/* Glossary page. Scoped to .afs-glossary so it never touches def_lists
   elsewhere. Palette variables live in home.css. */

/* Selectors are prefixed with .md-typeset so they outrank Material's own
   `.md-typeset dl dd` rules (which otherwise re-add the dd left margin). */
.md-typeset .afs-glossary dl {
  margin: 2rem 0 0;
}

/* Each term. Divider-separated entries, term set in the accent colour. */
.md-typeset .afs-glossary dt {
  margin: 0;
  padding: 1.6rem 0 0;
  border-top: 1px solid var(--afs-line);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--afs-accent-dark);
  /* Keep the term clear of the sticky header when reached from an anchor. */
  scroll-margin-top: 4.5rem;
}

.md-typeset .afs-glossary dl > dt:first-of-type {
  border-top: 0;
  padding-top: 0;
}

/* Definition body. Reset Material's default dd indent, add breathing room. */
.md-typeset .afs-glossary dd {
  margin: 0.35rem 0 1.6rem;
  color: var(--afs-ink);
}

.md-typeset .afs-glossary dd :last-child {
  margin-bottom: 0;
}

/* Highlight the entry that was linked to. dt:target styles the term; the
   adjacent dd is its single definition block, so both light up together. */
.md-typeset .afs-glossary dt:target,
.md-typeset .afs-glossary dt:target + dd {
  background: var(--afs-soft-2);
  border-left: 3px solid var(--afs-accent);
  animation: afs-glossary-flash 1.4s ease-out 1;
}

.md-typeset .afs-glossary dt:target {
  margin-top: 1.6rem;
  padding: 0.9rem 1rem 0.5rem;
  border-top: 0;
  border-radius: 6px 6px 0 0;
}

/* Close the gap to the term above so the two halves read as one box. */
.md-typeset .afs-glossary dt:target + dd {
  margin-top: 0;
  padding: 0 1rem 0.9rem;
  border-radius: 0 0 6px 6px;
}

.md-typeset .afs-glossary dt:target + dd :last-child {
  margin-bottom: 0;
}

@keyframes afs-glossary-flash {
  from {
    background: var(--afs-practice-bg);
    border-left-color: var(--afs-practice-accent);
  }
  to {
    background: var(--afs-soft-2);
    border-left-color: var(--afs-accent);
  }
}

/* Glossary-term hover cards. Any link into the glossary (hooks/glossary_terms.py
   wraps it in .afs-term) shows the term's definition on hover or focus. The link
   stays a normal, clickable link; only the card is added. */
.md-typeset .afs-term {
  position: relative;
}

/* Dotted underline hints that the term carries a definition on hover. */
.md-typeset .afs-term > a {
  text-decoration: none;
  border-bottom: 1px dotted currentColor;
}

.md-typeset .afs-term__card {
  display: none;
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  z-index: 30;
  width: max-content;
  max-width: min(24rem, 90vw);
  padding: 0.6rem 0.75rem;
  font-size: 0.72rem;
  line-height: 1.5;
  font-weight: 400;
  text-align: left;
  color: var(--afs-ink);
  background: var(--afs-card, #fff);
  border: 1px solid var(--afs-line);
  border-left: 3px solid var(--afs-accent);
  border-radius: 0.5rem;
  box-shadow: var(--afs-shadow, 0 1rem 2.4rem rgba(15, 31, 38, 0.12));
}

/* Transparent bridge across the gap so moving into the card keeps it open. */
.md-typeset .afs-term__card::before {
  content: "";
  position: absolute;
  top: -0.4rem;
  left: 0;
  right: 0;
  height: 0.4rem;
}

.md-typeset .afs-term:hover .afs-term__card,
.md-typeset .afs-term:focus-within .afs-term__card {
  display: block;
}

.md-typeset .afs-term__title {
  display: block;
  font-weight: 700;
  color: var(--afs-accent-dark);
  margin-bottom: 0.2rem;
}

.md-typeset .afs-term__def {
  display: block;
  color: var(--afs-ink);
}