/* BSAHI site topbar — the one nav bar used on every page.
   Loaded from /js/site-nav.js (link injected) + can be linked directly. */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  margin: 0;
  padding: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.site-nav-inner {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 30px;
  min-height: 64px;
  padding: 0 28px;
}
.site-nav .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  font-family: var(--ui);
  position: relative;
}
.site-nav .brand .bi { color: var(--accent); font-size: 24px; line-height: 1; }
.site-nav-links { display: flex; gap: 2px; flex-wrap: wrap; }
.site-nav-links a {
  display: inline-block;
  padding: 7px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 999px;
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
  font-family: var(--ui);
}
.site-nav-links a:hover { color: var(--ink); background: var(--surface-muted); }
.site-nav-links a.active {
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

#chip {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
  border: 1px solid var(--line);
  padding: 5px 12px;
  border-radius: 999px;
  white-space: nowrap;
  font-family: var(--ui);
}
#chip b { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-3); }
#chip.s-live b { background: var(--ok); }
#chip.s-delayed b { background: var(--warn); }
#chip.s-stale b { background: var(--err); }

/* Page-level tab strip (live dashboard) — second row inside the same header */
.nav-tabs {
  display: flex;
  gap: 6px;
  padding: 6px 28px 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 1600px;
  margin: 0 auto;
}
.nav-tabs .tab-btn {
  padding: 7px 16px;
  border-radius: 999px;
  font: 600 14px var(--ui);
  color: var(--ink-2);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}
.nav-tabs .tab-btn:hover { color: var(--ink); border-color: var(--line); background: var(--surface-muted); }
.nav-tabs .tab-btn.active {
  color: var(--accent-ink);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

@media (max-width: 600px) {
  .site-nav-inner {
    flex-wrap: nowrap;
    align-items: center;
    gap: 12px;
    min-height: 56px;
    padding: 6px 12px;
  }
  .site-nav-links {
    order: initial;
    flex: 1 1 0;
    width: auto;
    min-width: 0;
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    gap: 2px;
  }
  .site-nav-links::-webkit-scrollbar { display: none; }
  .site-nav-links a { flex: 0 0 auto; padding: 7px 11px; font-size: 0.78rem; white-space: nowrap; }
  #chip { margin-left: 0; max-width: 118px; overflow: hidden; }
  .nav-tabs { padding: 4px 12px 8px; }
}
/* ─── Typography ramp ───────────────────────────────────────────────────
   Every heading level uses Newsreader (the display token). Page-specific
   selectors may override size/weight/color; font-family below is the
   default for any heading that doesn't set its own. */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--disp);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}