/* GCC Admin - Custom styles */
:root {
  --gcc-sidebar-bg: #1e293b;
  --gcc-sidebar-text: #e2e8f0;
  --gcc-sidebar-hover: #334155;
  --gcc-sidebar-active: #0f172a;
  --gcc-accent: #0d6efd;
  --gcc-card-shadow: 0 1px 3px rgba(0,0,0,.08);
  --gcc-card-shadow-hover: 0 4px 12px rgba(0,0,0,.1);
  --gcc-border: #e5e7eb;
  --gcc-page-bg: #f8fafc;
}

body {
  background-color: var(--gcc-page-bg);
  min-height: 100vh;
  font-size: 0.9375rem;
}

/* Sidebar */
.admin-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1030;
  width: 260px;
  height: 100vh;
  background: var(--gcc-sidebar-bg);
  color: var(--gcc-sidebar-text);
  overflow-y: auto;
  transition: transform .2s ease, width .2s ease;
}

.admin-sidebar .sidebar-brand {
  padding: 1.25rem 1.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: block;
  text-decoration: none;
}

.admin-sidebar .nav-section {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.admin-sidebar .nav-section-title {
  padding: 0.5rem 1.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: rgba(226,232,240,.6);
}

.admin-sidebar .nav-link {
  color: var(--gcc-sidebar-text);
  padding: 0.6rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-left: 3px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
}

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

.admin-sidebar .nav-link.active {
  background: var(--gcc-sidebar-active);
  color: #fff;
  border-left-color: var(--gcc-accent);
}

.admin-sidebar .dropdown-menu {
  background: var(--gcc-sidebar-hover);
  border: none;
  border-radius: 0;
  padding: 0.25rem 0;
  box-shadow: 0 10px 40px rgba(0,0,0,.2);
}

.admin-sidebar .dropdown-item {
  color: var(--gcc-sidebar-text);
  padding: 0.5rem 1.5rem 0.5rem 2.5rem;
}

.admin-sidebar .dropdown-item:hover {
  background: var(--gcc-sidebar-active);
  color: #fff;
}

/* Main content area */
.admin-main {
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  background: #fff;
  border-bottom: 1px solid var(--gcc-border);
  padding: 0.75rem 1.5rem;
  box-shadow: var(--gcc-card-shadow);
  position: sticky;
  top: 0;
  z-index: 1020;
}

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

/* Page titles */
.page-header {
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: #1e293b;
}

.page-header .lead, .page-header .text-muted {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Cards */
.admin-card {
  background: #fff;
  border: 1px solid var(--gcc-border);
  border-radius: 0.5rem;
  box-shadow: var(--gcc-card-shadow);
  transition: box-shadow .2s, border-color .2s;
}

.admin-card:hover {
  box-shadow: var(--gcc-card-shadow-hover);
}

.admin-card .card-header {
  background: #fff;
  border-bottom: 1px solid var(--gcc-border);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.875rem 1.25rem;
  color: #334155;
}

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

/* Stat cards on dashboard */
.stat-card {
  border-radius: 0.5rem;
  border: none;
  box-shadow: var(--gcc-card-shadow);
  transition: transform .15s, box-shadow .2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--gcc-card-shadow-hover);
}

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

.stat-card .stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: .02em;
  margin-bottom: 0.25rem;
}

.stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1e293b;
  line-height: 1.2;
}

.stat-card .stat-link {
  font-size: 0.8rem;
  margin-top: 0.5rem;
  display: inline-block;
}

/* Tables */
.table-admin {
  background: #fff;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: var(--gcc-card-shadow);
}

.table-admin thead th {
  background: #f8fafc;
  border-bottom: 1px solid var(--gcc-border);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: #64748b;
  padding: 0.875rem 1rem;
}

.table-admin tbody td {
  padding: 0.875rem 1rem;
  vertical-align: middle;
}

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

/* Buttons */
.btn-admin-primary {
  background: var(--gcc-accent);
  border-color: var(--gcc-accent);
  font-weight: 500;
  padding: 0.5rem 1rem;
}

.btn-admin-primary:hover {
  filter: brightness(1.05);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8125rem;
}

/* Forms */
.form-control, .form-select {
  border-radius: 0.375rem;
  border-color: var(--gcc-border);
}

.form-control:focus, .form-select:focus {
  border-color: var(--gcc-accent);
  box-shadow: 0 0 0 3px rgba(13,110,253,.15);
}

.form-label {
  font-weight: 500;
  color: #475569;
  margin-bottom: 0.35rem;
}

/* Badges */
.badge-status {
  font-weight: 500;
  padding: 0.35em 0.65em;
  font-size: 0.75rem;
}

/* Alerts */
.alert {
  border-radius: 0.5rem;
  border: none;
}

/* List groups in cards */
.list-group-flush .list-group-item {
  border-color: var(--gcc-border);
  padding: 0.75rem 1.25rem;
}

/* Mobile: collapse sidebar */
@media (max-width: 991.98px) {
  .admin-sidebar {
    transform: translateX(-100%);
    width: 280px;
  }

  .admin-sidebar.show {
    transform: translateX(0);
  }

  .admin-main {
    margin-left: 0;
  }

  .admin-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 1025;
  }

  .admin-sidebar-backdrop.show {
    display: block;
  }
}

/* Login page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.login-card {
  max-width: 400px;
  border-radius: 0.75rem;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,.25);
}