/* ChatSendButton 发送按钮样式 */

.button {
  flex: 0 0 auto;
  width: var(--chat-send-button-size, 40px);
  height: var(--chat-send-button-size, 40px);
  aspect-ratio: 1 / 1;
  border: 0;
  border-radius: 50%;
  background: var(--color-button-gradient-end, #fc69df);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.1s;
}

.button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.buttonEmpty {
  background: #f8a8ce;
  color: rgba(255, 255, 255, 0.88);
  box-shadow: none;
}

.button:focus-visible,
.buttonActive {
  background: linear-gradient(
    to right,
    var(--color-button-gradient-start, #ff67e0),
    var(--color-button-gradient-end, #ff52a2)
  );
}

.icon {
  width: var(--icon-size-xl, 24px);
  height: var(--icon-size-xl, 24px);
  font-size: var(--icon-size-xl, 24px);
  line-height: 1;
}
