:root {
  --guide-red: #e94f37;
  --guide-ink: #102a29;
  --guide-body: #53645f;
}

.source-section-guide h2,
.chapter-content-guide .chapter-hero h1 { color: var(--guide-ink); }
.guide-title-danger { color: var(--guide-red) !important; }
.chapter-content-guide .chapter-hero-summary { color: var(--guide-body); }
.guide-hero-metadata { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; margin-top: 26px; color: var(--guide-body); font: 11px/1.7 ui-monospace, SFMono-Regular, Consolas, monospace; }
.guide-hero-metadata time, .guide-hero-metadata b { color: var(--guide-ink); font-weight: 650; }
.guide-hero-tags, .guide-card-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.guide-hero-tags span, .guide-card-tags > span { padding: 4px 9px; border-radius: 7px; background: #e7eff7; color: var(--guide-ink); font: 11px/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; }
.guide-section-label { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 16px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.guide-section-label > span { color: var(--guide-red); font-size: 14px; }
.guide-section-label small { color: var(--guide-body); font-size: 11px; letter-spacing: .07em; }
.guide-content-notice { margin: 54px 0 24px; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.guide-content-notice h2 { margin: 0 0 12px; color: var(--guide-ink); font-size: 20px; }
.guide-content-notice p, .guide-source-disclaimer { margin: 0; color: var(--guide-body); font-size: 13px; line-height: 1.9; }
.guide-content-notice a { display: inline-block; margin-top: 12px; color: var(--guide-red); font-size: 13px; text-underline-offset: 3px; }
.guide-source-disclaimer { margin-bottom: 30px; }
.guide-card-label { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin: 8px 0 0; font: 10px/1.7 ui-monospace, SFMono-Regular, Consolas, monospace; }
.guide-card-label > span:first-child { color: var(--guide-red); letter-spacing: .06em; }
.guide-card-label > span:last-child { color: var(--guide-body); }
.guide-card-tags { margin: 15px 0 24px; align-items: center; }
.guide-card-tags small { margin-left: auto; color: var(--guide-body); font-size: 11px; }
.guide-section-kicker { margin: 0 0 20px; color: var(--guide-red); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; letter-spacing: .09em; line-height: 1.7; }
.guide-paragraph { max-width: 790px; margin: 0 0 20px; color: var(--guide-body); font-size: 15px; line-height: 1.95; overflow-wrap: anywhere; }
.guide-paragraph-danger { color: var(--guide-red); }
.guide-paragraph-large { font-size: 18px; font-weight: 700; }
.guide-emphasis-danger { color: var(--guide-red); font-weight: 750; }
.guide-inline-link { color: var(--guide-red); font-weight: 750; text-decoration: underline; text-underline-offset: 3px; }
.guide-inline-link:hover, .guide-inline-link:focus-visible { text-decoration-thickness: 2px; }
.guide-table-wrap { max-width: 820px; margin: 26px 0; overflow-x: auto; border: 1px solid var(--line-strong); border-radius: 14px; background: var(--paper); }
.guide-table { width: 100%; min-width: 560px; border-collapse: collapse; color: var(--guide-body); font-size: 14px; line-height: 1.8; }
.guide-table th, .guide-table td { padding: 14px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.guide-table th { color: var(--guide-ink); background: var(--paper-soft); font-weight: 700; }
.guide-table td:first-child { color: var(--guide-ink); font-weight: 700; }
.guide-table tr:last-child td { border-bottom: 0; }
.guide-table th:last-child, .guide-table td:last-child { border-right: 0; }
.guide-list { max-width: 790px; margin: 20px 0 28px; padding-left: 23px; color: var(--guide-body); font-size: 15px; line-height: 1.95; }
.guide-list li + li { margin-top: 8px; }
.guide-list li::marker { color: var(--guide-red); }
.guide-steps { display: grid; gap: 14px; max-width: 790px; margin: 26px 0; padding: 0; list-style: none; }
.guide-steps li { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 14px; padding: 19px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.75); }
.guide-steps li > span { color: var(--guide-red); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 15px; font-weight: 700; }
.guide-steps strong { color: var(--guide-ink); font-size: 16px; line-height: 1.55; }
.guide-steps p { margin: 7px 0 0; color: var(--guide-body); font-size: 14px; line-height: 1.9; overflow-wrap: anywhere; }
.guide-gallery { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px; max-width: 820px; margin: 28px 0; }
.guide-figure { min-width: 0; margin: 0; }
.guide-figure-wide { grid-column: span 6; }
.guide-figure-half { grid-column: span 3; }
.guide-figure-third { grid-column: span 2; }
.guide-figure > a { position: relative; display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); box-shadow: 0 10px 26px rgba(20,44,80,.06); }
.guide-figure > a:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.guide-figure img { display: block; width: 100%; height: auto; }
.guide-figure figcaption { margin-top: 9px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.guide-note { max-width: 790px; margin: 26px 0; padding: 20px 22px; border-left: 4px solid var(--blue); border-radius: 0 12px 12px 0; background: #eef5ff; }
.guide-note-warning { border-color: var(--amber); background: var(--amber-bg); }
.guide-note-danger { border-color: var(--guide-red); background: #fff1ee; }
.guide-note strong { display: block; margin-bottom: 10px; color: var(--guide-ink); font-size: 18px; }
.guide-note p { margin: 0; color: var(--guide-body); font-size: 15px; line-height: 1.9; overflow-wrap: anywhere; }
.guide-resources { display: grid; gap: 12px; max-width: 790px; margin: 24px 0; }
.guide-resource { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 17px 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--guide-ink); line-height: 1.7; text-decoration: none; }
.guide-resource-highlight { border-color: #efa99e; background: #fff7f4; }
.guide-resource.guide-resource-highlight strong { color: var(--guide-red); font-size: 21px; font-weight: 800; }
.guide-resource strong { font-size: 15px; overflow-wrap: anywhere; }
.guide-resource small { display: block; margin-top: 4px; color: var(--guide-body); font-size: 12px; }
.guide-resource > span:last-child { color: var(--guide-red); font-size: 20px; }
.guide-resource:hover, .guide-resource:focus-visible { border-color: var(--guide-red); outline: none; }
.guide-code { max-width: 790px; margin: 26px 0; padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
.guide-code > strong { color: var(--guide-ink); }
.guide-code pre { overflow-x: auto; margin: 16px 0 0; color: var(--guide-body); font-size: 13px; line-height: 1.8; }
.chapter-card-featured { border-color: #c9dcfb; background: linear-gradient(140deg, #fff, #edf5ff); }
.chapter-card-featured .chapter-card-number { color: var(--blue); }

@media (max-width: 640px) {
  .guide-figure-half, .guide-figure-third { grid-column: span 6; }
  .guide-steps li { grid-template-columns: 30px minmax(0, 1fr); padding: 15px; gap: 10px; }
  .guide-resource { padding: 15px; gap: 12px; }
  .guide-table th, .guide-table td { padding: 12px; }
}