/* Kohinoor KhataBook - Admin Panel */
:root {
  --admin-sidebar-bg: #1e293b;
  --admin-sidebar-text: #e2e8f0;
  --admin-sidebar-hover: #334155;
  --admin-sidebar-active: #0ea5e9;
  --admin-header-bg: #0f172a;
  --admin-card-shadow: 0 1px 3px rgba(0,0,0,.08);
  --admin-radius: 12px;
}

.admin-wrap {
  display: flex;
  min-height: 100vh;
  background: #f1f5f9;
}

.admin-sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--admin-sidebar-bg);
  color: var(--admin-sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 1000;
  transition: transform .2s, width .2s;
}

.admin-sidebar-brand {
  padding: 1.25rem 1.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.08);
  white-space: nowrap;
}

.admin-sidebar-brand small {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: #94a3b8;
  margin-top: 2px;
}

.admin-sidebar-nav {
  flex: 1;
  padding: 1rem 0;
  overflow-y: auto;
}

.admin-sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--admin-sidebar-text);
  text-decoration: none;
  transition: background .15s, color .15s;
}

.admin-sidebar-nav a:hover {
  background: var(--admin-sidebar-hover);
  color: #fff;
}

.admin-sidebar-nav a.active {
  background: rgba(14, 165, 233, .2);
  color: var(--admin-sidebar-active);
  border-left: 3px solid var(--admin-sidebar-active);
  padding-left: calc(1.5rem - 3px);
}

.admin-sidebar-nav .nav-icon {
  width: 22px;
  text-align: center;
  font-size: 1.1rem;
  opacity: .9;
}

.admin-sidebar-user {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 0.9rem;
  color: #94a3b8;
}

.admin-sidebar-user .btn-logout {
  color: #f87171;
  text-decoration: none;
  font-size: 0.85rem;
  margin-top: 4px;
  display: inline-block;
}

.admin-sidebar-user .btn-logout:hover {
  color: #ef4444;
}

.admin-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.admin-header {
  background: #fff;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: var(--admin-card-shadow);
}

.admin-header h1 {
  font-size: 1.35rem;
  font-weight: 600;
  color: #0f172a;
  margin: 0;
}

.admin-content {
  flex: 1;
  padding: 1.5rem;
}

.admin-card {
  background: #fff;
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-card-shadow);
  border: 1px solid #e2e8f0;
  overflow: hidden;
}

.admin-card-header {
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: #0f172a;
  border-bottom: 1px solid #f1f5f9;
  background: #fafafa;
}

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

.admin-stat-card {
  background: #fff;
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-card-shadow);
  border: 1px solid #e2e8f0;
  padding: 1.25rem;
  height: 100%;
  transition: transform .15s, box-shadow .15s;
}

.admin-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
}

.admin-stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.2;
}

.admin-stat-card .stat-label {
  font-size: 0.9rem;
  color: #64748b;
  margin-top: 4px;
}

.admin-stat-card .stat-link {
  font-size: 0.85rem;
  margin-top: 0.75rem;
  display: inline-block;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: #64748b;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.admin-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
}

.admin-table tbody tr:hover {
  background: #f8fafc;
}

.admin-btn-group .btn {
  margin: 0 2px;
}

@media (max-width: 991px) {
  .admin-sidebar {
    transform: translateX(-100%);
    width: 260px;
  }
  .admin-sidebar.open {
    transform: translateX(0);
  }
  .admin-main {
    margin-left: 0;
  }
  .admin-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 999;
  }
  .admin-sidebar-overlay.show {
    display: block;
  }
}

.admin-mobile-bar {
  display: none;
  background: var(--admin-header-bg);
  color: #fff;
  padding: 0.75rem 1rem;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 991px) {
  .admin-mobile-bar {
    display: flex;
  }
}

.admin-mobile-bar .btn-menu {
  background: transparent;
  border: none;
  color: #fff;
  padding: 0.5rem;
  font-size: 1.25rem;
  cursor: pointer;
}

.admin-mobile-bar .brand-sm {
  font-weight: 600;
  font-size: 1rem;
}

.form-control:focus, .form-select:focus {
  border-color: var(--admin-sidebar-active);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, .2);
}

.btn-primary {
  background: #0ea5e9;
  border-color: #0ea5e9;
}

.btn-primary:hover {
  background: #0284c7;
  border-color: #0284c7;
}

.badge-expired { background: #fef2f2; color: #dc2626; }
.badge-active { background: #dcfce7; color: #16a34a; }
.badge-inactive { background: #f1f5f9; color: #64748b; }