/* HarbourBuilder Documentation - DeepWiki-inspired theme */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-card: #1c2128;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --border: #30363d;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --accent-subtle: #388bfd26;
  --green: #3fb950;
  --orange: #d29922;
  --red: #f85149;
  --purple: #bc8cff;
  --sidebar-width: 280px;
  --header-height: 56px;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #eaeef2;
  --bg-card: #f6f8fa;
  --text-primary: #1f2328;
  --text-secondary: #656d76;
  --text-muted: #8b949e;
  --border: #d0d7de;
  --accent: #0969da;
  --accent-hover: #0550ae;
  --accent-subtle: #0969da1a;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 15px;
}

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 100;
}

.header .logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.header .logo span { color: var(--accent); }

.header nav { margin-left: auto; display: flex; gap: 8px; align-items: center; }

.header .lang-btn {
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}
.header .lang-btn:hover, .header .lang-btn.active {
  background: var(--accent-subtle);
  color: var(--accent);
  border-color: var(--accent);
}

.header .theme-toggle {
  background: none; border: none;
  color: var(--text-secondary);
  cursor: pointer; font-size: 20px;
  padding: 4px 8px;
}

.header .search-box {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  width: 240px;
  margin-right: 16px;
}
.header .search-box::placeholder { color: var(--text-muted); }

/* Sidebar */
.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px 0;
  z-index: 50;
}

.sidebar .nav-section { padding: 0 16px; margin-bottom: 8px; }
.sidebar .nav-section h3 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding: 8px 0 4px;
}

.sidebar a {
  display: block;
  padding: 6px 16px 6px 24px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  border-radius: 6px;
  margin: 1px 8px;
  transition: all 0.1s;
}
.sidebar a:hover { background: var(--accent-subtle); color: var(--accent); }
.sidebar a.active {
  background: var(--accent-subtle);
  color: var(--accent);
  font-weight: 600;
  border-left: 3px solid var(--accent);
  padding-left: 21px;
}

/* Content */
.content {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  padding: 40px 48px;
  max-width: 900px;
}

/* Table of Contents Rail (right sidebar) */
.toc-rail {
  position: fixed;
  top: var(--header-height);
  right: 0;
  width: 240px;
  height: calc(100vh - var(--header-height));
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px 0;
  z-index: 50;
}

.toc-rail h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 0 16px 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.toc-rail a {
  display: block;
  padding: 4px 16px 4px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.5;
  border-left: 2px solid transparent;
  transition: all 0.1s;
}
.toc-rail a:hover {
  background: var(--accent-subtle);
  color: var(--accent);
}
.toc-rail a.active {
  background: var(--accent-subtle);
  color: var(--accent);
  font-weight: 600;
  border-left-color: var(--accent);
}
.toc-rail a.toc-h2 {
  padding-left: 20px;
}
.toc-rail a.toc-h3 {
  padding-left: 32px;
  font-size: 12px;
}

.content h1 {
  font-size: 32px; font-weight: 700;
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.content h2 {
  font-size: 24px; font-weight: 600;
  margin-top: 40px; margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.content h3 { font-size: 18px; font-weight: 600; margin-top: 28px; margin-bottom: 12px; }

.content p { margin-bottom: 16px; color: var(--text-primary); }

.content a { color: var(--accent); text-decoration: none; }
.content a:hover { text-decoration: underline; }

/* Breadcrumbs */
.breadcrumbs {
  display: flex; gap: 8px; align-items: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 24px;
}
.breadcrumbs a { color: var(--text-secondary); }
.breadcrumbs span { color: var(--text-muted); }

/* Code blocks */
pre {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  margin: 16px 0;
  position: relative;
}

pre .copy-btn {
  position: absolute; top: 8px; right: 8px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-secondary); border-radius: 4px;
  padding: 4px 8px; cursor: pointer; font-size: 11px;
}
pre .copy-btn:hover { color: var(--accent); border-color: var(--accent); }

code {
  font-family: var(--font-mono);
  font-size: 13px;
}
:not(pre) > code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
}

/* Syntax highlighting */
.kw { color: #ff7b72; font-weight: bold; }   /* keywords */
.cm { color: #8b949e; font-style: italic; }   /* comments */
.st { color: #a5d6ff; }                       /* strings */
.fn { color: #d2a8ff; }                       /* functions */
.cmd { color: #7ee787; }                      /* xBase commands */
.nb { color: #ffa657; }                       /* numbers */
.pp { color: #f0883e; }                       /* preprocessor */

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
th {
  background: var(--bg-tertiary);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  border: 1px solid var(--border);
}
td {
  padding: 8px 14px;
  border: 1px solid var(--border);
}
tr:nth-child(even) td { background: var(--bg-card); }

/* Info boxes */
.info-box {
  border-radius: 8px;
  padding: 16px 20px;
  margin: 16px 0;
  border-left: 4px solid;
}
.info-box.tip { border-color: var(--green); background: #3fb95015; }
.info-box.warning { border-color: var(--orange); background: #d2992215; }
.info-box.danger { border-color: var(--red); background: #f8514915; }
.info-box.info { border-color: var(--accent); background: var(--accent-subtle); }
.info-box strong { display: block; margin-bottom: 4px; }

/* Mermaid diagrams */
.mermaid {
  background: var(--bg-tertiary);
  border-radius: 8px;
  padding: 20px;
  margin: 16px 0;
  text-align: center;
}

/* Collapsible sections */
details {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 12px 0;
  overflow: hidden;
}
details summary {
  padding: 12px 16px;
  background: var(--bg-tertiary);
  cursor: pointer;
  font-weight: 600;
  user-select: none;
}
details summary:hover { background: var(--accent-subtle); }
details > div { padding: 16px; }

/* Badge */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.badge.win { background: #0078d4; color: white; }
.badge.mac { background: #555; color: white; }
.badge.linux { background: #e95420; color: white; }
.badge.new { background: var(--green); color: #0d1117; }
.badge.planned { background: var(--orange); color: #0d1117; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .toc-rail { display: none; }
  .content { margin-left: 0; margin-right: 0; padding: 24px; }
}