/* ===== 顶部控制区 ===== */
.header-card {
  padding: 36rpx;
}

.header-top {
  margin-bottom: 28rpx;
}

.header-title {
  font-size: 40rpx;
  font-weight: 800;
  color: #1E293B;
}

.control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20rpx 0;
  border-top: 2rpx solid #F1F5F9;
}

.control-label {
  font-size: 28rpx;
  color: #64748B;
  font-weight: 500;
}

.base-tag {
  display: inline-flex;
  align-items: center;
  background: #F8FAFC;
  border: 2rpx solid #E2E8F0;
  border-radius: 12rpx;
  padding: 10rpx 20rpx;
}

.base-tag-text {
  font-size: 26rpx;
  font-weight: 500;
  color: #334155;
}

.tag-arrow {
  font-size: 18rpx;
  color: #94A3B8;
  margin-left: 10rpx;
}

.amount-input {
  flex: 1;
  text-align: right;
  font-size: 40rpx;
  font-weight: 800;
  color: #1E293B;
  margin-left: 24rpx;
}

.amount-placeholder {
  color: #CBD5E1;
  font-weight: 400;
}

.updated-at {
  font-size: 22rpx;
  color: #94A3B8;
  margin-top: 16rpx;
}

/* ===== 错误 & 加载 ===== */
.error-card {
  display: flex;
  align-items: center;
  padding: 28rpx 36rpx;
  background: #FEF2F2;
}

.error-icon {
  font-size: 32rpx;
  margin-right: 16rpx;
}

.error-text {
  font-size: 26rpx;
  color: #DC2626;
}

.loading-card {
  padding: 40rpx;
  text-align: center;
  color: #94A3B8;
  font-size: 26rpx;
}

/* ===== 汇率列表 ===== */
.list-card {
  padding: 8rpx 0;
}

.rate-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28rpx 36rpx;
  border-bottom: 2rpx solid #F8FAFC;
  transition: background 0.15s;
}

.rate-item:last-child {
  border-bottom: none;
}

.rate-left {
  display: flex;
  align-items: center;
}

.rate-flag {
  font-size: 44rpx;
  margin-right: 20rpx;
}

.rate-info {
  display: flex;
  flex-direction: column;
}

.rate-code {
  font-size: 30rpx;
  font-weight: 700;
  color: #1E293B;
}

.rate-name {
  font-size: 22rpx;
  color: #94A3B8;
  margin-top: 4rpx;
}

.rate-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.rate-value {
  font-size: 32rpx;
  font-weight: 800;
  color: #1E293B;
}

.rate-unit {
  font-size: 22rpx;
  color: #94A3B8;
  margin-top: 4rpx;
}