frontend/src/App.css

.app-layout {
  display: flex;
  min-height: 100vh;
}

.main-content {
  margin-left: 250px;
  flex: 1;
  padding: 24px 32px;
}

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60vh;
}
.loader {
  text-align: center;
}
.loader p {
  color: var(--muted);
  font-size: 14px;
  margin-top: 16px;
}
.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 1024px) {
  .main-content {
    margin-left: 0;
    padding: 12px;
  }
}