/*
 * 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; }

.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; }
.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-text-tertiary); user-select: none;
}
.sn-group-h:hover { color: var(--fn-text-secondary); }
.sn-chev { margin-left: auto; width: 12px; height: 12px; transition: transform .15s; }
.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; }
.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; }

/* 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); }
.sn-expand {
  margin-left: 2px; width: 18px; height: 18px; 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; flex: 0 0 auto;
}
.sn-expand:hover { color: var(--fn-text); background: var(--fn-bg-muted); }
.sn-expand .lucide { width: 12px; height: 12px; }
.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; }

/* 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;
}