/* ---- Sidebar sizes ---- */
:root{
  --sb-collapsed: 78px;
  --sb-expanded: 210px;
}

/* layout */
.app{
  display: grid;
  grid-template-columns: var(--sb-collapsed) 1fr;
  min-height: 100vh;
}

/* sidebar base */
.sidebar{
  height: 100vh;
  position: sticky;
  top: 0;

  background: #2E3062;
  color: #fff;

  /* 🔑 dit maakt footer onderaan makkelijk */
  display: flex;
  flex-direction: column;

  overflow: hidden;
  width: var(--sb-collapsed);
  transition: width 180ms ease;
}

/* hover = uitklappen */
.sidebar:hover{
  width: var(--sb-expanded);
}

/* content mee laten schuiven (werkt in moderne browsers) */
.app:has(.sidebar:hover){
  grid-template-columns: var(--sb-expanded) 1fr;
}

/* nav list */
.sidebar-nav{
  display: grid;
  gap: 10px;
  padding: 18px 10px 10px;
}

/* nav item */
.nav-item{
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: center;
  gap: 10px;

  height: 46px;
  border-radius: 12px;

  text-decoration: none;
  color: #fff;

  padding: 0 10px;
  transition: background .12s ease;
}

.nav-item:hover{
  background: rgba(255,255,255,0.10);
}

/* icon bubble */
.nav-item .icon{
  width: 40px;
  height: 40px;
  border-radius: 12px;

  display: grid;
  place-items: center;

  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.18);

  font-weight: 800;
}

/* label hidden when collapsed */
.nav-item .label{
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 140ms ease, transform 140ms ease;
  white-space: nowrap;
}

/* label shows when expanded */
.sidebar:hover .nav-item .label{
  opacity: 1;
  transform: translateX(0);
}

/* footer altijd onderaan */
.sidebar-footer{
  margin-top: auto;          /* 🔑 */
  font-size: 12px;
  opacity: 0.8;
  padding: 0 14px 12px;
}

/* Mobile: hover werkt vaak niet, dus blijf collapsed */
@media (max-width: 720px){
  .app{
    grid-template-columns: var(--sb-collapsed) 1fr;
  }
  .app:has(.sidebar:hover){
    grid-template-columns: var(--sb-collapsed) 1fr;
  }
}