.document-body {
  color: var(--text);
}

.document-body article {
  max-width: var(--reading-width);
  margin: 0 auto;
}

.document-body article > *:first-child,
.document-body section > *:first-child {
  margin-top: 0;
}

.document-body .section {
  padding: 1rem 0 0.6rem;
}

.document-body .section + .section {
  border-top: 1px solid var(--border);
}

.document-body h2 {
  margin: 0 0 0.95rem;
  font-size: 1.6rem;
  line-height: 1.2;
}

.document-body h3 {
  margin: 1.2rem 0 0.55rem;
  font-size: 1.2rem;
  line-height: 1.3;
}

.document-body h4 {
  margin: 0 0 0.45rem;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-strong);
}

.document-body p,
.document-body li,
.document-body td,
.document-body th {
  line-height: 1.72;
}

.document-body p {
  margin: 0.55rem 0 0.8rem;
}

.document-body ul,
.document-body ol {
  margin: 0.45rem 0 0.95rem 1.2rem;
  padding: 0;
}

.document-body li + li {
  margin-top: 0.32rem;
}

.document-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.2rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.document-body th,
.document-body td {
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.document-body th {
  font-size: 0.9rem;
  color: var(--accent-strong);
  background: rgba(15, 118, 110, 0.06);
}

.document-body tr:last-child td {
  border-bottom: 0;
}

.document-body blockquote,
.document-body .note-box,
.document-body .summary-box,
.document-body .comparison-box,
.document-body .formula-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface-muted);
  box-shadow: var(--shadow-soft);
}

.document-body blockquote,
.document-body .note-box,
.document-body .summary-box,
.document-body .comparison-box {
  margin: 1rem 0 1.05rem;
  padding: 1rem 1rem 0.95rem;
}

.document-body blockquote {
  border-left: 4px solid rgba(15, 118, 110, 0.28);
}

.document-body .formula-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.8rem;
  margin: 1rem 0 1.1rem;
}

.document-body .formula-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem;
}

.document-body .formula-card strong {
  font-size: 1rem;
}

.document-body .formula {
  color: var(--accent-strong);
  font-size: 1rem;
}

.document-body .rank-list {
  margin: 0.85rem 0 1.1rem;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: rgba(15, 118, 110, 0.08);
  border: 1px solid rgba(15, 118, 110, 0.12);
  overflow-wrap: anywhere;
}

.document-body .species,
.document-body .value {
  font-weight: 600;
}

.document-body .value {
  color: var(--accent-strong);
}

.document-body .divider-label {
  display: inline-block;
  margin: 0 0 0.85rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent-strong);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.document-body hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

.document-body pre {
  overflow-x: auto;
  margin: 1rem 0 1.2rem;
  padding: 1rem;
  border-radius: 16px;
  background: #182520;
  color: #e9f8f1;
}

.document-body code {
  padding: 0.12rem 0.3rem;
  border-radius: 6px;
  background: rgba(15, 118, 110, 0.08);
}

.document-body pre code {
  padding: 0;
  background: transparent;
}

.document-body sup,
.document-body sub {
  line-height: 0;
}

@media (max-width: 640px) {
  .document-body h2 {
    font-size: 1.35rem;
  }

  .document-body table,
  .document-body .formula-grid {
    display: block;
  }

  .document-body .formula-grid {
    gap: 0.7rem;
  }

  .document-body .formula-card + .formula-card {
    margin-top: 0.7rem;
  }
}