/* Admin dashboard — professional sidebar layout */
:root {
  --ad-sidebar: #0f172a;
  --ad-sidebar-hover: #1e293b;
  --ad-accent: #e94560;
  --ad-topbar: #ffffff;
  --ad-bg: #f1f5f9;
  --ad-border: #e2e8f0;
}

body.admin-body {
  background: var(--ad-bg);
  min-height: 100vh;
  font-family: "Inter", system-ui, sans-serif;
}

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

.admin-sidebar {
  width: 260px;
  background: var(--ad-sidebar);
  color: #e2e8f0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  box-shadow: 4px 0 24px rgba(15, 23, 42, 0.12);
}

.admin-sidebar-brand {
  padding: 1.35rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: #fff;
}

.admin-sidebar-brand small {
  display: block;
  font-weight: 500;
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.25rem;
}

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

.admin-nav .nav-link {
  color: #cbd5e1;
  padding: 0.65rem 1.25rem;
  margin: 0.15rem 0.75rem;
  border-radius: 10px;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  transition: background 0.15s, color 0.15s;
}

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

.admin-nav .nav-link.active {
  background: linear-gradient(90deg, rgba(233, 69, 96, 0.25), transparent);
  color: #fda4af;
  border-left: 3px solid var(--ad-accent);
  margin-left: 0.65rem;
  padding-left: calc(1.25rem - 3px);
}

.admin-sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: #64748b;
}

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

.admin-topbar {
  background: var(--ad-topbar);
  border-bottom: 1px solid var(--ad-border);
  padding: 1rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-content {
  padding: 1.75rem;
}

.stat-card {
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--ad-border);
  padding: 1.35rem 1.5rem;
  height: 100%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.stat-card .label {
  font-size: 0.8rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.stat-card .value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #0f172a;
  margin-top: 0.35rem;
}

.stat-card.stat-accent .value {
  color: var(--ad-accent);
}

.table-card {
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--ad-border);
  overflow: hidden;
}

.table-card .table {
  margin-bottom: 0;
}

.table-card thead th {
  background: #f8fafc;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  font-weight: 700;
  border-bottom-width: 1px;
}

.badge-status-pending { background: #fef3c7; color: #92400e; }
.badge-status-confirmed { background: #d1fae5; color: #065f46; }
.badge-status-cancelled { background: #fee2e2; color: #991b1b; }
.badge-status-returned { background: #e0e7ff; color: #3730a3; }

@media (max-width: 991px) {
  .admin-sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s;
  }
  .admin-sidebar.show {
    transform: translateX(0);
  }
  .admin-main {
    margin-left: 0;
  }
}