/* Sys1 documentation surface: extends the established Paper system without new theme tokens. */
.docs-hero { padding: 4.75rem 2rem 4.5rem; border-bottom: 1px solid var(--grid); background: light-dark(#f1f0eb, #191816); }
.docs-hero-inner { width: min(70rem, 100%); margin-inline: auto; }
.docs-hero h1 { max-width: 13ch; margin-bottom: 1.5rem; }
.docs-lede { max-width: 58ch; color: var(--muted); font-size: 1.12rem; line-height: 1.65; margin: 0 0 1.35rem; }
.docs-meta { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem 1.5rem; color: var(--muted); font-size: .82rem; }
.docs-meta span + span { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.docs-shell { width: min(70rem, calc(100% - 4rem)); margin-inline: auto; display: grid; grid-template-columns: 12rem minmax(0, 1fr); gap: 4rem; }
.docs-sidebar { padding-top: 4.5rem; }
.docs-sidebar-title { color: var(--foreground); font-size: .82rem; font-weight: 600; margin: 0 0 .8rem; }
.docs-nav { display: grid; gap: .65rem; }
.docs-nav a, .docs-related { color: var(--muted); font-size: .82rem; text-decoration: none; }
.docs-nav a:hover, .docs-nav a:focus-visible, .docs-related:hover, .docs-related:focus-visible { color: var(--foreground); text-decoration: underline; }
.docs-related { display: block; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--grid); }
.docs-content { min-width: 0; }
.docs-section { padding-block: 4.5rem; border-bottom: 1px solid var(--grid); scroll-margin-top: 5rem; }
.docs-section h2 { margin-bottom: 1rem; }
.docs-intro { max-width: 62ch; color: var(--muted); font-size: 1.03rem; margin-bottom: 2.5rem; }
.docs-route-list, .docs-mode-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.docs-route { display: grid; grid-template-columns: minmax(0, 1fr) minmax(14rem, .8fr); gap: 2rem; align-items: start; padding: 1.5rem 0; border-bottom: 1px solid var(--grid); }
.docs-route h3, .docs-mode h3 { margin-bottom: .35rem; }
.docs-route p, .docs-mode p { color: var(--muted); font-size: .92rem; margin: 0; }
.docs-mode pre { margin-top: 1rem; padding: .85rem .9rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--hraness-marketing-terminal-background); color: var(--hraness-marketing-terminal-command); font-size: .72rem; line-height: 1.7; }
.docs-route pre { padding: .95rem 1rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--hraness-marketing-terminal-background); color: var(--hraness-marketing-terminal-command); font-size: .76rem; line-height: 1.8; }
.docs-footnote { color: var(--muted); font-size: .8rem; margin: 1rem 0 0; }
.docs-mode-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; border-top: 0; }
.docs-mode { padding: 0 1.5rem 0 0; border-right: 1px solid var(--grid); }
.docs-mode:last-child { border-right: 0; padding-right: 0; }
.docs-mode a, .docs-links a { display: inline-block; margin-top: .8rem; font-size: .84rem; text-decoration: none; }
.docs-mode a:hover, .docs-links a:hover { text-decoration: underline; }
.docs-code-block { margin-top: 2.5rem; border: 1px solid var(--line); border-radius: .875rem; overflow: hidden; background: var(--hraness-marketing-terminal-background); color: var(--hraness-marketing-terminal-ink); }
.docs-code-heading { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 1rem; color: var(--hraness-marketing-terminal-muted); background: var(--hraness-marketing-terminal-chrome); font-size: .78rem; }
.docs-code-block pre { padding: 1.35rem; color: var(--hraness-marketing-terminal-command); font-size: .77rem; line-height: 1.8; }
.docs-definition-list { margin: 0; border-top: 1px solid var(--line); }
.docs-definition-list > div { display: grid; grid-template-columns: minmax(10rem, .6fr) minmax(0, 1.6fr); gap: 2rem; padding: 1.35rem 0; border-bottom: 1px solid var(--grid); }
.docs-definition-list dt { font-weight: 600; }
.docs-definition-list dd { margin: 0; color: var(--muted); font-size: .92rem; }
.docs-links { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: .8rem; }
.docs-research-list { border-top: 1px solid var(--line); }
.docs-research-list a { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding: 1.15rem 0; border-bottom: 1px solid var(--grid); color: var(--foreground); text-decoration: none; }
.docs-research-list a:hover { color: var(--primary); }
.docs-research-list strong { display: block; font-size: 1rem; font-weight: 600; }
.docs-research-list small { display: block; margin-top: .2rem; color: var(--muted); font-size: .82rem; }
.docs-closing { padding: 4.5rem 1.5rem 5rem; text-align: center; }
.docs-closing p { max-width: 27ch; margin: 0 auto 1.5rem; font-family: var(--hraness-marketing-display-font); font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1.3; letter-spacing: -.015em; }
@media (max-width: 800px) {
  .docs-shell { width: calc(100% - 2.5rem); grid-template-columns: 1fr; gap: 0; }
  .docs-sidebar { padding-top: 1.5rem; padding-bottom: 0; }
  .docs-nav { display: flex; flex-wrap: wrap; gap: .5rem 1rem; }
  .docs-related { display: inline-block; border: 0; margin-top: .8rem; padding: 0; }
  .docs-section { padding-block: 3.75rem; }
  .docs-mode-list { grid-template-columns: 1fr; gap: 0; }
  .docs-mode { padding: 1.25rem 0; border-right: 0; border-bottom: 1px solid var(--grid); }
  .docs-mode:first-child { border-top: 1px solid var(--line); }
  .docs-mode:last-child { padding-right: 0; }
  .docs-route { grid-template-columns: 1fr; gap: 1rem; }
  .docs-definition-list > div { grid-template-columns: 1fr; gap: .35rem; }
}
@media (max-width: 560px) {
  .docs-hero { padding: 3.5rem 1.25rem; }
  .docs-hero h1 { max-width: none; }
  .docs-lede { font-size: 1rem; }
  .docs-meta { display: grid; gap: .5rem; }
  .docs-meta span + span { padding: 0; border: 0; }
  .docs-shell { width: calc(100% - 2.5rem); }
  .docs-section { padding-block: 3.25rem; }
  .docs-closing { padding-block: 3.5rem; }
}