/* NextLab global navigation and link policy */
:root {
  --nextlab-navy: #071733;
  --nextlab-navy-2: #0b1d3a;
  --nextlab-blue: #2563eb;
  --nextlab-line: #e4e9f2;
  --nextlab-text: #101828;
  --nextlab-muted: #667085;
  --nextlab-topbar-h: 58px;
  --nextlab-sidebar-w: 288px;
}

.nextlab-global-sidebar,
.nextlab-global-topbar { box-sizing: border-box; font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }

body.nextlab-has-injected-sidebar { padding-left: var(--nextlab-sidebar-w) !important; }
body.nextlab-has-injected-topbar { padding-top: var(--nextlab-topbar-h) !important; }

.nextlab-global-sidebar {
  position: fixed;
  z-index: 99980;
  inset: 0 auto 0 0;
  width: var(--nextlab-sidebar-w);
  height: 100vh;
  overflow-y: auto;
  background: linear-gradient(180deg, #06142c, #0b1d3a 58%, #071327);
  color: #fff;
  padding: 22px;
  box-shadow: 1px 0 0 rgba(255,255,255,.06), 12px 0 32px rgba(15,23,42,.18);
}

.nextlab-global-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; color: #fff; text-decoration: none; }
.nextlab-global-brand img { width: 48px; height: 48px; border-radius: 50%; box-shadow: 0 0 0 1px rgba(255,255,255,.16); }
.nextlab-global-brand strong { display: block; font-size: 16px; letter-spacing: -.2px; }
.nextlab-global-brand span { display: block; margin-top: 2px; color: #a8b7d5; font-size: 12px; }
.nextlab-global-nav-title { margin: 20px 0 8px; color: #8ea3c7; font-size: 11px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.nextlab-global-sidebar a.nextlab-nav-link { display: block; padding: 10px 12px; border-radius: 12px; color: #dbe7ff; text-decoration: none; font-size: 14px; font-weight: 650; margin: 4px 0; }
.nextlab-global-sidebar a.nextlab-nav-link:hover,
.nextlab-global-sidebar a.nextlab-nav-link.is-active { background: rgba(255,255,255,.09); color: #fff; }
.nextlab-global-sidebar .nextlab-external-mark { opacity: .76; font-size: 11px; margin-left: 4px; }

.nextlab-global-topbar {
  position: fixed;
  z-index: 99970;
  top: 0;
  right: 0;
  left: 0;
  height: var(--nextlab-topbar-h);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--nextlab-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  color: var(--nextlab-text);
  box-shadow: 0 8px 24px rgba(15,23,42,.05);
}
body.nextlab-has-injected-sidebar .nextlab-global-topbar { left: var(--nextlab-sidebar-w); }
.nextlab-global-topbar .nextlab-crumb { font-weight: 800; color: var(--nextlab-navy-2); }
.nextlab-global-topbar nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.nextlab-global-topbar a { color: var(--nextlab-navy-2); text-decoration: none; border: 1px solid var(--nextlab-line); border-radius: 999px; padding: 7px 10px; font-size: 13px; font-weight: 800; background: #fff; }
.nextlab-global-topbar a:hover { border-color: #bfd0ff; color: var(--nextlab-blue); }

/* Link policy visual hints */
a[data-nextlab-link-scope="external"]::after { content: " ↗"; font-size: .84em; opacity: .72; }
a[data-nextlab-link-scope="internal"]::after { content: ""; }

@media (max-width: 960px) {
  body.nextlab-has-injected-sidebar { padding-left: 0 !important; }
  body.nextlab-has-injected-topbar { padding-top: var(--nextlab-topbar-h) !important; }
  .nextlab-global-sidebar { position: relative; width: 100%; height: auto; inset: auto; padding: 16px; }
  .nextlab-global-sidebar .nextlab-nav-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; }
  .nextlab-global-topbar,
  body.nextlab-has-injected-sidebar .nextlab-global-topbar { left: 0; padding: 0 12px; }
  .nextlab-global-topbar nav a { font-size: 12px; padding: 6px 8px; }
}