/* ============ 图形验证码样式 ============ */

/* 验证码输入框组：flex布局，图标+输入框+canvas在同一行 */
.input-group-with-captcha {
  display: flex;
  align-items: center;
  position: relative;
  margin-bottom: 20px;
}

/* 图标在flex上下文中改为静态定位 */
.input-group-with-captcha .input-icon {
  position: static;
  transform: none;
  flex-shrink: 0;
  margin-right: 10px;
  font-size: 18px;
  opacity: 0.6;
  pointer-events: none;
}

/* 输入框占据剩余空间 */
.input-group-with-captcha input {
  flex: 1;
  min-width: 0;
  padding-left: 16px;
}

/* Canvas验证码 */
.captcha-small {
  width: 96px;
  height: 38px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm, 8px);
  cursor: pointer;
  background: var(--bg-secondary, #16213e);
  flex-shrink: 0;
  margin-left: 8px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.captcha-small:hover {
  border-color: var(--accent, #e94560);
}

.captcha-small:active {
  transform: scale(0.97);
}

/* 错误消息定位 */
.input-group-with-captcha .error-msg {
  position: absolute;
  bottom: -18px;
  left: 4px;
}

/* 错误状态的输入框边框 */
.input-group-with-captcha.error input {
  border-color: var(--error, #e94560);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}

/* 响应式调整 */
@media (max-width: 374px) {
  .captcha-small {
    width: 80px;
    height: 34px;
  }

  .input-group-with-captcha .input-icon {
    font-size: 16px;
    margin-right: 6px;
  }
}