/* ═══════════════════════════════════════════════════════════════════════════
   Admin Dashboard — Collapsible sidebar layout + dark mode
   Requires: Bootstrap 5, Bootstrap Icons, site.css custom properties
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Admin theme tokens ─────────────────────────────────────────────────── */
:root {
  --admin-sidebar-w: 256px;
  --admin-sidebar-collapsed-w: 64px;
  --admin-topbar-h: 60px;

  /* ── Landing-page palette (matched exactly) ── */
  --admin-navy:        #1A2447;
  --admin-navy-deep:   #11193A;
  --admin-green:       #2DC76D;
  --admin-green-deep:  #22B05E;
  --admin-mint:        #D8F3E3;
  --admin-mint-soft:   #EAF8F0;
  --admin-coral:       #F2BAB1;
  --admin-teal:        #1FB39F;

  --admin-sidebar-bg: #ffffff;
  --admin-sidebar-text: #54607A;
  --admin-sidebar-text-active: #1A2340;
  --admin-sidebar-hover-bg: #ECF3F8;
  --admin-sidebar-active-bg: #E8F7FD;
  --admin-sidebar-active-border: #F7A600;
  --admin-content-bg: #F4F7FB;
  --admin-card-bg: #ffffff;
  --admin-card-border: #e8f0ea;
  --admin-topbar-bg: #ffffff;
  --admin-topbar-border: #e8f0ea;
  --admin-text: #1A2447;
  --admin-text-muted: #6B7C9A;

  /* Stat accent palette */
  --admin-stat-1: #1A2447;
  --admin-stat-2: #2DC76D;
  --admin-stat-3: #F2BAB1;
  --admin-stat-4: #1FB39F;
  --admin-stat-5: #5B5FED;
  --admin-stat-6: #4FC3F7;

  --admin-accent: #2DC76D;
  --admin-accent-deep: #22B05E;
  --admin-accent-soft: #D8F3E3;
  --admin-transition: 0.22s cubic-bezier(0.4,0,0.2,1);
  --admin-font: 'Poppins', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

[data-theme="dark"] {
  --admin-sidebar-bg: #ffffff;
  --admin-sidebar-text: #54607A;
  --admin-sidebar-text-active: #1A2340;
  --admin-sidebar-hover-bg: #ECF3F8;
  --admin-sidebar-active-bg: #E8F7FD;
  --admin-content-bg: #0f1117;
  --admin-card-bg: #1a1f2e;
  --admin-card-border: #2a3042;
  --admin-topbar-bg: #1a1f2e;
  --admin-topbar-border: #2a3042;
  --admin-text: #f1f5f9;
  --admin-text-muted: #94a3b8;
}

/* ── Shell layout ───────────────────────────────────────────────────────── */
html, body { height: 100%; }

body.admin-body {
  background: var(--admin-content-bg);
  color: var(--admin-text);
  font-family: var(--font-display, var(--admin-font));
  transition: background var(--admin-transition), color var(--admin-transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.admin-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────────────────────── */
.admin-sidebar {
  width: var(--admin-sidebar-w);
  min-height: 100vh;
  background: var(--admin-sidebar-bg);
  border-right: 1px solid #DDE8F0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1040;
  transition: width var(--admin-transition), transform var(--admin-transition);
  overflow: hidden;
  will-change: width;
}

.admin-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1.25rem;
  height: var(--admin-topbar-h);
  border-bottom: 1px solid #DDE8F0;
  text-decoration: none;
  flex-shrink: 0;
  min-width: var(--admin-sidebar-w);
}

.admin-sidebar-brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #2DC76D, #1FB39F);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}

.admin-sidebar-brand-text {
  font-weight: 700;
  font-size: 1rem;
  color: #1A2340;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--admin-transition), width var(--admin-transition);
}

.admin-sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.75rem 0;
  scrollbar-width: thin;
  scrollbar-color: #DDE8F0 transparent;
}

.admin-sidebar-nav::-webkit-scrollbar { width: 4px; }
.admin-sidebar-nav::-webkit-scrollbar-thumb { background: #DDE8F0; border-radius: 4px; }

.admin-nav-section {
  padding: 0.4rem 0.75rem 0.2rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #97A4B8;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--admin-transition);
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 1.25rem;
  color: var(--admin-sidebar-text);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background var(--admin-transition), color var(--admin-transition), border-color var(--admin-transition);
  white-space: nowrap;
  position: relative;
  cursor: pointer;
}

.admin-nav-item:hover {
  background: var(--admin-sidebar-hover-bg);
  color: var(--admin-sidebar-text-active);
}

.admin-nav-item.active {
  background: var(--admin-sidebar-active-bg);
  color: var(--admin-sidebar-text-active);
  border-left-color: var(--admin-sidebar-active-border);
}

.admin-nav-item i {
  font-size: 1.05rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.admin-nav-label {
  transition: opacity var(--admin-transition), width var(--admin-transition);
  overflow: hidden;
}

.admin-nav-badge {
  margin-left: auto;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15em 0.5em;
  border-radius: 999px;
  background: var(--admin-stat-4);
  color: #fff;
  flex-shrink: 0;
  transition: opacity var(--admin-transition);
}

/* Sidebar footer */
.admin-sidebar-footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid #DDE8F0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: var(--admin-sidebar-w);
}

.admin-sidebar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2DC76D, #1FB39F);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.8rem;
  flex-shrink: 0;
  font-weight: 700;
}

.admin-sidebar-user-info {
  overflow: hidden;
  transition: opacity var(--admin-transition), width var(--admin-transition);
}

.admin-sidebar-user-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: #1A2340;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-sidebar-user-role {
  font-size: 0.7rem;
  color: var(--admin-sidebar-text);
}

/* ── Collapsed state ────────────────────────────────────────────────────── */
.admin-shell.sidebar-collapsed .admin-sidebar {
  width: var(--admin-sidebar-collapsed-w);
}

.admin-shell.sidebar-collapsed .admin-sidebar-brand-text,
.admin-shell.sidebar-collapsed .admin-nav-label,
.admin-shell.sidebar-collapsed .admin-nav-badge,
.admin-shell.sidebar-collapsed .admin-sidebar-user-info,
.admin-shell.sidebar-collapsed .admin-nav-section { opacity: 0; pointer-events: none; }

.admin-shell.sidebar-collapsed .admin-nav-item { padding-left: 0; padding-right: 0; justify-content: center; border-left-color: transparent !important; }
.admin-shell.sidebar-collapsed .admin-nav-item.active::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--portal-accent, var(--admin-accent));
  border-radius: 3px 0 0 3px;
}

/* Tooltip on collapsed sidebar */
.admin-shell.sidebar-collapsed .admin-nav-item[data-bs-toggle="tooltip"] { cursor: pointer; }

/* ── Main content area ──────────────────────────────────────────────────── */
.admin-content {
  margin-left: var(--admin-sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--admin-transition);
}

.admin-shell.sidebar-collapsed .admin-content {
  margin-left: var(--admin-sidebar-collapsed-w);
}

/* ── Top bar ────────────────────────────────────────────────────────────── */
.admin-topbar {
  height: var(--admin-topbar-h);
  background: var(--admin-topbar-bg);
  border-bottom: 1px solid var(--admin-topbar-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background var(--admin-transition), border-color var(--admin-transition);
}

.admin-topbar-toggle {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--admin-text-muted);
  cursor: pointer;
  transition: background var(--admin-transition), color var(--admin-transition);
  flex-shrink: 0;
}

.admin-topbar-toggle:hover { background: var(--admin-card-border); color: var(--admin-text); }

.admin-topbar-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--admin-text);
  flex: 1;
}

.admin-topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-icon-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--admin-card-border);
  background: var(--admin-card-bg);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--admin-text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--admin-transition), color var(--admin-transition), border-color var(--admin-transition);
  font-size: 1rem;
  position: relative;
  flex-shrink: 0;
}

.admin-icon-btn:hover { background: var(--admin-content-bg); color: var(--admin-text); }

.admin-icon-btn .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  font-size: 0.55rem;
  padding: 2px 4px;
}

/* ── Page body ──────────────────────────────────────────────────────────── */
.admin-page {
  flex: 1;
  padding: 1.5rem;
  overflow-x: hidden;
}

/* ── Stat cards ─────────────────────────────────────────────────────────── */
.admin-stat-card {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-card-border);
  border-radius: 14px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: box-shadow var(--admin-transition), transform var(--admin-transition), background var(--admin-transition);
  cursor: default;
}

.admin-stat-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.admin-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.admin-stat-body { min-width: 0; }

.admin-stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--admin-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-stat-label {
  font-size: 0.78rem;
  color: var(--admin-text-muted);
  font-weight: 500;
  margin-top: 0.15rem;
}

.admin-stat-delta {
  font-size: 0.72rem;
  font-weight: 600;
  margin-top: 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.admin-stat-delta.up { color: #4ED28C; }
.admin-stat-delta.down { color: #ef4444; }

/* ── Admin cards ────────────────────────────────────────────────────────── */
.admin-card {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-card-border);
  border-radius: 14px;
  transition: background var(--admin-transition), border-color var(--admin-transition);
}

.admin-card-header {
  padding: 1rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--admin-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.admin-card-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--admin-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-card-body { padding: 1.25rem; }

/* ── Filter bar ─────────────────────────────────────────────────────────── */
.admin-filter-bar {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-card-border);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  transition: background var(--admin-transition);
}

.admin-filter-bar .form-select,
.admin-filter-bar .form-control {
  background: var(--admin-content-bg);
  border-color: var(--admin-card-border);
  color: var(--admin-text);
  font-size: 0.82rem;
  height: 34px;
  padding-top: 0.3rem;
  padding-bottom: 0.3rem;
}

/* ── Table ──────────────────────────────────────────────────────────────── */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.admin-table th {
  padding: 0.75rem 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--admin-text-muted);
  border-bottom: 1px solid var(--admin-card-border);
  background: var(--admin-card-bg);
  white-space: nowrap;
}

.admin-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--admin-card-border);
  color: var(--admin-text);
  vertical-align: middle;
}

.admin-table tbody tr:last-child td { border-bottom: none; }

.admin-table tbody tr:hover td { background: rgba(0,0,0,0.02); }

[data-theme="dark"] .admin-table tbody tr:hover td { background: rgba(255,255,255,0.03); }

/* ── Activity feed ──────────────────────────────────────────────────────── */
.activity-feed { padding: 0.25rem 0; }

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--admin-card-border);
  transition: background var(--admin-transition);
}

.activity-item:last-child { border-bottom: none; }
.activity-item:hover { background: var(--admin-content-bg); }

.activity-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.activity-body { flex: 1; min-width: 0; }

.activity-action {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--admin-text);
}

.activity-detail {
  font-size: 0.77rem;
  color: var(--admin-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.activity-time {
  font-size: 0.72rem;
  color: var(--admin-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Chart containers ───────────────────────────────────────────────────── */
.chart-container {
  position: relative;
  height: 220px;
}

.chart-container-lg {
  position: relative;
  height: 260px;
}

/* ── Dark mode toggle ───────────────────────────────────────────────────── */
.theme-toggle {
  width: 36px;
  height: 36px;
  border: 1px solid var(--admin-card-border);
  background: var(--admin-card-bg);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--admin-text-muted);
  cursor: pointer;
  transition: background var(--admin-transition), color var(--admin-transition);
  font-size: 1rem;
}

.theme-toggle:hover { color: var(--admin-text); background: var(--admin-content-bg); }

/* ── Sidebar overlay (mobile) ───────────────────────────────────────────── */
.admin-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1039;
  backdrop-filter: blur(2px);
}

/* ── Status badges ──────────────────────────────────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2em 0.65em;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}

.status-badge.approved { background: #dcfce7; color: #166534; }
.status-badge.pending  { background: #fef9c3; color: #854d0e; }
.status-badge.rejected { background: #fee2e2; color: #991b1b; }
.status-badge.active   { background: #dbeafe; color: #1e40af; }
.status-badge.disabled { background: #f3f4f6; color: #6b7280; }

[data-theme="dark"] .status-badge.approved { background: rgba(78,210,140,0.15);  color: #6EE7A0; }
[data-theme="dark"] .status-badge.pending  { background: rgba(255,209,102,0.15); color: #FFD166; }
[data-theme="dark"] .status-badge.rejected { background: rgba(239,68,68,0.15);   color: #f87171; }
[data-theme="dark"] .status-badge.active   { background: rgba(78,210,140,0.12);  color: #6EE7A0; }
[data-theme="dark"] .status-badge.disabled { background: rgba(100,116,139,0.15); color: #94a3b8; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .admin-sidebar {
    transform: translateX(-100%);
    width: var(--admin-sidebar-w) !important;
    box-shadow: 4px 0 16px rgba(26,35,64,0.08);
  }

  .admin-shell.sidebar-mobile-open .admin-sidebar {
    transform: translateX(0);
  }

  .admin-shell.sidebar-mobile-open .admin-sidebar-overlay {
    display: block;
  }

  .admin-content {
    margin-left: 0 !important;
  }

  .admin-sidebar-brand-text,
  .admin-nav-label,
  .admin-nav-badge,
  .admin-sidebar-user-info,
  .admin-nav-section {
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  .admin-nav-item {
    padding-left: 1.25rem !important;
    padding-right: 1.25rem !important;
    justify-content: flex-start !important;
    border-left-color: transparent;
  }

  .admin-nav-item.active {
    border-left-color: var(--admin-sidebar-active-border) !important;
  }
}

@media (max-width: 575.98px) {
  .admin-page { padding: 1rem; }
  .admin-stat-value { font-size: 1.35rem; }
}

/* ── Dark mode overrides for legacy admin view classes ──────────────────── */
[data-theme="dark"] .card,
[data-theme="dark"] .stat-card {
  background: var(--admin-card-bg) !important;
  border-color: var(--admin-card-border) !important;
  color: var(--admin-text) !important;
}

[data-theme="dark"] .page-header h4,
[data-theme="dark"] .page-header p { color: var(--admin-text) !important; }

[data-theme="dark"] .table { color: var(--admin-text); }
[data-theme="dark"] .table th,
[data-theme="dark"] .table td { border-color: var(--admin-card-border) !important; }
[data-theme="dark"] .table thead th { background: var(--admin-card-bg) !important; color: var(--admin-text-muted) !important; }
[data-theme="dark"] .table-hover tbody tr:hover td { background: rgba(255,255,255,0.04) !important; }
[data-theme="dark"] .table-striped tbody tr:nth-child(odd) td { background: rgba(255,255,255,0.03) !important; }

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background: #0f172a !important;
  border-color: var(--admin-card-border) !important;
  color: var(--admin-text) !important;
}

[data-theme="dark"] .form-control::placeholder { color: var(--admin-text-muted) !important; }

[data-theme="dark"] .text-muted { color: var(--admin-text-muted) !important; }

[data-theme="dark"] .quick-action {
  background: var(--admin-card-bg) !important;
  border-color: var(--admin-card-border) !important;
  color: var(--admin-text) !important;
}

[data-theme="dark"] .quick-action:hover {
  background: rgba(78,210,140,0.14) !important;
}

[data-theme="dark"] .dropdown-menu {
  background: var(--admin-card-bg) !important;
  border-color: var(--admin-card-border) !important;
}

[data-theme="dark"] .dropdown-item { color: var(--admin-text) !important; }
[data-theme="dark"] .dropdown-item:hover { background: rgba(255,255,255,0.06) !important; }
[data-theme="dark"] .dropdown-divider { border-color: var(--admin-card-border) !important; }

[data-theme="dark"] .btn-outline-primary {
  border-color: #4ED28C !important;
  color: #86E8B9 !important;
}
[data-theme="dark"] .btn-outline-secondary {
  border-color: var(--admin-card-border) !important;
  color: var(--admin-text-muted) !important;
}
[data-theme="dark"] .btn-light {
  background: var(--admin-card-bg) !important;
  border-color: var(--admin-card-border) !important;
  color: var(--admin-text) !important;
}

[data-theme="dark"] .alert-success {
  background: rgba(78,210,140,0.12) !important;
  border-color: rgba(78,210,140,0.25) !important;
  color: #6EE7A0 !important;
}
[data-theme="dark"] .alert-danger {
  background: rgba(239,68,68,0.12) !important;
  border-color: rgba(239,68,68,0.25) !important;
  color: #f87171 !important;
}

[data-theme="dark"] .badge.bg-danger   { background-color: #b91c1c !important; }
[data-theme="dark"] .badge.bg-warning  { background-color: #b45309 !important; }
[data-theme="dark"] .badge.bg-success  { background-color: #047857 !important; }
[data-theme="dark"] .badge.bg-secondary{ background-color: #334155 !important; }

/* ── User avatar button & dropdown ──────────────────────────────────────── */
.admin-user-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1F2B6C 0%, #4ED28C 100%);
  border: 2px solid rgba(78,210,140,0.35);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: box-shadow 0.18s ease, opacity 0.18s ease;
  flex-shrink: 0;
  line-height: 1;
}
.admin-user-btn:hover {
  opacity: 0.88;
  box-shadow: 0 0 0 4px rgba(78,210,140,0.22);
}
.admin-user-btn:focus-visible {
  outline: 2px solid #4ED28C;
  outline-offset: 2px;
}

.admin-user-avatar-sm {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1F2B6C 0%, #4ED28C 100%);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-dropdown-menu {
  min-width: 230px;
}

/* Fix form-wrapped sign-out item alignment */
.dropdown-menu form {
  margin: 0;
  padding: 0;
}
.dropdown-menu form button.dropdown-item {
  width: 100%;
  text-align: left;
  border: 0;
  background: none;
}

[data-theme="dark"] .admin-user-btn {
  border-color: rgba(78,210,140,0.45);
}

/* ── Animations ─────────────────────────────────────────────────────────── */
@keyframes admin-fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.admin-fade-up { animation: admin-fade-up 0.35s ease both; }
.admin-fade-up.d1 { animation-delay: 0.05s; }
.admin-fade-up.d2 { animation-delay: 0.10s; }
.admin-fade-up.d3 { animation-delay: 0.15s; }
.admin-fade-up.d4 { animation-delay: 0.20s; }
.admin-fade-up.d5 { animation-delay: 0.25s; }
.admin-fade-up.d6 { animation-delay: 0.30s; }

@media (prefers-reduced-motion: reduce) {
  .admin-fade-up { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   PORTAL THEME — Landing-page design consistency
   Palette: Navy #1A2447 · Green #2DC76D · Mint #D8F3E3 · Coral #F2BAB1 · Teal #1FB39F
   Font: Poppins
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Base typography ─────────────────────────────────────────────────────── */
body.admin-body {
  font-family: var(--font-body);
  background: #FBFDFB;
}

body.admin-body h1, body.admin-body h2,
body.admin-body h3, body.admin-body h4,
body.admin-body h5, body.admin-body h6,
.admin-topbar-title,
.admin-sidebar-brand-text,
.admin-nav-item,
.admin-stat-value,
.admin-stat-label {
  font-family: var(--font-display);
}

/* ── Sidebar brand text ──────────────────────────────────────────────────── */
.admin-sidebar-brand-text {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

/* ── Nav items ───────────────────────────────────────────────────────────── */
.admin-nav-item {
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: -0.005em;
}

/* ── Nav section labels ──────────────────────────────────────────────────── */
.admin-nav-section {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

/* ── Topbar ──────────────────────────────────────────────────────────────── */
.admin-topbar {
  background: white;
  box-shadow: 0 1px 0 var(--admin-topbar-border), 0 4px 16px -4px rgba(26,36,71,.06);
}

.admin-topbar-title {
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: -0.01em;
  color: var(--admin-navy, #1A2447);
}

/* ── Cards — landing-page rounded style ─────────────────────────────────── */
.admin-card {
  border-radius: 18px;
  border: 1px solid rgba(26,36,71,.06);
  box-shadow: 0 4px 24px -8px rgba(26,36,71,.08);
}

.admin-card-header {
  border-radius: 18px 18px 0 0;
  border-bottom: 1px solid rgba(26,36,71,.06);
  padding: 1rem 1.25rem;
}

/* ── Stat cards ──────────────────────────────────────────────────────────── */
.admin-stat-card {
  border-radius: 18px;
  border: 1px solid rgba(26,36,71,.06);
  border-left: 3px solid transparent;
  box-shadow: 0 4px 24px -8px rgba(26,36,71,.08);
  transition: transform .2s ease, box-shadow .2s ease;
  background: white;
}

.admin-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px -8px rgba(26,36,71,.14);
}

.admin-stat-icon {
  border-radius: 14px;
}

.admin-stat-value {
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #1A2447;
}

/* ── Buttons — landing-page green primary ────────────────────────────────── */
body.admin-body .btn-primary,
body.admin-body .btn-primary:focus {
  background: #2DC76D;
  border-color: #2DC76D;
  color: #fff;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: -0.01em;
  box-shadow: 0 6px 18px -6px rgba(45,199,109,.5);
}
body.admin-body .btn-primary:hover {
  background: #22B05E;
  border-color: #22B05E;
  box-shadow: 0 8px 22px -6px rgba(45,199,109,.55);
}
body.admin-body .btn-outline-primary {
  color: #2DC76D;
  border-color: #2DC76D;
}
body.admin-body .btn-outline-primary:hover {
  background: #2DC76D;
  border-color: #2DC76D;
  color: #fff;
}

/* ── Content area ────────────────────────────────────────────────────────── */
.admin-content {
  background: #FBFDFB;
}

/* ── Pill badges — match landing accent colors ───────────────────────────── */
body.admin-body .badge.bg-primary { background-color: #1A2447 !important; }
body.admin-body .badge.bg-success { background-color: #2DC76D !important; }

/* ── Links ───────────────────────────────────────────────────────────────── */
body.admin-body a { color: #1A2447; }
body.admin-body a:hover { color: #2DC76D; }

/* ── Table headings ──────────────────────────────────────────────────────── */
body.admin-body .admin-table th { color: #6B7C9A; letter-spacing: 0.06em; }

/* ── Filter bar ──────────────────────────────────────────────────────────── */
.admin-filter-bar { border-radius: 14px; }

/* ── Alert — match landing mint/coral ────────────────────────────────────── */
body.admin-body .alert-success {
  background: #EAF8F0;
  border-color: rgba(45,199,109,.3);
  color: #1A6640;
}
body.admin-body .alert-danger {
  background: #FDE7E3;
  border-color: rgba(242,186,177,.5);
  color: #8B2015;
}

/* ── User avatar ─────────────────────────────────────────────────────────── */
.admin-user-btn {
  background: linear-gradient(135deg, #1A2447, #2DC76D);
  border-color: rgba(45,199,109,.35);
}
.admin-user-avatar-sm {
  background: linear-gradient(135deg, #1A2447, #2DC76D);
}

/* ── Topbar icon buttons ─────────────────────────────────────────────────── */
.admin-icon-btn:hover, .theme-toggle:hover {
  color: #2DC76D;
  border-color: rgba(45,199,109,.4);
}

/* ── Misc alignment ──────────────────────────────────────────────────────── */
#markAllRead { color: #2DC76D !important; }
[data-theme="dark"] .admin-topbar { box-shadow: 0 1px 0 var(--admin-topbar-border); }
[data-theme="dark"] .notification-dropdown { background: var(--admin-card-bg) !important; border-color: var(--admin-card-border) !important; }

.admin-page .gradient-text {
  background: linear-gradient(135deg, #2DC76D, #1FB39F);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Page header ─────────────────────────────────────────────────────────── */
.admin-page .page-header h4,
.admin-page .page-header h3 {
  color: #1A2447;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ── Form controls ───────────────────────────────────────────────────────── */
body.admin-body .form-control:focus,
body.admin-body .form-select:focus {
  border-color: #2DC76D;
  box-shadow: 0 0 0 3px rgba(45,199,109,.15);
}

/* ── Dropdown menus ──────────────────────────────────────────────────────── */
body.admin-body .dropdown-item.active,
body.admin-body .dropdown-item:active {
  background: rgba(45,199,109,.15);
  color: #1A2447;
}

/* ── Pagination ──────────────────────────────────────────────────────────── */
body.admin-body .page-link { color: #1A2447; }
body.admin-body .page-item.active .page-link {
  background: #2DC76D;
  border-color: #2DC76D;
}

/* ═══════════════════════════════════════════════════════════════════════════
   ADMIN RESPONSIVE — 390 / 768 / 1024 / 1280 / 1440
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── 1. Admin stat cards ─────────────────────────────────────────────────── */
.admin-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 1280px) {
  .admin-stats-row { grid-template-columns: repeat(4, 1fr); gap: 14px; }
}
@media (max-width: 1024px) {
  .admin-stats-row { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}
@media (max-width: 576px) {
  .admin-stats-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
@media (max-width: 390px) {
  .admin-stats-row { grid-template-columns: 1fr; }
}

.admin-stat-card {
  min-height: 0;
}
@media (max-width: 768px) {
  .admin-stat-card { padding: 1rem; }
  .admin-stat-icon { width: 40px; height: 40px; font-size: 1rem; }
  .admin-stat-value { font-size: 1.4rem; }
  .admin-stat-label { font-size: 0.72rem; }
}
@media (max-width: 390px) {
  .admin-stat-card { padding: 0.875rem; }
  .admin-stat-value { font-size: 1.25rem; }
}

/* ── 2. Admin page content padding ─────────────────────────────────────── */
@media (max-width: 1280px) {
  .admin-page { padding: 1.5rem 1.75rem; }
}
@media (max-width: 1024px) {
  .admin-page { padding: 1.25rem 1.25rem; }
}
@media (max-width: 768px) {
  .admin-page { padding: 1rem 1rem; }
}
@media (max-width: 390px) {
  .admin-page { padding: 0.875rem 0.75rem; }
}

/* ── 3. Admin topbar ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .admin-topbar { padding: 0 1rem; }
  .admin-topbar-title { font-size: 0.85rem; }
}
@media (max-width: 390px) {
  .admin-topbar { padding: 0 0.75rem; }
  .admin-topbar-title { display: none; }
}

/* ── 4. Admin table — horizontal scroll wrapper ─────────────────────────── */
.admin-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 12px;
}
.admin-table-wrap > .admin-table,
.admin-table-wrap > table { min-width: 640px; }

@media (max-width: 768px) {
  .admin-card .table-responsive { border-radius: 0; }
  .admin-table th { font-size: 0.68rem; padding: 0.6rem 0.75rem; }
  .admin-table td { font-size: 0.8rem;  padding: 0.6rem 0.75rem; }
}
@media (max-width: 576px) {
  .admin-table th { font-size: 0.65rem; padding: 0.5rem 0.6rem; }
  .admin-table td { font-size: 0.78rem; padding: 0.5rem 0.6rem; }
}

/* ── 5. Filter bar ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .admin-filter-bar { flex-direction: column; align-items: stretch; gap: 8px; }
  .admin-filter-bar .form-select,
  .admin-filter-bar .form-control { width: 100% !important; }
  .admin-filter-bar .btn { width: 100%; justify-content: center; }
}
@media (max-width: 576px) {
  .admin-filter-bar { padding: 0.625rem; }
}

/* ── 6. Chart containers ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .chart-container    { height: 180px; }
  .chart-container-lg { height: 200px; }
}
@media (max-width: 576px) {
  .chart-container    { height: 160px; }
  .chart-container-lg { height: 180px; }
}

/* ── 7. Admin cards grid ─────────────────────────────────────────────────── */
.admin-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 1024px) {
  .admin-cards-grid { grid-template-columns: 1fr; }
}

/* ── 8. Page header on mobile ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .page-header h4, .page-header h3 { font-size: 1.2rem; }
  .page-header p { font-size: 0.82rem; }
  .page-header .btn { align-self: stretch; justify-content: center; }
}
@media (max-width: 390px) {
  .page-header h4 { font-size: 1.05rem; }
  .page-header .btn { font-size: 0.82rem; padding: 0.5rem 1rem; }
}

/* ── 9. Forms inside admin pages ────────────────────────────────────────── */
@media (max-width: 768px) {
  .admin-page .form-control,
  .admin-page .form-select { font-size: 16px !important; min-height: 44px; }
  .admin-page .btn { min-height: 44px; }
  .admin-page .btn-sm { min-height: 36px; font-size: 0.78rem; }
}

/* ── 10. Activity feed ──────────────────────────────────────────────────── */
@media (max-width: 576px) {
  .activity-item { padding: 0.6rem 0.875rem; }
  .activity-action { font-size: 0.78rem; }
  .activity-time { font-size: 0.68rem; }
}

/* ── 11. Status badges – larger tap targets on touch ────────────────────── */
@media (max-width: 768px) {
  .status-badge { font-size: 0.68rem; padding: 0.25em 0.75em; }
}

/* ── 12. Admin card header ───────────────────────────────────────────────── */
@media (max-width: 576px) {
  .admin-card-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .admin-card-header .btn-sm { align-self: flex-end; }
}

/* ── 13. Applicant / teacher profile grid ───────────────────────────────── */
@media (max-width: 768px) {
  .applicant-grid { grid-template-columns: 1fr; }
}

/* ── 14. Large desktop — wider content area ────────────────────────────── */
@media (min-width: 1440px) {
  .admin-page { padding: 2rem 2.5rem; }
  .admin-stats-row { gap: 20px; }
  .admin-stat-card { padding: 1.5rem 1.5rem; }
  .admin-stat-value { font-size: 1.85rem; }
  .chart-container-lg { height: 300px; }
}

/* ── 15. Collapsed sidebar adjustment ──────────────────────────────────── */
@media (min-width: 992px) {
  .admin-shell.sidebar-collapsed .admin-content {
    margin-left: var(--admin-sidebar-collapsed-w);
  }
}

/* ── 16. Touch-friendly nav items ──────────────────────────────────────── */
@media (max-width: 991.98px) {
  .admin-nav-item {
    min-height: 44px;
  }
  .admin-sidebar { padding-bottom: env(safe-area-inset-bottom, 0px); }
}