:root {
  /* Default (light) theme tokens */
  color-scheme: light;
  --bg: #ffffff;
  --text: #111111;
  --muted-text: #555555;
  --border: rgba(0,0,0,.15);
  --card-bg: #ffffff;
  --link: #0b5ed7;
  --link-visited: #6f42c1;
}

html.theme-dark {
  color-scheme: dark;
  --bg: #0f1116;
  --text: #e6e6e6;
  --muted-text: #b7b7b7;
  --border: rgba(255,255,255,.2);
  --card-bg: #161a23;
  --link: #69a6ff;
  --link-visited: #caa7ff;
}

body { background: var(--bg); color: var(--text); }
a { color: var(--link); }
a:visited { color: var(--link-visited); }
.site-nav {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.site-nav a {
  text-decoration: none;
}
.site-nav .spacer { flex: 1; }
.theme-toggle {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.theme-toggle:hover { filter: brightness(0.98); }
.theme-toggle:active { transform: translateY(1px); }
.theme-toggle svg { width: 18px; height: 18px; stroke: var(--text); fill: none; stroke-width: 1.8; }
.theme-toggle .fill { fill: var(--text); stroke: none; }
.site-footer {
  margin-top: 24px;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  font-size: .9rem;
  opacity: .9;
}

/* Theme selector */
/* Remove old select styles (kept for reference, now unused) */

/* Prism toolbar theming */
.code-toolbar > .toolbar a,
.code-toolbar > .toolbar button,
.code-toolbar > .toolbar span {
  color: var(--text) !important;
}
.code-toolbar > .toolbar a,
.code-toolbar > .toolbar button {
  background: var(--card-bg) !important;
  border: 1px solid var(--border) !important;
  box-shadow: none !important;
}