:root { color-scheme: dark; --bg: #0d1117; --surface: #161b22; --text: #e6edf3; --muted: #8b949e; --border: #30363d; --accent: #e3a008; --danger: #f85149; }
:root[data-theme='light'] { color-scheme: light; --bg: #fff; --surface: #f6f8fa; --text: #1f2328; --muted: #656d76; --border: #d0d7de; --accent: #8f6200; --danger: #cf222e; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 'IBM Plex Sans', system-ui, sans-serif; }
a { color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }
.skip-link { background: var(--accent); color: #111; left: 16px; padding: 10px 14px; position: fixed; top: 16px; transform: translateY(calc(-100% - 20px)); z-index: 10; }
.skip-link:focus { transform: translateY(0); }
.seo-header { align-items: center; border-bottom: 1px solid var(--border); display: flex; gap: 24px; justify-content: space-between; min-height: 80px; }
.brand { color: var(--accent); font-weight: 700; text-decoration: none; }
.seo-header nav { align-items: center; display: flex; flex-wrap: wrap; gap: 20px; }
.seo-header nav a { color: var(--muted); font-weight: 600; text-decoration: none; }
.seo-header nav a:hover, .text-link:hover { color: var(--accent); }
.seo-main { padding-bottom: 72px; padding-top: 64px; }
.eyebrow { color: var(--muted); font: 600 12px/1.5 'JetBrains Mono', ui-monospace, monospace; letter-spacing: 1px; margin: 0; text-transform: uppercase; }
h1 { font-size: clamp(36px, 5vw, 64px); line-height: 1.08; margin: 16px 0 24px; max-width: 900px; }
h2 { font-size: 28px; line-height: 1.2; margin: 0 0 18px; }
h3 { font-size: 20px; margin: 0 0 8px; }
section { border-top: 1px solid var(--border); margin-top: 48px; padding-top: 32px; }
.seo-lead { color: var(--muted); font-size: 20px; max-width: 760px; }
.seo-identity { align-items: center; display: flex; gap: 16px; }
.seo-identity h1 { margin-bottom: 32px; min-width: 0; overflow-wrap: anywhere; }
.seo-logo { flex-shrink: 0; height: 56px; object-fit: contain; width: 56px; }
.seo-main p, .seo-facts dd { overflow-wrap: anywhere; }
.seo-facts { display: grid; gap: 1px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 32px 0; }
.seo-facts div { background: var(--surface); border: 1px solid var(--border); padding: 18px 20px; }
dt { color: var(--muted); font-size: 14px; }
dd { font: 600 22px/1.25 'JetBrains Mono', ui-monospace, monospace; margin: 8px 0 0; }
.seo-muted { color: var(--muted); font-size: 14px; }
.button { background: var(--accent); border: 1px solid var(--accent); color: #111; display: inline-flex; font-weight: 700; padding: 12px 18px; text-decoration: none; }
.seo-facts div:last-child:nth-child(odd) { grid-column: 1 / -1; }
.seo-notice { border: 1px solid var(--border); margin: 28px 0; padding: 20px; }
.seo-notice h2 { font-size: 20px; }
.seo-notice-blocked { border-color: var(--danger); }
.seo-notice-blocked h2 { color: var(--danger); }
.seo-notice-lead { color: var(--muted); }
.seo-notice p:last-child { margin-bottom: 0; }
.text-link { color: var(--accent); font-weight: 600; }
.seo-table-wrap { border: 1px solid var(--border); overflow-x: auto; }
.seo-models { display: none; }
table { border-collapse: collapse; min-width: 620px; width: 100%; }
th, td { border-bottom: 1px solid var(--border); padding: 14px 16px; text-align: left; }
thead { background: var(--surface); }
tbody th { font-weight: 600; }
.catalog-search { border: 1px solid var(--border); margin-top: 32px; padding: 20px; }
.catalog-search label { display: block; font-weight: 600; margin-bottom: 8px; }
.catalog-search-row { display: flex; gap: 12px; }
.catalog-search input { background: var(--bg); border: 1px solid var(--border); color: var(--text); flex: 1; font: inherit; min-width: 0; padding: 11px 12px; }
.catalog-search input:focus-visible, .text-button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.text-button { background: transparent; border: 1px solid var(--border); color: var(--text); cursor: pointer; font: inherit; font-weight: 600; padding: 10px 14px; }
.text-button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.text-button:disabled { cursor: default; opacity: .5; }
.catalog-search-status { color: var(--muted); font-size: 14px; margin: 12px 0 0; }
.catalog-search-empty { border-left: 3px solid var(--accent); margin: 16px 0 0; padding-left: 12px; }
.seo-catalog { display: grid; gap: 12px; list-style: none; margin: 32px 0 0; padding: 0; }
.seo-catalog a { background: var(--surface); border: 1px solid var(--border); display: grid; gap: 4px; padding: 18px 20px; text-decoration: none; }
.seo-catalog a:hover { border-color: var(--accent); }
.seo-catalog strong { color: var(--accent); font: 600 20px 'JetBrains Mono', ui-monospace, monospace; }
.seo-catalog span { font-size: 18px; font-weight: 600; }
.seo-catalog small { color: var(--muted); }
.seo-catalog li[hidden], .catalog-search[hidden], .catalog-search-empty[hidden] { display: none; }
.seo-steps { display: grid; gap: 24px; list-style: none; margin: 0; padding: 0; }
.seo-steps li { border-left: 3px solid var(--accent); padding-left: 20px; }
.site-footer { border-top: 1px solid var(--border); color: var(--muted); display: flex; gap: 24px; justify-content: space-between; padding-bottom: 32px; padding-top: 32px; }
@media (max-width: 767px), (pointer: coarse) {
  .seo-header nav a { padding: 10px 8px; }
}
@media (max-width: 767px) {
  .seo-header { align-items: center; flex-direction: row; flex-wrap: wrap; gap: 0 16px; padding-bottom: 8px; padding-top: 8px; }
  .seo-header nav { gap: 4px 8px; }
  .seo-summary { display: grid; gap: 28px; margin: 28px 0; }
  .seo-summary > * { margin: 0; }
  .seo-summary .seo-notice-unavailable { order: -2; }
  .seo-summary .seo-facts { order: -1; }
  .seo-table-wrap { display: none; }
  .seo-models { display: grid; gap: 8px; list-style: none; margin: 0; padding: 0; }
  .seo-models li { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 12px; }
  .seo-models strong { font-weight: 600; overflow-wrap: anywhere; }
  .seo-models dl { display: grid; gap: 8px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 8px 0 0; }
  .seo-models dt { font-size: 14px; }
  .seo-models dd { font: 600 16px/1.3 'JetBrains Mono', ui-monospace, monospace; margin: 4px 0 0; overflow-wrap: anywhere; }
}
@media (max-width: 640px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .seo-main { padding-bottom: 48px; padding-top: 48px; }
  .seo-facts { grid-template-columns: 1fr; }
  .seo-identity { align-items: flex-start; }
  .seo-logo { margin-top: 8px; }
  .site-footer { align-items: flex-start; flex-direction: column; }
}