/* ── Brand colours ─────────────────────────────────────────────────────── */
:root {
  --ch-primary: #2455FF;
  --ch-primary-tint: #EEF2FF;
  --ch-sidebar-width: 240px;
  --ch-sidebar-collapsed: 60px;
}

/* ── Sidebar ────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--ch-sidebar-width);
  min-height: 100vh;
  background: #fff;
  border-inline-end: 1px solid #e9ecef;
  display: flex;
  flex-direction: column;
  transition: width 0.2s ease;
  flex-shrink: 0;
}

.sidebar.collapsed {
  width: var(--ch-sidebar-collapsed);
}

.sidebar .nav-link {
  color: #495057;
  transition: background 0.15s, color 0.15s;
  font-size: 0.875rem;
}

.sidebar .nav-link:hover {
  background: var(--ch-primary-tint);
  color: var(--ch-primary);
}

.sidebar .nav-link.active {
  background: var(--ch-primary-tint);
  color: var(--ch-primary);
  font-weight: 600;
}

/* ── Topbar ─────────────────────────────────────────────────────────────── */
.topbar {
  min-height: 56px;
  z-index: 100;
}

/* ── Avatar initials ────────────────────────────────────────────────────── */
.avatar-initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ch-primary-tint);
  color: var(--ch-primary);
  font-weight: 700;
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ── Ghost button ───────────────────────────────────────────────────────── */
.btn-ghost {
  background: transparent;
  border: none;
  padding: 0.25rem 0.5rem;
}

.btn-ghost:hover {
  background: var(--ch-primary-tint);
}

/* ── Primary brand on Bootstrap components ──────────────────────────────── */
.btn-primary {
  background-color: var(--ch-primary);
  border-color: var(--ch-primary);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #1a3fd9;
  border-color: #1a3fd9;
}

.text-primary { color: var(--ch-primary) !important; }
.bg-primary { background-color: var(--ch-primary) !important; }

.bg-primary-subtle {
  background-color: var(--ch-primary-tint) !important;
}

/* ── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #dee2e6; border-radius: 3px; }

/* ── RTL tweaks (Bootstrap RTL handles most, these are extras) ──────────── */
[dir="rtl"] .sidebar {
  border-inline-end: none;
  border-inline-start: 1px solid #e9ecef;
}

[dir="rtl"] .brand-icon {
  margin-inline-end: 0.5rem;
  margin-inline-start: 0;
}

/* ── Responsive collapse sidebar on small screens ───────────────────────── */
@media (max-width: 767px) {
  .sidebar:not(.collapsed) {
    position: fixed;
    z-index: 999;
    box-shadow: 4px 0 12px rgba(0, 0, 0, 0.1);
  }
  .main-area {
    margin-inline-start: 0 !important;
  }
}

/* ── Card shadows ───────────────────────────────────────────────────────── */
.card.shadow-sm { box-shadow: 0 1px 6px rgba(0,0,0,.06) !important; }

/* ── Blazor loading indicator override ─────────────────────────────────── */
#blazor-error-ui {
  background: #ffdd57;
  bottom: 0;
  box-shadow: 0 -1px 2px rgba(0,0,0,.2);
  display: none;
  left: 0;
  padding: 0.6rem 1.25rem 0.7rem;
  position: fixed;
  width: 100%;
  z-index: 1000;
}

#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }