/*
 * Shell-Modul-Sidebar (Ebene 1) — 1:1 nach docs/finnavigator_shell_navigation_v1.html
 * (Niko-Abnahme 07.06.2026, drei Gruppierungs-Varianten). Nur var(--fn-*)-Tokens.
 */

/* fn-app-shell statt fn-shell: app.css belegt .fn-shell bereits für den zentrierten
   Startseiten-Container (max-width 1500px) — die App-Shell ist volle Breite. */
.fn-app-shell { display: flex; min-height: 100vh; width: 100%; }
.fn-app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

/* EIN sanfter Uebergang bei JEDEM Ansichtswechsel (Menue-Konzept v6.1): Der Inhaltsbereich
   (@Body, per @key auf die Route neu aufgebaut) blendet weich ein — gilt fuer das OEFFNEN der
   Verwaltung (Ebene 2) UND fuer das Verlassen (Klick auf ein Modul der Ebene 1), damit Ebene 2
   nicht ruckartig verschwindet, sondern die naechste Ansicht ruhig hereinblendet.
   Weiche ease-out-Kurve, etwas laenger fuer mehr Ruhe; reduced-motion wird respektiert. */
.fn-view { flex: 1; min-width: 0; display: flex; flex-direction: column; animation: fn-view-in .5s cubic-bezier(.22, .61, .36, 1) both; }
@keyframes fn-view-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .fn-view { animation: none; } }

/* In Browsern MIT View-Transitions (Klasse vt-enabled, gesetzt von der geteilten Engine
   wwwroot/js/fn-transition.js) uebernimmt das echte Crossfade — die Einzel-Einblendung oben
   wird dann deaktiviert. Der Crossfade-Scope (view-transition-name: fn-main, ::view-transition-*)
   liegt zentral in wwwroot/css/fn-transition.css, nicht hier (keine Doppelung). */
.vt-enabled .fn-view { animation: none; }

.sn-sidebar {
  width: 264px; flex: 0 0 auto; background: var(--fn-bg-alt); border-right: 1px solid var(--fn-border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
  transition: width .15s ease;
}
.sn-sidebar.sn-collapsed { width: 64px; }

.sn-brand { display: flex; align-items: center; gap: 10px; padding: 14px 14px 14px 16px; border-bottom: 1px solid var(--fn-border); }
.sn-logo {
  width: 30px; height: 30px; border-radius: 8px; background: var(--fn-primary); color: var(--fn-on-primary);
  display: flex; align-items: center; justify-content: center; font-weight: var(--fn-font-weight-bold); font-size: 14px;
  flex: 0 0 auto;
}
.sn-name { font-weight: var(--fn-font-weight-bold); font-size: 14px; line-height: 1.2; white-space: nowrap; }
.sn-name small { display: block; font-weight: var(--fn-font-weight-regular); font-size: 10px; color: var(--fn-text-tertiary); }
.sn-collapse-btn {
  margin-left: auto; width: 26px; height: 26px; border: 1px solid var(--fn-border); background: var(--fn-surface);
  border-radius: 6px; color: var(--fn-text-secondary); cursor: pointer;
  display: flex; align-items: center; justify-content: center; padding: 0; flex: 0 0 auto;
}
.sn-collapse-btn:hover { color: var(--fn-text); border-color: var(--fn-primary); }
.sn-collapse-btn .lucide { width: 14px; height: 14px; }
.sn-collapsed .sn-brand { padding: 14px 0; flex-direction: column; gap: 8px; }
.sn-collapsed .sn-collapse-btn { margin-left: 0; }

/* Modul-Suche (Strg+K) */
.sn-search { margin: 12px 12px 2px; position: relative; }
.sn-search input {
  width: 100%; background: var(--fn-bg); border: 1px solid var(--fn-border); border-radius: 8px;
  color: var(--fn-text); font-family: var(--fn-font); font-size: 12.5px; padding: 8px 44px 8px 32px;
}
.sn-search input::placeholder { color: var(--fn-text-tertiary); }
.sn-search input:focus { outline: none; box-shadow: var(--fn-focus-ring); }
.sn-search .lucide { position: absolute; left: 10px; top: 9px; width: 14px; height: 14px; color: var(--fn-text-tertiary); }
.sn-search kbd {
  position: absolute; right: 8px; top: 7px; font-family: var(--fn-font-mono); font-size: 9.5px;
  color: var(--fn-text-tertiary); border: 1px solid var(--fn-border); border-radius: 4px;
  padding: 2px 5px; background: var(--fn-bg-muted);
}

.sn-scroll { flex: 1; overflow-y: auto; padding: 6px 0 12px; }

/* Gruppen */
.sn-group { margin-top: 10px; }
/* Gruppen-/Kapitel-Koepfe in Markenfarbe (Tuerkis), damit auch EINGEKLAPPT erkennbar ist,
   dass es klappbare Kapitel sind: eingeklappt gedaempft, aufgeklappt voll (wie im Settings-Menue). */
.sn-group-h {
  display: flex; align-items: center; gap: 8px; padding: 6px 16px; cursor: pointer;
  font-size: 10.5px; font-weight: var(--fn-font-weight-bold); letter-spacing: .10em;
  text-transform: uppercase; color: var(--fn-primary); opacity: .5; user-select: none;
  transition: opacity .16s ease;
}
.sn-group-h:hover { opacity: .75; }
.sn-group-h.sn-open { opacity: 1; }
/* Chevron 1:1 wie das Verwaltungs-Akkordeon (settings.css .cat-group-chev): sanftes Gleiten
   statt Schnappen, damit Hauptmenue und Verwaltung EINE Klapp-Mechanik teilen (eine Nutzungsreise). */
.sn-chev { margin-left: auto; width: 14px; height: 14px; color: var(--fn-primary); opacity: .55; transition: transform .4s cubic-bezier(.4, 0, .2, 1), opacity .16s ease; }
.sn-group-h.sn-open .sn-chev { opacity: 1; }
.sn-chev-closed { transform: rotate(-90deg); }
.sn-collapsed .sn-group { border-top: 1px solid var(--fn-border); margin-top: 6px; padding-top: 6px; }
.sn-collapsed .sn-group:first-child { border-top: none; }

/* Module */
.sn-item {
  display: flex; align-items: center; gap: 11px; padding: 8px 16px 8px 20px; cursor: pointer;
  color: var(--fn-text-secondary); font-size: 13px; border-left: 2px solid transparent;
  text-decoration: none;
}
.sn-item .lucide { width: 16px; height: 16px; flex: 0 0 auto; }
.sn-item:hover { background: var(--fn-hover); color: var(--fn-text); }
.sn-item.active { background: var(--fn-accent-soft); color: var(--fn-text); border-left-color: var(--fn-primary); }
.sn-item.active .lucide { color: var(--fn-primary); }
.sn-lbl { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
.sn-badge {
  margin-left: 6px; font-family: var(--fn-font-mono); font-size: 9.5px; color: var(--fn-danger);
  background: var(--fn-danger-soft); border: 1px solid var(--fn-danger-soft);
  border-radius: var(--fn-radius-pill); padding: 1px 7px;
}
.sn-pending { opacity: .45; cursor: default; }
.sn-item:focus-visible { outline: none; box-shadow: var(--fn-focus-ring) inset; color: var(--fn-text); }

/* Favoriten (gepinnte Module, immer oben) + Pin-Stern am Item */
.sn-fav-group { border-bottom: 1px solid var(--fn-border); padding-bottom: 6px; }
.sn-fav-star { width: 11px; height: 11px; color: var(--fn-cat-gold); }
.sn-pin {
  margin-left: 6px; width: 20px; height: 20px; border: none; background: transparent;
  color: var(--fn-text-tertiary); cursor: pointer; padding: 0; border-radius: 5px;
  display: inline-flex; align-items: center; justify-content: center;
  opacity: 0; flex: 0 0 auto;
}
.sn-pin .lucide { width: 13px; height: 13px; } /* Design-Groesse; ~50 % des fehlerhaften 24px-Defaults (Interop-Klassenfix 21.06.) */
.sn-item:hover .sn-pin, .sn-item:focus-visible .sn-pin { opacity: 1; }
.sn-pin:hover { color: var(--fn-cat-gold); background: var(--fn-bg-muted); }
.sn-pin.sn-pinned { opacity: 1; color: var(--fn-cat-gold); }
.sn-lbl { flex: 1; }

/* Favoriten umsortieren (Niko 21.06.): Grip-Griff (Hover) + Drop-Indikator + Rechtsklick-Menue.
   Der Grip liegt absolut in der linken Polsterung der NavLink -> verschiebt das Modul-Icon nicht. */
.sn-fav-wrap { position: relative; }
.sn-grip {
  position: absolute; left: 1px; top: 50%; transform: translateY(-50%); z-index: 2;
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 30px; padding: 0; border: none; background: transparent;
  color: var(--fn-text-tertiary); cursor: grab; opacity: 0; transition: opacity .14s ease;
  user-select: none; -webkit-user-select: none; touch-action: none;
}
.sn-fav-wrap:hover .sn-grip, .sn-fav-wrap:focus-within .sn-grip { opacity: .85; }
.sn-grip:hover { opacity: 1; color: var(--fn-text); }
.sn-grip:active { cursor: grabbing; }
.sn-grip .lucide { width: 13px; height: 15px; }
.sn-fav-wrap.sn-drop-before { box-shadow: inset 0 2px 0 0 var(--fn-primary); }
/* Ablagezone „ans Ende": nur sichtbar waehrend eines Drags (JS setzt .sn-dragging auf die Favoriten-Gruppe). */
.sn-fav-dropzone { height: 0; border-radius: var(--fn-radius-sm); transition: height .12s ease; }
.sn-fav-group.sn-dragging .sn-fav-dropzone { height: 14px; }
.sn-fav-dropzone.sn-drop-before { box-shadow: inset 0 2px 0 0 var(--fn-primary); }

/* Rechtsklick-Menue: schwebende Flaeche -> --fn-surface ist hier die korrekte Rolle. */
.sn-ctx-backdrop { position: fixed; inset: 0; z-index: 60; }
.sn-ctx-menu {
  position: fixed; z-index: 61; min-width: 172px; padding: 4px;
  background: var(--fn-surface); border: 1px solid var(--fn-border);
  border-radius: var(--fn-radius-lg); box-shadow: var(--fn-shadow-hover);
}
.sn-ctx-menu button {
  display: flex; align-items: center; gap: 9px; width: 100%;
  padding: 7px 10px; border: none; background: transparent; cursor: pointer;
  color: var(--fn-text-secondary); font: inherit; font-size: 12.5px; text-align: left;
  border-radius: var(--fn-radius-sm);
}
.sn-ctx-menu button:hover:not(:disabled) { background: var(--fn-hover); color: var(--fn-text); }
.sn-ctx-menu button:disabled { opacity: .4; cursor: default; }
.sn-ctx-menu .lucide { width: 14px; height: 14px; flex: 0 0 auto; color: var(--fn-text-tertiary); }

/* Funktions-Ebene der Favoriten (Bauplan finnavigator_shell_favorites_v1.html) */
.sn-item.sn-open { background: var(--fn-accent-soft); color: var(--fn-text); border-left-color: var(--fn-primary); }
/* Aufklapp-Pfeil sitzt jetzt LINKS (nach dem Icon, vor dem Label) -> dicht ans Icon ziehen (negative
   Margin gegen den Flex-Gap), damit das Label kaum einrueckt und der Stern rechts unberuehrt bleibt. */
/* Aufklapp-Spalte ganz links: Pfeil-Button + gleich breiter leerer Platzhalter -> alle Icons/Labels
   ueber die ganze Navigation ausgerichtet (kein Hin-und-Her zwischen auf-/nicht-aufklappbaren Eintraegen). */
.sn-expand, .sn-expand-spacer {
  flex: 0 0 16px; width: 16px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
}
.sn-expand {
  border: none; background: transparent; color: var(--fn-text-tertiary);
  cursor: pointer; padding: 0; border-radius: 5px;
}
.sn-expand-spacer { pointer-events: none; }
.sn-expand:hover { color: var(--fn-text); background: var(--fn-bg-muted); }
.sn-expand .lucide { width: 14px; height: 14px; } /* gleiche Groesse wie sn-chev + Einklapp-Button */
.sn-fn-list {
  background: var(--fn-bg); border-top: 1px solid var(--fn-border);
  border-bottom: 1px solid var(--fn-border); padding: 3px 0;
}
.sn-fn-item {
  display: flex; align-items: center; gap: 9px; padding: 7px 14px 7px 44px; cursor: pointer;
  color: var(--fn-text-secondary); font-size: 12.5px; border-left: 2px solid transparent;
  text-decoration: none;
}
.sn-fn-item .lucide { width: 13px; height: 13px; color: var(--fn-text-tertiary); }
.sn-fn-item:hover { background: var(--fn-hover); color: var(--fn-text); }
.sn-fn-item.active { background: var(--fn-accent-soft); color: var(--fn-text); border-left-color: var(--fn-primary); }
.sn-fn-item.active .lucide, .sn-fn-item:focus-visible .lucide { color: var(--fn-primary); }
.sn-fn-item:focus-visible { outline: none; box-shadow: var(--fn-focus-ring) inset; color: var(--fn-text); }
.sn-soon {
  margin-left: auto; font-size: 9px; font-weight: var(--fn-font-weight-bold); letter-spacing: .06em;
  text-transform: uppercase; color: var(--fn-text-tertiary); border: 1px dashed var(--fn-border-strong);
  border-radius: var(--fn-radius-pill); padding: 1px 7px; white-space: nowrap;
}
.sn-collapsed .sn-item { justify-content: center; padding: 9px 0; border-left-width: 0; }

/* Fuß: System-Module + Operator (Superuser, gold) */
.sn-foot { border-top: 1px solid var(--fn-border); padding: 6px 0 0; }
.sn-foot .sn-item { padding-left: 16px; }
.sn-collapsed .sn-foot .sn-item { padding-left: 0; }
.sn-operator .lucide { color: var(--fn-cat-gold); }
.sn-logout { width: 100%; background: none; border: none; font: inherit; text-align: left; }
.sn-logout .lucide { color: var(--fn-text-tertiary); }
.sn-logout:hover .lucide { color: var(--fn-danger); }
.sn-version { padding: 10px 16px 12px; font-size: 10px; color: var(--fn-text-tertiary); white-space: nowrap;
  display: flex; flex-direction: column; gap: 2px; align-items: center; text-align: center; }
.sn-version .sn-ver { font-weight: var(--fn-font-weight-bold); color: var(--fn-text-secondary); letter-spacing: .02em; }
.sn-version .sn-build { font-family: var(--fn-font-mono); color: var(--fn-text-tertiary); cursor: help; }
.sn-version .sn-copy { color: var(--fn-text-tertiary); white-space: normal; line-height: 1.35; }

/* Profil-Fuss (Konzept v6): Avatar + Name/Rolle + Postfach + Kebab, oeffnet Konto & Verwaltung */
.sn-user { display: flex; align-items: center; gap: 10px; padding: 9px 14px; cursor: pointer; }
.sn-user:hover { background: var(--fn-hover); }
.sn-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--fn-primary), var(--fn-cat-teal));
  color: var(--fn-on-primary); display: flex; align-items: center; justify-content: center;
  font-weight: var(--fn-font-weight-bold); font-size: 11px; flex: 0 0 auto;
}
.sn-who { min-width: 0; line-height: 1.15; }
.sn-who-name {
  font-size: 12.5px; font-weight: var(--fn-font-weight-medium); color: var(--fn-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sn-who-role { font-size: 10px; color: var(--fn-text-tertiary); }
.sn-user-acts { margin-left: auto; display: flex; align-items: center; gap: 7px; flex: 0 0 auto; }
.sn-iconbtn {
  width: 28px; height: 28px; border-radius: 7px; border: 1px solid var(--fn-border);
  background: var(--fn-surface); color: var(--fn-text-secondary); cursor: pointer;
  display: flex; align-items: center; justify-content: center; padding: 0;
}
.sn-iconbtn:hover { color: var(--fn-primary); border-color: var(--fn-primary); }
/* Aktiv-Zustand (Konzept v6): solange die Verwaltung/zweite Ebene offen ist, traegt das ⋮-Icon
   einen tuerkisen Rand + Markenfarbe; nochmaliger Klick schliesst die zweite Ebene und setzt zurueck. */
.sn-iconbtn.active { color: var(--fn-primary); border-color: var(--fn-primary); background: var(--fn-accent-soft); }
.sn-iconbtn .lucide { width: 15px; height: 15px; }
.sn-logout-center { justify-content: center; }
.sn-logout-center .sn-lbl { flex: 0 0 auto; }
.sn-collapsed .sn-user { flex-direction: column; gap: 9px; padding: 10px 0; }
.sn-collapsed .sn-user-acts { margin-left: 0; flex-direction: column; gap: 9px; }

/* Einstellungen → Persönliche Darstellung: Auswahl der Navigations-Variante */
.nav-variant-options { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.nav-variant-option {
  display: grid; grid-template-columns: auto auto 1fr; align-items: baseline; gap: 6px 10px;
  border: 1px solid var(--fn-border); border-radius: var(--fn-radius-sm); padding: 11px 14px;
  cursor: pointer; background: var(--fn-bg-muted);
}
.nav-variant-option:hover { border-color: var(--fn-border-strong); }
.nav-variant-option.selected { border-color: var(--fn-primary); background: var(--fn-accent-soft); }
.nav-variant-option input { accent-color: var(--fn-primary); }
.nav-variant-option .nv-name { font-size: 13px; font-weight: var(--fn-font-weight-medium); color: var(--fn-text); }
.nav-variant-option .nv-groups {
  grid-column: 2 / -1; font-size: 11.5px; color: var(--fn-text-tertiary); line-height: 1.5;
}