.card-box-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.card-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid #e9ecef;
}

.card-box-header h3 {
  color: #495057;
  margin: 0;
  font-size: 24px;
}

.box-actions {
  display: flex;
  gap: 10px;
}

.uri-display {
  background: #e3f2fd;
  border: 1px solid #bbdefb;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 20px;
}

.uri-display p {
  margin: 0;
  color: #1565c0;
  font-size: 14px;
}

.uri-display code {
  background: #ffffff;
  border: 1px solid #90caf9;
  border-radius: 4px;
  padding: 4px 8px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 12px;
  color: #0d47a1;
  word-break: break-all;
}

.json-button,
.refresh-button,
.retry-button,
.delete-button {
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.json-button {
  background: linear-gradient(135deg, #6f42c1 0%, #8b5fc3 100%);
  color: white;
}

.json-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(111, 66, 193, 0.4);
}

.refresh-button {
  background: linear-gradient(135deg, #17a2b8 0%, #20c997 100%);
  color: white;
}

.refresh-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(23, 162, 184, 0.4);
}

.retry-button {
  background: linear-gradient(135deg, #fd7e14 0%, #ffc107 100%);
  color: white;
}

.retry-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(253, 126, 20, 0.4);
}

.delete-button {
  background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
  color: white;
}

.delete-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.4);
}

.delete-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.json-display {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.json-display h4 {
  color: #495057;
  margin-top: 0;
  margin-bottom: 15px;
}

.json-content {
  background: #ffffff;
  border: 1px solid #e9ecef;
  border-radius: 4px;
  padding: 15px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 12px;
  color: #495057;
  max-height: 400px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.box-stats {
  background: rgba(102, 126, 234, 0.1);
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 20px;
}

.box-stats p {
  margin: 0;
  color: #495057;
  font-size: 14px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.box-card-item {
  text-align: center;
}

.card-info {
  margin-top: 8px;
  color: #6c757d;
  font-size: 12px;
}

.empty-box {
  text-align: center;
  padding: 40px 20px;
  color: #6c757d;
  background: #f8f9fa;
  border-radius: 8px;
  border: 1px solid #dee2e6;
}

.empty-box p {
  margin: 8px 0;
}

.loading,
.error {
  text-align: center;
  padding: 40px 20px;
  color: #6c757d;
  font-size: 16px;
}

.error {
  color: #dc3545;
  background: #f8d7da;
  border: 1px solid #f5c6cb;
  border-radius: 8px;
}