/* ============================================================
   AlgoVis — Algorithm Visualization Player
   code panel + visualization + variable watch
   ============================================================ */

.av-root {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: #fff;
  font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', Menlo, monospace;
}

/* ─── Top Bar ─── */
.av-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: #3b82f6;
  color: #fff;
  font-size: 0.9rem;
  z-index: 10;
}

.av-back {
  background: transparent;
  border: 1px solid #475569;
  color: #cbd5e1;
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
.av-back:hover { background: #334155; color: #fff; }

.av-title {
  flex: 1;
  font-weight: 600;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.av-step-info {
  background: #334155;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: #94a3b8;
}

/* ─── Body: 3-panel (Problem | Code | Viz) ─── */
.av-body {
  display: flex;
  flex: 1;
  min-height: 0;
  border-bottom: 1px solid #e2e8f0;
}

/* ─── LEFT: Problem Panel ─── */
.av-problem-panel {
  width: 26%;
  min-width: 260px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #e2e8f0;
  background: #fff;
}
.av-problem-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px;
  font-size: 0.82rem;
  line-height: 1.6;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.av-problem-title {
  font-size: 1rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 6px;
}
.av-problem-meta {
  display: flex;
  gap: 12px;
  font-size: 0.75rem;
  color: #64748b;
  margin-bottom: 12px;
}
.av-section {
  margin-bottom: 14px;
}
.av-section h2 {
  font-size: 0.85rem;
  font-weight: 700;
  color: #2563eb;
  margin-bottom: 6px;
  padding-bottom: 3px;
  border-bottom: 1px solid #e2e8f0;
}
.av-section pre {
  white-space: pre-wrap;
  font-size: 0.75rem;
  font-family: 'SF Mono', 'Consolas', monospace;
  color: #334155;
  background: #f8fafc;
  padding: 6px 8px;
  border-radius: 4px;
  border: 1px solid #e2e8f0;
}
.av-sample-block {
  margin-bottom: 10px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  overflow: hidden;
}
.av-sample-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 8px;
  background: #f8fafc;
  font-size: 0.78rem;
  font-weight: 600;
  color: #475569;
}
.av-sample-io {
  display: flex;
  gap: 1px;
  background: #e2e8f0;
}
.av-sample-in, .av-sample-out {
  flex: 1;
  background: #fff;
}
.av-sample-label {
  display: block;
  font-size: 0.7rem;
  color: #94a3b8;
  padding: 2px 8px 0;
}
.av-sample-in pre, .av-sample-out pre {
  font-size: 0.75rem;
  padding: 2px 8px 6px;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
  font-family: 'SF Mono', 'Consolas', monospace;
  color: #334155;
}

/* ─── MIDDLE: Code Panel ─── */
.av-code-panel {
  width: 34%;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #e2e8f0;
  background: #fafbfc;
}

.av-panel-header {
  padding: 6px 14px;
  font-size: 0.8rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #64748b;
  background: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
  font-weight: 500;
}
.av-code-hint {
  font-weight: 400;
  font-size: 0.72rem;
  color: #94a3b8;
  margin-left: 6px;
}

.av-code-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  font-size: 0.85rem;
  line-height: 1.5;
  background: #f6f8fa;
}

.av-code-line {
  display: flex;
  padding: 1px 8px;
  color: #24292e;
  transition: background 0.15s;
  font-family: 'Consolas', 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', monospace;
}
.av-code-line:hover { background: #f3f4f6; }

.av-code-line.av-code-hl {
  background: #fef3c7;
}
.av-code-line.av-code-active {
  background: #fde68a;
  font-weight: 600;
}
.av-code-line.av-code-active .av-line-content {
  color: #1e293b;
}

.av-line-num {
  display: inline-block;
  width: 28px;
  text-align: right;
  color: #9ca3af;
  font-size: 0.78rem;
  margin-right: 12px;
  user-select: none;
  flex-shrink: 0;
}

.av-line-content {
  white-space: pre;
}

/* ─── Visualization Panel ─── */
.av-viz-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #fafbfc;
}

.av-viz-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: auto;
  padding: 8px;
}

.av-svg {
  width: 100%;
  max-width: 700px;
  height: auto;
  min-height: 260px;
}

.av-svg-title {
  font-size: 15px;
  font-weight: 700;
  fill: #1e293b;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.av-svg-caption {
  font-size: 12px;
  fill: #64748b;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.av-bar-label {
  font-size: 11px;
  fill: #374151;
}
.av-bar-value {
  font-size: 10px;
  fill: #374151;
}
.av-dp-value {
  fill: #1e293b;
  font-family: 'SF Mono', monospace;
}
.av-dp-label {
  fill: #9ca3af;
  font-family: 'SF Mono', monospace;
}
.av-threshold-label {
  font-size: 12px;
  fill: #ef4444;
  font-weight: 700;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.av-more-indicator {
  fill: #9ca3af;
  font-size: 14px;
}
.av-section-label {
  font-size: 10px;
  fill: #94a3b8;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.av-result-text {
  font-size: 28px;
  fill: #2563eb;
  font-weight: 700;
}
.av-result-sub {
  font-size: 14px;
  fill: #6b7280;
}

/* ─── Legend ─── */
.av-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 4px 12px 8px;
  justify-content: center;
  font-size: 0.78rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #475569;
}
.av-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.av-legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ─── Variables Bar ─── */
.av-vars-bar {
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  max-height: 56px;
  overflow: hidden;
}
.av-vars-scroll {
  overflow-x: auto;
  padding: 6px 16px;
}
.av-vars-table {
  border-collapse: collapse;
  font-size: 0.78rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  white-space: nowrap;
}
.av-vars-table th {
  text-align: left;
  padding: 2px 14px 2px 0;
  color: #94a3b8;
  font-weight: 500;
  font-size: 0.72rem;
  border-bottom: 1px solid #e2e8f0;
}
.av-vars-table td {
  padding: 2px 14px 2px 0;
  color: #374151;
}
.av-var-name {
  color: #3b82f6;
  font-weight: 600;
}
.av-var-val {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.av-var-hl {
  color: #dc2626;
  font-weight: 700;
  animation: av-pulse 0.6s ease;
}

@keyframes av-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; background: #fee2e2; border-radius: 2px; }
}

/* ─── Controls ─── */
.av-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  background: #f1f5f9;
  border-top: 1px solid #e2e8f0;
}

.av-ctrl {
  background: transparent;
  border: 1px solid #cbd5e1;
  color: #475569;
  padding: 4px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.15s;
}
.av-ctrl:hover:not(:disabled) {
  background: #e2e8f0;
  border-color: #94a3b8;
}
.av-ctrl:disabled {
  opacity: 0.35;
  cursor: default;
}

.av-play-btn {
  min-width: 52px;
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
  font-size: 0.95rem;
  font-weight: 600;
}
.av-play-btn:hover:not(:disabled) {
  background: #1d4ed8;
  border-color: #1d4ed8;
}

.av-speed {
  margin-left: 8px;
  padding: 3px 6px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  font-size: 0.78rem;
  background: #fff;
  color: #475569;
}

/* ─── Loading / Error ─── */
.av-page-root {
  padding: 20px;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.av-page-loading {
  text-align: center;
  color: #6b7280;
}
.av-page-error {
  text-align: center;
  color: #6b7280;
  max-width: 480px;
}
.av-page-error h2 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.av-page-error p {
  margin-bottom: 16px;
}

/* ─── Media queries ─── */
@media (max-width: 768px) {
  .av-body {
    flex-direction: column;
  }
  .av-problem-panel {
    width: 100%;
    min-width: unset;
    max-height: 30vh;
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
  }
  .av-code-panel {
    width: 100%;
    min-width: unset;
    max-height: 35vh;
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
  }
  .av-viz-panel {
    min-height: 30vh;
  }
  .av-vars-bar {
    max-height: 80px;
  }
}

/* ============================================================
   XD — XOR Demo Page (3-panel: problem | code | viz+vars)
   ============================================================ */

.xd-root {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ─── Top Bar ─── */
.xd-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: #1e293b;
  color: #f1f5f9;
  font-size: 0.9rem;
  z-index: 10;
  flex-shrink: 0;
}
.xd-back {
  background: transparent;
  border: 1px solid #475569;
  color: #cbd5e1;
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
.xd-back:hover { background: #334155; color: #fff; }
.xd-title {
  flex: 1;
  font-weight: 600;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.xd-step-info {
  background: #334155;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: #94a3b8;
}

/* ─── Body: 3-panel ─── */
.xd-body {
  display: flex;
  flex: 1;
  min-height: 0;
  border-bottom: 1px solid #e2e8f0;
}

.xd-panel-header, .av-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 0.8rem;
  color: #64748b;
  background: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
  font-weight: 600;
  flex-shrink: 0;
}
.xd-panel-header > :first-child, .av-panel-header > :first-child {
  flex: 1;
}

/* ─── LEFT: Problem Panel ─── */
.xd-problem-panel {
  width: 26%;
  min-width: 260px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #e2e8f0;
  background: #fff;
}
.xd-problem-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px;
  font-size: 0.82rem;
  line-height: 1.6;
}
.xd-problem-title {
  font-size: 1rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 6px;
}
.xd-problem-meta {
  display: flex;
  gap: 12px;
  font-size: 0.75rem;
  color: #64748b;
  margin-bottom: 12px;
}
.xd-section {
  margin-bottom: 14px;
}
.xd-section h2 {
  font-size: 0.85rem;
  font-weight: 700;
  color: #2563eb;
  margin-bottom: 6px;
  padding-bottom: 3px;
  border-bottom: 1px solid #e2e8f0;
}
.xd-md p { margin: 0 0 8px; }
.xd-md strong { color: #1e293b; }

/* Samples */
.xd-sample-block {
  margin-bottom: 10px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  overflow: hidden;
}
.xd-sample-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 8px;
  background: #f8fafc;
  font-size: 0.78rem;
  font-weight: 600;
  color: #475569;
}
.xd-sample-btn {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  cursor: pointer;
}
.xd-sample-btn:hover { background: #1d4ed8; }
.xd-sample-io {
  display: flex;
  gap: 1px;
  background: #e2e8f0;
}
.xd-sample-in, .xd-sample-out {
  flex: 1;
  background: #fff;
}
.xd-sample-label {
  display: block;
  font-size: 0.7rem;
  color: #94a3b8;
  padding: 2px 8px 0;
}
.xd-sample-in pre, .xd-sample-out pre {
  font-size: 0.75rem;
  padding: 2px 8px 6px;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
  font-family: 'SF Mono', 'Consolas', monospace;
  color: #334155;
}

/* ─── MIDDLE: Code Panel ─── */
.xd-code-panel {
  width: 34%;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #e2e8f0;
  background: #fafbfc;
}
.xd-code-hint {
  font-weight: 400;
  font-size: 0.72rem;
  color: #94a3b8;
  margin-left: 6px;
}

/* ─── Copy Button ─── */
.code-copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 5;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: rgba(255,255,255,0.9);
  border: 1px solid #d1d5db;
  color: #6b7280;
  padding: 2px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 500;
  transition: all 0.15s;
  white-space: nowrap;
  line-height: 1.5;
}
.code-copy-btn:hover {
  background: #e5e7eb;
  border-color: #9ca3af;
  color: #374151;
}
.code-copy-btn.copied {
  background: #d1fae5;
  border-color: #34d399;
  color: #065f46;
}
.code-wrapper {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.xd-copy-btn, .av-copy-btn {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: transparent;
  border: 1px solid #d1d5db;
  color: #6b7280;
  padding: 2px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 500;
  transition: all 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.xd-copy-btn:hover, .av-copy-btn:hover {
  background: #e5e7eb;
  border-color: #9ca3af;
  color: #374151;
}
.xd-copy-btn.copied, .av-copy-btn.copied {
  background: #d1fae5;
  border-color: #34d399;
  color: #065f46;
}
.xd-code-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  font-size: 0.82rem;
  line-height: 1.55;
  background: #f6f8fa;
}
.xd-code-line {
  display: flex;
  padding: 1px 8px;
  color: #24292e;
  transition: background 0.2s;
  font-family: 'Consolas', 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
}
.xd-code-line:hover { background: #f3f4f6; }
.xd-code-line.xd-code-hl {
  background: #fef9c3;
}
.xd-code-line.xd-code-active {
  background: #fde047;
  font-weight: 700;
  box-shadow: inset 3px 0 0 #f59e0b;
}
.xd-code-line.xd-code-active .xd-line-content {
  color: #1e293b;
}
.xd-line-num {
  display: inline-block;
  width: 26px;
  text-align: right;
  color: #9ca3af;
  font-size: 0.75rem;
  margin-right: 10px;
  user-select: none;
  flex-shrink: 0;
}
.xd-line-content {
  white-space: pre;
}

/* ─── RIGHT: Viz + Vars Panel ─── */
.xd-viz-panel {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  background: #fafbfc;
}
.xd-viz-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 8px;
}
.xd-svg {
  width: 100%;
  max-width: 680px;
  height: auto;
  min-height: 200px;
}
.xd-svg-title {
  font-size: 14px;
  font-weight: 700;
  fill: #1e293b;
}
.xd-svg-caption {
  font-size: 11px;
  fill: #64748b;
}
.xd-bar-idx {
  font-size: 11px;
  fill: #64748b;
  font-weight: 600;
}
.xd-bar-val {
  font-size: 11px;
  fill: #1e293b;
  font-weight: 600;
}
.xd-result-text {
  font-size: 26px;
  fill: #2563eb;
  font-weight: 700;
}
.xd-result-sub {
  font-size: 13px;
  fill: #6b7280;
}

/* Legend */
.xd-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 6px 8px;
  justify-content: center;
  font-size: 0.75rem;
  color: #475569;
}
.xd-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.xd-legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Step description */
.xd-step-desc {
  padding: 8px 10px;
  margin: 4px 0;
  background: #f8fafc;
  border-radius: 6px;
  border-left: 3px solid #2563eb;
}
.xd-step-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 2px;
}
.xd-step-caption {
  font-size: 0.75rem;
  color: #64748b;
  line-height: 1.4;
}

/* Variables section */
.xd-vars-section {
  border-top: 1px solid #e2e8f0;
  padding-top: 6px;
  margin-top: 4px;
}
.xd-vars-header {
  font-size: 0.78rem;
  font-weight: 600;
  color: #64748b;
  padding: 0 4px 4px;
}
.xd-vars-scroll {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.xd-var-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 8px;
  font-size: 0.78rem;
  font-family: 'SF Mono', 'Consolas', 'Fira Code', monospace;
  border-radius: 4px;
  transition: background 0.2s;
}
.xd-var-row:hover { background: #f1f5f9; }
.xd-var-name {
  color: #3b82f6;
  font-weight: 600;
  min-width: 70px;
  flex-shrink: 0;
}
.xd-var-val {
  color: #334155;
  word-break: break-all;
}
.xd-var-hl {
  background: #fef2f2;
}
.xd-var-hl .xd-var-val {
  color: #dc2626;
  font-weight: 700;
}
.xd-var-hl .xd-var-name {
  color: #dc2626;
}

/* ─── Controls + Input ─── */
.xd-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 16px;
  background: #f1f5f9;
  border-top: 1px solid #e2e8f0;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.xd-ctrl-left, .xd-ctrl-right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.xd-ctrl {
  background: transparent;
  border: 1px solid #cbd5e1;
  color: #475569;
  padding: 4px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.15s;
}
.xd-ctrl:hover:not(:disabled) {
  background: #e2e8f0;
  border-color: #94a3b8;
}
.xd-ctrl:disabled {
  opacity: 0.35;
  cursor: default;
}
.xd-play-btn {
  min-width: 52px;
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
  font-size: 0.95rem;
  font-weight: 600;
}
.xd-play-btn:hover:not(:disabled) {
  background: #1d4ed8;
  border-color: #1d4ed8;
}
.xd-speed {
  padding: 3px 6px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  font-size: 0.78rem;
  background: #fff;
  color: #475569;
}

/* Input controls */
.xd-input-label {
  font-size: 0.78rem;
  color: #475569;
  font-weight: 600;
}
.xd-input-hint {
  font-size: 0.75rem;
  color: #64748b;
  font-family: 'SF Mono', monospace;
}
.xd-input {
  padding: 3px 8px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  font-size: 0.78rem;
  font-family: 'SF Mono', 'Consolas', monospace;
  background: #fff;
  color: #334155;
  width: 120px;
}
.xd-arr-input { width: 140px; }
.xd-k-input { width: 60px; }
.xd-run-btn {
  background: #059669;
  color: #fff;
  border: none;
  padding: 4px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  transition: background 0.15s;
}
.xd-run-btn:hover { background: #047857; }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .xd-body {
    flex-direction: column;
  }
  .xd-problem-panel {
    width: 100%;
    min-width: unset;
    max-height: 35vh;
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
  }
  .xd-code-panel {
    width: 100%;
    min-width: unset;
    max-height: 35vh;
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
  }
  .xd-viz-panel {
    min-height: 30vh;
  }
}

/* Right-panel variable table */
.av-viz-panel .av-vars-table { width: 100%; font-size: 0.78rem; }
.av-viz-panel .av-vars-table th { font-size: 0.7rem; padding: 4px 8px; }
.av-viz-panel .av-vars-table td { padding: 3px 8px; font-size: 0.78rem; }

/* Dark mode — keep backgrounds light */
@media (prefers-color-scheme: dark) {
  .av-root, .av-body, .av-code-panel, .av-viz-panel,
  .av-problem-panel, .av-problem-scroll, .av-vars-bar,
  .av-code-scroll, .av-vars-scroll { background: #fff !important; }
  .av-topbar { background: #3b82f6 !important; }
  .av-code-line { color: #24292e; }
  .av-code-hl { background: #fef08a; }
  .av-code-active { background: #fef08a; border-left-color: #f59e0b; }
}