.idiom-catalog-page {
  min-width: 320px;
}

.idiom-catalog-brand {
  color: inherit;
  text-decoration: none;
}

.idiom-catalog-shell {
  max-width: 1500px;
  padding-top: clamp(1rem, 2.5vw, 2rem);
  padding-bottom: 2.5rem;
}

.idiom-catalog-heading {
  position: relative;
  overflow: hidden;
  margin-bottom: 1.25rem;
  padding: clamp(1.35rem, 3vw, 2.4rem);
  border: 1px solid rgba(199, 106, 20, 0.24);
  border-radius: 20px;
  background:
    radial-gradient(circle at 88% 16%, rgba(251, 191, 36, 0.28), transparent 34%),
    linear-gradient(135deg, #fffaf0, #fff1d8);
  box-shadow: 0 16px 34px rgba(143, 76, 15, 0.12);
}

.idiom-catalog-heading__eyebrow {
  margin: 0 0 0.45rem;
  color: var(--accent-dark);
  font: 800 0.78rem "Space Grotesk", "Trebuchet MS", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.idiom-catalog-heading h1 {
  margin: 0;
  color: var(--brand-dark);
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.05;
}

.idiom-catalog-heading__summary {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font: 700 1rem/1.55 "Space Grotesk", "Trebuchet MS", sans-serif;
}

.idiom-catalog-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 40px rgba(30, 58, 138, 0.12);
}

.idiom-catalog-table-wrap {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.idiom-catalog-table {
  width: 100%;
  min-width: 1080px;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  color: var(--ink);
  font: 600 0.84rem/1.45 "Space Grotesk", "Trebuchet MS", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.idiom-catalog-table th,
.idiom-catalog-table td {
  padding: 0.72rem 0.62rem;
  border-right: 1px solid #dbe4f2;
  border-bottom: 1px solid #dbe4f2;
  text-align: left;
  vertical-align: top;
}

.idiom-catalog-table th:last-child,
.idiom-catalog-table td:last-child {
  border-right: 0;
}

.idiom-catalog-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: #ffffff;
  background: var(--brand);
  font-weight: 800;
  line-height: 1.3;
}

.idiom-catalog-table tbody tr:nth-child(even) td {
  background: #f8faff;
}

.idiom-catalog-table tbody tr:hover td {
  background: #fff7e8;
}

.idiom-catalog-table th:first-child,
.idiom-catalog-table td:first-child {
  width: 5%;
  text-align: center;
}

.idiom-catalog-table th:nth-child(2),
.idiom-catalog-table td:nth-child(2) {
  width: 14%;
}

.idiom-catalog-table th:nth-child(3),
.idiom-catalog-table td:nth-child(3),
.idiom-catalog-table th:nth-child(4),
.idiom-catalog-table td:nth-child(4) {
  width: 16%;
}

.idiom-catalog-table th:nth-child(5),
.idiom-catalog-table td:nth-child(5) {
  width: 22%;
}

.idiom-catalog-table th:nth-child(6),
.idiom-catalog-table td:nth-child(6) {
  width: 27%;
}

.idiom-catalog__word {
  display: block;
  color: var(--brand-dark);
  font: 900 1.18rem/1.25 "PingFang SC", "Microsoft YaHei", serif;
  white-space: nowrap;
}

.idiom-catalog__pinyin {
  display: block;
  margin-top: 0.3rem;
  color: var(--accent-dark);
  font: 700 0.82rem/1.35 "Space Grotesk", "Trebuchet MS", sans-serif;
}

.idiom-catalog-empty {
  margin: 0;
  padding: 2rem;
  color: var(--muted);
  font: 700 1rem "Space Grotesk", "Trebuchet MS", sans-serif;
  text-align: center;
}

.idiom-catalog-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 1.25rem;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  color: #ffffff;
  background: var(--brand);
  font: 800 0.95rem "Space Grotesk", "Trebuchet MS", sans-serif;
  text-decoration: none;
}

.idiom-catalog-back:hover,
.idiom-catalog-back:focus-visible {
  background: var(--brand-dark);
}

@media (max-width: 760px) {
  .idiom-catalog-shell {
    padding-inline: 0.8rem;
  }

  .idiom-catalog-heading {
    border-radius: 15px;
  }

  .idiom-catalog-card {
    border-radius: 14px;
  }
}