading {
    text-align: center;
    padding: 100px;
    color: var(--text-ghost);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.hidden { display: none !important; }

.error {
    background: rgba(255, 59, 59, 0.06);
    border-left: 4px solid var(--signal-red);
    color: var(--signal-red);
    padding: 20px 24px;
    font-size: 13px;
    margin: 24px 0;
}

/* ================================================================
   FILTER SECTION
   ================================================================ */
.filter-section {
    background: var(--carbon);
    padding: 28px 32px;
    border: 1px solid var(--border-subtle);
    position: relative;
}

.filter-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--signal-amber);
}

.filter-section h3 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 18px;
    color: var(--signal-amber);
    display: flex;
    align-items: center;
    gap: 14px;
}

.filter-section h3::before {
    content: '03';
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 5px 10px;
    background: var(--signal-amber);
    color: var(--void);
}

.filter-row {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-row select, .filter-row input {
    padding: 14px 18px;
    border: 1px solid var(--border-visible);
    border-radius: 6px;
    font-size: 13px;
    background: var(--obsidian);
    color: var(--text-normal);
    transition: all 0.15s;
}

.filter-row select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23858585' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.filter-row select:hover, .filter-row input:hover {
    border-color: var(--text-subdued);
    background: var(--carbon);
}

.filter-row select:focus, .filter-row input:focus {
    outline: none;
    border-color: var(--signal-amber);
    background: var(--carbon);
    box-shadow: 0 0 0 3px rgba(255, 184, 0, 0.1);
}

.filter-row select option {
    background: var(--obsidian);
    color: var(--text-normal);
    padding: 10px;
}

.filter-row input[type="number"] { width: 110px; }
.filter-row input::placeholder { color: var(--text-ghost); }

.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.filter-tag {
    background: rgba(255, 184, 0, 0.1);
    border: 1px solid rgba(255, 184, 0, 0.3);
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text-normal);
}

.filter-tag button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--signal-amber);
    font-size: 14px;
    padding: 0;
    line-height: 1;
}

.filter-tag button:hover { color: var(--signal-red); }

/* ================================================================
   LEGEND
   ================================================================ */
.province-legend {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border-hairline);
}

.province-legend h4 {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    color: var(--text-ghost);
}

.legend-items { display: flex; flex-wrap: wrap; gap: 18px; }

/* ================================================================
   CHECKBOXES
   ================================================================ */
.riding-checkbox-container {
    display: flex;
    flex-direction: column;
    gap: 2px;
    height: 300px;
    overflow-y: auto;
    padding: 12px;
    background: var(--carbon);
    border: 1px solid var(--border-visible);
}

.province-checkbox-container {
    display: flex;
    flex-direction: column;
    gap: 2px;
    height: 300px;
    overflow-y: auto;
    padding: 12px;
    background: var(--carbon);
    border: 1px solid var(--border-visible);
}

.region-checkbox-container {
    display: flex;
    flex-direction: column;
    gap: 2px;
    height: 300px;
    overflow-y: auto;
    padding: 12px;
    background: var(--carbon);
    border: 1px solid var(--border-visible);
}

.riding-checkbox-label,
.province-checkbox-label,
.region-checkbox-label {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-subdued);
    transition: all 0.1s;
}

.riding-checkbox-label:hover,
.province-checkbox-label:hover,
.region-checkbox-label:hover {
    background: var(--graphite);
    color: var(--text-normal);
}

.riding-checkbox,
.province-checkbox,
.region-checkbox {
    width: 14px;
    height: 14px;
    accent-color: var(--conservative-blue-light);
    cursor: pointer;
    flex-shrink: 0;
}

.riding-checkbox-label span,
.province-checkbox-label span,
.region-checkbox-label span { flex: 1; }

.riding-checkbox-empty {
    padding: 28px;
    text-align: center;
    color: var(--text-ghost);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.riding-select-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.riding-select-actions { display: flex; gap: 16px; }

.riding-select-actions button {
    background: none;
    border: none;
    color: var(--text-subdued);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    padding: 4px 0;
    transition: color 0.1s;
}

.riding-select-actions button:hover { color: var(--conservative-blue-light); }

/* Riding Search */
.riding-search-wrapper {
    position: relative;
    margin-bottom: 12px;
}

.riding-search-input {
    width: 100%;
    padding: 10px 36px 10px 36px;
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    border: 1px solid var(--border-visible);
    border-radius: 6px;
    background: var(--carbon);
    color: var(--text-normal);
    transition: all 0.15s;
}

.riding-search-input:focus {
    outline: none;
    border-color: var(--conservative-blue-light);
    background: var(--graphite);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.riding-search-input::placeholder {
    color: var(--text-ghost);
}

.riding-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-ghost);
    pointer-events: none;
}

.riding-search-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-subdued);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.15s;
}

.riding-search-clear:hover {
    background: var(--graphite);
    color: var(--text-normal);
}

.riding-search-clear.hidden {
    display: none;
}

.selected-count {
    font-size: 13px;
    color: var(--text-ghost);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-subdued);
}

.legend-dot { width: 8px; height: 8px; border-radius: 0; }

/* ================================================================
   NO DATA
   ================================================================ */
.no-data {
    text-align: center;
    padding: 140px 36px;
    color: var(--text-ghost);
}

.no-data h3 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 18px;
    color: var(--text-subdued);
}

.no-data p {
    color: var(--text-ghost);
    max-width: 380px;
    margin: 0 auto;
    font-size: 13px;
    line-height: 1.7;
}

.button-row {
    display: flex;
    gap: 18px;
    align-items: center;
    margin-top: 32px;
}

/* ================================================================
   CENSUS SELECTOR
   ================================================================ */
.census-controls { display: flex; flex-direction: column; gap: 16px; }

.census-mode-toggle {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-visible);
    width: fit-content;
}

.census-mode-toggle.hidden { display: none; }

.census-mode-btn {
    padding: 12px 24px;
    border: none;
    border-right: 1px solid var(--border-visible);
    background: var(--carbon);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    color: var(--text-subdued);
    transition: all 0.1s;
}

.census-mode-btn:last-child { border-right: none; }
.census-mode-btn:hover { background: var(--graphite); }
.census-mode-btn.active { background: var(--conservative-blue-light); color: var(--signal-white); }

.census-browse-mode,
.census-search-mode { display: flex; flex-direction: column; gap: 14px; }

.census-browse-mode.hidden,
.census-search-mode.hidden { display: none; }

.census-select-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.census-select-group { display: flex; flex-direction: column; }
.census-select-group.hidden { display: none; }

.census-select-group label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-subdued);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.census-select-group select {
    padding: 14px 18px;
    border: 1px solid var(--border-visible);
    border-radius: 6px;
    font-size: 13px;
    background: var(--obsidian);
    color: var(--text-normal);
    cursor: pointer;
    transition: all 0.15s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23858585' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.census-select-group select:hover {
    border-color: var(--text-subdued);
    background: var(--carbon);
}

.census-select-group select:focus {
    outline: none;
    border-color: var(--conservative-blue-light);
    background: var(--carbon);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.census-select-group select option {
    background: var(--obsidian);
    color: var(--text-normal);
    padding: 10px;
}

.census-characteristic-tree {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-visible);
    background: var(--obsidian);
    padding: 8px;
}

.census-characteristic-tree.hidden { display: none; }
.char-tree-item { margin: 1px 0; }

.char-tree-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-subdued);
    transition: all 0.1s;
}

.char-tree-label:hover { background: var(--graphite); color: var(--text-normal); }
.char-tree-label.selected { background: var(--conservative-blue-light); color: var(--signal-white); }

.char-tree-toggle { width: 14px; font-size: 12px; color: var(--text-ghost); flex-shrink: 0; }
.char-tree-label.selected .char-tree-toggle { color: var(--signal-white); }
.char-tree-spacer { width: 14px; flex-shrink: 0; }
.char-tree-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.char-tree-type {
    font-size: 12px;
    padding: 4px 10px;
    background: var(--conservative-blue);
    color: var(--signal-white);
    flex-shrink: 0;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.char-tree-label.selected .char-tree-type { background: rgba(255,255,255,0.2); color: var(--signal-white); }
.char-tree-children { margin-left: 18px; border-left: 1px solid var(--border-hairline); }

/* Census search */
.census-search-container { position: relative; }

.census-search-input {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-visible);
    border-radius: 0;
    font-size: 13px;
    background: var(--obsidian);
    color: var(--text-normal);
    transition: border-color 0.1s;
}

.census-search-input::placeholder { color: var(--text-ghost); }
.census-search-input:focus { outline: none; border-color: var(--conservative-blue-light); }

.census-search-results {
    max-height: 360px;
    overflow-y: auto;
    border: 1px solid var(--border-visible);
    margin-top: 8px;
    background: var(--obsidian);
}

.census-search-results-info {
    font-size: 12px;
    color: var(--text-ghost);
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.census-search-placeholder {
    padding: 48px 24px;
    text-align: center;
    color: var(--text-ghost);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.census-search-result {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-hairline);
    font-size: 14px;
    color: var(--text-subdued);
    transition: all 0.1s;
}

.census-search-result:last-child { border-bottom: none; }
.census-search-result:hover { background: var(--graphite); color: var(--text-normal); }
.census-search-result.selected { background: var(--conservative-blue-light); color: var(--signal-white); }

.census-search-result-radio { font-size: 12px; width: 16px; flex-shrink: 0; opacity: 0.5; }
.census-search-result.selected .census-search-result-radio { opacity: 1; }
.census-search-result-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.census-search-subcategory {
    font-size: 12px;
    padding: 4px 10px;
    background: var(--conservative-blue);
    color: var(--signal-white);
    flex-shrink: 0;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.census-search-result.selected .census-search-subcategory { background: rgba(255,255,255,0.2); color: var(--signal-white); }

.selected-characteristic-display {
    margin-top: 18px;
    padding: 18px 22px;
    background: rgba(184, 255, 0, 0.04);
    border-left: 4px solid var(--signal-lime);
    font-size: 14px;
    color: var(--text-normal);
}

.selected-characteristic-display strong {
    font-weight: 700;
    color: var(--signal-lime);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.census-loading {
    padding: 28px;
    text-align: center;
    color: var(--text-ghost);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.census-loading.hidden { display: none; }

/* ================================================================
   FILTER SEARCH
   ================================================================ */
.filter-char-search-container { position: relative; min-width: 260px; }

.filter-char-search-input {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-visible);
    border-radius: 0;
    font-size: 13px;
    background: var(--obsidian);
    color: var(--text-normal);
    transition: border-color 0.1s;
}

.filter-char-search-input::placeholder { color: var(--text-ghost); }
.filter-char-search-input:disabled { background: var(--void); cursor: not-allowed; opacity: 0.5; }
.filter-char-search-input:focus { outline: none; border-color: var(--signal-amber); }

.filter-char-results {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    max-height: 320px;
    overflow-y: auto;
    background: var(--obsidian);
    border: 1px solid var(--border-visible);
    z-index: 100;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.filter-char-results.visible { display: block; }

.filter-char-result {
    padding: 14px 16px;
    cursor: pointer;
    font-size: 14px;
    border-bottom: 1px solid var(--border-hairline);
    color: var(--text-subdued);
    transition: all 0.1s;
}

.filter-char-result:last-child { border-bottom: none; }
.filter-char-result:hover { background: var(--graphite); color: var(--text-normal); }
.filter-char-result-name { display: block; color: var(--text-normal); }

.filter-char-result-sub {
    font-size: 12px;
    color: var(--text-ghost);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-char-no-results {
    padding: 28px;
    text-align: center;
    color: var(--text-ghost);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.filter-selected-char {
    display: none;
    font-size: 13px;
    color: var(--conservative-blue-light);
    margin-top: 12px;
}

.filter-selected-char.visible { display: block; }

/* ================================================================
   FILTER DISTRIBUTION
   ================================================================ */
.filter-distribution-container {
    margin-top: 24px;
    padding: 24px;
    background: rgba(255, 184, 0, 0.04);
    border-left: 4px solid var(--signal-amber);
}

.filter-distribution-container.hidden { display: none; }

.filter-distribution-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.filter-distribution-title {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--signal-amber);
}

.filter-distribution-stats {
    font-size: 12px;
    color: var(--text-ghost);
    font-family: 'JetBrains Mono', monospace;
}

.filter-distribution-chart-wrapper {
    height: 100px;
    position: relative;
    background: var(--obsidian);
    border: 1px solid var(--border-subtle);
    padding: 8px;
}

.filter-distribution-legend {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-ghost);
    margin-top: 8px;
    padding: 0 4px;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ================================================================
   SECONDARY BUTTON
   ================================================================ */
.secondary-button {
    background: transparent;
    color: var(--text-subdued);
    border: 1px solid var(--border-visible);
    padding: 12px 28px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.15s ease;
}

.secondary-button:hover {
    background: var(--graphite);
    border-color: var(--text-ghost);
    color: var(--text-bright);
}

/* ================================================================
   CONTROL VAR SELECT (in Correlations panel)
   ================================================================ */
.control-var-select {
    background: var(--obsidian);
    color: var(--text-normal);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 13px;
    font-family: 'JetBrains Mono', monospace;
    cursor: pointer;
    transition: all 0.15s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23858585' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}

.control-var-select:hover {
    border-color: var(--border-visible);
    background-color: var(--carbon);
}

.control-var-select:focus {
    outline: none;
    border-color: var(--conservative-blue-light);
    background-color: var(--carbon);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.control-var-select option {
    background: var(--obsidian);
    color: var(--text-normal);
    padding: 8px;
}

/* ================================================================
   PANEL HEADINGS (in analytics panels)
   ================================================================ */
.analytics-panel h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-bright);
    margin-bottom: 14px;
}

.analytics-panel p {
    font-size: 14px;
    color: var(--text-subdued);
    line-height: 1.6;
}

/* ================================================================
   RESIDUAL CHART CONTAINER
   ================================================================ */
#residual-chart-container {
    background: var(--obsidian);
    border: 1px solid var(--border-subtle);
    padding: 16px;
}

#residual-stats {
    color: var(--text-subdued);
    font-size: 13px;
    font-family: 'JetBrains Mono', monospace;
}

/* ================================================================
   MISC INLINE STYLES OVERRIDE
   ================================================================ */
[style*="color: #666"],
[style*="color:#666"] {
    color: var(--text-ghost) !important;
}

[style*="color: #888"],
[style*="color:#888"] {
    color: var(--text-ghost) !important;
}

/* ================================================================
   RESPONSIVE ADJUSTMENTS
   ================================================================ */
@media (max-width: 1200px) {
    .container {
        padding: 24px 28px;
    }

    .chart-wrapper,
    .chart-with-margins {
        height: 460px;
        padding: 20px;
    }
}

@media (max-width: 1024px) {
    .control-row {
        grid-template-columns: 1fr;
    }

    .chart-wrapper,
    .chart-with-margins {
        height: 380px;
    }

    .province-checkbox-container,
    .region-checkbox-container,
    .riding-checkbox-container {
        height: 240px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 12px;
    }

    .controls-section {
        padding: 16px;
    }

    .header {
        padding: 10px 16px;
    }

    .header h1 {
        font-size: 13px;
    }

    .run-button {
        width: 100%;
        justify-content: center;
    }

    .button-row {
        flex-direction: column;
    }

    .secondary-button {
        width: 100%;
    }

    .axis-section h3 {
        font-size: 12px;
    }

    .analytics-tabs button {
        padding: 10px 16px;
        font-size: 11px;
    }

    .chart-wrapper,
    .chart-with-margins {
        height: 300px;
        padding: 14px;
    }

    .chart-option-btn,
    .analytics-tab {
        padding: 10px 12px;
        font-size: 11px;
        letter-spacing: 0.06em;
    }

    .province-checkbox-container,
    .region-checkbox-container,
    .riding-checkbox-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 6px;
        height: 220px;
    }
}

/* ================================================================
   SCROLLBAR STYLING
   ================================================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--void);
}

::-webkit-scrollbar-thumb {
    background: var(--slate);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--stone);
}

/* ================================================================
   SELECTION STYLING
   ================================================================ */
::selection {
    background: var(--conservative-blue-light);
    color: var(--signal-white);
}