@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Inter:wght@400;500;600&display=swap');

  :root {
    --cr-bg: #0f1117;
    --cr-surface: #161b22;
    --cr-panel: #1c2130;
    --cr-border: rgba(255,255,255,0.08);
    --cr-border-strong: rgba(255,255,255,0.14);
    --cr-red: #e05c5c;
    --cr-red-dim: rgba(224,92,92,0.12);
    --cr-red-glow: rgba(224,92,92,0.25);
    --cr-gold: #e8b86d;
    --cr-teal: #5ccfcf;
    --cr-purple: #b78fff;
    --cr-green: #5ec47a;
    --cr-blue: #5ba4cf;
    --cr-text: #e4e8f0;
    --cr-muted: #7a8494;
    --cr-line: #2d3447;
    --cr-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --cr-sans: 'Inter', system-ui, sans-serif;
    --cr-success-bg: rgba(94,196,122,0.10);
    --cr-fail-bg: rgba(224,92,92,0.10);
    --max-width: 1400px;
  }

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

  body {
    background: var(--cr-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
  }

  .playground {
    font-family: var(--cr-sans);
    background: var(--cr-bg);
    color: var(--cr-text);
    min-height: 680px;
    max-width: var(--max-width);
    width: 100%;
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--cr-border-strong);
  }

  .toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    height: 48px;
    background: var(--cr-surface);
    border-bottom: 1px solid var(--cr-border);
    flex-shrink: 0;
    flex-wrap: wrap;
  }

  .toolbar-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    color: var(--cr-red);
    letter-spacing: 0.02em;
  }

  .logo-dot {
    width: 10px; height: 10px;
    background: var(--cr-red);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--cr-red-glow);
    flex-shrink: 0;
  }

  .toolbar-sep { flex: 1; }

  .toolbar-actions {
    display: flex;
    gap: 4px;
    align-items: center;
  }

  .toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    color: var(--cr-muted);
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    font-size: 16px;
  }
  .toolbar-btn:hover { 
    color: var(--cr-text); 
    border-color: var(--cr-border-strong);
    background: var(--cr-panel);
  }

  .tab-bar {
    display: flex;
    gap: 2px;
    background: var(--cr-panel);
    border-radius: 6px;
    padding: 2px;
  }

  .tab {
    font-family: var(--cr-sans);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border: none;
    background: transparent;
    color: var(--cr-muted);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.15s;
  }
  .tab.active { background: var(--cr-surface); color: var(--cr-text); }
  .tab:hover:not(.active) { color: var(--cr-text); }

  .run-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--cr-red);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-family: var(--cr-sans);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s;
    letter-spacing: 0.01em;
    white-space: nowrap;
  }
  .run-btn:hover { opacity: 0.88; }
  .run-btn:active { transform: scale(0.97); }
  .run-btn svg { width: 12px; height: 12px; fill: currentColor; }

  .clear-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 11px;
    background: transparent;
    color: var(--cr-muted);
    border: 1px solid var(--cr-border-strong);
    border-radius: 6px;
    font-family: var(--cr-sans);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
  }
  .clear-btn:hover { color: var(--cr-text); border-color: var(--cr-border-strong); background: var(--cr-panel); }

  .panes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    flex: 1;
    min-height: 0;
  }

  .editor-pane {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--cr-border);
    overflow: hidden;
    min-height: 400px;
  }

  .pane-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 11px;
    font-weight: 600;
    color: var(--cr-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--cr-border);
    background: var(--cr-surface);
    flex-shrink: 0;
  }

  .pane-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: 0.5; }

  .editor-wrap {
    position: relative;
    flex: 1;
    overflow: auto;
    background: var(--cr-bg);
    display: flex;
    align-items: flex-start;
    height: 100%;
  }

  .line-nums {
    padding: 16px 0 16px 12px;
    font-family: var(--cr-mono);
    font-size: 13px;
    line-height: 1.7;
    color: var(--cr-muted);
    user-select: none;
    text-align: right;
    min-width: 40px;
    opacity: 0.4;
    flex-shrink: 0;
    pointer-events: none;
    background: var(--cr-bg);
    position: sticky;
    top: 0;
    left: 0;
    z-index: 1;
    min-height: 100%;
    white-space: pre;
    overflow: hidden;
  }

  .editor-area {
    position: relative;
    flex: 1;
    min-height: 100%;
    overflow: visible;
  }

  .highlight-layer {
    position: absolute;
    inset: 0;
    padding: 16px 16px 16px 12px;
    font-family: var(--cr-mono);
    font-size: 13px;
    line-height: 1.7;
    white-space: pre;
    overflow: visible;
    pointer-events: none;
    color: transparent;
    min-height: 100%;
  }

  #code-input {
    position: absolute;
    inset: 0;
    padding: 16px 16px 16px 12px;
    font-family: var(--cr-mono);
    font-size: 13px;
    line-height: 1.7;
    background: transparent;
    border: none;
    outline: none;
    color: var(--cr-text);
    resize: none;
    caret-color: var(--cr-red);
    white-space: pre;
    overflow: visible;
    tab-size: 2;
    width: 100%;
    min-height: 100%;
    z-index: 2;
  }

  .output-pane {
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .output-tabs {
    display: flex;
    border-bottom: 1px solid var(--cr-border);
    background: var(--cr-surface);
    flex-shrink: 0;
  }

  .out-tab {
    padding: 8px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cr-muted);
    cursor: pointer;
    border: none;
    background: transparent;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
  }
  .out-tab.active { color: var(--cr-red); border-bottom-color: var(--cr-red); }
  .out-tab:hover:not(.active) { color: var(--cr-text); }

  .output-body {
    flex: 1;
    overflow: auto;
    padding: 16px;
    font-family: var(--cr-mono);
    font-size: 13px;
    line-height: 1.7;
  }

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

  .out-line { white-space: pre-wrap; word-break: break-all; }
  .out-line.ok { color: var(--cr-text); }
  .out-line.err { color: var(--cr-red); }
  .out-line.meta { color: var(--cr-muted); font-style: italic; }

  .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 8px;
    color: var(--cr-muted);
    font-family: var(--cr-sans);
    padding: 40px;
    text-align: center;
  }
  .empty-state .icon { font-size: 28px; opacity: 0.3; }
  .empty-state p { font-size: 13px; line-height: 1.6; }

  .examples-row {
    display: flex;
    gap: 6px;
    padding: 8px 16px;
    background: var(--cr-surface);
    border-bottom: 1px solid var(--cr-border);
    flex-wrap: wrap;
    flex-shrink: 0;
  }
  .example-chip {
    font-size: 11px;
    font-weight: 500;
    padding: 3px 10px;
    background: var(--cr-panel);
    color: var(--cr-muted);
    border: 1px solid var(--cr-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--cr-sans);
  }
  .example-chip:hover { color: var(--cr-red); border-color: var(--cr-red-glow); background: var(--cr-red-dim); }

  .k { color: var(--cr-red); }
  .s { color: var(--cr-gold); }
  .n { color: var(--cr-teal); }
  .c { color: var(--cr-muted); font-style: italic; }
  .num { color: var(--cr-purple); }
  .op { color: var(--cr-text); opacity: 0.7; }
  .bo { color: var(--cr-blue); }
  .fn { color: var(--cr-green); }

  /* Documentation Styles */
  .docs-container {
    display: flex;
    height: 100%;
    background: var(--cr-bg);
    font-family: var(--cr-sans);
  }

  .docs-sidebar {
    width: 260px;
    min-width: 260px;
    background: var(--cr-surface);
    border-right: 1px solid var(--cr-border);
    overflow-y: auto;
    padding: 16px 0;
    flex-shrink: 0;
  }

  .docs-search {
    padding: 0 16px 16px;
  }

  .docs-search input {
    width: 100%;
    padding: 8px 12px;
    background: var(--cr-panel);
    border: 1px solid var(--cr-border);
    border-radius: 6px;
    color: var(--cr-text);
    font-size: 13px;
    font-family: var(--cr-sans);
    outline: none;
    transition: border-color 0.15s;
  }

  .docs-search input:focus {
    border-color: var(--cr-red);
  }

  .docs-search input::placeholder {
    color: var(--cr-muted);
  }

  .docs-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 8px;
  }

  .docs-nav-item {
    padding: 6px 12px;
    color: var(--cr-muted);
    text-decoration: none;
    font-size: 13px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--cr-sans);
  }

  .docs-nav-item:hover {
    background: var(--cr-panel);
    color: var(--cr-text);
  }

  .docs-nav-item.active {
    background: var(--cr-red-dim);
    color: var(--cr-red);
  }

  .docs-nav-item.hidden {
    display: none;
  }

  .docs-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px 48px;
    background: var(--cr-bg);
  }

  .docs-markdown {
    max-width: 900px;
    margin: 0 auto;
    color: var(--cr-text);
    font-size: 15px;
    line-height: 1.8;
  }

  .docs-markdown h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--cr-red);
    margin: 0 0 8px 0;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--cr-border);
  }

  .docs-markdown h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--cr-text);
    margin: 32px 0 16px 0;
    padding-top: 8px;
  }

  .docs-markdown h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--cr-text);
    margin: 24px 0 12px 0;
  }

  .docs-markdown h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--cr-text);
    margin: 20px 0 10px 0;
  }

  .docs-markdown p {
    margin: 12px 0;
    color: var(--cr-text);
  }

  .docs-markdown ul, .docs-markdown ol {
    margin: 12px 0 12px 24px;
  }

  .docs-markdown li {
    margin: 4px 0;
  }

  .docs-markdown code {
    font-family: var(--cr-mono);
    font-size: 13px;
    background: var(--cr-panel);
    padding: 2px 6px;
    border-radius: 3px;
    color: var(--cr-gold);
  }

  .docs-markdown pre {
    background: var(--cr-surface);
    border: 1px solid var(--cr-border);
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
    margin: 16px 0;
  }

  .docs-markdown pre code {
    background: transparent;
    padding: 0;
    color: var(--cr-text);
    font-size: 13px;
    line-height: 1.7;
    display: block;
  }

  .docs-markdown table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
  }

  .docs-markdown th {
    background: var(--cr-surface);
    color: var(--cr-text);
    font-weight: 600;
    padding: 10px 12px;
    text-align: left;
    border: 1px solid var(--cr-border);
  }

  .docs-markdown td {
    padding: 8px 12px;
    border: 1px solid var(--cr-border);
    color: var(--cr-text);
  }

  .docs-markdown tr:hover td {
    background: var(--cr-surface);
  }

  .docs-markdown hr {
    border: none;
    border-top: 1px solid var(--cr-border);
    margin: 24px 0;
  }

  .docs-markdown blockquote {
    border-left: 3px solid var(--cr-red);
    padding-left: 16px;
    margin: 16px 0;
    color: var(--cr-muted);
  }

  .status-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 5px 16px;
    font-size: 11px;
    color: var(--cr-muted);
    background: var(--cr-surface);
    border-top: 1px solid var(--cr-border);
    flex-shrink: 0;
    flex-wrap: wrap;
  }
  .status-bar .ready { color: var(--cr-green); font-weight: 600; }
  .status-bar .loading { color: var(--cr-gold); }
  .status-bar .sep { margin: 0 4px; opacity: 0.3; }
  .footer-credit { 
    color: var(--cr-muted);
    font-size: 10px;
    opacity: 0.6;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 7px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.03em;
  }
  .badge-wasm { background: var(--cr-red-dim); color: var(--cr-red); border: 1px solid var(--cr-red-glow); }
  .badge-lang { background: rgba(91,164,207,0.12); color: var(--cr-blue); border: 1px solid rgba(91,164,207,0.25); }

  /* Command Palette Styles */
  #cmd-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 999;
  }

  #cmd-modal {
    position: fixed;
    top: 18%;
    left: 50%;
    transform: translateX(-50%);
    width: min(560px, 92vw);
    background: #1c2130;
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 10px;
    z-index: 1000;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0,0,0,0.6);
    display: none;
  }

  #cmd-modal .cmd-search-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  #cmd-modal .cmd-search-row span {
    color: #7a8494;
    font-size: 15px;
  }

  #cmd-modal .cmd-search-row input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #e4e8f0;
    font-size: 14px;
    font-family: 'JetBrains Mono', monospace;
    caret-color: #e05c5c;
  }

  #cmd-modal .cmd-search-row kbd {
    font-size: 10px;
    color: #7a8494;
    background: #0f1117;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: monospace;
  }

  #cmd-list {
    max-height: 340px;
    overflow-y: auto;
    padding: 6px;
  }

  #cmd-list .cmd-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.1s;
  }

  #cmd-list .cmd-item.active {
    background: rgba(224,92,92,0.12);
    border: 1px solid rgba(224,92,92,0.25);
  }

  #cmd-list .cmd-item .cmd-icon {
    font-size: 15px;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
  }

  #cmd-list .cmd-item .cmd-info {
    flex: 1;
    min-width: 0;
  }

  #cmd-list .cmd-item .cmd-label {
    font-size: 13px;
    font-weight: 500;
    color: #e4e8f0;
    font-family: 'Inter', sans-serif;
  }

  #cmd-list .cmd-item .cmd-desc {
    font-size: 11px;
    color: #7a8494;
    margin-top: 1px;
    font-family: 'Inter', sans-serif;
  }

  #cmd-list .cmd-item .cmd-shortcuts {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-shrink: 0;
  }

  #cmd-list .cmd-item .cmd-shortcuts kbd {
    font-size: 10px;
    color: #7a8494;
    background: #0f1117;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 3px;
    padding: 1px 5px;
    font-family: monospace;
  }

  #cmd-footer {
    padding: 8px 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex;
    gap: 16px;
    font-size: 11px;
    color: #7a8494;
    font-family: 'JetBrains Mono', monospace;
  }

  #cmd-footer kbd {
    background: #0f1117;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 3px;
    padding: 1px 5px;
  }

  /* Modal Styles */
  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
  }

  .modal-content {
    background: var(--cr-surface);
    border: 1px solid var(--cr-border-strong);
    border-radius: 12px;
    max-width: 700px;
    width: 92vw;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(0,0,0,0.8);
  }

  .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--cr-border);
  }

  .modal-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--cr-text);
  }

  .modal-close {
    background: transparent;
    border: none;
    color: var(--cr-muted);
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.15s;
  }
  .modal-close:hover {
    color: var(--cr-text);
    background: var(--cr-panel);
  }

  .modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(85vh - 130px);
  }

  .modal-footer {
    padding: 12px 24px;
    border-top: 1px solid var(--cr-border);
    display: flex;
    justify-content: flex-end;
  }

  .modal-btn {
    padding: 8px 20px;
    background: var(--cr-red);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-family: var(--cr-sans);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s;
  }
  .modal-btn:hover { opacity: 0.85; }

  /* Shortcuts Grid */
  .shortcuts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .shortcut-group h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--cr-text);
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--cr-border);
  }

  .shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 13px;
    color: var(--cr-text);
    gap: 12px;
  }

  .shortcut-item kbd {
    font-family: var(--cr-mono);
    font-size: 11px;
    background: var(--cr-panel);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--cr-border);
    color: var(--cr-text);
    white-space: nowrap;
  }

  .shortcut-item span:last-child {
    color: var(--cr-muted);
    text-align: right;
  }

  /* About Modal */
  .about-modal {
    max-width: 560px;
  }

  .about-body {
    text-align: center;
  }

  .about-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 700;
    color: var(--cr-red);
    margin-bottom: 8px;
  }

  .about-logo-dot {
    width: 16px;
    height: 16px;
    background: var(--cr-red);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--cr-red-glow);
  }

  .about-version {
    color: var(--cr-muted);
    font-size: 14px;
    margin-bottom: 20px;
  }

  .about-description {
    text-align: left;
    font-size: 14px;
    line-height: 1.8;
    color: var(--cr-text);
  }

  .about-description ul {
    margin: 8px 0 8px 20px;
    list-style: none;
  }

  .about-description ul li {
    padding: 2px 0;
  }

  .about-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--cr-border);
  }

  .about-credits p {
    font-size: 15px;
    color: var(--cr-text);
  }

  .about-credits strong {
    color: var(--cr-red);
  }

  /* Responsive Design */
  @media (min-width: 1600px) {
    :root {
      --max-width: 1600px;
    }
    .playground {
      min-height: 800px;
    }
    .docs-content {
      padding: 48px 64px;
    }
  }

  @media (max-width: 1200px) {
    .panes {
      grid-template-columns: 1fr;
    }
    .editor-pane {
      border-right: none;
      border-bottom: 1px solid var(--cr-border);
    }
    .editor-pane {
      min-height: 300px;
    }
    .output-pane {
      min-height: 300px;
    }
  }

  @media (max-width: 992px) {
    .toolbar {
      gap: 8px;
      padding: 4px 12px;
      height: auto;
      min-height: 48px;
    }
    .toolbar-actions {
      order: 10;
    }
    .badge {
      display: none;
    }
    .docs-container {
      flex-direction: column;
    }
    .docs-sidebar {
      width: 100%;
      min-width: unset;
      max-height: 180px;
      border-right: none;
      border-bottom: 1px solid var(--cr-border);
    }
    .docs-content {
      padding: 20px;
    }
    .shortcuts-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 768px) {
    body {
      padding: 8px;
    }
    .playground {
      border-radius: 8px;
      min-height: 100vh;
    }
    .panes {
      grid-template-columns: 1fr;
      min-height: 0;
    }
    .editor-pane {
      min-height: 250px;
    }
    .output-pane {
      min-height: 250px;
    }
    .examples-row {
      gap: 4px;
      padding: 6px 12px;
    }
    .example-chip {
      font-size: 10px;
      padding: 2px 8px;
    }
    .line-nums {
      font-size: 11px;
      padding: 12px 0 12px 8px;
      min-width: 30px;
    }
    #code-input, .highlight-layer {
      font-size: 11px;
      padding: 12px 12px 12px 8px;
    }
    .docs-content {
      padding: 16px;
    }
    .docs-markdown {
      font-size: 14px;
    }
    .docs-markdown h1 {
      font-size: 24px;
    }
    .docs-markdown h2 {
      font-size: 20px;
    }
    .modal-content {
      width: 96vw;
      max-height: 90vh;
    }
    .shortcut-item {
      font-size: 12px;
    }
    .toolbar .clear-btn span {
      display: none;
    }
    .toolbar .clear-btn {
      padding: 6px 10px;
    }
    .status-bar {
      font-size: 10px;
      gap: 8px;
    }
    .footer-credit {
      font-size: 9px;
    }
  }

  @media (max-width: 480px) {
    .toolbar {
      gap: 4px;
    }
    .toolbar-logo {
      font-size: 12px;
    }
    .tab {
      font-size: 10px;
      padding: 3px 8px;
    }
    .run-btn {
      font-size: 11px;
      padding: 4px 10px;
    }
    .examples-row {
      gap: 3px;
      padding: 4px 8px;
    }
    .example-chip {
      font-size: 9px;
      padding: 2px 6px;
    }
    .pane-header {
      font-size: 9px;
      padding: 6px 12px;
    }
    .output-tabs .out-tab {
      font-size: 9px;
      padding: 6px 10px;
    }
    #cmd-modal {
      width: 96vw;
      top: 10%;
    }
    .modal-body {
      padding: 16px;
    }
    .about-logo {
      font-size: 22px;
    }
  }

  /* Responsive docs */
  @media (max-width: 768px) {
    .docs-container {
      flex-direction: column;
    }
    
    .docs-sidebar {
      width: 100%;
      min-width: unset;
      max-height: 200px;
      border-right: none;
      border-bottom: 1px solid var(--cr-border);
    }
    
    .docs-content {
      padding: 16px;
    }
  }

  /* Syntax highlighting in docs */
  .docs-markdown .k { color: var(--cr-red); }
  .docs-markdown .s { color: var(--cr-gold); }
  .docs-markdown .n { color: var(--cr-teal); }
  .docs-markdown .c { color: var(--cr-muted); font-style: italic; }
  .docs-markdown .num { color: var(--cr-purple); }
  .docs-markdown .op { color: var(--cr-text); opacity: 0.7; }
  .docs-markdown .bo { color: var(--cr-blue); }
  .docs-markdown .fn { color: var(--cr-green); }