/* =====================================================================
   MKB Zentralverwaltung — Plattform-Navigation (Sidebar)
   Ueberschreibt die alte .side-nav (ZEP-only). Reines CSS, kein Framework.
   ===================================================================== */
:root{
  --nav-bg:#0d2a2a;             /* Teal-Dunkel (Sidebar) */
  --nav-bg-2:#0a2120;          /* dunklere Variante (Verlauf) */
  --nav-ink:#e9efee;           /* helle Schrift */
  --nav-muted:#7f9b97;         /* gedimmte Schrift / Sub-Items */
  --nav-line:rgba(255,255,255,.08);
  --nav-accent:#f57c00;        /* Orange (Akzent/aktiv/Badge) */
  --nav-accent-soft:rgba(245,124,0,.16);
  --nav-w:266px;
}

/* ---- Sidebar-Grundgeruest (override) -------------------------------- */
.side-nav{
  background:linear-gradient(180deg,var(--nav-bg) 0%,var(--nav-bg-2) 100%);
  color:var(--nav-ink);
  width:var(--nav-w);max-width:88vw;
  box-shadow:0 0 44px rgba(0,0,0,.30);
  border-right:1px solid rgba(0,0,0,.2);
}

/* ---- Brand / Logo oben ---------------------------------------------- */
.nav-brand{
  display:flex;align-items:center;gap:11px;
  padding:18px 18px 15px;border-bottom:1px solid var(--nav-line);
}
.nav-brand .mkb-badge{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  background:var(--nav-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.8rem;letter-spacing:.4px;
  box-shadow:0 3px 10px rgba(245,124,0,.42);
}
.nav-brand .brand-text{font-weight:700;font-size:.99rem;line-height:1.15;color:#fff}
.nav-brand .brand-text small{
  display:block;font-weight:500;font-size:.67rem;color:var(--nav-muted);
  letter-spacing:.4px;margin-top:3px;text-transform:uppercase;
}
.nav-brand .nav-close{color:var(--nav-muted);margin-left:auto}

/* ---- Firma-Switcher (nur Master) ------------------------------------ */
.nav-company{padding:13px 16px;border-bottom:1px solid var(--nav-line)}
.nav-company .ms-badge{
  display:inline-block;font-size:.6rem;font-weight:700;letter-spacing:.4px;
  color:var(--nav-accent);margin-bottom:6px;text-transform:uppercase;
}
.nav-company select{
  width:100%;background:rgba(255,255,255,.06);color:#fff;
  border:1px solid var(--nav-line);border-radius:9px;
  padding:9px 10px;font-size:.85rem;cursor:pointer;
  -webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path fill='%237f9b97' d='M2 4l4 4 4-4z'/></svg>");
  background-repeat:no-repeat;background-position:right 10px center;
}
.nav-company select option{color:#1a1a2e}

/* ---- Liste ----------------------------------------------------------- */
.nav-items{list-style:none;margin:0;padding:8px 0;flex:1;overflow-y:auto}
.nav-items::-webkit-scrollbar{width:7px}
.nav-items::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:4px}

/* ---- Gruppe (Haupt-Menuepunkt mit Akkordeon) ------------------------ */
.nav-group{margin:1px 0}
.nav-group .nav-head{
  display:flex;align-items:center;gap:13px;width:100%;
  padding:12px 18px;background:none;border:0;cursor:pointer;text-align:left;
  color:var(--nav-ink);font-size:.93rem;font-weight:600;font-family:inherit;
  border-left:3px solid transparent;
}
.nav-group .nav-head:hover{background:rgba(255,255,255,.05)}
.nav-group .nav-icon{width:22px;text-align:center;font-size:1.02rem;flex:0 0 auto;color:inherit}
.nav-group .nav-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-group .nav-caret{
  font-size:.62rem;color:var(--nav-muted);transition:transform .2s ease;flex:0 0 auto;
}
.nav-group.open > .nav-head .nav-caret{transform:rotate(90deg)}

/* aktive Gruppe (enthaelt aktuelle Seite) */
.nav-group.is-active > .nav-head{
  border-left-color:var(--nav-accent);
  background:rgba(255,255,255,.04);
}

/* "Bald"-Badge fuer ausgegraute Gruppen */
.badge-soon{
  background:var(--nav-accent);color:#fff;font-size:.58rem;font-weight:700;
  padding:2px 7px;border-radius:10px;letter-spacing:.4px;flex:0 0 auto;text-transform:uppercase;
}

/* ausgegraute (bald verfuegbare) Gruppe */
.nav-group.disabled > .nav-head{opacity:.45}
.nav-group.disabled > .nav-head:hover{background:rgba(255,255,255,.03)}

/* ---- Untermenue ------------------------------------------------------ */
.nav-sub{
  list-style:none;margin:0;padding:0;
  max-height:0;overflow:hidden;transition:max-height .28s ease;
}
.nav-group.open > .nav-sub{max-height:520px}
.nav-sub li > a,
.nav-sub li > span{
  display:flex;align-items:center;gap:10px;position:relative;
  padding:10px 18px 10px 53px;font-size:.85rem;font-weight:500;
  color:var(--nav-muted);
}
.nav-sub li > a{cursor:pointer}
.nav-sub li > a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-sub li > a.active{color:#fff;background:var(--nav-accent-soft)}
.nav-sub li > a.active::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--nav-accent);
}
.nav-sub li > a::after,
.nav-sub li > span::after{content:""}
.nav-sub li > span.soon{opacity:.55;cursor:not-allowed}
.nav-sub li > span.soon::before{
  content:"•";position:absolute;left:34px;color:var(--nav-muted);opacity:.6;
}
.nav-sub li > a::marker{content:none}

/* ---- Trenner + Footer ------------------------------------------------ */
.nav-sep{height:1px;background:var(--nav-line);margin:10px 16px}
.nav-foot{
  padding:14px 18px;border-top:1px solid var(--nav-line);
  font-size:.78rem;color:var(--nav-muted)
}
.nav-foot a.logout{
  display:flex;align-items:center;gap:10px;color:var(--nav-ink);
  font-weight:500;font-size:.88rem;padding:8px 0 10px;
}
.nav-foot a.logout:hover{color:#fff}
.nav-foot .who{color:var(--nav-muted);line-height:1.4}
.nav-foot .who strong{color:var(--nav-ink);font-weight:600;display:block}

/* ---- Overlay (mobil) ------------------------------------------------- */
.nav-overlay{background:rgba(8,18,18,.55)}

/* =====================================================================
   Desktop: Sidebar dauerhaft sichtbar, Inhalt nach rechts geschoben
   ===================================================================== */
@media (min-width:900px){
  .side-nav{transform:none !important;box-shadow:none;border-right:1px solid rgba(0,0,0,.18)}
  .nav-overlay{display:none !important}
  .hamburger{display:none !important}
  .nav-brand .nav-close{display:none}
  .app,
  .app-header{margin-left:var(--nav-w)}
  .legal{margin-left:var(--nav-w)}
  .app-header{max-width:none;padding-left:24px;padding-right:24px}
  .app-header .app-title{max-width:480px;margin:0 auto;width:100%}
}

/* Mobil: Sidebar bleibt slide-in (alte Logik), nur Optik neu */
@media (max-width:899px){
  .app-title{flex:1}
}