/* ----- Admin-Leiste (Sessions, Branding, Datenschutz, SSL, Einstellungen) ----- */
.admin-chrome {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--line);
  padding: 8px var(--pad);
}

.admin-chrome[hidden] {
  display: none !important;
}

.admin-chrome-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

/* ----- Admin-Navigation: Bereiche + Links (Seitenleiste und Schublade) ----- */
.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.admin-nav-section {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-nav-section[hidden],
.admin-nav-link[hidden] {
  display: none !important;
}

.admin-nav-section__title,
.admin-nav-section__toggle {
  margin: 0;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
}

.admin-nav-section__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 36px;
  background: none;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.admin-nav-section__chevron {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.15s ease;
}

.admin-nav-section__toggle[aria-expanded="false"] .admin-nav-section__chevron {
  transform: rotate(-90deg);
}

.admin-nav-section__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-nav-section__list.is-collapsed {
  display: none;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 44px;
  padding: 0 0.75rem;
  border-radius: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

.admin-nav-link svg {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (prefers-reduced-motion: reduce) {
  .admin-nav-section__chevron {
    transition: none;
  }
}

/* ----- Admin-Seitenleiste (ab 68.75rem) ----- */
.admin-sidebar {
  display: none;
}

.admin-chrome-current {
  display: block;
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-nav-section__heading {
  margin: 0;
}

/* Namen-Tooltip der Icon-Leiste bei Tastaturfokus (title erscheint nur beim Hovern). */
.admin-rail-tip {
  position: fixed;
  z-index: 50;
  padding: 0.35rem 0.6rem;
  border-radius: 8px;
  background: var(--ink);
  color: var(--bg-elev);
  font-size: 0.85rem;
  font-weight: 600;
  pointer-events: none;
  transform: translateY(-50%);
  white-space: nowrap;
}

@media (min-width: 68.75rem) {
  body.admin-area {
    --admin-sidebar-w: 15rem;
  }

  body.admin-area.admin-sidebar-collapsed {
    --admin-sidebar-w: 4rem;
  }

  body.admin-area .app {
    padding-left: var(--admin-sidebar-w);
  }

  body.admin-area .app-footer {
    padding-left: calc(var(--admin-sidebar-w) + var(--pad));
  }

  body.admin-area .admin-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: fixed;
    z-index: 31;
    top: 0;
    bottom: 0;
    left: 0;
    width: var(--admin-sidebar-w);
    box-sizing: border-box;
    padding: 0.75rem 0.5rem;
    overflow-y: auto;
    background: var(--bg-elev);
    border-right: 1px solid var(--line);
  }

  body.admin-area .admin-sidebar__title {
    margin: 0;
    padding: 0.35rem 0.75rem;
    font-weight: 700;
  }

  body.admin-area .admin-sidebar__home {
    display: block;
    margin: 0;
    padding: 0.2rem 0.75rem 0.6rem;
    font-size: 0.9rem;
    color: var(--muted, #5a6472);
    text-decoration: none;
  }

  body.admin-area .admin-sidebar__home:hover,
  body.admin-area .admin-sidebar__home:focus-visible {
    color: var(--accent, #2563eb);
    text-decoration: underline;
  }

  body.admin-area .admin-sidebar__collapse {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    background: none;
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--ink);
    cursor: pointer;
  }

  body.admin-area .admin-sidebar__collapse:hover,
  body.admin-area .admin-sidebar__collapse:focus-visible {
    background: var(--bg-soft);
  }

  body.admin-area .admin-sidebar__collapse svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  body.admin-area.admin-sidebar-collapsed .admin-sidebar__collapse svg {
    transform: rotate(180deg);
  }

  body.admin-area .admin-nav-toggle {
    display: none;
  }

  /* Mit sichtbarer Seitenleiste braucht die Kopfzeile den Seitennamen nicht noch einmal; „Konto“ bleibt rechts. */
  body.admin-area .admin-chrome-current {
    display: none;
  }

  body.admin-area .admin-chrome-tools {
    margin-left: auto;
  }

  /* Icon-Leiste: Labels nur visuell weg (Screenreader behalten sie), alle Icons erreichbar. */
  body.admin-sidebar-collapsed .admin-sidebar .admin-nav-link__label,
  body.admin-sidebar-collapsed .admin-sidebar .admin-sidebar__title,
  body.admin-sidebar-collapsed .admin-sidebar .admin-sidebar__home,
  body.admin-sidebar-collapsed .admin-sidebar .admin-nav-section__title {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  /* Bereichs-Umschalter würden hier nur unsichtbare Tab-Stopps sein; die Gruppen behalten ihren
     Namen über role="group" + aria-label an der Liste. */
  body.admin-sidebar-collapsed .admin-sidebar .admin-nav-section__heading {
    display: none;
  }

  body.admin-sidebar-collapsed .admin-sidebar .admin-nav-section__list.is-collapsed {
    display: flex;
  }

  body.admin-sidebar-collapsed .admin-sidebar .admin-nav-link {
    justify-content: center;
    padding: 0;
  }
}

/* ----- Nutzer-Menü (Kopfleiste) ----- */
.admin-user-menu {
  position: relative;
}

.admin-user-menu__trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0 0.85rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-elev);
  color: var(--ink);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.admin-user-menu__trigger::-webkit-details-marker {
  display: none;
}

.admin-user-menu__trigger:hover,
.admin-user-menu__trigger:focus-visible {
  background: var(--bg-soft);
}

.admin-user-menu__trigger:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.admin-user-menu__trigger svg,
.admin-user-menu__link svg {
  width: 1.2rem;
  height: 1.2rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.admin-user-menu__panel {
  position: absolute;
  z-index: 40;
  top: calc(100% + 6px);
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 16rem;
  padding: 0.6rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.admin-user-menu__link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  padding: 0 0.6rem;
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

.admin-user-menu__link:hover,
.admin-user-menu__link:focus-visible {
  background: var(--bg-soft);
}

.admin-user-menu__link.is-active {
  background: color-mix(in srgb, var(--primary-color) 16%, var(--bg-elev));
}

.admin-user-menu__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 44px;
  padding: 0 0.6rem;
  font-weight: 600;
}

/* Usability M6: Workspace-Hub auf dem Sessions-Start
 * .admin-sessions-layout ist ein Grid (Hauptbereich + Sidebar) — ohne grid-column würde dieses Kind als
 * normales Grid-Item in die erste Spalte fallen und den eigentlichen Hauptbereich (.admin-sessions-main)
 * in die schmale Sidebar-Spalte verdrängen (siehe Kommentar in index.html: "vor Sessions-Chrome" = volle
 * Breite, eigene Zeile oberhalb — nicht Spalten-Geschwister). Funktioniert unverändert im 1-Spalten-Fall
 * (admin-mobile.css, < 56rem), da grid-column dort nur eine einzige Spalte überspannt.
 */
.admin-workspace-hub {
  grid-column: 1 / -1;
  margin: 0 0 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg-elev, #fff) 88%, var(--primary-color) 12%);
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
}

.admin-workspace-hub__checklist,
.admin-workspace-hub__status {
  margin-top: 1rem;
}

.admin-setup-checklist,
.admin-hub-warnings {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
}

.admin-hub-warnings a {
  color: inherit;
  font-weight: 650;
}

/* Usability M8: Join-Mini-Vorschau auf Branding */
.brand-contrast-status {
  margin: 0.35rem 0 0.75rem;
}

.brand-join-preview {
  margin: 0 0 1rem;
}

.brand-join-preview__card {
  max-width: 18rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  background: var(--brand-join-preview-bg, #fff);
  color: var(--brand-join-preview-ink, #1a1d23);
}

.brand-join-preview__logo {
  max-height: 2rem;
  max-width: 8rem;
  margin-bottom: 0.5rem;
  object-fit: contain;
}

.brand-join-preview__name {
  margin: 0 0 0.25rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-join-preview__hint {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
}

.brand-join-preview__cta {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0 0.9rem;
  border-radius: 8px;
  background: var(--brand-join-preview-accent, var(--primary-color, #007cc1));
  color: var(--brand-join-preview-cta-ink, #fff);
  font-weight: 650;
  font-size: 0.9rem;
}

.admin-chrome-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* ----- Einheitlicher Admin-Seitenkopf (Etappe 9, L4): Kopfleiste (Zurück-Link, großer Titel, Aktion rechts), darunter Meta und Kurztext -----
   Die klebende, milchige Kopfleiste (.ui-topbar) und ihre Abstimmung mit der Admin-Leiste stehen im Block
   „Etappe 9 · Kopf, Startfläche, Navigation“ in admin-mobile.css. Hier nur das Grundgerüst, das auch die öffentliche Hilfe nutzt. */
.admin-page-head {
  display: block;
  margin-bottom: 1.25rem;
}

.admin-page-head__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
}

.admin-page-head__main {
  display: flex;
  flex: 1 1 14rem;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.admin-page-head__title {
  margin: 0;
  font-size: clamp(1.3rem, 3.5vw, 1.65rem);
  line-height: 1.2;
}

.admin-page-head__lead {
  max-width: 62ch;
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

.admin-page-head__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-top: 0.5rem;
}

.admin-page-head__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.admin-page-head__actions:empty {
  display: none;
}

/* Pfad: sichtbar nur als Zurück-Link; die vollständige Kette (.admin-crumbs__list) ist nur für Screenreader da (.sr-only). */
.admin-page-head__back {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  align-self: flex-start;
  color: var(--ui-tint-ink, var(--link));
  font-size: 0.95rem;
  text-decoration: none;
}

.admin-page-head__back:hover {
  text-decoration: underline;
}

.admin-page-head__back-icon {
  width: 1rem;
  height: 1rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.admin-crumbs {
  display: block;
}

/* Die öffentliche Hilfe (#/help) hat keinen Admin-Pfad. */
.view-help:not(.is-admin-help) .admin-crumbs {
  display: none;
}

/*
  Admin-Seiten scrollen im .app, damit die Leiste sticky bleibt
  (interne View-Scrollcontainer würden sie mit wegschieben).
*/
body.admin-area .view:not([hidden]) {
  display: block;
  height: auto;
  max-height: none;
  min-height: 0;
  overflow: visible;
}