/* Gemeinsame Kopfleiste aller internen Portale (Admin, Sales, Todo).
 * Quelle: shared/portal-nav/. Die Apps halten Kopien (scripts/sync-shared.sh), NICHT dort editieren.
 * Braucht die Marken-Tokens (brand/tokens.css). Verhalten: portal-nav.js.
 *
 * Aufbau (Klassen sind der Vertrag, fuer SSR rendert ihn portal-nav.ts):
 *   header.pn
 *     .pn-brand            Logo + Portal-Umschalter (details.pn-dd)
 *     button.pn-burger     nur schmal sichtbar, klappt .pn-panel auf
 *     .pn-panel
 *       nav.pn-links       Seiten des Portals (a, a.active), optional details.pn-dd fuer Gruppen
 *       .pn-right          Build-Info, Abmelden
 */
.pn { position: relative; z-index: 30; display: flex; align-items: center; gap: 20px; min-height: 56px; padding: 0 20px; background: var(--navy-900); color: #fff; font-family: var(--font-body); }
.pn a { color: inherit; text-decoration: none; }
.pn-brand { display: flex; align-items: center; gap: 10px; flex: none; }
.pn-brand img { display: block; height: 26px; width: auto; }
.pn-panel { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 0; }
.pn-links { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; flex-wrap: wrap; }
.pn-links > a, .pn-dd > summary { color: var(--navy-50); padding: 6px 10px; border-radius: 6px; font-size: 14px; white-space: nowrap; cursor: pointer; }
.pn-links > a:hover, .pn-dd > summary:hover { background: var(--navy-800); }
.pn-links > a.active { background: var(--navy-600); color: #fff; font-weight: 600; }
.pn-right { display: flex; align-items: center; gap: 12px; flex: none; }
.pn-right form { margin: 0; }
.pn-build { font-size: 12px; color: var(--navy-200); font-variant-numeric: tabular-nums; white-space: nowrap; }
.pn button.pn-btn { font: inherit; font-size: 14px; cursor: pointer; background: transparent; color: #fff; border: 1px solid currentColor; border-radius: 8px; padding: 6px 10px; opacity: .85; }
.pn button.pn-btn:hover { background: var(--navy-800); opacity: 1; }

/* Aufklapper: Portal-Umschalter und Link-Gruppen */
.pn-dd { position: relative; }
.pn-dd > summary { list-style: none; display: flex; align-items: center; gap: 6px; user-select: none; }
.pn-dd > summary::-webkit-details-marker { display: none; }
.pn-dd > summary::after { content: "▾"; font-size: 11px; opacity: .8; }
.pn-dd[open] > summary { background: var(--navy-800); }
.pn-dd-menu { position: absolute; top: calc(100% + 6px); left: 0; z-index: 40; min-width: 200px; margin: 0; padding: 6px; list-style: none; background: #fff; color: var(--neutral-900); border: 1px solid var(--neutral-200); border-radius: 10px; box-shadow: 0 10px 30px rgba(15, 42, 74, .22); }
.pn-dd-menu a { display: flex; justify-content: space-between; gap: 16px; padding: 8px 10px; border-radius: 6px; color: var(--neutral-900); font-size: 14px; white-space: nowrap; }
.pn-dd-menu a:hover { background: var(--navy-50); }
.pn-dd-menu a[aria-current="page"] { font-weight: 700; color: var(--navy-800); }
.pn-dd-menu a[aria-current="page"]::after { content: "✓"; }
.pn-dd-menu .pn-dd-note { display: block; padding: 2px 10px 6px; font-size: 12px; color: var(--neutral-600); }
/* der Portal-Umschalter sieht aus wie das bisherige Portal-Etikett neben dem Logo */
.pn-switch > summary, .pn-switch-label { color: var(--navy-200); font-family: var(--font-headline); font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.pn-switch-label { padding: 6px 10px; }

.pn-burger { display: none; margin-left: auto; font: inherit; font-size: 20px; line-height: 1; cursor: pointer; background: transparent; color: #fff; border: 1px solid transparent; border-radius: 8px; padding: 8px 10px; }
.pn-burger:hover { background: var(--navy-800); }
.pn :focus-visible { outline: 2px solid var(--gold-400); outline-offset: 2px; }

/* Schmal: Links und rechte Seite wandern in ein Panel unter der Leiste */
@media (max-width: 900px) {
  .pn { flex-wrap: wrap; gap: 8px; padding: 0 12px; }
  .pn-burger { display: block; }
  .pn-panel { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 8px; padding: 4px 0 14px; border-top: 1px solid var(--navy-800); }
  .pn[data-open] .pn-panel { display: flex; }
  .pn-links { flex-direction: column; align-items: stretch; gap: 2px; }
  .pn-links > a, .pn-links .pn-dd > summary { padding: 11px 10px; font-size: 16px; }
  .pn-links .pn-dd-menu { position: static; box-shadow: none; border: 0; background: var(--navy-800); margin: 2px 0 6px; }
  .pn-links .pn-dd-menu a { color: var(--navy-50); padding: 11px 14px; font-size: 15px; }
  .pn-links .pn-dd-menu a:hover { background: var(--navy-600); }
  .pn-right { justify-content: space-between; padding: 8px 10px 0; border-top: 1px solid var(--navy-800); }
}