/* Loading and Error States */

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  text-align: center;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

.loading-text {
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Error Container */
.error-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

.error-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.error-title {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-weight: 600;
}

.error-message {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 2rem;
}

.error-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Error Notification (top of page) */
.error-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 400px;
  z-index: 1000;
  animation: slideInRight 0.3s ease-out;
}

.error-notification-icon {
  font-size: 1.2rem;
}

.error-notification-text {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 500;
}

.error-notification-close {
  background: none;
  border: none;
  color: #dc2626;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.error-notification-close:hover {
  background: rgba(220, 38, 38, 0.1);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .error-notification {
    background: #451a1a;
    border-color: #7c2d2d;
    color: #fca5a5;
  }
  
  .error-notification-close {
    color: #fca5a5;
  }
  
  .error-notification-close:hover {
    background: rgba(252, 165, 165, 0.1);
  }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .error-notification {
    right: 10px;
    left: 10px;
    max-width: none;
  }
  
  .error-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .error-actions .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* Loading states for specific components */
.blog-grid.loading,
.portfolio-grid.loading {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Skeleton loading for cards */
.skeleton-card {
  background: var(--surface);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
  animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-line {
  background: var(--border-color);
  height: 1rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
  animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-line.short {
  width: 60%;
}

.skeleton-line.medium {
  width: 80%;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}