/* Menu boczne (nawigacja) */

.nav{display:flex;flex-direction:column;gap:12px;flex:1 1 auto;overflow:auto;padding-right:2px}

/* Grupy (details/summary) */
.nav-group{padding:0;margin:0;display:block}
.nav-group > summary.nav-group-title{
  list-style:none;
  cursor:pointer;
  user-select:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 10px;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:rgba(255,255,255,0.02);
  color:rgba(234,240,255,.90);
  font-size:12px;
  font-weight:950;
  text-transform:uppercase;
  letter-spacing:.08em;
  margin:0;
}
.nav-group > summary.nav-group-title::-webkit-details-marker{display:none}
.nav-group > summary.nav-group-title::after{
  content:"▾";
  opacity:.75;
  font-size:12px;
  transform:rotate(0deg);
  transition:transform .14s ease;
}
.nav-group:not([open]) > summary.nav-group-title::after{transform:rotate(-90deg)}

.nav-group-items{display:flex;flex-direction:column;gap:6px;margin-top:8px;padding-left:2px}

.nav-item{
  color:var(--text);
  text-decoration:none;
  padding:10px 10px;
  border-radius:var(--radius-lg);
  border:1px solid transparent;
  background:transparent;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:38px;
}
.nav-item:hover{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.06)}
.nav-item.active{background:color-mix(in srgb, var(--accent) 16%, rgba(255,255,255,0.02));border-color:color-mix(in srgb, var(--accent) 36%, rgba(255,255,255,0.06))}

/* Podgrupy */
.nav-sub{margin-top:6px;padding-left:10px;border-left:1px dashed rgba(255,255,255,.12)}
.nav-sub > summary.nav-sub-title{
  list-style:none;
  cursor:pointer;
  user-select:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:9px 10px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.015);
  color:rgba(234,240,255,.82);
  font-size:12px;
  font-weight:850;
  margin:0;
}
.nav-sub > summary.nav-sub-title::-webkit-details-marker{display:none}
.nav-sub > summary.nav-sub-title::after{
  content:"▾";
  opacity:.70;
  font-size:12px;
  transform:rotate(0deg);
  transition:transform .14s ease;
}
.nav-sub:not([open]) > summary.nav-sub-title::after{transform:rotate(-90deg)}
.nav-sub-items{display:flex;flex-direction:column;gap:6px;margin-top:8px;padding-left:2px}

/* Zaloguj/Wyloguj zawsze widoczne */
.nav-auth{
  margin-top:auto;
  padding-top:12px;
  background:linear-gradient(180deg, rgba(12,16,24,0.00) 0%, rgba(12,16,24,0.60) 30%, rgba(12,16,24,0.92) 100%);
  border-top:1px solid rgba(255,255,255,0.08);
}

.nav-auth-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  width:100%;
  padding:11px 12px;
  border-radius:var(--radius-lg);
  border:1px solid color-mix(in srgb, var(--accent) 28%, rgba(255,255,255,0.06));
  background:color-mix(in srgb, var(--accent) 14%, rgba(255,255,255,0.02));
  color:rgba(234,240,255,.95);
  font-weight:950;
  letter-spacing:.02em;
}
.nav-auth-btn:hover{background:color-mix(in srgb, var(--accent) 20%, rgba(255,255,255,0.02));border-color:color-mix(in srgb, var(--accent) 46%, rgba(255,255,255,0.06))}
.nav-auth-btn:active{transform:translateY(1px)}

@media (max-width: 900px){
  .nav{gap:10px}
  .nav-group-items{gap:4px}
  .nav-item{padding:9px 10px}
  .nav-sub{padding-left:8px}
  .nav-sub-items{gap:4px}
}