:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Menlo, Monaco, Consolas, "Courier New", monospace;
  
  /* Light Theme - Clean, High Contrast, Black Text */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-sidebar: #f8fafc;
  --bg-code: #1e2430;
  --bg-inline-code: #f1f5f9;
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  
  /* Text Colors - Pure Clean Black, Regular Weight */
  --text-primary: #000000;
  --text-secondary: #111827;
  --text-muted: #374151;
  --text-sidebar-title: #000000;
  --text-sidebar-link: #111827;
  --text-link: #0369a1;
  --text-link-hover: #0284c7;
  --text-code: #f8fafc;

  --accent-color: #0284c7;
  --accent-light: #e0f2fe;
  
  --sidebar-width: 290px;
  --header-height: 60px;

  /* Syntax Highlighting Colors (No Purple) - Comments are Clean Green */
  --syn-keyword: #e06c75;     /* Coral Red */
  --syn-type: #e5c07b;        /* Soft Amber / Yellow */
  --syn-string: #98c379;      /* Forest Green */
  --syn-number: #d19a66;      /* Orange */
  --syn-comment: #10b981;     /* Emerald / Forest Green */
  --syn-function: #61afef;    /* Sky Blue */
  --syn-operator: #56b6c2;    /* Teal / Cyan */
  --syn-boolean: #d19a66;     /* Orange */
  --syn-punctuation: #abb2bf; /* Off-white */
}

[data-theme="dark"] {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-sidebar: #090d13;
  --bg-code: #030712;
  --bg-inline-code: #1f2937;
  --border-color: #30363d;
  --border-subtle: #21262d;
  
  --text-primary: #ffffff;
  --text-secondary: #f3f4f6;
  --text-muted: #9ca3af;
  --text-sidebar-title: #ffffff;
  --text-sidebar-link: #f3f4f6;
  --text-link: #38bdf8;
  --text-link-hover: #7dd3fc;
  --text-code: #f8fafc;

  --accent-color: #38bdf8;
  --accent-light: #082f49;

  --syn-keyword: #f87171;     /* Coral Red */
  --syn-type: #fbbf24;        /* Warm Gold */
  --syn-string: #4ade80;      /* Emerald Green */
  --syn-number: #fb923c;      /* Orange */
  --syn-comment: #34d399;     /* Vibrant Mint/Green */
  --syn-function: #60a5fa;    /* Bright Blue */
  --syn-operator: #2dd4bf;    /* Teal */
  --syn-boolean: #fb923c;     /* Orange */
  --syn-punctuation: #94a3b8; /* Muted */
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.top-header {
  height: var(--header-height);
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

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

/* Sidebar Toggle Button in Header */
.sidebar-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sidebar-toggle-btn:hover {
  background-color: var(--accent-light);
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.sidebar-toggle-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.version-badge {
  font-size: 0.75rem;
  background-color: var(--accent-light);
  color: var(--accent-color);
  padding: 2px 8px;
  border-radius: 9999px;
  font-weight: 600;
}

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

/* Interactive GitHub Button */
.github-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.github-link:hover {
  text-decoration: none;
  border-color: var(--text-primary);
  background-color: var(--bg-sidebar);
}

.github-icon {
  width: 19px;
  height: 19px;
  fill: currentColor;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.github-link:hover .github-icon {
  transform: rotate(-15deg) scale(1.2) translateY(-2px);
}

/* Segmented Theme Switcher */
.theme-switch-wrapper {
  display: flex;
  align-items: center;
}

.theme-switch-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-switch-btn:hover {
  background-color: var(--bg-sidebar);
  border-color: var(--text-muted);
}

.theme-switch-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

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

/* Sidebar */
.docs-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  padding: 24px 16px;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  flex-shrink: 0;
  transition: margin-left 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hidden sidebar state on desktop */
body.sidebar-collapsed .docs-sidebar {
  margin-left: calc(-1 * var(--sidebar-width));
}

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

/* Sidebar Main Section Title - BOLD */
.sidebar-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-sidebar-title);
  font-weight: 800; /* BOLD SECTION HEADER */
  margin-bottom: 8px;
  padding-left: 12px;
}

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

.sidebar-links li {
  margin-bottom: 2px;
}

/* Sidebar Links - REGULAR WEIGHT, BLACK TEXT */
.sidebar-links a {
  display: block;
  padding: 7px 12px;
  color: var(--text-sidebar-link);
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 400; /* REGULAR NOT BOLD */
  transition: all 0.15s ease;
}

.sidebar-links a:hover {
  background-color: var(--bg-secondary);
  color: var(--text-link);
}

.sidebar-links a.active {
  background-color: var(--accent-light);
  color: var(--accent-color);
  font-weight: 600; /* Active item subtly emphasized */
}

/* Main Content Area */
.docs-content {
  flex: 1;
  max-width: 960px;
  padding: 40px 52px 80px;
  margin: 0 auto;
  width: 100%;
}

.page-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.page-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
  font-weight: 400;
}

hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 32px 0;
}

h2 {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 36px 0 16px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 26px 0 12px;
}

/* Body Prose - Clear Black, Regular Weight (400) */
p, ul, ol {
  margin-bottom: 18px;
  color: var(--text-primary);
  font-size: 0.98rem;
  font-weight: 400;
}

ul, ol {
  padding-left: 24px;
}

li {
  margin-bottom: 8px;
}

a {
  color: var(--text-link);
  text-decoration: none;
  font-weight: 500;
}

a:hover {
  text-decoration: underline;
}

/* Code Blocks & Pure Syntax Highlighting */
pre {
  background-color: var(--bg-code);
  color: var(--text-code);
  padding: 18px 22px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 18px 0 26px;
  border: 1px solid var(--border-color);
  position: relative;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

:not(pre) > code {
  background-color: var(--bg-inline-code);
  color: var(--text-primary);
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 5px;
  border: 1px solid var(--border-color);
}

/* Syntax Token Classes */
.tok-kw { color: var(--syn-keyword); font-weight: 700; }
.tok-type { color: var(--syn-type); font-weight: 600; }
.tok-str { color: var(--syn-string); }
.tok-num { color: var(--syn-number); }
.tok-com { color: var(--syn-comment); font-style: italic; font-weight: 500; } /* GREEN COMMENTS */
.tok-fn { color: var(--syn-function); font-weight: 600; }
.tok-op { color: var(--syn-operator); font-weight: 600; }
.tok-bool { color: var(--syn-boolean); font-weight: 600; }

/* Callout Box */
.callout {
  padding: 18px 22px;
  border-left: 5px solid var(--accent-color);
  background-color: var(--bg-secondary);
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.callout-title {
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-size: 1rem;
}

.callout p {
  margin-bottom: 0;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
}

th, td {
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  text-align: left;
  color: var(--text-primary);
}

th {
  background-color: var(--bg-secondary);
  font-weight: 700;
  color: var(--text-primary);
}

td {
  font-weight: 400;
}

/* Navigation Footer */
.docs-pagination {
  display: flex;
  justify-content: space-between;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border-color);
  gap: 16px;
}

.pagination-btn {
  display: flex;
  flex-direction: column;
  padding: 14px 20px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-decoration: none;
  background-color: var(--bg-primary);
  transition: all 0.15s ease;
  min-width: 180px;
}

.pagination-btn:hover {
  background-color: var(--bg-secondary);
  border-color: var(--accent-color);
  text-decoration: none;
}

.pagination-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 4px;
}

.pagination-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Mobile Responsiveness */
@media (max-width: 860px) {
  .docs-sidebar {
    position: fixed;
    left: -100%;
    margin-left: 0 !important;
    top: var(--header-height);
    z-index: 99;
    box-shadow: 4px 0 16px rgba(0,0,0,0.15);
  }

  body.sidebar-open-mobile .docs-sidebar {
    left: 0;
  }

  .docs-content {
    padding: 28px 20px 60px;
  }
}