/* ==========================================================================
   aikord-cli Web Developer Documentation — Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:ital,wght@0,400;0,500;0,700;1,400&display=swap');

:root {
  /* Color Palette */
  --bg-main: #07090e;
  --bg-surface: #0d111a;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(26, 34, 52, 0.85);
  --bg-glass: rgba(13, 17, 26, 0.8);
  --bg-code: #0b0f17;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(0, 242, 254, 0.4);
  --border-glow: rgba(0, 242, 254, 0.2);

  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #7928ca;
  --accent-pink: #ff0080;
  --accent-green: #10b981;
  --accent-yellow: #f59e0b;
  --accent-red: #ef4444;

  --grad-cyan-blue: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --grad-purple-pink: linear-gradient(135deg, #7928ca 0%, #ff0080 100%);
  --grad-glow: radial-gradient(circle at 50% -20%, rgba(79, 172, 254, 0.15), transparent 70%);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Menlo, Consolas, monospace;

  --text-main: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-dim: #4b5563;

  /* Layout */
  --header-height: 64px;
  --sidebar-width: 290px;
  --toc-width: 220px;
  --content-max-width: 900px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(0, 242, 254, 0.15);
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(79, 172, 254, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 85% 60%, rgba(121, 40, 202, 0.08), transparent);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

/* ==========================================================================
   Header & Top Navigation
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

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

.menu-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 6px 10px;
  cursor: pointer;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.4));
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--grad-cyan-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-version {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.25);
  margin-left: 2px;
}

.header-center {
  flex: 1;
  max-width: 440px;
  margin: 0 24px;
}

.quick-search-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  color: var(--text-muted);
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.quick-search-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-focus);
  color: var(--text-main);
}

.search-placeholder {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-shortcut {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--accent-cyan);
}

.github-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.github-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* ==========================================================================
   Documentation Layout (Sidebar + Content + TOC)
   ========================================================================== */

.docs-container {
  display: flex;
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
  position: relative;
}

/* Left Sidebar */
.docs-sidebar {
  width: var(--sidebar-width);
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  overflow-y: auto;
  padding: 24px 16px 40px 20px;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-main);
  z-index: 90;
}

.sidebar-group {
  margin-bottom: 24px;
}

.sidebar-group-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sidebar-links {
  list-style: none;
}

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px;
  margin-bottom: 2px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 450;
  transition: var(--transition-fast);
  border-left: 2px solid transparent;
}

.sidebar-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.sidebar-link.active {
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
  border-left-color: var(--accent-cyan);
  font-weight: 600;
}

.sidebar-pill {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(79, 172, 254, 0.15);
  color: var(--accent-blue);
}

/* Main Documentation Content */
.docs-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  margin-right: var(--toc-width);
  padding: 40px 48px 100px 48px;
  max-width: calc(100% - var(--sidebar-width) - var(--toc-width));
}

.docs-content-wrapper {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* Right Table of Contents (TOC) */
.docs-toc {
  width: var(--toc-width);
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  right: 0;
  overflow-y: auto;
  padding: 32px 20px 40px 16px;
  border-left: 1px solid var(--border-subtle);
  background: var(--bg-main);
  font-size: 0.82rem;
}

.toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-link {
  color: var(--text-muted);
  text-decoration: none;
  line-height: 1.4;
  transition: var(--transition-fast);
  display: block;
}

.toc-link:hover, .toc-link.active {
  color: var(--accent-cyan);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-banner {
  padding: 32px 0 48px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 48px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.tag-pill.cyan {
  background: rgba(0, 242, 254, 0.1);
  border-color: rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
}

.tag-pill.purple {
  background: rgba(121, 40, 202, 0.12);
  border-color: rgba(121, 40, 202, 0.3);
  color: #c084fc;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 18px;
}

.text-gradient {
  background: var(--grad-cyan-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.hero-quick-install {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  max-width: 540px;
}

.hero-quick-install .cmd-prompt {
  color: var(--accent-cyan);
  margin-right: 10px;
  user-select: none;
}

.copy-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.copy-btn.copied {
  color: var(--accent-green);
}

/* ==========================================================================
   Documentation Typography & Content Elements
   ========================================================================== */

.doc-section {
  margin-bottom: 64px;
}

h2.section-heading {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 12px;
}

h3.sub-heading {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 32px 0 12px 0;
  color: var(--text-main);
}

h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 20px 0 8px 0;
  color: var(--text-main);
}

p {
  margin-bottom: 16px;
  color: #d1d5db;
}

ul, ol {
  margin: 0 0 16px 24px;
  color: #d1d5db;
}

li {
  margin-bottom: 6px;
}

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  color: #e5e7eb;
}

/* Callout Alerts */
.callout {
  border-left: 4px solid var(--accent-cyan);
  background: rgba(0, 242, 254, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 16px 20px;
  margin: 24px 0;
}

.callout.tip {
  border-left-color: var(--accent-green);
  background: rgba(16, 185, 129, 0.06);
}

.callout.warning {
  border-left-color: var(--accent-yellow);
  background: rgba(245, 158, 11, 0.07);
}

.callout.danger {
  border-left-color: var(--accent-red);
  background: rgba(239, 68, 68, 0.08);
}

.callout-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.callout.tip .callout-title { color: var(--accent-green); }
.callout.warning .callout-title { color: var(--accent-yellow); }
.callout.danger .callout-title { color: var(--accent-red); }
.callout .callout-title { color: var(--accent-cyan); }

/* Architecture Grid Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 242, 254, 0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0;
}

/* ==========================================================================
   Code Blocks & Tab Switcher
   ========================================================================== */

.code-window {
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin: 20px 0 28px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
}

.code-tabs {
  display: flex;
  gap: 6px;
}

.code-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.code-tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.code-tab-btn.active {
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
}

.code-body {
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
  color: #e5e7eb;
}

.code-body pre {
  margin: 0;
}

/* Syntax Highlighting Classes */
.token-comment { color: #6b7280; font-style: italic; }
.token-keyword { color: #f472b6; font-weight: 600; }
.token-string { color: #34d399; }
.token-number { color: #fbbf24; }
.token-function { color: #60a5fa; }
.token-operator { color: #c084fc; }

/* Responsive Tables */
.table-responsive {
  overflow-x: auto;
  margin: 20px 0 32px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

table.doc-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

table.doc-table th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

table.doc-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

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

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

/* ==========================================================================
   Interactive Component 1: Live Terminal Playground
   ========================================================================== */

.playground-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-xl);
  padding: 28px;
  margin: 32px 0 48px;
  box-shadow: var(--shadow-glow);
}

.playground-header {
  margin-bottom: 20px;
}

.playground-title {
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.playground-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.preset-chip {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 0.78rem;
  padding: 5px 12px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.preset-chip:hover, .preset-chip.active {
  background: rgba(0, 242, 254, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.playground-controls {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  margin-bottom: 24px;
}

.playground-input {
  background: #06080d;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-main);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: var(--transition-fast);
}

.playground-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.2);
}

.playground-select {
  background: #06080d;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 0.88rem;
  outline: none;
  cursor: pointer;
}

.playground-submit-btn {
  background: var(--grad-cyan-blue);
  color: #07090e;
  border: none;
  border-radius: var(--radius-md);
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.playground-submit-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* Simulated Rich Terminal Box */
.terminal-simulation {
  background: #0b0f19;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  font-family: var(--font-mono);
}

.terminal-titlebar {
  background: #141b2a;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.terminal-window-title {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.terminal-viewport {
  padding: 24px;
  min-height: 280px;
}

/* Simulated Rich Panel */
.rich-panel {
  border: 2px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin: 16px 0;
  background: rgba(0, 0, 0, 0.4);
  position: relative;
  transition: var(--transition-normal);
}

.rich-panel.destructive {
  border-color: var(--accent-red);
  background: rgba(239, 68, 68, 0.05);
}

.rich-panel-title {
  position: absolute;
  top: -12px;
  left: 20px;
  background: #0b0f19;
  padding: 0 10px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.rich-panel.destructive .rich-panel-title {
  color: var(--accent-red);
}

.rich-command-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: #f9fafb;
  margin-bottom: 10px;
  word-break: break-all;
}

.rich-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.badge-risk {
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.72rem;
}
.badge-risk.low { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge-risk.medium { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-risk.high { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.badge-risk.critical { background: #ef4444; color: #fff; }

.badge-source {
  color: var(--accent-blue);
  font-weight: 600;
}

.interactive-menu-strip {
  display: flex;
  gap: 8px;
  margin-top: 18px;
  padding-top: 12px;
}

.menu-choice-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.menu-choice-btn:hover {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--accent-cyan);
}

.menu-choice-btn.primary {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34d399;
}

/* Self-Healing ReAct Animation Box */
.healer-stepper {
  margin-top: 16px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  display: none;
}

.step-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.82rem;
}

/* ==========================================================================
   Interactive Component 2: Visual Configurator
   ========================================================================== */

.configurator-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px;
  margin: 28px 0 48px;
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.config-item {
  margin-bottom: 20px;
}

.config-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.config-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.config-value-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.config-slider {
  width: 100%;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.config-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.config-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid var(--border-subtle);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-round {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255, 255, 255, 0.15);
  transition: 0.3s;
  border-radius: 34px;
}

.slider-round:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

input:checked + .slider-round {
  background-color: var(--accent-cyan);
}

input:checked + .slider-round:before {
  transform: translateX(20px);
}

/* ==========================================================================
   Search Modal Overlay
   ========================================================================== */

.search-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
}

.search-modal {
  width: 100%;
  max-width: 600px;
  background: #0d111a;
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  animation: modalIn 0.18s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  gap: 12px;
}

.search-modal-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.05rem;
  outline: none;
}

.search-results-list {
  max-height: 380px;
  overflow-y: auto;
  padding: 10px;
}

.search-result-item {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  display: block;
}

.search-result-item:hover, .search-result-item.selected {
  background: rgba(0, 242, 254, 0.1);
}

.result-title {
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.result-category {
  font-size: 0.74rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.result-snippet {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 1200px) {
  .docs-toc {
    display: none;
  }
  .docs-main {
    margin-right: 0;
    max-width: calc(100% - var(--sidebar-width));
  }
}

@media (max-width: 900px) {
  .menu-toggle-btn {
    display: block;
  }
  .docs-sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }
  .docs-sidebar.open {
    transform: translateX(0);
    box-shadow: 20px 0 50px rgba(0, 0, 0, 0.7);
  }
  .docs-main {
    margin-left: 0;
    max-width: 100%;
    padding: 30px 20px 80px 20px;
  }
  .config-grid {
    grid-template-columns: 1fr;
  }
  .playground-controls {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .header-center {
    display: none;
  }
}