/**
 * User Center — credits balance + transactions
 */

.uc-balance-card {
  box-shadow: none;
}

.uc-content #panel-credits .uc-transactions {
  background: transparent;
  border: 0;
  border-radius: 0;
}

.uc-content #panel-credits .uc-transactions__header,
.uc-content #panel-credits .uc-transactions__item {
  padding-left: 0;
  padding-right: 0;
}

.uc-content .widget-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line-soft, rgba(0,0,0,0.06));
}

.uc-content .widget-title::before {
  content: '';
  position: static;
  display: inline-block;
  width: 3px;
  height: 14px;
  background: var(--color-primary);
  border-radius: 2px;
  margin-right: 8px;
  vertical-align: middle;
}

/* ==================== 账户余额面板 ==================== */

/* 余额卡片 */
.uc-balance-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: 0 4px 20px rgba(var(--color-primary-rgb, 59, 130, 246), 0.2);
}

.uc-balance-card__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, #4facfe 50%, #00f2fe 100%);
  z-index: 0;
}

.uc-balance-card__bg::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

.uc-balance-card__bg::before {
  content: '';
  position: absolute;
  bottom: -60%;
  left: -20%;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}

.uc-balance-card__content {
  position: relative;
  z-index: 1;
  padding: 24px;
  color: #fff;
}

.uc-balance-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.uc-balance-card__label {
  font-size: 14px;
  font-weight: 500;
  opacity: 0.9;
}

.uc-balance-card__currency {
  font-size: 12px;
  padding: 3px 10px;
  background: rgba(255,255,255,0.15);
  border-radius: 100px;
  backdrop-filter: blur(4px);
}

.uc-balance-card__amount {
  margin-bottom: 16px;
}

.uc-balance-card__value {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.uc-balance-card__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.uc-balance-card__sign-status {
  font-size: 13px;
  opacity: 0.85;
}

.uc-balance-card__sign-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border: none;
  border-radius: 100px;
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
}

.uc-balance-card__sign-btn:hover {
  background: rgba(255,255,255,0.3);
  transform: translateY(-1px);
}

.uc-balance-card__sign-btn:disabled {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.5);
  cursor: not-allowed;
  transform: none;
}

.uc-balance-card__sign-btn i {
  font-size: 14px;
}

.uc-balance-card__tip {
  font-size: 12px;
  opacity: 0.7;
  margin: 8px 0 0;
}

/* 积分流水 */
.uc-transactions {
  background: var(--surface-1);
  border-radius: var(--main-radius, var(--radius, 8px));
  border: 1px solid var(--color-line-soft, rgba(0,0,0,0.06));
  overflow: hidden;
}

.uc-transactions__header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-line-soft, rgba(0,0,0,0.06));
}

.uc-transactions__title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.uc-transactions__title i {
  font-size: 13px;
  color: var(--color-primary);
}

.uc-transactions__list {
  display: flex;
  flex-direction: column;
}

.uc-transactions__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-line-soft, rgba(0,0,0,0.04));
  transition: background-color 0.15s;
}

.uc-transactions__item:last-child {
  border-bottom: none;
}

.uc-transactions__item:hover {
  background: var(--surface-2);
}

.uc-transactions__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

.uc-transactions__icon.is-positive {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.uc-transactions__icon.is-negative {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.uc-transactions__info {
  flex: 1;
  min-width: 0;
}

.uc-transactions__reason {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.4;
}

.uc-transactions__remark {
  font-size: 12px;
  color: var(--color-ink-4);
  margin-left: 4px;
}

.uc-transactions__time {
  font-size: 12px;
  color: var(--color-ink-4);
  margin-top: 2px;
}

.uc-transactions__amount {
  text-align: right;
  flex-shrink: 0;
}

.uc-transactions__delta {
  display: block;
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
}

.uc-transactions__delta.is-positive {
  color: #22c55e;
}

.uc-transactions__delta.is-negative {
  color: #ef4444;
}

.uc-transactions__balance {
  display: block;
  font-size: 11px;
  color: var(--color-ink-4);
  margin-top: 2px;
}

/* 空状态 */
.uc-transactions__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
}

.uc-transactions__empty-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 20px;
  color: var(--color-ink-4);
}

.uc-transactions__empty p {
  font-size: 14px;
  color: var(--color-ink-4);
  margin: 0;
}