/* ==========================================
   Empty States
   ========================================== */
.empty-state {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--text-gray);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark-gray);
  margin-bottom: var(--space-sm);
}

.empty-state-text {
  margin-bottom: var(--space-lg);
}

/* ==========================================
   Loading States
   ========================================== */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--light-gray);
  border-top-color: var(--primary-green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.skeleton {
  background: linear-gradient(90deg, var(--light-gray) 25%, var(--off-white) 50%, var(--light-gray) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 300px;
  margin-bottom: var(--space-lg);
}