/* Birkly Docs — docs website styles */

:root {
  --bg: #0f1419;
  --bg-elevated: #1a2129;
  --bg-sidebar: #161d26;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-soft: rgba(88, 166, 255, 0.15);
  --border: #30363d;
  --radius: 8px;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", monospace;
  --sidebar-width: 280px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: auto 1fr;
  grid-template-areas:
    "header header"
    "sidebar main";
  min-height: 100vh;
}

@media (max-width: 768px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "main";
  }
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: 4px 0 20px rgba(0,0,0,0.3);
  }
  .sidebar.is-open {
    transform: translateX(0);
  }
  .sidebar-toggle {
    display: block;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 101;
  }
  .sidebar-close {
    display: block;
  }
  .sidebar {
    padding-top: 2.5rem;
  }
}

/* Header */
.header {
  grid-area: header;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

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

.tagline {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Sidebar */
.sidebar {
  grid-area: sidebar;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 1rem 0;
}

.sidebar-toggle {
  display: none;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1.25rem;
}

.sidebar-close {
  display: none;
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

.nav {
  padding: 0 0.5rem;
}

.nav-section {
  margin-bottom: 1rem;
}

.nav-section-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 0.25rem 0.75rem;
  margin: 0 0 0.25rem;
}

.nav-link {
  display: block;
  padding: 0.4rem 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.nav-link.active {
  color: var(--accent);
  background: var(--accent-soft);
}

/* Main */
.main {
  grid-area: main;
  overflow-y: auto;
  padding: 1.5rem 2rem 3rem;
}

.content {
  max-width: 720px;
  margin: 0 auto;
}

/* Welcome state */
.welcome h1 {
  font-size: 1.75rem;
  margin-top: 0;
}

.welcome h2 {
  font-size: 1.15rem;
  margin-top: 1.5rem;
  color: var(--text-muted);
}

.welcome pre {
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.85rem;
}

.welcome code {
  font-family: var(--font-mono);
}

/* Rendered doc */
.doc-body {
  font-size: 0.9375rem;
}

.doc-body h1 {
  font-size: 1.75rem;
  margin: 0 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.doc-body h2 {
  font-size: 1.2rem;
  margin: 1.75rem 0 0.75rem;
  color: var(--text);
}

.doc-body h2:first-of-type {
  margin-top: 1rem;
}

.doc-body h2 {
  scroll-margin-top: 1rem;
}

/* Summary + Beginner / Advanced toggles */
.doc-summary {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.doc-toggle {
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}

.doc-toggle summary {
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
  list-style: none;
  user-select: none;
}

.doc-toggle summary::-webkit-details-marker {
  display: none;
}

.doc-toggle summary::before {
  content: "▶ ";
  font-size: 0.75em;
  margin-right: 0.35rem;
}

.doc-toggle[open] summary::before {
  content: "▼ ";
}

.doc-toggle-inner {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--border);
}

.doc-toggle-inner h2,
.doc-toggle-inner h3,
.doc-toggle-inner h4 {
  margin-top: 1rem;
}

.doc-toggle-inner h2:first-child,
.doc-toggle-inner h3:first-child,
.doc-toggle-inner h4:first-child {
  margin-top: 0.75rem;
}

.doc-related {
  margin-top: 2rem;
  padding-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.doc-body h3 {
  font-size: 1.05rem;
  margin: 1.25rem 0 0.5rem;
  color: var(--text-muted);
}

.doc-body h4 {
  font-size: 1rem;
  margin: 1rem 0 0.4rem;
}

.doc-body p {
  margin: 0 0 0.75rem;
}

.doc-body ul, .doc-body ol {
  margin: 0 0 0.75rem;
  padding-left: 1.5rem;
}

.doc-body li {
  margin: 0.25rem 0;
}

.doc-body code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-sidebar);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--accent);
}

.doc-body pre {
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
  margin: 0.75rem 0;
  font-size: 0.85rem;
}

.doc-body pre code {
  background: none;
  padding: 0;
  color: var(--text);
}

.doc-body blockquote {
  margin: 0.75rem 0;
  padding: 0.5rem 0 0.5rem 1rem;
  border-left: 3px solid var(--accent);
  color: var(--text-muted);
}

.doc-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0;
  font-size: 0.9rem;
}

.doc-body th,
.doc-body td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.doc-body th {
  background: var(--bg-sidebar);
  font-weight: 600;
}

.doc-body a {
  color: var(--accent);
  text-decoration: none;
}

.doc-body a:hover {
  text-decoration: underline;
}

.doc-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

/* Shortcut / Detailed labels — style the first two h2s */
.doc-body .doc-content h2:nth-of-type(1) {
  color: var(--accent);
  font-weight: 600;
}

.doc-body .doc-content h2:nth-of-type(2) {
  color: var(--accent);
  font-weight: 600;
}

.hidden {
  display: none !important;
}

.loading {
  color: var(--text-muted);
}

.error {
  color: #f85149;
  padding: 1rem;
  background: rgba(248, 81, 73, 0.1);
  border-radius: var(--radius);
}