/* Shared site header: the same navigation on the landing page, the app and the public report pages.
   Uses the page's own colour tokens (--bg, --panel, --border, --text, --muted, --accent…). */
/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 24px;
  padding: 12px max(16px, calc((100vw - 1200px) / 2)); background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 800; font-size: 18px; }
.brand:hover { text-decoration: none; }
.brand small { color: var(--accent); font-weight: 600; font-size: 12px; margin-left: 2px; }
.topbar nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.topbar nav a { color: var(--muted); padding: 6px 10px; border-radius: 8px; font-weight: 500; white-space: nowrap; }
.topbar nav a:hover, .topbar nav a.active { background: var(--bg-2); color: var(--text); text-decoration: none; }
.theme-toggle { background: none; border: 1px solid var(--border); color: var(--muted); border-radius: 8px;
  width: 34px; height: 34px; cursor: pointer; font-size: 16px; }
/* ======================================================================= redesign: navigation */
.skip { position: absolute; left: -9999px; top: 8px; z-index: 50; background: var(--panel); padding: 8px 12px; border-radius: 8px; }
.skip:focus { left: 8px; }
.topbar nav { align-items: center; overflow: visible; }
.topbar nav a, .navmenu > summary { display: inline-flex; align-items: center; gap: 6px; }
.topbar nav .ni { font-size: 14px; }
.navsep { width: 1px; height: 20px; background: var(--border); margin: 0 6px; }
.navmenu { position: relative; }
.navmenu > summary { list-style: none; cursor: pointer; color: var(--muted); padding: 6px 10px; border-radius: 8px; font-weight: 500; white-space: nowrap; }
.navmenu > summary::-webkit-details-marker { display: none; }
.navmenu > summary:hover, .navmenu[open] > summary, .navmenu > summary.active { background: var(--bg-2); color: var(--text); }
.navmenu .menu { position: absolute; top: calc(100% + 6px); left: 0; z-index: 30; min-width: 280px; padding: 6px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); display: grid; gap: 2px; }
.navmenu .menu a { display: grid; gap: 1px; padding: 8px 10px; border-radius: 8px; color: var(--text); white-space: normal; }
.navmenu .menu a span { color: var(--muted); font-size: 12.5px; font-weight: 400; }
.navmenu .menu a:hover { background: var(--bg-2); text-decoration: none; }
.navtoggle { display: none; margin-left: auto; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 8px;
  width: 38px; height: 34px; font-size: 18px; cursor: pointer; }
@media (max-width: 900px) {
  .topbar { flex-wrap: wrap; gap: 10px; }
  .navtoggle { display: block; }
  .topbar nav { display: none; order: 3; flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 2px; padding-bottom: 8px; }
  .topbar nav.open { display: flex; }
  .topbar nav a, .navmenu > summary { padding: 10px 12px; }
  .navsep { width: auto; height: 1px; margin: 6px 0; }
  .navmenu .menu { position: static; box-shadow: none; border: 0; padding: 0 0 0 12px; min-width: 0; }
}


.topbar { font-family: var(--sans); font-size: 15px; line-height: 1.55; }
.topbar a { text-decoration: none; }
.topbar nav a, .navmenu > summary { font-size: 15px; }