/* ============================================================
   Hilfe-Overlay (Namespace .lkh) + Header-Fragezeichen-Button.
   Heller Harnorgane-Look (Teal/Gold). z-index 70: ueber Topbar/Fenster,
   unter Toast(80)/Idle(90).
   ============================================================ */
.lkh-ov {
  position: fixed; inset: 0; z-index: 70;
  display: flex; align-items: flex-start; justify-content: center;
  background: rgba(15, 23, 42, .45); padding: 40px 16px; overflow: auto;
}
.lkh-ov[hidden] { display: none; }
.lkh-card {
  background: #fff; width: 100%; max-width: 760px; border-radius: 14px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, .35);
  display: flex; flex-direction: column; max-height: calc(100vh - 80px); overflow: hidden;
}
.lkh-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid #e3e9f2;
  background: linear-gradient(135deg, #f0f7f7, #e6f2f2);
}
.lkh-title { font-weight: 700; color: #0d6b6e; font-size: 17px; }
.lkh-x { border: 0; background: transparent; font-size: 17px; color: #5b6b7a; cursor: pointer; line-height: 1; padding: 5px 7px; border-radius: 6px; }
.lkh-x:hover { background: rgba(13, 107, 110, .12); color: #0d6b6e; }
.lkh-searchwrap { padding: 12px 18px; border-bottom: 1px solid #eef2f7; }
.lkh-search {
  width: 100%; box-sizing: border-box; padding: 9px 12px;
  border: 1px solid #cfd9e6; border-radius: 9px; font: inherit; font-size: 14.5px;
}
.lkh-search:focus { outline: none; border-color: #0d6b6e; box-shadow: 0 0 0 3px rgba(13, 107, 110, .12); }
.lkh-body { padding: 6px 18px 20px; overflow: auto; }
.lkh-sec { padding: 14px 0; border-top: 1px solid #eef2f7; }
.lkh-sec:first-child { border-top: 0; }
.lkh-sec[hidden] { display: none; }
.lkh-sec h3 { margin: 0 0 6px; font-size: 15.5px; color: #0d6b6e; border-left: 3px solid #b8860b; padding-left: 9px; }
.lkh-sec-body { color: #3f4a5a; font-size: 14px; line-height: 1.6; }
.lkh-sec-body p { margin: 6px 0; }
.lkh-sec-body ul { margin: 6px 0 6px 4px; padding-left: 18px; }
.lkh-sec-body li { margin: 3px 0; }
.lkh-sec-body b { color: #1f2733; }
.lkh-sec-body kbd { background: #f1f5f9; border: 1px solid #cfd9e6; border-bottom-width: 2px; border-radius: 5px; padding: 0 5px; font: inherit; font-size: 12px; }
.lkh-shot { display: block; max-width: 100%; margin: 10px 0 2px; border: 1px solid #e3e9f2; border-radius: 8px; box-shadow: 0 1px 4px rgba(20, 40, 70, .08); }
.lkh-empty { padding: 24px 4px; color: #7a869a; text-align: center; }
.lkh-empty[hidden] { display: none; }

/* Header-Fragezeichen-Button: IDENTISCHE Optik wie .lk-nav-btn (Einstellungen/Benutzer).
   Markup-Klasse: "lk-nav-btn lk-help-btn" — .lk-nav-btn liefert Farbe/Hover/Padding/Radius,
   hier nur das Icon zentrieren + dimensionieren. */
.lk-help-btn { display: inline-flex; align-items: center; justify-content: center; align-self: center; }
.lk-help-btn svg { display: block; width: 19px; height: 19px; }

@media (max-width: 600px) { .lkh-card { max-width: none; } .lkh-ov { padding: 16px 8px; } }