html { scroll-behavior: smooth; }
button { font: inherit; }
button:focus-visible, code:focus-visible { outline: 3px solid var(--forest); outline-offset: 4px; }
[hidden] { display: none !important; }
.skip-link { position: absolute; left: 20px; top: -100px; padding: 12px; background: var(--surface); z-index: 2; }
.skip-link:focus { top: 10px; }
.header-links { flex-wrap: wrap; justify-content: flex-end; gap: 12px; }
.theme-toggle { min-width: 44px; min-height: 44px; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--ink); cursor: pointer; }
.theme-toggle:hover { border-color: var(--forest); }
.guide-intro { margin-bottom: 32px; }
.guide-intro .lead { margin-bottom: 26px; }
.guide-nav { display: flex; flex-wrap: wrap; gap: 10px; }
.guide-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 10px 17px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); text-decoration: none; font-weight: 650; }
.guide-nav a:hover { border-color: var(--forest); }
section { scroll-margin-top: 24px; padding: 38px 0; }
.platform-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.platform-heading h2 { margin: 0; font-size: 30px; }
.platform-language { min-height: 44px; display: inline-flex; align-items: center; font-size: 13px; }
h3 { font-size: 18px; margin: 26px 0 12px; letter-spacing: -.025em; }
.copy-block { border: 1px solid var(--line); border-radius: 16px; background: var(--surface); padding: 18px; margin: 18px 0; }
.copy-label { display: block; font-size: 13px; font-weight: 650; margin-bottom: 10px; color: var(--muted); }
.copy-content { display: block; font: 14px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; white-space: pre-wrap; user-select: text; }
.copy-button { min-height: 44px; padding: 8px 16px; margin-top: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--page); color: var(--forest); cursor: pointer; font-weight: 650; }
.copy-status { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; min-height: 20px; }
.source { margin-top: 24px; font-size: 14px; color: var(--muted); }
.updated { margin-bottom: 25px; }
.footer a, .back, .language-switch { min-height: 44px; display: inline-flex; align-items: center; }
@media (max-width: 560px) {
  .header { align-items: flex-start; padding: 16px 0; gap: 10px; }
  .brand { padding-top: 7px; font-size: 22px; }
  .header-links { gap: 5px; }
  .back { display: none; }
  .language-switch { padding: 8px; }
  section { padding: 30px 0; }
  .platform-heading h2 { font-size: 27px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }