.du-install { width: min(680px, 100%); margin: 0 auto 32px; }
.du-install-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; color: var(--family-muted); font-size: var(--type-caption); }
.du-copy { border: 0; background: transparent; color: var(--family-accent); font-size: var(--type-caption); min-height: 32px; padding: 0 8px; }
.du-install pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.du-capabilities { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 38px; }
.du-capability { padding: 24px; min-width: 0; background: var(--family-panel); border-radius: var(--family-radius); }
.du-capability h3 { font-size: var(--type-heading); }
.du-capability p { color: var(--family-muted); margin-top: 10px; font-size: var(--type-control); }
.du-compatibility { justify-content: center; margin-top: 24px; }
.du-doc-layout { display: grid; grid-template-columns: 248px minmax(0, 1fr); gap: 24px; align-items: start; }
.du-doc-layout:has(.du-doc-sidebar[hidden]) { grid-template-columns: minmax(0, 1fr); }
.du-doc-sidebar { position: sticky; top: 24px; min-width: 0; }
.du-doc-menu { border: 1px solid var(--family-line); border-radius: var(--family-radius); background: var(--family-panel); }
.du-doc-menu > summary { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 18px; font-size: var(--type-control); font-weight: 500; cursor: pointer; list-style: none; }
.du-doc-menu > summary::-webkit-details-marker { display: none; }
.du-doc-menu[open] > summary { border-bottom: 1px solid var(--family-line); }
.du-doc-menu-body { padding: 16px 10px 14px; }
.du-search-label { display: block; padding-inline: 8px; margin-bottom: 8px; color: var(--family-muted); font-size: var(--type-caption); }
.du-search { display: block; width: calc(100% - 16px); min-height: 44px; margin: 0 8px 14px; padding: 10px 12px; border: 1px solid var(--family-line); border-radius: 14px; background: var(--family-bg); font-size: var(--type-control); }
.du-search::placeholder { color: var(--family-muted); font-size: var(--type-caption); }
.du-search-status { margin: 0 8px 8px; color: var(--family-muted); font-size: var(--type-caption); }
#docsNavigation { max-height: calc(100dvh - 280px); overflow-y: auto; scrollbar-width: thin; scroll-padding: 8px; }
#docsNavigation a { display: block; padding: 9px 12px; border-radius: 12px; color: var(--family-muted); font-size: var(--type-control); line-height: 1.5; text-decoration: none; }
#docsNavigation a:hover, #docsNavigation a[aria-current] { color: var(--family-accent); background: var(--family-accent-soft); }
#docsNavigation .du-doc-child { padding-left: 24px; font-size: var(--type-caption); }
#docsNavigation small { display: block; margin-top: 4px; color: var(--family-muted); font-size: var(--type-caption); }
.du-doc-source { display: block; padding: 12px 8px 0; margin-top: 12px; border-top: 1px solid var(--family-line); font-size: var(--type-caption); }
#docs-content { min-width: 0; overflow-wrap: anywhere; }
.du-doc-intro { margin-bottom: 20px; padding: 18px 28px; border: 1px solid var(--family-line); border-radius: var(--family-radius); color: var(--family-muted); font-size: var(--type-control); }
.du-doc-intro > summary { cursor: pointer; color: var(--family-ink); font-size: var(--type-control); font-weight: 500; }
.du-doc-chapter { padding: 32px; border: 1px solid var(--family-line); border-radius: var(--family-radius); background: var(--family-panel); }
.du-doc-chapter + .du-doc-chapter { margin-top: 24px; }
#docs-content h2 { margin: 0 0 20px; padding-bottom: 18px; border-bottom: 1px solid var(--family-line); }
#docs-content h3 { margin: 32px 0 14px; }
#docs-content h4, #docs-content h5, #docs-content h6 { font-size: var(--type-body); font-weight: 550; margin: 26px 0 12px; }
#docs-content h2, #docs-content h3, #docs-content h4 { text-wrap: initial; scroll-margin-top: 28px; }
.du-permalink { margin-left: 10px; color: var(--family-muted); opacity: .4; text-decoration: none; font-weight: 400; }
.du-permalink:hover, .du-permalink:focus-visible { opacity: 1; color: var(--family-accent); }
#docs-content p { margin: 16px 0; }
#docs-content ul, #docs-content ol { padding-left: 24px; margin: 16px 0; }
#docs-content li + li { margin-top: 6px; }
#docs-content img { max-width: 100%; vertical-align: middle; }
#docs-content blockquote { margin: 20px 0; padding: 14px 20px; border-left: 3px solid var(--family-accent); background: var(--family-accent-soft); border-radius: 0 16px 16px 0; }
#docs-content blockquote p { margin: 0; }
#docs-content hr { border: 0; border-top: 1px solid var(--family-line); margin: 30px 0; }
#docs-content :not(pre) > code { padding: 2px 6px; background: var(--family-code); border-radius: 6px; font-size: var(--type-code); overflow-wrap: anywhere; }
.du-table { max-width: 100%; overflow-x: auto; margin: 24px 0; border: 1px solid var(--family-line); border-radius: 16px; }
#docs-content table { border-collapse: collapse; width: 100%; font-size: var(--type-control); }
#docs-content th, #docs-content td { padding: 12px 16px; border-bottom: 1px solid var(--family-line); text-align: left; min-width: 110px; vertical-align: top; }
#docs-content th { font-weight: 500; background: var(--family-subtle); }
#docs-content tbody tr:nth-child(even) { background: var(--family-bg); }
.code-block { min-width: 0; max-width: 100%; margin: 22px 0; border: 1px solid var(--family-line); border-radius: 18px; overflow: hidden; background: var(--family-code); }
.du-code-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 8px 16px; border-bottom: 1px solid var(--family-line); color: var(--family-muted); font-size: var(--type-caption); }
#docs-content pre { margin: 0; padding: 20px; max-width: 100%; overflow-x: auto; background: transparent; color: var(--family-ink); font: var(--type-code)/1.8 "Cascadia Code", Consolas, monospace; }
#docs-content pre code { font: inherit; color: inherit; background: none; text-shadow: none; white-space: pre; }
.copy-button { min-width: 104px; min-height: 32px; padding: 4px 10px; border: 0; border-radius: 999px; background: var(--family-panel); color: var(--family-accent); font-size: var(--type-caption); }
.token.comment, .token.prolog, .token.doctype, .token.cdata { color: var(--family-muted); }
.token.punctuation, .token.operator { color: var(--family-muted); background: none; }
.token.keyword, .token.boolean, .token.number, .token.function { color: var(--family-blue); }
.token.string, .token.char, .token.attr-value { color: var(--family-green); }
.token.class-name, .token.namespace, .token.property { color: var(--family-accent); }
.du-doc-status { padding: 40px 24px; border: 1px solid var(--family-line); border-radius: var(--family-radius); background: var(--family-panel); color: var(--family-muted); text-align: center; }
.du-doc-error h3 { margin-top: 0 !important; color: var(--family-danger); }
@media (max-width: 960px) { .du-capabilities { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) {
  .du-doc-layout { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .du-doc-sidebar { position: static; }
  #docsNavigation { max-height: 340px; }
}
@media (max-width: 760px) { .du-doc-chapter { padding: 24px; } }
@media (max-width: 420px) {
  .du-capabilities { grid-template-columns: 1fr; gap: 12px; }
  .du-capability { padding: 22px; }
  .du-doc-chapter, .du-doc-intro { padding: 20px; }
  #docs-content pre { padding: 16px; }
}