/* Dashboard-specific: chart canvas heights */
  .chart-canvas-container {
    position: relative;
    height: 300px;
  }

  .chart-empty-state {
    text-align: center;
    padding: var(--s-2xl);
    color: var(--mid-gray);
  }

  .chart-description {
    font-size: var(--text-sm);
    color: var(--mid-gray);
    margin-bottom: var(--s-md);
  }

  .no-data-message {
    text-align: center;
    padding: var(--s-xl);
    color: var(--text-muted);
  }

  .traps-summary {
    display: flex;
    gap: var(--s-md);
    flex-wrap: wrap;
    margin-bottom: var(--s-sm);
  }

  .traps-summary-stat {
    font-size: 1.5rem;
    font-weight: 700;
  }

  .traps-summary-stat.fell { color: var(--error); }
  .traps-summary-stat.entered { color: var(--warning); }

  .traps-summary-label {
    color: var(--text-muted);
    font-size: 0.85rem;
  }

  .traps-tag {
    display: inline-block;
    background: var(--primary);
    color: var(--bg);
    padding: 2px 8px;
    font-size: 0.8rem;
    margin-right: var(--s-xs);
  }

  .traps-view-all {
    display: inline-block;
    margin-top: var(--s-sm);
    color: var(--primary);
  }

  .loading-placeholder {
    text-align: center;
    padding: var(--s-xl);
    color: var(--mid-gray);
  }

  /* Legacy checkbox-label kept for compat */
  .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--s-xs);
    cursor: pointer;
    font-size: var(--text-sm);
  }

  /* ==========================================================================
     Breakdown Bars — shared pattern for tactical/difficulty/game-type
     ========================================================================== */

  .tactical-bar-container,
  .difficulty-bar-container,
  .game-type-bar-container {
    margin-bottom: var(--s-md);
  }

  .tactical-bar,
  .difficulty-bar,
  .game-type-bar {
    display: flex;
    height: 24px;
    border-radius: 0;
    overflow: hidden;
  }

  .tactical-bar-segment,
  .difficulty-bar-segment,
  .game-type-bar-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-xs);
    font-weight: 600;
    transition: flex 0.3s ease;
  }

  /* Tactical bar segment colors */
  .tactical-bar-segment.fork { background: var(--color-tactic-fork); }
  .tactical-bar-segment.pin { background: var(--color-tactic-pin); }
  .tactical-bar-segment.skewer { background: var(--color-tactic-skewer); }
  .tactical-bar-segment.discovered { background: var(--color-tactic-discovered); }
  .tactical-bar-segment.hanging { background: var(--color-tactic-hanging); }
  .tactical-bar-segment.back_rank { background: var(--color-tactic-back-rank); }
  .tactical-bar-segment.other { background: var(--color-tactic-other); }

  /* Difficulty bar segment colors */
  .difficulty-bar-segment.diff-easy { background: var(--color-diff-easy); }
  .difficulty-bar-segment.diff-medium { background: var(--color-diff-medium); }
  .difficulty-bar-segment.diff-hard { background: var(--color-diff-hard); }
  .difficulty-bar-segment.diff-unscored { background: var(--color-diff-unscored); }

  /* Game type bar segment colors */
  .game-type-bar-segment.ultrabullet { background: var(--color-gametype-ultrabullet); }
  .game-type-bar-segment.bullet { background: var(--color-gametype-bullet); }
  .game-type-bar-segment.blitz { background: var(--color-gametype-blitz); }
  .game-type-bar-segment.rapid { background: var(--color-gametype-rapid); }
  .game-type-bar-segment.classical { background: var(--color-gametype-classical); }
  .game-type-bar-segment.correspondence { background: var(--color-gametype-correspondence); }

  /* ==========================================================================
     Breakdown Legends — shared pattern
     ========================================================================== */

  .tactical-legend,
  .difficulty-legend,
  .game-type-legend {
    display: flex;
    gap: var(--s-md);
    flex-wrap: wrap;
    margin-top: var(--s-sm);
  }

  .tactical-legend-item,
  .difficulty-legend-item,
  .game-type-legend-item {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    font-size: var(--text-xs);
    color: var(--mid-gray);
  }

  .tactical-legend-color,
  .difficulty-legend-color,
  .game-type-legend-color {
    width: 12px;
    height: 12px;
    border-radius: 0;
  }

  /* Tactical legend colors */
  .tactical-legend-color.fork { background: var(--color-tactic-fork); }
  .tactical-legend-color.pin { background: var(--color-tactic-pin); }
  .tactical-legend-color.skewer { background: var(--color-tactic-skewer); }
  .tactical-legend-color.discovered { background: var(--color-tactic-discovered); }
  .tactical-legend-color.hanging { background: var(--color-tactic-hanging); }
  .tactical-legend-color.back_rank { background: var(--color-tactic-back-rank); }
  .tactical-legend-color.other { background: var(--color-tactic-other); }

  /* Difficulty legend colors */
  .difficulty-legend-color.diff-easy { background: var(--color-diff-easy); }
  .difficulty-legend-color.diff-medium { background: var(--color-diff-medium); }
  .difficulty-legend-color.diff-hard { background: var(--color-diff-hard); }
  .difficulty-legend-color.diff-unscored { background: var(--color-diff-unscored); }

  /* Game type legend colors */
  .game-type-legend-color.ultrabullet { background: var(--color-gametype-ultrabullet); }
  .game-type-legend-color.bullet { background: var(--color-gametype-bullet); }
  .game-type-legend-color.blitz { background: var(--color-gametype-blitz); }
  .game-type-legend-color.rapid { background: var(--color-gametype-rapid); }
  .game-type-legend-color.classical { background: var(--color-gametype-classical); }
  .game-type-legend-color.correspondence { background: var(--color-gametype-correspondence); }

  /* ==========================================================================
     Breakdown Card Grids — shared pattern
     ========================================================================== */

  .tactical-breakdown,
  .difficulty-breakdown,
  .game-type-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--s-md);
    margin-top: var(--s-md);
  }

  .game-type-breakdown {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

  .tactical-card,
  .difficulty-card,
  .game-type-card {
    padding: var(--s-md);
    border-radius: 0;
    text-align: center;
    border: 2px solid var(--black);
  }

  .tactical-name,
  .difficulty-name,
  .game-type-name {
    font-weight: 600;
    text-transform: capitalize;
    margin-bottom: var(--s-xs);
    font-size: var(--text-sm);
  }

  .tactical-count,
  .difficulty-count,
  .game-type-count {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--black);
  }

  .tactical-percent,
  .difficulty-percent,
  .game-type-percent {
    font-size: var(--text-xs);
    color: var(--mid-gray);
  }

  .difficulty-avg-loss {
    font-size: var(--text-xs);
    color: var(--mid-gray);
    margin-top: var(--s-xs);
  }

  /* Tactical card colors */
  .tactical-card.fork { background: color-mix(in srgb, var(--color-tactic-fork) 10%, transparent); border-color: color-mix(in srgb, var(--color-tactic-fork) 30%, transparent); }
  .tactical-card.pin { background: color-mix(in srgb, var(--color-tactic-pin) 10%, transparent); border-color: color-mix(in srgb, var(--color-tactic-pin) 30%, transparent); }
  .tactical-card.skewer { background: color-mix(in srgb, var(--color-tactic-skewer) 10%, transparent); border-color: color-mix(in srgb, var(--color-tactic-skewer) 30%, transparent); }
  .tactical-card.discovered { background: color-mix(in srgb, var(--color-tactic-discovered) 10%, transparent); border-color: color-mix(in srgb, var(--color-tactic-discovered) 30%, transparent); }
  .tactical-card.hanging { background: color-mix(in srgb, var(--color-tactic-hanging) 10%, transparent); border-color: color-mix(in srgb, var(--color-tactic-hanging) 30%, transparent); }
  .tactical-card.back_rank { background: color-mix(in srgb, var(--color-tactic-back-rank) 10%, transparent); border-color: color-mix(in srgb, var(--color-tactic-back-rank) 30%, transparent); }
  .tactical-card.other { background: color-mix(in srgb, var(--color-tactic-other) 10%, transparent); border-color: color-mix(in srgb, var(--color-tactic-other) 30%, transparent); }

  .tactical-card.fork .tactical-name { color: var(--color-tactic-fork); }
  .tactical-card.pin .tactical-name { color: var(--color-tactic-pin); }
  .tactical-card.skewer .tactical-name { color: var(--color-tactic-skewer); }
  .tactical-card.discovered .tactical-name { color: var(--color-tactic-discovered); }
  .tactical-card.hanging .tactical-name { color: var(--color-tactic-hanging); }
  .tactical-card.back_rank .tactical-name { color: var(--color-tactic-back-rank); }
  .tactical-card.other .tactical-name { color: var(--color-tactic-other); }

  /* Difficulty card colors */
  .difficulty-card.diff-easy { background: color-mix(in srgb, var(--color-diff-easy) 10%, transparent); border-color: color-mix(in srgb, var(--color-diff-easy) 30%, transparent); }
  .difficulty-card.diff-medium { background: color-mix(in srgb, var(--color-diff-medium) 10%, transparent); border-color: color-mix(in srgb, var(--color-diff-medium) 30%, transparent); }
  .difficulty-card.diff-hard { background: color-mix(in srgb, var(--color-diff-hard) 10%, transparent); border-color: color-mix(in srgb, var(--color-diff-hard) 30%, transparent); }
  .difficulty-card.diff-unscored { background: color-mix(in srgb, var(--color-diff-unscored) 10%, transparent); border-color: color-mix(in srgb, var(--color-diff-unscored) 30%, transparent); }

  .difficulty-card.diff-easy .difficulty-name { color: var(--color-diff-easy); }
  .difficulty-card.diff-medium .difficulty-name { color: var(--color-diff-medium); }
  .difficulty-card.diff-hard .difficulty-name { color: var(--color-diff-hard); }
  .difficulty-card.diff-unscored .difficulty-name { color: var(--color-diff-unscored); }

  /* Game type card colors */
  .game-type-card.ultrabullet { background: color-mix(in srgb, var(--color-gametype-ultrabullet) 10%, transparent); border-color: color-mix(in srgb, var(--color-gametype-ultrabullet) 30%, transparent); }
  .game-type-card.bullet { background: color-mix(in srgb, var(--color-gametype-bullet) 10%, transparent); border-color: color-mix(in srgb, var(--color-gametype-bullet) 30%, transparent); }
  .game-type-card.blitz { background: color-mix(in srgb, var(--color-gametype-blitz) 10%, transparent); border-color: color-mix(in srgb, var(--color-gametype-blitz) 30%, transparent); }
  .game-type-card.rapid { background: color-mix(in srgb, var(--color-gametype-rapid) 10%, transparent); border-color: color-mix(in srgb, var(--color-gametype-rapid) 30%, transparent); }
  .game-type-card.classical { background: color-mix(in srgb, var(--color-gametype-classical) 10%, transparent); border-color: color-mix(in srgb, var(--color-gametype-classical) 30%, transparent); }
  .game-type-card.correspondence { background: color-mix(in srgb, var(--color-gametype-correspondence) 10%, transparent); border-color: color-mix(in srgb, var(--color-gametype-correspondence) 30%, transparent); }

  .game-type-card.ultrabullet .game-type-name { color: var(--color-gametype-ultrabullet); }
  .game-type-card.bullet .game-type-name { color: var(--color-gametype-bullet); }
  .game-type-card.blitz .game-type-name { color: var(--color-gametype-blitz); }
  .game-type-card.rapid .game-type-name { color: var(--color-gametype-rapid); }
  .game-type-card.classical .game-type-name { color: var(--color-gametype-classical); }
  .game-type-card.correspondence .game-type-name { color: var(--color-gametype-correspondence); }

  /* ==========================================================================
     Info Help Button & Modal
     ========================================================================== */

  .info-help-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 0;
    border: 2px solid var(--mid-gray);
    background: var(--white);
    color: var(--mid-gray);
    font-size: var(--text-xs);
    font-weight: 700;
    cursor: pointer;
    margin-left: var(--s-sm);
    vertical-align: middle;
    transition: color 0.15s ease, border-color 0.15s ease;
  }

  .info-help-btn:hover {
    color: var(--black);
    border-color: var(--black);
  }

  .info-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
  }

  .info-modal-overlay.visible {
    display: flex;
  }

  .info-modal {
    background: var(--white);
    border: 3px solid var(--black);
    border-radius: 0;
    padding: var(--s-xl);
    min-width: 320px;
    max-width: 480px;
    box-shadow: none;
  }

  .info-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--s-md);
  }

  .info-modal-header h3 {
    margin: 0;
    font-size: var(--text-lg);
    font-weight: 600;
  }

  .info-modal-close {
    background: none;
    border: none;
    font-size: var(--text-2xl);
    cursor: pointer;
    color: var(--mid-gray);
    padding: 0 var(--s-xs);
    line-height: 1;
  }

  .info-modal-close:hover {
    color: var(--black);
  }

  .info-modal-body {
    font-size: var(--text-sm);
    color: var(--black);
    line-height: 1.6;
  }

  .info-modal-body p {
    margin: 0 0 var(--s-md) 0;
  }

  .info-modal-definitions {
    margin: 0 0 var(--s-md) 0;
  }

  .info-modal-definitions dt {
    font-weight: 600;
    margin-top: var(--s-sm);
  }

  .info-modal-definitions dt.diff-easy { color: var(--color-diff-easy); }
  .info-modal-definitions dt.diff-medium { color: var(--color-diff-medium); }
  .info-modal-definitions dt.diff-hard { color: var(--color-diff-hard); }

  .info-modal-definitions dd {
    margin: var(--s-xs) 0 0 var(--s-md);
    color: var(--mid-gray);
  }

  .info-modal-note {
    font-size: var(--text-xs);
    color: var(--mid-gray);
    font-style: italic;
  }

  /* ==========================================================================
     Heatmap
     ========================================================================== */

  .heatmap-wrapper {
    padding: var(--s-md);
  }

  .heatmap-summary {
    display: flex;
    gap: var(--s-md);
    margin-bottom: var(--s-md);
    font-size: var(--text-sm);
  }

  .heatmap-total {
    font-weight: 600;
    color: var(--black);
  }

  .heatmap-days {
    color: var(--mid-gray);
  }

  .heatmap-container {
    display: flex;
    gap: var(--s-sm);
  }

  .heatmap-days-labels {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding-top: 20px;
    font-size: var(--text-xs);
    color: var(--mid-gray);
  }

  .heatmap-grid-wrapper {
    flex: 1;
    min-width: 0;
  }

  .heatmap-months {
    display: grid;
    font-size: var(--text-xs);
    color: var(--mid-gray);
    margin-bottom: 4px;
    height: 16px;
  }

  .heatmap-grid {
    display: grid;
    gap: 2px;
  }

  .heatmap-week {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .heatmap-cell {
    aspect-ratio: 1;
    width: 100%;
    border-radius: 0;
    cursor: pointer;
  }

  .heatmap-cell.empty {
    visibility: hidden;
  }

  .heatmap-cell.level-0 { background: var(--heatmap-empty, var(--warm-gray)); }
  .heatmap-cell.level-0.future { background: var(--heatmap-empty-future); }
  .heatmap-cell.level-1 { background: var(--heatmap-l1); }
  .heatmap-cell.level-2 { background: var(--heatmap-l2); }
  .heatmap-cell.level-3 { background: var(--heatmap-l3); }
  .heatmap-cell.level-4 { background: var(--heatmap-l4); }

  .heatmap-legend {
    display: flex;
    align-items: center;
    gap: var(--s-xs);
    margin-top: var(--s-md);
    font-size: var(--text-xs);
    color: var(--mid-gray);
    justify-content: flex-end;
  }

  .heatmap-legend .heatmap-cell {
    width: 12px;
    height: 12px;
    aspect-ratio: unset;
    cursor: default;
  }

  .heatmap-error {
    text-align: center;
    padding: var(--s-xl);
    color: var(--mid-gray);
  }

  /* Heatmap tooltip */
  .heatmap-cell[data-tooltip] {
    position: relative;
  }

  .heatmap-cell[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    background: var(--black);
    color: var(--white);
    font-size: var(--text-xs);
    white-space: nowrap;
    border-radius: 0;
    z-index: 100;
    pointer-events: none;
  }

  .heatmap-cell[data-tooltip]:hover::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--black);
    z-index: 100;
  }

  /* ==========================================================================
     Conversion & Resilience
     ========================================================================== */

  .cr-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-md);
    margin-top: var(--s-md);
  }

  @media (max-width: 480px) {
    .cr-metrics {
      grid-template-columns: 1fr;
    }
  }

  .cr-metric-card {
    text-align: center;
    padding: var(--s-md);
    border: 2px solid var(--black);
    border-radius: 0;
    background: var(--white);
  }

  .cr-metric-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--mid-gray);
    text-transform: uppercase;
    letter-spacing: var(--ls-normal);
    margin-bottom: var(--s-sm);
  }

  .cr-metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--s-sm);
  }

  .cr-metric-detail {
    font-size: var(--text-sm);
    color: var(--mid-gray);
  }

  /* ==========================================================================
     Collapse Point
     ========================================================================== */

  .collapse-summary {
    text-align: center;
    margin-bottom: var(--s-lg);
  }

  .collapse-big-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: var(--s-sm);
  }

  .collapse-meta {
    font-size: var(--text-sm);
    color: var(--mid-gray);
    margin-bottom: var(--s-xs);
  }

  .collapse-separator {
    margin: 0 var(--s-sm);
  }

  .collapse-clean {
    font-size: var(--text-sm);
    color: var(--correct);
    font-weight: 600;
  }

  .collapse-distribution {
    margin-top: var(--s-md);
  }

  .collapse-dist-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--mid-gray);
    margin-bottom: var(--s-md);
  }

  .collapse-bar-row {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    margin-bottom: var(--s-xs);
  }

  .collapse-bar-label {
    width: 3.5rem;
    text-align: right;
    font-size: var(--text-xs);
    color: var(--mid-gray);
    font-variant-numeric: tabular-nums;
  }

  .collapse-bar-track {
    flex: 1;
    height: 1.25rem;
    background: var(--warm-gray);
    border-radius: 0;
    overflow: hidden;
  }

  .collapse-bar-fill {
    height: 100%;
    border-radius: 0;
    transition: width 0.3s ease;
    min-width: 2px;
  }

  .collapse-bar-count {
    width: 2rem;
    text-align: right;
    font-size: var(--text-xs);
    color: var(--mid-gray);
    font-variant-numeric: tabular-nums;
  }

  .collapse-zone-legend {
    display: flex;
    gap: var(--s-md);
    justify-content: center;
    margin-top: var(--s-md);
    font-size: var(--text-xs);
    color: var(--mid-gray);
  }

  .collapse-zone-item {
    display: flex;
    align-items: center;
    gap: var(--s-xs);
  }

  .collapse-zone-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    display: inline-block;
  }

  .growth-metric-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
  }

  .growth-metric-row:last-child {
    border-bottom: none;
  }

  .growth-metric-label {
    flex: 0 0 160px;
    font-size: 0.85rem;
    color: var(--text-muted);
  }

  .growth-sparkline {
    flex: 1 1 120px;
    height: 36px;
    max-width: 160px;
  }

  .growth-value {
    flex: 0 0 70px;
    text-align: right;
    font-weight: 600;
    font-size: 0.95rem;
    font-variant-numeric: tabular-nums;
  }

  .growth-trend {
    flex: 0 0 24px;
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
  }

  .growth-trend--improving { color: var(--success); }
  .growth-trend--stable { color: var(--mid-gray); }
  .growth-trend--declining { color: var(--error); }

  .info-modal-definitions dt.cpl-excellent { color: var(--success); }
  .info-modal-definitions dt.cpl-good { color: var(--correct); }
  .info-modal-definitions dt.cpl-average { color: var(--warning); }
  .info-modal-definitions dt.cpl-high { color: var(--error); }

  .growth-insufficient {
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
  }

  /* ==========================================================================
     Phase Cards
     ========================================================================== */

  .phase-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--s-md);
    margin-top: var(--s-md);
  }

  .phase-card {
    background: var(--white);
    border: 2px solid var(--warm-gray);
    border-radius: 0;
    padding: var(--s-md);
    text-align: center;
    border-left: 4px solid var(--mid-gray);
  }

  .phase-card.opening { border-left-color: var(--blue); }
  .phase-card.middlegame { border-left-color: var(--yellow); }
  .phase-card.endgame { border-left-color: var(--dark-gray); }
  .phase-card.unknown { border-left-color: var(--mid-gray); }

  .phase-name {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    color: var(--mid-gray);
    margin-bottom: var(--s-sm);
  }

  .phase-count {
    font-family: var(--font-ui);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--black);
  }

  .phase-percent {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    color: var(--mid-gray);
    margin-top: var(--s-xs);
  }

  .phase-cpl {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    color: var(--mid-gray);
    margin-top: var(--s-sm);
  }

  /* Phase Bar */
  .phase-bar-container { margin-top: var(--s-md); }

  .phase-bar {
    display: flex;
    height: 24px;
    border-radius: 0;
    overflow: hidden;
    background: var(--warm-gray);
  }

  .phase-bar-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: 700;
    color: white;
    transition: width 0.3s ease;
  }

  .phase-bar-segment.opening { background: var(--blue); }
  .phase-bar-segment.middlegame { background: var(--yellow); color: var(--black); }
  .phase-bar-segment.endgame { background: var(--dark-gray); }
  .phase-bar-segment.unknown { background: var(--mid-gray); }

  .phase-legend {
    display: flex;
    justify-content: center;
    gap: var(--s-lg);
    margin-top: var(--s-sm);
    flex-wrap: wrap;
  }

  .phase-legend-item {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    color: var(--mid-gray);
  }

  .phase-legend-color {
    width: 12px;
    height: 12px;
    border-radius: 0;
  }

  .phase-legend-color.opening { background: var(--blue); }
  .phase-legend-color.middlegame { background: var(--yellow); }
  .phase-legend-color.endgame { background: var(--dark-gray); }

  /* ==========================================================================
     Color Breakdown
     ========================================================================== */

  .color-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--s-md);
    margin-top: var(--s-md);
  }

  .color-card {
    background: var(--white);
    border: 2px solid var(--warm-gray);
    border-radius: 0;
    padding: var(--s-lg);
    text-align: center;
    position: relative;
  }

  .color-card.white { border-left: 4px solid var(--mid-gray); }
  .color-card.black { border-left: 4px solid var(--black); }

  .color-card.white::before,
  .color-card.black::before {
    position: absolute;
    right: var(--s-sm);
    top: var(--s-sm);
    font-size: var(--text-xl);
    opacity: 0.15;
  }

  .color-card.white::before { content: '♔'; }
  .color-card.black::before { content: '♚'; }

  .color-name {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    color: var(--mid-gray);
    margin-bottom: var(--s-sm);
  }

  .color-count {
    font-family: var(--font-ui);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--black);
  }

  .color-percent {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    color: var(--mid-gray);
    margin-top: var(--s-xs);
  }

  .color-cpl {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    color: var(--mid-gray);
    margin-top: var(--s-sm);
  }

  /* Color Bar */
  .color-bar {
    display: flex;
    height: 28px;
    border-radius: 0;
    overflow: hidden;
    background: var(--warm-gray);
  }

  .color-bar-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: 700;
    transition: width 0.3s ease;
  }

  .color-bar-segment.white {
    background: var(--white);
    color: var(--black);
    border-right: 2px solid var(--black);
  }

  .color-bar-segment.black {
    background: var(--black);
    color: var(--white);
  }

  .color-legend {
    display: flex;
    justify-content: center;
    gap: var(--s-lg);
    margin-top: var(--s-sm);
  }

  .color-legend-item {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    color: var(--mid-gray);
  }

  .color-legend-swatch {
    width: 14px;
    height: 14px;
    border-radius: 0;
    border: 2px solid var(--black);
  }

  .color-legend-swatch.white { background: var(--white); }
  .color-legend-swatch.black { background: var(--black); }

  /* ==========================================================================
     ECO Table
     ========================================================================== */

  .eco-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
  }

  .eco-table th,
  .eco-table td {
    padding: var(--s-sm);
    text-align: left;
    border-bottom: 1px solid var(--warm-gray);
  }

  .eco-table th {
    font-family: var(--font-ui);
    font-weight: 400;
    font-size: var(--text-xs);
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    color: var(--mid-gray);
  }

  .eco-code {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: 700;
    background: var(--warm-gray);
    padding: 2px 6px;
    border-radius: 0;
    text-decoration: none;
    color: inherit;
  }

  .eco-code:hover { background: var(--mid-gray); color: var(--white); }

  .eco-name-link { text-decoration: none; color: inherit; }
  .eco-name-link:hover { color: var(--blue); }
  .eco-name-base { font-weight: 700; }
  .eco-name-variation { font-weight: 400; }
  .eco-name-subvariation { font-weight: 400; font-size: var(--text-xs); color: var(--mid-gray); }

  .eco-external-icon {
    font-size: var(--text-xs);
    opacity: 0;
    transition: opacity 0.15s ease;
  }

  .eco-name-link:hover .eco-external-icon { opacity: 1; }

  .eco-percent { color: var(--mid-gray); font-size: 0.75rem; }
  .eco-group-header { background: var(--white); cursor: pointer; }
  .eco-group-header:hover { background: var(--warm-gray); }

  .eco-group-toggle {
    display: inline-block;
    width: 1em;
    font-size: var(--text-xs);
    color: var(--mid-gray);
    margin-right: var(--s-sm);
    user-select: none;
  }

  .eco-variations-badge {
    font-size: var(--text-xs);
    color: var(--mid-gray);
    margin-left: var(--s-sm);
  }

  .eco-child-indent { padding-left: calc(var(--s-sm) + 1.5em) !important; }
  .eco-group-child { font-size: var(--text-xs); }

  /* ==========================================================================
     Dashboard Filter Bar — unified filter strip
     ========================================================================== */

  .dashboard-filter-bar {
    border: 2px solid var(--black);
    margin-bottom: var(--s-lg);
  }

  .filter-bar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s-sm) var(--s-md);
    cursor: pointer;
    user-select: none;
    transition: background 0.15s ease;
  }

  .filter-bar-header:hover {
    background: var(--warm-gray);
  }

  .filter-bar-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    color: var(--dark-gray);
  }

  .filter-bar-body {
    border-top: 1px solid var(--warm-gray);
    overflow: hidden;
    max-height: 500px;
    transition: max-height 0.25s ease, opacity 0.2s ease;
    opacity: 1;
  }

  .filter-bar-body.collapsed {
    max-height: 0;
    opacity: 0;
    border-top-color: transparent;
  }

  .filter-bar-row {
    padding: var(--s-md);
  }

  .filter-bar-row + .filter-bar-row {
    border-top: 1px solid var(--warm-gray);
  }

  /* Presets row */
  .filter-bar-presets {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    flex-wrap: wrap;
  }

  .filter-presets {
    display: flex;
    gap: var(--s-xs);
  }

  .filter-presets button {
    padding: var(--s-xs) var(--s-md);
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: var(--ls-normal);
    background: transparent;
    border: 2px solid var(--mid-gray);
    border-radius: 0;
    cursor: pointer;
    transition: all 0.15s ease;
    color: var(--dark-gray);
  }

  .filter-presets button:hover {
    border-color: var(--black);
    color: var(--black);
    background: var(--warm-gray);
  }

  .filter-presets button.active {
    background: var(--black);
    border-color: var(--black);
    color: var(--white);
  }

  /* Custom date toggle button — styled like a preset */
  .filter-bar-custom-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--s-xs);
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: var(--ls-normal);
    text-transform: uppercase;
    color: var(--dark-gray);
    padding: var(--s-xs) var(--s-md);
    border: 2px solid var(--mid-gray);
    border-radius: 0;
    background: transparent;
    transition: all 0.15s ease;
    flex-shrink: 0;
  }

  .filter-bar-custom-toggle:hover {
    border-color: var(--black);
    color: var(--black);
    background: var(--warm-gray);
  }

  .filter-bar-custom-toggle.active {
    background: var(--black);
    border-color: var(--black);
    color: var(--white);
  }

  .filter-bar-custom-toggle.active svg {
    stroke: var(--white);
  }

  /* Custom date row (collapsible) */
  .filter-bar-dates {
    display: flex;
    align-items: center;
    gap: var(--s-md);
    overflow: hidden;
    max-height: 60px;
    transition: max-height 0.2s ease, padding 0.2s ease, opacity 0.15s ease;
    opacity: 1;
  }

  .filter-bar-dates.collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
    border-top-width: 0;
  }

  .filter-bar-dates .btn {
    height: 36px;
    box-sizing: border-box;
  }

  /* Chip filters row */
  .filter-bar-chips {
    display: flex;
    align-items: center;
    gap: var(--s-md);
    flex-wrap: wrap;
  }

  .filter-chip-group {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
  }

  .filter-chip-label {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    color: var(--mid-gray);
    margin: 0;
    margin-right: var(--s-xs);
    white-space: nowrap;
    padding: var(--s-xs) 0;
    border: 2px solid transparent;
    line-height: 1.5;
  }

  .filter-chip-divider {
    width: 1px;
    height: 20px;
    background: var(--mid-gray-light);
    flex-shrink: 0;
  }