.admin-body { background: #f1f5f9; color: #0f172a; }
.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-sidebar {
  background: #ffffff;
  border-right: 1px solid rgba(15, 23, 42, 0.1);
  padding: 1.2rem;
  box-shadow: 4px 0 24px rgba(15, 23, 42, 0.04);
}
.admin-sidebar-brand { margin: 0 0 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid rgba(15, 23, 42, 0.08); }
.brand-admin { flex-wrap: wrap; }
.brand-admin .brand-name { font-size: 0.95rem; font-weight: 800; color: #0f172a; }
.brand-admin .brand-logo { width: 36px; height: 36px; }
.logo-upload-field { border: 1px dashed rgba(15, 23, 42, 0.15); border-radius: 12px; padding: 1rem; }
.logo-preview-wrap { margin-bottom: 0.75rem; }
.logo-preview { max-width: 120px; max-height: 120px; object-fit: contain; border: 1px solid rgba(15, 23, 42, 0.1); border-radius: 10px; padding: 6px; background: #f8fafc; }
.logo-remove { display: flex; align-items: center; gap: 0.4rem; font-weight: 600; margin-bottom: 0.75rem; }
.login-brand { margin-bottom: 0.25rem; }
.admin-sidebar a {
  display: block;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  color: #64748b;
  margin-bottom: 0.25rem;
  font-weight: 600;
}
.admin-sidebar a.active,
.admin-sidebar a:hover { background: rgba(234, 88, 12, 0.1); color: #0f172a; }
.admin-main { padding: 1.2rem 1.4rem 2rem; }
.admin-card {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 14px;
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}
.admin-card h1, .admin-card h2 { margin-top: 0; color: #0f172a; }
.admin-grid { display: grid; gap: 0.75rem; }
.admin-grid label { display: grid; gap: 0.3rem; font-size: 0.9rem; color: #334155; font-weight: 600; }
.admin-grid input, .admin-grid textarea, .admin-grid select {
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #f8fafc;
  color: #0f172a;
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  font: inherit;
}
.admin-grid input:focus, .admin-grid textarea:focus, .admin-grid select:focus {
  outline: 2px solid rgba(234, 88, 12, 0.2);
  border-color: rgba(234, 88, 12, 0.4);
  background: #fff;
}
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.admin-table th, .admin-table td {
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  padding: 0.55rem 0.4rem;
  text-align: left;
}
.admin-table th { color: #64748b; font-weight: 700; }
.admin-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar { display: flex; flex-wrap: wrap; gap: 0.35rem; }
  .admin-sidebar a { margin: 0; }
}