/* sukr docs — clean documentation theme */

:root {
  --bg: #0d1117;
  --bg-sidebar: #161b22;
  --fg: #c9d1d9;
  --fg-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --border: #30363d;
  --code-bg: #1f2428;
  --success: #3fb950;
}

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

html {
  font-size: 16px;
  line-height: 1.6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 2rem 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar header {
  margin-bottom: 2rem;
}

.sidebar .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar .logo-img {
  width: 32px;
  height: 32px;
}

.sidebar .tagline {
  display: block;
  font-size: 0.875rem;
  color: var(--fg-muted);
  margin-top: 0.25rem;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar nav a {
  color: var(--fg);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}

.sidebar nav a:hover {
  background: var(--border);
}

.sidebar nav a.active {
  background: var(--accent);
  color: var(--bg);
}

.sidebar .nav-children {
  margin-left: 1rem;
  padding-left: 0.5rem;
  border-left: 1px solid var(--border);
  display: none;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar .nav-children.expanded {
  display: flex;
}

.sidebar .nav-children a {
  font-size: 0.9rem;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--fg-muted);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-footer a {
  color: var(--fg-muted);
}

.sidebar-footer a:hover {
  color: var(--accent);
}

/* Main content */
main {
  padding: 3rem 4rem;
  max-width: 900px;
}

h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  color: var(--fg);
}

h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 1.25rem;
  margin: 1.5rem 0 0.75rem;
}

p {
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.125rem;
  color: var(--fg-muted);
  margin-bottom: 2rem;
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-hover);
}

/* KaTeX display math - local overrides */
.katex-display {
  margin: 1rem 0;
  overflow-x: auto;
}

/* Fallback: constrain radical SVG when CDN blocked */
.hide-tail svg {
  max-width: 100% !important;
}

/* Code */
code {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
  font-size: 0.875em;
  background: var(--code-bg);
  padding: 0.2em 0.4em;
  border-radius: 4px;
}

pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--border);
}

pre code {
  background: none;
  padding: 0;
}

/* Syntax highlighting (tree-sitter classes)
 * Dracula-inspired color scheme with full coverage
 * All colors chosen to work well on dark backgrounds
 */

/* Keywords: control flow, declarations - Pink */
.hl-keyword {
  color: #ff79c6;
}

/* Strings and literals - Yellow */
.hl-string,
.hl-string-special {
  color: #f1fa8c;
}

.hl-string-escape {
  color: #ffb86c;
}

.hl-string-special-path,
.hl-string-special-uri {
  color: #8be9fd;
  text-decoration: underline;
}

/* Functions and methods - Green */
.hl-function,
.hl-function-builtin {
  color: #50fa7b;
}

/* Comments - Muted blue-gray */
.hl-comment {
  color: #6272a4;
  font-style: italic;
}

/* Numbers and constants - Purple */
.hl-number,
.hl-constant,
.hl-constant-builtin {
  color: #bd93f9;
}

/* Operators - Pink (same as keywords for visual consistency) */
.hl-operator {
  color: #ff79c6;
}

/* Punctuation - Subtle muted */
.hl-punctuation,
.hl-punctuation-bracket,
.hl-punctuation-delimiter {
  color: var(--fg-muted);
}

.hl-punctuation-special {
  color: #ff79c6;
}

/* Types - Cyan */
.hl-type,
.hl-type-builtin {
  color: #8be9fd;
}

/* Variables - Light foreground */
.hl-variable {
  color: var(--fg);
}

.hl-variable-builtin {
  color: #ffb86c;
}

.hl-variable-parameter {
  color: #ffb86c;
  font-style: italic;
}

/* Properties and attributes - Cyan */
.hl-property,
.hl-attribute {
  color: #8be9fd;
}

/* Constructors - Green */
.hl-constructor {
  color: #50fa7b;
}

/* HTML/XML tags - Pink */
.hl-tag {
  color: #ff79c6;
}

/* Embedded/escape content - Orange */
.hl-embedded,
.hl-escape {
  color: #ffb86c;
}

/* Markdown-specific text highlighting */
.hl-text-title {
  color: #ff79c6;
  font-weight: bold;
}

.hl-text-literal {
  color: #8be9fd;
}

.hl-text-uri {
  color: #8be9fd;
  text-decoration: underline;
}

.hl-text-reference {
  color: #bd93f9;
}

/* Section navigation */
.section-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.section-link {
  display: block;
  padding: 1rem;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  transition: border-color 0.15s;
}

.section-link:hover {
  border-color: var(--accent);
}

.section-link strong {
  display: block;
  color: var(--fg);
  margin-bottom: 0.25rem;
}

.section-link span {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

/* Lists */
ul,
ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th,
td {
  padding: 0.75rem;
  text-align: left;
  border: 1px solid var(--border);
}

th {
  background: var(--bg-sidebar);
}

/* Navigation toggle (hidden by default) */
.nav-toggle {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  padding: 0;
  user-select: none;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--fg);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

/* Responsive */
@media (max-width: 768px) {
  html {
    overflow-x: hidden;
  }

  body {
    grid-template-columns: 1fr;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
  }

  .sidebar header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0;
  }

  .sidebar .tagline {
    display: none;
  }

  /* Position hamburger on right side of header */
  .sidebar header {
    position: relative;
  }

  .hamburger {
    display: flex;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }

  .sidebar nav {
    flex-direction: column;
    padding-top: 0;
    margin-top: 0;
    border-top: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease, padding-top 0.3s ease;
  }

  /* Show nav when checkbox is checked - checkbox is inside header now */
  .sidebar:has(.nav-toggle:checked) nav {
    max-height: 500px;
    opacity: 1;
    margin-top: 1rem;
    padding-top: 1rem;
  }

  /* Hamburger → X morph animation */
  .nav-toggle:checked~.hamburger span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle:checked~.hamburger span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle:checked~.hamburger span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .sidebar-footer {
    display: none;
  }

  main {
    padding: 1.5rem 1rem;
    max-width: 100%;
  }

  pre {
    max-width: calc(100vw - 2rem);
  }

  /* Make tables scrollable on mobile */
  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    max-width: calc(100vw - 2rem);
  }

  /* Allow inline code to wrap */
  code {
    word-break: break-all;
  }

  td code {
    white-space: normal;
  }
}