/* Category navigation: vector icons, anchored panels and inline mobile disclosures. */
html[data-theme] .visual-nav-group{gap:0}
html[data-theme] .visual-dropdown>summary{display:flex;align-items:center;gap:7px;padding:14px 0;color:var(--vt-ink);font:600 14px/1.4 Manrope,"Segoe UI",sans-serif;white-space:nowrap;min-height:44px;border-radius:4px}
html[data-theme] .visual-dropdown>summary::marker{content:''}
html[data-theme] .visual-dropdown>summary::-webkit-details-marker{display:none}
html[data-theme] .visual-dropdown[open]>summary span{transform:none;display:inline}
.visual-nav-chevron{display:block;flex:0 0 14px;color:var(--vt-muted);transition:transform .2s ease,color .2s ease}
.visual-dropdown[open] .visual-nav-chevron{transform:rotate(180deg);color:var(--vt-accent)}
html[data-theme] .visual-dropdown>summary:hover,html[data-theme] .visual-dropdown[open]>summary{color:var(--vt-accent)}
html[data-theme] .visual-dropdown>summary:focus-visible{outline:2px solid var(--vt-accent);outline-offset:5px}
html[data-theme] .visual-dropdown-panel{position:absolute;top:var(--menu-top,140px);left:var(--menu-left,24px);right:auto;width:var(--menu-width,640px);max-width:calc(100vw - 48px);padding:20px 22px 22px;border:1px solid var(--vt-line);border-radius:10px;background:var(--vt-panel);box-shadow:0 18px 50px #00000024;color:var(--vt-ink);max-height:calc(100dvh - var(--menu-top,140px) - 24px);margin:0;overflow:auto;overscroll-behavior:contain;backdrop-filter:none}
html[data-theme] .visual-dropdown-heading{padding:0 4px 15px;margin-bottom:10px;gap:20px}
html[data-theme] .visual-dropdown-heading strong{font:600 14px/1.5 Manrope,"Segoe UI",sans-serif;letter-spacing:.02em;color:var(--vt-ink)}
html[data-theme] .visual-dropdown-heading>a{display:inline-flex;gap:8px;align-items:center;font-size:12px;white-space:nowrap;text-decoration:none;color:var(--vt-accent)}
html[data-theme] .visual-dropdown-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:3px 16px}
html[data-theme] .visual-dropdown-grid>a{display:flex;align-items:center;justify-content:flex-start;min-height:44px;padding:11px 12px;border-radius:6px;font-size:14px;font-weight:600;line-height:1.5;color:var(--vt-muted);text-decoration:none;transition:background .18s ease,color .18s ease;transform:none;overflow-wrap:anywhere}
html[data-theme] .visual-dropdown-grid>a:hover,html[data-theme] .visual-dropdown-grid>a:focus-visible{background:var(--vt-soft);color:var(--vt-ink);transform:none}
html[data-theme] .visual-dropdown-grid>a:focus-visible{outline:2px solid var(--vt-accent);outline-offset:-2px}
html[data-theme="6"] .visual-dropdown-panel{border-radius:16px}
html[data-theme="7"] .visual-dropdown-panel{border-radius:6px;box-shadow:0 18px 50px #25272718}
@media(min-width:1051px){html[data-theme] .visual-navigation{gap:22px;flex-wrap:nowrap}.visual-dropdown-panel:before{content:'';position:fixed;left:var(--menu-left);top:calc(var(--menu-top) - 12px);width:var(--menu-width);height:12px;background:transparent}.visual-dropdown[open] .visual-dropdown-panel{animation:visual-menu-in .18s ease-out}html[data-theme] .visual-navigation>a{font-size:14px}}
@keyframes visual-menu-in{from{opacity:0;translate:0 -5px}to{opacity:1;translate:0 0}}
@media(min-width:1051px) and (max-width:1240px){html[data-theme] .visual-masthead{flex-wrap:wrap;padding:16px 0;gap:10px;justify-content:center}html[data-theme] .visual-navigation{flex-basis:100%;justify-content:center;gap:18px;flex-wrap:wrap}}
@media(max-width:1050px){html[data-theme] .visual-navigation{display:flex;flex-direction:column;align-items:stretch;gap:0;width:100%;padding:8px 0 4px}html[data-theme] .visual-navigation.visual-menu-closed{display:none}html[data-theme] .visual-navigation>a{font-size:15px;padding:14px 4px;min-height:48px;border-bottom:1px solid var(--vt-line)}html[data-theme] .visual-nav-group{display:block;flex:none;width:100%;border-bottom:1px solid var(--vt-line)}html[data-theme] .visual-dropdown{display:block;width:100%}html[data-theme] .visual-dropdown>summary{justify-content:space-between;padding:14px 4px;font-size:15px;min-height:48px}html[data-theme] .visual-dropdown-panel{position:static;left:auto;right:auto;top:auto;width:100%;max-width:100%;max-height:none;margin:0 0 14px;padding:14px;border-radius:8px;box-shadow:none;animation:none}.visual-dropdown-panel:before{display:none}html[data-theme] .visual-dropdown-heading{padding:0 4px 12px}html[data-theme] .visual-dropdown-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 10px}html[data-theme] .visual-dropdown-grid>a{font-size:14px;padding:11px 8px}.visual-masthead:has(.visual-navigation:not(.visual-menu-closed)){align-items:flex-start}}
@media(max-width:550px){html[data-theme] .visual-dropdown-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.visual-nav-chevron,.visual-dropdown-panel{animation:none!important;transition:none!important}}