/* =====================================================
   支付流程抽屉样式
   ===================================================== */

.payment-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.payment-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.payment-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 480px;
  max-width: 100vw;
  background: var(--color-bg-elev1);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-elev2);
}

.payment-drawer.open {
  transform: translateX(0);
}

.payment-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border-default);
  background: var(--color-bg-elev2);
}

.payment-drawer-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.payment-drawer-close {
  background: none;
  border: none;
  color: var(--color-text-disabled);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-field);
  transition: all 0.2s ease;
}

.payment-drawer-close:hover {
  background: var(--color-bg-base);
  color: var(--color-text-primary);
}

.payment-drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
}

.payment-drawer-footer {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-default);
  background: var(--color-bg-elev2);
}

.payment-drawer-footer .btn-secondary,
.payment-drawer-footer .btn-primary {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-size: var(--typo-body-size);
  font-weight: 500;
  border-radius: var(--radius-field);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

/* 支付内容样式 */
.payment-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.payment-title-section {
  margin-bottom: var(--space-4);
}

.payment-main-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2) 0;
}

.payment-order-id {
  font-size: var(--typo-assist-size);
  color: var(--color-text-disabled);
  margin: 0;
}

.payment-section {
  margin-bottom: var(--space-5);
}

.payment-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--typo-body-size);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3) 0;
}

.payment-section-title svg {
  color: var(--color-brand);
}

.payment-product-card {
  background: var(--color-bg-elev2);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  border: 1px solid var(--color-border-soft);
}

.payment-product-name {
  font-size: var(--typo-h3-size);
  font-weight: var(--typo-h3-weight);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2) 0;
}

.payment-product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.payment-product-specs span {
  font-size: var(--typo-assist-size);
  color: var(--color-text-secondary);
  background: var(--color-bg-base);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-chip);
}

.payment-product-config {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--typo-assist-size);
  color: var(--color-text-disabled);
}

/* 拼团信息 */
.payment-group-info {
  background: var(--color-bg-elev2);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  border: 1px solid var(--color-border-soft);
}

.group-info-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-soft);
}

.group-info-row:last-child {
  border-bottom: none;
}

.group-info-label {
  font-size: var(--typo-body-size);
  color: var(--color-text-disabled);
}

.group-info-value {
  font-size: var(--typo-body-size);
  color: var(--color-text-primary);
  font-weight: 500;
}

.group-info-countdown {
  color: var(--color-warning);
}

/* 支付方式 */
.payment-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.payment-method-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-elev2);
  border: 2px solid var(--color-border-soft);
  border-radius: var(--radius-card);
  cursor: pointer;
  transition: all 0.2s ease;
}

.payment-method-item:hover {
  border-color: #A5B4FC;
}

.payment-method-item.active {
  border-color: var(--color-brand);
  background: #EEF2FF;
}

.payment-method-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.payment-method-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-base);
  border-radius: var(--radius-field);
  color: var(--color-text-secondary);
}

.payment-method-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.payment-method-name {
  font-size: var(--typo-body-size);
  font-weight: 500;
  color: var(--color-text-primary);
}

.payment-method-balance {
  font-size: var(--typo-assist-size);
  color: var(--color-text-disabled);
}

.payment-method-check {
  color: var(--color-brand);
}

/* 费用明细 */
.payment-summary {
  background: var(--color-bg-elev2);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  border: 1px solid var(--color-border-soft);
}

.payment-summary-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  font-size: var(--typo-body-size);
}

.payment-summary-row span:first-child {
  color: var(--color-text-disabled);
}

.payment-original-price {
  color: var(--color-text-disabled);
  text-decoration: line-through;
}

.payment-discount {
  color: var(--color-success);
}

.payment-discount-price {
  color: var(--color-success);
  font-weight: 500;
}

.payment-total {
  border-top: 1px solid var(--color-border-soft);
  padding-top: var(--space-3);
  margin-top: var(--space-2);
}

.payment-total-price {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-danger);
}

/* 协议和提示 */
.payment-agreement {
  margin-top: var(--space-4);
}

.payment-agreement-label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  font-size: var(--typo-assist-size);
  color: var(--color-text-disabled);
  cursor: pointer;
}

.payment-agreement-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-brand);
}

.payment-agreement-label a {
  color: var(--color-brand);
  text-decoration: none;
}

.payment-agreement-label a:hover {
  text-decoration: underline;
}

.payment-notice {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: #FFFBEB;
  border-radius: var(--radius-field);
  font-size: var(--typo-assist-size);
  color: var(--color-warning);
}

.payment-notice svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* 支付处理中 */
.payment-processing,
.payment-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 0;
  text-align: center;
}

.payment-loading p {
  font-size: var(--typo-body-size);
  color: var(--color-text-disabled);
  margin-top: var(--space-4);
}

.payment-processing-icon {
  margin-bottom: var(--space-6);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-border-soft);
  border-top-color: var(--color-brand);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.payment-processing-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2) 0;
}

.payment-processing-desc {
  font-size: var(--typo-body-size);
  color: var(--color-text-disabled);
  margin: 0;
}

/* 支付结果 */
.payment-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 0;
  text-align: center;
}

.payment-result-icon {
  margin-bottom: var(--space-6);
}

.payment-result-title {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 var(--space-2) 0;
}

.payment-result-success .payment-result-title {
  color: var(--color-success);
}

.payment-result-failed .payment-result-title {
  color: var(--color-danger);
}

.payment-result-desc {
  font-size: var(--typo-body-size);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-4) 0;
}

.payment-result-info {
  font-size: var(--typo-assist-size);
  color: var(--color-text-disabled);
}

.payment-result-info p {
  margin: var(--space-1) 0;
}

/* 支付二维码 */
.payment-qrcode-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) 0;
  text-align: center;
}

.payment-qrcode-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-6) 0;
}

.payment-qrcode-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  min-width: 120px;
  background: var(--color-bg-elev2);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-soft);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.payment-qrcode-box img {
  max-width: 220px;
  max-height: 220px;
  display: block;
}

.payment-qrcode-box iframe {
  border: none;
  min-width: 220px;
  min-height: 220px;
}

.payment-qrcode-tip {
  font-size: var(--typo-body-size);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-2) 0;
}

.payment-qrcode-waiting {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--typo-assist-size);
  color: var(--color-text-disabled);
  margin: 0;
}

.payment-qrcode-waiting::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--color-border-soft);
  border-top-color: var(--color-brand);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}