.doc-mast {
  padding-bottom: calc(var(--space-section) / 2);
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(90deg, var(--color-transparent), var(--color-success-glow-soft), var(--color-transparent)),
    linear-gradient(180deg, var(--color-overlay), var(--color-transparent));
}

.doc-mast h1 {
  max-width: var(--reading-width);
  color: var(--color-accent-soft);
  text-shadow:
    0 0 2px var(--color-text),
    0 0 16px var(--color-accent-glow-soft);
}

.doc-lead {
  max-width: var(--reading-width);
  margin-bottom: 26px;
  color: var(--color-text);
  font-size: clamp(17px, 2.3vw, 21px);
  line-height: 1.85;
}

.doc-scope {
  display: flex;
  max-width: 100%;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 8px;
}

.doc-scope span {
  display: inline-flex;
  min-height: 30px;
  padding-inline: 11px;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-success-soft);
  background: var(--color-bg-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.doc-mast .toc {
  margin-bottom: 0;
}

.doc-body {
  padding-top: calc(var(--space-section) / 2);
  padding-bottom: var(--space-section);
}

.doc-chapter {
  min-width: 0;
  padding-top: calc(var(--space-section) / 2);
  scroll-margin-top: var(--header-height);
}

.doc-chapter:first-child {
  padding-top: 0;
}

.doc-chapter + .doc-chapter {
  margin-top: calc(var(--space-section) / 3);
}

.doc-chapter h2 {
  position: relative;
  padding-right: 34px;
}

.doc-chapter h2::after {
  position: absolute;
  top: 25px;
  right: 0;
  width: 12px;
  height: 12px;
  border: 2px solid var(--color-success-soft);
  border-radius: var(--radius-circle);
  content: "";
  background: var(--color-success);
  box-shadow: 0 0 14px var(--color-success-glow);
}

.doc-chapter h3 {
  padding-left: 15px;
  border-left: 3px solid var(--color-accent);
}

.doc-chapter p {
  text-wrap: pretty;
}

.doc-chapter .table-wrap {
  margin: 28px 0;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-small);
  box-shadow: var(--shadow-panel);
}

.doc-chapter .data-table {
  min-width: 720px;
}

.doc-chapter pre {
  box-shadow: var(--shadow-panel);
}

.doc-chapter > :last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .doc-mast {
    padding-bottom: calc(var(--space-section) / 2);
  }

  .doc-lead {
    font-size: 16px;
  }

  .doc-scope {
    gap: 6px;
  }

  .doc-scope span {
    min-height: 28px;
    padding-inline: 9px;
    font-size: 10px;
  }

  .doc-body {
    padding-top: calc(var(--space-section) / 2);
  }

  .doc-chapter {
    padding-top: calc(var(--space-section) / 2);
  }

  .doc-chapter + .doc-chapter {
    margin-top: 22px;
  }

  .doc-chapter h2 {
    padding-right: 0;
  }

  .doc-chapter h2::after {
    display: none;
  }

  .doc-chapter h3 {
    padding-left: 12px;
  }
}