/* 登录注册页 */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  padding: 60px 20px;
  position: relative;
  overflow: hidden;
}

.auth-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(139,26,26,0.03) 40px, rgba(139,26,26,0.03) 41px),
    repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(139,26,26,0.03) 40px, rgba(139,26,26,0.03) 41px);
  pointer-events: none;
}

.auth-box {
  background: #fff;
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.auth-box::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: 4px;
  bottom: 4px;
  border: 1px solid var(--gold-main);
  pointer-events: none;
  z-index: -1;
}

.auth-header {
  background: var(--red-dark);
  padding: 32px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.auth-header::after {
  content: '✦';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 32px;
  color: var(--gold-main);
  text-shadow: none;
  line-height: 1;
}

.auth-header h1 {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--gold-main);
  letter-spacing: 6px;
  font-weight: 700;
}

.auth-header p {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 3px;
  margin-top: 6px;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-top: 10px;
}

.auth-tab {
  flex: 1;
  padding: 16px;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 2px;
  cursor: pointer;
  color: #888;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.auth-tab.active {
  color: var(--red-dark);
  border-bottom-color: var(--red-dark);
}

.auth-form {
  padding: 30px 40px 40px;
}

.auth-panel { display: none; }
.auth-panel.active { display: block; }

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--ink-light);
  margin-bottom: 8px;
  font-family: var(--font-serif);
  letter-spacing: 1px;
}

.form-group label span { color: var(--red-main); }

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--paper-light);
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--ink);
  outline: none;
  transition: all 0.2s;
  appearance: none;
}

.form-input:focus {
  border-color: var(--red-main);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(192,57,43,0.08);
}

.input-group {
  display: flex;
  gap: 0;
}

.input-group .form-input { flex: 1; }

.input-action-btn {
  padding: 10px 16px;
  background: var(--red-dark);
  color: var(--gold-light);
  border: 1px solid var(--red-dark);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-serif);
  white-space: nowrap;
  transition: all 0.2s;
}

.input-action-btn:hover { background: var(--red-main); }

.form-check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #888;
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--red-dark);
  cursor: pointer;
}

.form-check a {
  color: var(--red-main);
  text-decoration: underline;
}

.auth-submit {
  width: 100%;
  padding: 13px;
  background: var(--red-dark);
  color: var(--gold-light);
  border: none;
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 4px;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 8px;
}

.auth-submit:hover { background: var(--red-main); }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: #ccc;
  font-size: 12px;
}

.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.social-login {
  display: flex;
  gap: 12px;
}

.social-login-btn {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--ink-light);
  font-family: var(--font-sans);
}

.social-login-btn:hover { border-color: var(--red-light); background: var(--paper); }

.forgot-link {
  text-align: right;
  margin-top: -12px;
  margin-bottom: 16px;
}

.forgot-link a { font-size: 12px; color: var(--red-main); }

/* ===== 商品列表页 ===== */
.products-page { padding: 30px 60px 60px; }

.products-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  margin-top: 24px;
}

.sidebar {
  flex-shrink: 0;
}

.sidebar-widget {
  background: #fff;
  border: 1px solid var(--border);
  margin-bottom: 20px;
  overflow: hidden;
}

.sidebar-widget-title {
  background: var(--red-dark);
  color: var(--gold-light);
  padding: 10px 16px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-widget-title::before {
  content: '';
  width: 3px;
  height: 14px;
  background: var(--gold-main);
  display: block;
}

.sidebar-list {
  padding: 8px 0;
}

.sidebar-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--ink-light);
  cursor: pointer;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.sidebar-list-item:hover {
  background: var(--paper);
  color: var(--red-dark);
  border-left-color: var(--red-dark);
}

.sidebar-list-item span {
  font-size: 11px;
  color: #aaa;
  background: #f5f5f5;
  padding: 1px 6px;
  border-radius: 10px;
}

.price-range-slider {
  padding: 16px;
}

.price-inputs {
  display: flex;
  gap: 8px;
  align-items: center;
}

.price-inputs input {
  flex: 1;
  padding: 6px 8px;
  border: 1px solid var(--border);
  font-size: 13px;
  text-align: center;
  outline: none;
  font-family: var(--font-sans);
}

.price-inputs span { color: #ccc; font-size: 12px; }

.price-confirm-btn {
  width: 100%;
  margin-top: 12px;
  padding: 7px;
  background: var(--red-dark);
  color: var(--gold-light);
  border: none;
  font-family: var(--font-serif);
  font-size: 13px;
  cursor: pointer;
  letter-spacing: 1px;
}

.products-main {}

.products-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

.toolbar-sort {
  display: flex;
  gap: 0;
}

.sort-btn {
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-right: none;
  font-size: 13px;
  cursor: pointer;
  background: #fff;
  color: var(--ink-light);
  font-family: var(--font-sans);
  transition: all 0.2s;
}

.sort-btn:last-child { border-right: 1px solid var(--border); }
.sort-btn.active, .sort-btn:hover {
  background: var(--red-dark);
  color: var(--gold-light);
  border-color: var(--red-dark);
}

.toolbar-view {
  display: flex;
  gap: 8px;
  align-items: center;
}

.view-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  background: #fff;
  transition: all 0.2s;
}

.view-btn.active { background: var(--red-dark); color: #fff; border-color: var(--red-dark); }

.toolbar-total { font-size: 13px; color: #888; }

/* ===== 商品详情页 ===== */
.product-detail-page { padding: 20px 60px 60px; }

.detail-layout {
  display: grid;
  grid-template-columns: 500px 1fr;
  gap: 48px;
  margin-top: 24px;
}

.detail-images {}

.main-image {
  border: 1px solid var(--border);
  overflow: hidden;
  height: 440px;
  margin-bottom: 12px;
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s;
  cursor: zoom-in;
}

.main-image img:hover { transform: scale(1.05); }

.thumb-row {
  display: flex;
  gap: 10px;
}

.thumb-item {
  width: 72px;
  height: 72px;
  border: 2px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.thumb-item:hover, .thumb-item.active { border-color: var(--red-dark); }
.thumb-item img { width: 100%; height: 100%; object-fit: cover; }

.detail-info {}

.detail-name {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--ink);
  letter-spacing: 2px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.detail-sub {
  font-size: 13px;
  color: #888;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.detail-price-box {
  background: var(--paper);
  padding: 16px 20px;
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.detail-price {
  font-size: 36px;
  color: var(--red-main);
  font-weight: 700;
  font-family: var(--font-serif);
}

.detail-price small { font-size: 16px; font-weight: 400; }

.detail-original {
  font-size: 13px;
  color: #aaa;
  text-decoration: line-through;
  margin-left: 8px;
}

.detail-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.detail-tag {
  font-size: 11px;
  padding: 2px 8px;
  background: var(--gold-light);
  color: var(--gold-dark);
  border: 1px solid rgba(139,105,20,0.2);
  font-family: var(--font-serif);
  letter-spacing: 0.5px;
}

.detail-options { margin-bottom: 24px; }

.option-group { margin-bottom: 16px; }

.option-label {
  font-size: 13px;
  color: var(--ink-light);
  margin-bottom: 10px;
  font-family: var(--font-serif);
  letter-spacing: 1px;
}

.option-items {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.option-item {
  padding: 6px 16px;
  border: 1px solid var(--border);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  background: #fff;
  font-family: var(--font-sans);
}

.option-item:hover, .option-item.active {
  border-color: var(--red-dark);
  color: var(--red-dark);
  background: rgba(139,26,26,0.04);
}

.quantity-row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.quantity-ctrl {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
}

.qty-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--paper);
  border-right: 1px solid var(--border);
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.qty-btn:last-child { border-right: none; border-left: 1px solid var(--border); }
.qty-btn:hover { background: var(--red-light); color: #fff; }

.qty-input {
  width: 50px;
  height: 36px;
  border: none;
  text-align: center;
  font-size: 15px;
  background: #fff;
  outline: none;
  font-family: var(--font-sans);
}

.stock-info { font-size: 12px; color: #888; }
.stock-info span { color: var(--red-main); }

.detail-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.btn-cart {
  flex: 1;
  padding: 13px;
  background: var(--gold-main);
  color: var(--red-dark);
  border: 2px solid var(--gold-main);
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-cart:hover { background: transparent; color: var(--gold-dark); }

.btn-buy {
  flex: 1;
  padding: 13px;
  background: var(--red-dark);
  color: var(--gold-light);
  border: 2px solid var(--red-dark);
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-buy:hover { background: var(--red-main); }

.btn-fav {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 22px;
  color: #ccc;
  transition: all 0.2s;
}

.btn-fav:hover, .btn-fav.active { color: var(--red-main); border-color: var(--red-light); }

.detail-meta {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meta-row {
  display: flex;
  gap: 12px;
  font-size: 13px;
}

.meta-row dt {
  color: #888;
  width: 60px;
  flex-shrink: 0;
  font-family: var(--font-serif);
  letter-spacing: 1px;
}

.meta-row dd { color: var(--ink-light); }

.detail-tabs {
  margin-top: 48px;
  border: 1px solid var(--border);
}

.detail-tab-nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--paper);
}

.detail-tab-btn {
  padding: 14px 28px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 2px;
  cursor: pointer;
  color: #888;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  margin-bottom: -1px;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.detail-tab-btn.active { color: var(--red-dark); border-bottom-color: var(--red-dark); background: #fff; }

.detail-tab-content { padding: 30px; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== 购物车页 ===== */
.cart-page { padding: 20px 60px 60px; }

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  margin-top: 24px;
}

.cart-table {
  border: 1px solid var(--border);
  overflow: hidden;
}

.cart-table-head {
  display: grid;
  grid-template-columns: 2.5fr 1fr 1.2fr 1fr 60px;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  font-size: 13px;
  color: #888;
  font-family: var(--font-serif);
  letter-spacing: 1px;
  align-items: center;
}

.cart-row {
  display: grid;
  grid-template-columns: 2.5fr 1fr 1.2fr 1fr 60px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  background: #fff;
  transition: background 0.2s;
}

.cart-row:last-child { border-bottom: none; }
.cart-row:hover { background: var(--paper-light); }

.cart-product {
  display: flex;
  gap: 14px;
  align-items: center;
}

.cart-product-img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.cart-product-name {
  font-size: 14px;
  font-family: var(--font-serif);
  color: var(--ink);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.cart-product-spec {
  font-size: 12px;
  color: #aaa;
}

.cart-price { font-size: 15px; color: var(--ink-light); }

.cart-subtotal {
  font-size: 16px;
  color: var(--red-main);
  font-weight: 500;
  font-family: var(--font-serif);
}

.cart-remove {
  background: none;
  border: none;
  color: #ccc;
  cursor: pointer;
  font-size: 20px;
  transition: color 0.2s;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-remove:hover { color: var(--red-main); }

.cart-actions {
  padding: 14px 20px;
  background: var(--paper);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.select-all-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-light);
}

.select-all-wrap input { width: 16px; height: 16px; accent-color: var(--red-dark); }

.cart-summary {
  background: #fff;
  border: 1px solid var(--border);
  height: fit-content;
}

.summary-title {
  background: var(--red-dark);
  color: var(--gold-light);
  padding: 14px 20px;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 2px;
}

.summary-body { padding: 20px; }

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
}

.summary-row:last-of-type { border-bottom: none; }
.summary-row dt { color: #888; }
.summary-row dd { color: var(--ink-light); }

.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0 0;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.summary-total dt {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--ink);
}

.summary-total dd {
  font-size: 28px;
  color: var(--red-main);
  font-weight: 700;
  font-family: var(--font-serif);
}

.summary-total dd small { font-size: 14px; font-weight: 400; }

.coupon-row {
  margin: 16px 0;
}

.coupon-input {
  display: flex;
  gap: 0;
}

.coupon-input input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-right: none;
  font-size: 13px;
  outline: none;
  font-family: var(--font-sans);
}

.coupon-input button {
  padding: 8px 16px;
  background: var(--red-dark);
  color: var(--gold-light);
  border: 1px solid var(--red-dark);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-serif);
}

.checkout-btn {
  width: 100%;
  padding: 14px;
  background: var(--red-dark);
  color: var(--gold-light);
  border: none;
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 4px;
  cursor: pointer;
  margin-top: 16px;
  transition: all 0.3s;
}

.checkout-btn:hover { background: var(--red-main); }

.safe-icons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.safe-icon {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: #aaa;
}

.safe-icon .icon { font-size: 14px; }

/* ===== 空购物车 ===== */
.empty-cart {
  text-align: center;
  padding: 80px 20px;
}

.empty-icon { font-size: 64px; opacity: 0.15; margin-bottom: 20px; }
.empty-cart h3 { font-family: var(--font-serif); font-size: 18px; color: #ccc; letter-spacing: 2px; margin-bottom: 16px; }

/* ===== 模态弹窗 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: fadeIn 0.2s ease;
}

.modal-box {
  background: #fff;
  border: 2px solid var(--gold-main);
  padding: 28px 32px;
  max-width: 400px;
  width: 90%;
  animation: slideUp 0.3s ease;
}

.modal-box h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--red-dark);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.modal-box p {
  font-size: 14px;
  color: var(--ink-light);
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.modal-actions .btn {
  padding: 8px 24px;
  font-family: var(--font-serif);
  letter-spacing: 1px;
  cursor: pointer;
  font-size: 14px;
}

.modal-actions .btn-outline {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--ink-light);
}

.modal-actions .btn-primary {
  background: var(--red-dark);
  border: 1px solid var(--red-dark);
  color: var(--gold-light);
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 确认框 */
.confirm-box { text-align: center; }

/* 用户区域样式 */
.header-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-link {
  color: var(--ink-light);
  text-decoration: none;
  font-size: 13px;
  font-family: var(--font-serif);
  letter-spacing: 0.5px;
}

.logout-btn {
  background: none;
  border: 1px solid var(--border);
  color: #888;
  padding: 3px 10px;
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font-serif);
  letter-spacing: 0.5px;
}

.logout-btn:hover {
  border-color: var(--red-light);
  color: var(--red-main);
}

/* 支付模态框内的表单 */
.modal-box .form-group {
  margin-bottom: 12px;
}

.modal-box .form-group label {
  display: block;
  font-size: 13px;
  color: var(--ink-light);
  margin-bottom: 4px;
  font-family: var(--font-serif);
}

.modal-box .form-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
  font-family: var(--font-sans);
}

.modal-box .form-input:focus {
  border-color: var(--gold-dark);
}