/* 数字脱敏工具特定样式 */
.text-container {
  display: flex;
  width: 100%;
  gap: 1.5rem;
}

.input-container, .output-container {
  flex: 1;
  margin-bottom: 0;
}

.input-container label, .output-container label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: #495057;
}

textarea {
  width: 100%;
  min-height: 300px;
  padding: 0.75rem;
  border: 1px solid #ced4da;
  border-radius: 8px;
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 0.95rem;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: white;
}

textarea:focus {
  outline: none;
  border-color: #0d6efd;
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

#outputText {
  background-color: #f8f9fa;
}

.button-group {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

#copyButton {
  width: auto;
  padding: 0.5rem 1rem;
  margin-top: 0;
  font-size: 0.9rem;
  background-color: #6c757d;
}

#copyButton:hover {
  background-color: #5a6268;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .text-container {
    flex-direction: column;
    gap: 1rem;
  }
  
  .input-container, .output-container {
    width: 100%;
  }
  
  textarea {
    min-height: 200px;
  }
}