.page-main {
  width: min(100%, var(--panel-width));
  margin: 0 auto;
  display: grid;
  gap: var(--space-4);
}

.doc-panel {
  display: grid;
  gap: var(--space-4);
}

.doc-hero {
  gap: var(--space-3);
}

.doc-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-dim);
}

.doc-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4.8vw, 3.2rem);
  line-height: 0.96;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-bone);
}

.doc-lead {
  max-width: 74ch;
  color: var(--color-ink-soft);
  font-size: 1.03rem;
  line-height: 1.6;
}

.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.doc-button {
  min-height: 44px;
  padding: 0.8rem 1rem;
  color: var(--color-bone);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.doc-button:hover {
  transform: translateY(-1px);
  border-color: var(--color-line-strong);
}

.doc-button--primary {
  color: var(--color-bone);
}

.doc-fact-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.doc-section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.doc-section-nav__link,
.doc-inline-link {
  color: var(--color-bone);
  text-decoration-color: var(--color-line-strong);
  text-underline-offset: 0.18em;
}

.doc-section-nav__link {
  min-height: 36px;
  padding: 0.45rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.doc-section-nav__link:hover,
.doc-inline-link:hover {
  text-decoration-color: var(--color-divider);
}

.doc-fact {
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--color-line);
  background: var(--surface-control-muted);
  display: grid;
  gap: 0.2rem;
}

.doc-fact__label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-dim);
}

.doc-fact__value {
  color: var(--color-bone);
  font-weight: 700;
}

.doc-section {
  display: grid;
  gap: var(--space-3);
}

.doc-section__title {
  font-family: var(--font-title);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-bone);
}

.doc-subsection {
  display: grid;
  gap: 0.55rem;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-line-faint);
}

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

.doc-subsection__title {
  font-family: var(--font-title);
  font-size: 1.08rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-bone);
}

.doc-panel p,
.doc-panel li {
  max-width: 78ch;
  color: var(--color-ink-soft);
  line-height: 1.65;
}

.doc-list {
  display: grid;
  gap: 0.55rem;
  padding-left: 1.15rem;
  list-style: disc;
}

.doc-list--tight {
  gap: 0.35rem;
}

.doc-grid {
  display: grid;
  gap: var(--space-3);
}

.doc-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.doc-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.doc-card {
  padding: 1rem;
  display: grid;
  gap: 0.6rem;
}

.doc-card__title {
  font-family: var(--font-title);
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-bone);
}

.doc-note {
  padding-left: 1rem;
  border-left: 3px solid var(--color-surface-red-border);
}

.doc-divider {
  width: 100%;
  height: 1px;
  background: var(--surface-divider);
}

.source-category {
  display: grid;
  gap: var(--space-3);
}

.source-category__title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-bone);
}

.source-entry {
  border: 1px solid var(--color-line);
}

.source-entry[open] {
  background: var(--surface-card-open);
}

.source-entry__summary {
  list-style: none;
  padding: 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.9rem;
  cursor: pointer;
  align-items: start;
}

.source-entry__summary::-webkit-details-marker {
  display: none;
}

.source-entry__headline {
  display: grid;
  gap: 0.25rem;
}

.source-entry__name {
  font-family: var(--font-title);
  font-size: 1.08rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-bone);
}

.source-entry__preview {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

.source-entry__state {
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--color-line-mid);
  background: var(--surface-control-strong);
  color: var(--color-bone);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.source-entry__state--review {
  border-color: var(--color-surface-yellow-border);
  background: var(--color-surface-yellow-strong);
}

.source-entry__body {
  padding: 0 1rem 1rem;
  display: grid;
  gap: 0.95rem;
}

.source-entry__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.source-entry__block {
  display: grid;
  gap: 0.45rem;
}

.source-entry__label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-dim);
}

.source-entry__meta {
  display: grid;
  gap: 0.45rem;
}

.source-entry__meta strong {
  color: var(--color-bone);
}

.doc-placeholder {
  color: var(--color-ink-dim);
  font-style: italic;
}

.doc-footer {
  width: min(100%, var(--panel-width));
  padding: 0;
  gap: 0.6rem;
}

.doc-footer__line {
  color: var(--color-ink-dim);
  font-size: 0.92rem;
}

@media (max-width: 920px) {
  .doc-fact-strip,
  .doc-grid--3,
  .doc-grid--2,
  .source-entry__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-main {
    gap: var(--space-3);
  }

  .doc-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .doc-section-nav {
    display: grid;
    grid-template-columns: 1fr;
  }

  .source-entry__summary {
    grid-template-columns: 1fr;
  }
}