.handbook-body {
  max-width: 1160px;
  margin: 0 auto 70px;
  padding: 0 24px;
}
.handbook-body > h2 {
  font-size: 27px;
  margin: 48px 0 14px;
}
.handbook-body p {
  line-height: 1.9;
}
.handbook-notice {
  padding: 24px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: 12px;
  background: var(--panel);
}
.handbook-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 24px 0;
}
.handbook-metrics > div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}
.handbook-metrics strong {
  display: block;
  font-size: 36px;
  color: var(--gold);
}
.handbook-metrics span {
  font-size: 13px;
  color: var(--muted);
}
.handbook-classes {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 8px;
  margin: 22px 0;
}
.handbook-class {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 10px;
  padding: 14px 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.handbook-class[aria-pressed="true"] {
  border-color: var(--gold);
  box-shadow: inset 0 0 0 2px var(--gold);
}
.handbook-class img {
  width: 40px;
  height: 40px;
}
.handbook-class-head {
  display: flex;
  align-items: center;
  gap: 16px;
}
.handbook-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  min-width: 0;
}
.handbook-card h3 {
  margin: 8px 0 16px;
  font-size: 21px;
}
.handbook-card li {
  margin: 10px 0;
  line-height: 1.7;
}
.handbook-card .eyebrow {
  font-size: 11px;
}
.handbook-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.handbook-tip,
.handbook-source {
  color: var(--muted);
  font-size: 13px;
}
.handbook-search {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.handbook-search input,
.handbook-card input:not([type="checkbox"]),
.handbook-card textarea,
.handbook-card select {
  display: block;
  width: 100%;
  padding: 12px;
  margin: 8px 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}
.handbook-card textarea {
  resize: vertical;
}
.handbook-search .filter-row {
  margin: 12px 0 0;
  flex-wrap: wrap;
}
.handbook-check {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  align-items: flex-start;
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}
.handbook-check input {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: #b69748;
}
#handbook-faq details {
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 10px;
  background: var(--panel);
}
#handbook-faq summary {
  cursor: pointer;
  font-weight: 700;
  min-height: 24px;
}
.handbook-source {
  margin-top: 30px;
}
.handbook-card .action-link {
  margin-top: 8px;
}
@media (max-width: 900px) {
  .handbook-classes {
    grid-template-columns: repeat(3, 1fr);
  }
  .handbook-class {
    flex-direction: row;
    padding: 12px;
    justify-content: center;
  }
}
@media (max-width: 650px) {
  .handbook-body {
    padding: 0 14px;
  }
  .handbook-grid {
    grid-template-columns: 1fr;
  }
  .handbook-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .handbook-card {
    padding: 20px;
  }
  .handbook-body > h2 {
    font-size: 23px;
  }
  .handbook-class {
    font-size: 12px;
    gap: 6px;
    padding: 10px 4px;
  }
  .handbook-class img {
    width: 32px;
    height: 32px;
  }
}