html, body { height: 100%; }
body { background: #f8f9fa; }
.portal-navbar { background: #2196f3; padding-top: 4px; padding-bottom: 4px; min-height: var(--nav-h); }
.portal-navbar .navbar-brand img { width: 125px; height: 45px; object-fit: contain; }

.app-shell { --nav-h:60px; min-height:100vh; display:grid; grid-template-rows: var(--nav-h) 1fr; }
.app-main { display:grid; grid-template-columns: 240px 1fr; min-height:calc(100vh - var(--nav-h)); min-width:0; }

.sidebar {
  background:#fff;
  border-right:1px solid rgba(0,0,0,.08);
  overflow:hidden;
  position: relative;
  display:flex;
  flex-direction:column;
}
main.content { position: relative; }
main.content { min-width:0; overflow:auto; padding:16px; }
.sidebar .nav { gap: 6px; flex: 1 1 auto; overflow: auto; }
.sidebar-footer {
  margin-top: auto;
  padding: 8px 10px 12px;
  font-size: 0.7rem;
  color: #9aa4b2;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

.nav-link { color:#212529; border:1px solid rgba(0,0,0,.12); }
.nav-link:hover { color:#0d6efd; background: rgba(13,110,253,.06); }
.nav-link.active{
  color:#0d6efd;
  background: rgba(13,110,253,.12);
  border-color:#0d6efd;
  font-weight:600;
  border-left:3px solid #0d6efd;
  padding-left: 0.55rem;
}

.unauth .app-main { grid-template-columns: 1fr; }
.unauth .sidebar { display:none; }
.unauth main.content {
  display:flex; align-items:center; justify-content:center;
  min-height: calc(100vh - var(--nav-h));
}
.unauth .content-inner { width:100%; max-width:420px }

.sidebar .nav-link .chevron{
  display:inline-grid; place-items:center;
  width:26px; height:26px; border-radius:999px;
  background:rgba(0,0,0,.06);
  font-weight:700; line-height:1;
}

.sidebar-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:8px 10px 6px 10px;
  border-bottom:1px solid rgba(0,0,0,.06);
}
.sidebar-title{
  font-size:.85rem;
  font-weight:600;
  color:#6c757d;
  text-transform:uppercase;
  letter-spacing:.02em;
}
.sidebar-section{
  font-size:.7rem;
  font-weight:600;
  color:#94a3b8;
  text-transform:uppercase;
  letter-spacing:.08em;
  padding:6px 10px;
}
.sidebar-toggle{
  width:26px;
  height:26px;
  border-radius:999px;
  border:1px solid rgba(108,117,125,.4);
  background:#f1f3f5;
  color:#495057;
  display:grid;
  place-items:center;
  cursor:pointer;
  box-shadow:0 4px 10px rgba(0,0,0,.08);
}
.sidebar-toggle .chev{ display:none; font-size:16px; line-height:1; font-weight:700; }
.sidebar-toggle:hover{ background:#e9ecef; }
.sidebar-collapsed .sidebar-toggle .chevr-right{ display:block; }
.sidebar-expanded .sidebar-toggle .chevr-left{ display:block; }

.sidebar-collapsed .app-main { grid-template-columns: 16px 1fr; }
.sidebar-collapsed .sidebar {
  width: 16px;
  padding: 0;
  border-right: 1px solid rgba(0,0,0,.08);
  overflow: hidden;
  background: #e9ecef;
}
.sidebar-collapsed .sidebar .nav { display: none; }
.sidebar-collapsed .sidebar-toggle{
  position: fixed;
  top: calc(var(--nav-h) + 8px);
  left: 16px;
  z-index: 1055;
  transform: translateX(-50%);
}

.toast-host {
  margin-bottom: 12px;
}
.toast-host .alert {
  margin-bottom: 10px;
  border-radius: 10px;
  font-size: .9rem;
  padding: .5rem .75rem;
}
.toast-host .btn-close {
  padding: .4rem .6rem;
}