/* Small, finite interaction cues. No animation runs while the page is idle. */
.hero-period {
  position: relative;
  display: inline-block;
  letter-spacing: 0;
  transition: color 220ms ease;
}
.hero-period::before,
.hero-period::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0.15em;
  width: 0.22em;
  height: 0.22em;
  border: 2px solid #cf343e;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 50%) scale(0.5);
}
@keyframes hero-ripple {
  0% { opacity: 0.7; transform: translate(-50%, 50%) scale(0.5); }
  100% { opacity: 0; transform: translate(-50%, 50%) scale(2.7); }
}
.hero-title:focus-visible .hero-period::before,
.hero-title:active .hero-period::before { animation: hero-ripple 550ms ease-out; }
.hero-title:focus-visible .hero-period::after,
.hero-title:active .hero-period::after { animation: hero-ripple 550ms 100ms ease-out; }
.hero-title:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 8px;
}
.hero-title:focus-visible .hero-period,
.hero-title:active .hero-period { color: #cf343e; }
@media (hover: hover) and (pointer: fine) {
  .hero-title:hover .hero-period { color: #cf343e; }
  .hero-title:hover .hero-period::before { animation: hero-ripple 550ms ease-out; }
  .hero-title:hover .hero-period::after { animation: hero-ripple 550ms 100ms ease-out; }
}
.site-nav nav a {
  position: relative;
  text-decoration: none;
}
.site-nav nav a::after {
  content: '';
  position: absolute;
  bottom: 7px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}
.site-nav nav a[aria-current="page"]::after,
.site-nav nav a:focus-visible::after,
.site-nav nav a:active::after { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) {
  .site-nav nav a:hover::after { transform: scaleX(1); }
}
.article-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 18px;
}
.copy-link {
  min-height: 44px;
  min-width: 112px;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--blue);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease;
}
.copy-link:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }
.copy-link:active,
.copy-link[data-copied="true"] { background: #eef2ff; border-color: var(--blue); }
.copy-status { font-size: 13px; color: var(--muted); }
.article-actions input {
  flex-basis: 100%;
  min-width: 0;
  width: 100%;
  padding: 12px;
  font: inherit;
  font-size: 14px;
  border: 1px solid var(--border);
  color: var(--ink);
  background: var(--panel);
}
.article-actions input[hidden] { display: none; }
.brand .brand-dot {
  display: inline-flex;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  margin-left: 9px;
  color: var(--blue, #1745dc);
}
.brand-dot svg { display: block; width: 24px; height: 24px; overflow: visible; }
.brand-dot .cue-links,
.brand-dot .cue-nodes { opacity: 0; transition: opacity 180ms ease; }
.brand-dot .cue-center { transition: r 180ms ease; }
.brand:focus-visible .cue-links,
.brand:focus-visible .cue-nodes { opacity: 1; }
.brand:focus-visible .cue-center { r: 2.5px; }
.entry { transition: background-color 180ms ease; }
.entry .read-link::after {
  display: inline-block;
  margin-left: 0.3em;
  transition: transform 180ms ease;
}
.entry:focus-visible { background-color: rgba(23, 69, 220, 0.045); }
.entry:focus-visible .read-link::after { transform: translate(3px, -2px); }
@media (hover: hover) and (pointer: fine) {
  .brand:hover .cue-links,
  .brand:hover .cue-nodes { opacity: 1; }
  .brand:hover .cue-center { r: 2.5px; }
  .entry:hover { background-color: rgba(23, 69, 220, 0.045); }
  .entry:hover .read-link::after { transform: translate(3px, -2px); }
}
.entry:active { background-color: rgba(23, 69, 220, 0.085); }
.reading-progress {
  position: fixed;
  inset: 0 auto auto 0;
  width: 0;
  height: 2px;
  background: var(--blue, #1745dc);
  z-index: 50;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .hero-period::before,
  .hero-period::after { animation: none !important; }
  .hero-period,
  .site-nav nav a::after,
  .copy-link,
  .brand-dot .cue-links,
  .brand-dot .cue-nodes,
  .brand-dot .cue-center,
  .entry,
  .entry .read-link::after { transition: none !important; }
  .entry .read-link::after { transform: none !important; }
}
@media print { .reading-progress, .article-actions { display: none; } }