:root[data-guide-theme="light"] {
  color-scheme: light;
  --bg: #f8fafc; --card: #fff; --text: #152230; --muted: #435365;
  --line: #cbd5e1; --accent: #0078b4; --accent2: #075985;
}
:root[data-guide-theme="light"] a { color: #075985; }
:root[data-guide-theme="light"] a:hover { color: #003e60; }
:root[data-guide-theme="light"] header { background: rgba(255,255,255,.9); }
:root[data-guide-theme="light"] .brand,
:root[data-guide-theme="light"] .bar-links a,
:root[data-guide-theme="light"] dt,
:root[data-guide-theme="light"] th { color: var(--text); }
:root[data-guide-theme="light"] .bar-links a:hover,
:root[data-guide-theme="light"] .cta.ghost:hover { background: #e0f2fe; color: #003e60; }
:root[data-guide-theme="light"] th { background: #e8f0f7; }
:root[data-guide-theme="light"] code { color: #713f12; }
:root[data-guide-theme="light"] .cta { color: #fff; }
:root[data-guide-theme="light"] .cta.ghost { color: #075985; }
.guide-theme-toggle {
  min-height: 44px; padding: 8px 12px; border: 1px solid var(--line);
  border-radius: 8px; color: var(--text); background: var(--card);
  font: inherit; font-size: .9rem; cursor: pointer;
}
.guide-theme-toggle:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
main, table { overflow-wrap: anywhere; }
@media(max-width: 600px) { th, td { padding: 8px; } }