/* The one site menu (scripts/research-tools-pages.mjs mainNav): four groups that open as small panels. */
.site-menu{display:flex;align-items:center;gap:6px;font-size:.9rem;font-weight:650}
.site-menu .menu-group{position:relative}
.site-menu summary,.site-menu .menu-link{display:flex;align-items:center;gap:6px;padding:10px 12px;border-radius:9px;cursor:pointer;list-style:none;color:var(--ink);text-decoration:none;white-space:nowrap}
.site-menu summary::-webkit-details-marker{display:none}
.site-menu summary::after{content:"";width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-2px) rotate(45deg);opacity:.6}
.site-menu details[open] summary::after{transform:translateY(1px) rotate(-135deg)}
.site-menu summary:hover,.site-menu .menu-link:hover,.site-menu details[open] summary{background:var(--soft)}
.site-menu summary.is-current,.site-menu .menu-link[aria-current=page]{color:var(--green)}
.site-menu a{padding:0;position:static}
.site-menu a::after{display:none}
.site-menu .menu-panel{position:absolute;top:calc(100% + 6px);left:0;z-index:1100;display:grid;min-width:230px;padding:8px;background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 34px #0f2a3326}
.site-menu .menu-panel a{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:8px;color:var(--ink);text-decoration:none;font-weight:600}
.site-menu .menu-panel a:hover,.site-menu .menu-panel a:focus-visible{background:var(--soft)}
.site-menu .menu-panel a[aria-current=page]{color:var(--green);background:var(--soft)}
.site-menu .menu-link{padding:10px 12px}
@media(max-width:1050px){.site-menu{order:3;width:100%;flex-wrap:wrap}}
@media(max-width:720px){
 .site-menu{gap:2px;font-size:.84rem}
 .site-menu summary,.site-menu .menu-link{padding:9px 8px}
 .site-menu .menu-group{position:static}
 .site-menu .menu-panel{left:0;right:0;min-width:0}
 .site-header{position:relative}
}
/* "Report a mistake" line at the end of every page's main content. */
.report-mistake{margin-top:36px;padding-top:14px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}
.report-mistake a{color:var(--green);font-weight:650}
.corrections-list li{margin:8px 0}
.site-header .site-menu{flex-wrap:wrap}
@media(max-width:720px){.site-header .site-menu{justify-content:flex-start}.site-menu .menu-extra{display:none}}
/* Older header rules made the nav a single scrolling row, which would clip the menu panels. */
.site-header nav.site-menu,.encyclopedia .site-header nav.site-menu{overflow:visible;flex-wrap:wrap;padding-bottom:0}
@media(max-width:720px){.site-header nav.site-menu,.encyclopedia .site-header nav.site-menu{gap:0;justify-content:flex-start}.site-menu summary,.site-menu .menu-link{padding:9px 7px}}