.help-header {
  padding: 24px 0 0;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 32px;
  color: var(--muted);
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.help-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  column-gap: clamp(28px, 5vw, 72px);
  padding-top: 44px;
  padding-bottom: 64px;
  align-items: start;
}

.help-heading {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
}

.help-sidebar {
  grid-column: 1;
  grid-row: 1 / span 2;
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  padding: 2px 6px 12px 2px;
  color: var(--muted);
  font-size: 0.88rem;
}

.guide-nav {
  display: grid;
  border-top: 1px solid var(--line);
}

.guide-nav a {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}

.guide-nav [aria-current="page"] {
  color: var(--pearl);
  background: var(--bg-soft);
  border-left: 2px solid var(--glint);
}

.page-toc {
  margin-top: 28px;
}

.page-toc ul {
  list-style: none;
  padding: 8px 0 0;
  margin: 0;
}

.page-toc a {
  display: block;
  padding: 9px 0;
}

.help-article {
  grid-column: 2;
  grid-row: 2;
  min-width: 0;
  max-width: 760px;
  overflow-wrap: anywhere;
}

.help-heading h1 {
  max-width: 100%;
  margin-top: 16px;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.08;
}

.help-intro {
  font-size: 1.13rem;
  color: var(--muted);
  margin-top: 24px;
  max-width: 65ch;
}

.version-note {
  margin: 28px 0;
  padding: 14px 18px;
  border-left: 2px solid var(--glint);
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.9rem;
}

.version-note p {
  margin: 0;
}

.version-note strong {
  color: var(--pearl);
  font-weight: 600;
}

.help-article section {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.help-article h2 {
  max-width: 100%;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.18;
  margin-bottom: 22px;
}

.help-article h3 {
  margin: 12px 0;
  color: var(--pearl);
  font-size: 1.12rem;
  line-height: 1.35;
}

.help-article p,
.help-article li,
.help-article dd {
  color: var(--muted);
}

.help-article li {
  padding-left: 4px;
  margin: 12px 0;
}

.help-article ol,
.help-article ul {
  padding-left: 24px;
}

.help-article code {
  color: var(--text);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.help-article pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.18);
  line-height: 1.7;
  overflow-wrap: normal;
  tab-size: 2;
}

.help-article dt {
  padding-top: 16px;
  color: var(--text);
}

.help-article dd {
  margin: 8px 0 0 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
}

.help-article table {
  border-collapse: collapse;
  width: 100%;
  min-width: 560px;
  text-align: left;
  font-size: 0.9rem;
}

.help-article th,
.help-article td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.help-article th {
  color: var(--pearl);
  font-weight: 600;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.guide-card {
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  text-decoration: none;
  background: var(--bg-soft);
}

.guide-card:hover {
  border-color: var(--glint);
}

.guide-card p {
  margin: 0;
  font-size: 0.94rem;
}

.back-to-top {
  margin-top: 40px;
}

.help-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.help-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.help-footer a {
  padding: 10px 0;
}

@media (max-width: 820px) {
  .help-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding-top: 28px;
  }

  .help-heading {
    grid-column: 1;
    grid-row: 1;
  }

  .help-article {
    grid-column: 1;
    grid-row: 3;
  }

  .help-sidebar {
    grid-column: 1;
    grid-row: 2;
    position: static;
    max-height: none;
    overflow: visible;
  }

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

  .page-toc ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 20px;
  }
}

@media (max-width: 520px) {
  .guide-grid,
  .page-toc ul {
    grid-template-columns: minmax(0, 1fr);
  }

  .help-article pre {
    padding: 12px;
    font-size: 0.87rem;
  }
}