:root {
  
  --font-base-size: 15px;

  --system-bg: #000000;
  --system-secondary-bg: #1c1c1e;
  --system-tertiary-bg: #2c2c2e;
  --system-grouped-bg: #161618;
  --system-elevated-bg: #242426;

  --material-ultra-thin: rgba(20, 20, 24, 0.55);
  --material-thin: rgba(28, 28, 32, 0.72);
  --material-regular: rgba(36, 36, 42, 0.84);
  --material-thick: rgba(44, 44, 50, 0.92);
  
  --hairline-border: rgba(255, 255, 255, 0.1);
  --hairline-border-subtle: rgba(255, 255, 255, 0.05);
  --hairline-border-bright: rgba(255, 255, 255, 0.2);

  --system-blue: #0a84ff;
  --system-blue-glow: rgba(10, 132, 255, 0.25);
  --system-indigo: #5e5ce6;
  --system-purple: #bf5af2;
  --system-pink: #ff375f;
  --system-red: #ff453a;
  --system-orange: #ff9f0a;
  --system-orange-glow: rgba(255, 159, 10, 0.25);
  --system-yellow: #ffd60a;
  --system-green: #30d158;
  --system-green-glow: rgba(48, 209, 88, 0.25);
  --system-mint: #63e6e2;
  --system-teal: #40c8e0;
  --system-cyan: #64d2ff;

  --label-primary: #ffffff;
  --label-secondary: rgba(235, 235, 245, 0.65);
  --label-tertiary: rgba(235, 235, 245, 0.35);
  --label-quaternary: rgba(235, 235, 245, 0.18);

  --font-sf: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.45);
  --shadow-modal: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 1px rgba(255, 255, 255, 0.2);

  --spring-easing: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.18s var(--spring-easing);
  --transition-smooth: 0.32s var(--spring-easing);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  font-size: var(--font-base-size);
  background-color: var(--system-bg);
  color: var(--label-primary);
  font-family: var(--font-sf);
  line-height: 1.55;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--system-bg);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.28);
}

.macos-window {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  background: var(--system-bg);
  position: relative;
  overflow: hidden;
}

.window-toolbar {
  height: 52px;
  min-height: 52px;
  background: var(--material-thin);
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  border-bottom: 1px solid var(--hairline-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  z-index: 100;
  user-select: none;
}

.window-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.traffic-lights {
  display: flex;
  gap: 8px;
}
.traffic-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  position: relative;
}
.dot-close { background: #ff5f56; border: 1px solid #e0443e; }
.dot-min { background: #ffbd2e; border: 1px solid #dea123; }
.dot-max { background: #27c93f; border: 1px solid #1aab29; }

.app-branding {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.app-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--label-primary);
  letter-spacing: -0.01em;
}
.app-pill {
  font-size: 0.68rem;
  font-weight: 600;
  background: rgba(10, 132, 255, 0.15);
  color: var(--system-blue);
  padding: 0.18rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(10, 132, 255, 0.3);
}

.toolbar-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--hairline-border);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  color: var(--label-secondary);
  font-size: 0.82rem;
  cursor: pointer;
  width: 280px;
  transition: var(--transition-fast);
}
.toolbar-search:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--label-primary);
  border-color: var(--hairline-border-bright);
}
.search-kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.12);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  color: var(--label-secondary);
}

.window-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.apple-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--hairline-border);
  color: var(--label-primary);
  padding: 0.38rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  outline: none;
  text-decoration: none;
}
.apple-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--hairline-border-bright);
}
.apple-btn:active {
  transform: scale(0.97);
}
.apple-btn.active {
  background: var(--system-blue);
  border-color: var(--system-blue);
  color: #fff;
}

.split-view-container {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

.apple-sidebar {
  width: 280px;
  min-width: 280px;
  background: var(--material-ultra-thin);
  border-right: 1px solid var(--hairline-border);
  overflow-y: auto;
  padding: 1.25rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  user-select: none;
}

.sidebar-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--label-tertiary);
  letter-spacing: 0.06em;
  padding: 0.2rem 0.6rem;
  margin-bottom: 0.25rem;
}

.sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.48rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  color: var(--label-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}
.sidebar-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--label-primary);
}
.sidebar-item.active {
  background: var(--system-blue);
  color: #ffffff;
  font-weight: 600;
}
.sidebar-item-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.sidebar-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}
.sidebar-badge {
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-pill);
  color: var(--label-tertiary);
}
.sidebar-item.active .sidebar-badge {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.apple-master-pane {
  width: 380px;
  min-width: 380px;
  background: var(--system-grouped-bg);
  border-right: 1px solid var(--hairline-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.master-header {
  padding: 1rem;
  border-bottom: 1px solid var(--hairline-border);
  background: var(--material-thin);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.segmented-control {
  display: flex;
  background: rgba(255, 255, 255, 0.08);
  padding: 3px;
  border-radius: var(--radius-sm);
  position: relative;
  user-select: none;
}
.segmented-item {
  flex: 1;
  text-align: center;
  padding: 0.32rem 0;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--label-secondary);
  border-radius: 7px;
  cursor: pointer;
  transition: var(--transition-fast);
}
.segmented-item:hover {
  color: var(--label-primary);
}
.segmented-item.active {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.master-search-input {
  width: 100%;
  background: var(--system-secondary-bg);
  border: 1px solid var(--hairline-border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.8rem 0.45rem 2rem;
  color: var(--label-primary);
  font-size: 0.82rem;
  font-family: var(--font-sf);
  outline: none;
  transition: var(--transition-fast);
}
.master-search-input:focus {
  border-color: var(--system-blue);
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.2);
}
.master-search-box {
  position: relative;
}
.master-search-icon {
  position: absolute;
  left: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--label-tertiary);
  pointer-events: none;
  font-size: 0.75rem;
}

.topic-list-feed {
  flex: 1;
  overflow-y: auto;
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.topic-cell {
  background: var(--system-secondary-bg);
  border: 1px solid var(--hairline-border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  position: relative;
}
.topic-cell:hover {
  background: var(--system-tertiary-bg);
  border-color: var(--hairline-border-bright);
}
.topic-cell.selected {
  background: rgba(10, 132, 255, 0.14);
  border-color: var(--system-blue);
  box-shadow: 0 0 0 1px var(--system-blue);
}

.cell-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cell-branch-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--system-cyan);
  letter-spacing: 0.04em;
}
.cell-level-badge {
  font-size: 0.66rem;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  color: var(--label-secondary);
}
.cell-level-badge.expert {
  color: var(--system-orange);
  background: rgba(255, 159, 10, 0.15);
}
.cell-title {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--label-primary);
  line-height: 1.35;
}
.cell-tagline {
  font-size: 0.78rem;
  color: var(--label-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.apple-detail-pane {
  flex: 1;
  background: var(--system-bg);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  position: relative;
}

.canvas-toolbar {
  position: sticky;
  top: 0;
  background: var(--material-thin);
  backdrop-filter: blur(28px) saturate(190%);
  border-bottom: 1px solid var(--hairline-border);
  padding: 0.6rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 50;
}

.canvas-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--label-tertiary);
}
.crumb-active {
  color: var(--label-primary);
  font-weight: 600;
}

.canvas-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.canvas-body {
  padding: 3rem 4rem 6rem;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
}

.canvas-header-block {
  margin-bottom: 2.5rem;
}
.canvas-pretitle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--system-blue);
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}
.canvas-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--label-primary);
  line-height: 1.15;
  margin-bottom: 0.8rem;
}
.canvas-tagline {
  font-size: 1.25rem;
  color: var(--label-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.inset-group-box {
  background: var(--system-secondary-bg);
  border: 1px solid var(--hairline-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 2rem 0;
}

.inset-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--system-orange);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.canvas-prose {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--label-primary);
  margin-bottom: 2rem;
}

.hig-card {
  background: var(--system-secondary-bg);
  border: 1px solid var(--hairline-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-subtle);
}

.hig-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--label-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ordered-step-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ordered-step-item {
  display: flex;
  gap: 0.85rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.step-circle {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border-radius: 50%;
  background: var(--system-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.tool-pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.tool-pill {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--hairline-border);
  color: var(--label-primary);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
}

.hig-callout {
  background: rgba(255, 69, 58, 0.08);
  border-left: 4px solid var(--system-red);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
}
.hig-callout.warning {
  background: rgba(255, 159, 10, 0.08);
  border-left-color: var(--system-orange);
}

.code-block-wrapper {
  background: #08080a;
  border: 1px solid var(--hairline-border);
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.code-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--hairline-border);
  font-size: 0.78rem;
}

.code-lang-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--system-cyan);
  text-transform: uppercase;
}

.code-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--hairline-border);
  color: var(--label-secondary);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-xs);
  font-size: 0.72rem;
  font-family: var(--font-sf);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.code-copy-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--label-primary);
  border-color: rgba(255, 255, 255, 0.25);
}

.code-block-wrapper pre {
  margin: 0 !important;
  border: none !important;
  border-radius: 0 !important;
  background: transparent !important;
  padding: 1.15rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.55;
  color: #a5d6ff;
  overflow-x: auto;
}

.lang-tab-bar {
  display: flex;
  gap: 0.35rem;
  background: rgba(0, 0, 0, 0.4);
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline-border);
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.lang-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: none;
  color: var(--label-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-xs);
  font-size: 0.8rem;
  font-family: var(--font-sf);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-tab-btn:hover {
  color: var(--label-primary);
  background: rgba(255, 255, 255, 0.06);
}

.lang-tab-btn.active {
  background: var(--system-blue);
  color: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.lang-code-pane {
  display: none;
}

.lang-code-pane.active {
  display: block;
}

.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s var(--spring-easing);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.spotlight-modal {
  width: 640px;
  max-width: 90vw;
  background: var(--material-thick);
  border: 1px solid var(--hairline-border-bright);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96);
  transition: transform 0.28s var(--spring-easing);
}
.modal-overlay.open .spotlight-modal {
  transform: scale(1);
}

.spotlight-input-row {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--hairline-border);
  gap: 0.75rem;
}
.spotlight-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--label-primary);
  font-size: 1.15rem;
  font-family: var(--font-sf);
  outline: none;
}
.spotlight-results {
  max-height: 400px;
  overflow-y: auto;
  padding: 0.5rem;
}

.spotlight-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}
.spotlight-item:hover, .spotlight-item.highlighted {
  background: var(--system-blue);
  color: #fff;
}
.spotlight-item:hover .spotlight-tag, .spotlight-item.highlighted .spotlight-tag {
  color: rgba(255, 255, 255, 0.8);
}
.spotlight-title {
  font-size: 0.95rem;
  font-weight: 500;
}
.spotlight-tag {
  font-size: 0.72rem;
  color: var(--label-tertiary);
  text-transform: uppercase;
}

.empty-canvas {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--label-tertiary);
  gap: 1rem;
}
.empty-icon {
  font-size: 3rem;
  opacity: 0.5;
}

@media (max-width: 1024px) {
  .apple-sidebar {
    display: none;
  }
  .apple-master-pane {
    width: 320px;
    min-width: 320px;
  }
  .canvas-body {
    padding: 2rem 2rem 4rem;
  }
}

@media (max-width: 768px) {
  .split-view-container {
    flex-direction: column;
  }
  .apple-master-pane {
    width: 100%;
    min-width: 100%;
    height: 45vh;
  }
  .apple-detail-pane {
    height: 55vh;
  }
  .toolbar-search {
    width: 180px;
  }
  .canvas-body {
    padding: 1.5rem;
  }
  .canvas-title {
    font-size: 1.8rem;
  }
}

.tabler-icon {
  display: inline-block;
  vertical-align: -0.18em;
  flex-shrink: 0;
  stroke: currentColor;
  stroke-width: 2;
}
.sidebar-icon .tabler-icon {
  width: 17px;
  height: 17px;
  vertical-align: middle;
}
.apple-btn .tabler-icon {
  width: 15px;
  height: 15px;
  margin-right: 0.35rem;
}
.hig-card-title .tabler-icon {
  width: 20px;
  height: 20px;
  margin-right: 0.5rem;
  color: var(--system-cyan);
}
.section-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  background: var(--system-tertiary-bg);
  border: 1px solid var(--hairline-border);
  color: var(--system-blue);
  margin-right: 0.5rem;
  vertical-align: middle;
}
.section-icon-wrap .tabler-icon {
  width: 16px;
  height: 16px;
  vertical-align: middle;
}

.doc-passport-card {
  background: var(--system-secondary-bg);
  border: 1px solid var(--hairline-border);
  border-top: 3px solid var(--system-blue);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-card);
}

.doc-passport-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--hairline-border);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.doc-spec-id {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--system-cyan);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.doc-status-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  background: rgba(48, 209, 88, 0.15);
  color: var(--system-green);
  border: 1px solid rgba(48, 209, 88, 0.3);
}

.doc-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  font-size: 0.82rem;
  line-height: 1.5;
}

.doc-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.doc-meta-label {
  color: var(--label-tertiary);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.doc-meta-value {
  color: var(--label-primary);
  font-weight: 500;
}

.doc-meta-value.mono {
  font-family: var(--font-mono);
  color: var(--system-yellow);
}

.doc-section-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--label-primary);
  letter-spacing: 0.02em;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--hairline-border-subtle);
  padding-bottom: 0.4rem;
}

.doc-section-num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 0.15rem 0.5rem;
  background: var(--system-tertiary-bg);
  border: 1px solid var(--hairline-border);
  border-radius: var(--radius-xs);
  color: var(--system-cyan);
  font-weight: 700;
}

.doc-cli-banner {
  background: #0d0d0f;
  border: 1px solid var(--hairline-border);
  border-left: 3px solid var(--system-yellow);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #ffd60a;
  margin-top: 0.75rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
}

.doc-cli-banner span.flag {
  color: #30d158;
}

.doc-table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--hairline-border);
  border-radius: var(--radius-sm);
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  text-align: left;
}

.doc-table th {
  background: var(--system-tertiary-bg);
  color: var(--label-secondary);
  font-weight: 600;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--hairline-border);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.doc-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--hairline-border-subtle);
  color: var(--label-primary);
}

.doc-table tr:last-child td {
  border-bottom: none;
}

.doc-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.doc-badge-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(10, 132, 255, 0.15);
  color: var(--system-blue);
  border: 1px solid rgba(10, 132, 255, 0.3);
}

.doc-badge-tag.critical {
  background: rgba(255, 69, 58, 0.15);
  color: var(--system-red);
  border-color: rgba(255, 69, 58, 0.3);
}

.doc-badge-tag.warning {
  background: rgba(255, 159, 10, 0.15);
  color: var(--system-orange);
  border-color: rgba(255, 159, 10, 0.3);
}

.vsc-editor-window {
  background: #1e1e1e;
  border: 1px solid #333333;
  border-radius: 6px;
  margin: 1.25rem 0;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.05);
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, Menlo, Monaco, 'Courier New', monospace;
}

.vsc-tab-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #252526;
  height: 35px;
  border-bottom: 1px solid #1e1e1e;
  padding: 0;
  user-select: none;
}

.vsc-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 35px;
  background: #1e1e1e;
  padding: 0 0.95rem;
  border-top: 2px solid #0078d4;
  border-right: 1px solid #252526;
  font-size: 0.78rem;
  font-weight: 500;
  color: #ffffff;
}

.vsc-tab-icon {
  display: inline-flex;
  align-items: center;
}

.vsc-tab-name {
  color: #cccccc;
  letter-spacing: 0.02em;
}

.vsc-tab-close {
  color: #858585;
  font-size: 13px;
  margin-left: 0.35rem;
  transition: color 0.15s ease;
}

.vsc-tab-close:hover {
  color: #ffffff;
}

.vsc-tab-actions {
  display: flex;
  align-items: center;
  padding-right: 0.65rem;
  gap: 0.4rem;
}

.vsc-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #cccccc;
  padding: 0.22rem 0.55rem;
  border-radius: 3px;
  font-size: 0.72rem;
  font-family: var(--font-sf);
  cursor: pointer;
  transition: all 0.15s ease;
}

.vsc-action-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
}

.vsc-breadcrumb-bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: #1e1e1e;
  padding: 0.35rem 0.95rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.73rem;
  color: #858585;
  overflow-x: auto;
}

.vsc-crumb {
  color: #858585;
}

.vsc-crumb-sep {
  color: #555555;
  font-size: 0.82rem;
}

.vsc-crumb-active {
  color: #d4d4d4;
  font-weight: 500;
}

.vsc-cli-tag {
  margin-left: auto;
  background: #181818;
  padding: 0.18rem 0.55rem;
  border-radius: 3px;
  font-size: 0.72rem;
  color: #4ec9b0;
  border: 1px solid rgba(78, 201, 176, 0.25);
  white-space: nowrap;
}

.vsc-cli-tag code {
  color: #4ec9b0;
  font-family: inherit;
}

.vsc-editor-body {
  background: #1e1e1e;
  padding: 0.65rem 0;
  overflow-x: auto;
}

.vsc-editor-code {
  display: table;
  width: 100%;
}

.vsc-line {
  display: flex;
  line-height: 1.55;
  font-size: 0.81rem;
  min-height: 1.25rem;
  transition: background 0.08s ease;
}

.vsc-line:hover {
  background: #282828;
}

.vsc-line-num {
  min-width: 48px;
  width: 48px;
  text-align: right;
  padding-right: 18px;
  user-select: none;
  color: #6e7681;
  font-size: 0.76rem;
  flex-shrink: 0;
}

.vsc-line-code {
  color: #d4d4d4;
  white-space: pre;
  flex: 1;
  padding-right: 1.25rem;
  tab-size: 4;
}

.vsc-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #007acc;
  color: #ffffff;
  padding: 0.18rem 0.85rem;
  font-size: 0.68rem;
  font-weight: 500;
  user-select: none;
  font-family: var(--font-sf);
}

.vsc-status-left,
.vsc-status-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.vsc-status-item {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.vsc-keyword {
  color: #c586c0 !important;
  font-weight: 500;
}

.vsc-type {
  color: #569cd6 !important;
}

.vsc-class {
  color: #4ec9b0 !important;
}

.vsc-function {
  color: #dcdcaa !important;
}

.vsc-string {
  color: #ce9178 !important;
}

.vsc-escape {
  color: #d7ba7d !important;
  font-weight: 600;
}

.vsc-number {
  color: #b5cea8 !important;
}

.vsc-comment {
  color: #6a9955 !important;
  font-style: italic;
}

.vsc-variable {
  color: #9cdcfe !important;
}

.vsc-key {
  color: #9cdcfe !important;
}

.vsc-preproc {
  color: #c586c0 !important;
}

.vsc-flag {
  color: #d4d4d4 !important;
}

.vsc-b1 {
  color: #ffd700 !important;
}

.vsc-b2 {
  color: #da70d6 !important;
}

.vsc-b3 {
  color: #179fff !important;
}