/* ==========================================================================
   language.css · /language.html
   Token-only styles for the 澳門 / 香港 ↔ 台灣 vocabulary crib sheet.
   Builds on list.css (.page-header, .section-number, .area-group, .lede).
   ========================================================================== */

.vocab-intro {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  padding: clamp(1.25rem, 2.4vw, 1.6rem);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 4px;
}
.vocab-intro p {
  margin: 0;
  line-height: 1.7;
  font-size: clamp(0.95rem, 1.3vw, 1.05rem);
}
.vocab-intro p + p { margin-top: 0.6rem; }

/* Section: 02 / Taxi · 03 / Dining … */
.vocab-section {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  scroll-margin-top: 80px;
}
.vocab-section h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--ink);
}
.vocab-section h2 em {
  font-family: var(--font-display-italic, var(--font-display));
  font-weight: 300;
  font-style: italic;
  opacity: 0.85;
}
.vocab-section > p.vocab-lede {
  margin: 0 0 1.25rem;
  color: var(--ink);
  opacity: 0.82;
  line-height: 1.7;
  max-width: 56ch;
}

/* Grid of vocab cards */
.vocab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}
@media (min-width: 640px) {
  .vocab-grid { grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
}
@media (min-width: 1024px) {
  .vocab-grid { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
}

.vocab-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.1rem 1.15rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 3px;
  position: relative;
  transition: border-color var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out);
}
.vocab-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur-mid) var(--ease-editorial);
}
.vocab-card:hover,
.vocab-card:focus-within {
  border-color: rgba(15, 26, 20, 0.22);
  background: var(--paper-3);
}
.vocab-card:hover::before,
.vocab-card:focus-within::before {
  transform: scaleY(1);
}

/* Port-form (top row) */
.vocab-card .v-port {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 2.4vw, 1.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.vocab-card .v-port small {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-text);
}

/* Taiwan-form (second row) — label + plain body */
.vocab-card .v-tw {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-body, var(--font-display));
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--ink);
}
.vocab-card .v-tw::before {
  content: "台";
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  padding: 0.12rem 0.4rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink);
  opacity: 0.78;
  font-weight: 500;
}

/* Context (bottom row) — mono, small, greyer */
.vocab-card .v-ctx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  line-height: 1.55;
  color: var(--ink);
  opacity: 0.76;
  margin-top: 0.2rem;
}

/* Section anchor nav (horizontal scroll on mobile) */
.vocab-anchor-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: clamp(1rem, 2.5vw, 1.5rem);
}
.vocab-anchor-tabs a {
  flex: 0 0 auto;
  padding: 0.45rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink);
  opacity: 0.85;
  transition: background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              opacity var(--dur-fast) var(--ease-out);
}
.vocab-anchor-tabs a:hover,
.vocab-anchor-tabs a:focus-visible {
  background: var(--ink);
  color: var(--paper);
  opacity: 1;
  border-color: var(--ink);
}

/* Field-note footer section */
.vocab-footnote {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: clamp(1.25rem, 2.4vw, 1.6rem);
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--paper-3);
  line-height: 1.7;
}
.vocab-footnote h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
}
.vocab-footnote ul {
  margin: 0;
  padding-left: 1.25rem;
}
.vocab-footnote li + li { margin-top: 0.4rem; }

@media (max-width: 420px) {
  .vocab-card { padding: 1rem 1rem 1.1rem; }
  .vocab-card .v-port { font-size: 1.2rem; }
  .vocab-card .v-tw { font-size: 0.95rem; }
}