.rmv-txt-num-wrapper {
  width: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.rmv-input-section {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.rmv-textarea {
  width: 100%;
  min-height: 150px;
  padding: 12px;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.5;
  resize: vertical;
  box-sizing: border-box;
  transition: border-color 0.3s;
}

.rmv-textarea:focus {
  outline: none;
  border-color: #409eff;
}

.rmv-textarea-result {
  background-color: #fafafa;
}

.rmv-button-container {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.rmv-action-btn {
  padding: 10px 24px;
  background-color: #409eff;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.rmv-action-btn:hover {
  background-color: #66b1ff;
}

.rmv-action-btn:active {
  background-color: #3a8ee6;
}

.rmv-copy-btn {
  padding: 10px 24px;
  background-color: #67c23a;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.rmv-copy-btn:hover {
  background-color: #85ce61;
}

.rmv-copy-btn:active {
  background-color: #5daf34;
}

.rmv-copy-btn:disabled {
  background-color: #c0c4cc;
  cursor: not-allowed;
}

.rmv-seo-content {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #e8e8e8;
  font-size: 13px;
  color: #666;
  line-height: 1.6;
}