#glossary {
  display: none; /* JavaScript reveals when Level 1 starts */
  margin-bottom: 30px;
}
/* ── Header ── */
.glossary-header {
  text-align: center;
  margin-bottom: 1.6rem;
}
.glossary-header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: #4a90e2;;
  text-transform: uppercase;
}
.glossary-header p {
  margin-top: .4rem;
  color: #86068a;
  font-size: 1rem;
  letter-spacing: .06em;
}

/* ── Grid ── */
.glossary {
  background-color: #fefefe;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  border-bottom: 2px dotted #5d31fa;
  border-left: 2px dotted #5d31fa;
  border-right: 2px dotted #5d31fa;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
  padding: 20px;
  display: none;
  width: 100%;
  overflow: hidden;
}

/* ── Card ── */
.glossary-term {
  background: #eeeded62;
  border: 1px solid #c9c9c9;;
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.glossary-term:hover {
  border-color: #4a90e2;;
  box-shadow: 0 10px 14px rgba(88,166,255,.15);
}

/* ── Term name ── */
.glossary-term dt {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 1.2rem;
  font-weight: bold;
  color: #0077d9;
  margin-bottom: .55rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ── Definition text ── */
.glossary-term dd {
  color: #0d1117;
  font-size: 1rem;
  line-height: 1.6;
  list-style: none;
}

/* ── Sub-bullets (e.g. Function note) ── */
.glossary-term dd ul {
  margin-top: .5rem;
  padding-left: 1rem;
  list-style: none;
}
.glossary-term dd ul li::before {
  content: '– ';
  color: #86068a;
}

/* ── Inline code ── */
code {
  font-family: var(--term-font);
  background: #e6e6e6;
  color: #cf00c5;
  padding: .1em .35em;
  border-radius: 4px;
  font-size: 0.95em;
}

/* ── Code block ── */
.gl-pre {
  background: #e6e6e6;
  border: 1px solid #c9c9c9;;
  border-radius: 6px;
  padding: .75rem 1rem;
  margin-top: .6rem;
  overflow-x: auto;
  font-family: var(--term-font);
  font-size: 1rem;
  line-height: 1.55;
  color: #002c46;
}

/* ── Section labels ── */
.label {
  display: inline-block;
  font-size: 1rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #86068a;
  margin-top: .55rem;
  margin-bottom: .15rem;
}

.collapse-container {
    background-color: #fefefe;
    color: rgba(0, 0, 0, 0.8);
    cursor: pointer;
    border-radius: 8px;
    margin-top: 2%;
    margin-bottom: -4px;
    margin: 0px 20px;
    padding: 20px;
    text-align: left;
    outline: none;
    font-size: 1.2em;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.collapse-container::after {
    content: '▶';
    display: inline-block;
    margin-left: 8px;
    color: #0066CC;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.collapse-container.active::after {
    transform: rotate(90deg);
}

.collapse-container:focus-visible {
    outline: 2px solid #0066CC;
    outline-offset: 2px;
}

.active, .collapse-container:hover {
    background-color: #dbdbdb;
    color: hsl( var(--clr-dark) );
}