/* DiCode Mag v12 - shared public UX layer. Intentionally framework-agnostic. */
:root {
  --dc-focus: #2563eb;
  --dc-safe-bottom: max(14px, env(safe-area-inset-bottom));
}
html.dark { --dc-focus: #60a5fa; }

.dicode-skip-link {
  position: fixed;
  inset-inline-start: 14px;
  top: 10px;
  z-index: 100000;
  transform: translateY(-140%);
  padding: 10px 14px;
  border-radius: 10px;
  background: #fff;
  color: #111827 !important;
  border: 2px solid var(--dc-focus);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 12px 36px rgba(0,0,0,.24);
  transition: transform .15s ease;
}
.dicode-skip-link:focus { transform: translateY(0); }

/* Make keyboard focus unambiguous without adding rings on mouse click. */
:where(a,button,input,select,textarea,[tabindex]):focus-visible {
  outline: 2px solid var(--dc-focus) !important;
  outline-offset: 3px !important;
}

/* Comfortable targets across touch and mouse interfaces. */
:where(button,[role="button"],input[type="button"],input[type="submit"],input[type="reset"]) {
  min-height: 40px;
  touch-action: manipulation;
}
:where(button,a)[aria-disabled="true"], :where(button,input)[disabled] {
  cursor: not-allowed !important;
  opacity: .62;
}

/* Avoid layout shifts from late image decoding where dimensions are available. */
img { max-width: 100%; }
img[loading="lazy"] { content-visibility: auto; }

/* Long archives are cheaper to render while remaining searchable/accessibility-visible. */
:where(.result-card,.post-card,.article-card,.discussion-card) {
  content-visibility: auto;
  contain-intrinsic-size: auto 320px;
}

#dicode-scroll-progress {
  position: fixed;
  inset-inline-start: 0;
  top: 0;
  z-index: 100001;
  width: 0;
  height: 2px;
  background: var(--dc-focus);
  pointer-events: none;
  opacity: 0;
  transition: opacity .16s ease;
}
#dicode-scroll-progress.is-visible { opacity: .9; }

#dicode-back-top {
  position: fixed;
  inset-inline-start: 16px;
  bottom: var(--dc-safe-bottom);
  z-index: 55;
  width: 42px;
  height: 42px;
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid var(--dc-line, rgba(148,163,184,.22));
  background: var(--dc-card, rgba(255,255,255,.92));
  color: var(--dc-text, #111827);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 36px rgba(0,0,0,.14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}
#dicode-back-top.is-visible { opacity: 1; visibility: visible; transform: none; }
html.dark #dicode-back-top { background: #18181b; box-shadow: 0 12px 36px rgba(0,0,0,.32); }

#dicode-network-status {
  position: fixed;
  left: 50%;
  bottom: var(--dc-safe-bottom);
  z-index: 100002;
  transform: translate(-50%, 12px);
  max-width: min(92vw, 460px);
  padding: 9px 13px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 11px;
  background: #18181b;
  color: #fafafa;
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 14px 42px rgba(0,0,0,.28);
  opacity: 0;
  visibility: hidden;
  transition: .18s ease;
}
#dicode-network-status.is-visible { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
#dicode-network-status[data-kind="online"] { border-color: rgba(16,185,129,.35); }
#dicode-network-status[data-kind="offline"] { border-color: rgba(245,158,11,.4); }

.dicode-form-busy { position: relative; }
.dicode-form-busy :where(button[type="submit"],input[type="submit"]) { pointer-events: none; }

@media (max-width: 640px) {
  #dicode-back-top { inset-inline-start: 12px; width: 40px; height: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  .dicode-skip-link, #dicode-back-top, #dicode-network-status { transition: none !important; }
  html:focus-within { scroll-behavior: auto !important; }
}


/* v13 - stable skip target and efficient below-the-fold rendering */
.dicode-main-anchor { position:relative; display:block; width:1px; height:1px; overflow:hidden; scroll-margin-top:88px; }
@supports (content-visibility: auto) {
  :where(.result-card,.post-card,.article-card,.discussion-card,.dc-content-defer) { contain-intrinsic-block-size:auto 320px; }
}
@media (hover: none) {
  #dicode-back-top { box-shadow:0 8px 26px rgba(0,0,0,.18); }
}