/* ================================================================
   PURPLE UX POLISH — aichip/web/purple.css  (2026-05-17)
   Separate stylesheet; linked as last <link> = merge-proof.
   Purple lane only — no logic or data changes.
   ================================================================ */

/* ── skip link ─────────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  background: #79c0ff;
  color: #0d1117;
  text-decoration: none;
  font: 600 .9rem system-ui, sans-serif;
  padding: 10px 18px;
  border-radius: 0 0 6px 0;
  z-index: 9999;
  white-space: nowrap;
}
.skip-link:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  clip: auto;
  outline: none;
}

/* ── focus rings (WCAG 2.4.7) ──────────────────────────────────── */
*:focus-visible {
  outline: 2px solid #79c0ff !important;
  outline-offset: 2px !important;
}

/* ── 5-project nav: touch targets + current-page indicator ─────── */
#proj-nav a {
  min-height: 36px;
  display: inline-flex !important;
  align-items: center !important;
}
#proj-nav a[aria-current="page"] {
  outline: 2px solid currentColor !important;
  outline-offset: 2px !important;
}