.ref-link {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent-2) 50%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.ref-link:hover,
.ref-link:focus-visible {
  color: var(--accent-2);
}

.url-preview {
  position: fixed;
  z-index: 40;
  width: min(320px, calc(100vw - 32px));
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 8px 8px 0 rgba(38, 48, 39, 0.16);
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.url-preview.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.url-preview img {
  display: block;
  width: 100%;
  aspect-ratio: 1.9 / 1;
  object-fit: cover;
  background: var(--tile);
  border-bottom: 1px solid var(--line);
}

.url-preview img[src*="s2/favicons"] {
  object-fit: contain;
  padding: 30px;
}

.url-preview-body {
  padding: 12px 14px 14px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

.url-preview-title {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}

.url-preview-url {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
  color: var(--accent-2);
}

/* Right-side description card — same visual treatment as .aside-note--terms.
   Hidden until JS adds .is-visible on link hover; positioned via JS. */
.ref-desc-card {
  position: fixed;
  z-index: 40;
  width: 240px;
  padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--accent-3) 38%, transparent);
  border-radius: 4px;
  background: color-mix(in srgb, var(--accent-3) 6%, var(--paper) 94%);
  font-family: var(--font-sans, ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
  pointer-events: none;
  display: none;
  opacity: 0;
  transition: opacity 0.18s ease;
}

.ref-desc-card.is-visible {
  display: block;
  opacity: 1;
}

.ref-desc-card .ref-desc-label {
  display: block;
  font-style: normal;
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent-3);
  margin-bottom: 5px;
}

.ref-desc-card .ref-desc-text {
  margin: 0;
  color: var(--ink);
}