/* 커스텀 보조 스타일 (기본 스타일은 Tailwind CDN 사용) */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

.scroll-area { overflow-y: auto; }

.brand-item.active {
  background-color: #eef2ff;
  border-left: 3px solid #6366f1;
}

.tab-btn.active {
  color: #6366f1;
  border-bottom: 2px solid #6366f1;
  font-weight: 600;
}

table.data-table th {
  position: sticky;
  top: 0;
  background: #f8fafc;
  z-index: 1;
}

.modal-backdrop {
  background: rgba(15, 23, 42, 0.5);
}

.fade-in { animation: fadeIn 0.15s ease-in; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.spinner {
  border: 3px solid #e2e8f0;
  border-top-color: #6366f1;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }