/*
 * audiorouter docs — custom theme overrides
 * Builds on mdBook's built-in "ayu" dark theme.
 */

:root {
  /* Slightly warmer, deeper background for a modern terminal feel */
  --ar-bg: #0d1117;
  --ar-bg-alt: #161b22;
  --ar-border: #30363d;
  --ar-accent: #58a6ff;
  --ar-text: #c9d1d9;
  --ar-text-dim: #8b949e;
}

/* Use our palette in the ayu theme */
.ayu {
  --bg: var(--ar-bg);
  --bg-alt: var(--ar-bg-alt);
  --fg: var(--ar-text);
  --sidebar-bg: var(--ar-bg-alt);
  --sidebar-fg: var(--ar-text-dim);
  --sidebar-non-existant: #484f58;
  --theme-hover: #1f2937;
  --border: var(--ar-border);
  --table-border: var(--ar-border);
  --links: var(--ar-accent);
}

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP",
    Helvetica, Arial, sans-serif;
  letter-spacing: 0.01em;
}

/* Headings — tighter, cleaner */
h1, h2, h3, h4 {
  font-weight: 650;
  letter-spacing: -0.01em;
}

h1 { font-size: 1.9rem; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.2rem; }

/* Code blocks — terminal aesthetic */
code {
  font-family: "JetBrains Mono", "Fira Code", "SF Mono", "Cascadia Code",
    Consolas, monospace;
  font-size: 0.875em;
  background: var(--ar-bg-alt);
  border: 1px solid var(--ar-border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

pre {
  background: var(--ar-bg) !important;
  border: 1px solid var(--ar-border);
  border-radius: 8px;
}

pre code {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Tables — GitHub-style */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.2em 0;
}

th, td {
  border: 1px solid var(--ar-border);
  padding: 0.5em 0.8em;
  text-align: left;
}

th {
  background: var(--ar-bg-alt);
  font-weight: 600;
}

tr:nth-child(even) {
  background: rgba(22, 27, 34, 0.5);
}

/* Links */
a {
  color: var(--ar-accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  text-decoration: underline;
}

/* Sidebar polish */
.sidebar {
  border-right: 1px solid var(--ar-border);
}

.chapter {
  margin: 0.2rem 0;
}

/* Content max-width for readability */
.content {
  max-width: 52rem;
}

/* Blockquotes — subtle accent */
blockquote {
  border-left: 3px solid var(--ar-accent);
  background: var(--ar-bg-alt);
  border-radius: 0 6px 6px 0;
  padding: 0.5em 1em;
  margin: 1em 0;
  color: var(--ar-text-dim);
}

/* Theme picker — remove light/rust clutter for dark-only preference */
/* (kept available but ayu stays default) */