/* ============================================================
   晨焕柔荑商城 · 当当网风格 全量重绘 v1
   ============================================================ */

/* ---------- Custom Properties ---------- */
:root {
  --primary: #ff2832;
  --primary-dark: #e6181f;
  --primary-light: #fff1f1;
  --primary-glow: rgba(255, 40, 50, .25);
  --accent: #ff9a00;
  --gold: #ff9a00;
  --ink: #333;
  --ink-strong: #222;
  --muted: #999;
  --line: #e6e6e6;
  --line-strong: #d9d9d9;
  --bg: #fff;
  --bg2: #f5f5f5;
  --card: #fff;
  --card-solid: #fff;
  --input-bg: #fff;
  --success: #42b035;
  --warning: #ff9a00;
  --danger: #f20d0d;
  --link: #1a66b3;
  --radius: 4px;
  --shadow: 0 2px 8px rgba(0, 0, 0, .08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, .12);
  --max-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { color: var(--ink-strong); font-weight: 700; }

/* ---------- Header ---------- */
.shop-header { background: #fff; border-bottom: 2px solid var(--primary); position: sticky; top: 0; z-index: 100; }
.shop-header-top { background: var(--bg2); border-bottom: 1px solid var(--line); font-size: 12px; color: #666; }
.shop-header-top a { color: #666; }
.shop-header-top a:hover { color: var(--primary); }
.shop-header-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.shop-brand { display: flex; align-items: center; gap: 10px; }
.shop-brand img { width: 40px; height: 40px; border-radius: 8px; }
.shop-brand span { font-size: 20px; font-weight: 700; color: var(--primary); }
.shop-nav { display: flex; align-items: center; gap: 4px; }
.shop-nav a { padding: 8px 16px; color: var(--ink-strong); font-weight: 700; font-size: 15px; }
.shop-nav a:hover, .shop-nav a.active { color: var(--primary); }
.shop-actions { display: flex; align-items: center; gap: 10px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 22px; border: 1px solid transparent; border-radius: var(--radius);
  font-size: 14px; cursor: pointer; white-space: nowrap; transition: all .15s; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff !important; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: #fff; color: var(--ink) !important; border-color: var(--line-strong); }
.btn-outline:hover { color: var(--primary) !important; border-color: var(--primary); }
.btn-ghost { background: transparent; color: var(--ink) !important; }
.btn-ghost:hover { color: var(--primary) !important; }
.btn-danger { background: var(--danger); color: #fff !important; }
.btn-success { background: var(--success); color: #fff !important; }
.btn-sm { padding: 4px 12px; font-size: 12px; }
.btn-lg { padding: 12px 32px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }

/* ---------- Shop Top / Hero ---------- */
.shop-hero {
  background: linear-gradient(135deg, #fff6f5 0%, #fdecea 100%);
  border-bottom: 1px solid var(--line);
  padding: 48px 16px;
  text-align: center;
}
.shop-hero h1 { font-size: 30px; margin-bottom: 10px; }
.shop-hero h1 em { font-style: normal; color: var(--primary); }
.shop-hero p { color: #666; font-size: 14px; }

/* ---------- Category Tabs ---------- */
.category-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.cat-tab {
  padding: 7px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-size: 13px;
}
.cat-tab:hover { border-color: var(--primary); color: var(--primary); }
.cat-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- Sections ---------- */
.section { max-width: var(--max-width); margin: 0 auto; padding: 32px 16px; }
.section > h2 { font-size: 20px; padding-left: 12px; border-left: 4px solid var(--primary); margin-bottom: 20px; line-height: 1.25; }

/* ---------- Product Grid ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .15s;
  display: flex;
  flex-direction: column;
}
.product-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.product-card img, .product-card .thumb { width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--bg2); }
.product-card-body { padding: 12px 14px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.product-card-body h3 { font-size: 14px; font-weight: 400; line-height: 1.5; }
.product-card-body h3 a { color: var(--ink-strong); }
.product-card-body h3 a:hover { color: var(--primary); }
.merchant-name { font-size: 12px; color: var(--muted); }
.merchant-name a { color: var(--link); }
.product-card .price { font-size: 18px; margin-top: auto; }
.price { color: var(--primary); font-weight: 700; }
.price small { font-size: 12px; font-weight: 400; }
.tag {
  display: inline-block; padding: 1px 8px; font-size: 12px;
  border-radius: 2px; background: var(--primary-light); color: var(--primary);
  border: 1px solid rgba(255, 40, 50, .3); align-self: flex-start;
}

/* ---------- Product Detail ---------- */
.product-layout { display: grid; grid-template-columns: 420px 1fr; gap: 24px; max-width: var(--max-width); margin: 0 auto; padding: 24px 16px; }
.product-gallery {
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--bg2); align-self: start;
}
.product-gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.product-info h1 { font-size: 20px; margin-bottom: 12px; line-height: 1.5; }
.product-info .price { font-size: 26px; margin: 12px 0; }
.specs-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.spec-tag {
  padding: 3px 12px; border: 1px solid var(--line-strong);
  border-radius: var(--radius); font-size: 12px; color: #666;
}
.spec-tag.active { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.merchant-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; background: #fafafa; margin: 16px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.merchant-card strong { color: var(--ink-strong); }

/* ---------- Auth ---------- */
.auth-page { min-height: calc(100vh - 96px); background: var(--bg2); display: flex; align-items: flex-start; justify-content: center; padding: 48px 16px; }
.auth-card { width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 36px; }
.auth-card h1 { font-size: 22px; margin-bottom: 4px; text-align: center; }
.auth-subtitle { text-align: center; font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.auth-form .form-group { margin-bottom: 16px; }
.checkbox-label { display: flex; align-items: flex-start; gap: 6px; font-size: 12px; color: var(--muted); }
.auth-footer { margin-top: 16px; text-align: center; font-size: 13px; color: var(--muted); }
.auth-hint { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 700; margin-bottom: 6px; }
.form-control {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--input-bg); color: var(--ink); outline: none; transition: border-color .15s;
}
.form-control:focus { border-color: var(--primary); }
.form-control.is-invalid { border-color: var(--danger); }

/* ---------- Cart / Checkout ---------- */
.cart-item {
  display: flex; align-items: center; gap: 14px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; padding: 14px; margin-bottom: 12px;
}
.cart-item img { width: 80px; height: 80px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); }
.cart-total { text-align: right; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.cart-total .price { font-size: 22px; }
.checkout-layout { display: grid; grid-template-columns: 1fr 320px; gap: 20px; max-width: var(--max-width); margin: 0 auto; padding: 24px 16px; }
.checkout-main, .checkout-side { min-width: 0; align-self: start; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); }
th { background: #fafafa; font-weight: 700; white-space: nowrap; }
tbody tr:hover { background: #fffbfb; }
tbody tr:last-child td { border-bottom: none; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 2px 10px; border-radius: 2px; font-size: 12px; }
.badge-pending { background: #fff7e8; color: var(--warning); border: 1px solid rgba(255, 154, 0, .4); }
.badge-paid { background: #eef6fd; color: var(--link); border: 1px solid rgba(26, 102, 179, .4); }
.badge-shipped { background: var(--primary-light); color: var(--primary); border: 1px solid rgba(255, 40, 50, .4); }
.badge-completed { background: #f0f9ee; color: var(--success); border: 1px solid rgba(66, 176, 53, .4); }
.badge-cancelled { background: #f5f5f5; color: var(--muted); border: 1px solid var(--line); }

/* ---------- Alerts ---------- */
.alert { padding: 10px 14px; border-radius: var(--radius); font-size: 13px; margin-bottom: 16px; border: 1px solid transparent; }
.alert-error { background: #fff0f0; color: var(--danger); border-color: rgba(242, 13, 13, .3); }
.alert-success { background: #f0f9ee; color: var(--success); border-color: rgba(66, 176, 53, .3); }

/* ---------- Dashboard / Admin ---------- */
.dashboard-layout { display: grid; grid-template-columns: 220px 1fr; gap: 20px; max-width: var(--max-width); margin: 0 auto; padding: 20px 16px; }
.dashboard-sidebar, .admin-sidebar {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 0; align-self: start;
}
.dashboard-sidebar a, .admin-sidebar a {
  display: block; padding: 10px 20px; color: var(--ink);
  border-left: 3px solid transparent; font-size: 14px;
}
.dashboard-sidebar a:hover, .admin-sidebar a:hover { background: var(--bg2); color: var(--primary); }
.dashboard-sidebar a.active, .admin-sidebar a.active {
  background: var(--primary-light); color: var(--primary); border-left-color: var(--primary); font-weight: 700;
}
.stats-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stat-card strong { display: block; font-size: 24px; color: var(--primary); }
.stat-card span { font-size: 12px; color: var(--muted); }
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.panel h2, .panel h3 { font-size: 16px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.admin-layout { display: grid; grid-template-columns: 220px 1fr; gap: 20px; max-width: var(--max-width); margin: 0 auto; padding: 20px 16px; }
.admin-kpi { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }

/* ---------- Search / Error / Empty ---------- */
.search-bar { display: flex; max-width: 640px; margin: 0 auto 24px; }
.search-bar input {
  flex: 1; padding: 10px 14px;
  border: 2px solid var(--primary); border-right: none;
  border-radius: var(--radius) 0 0 var(--radius); outline: none;
}
.search-bar button, .search-bar .btn { border-radius: 0 var(--radius) var(--radius) 0; }
.error-page { text-align: center; padding: 80px 16px; }
.error-card h1 { font-size: 56px; color: var(--primary); margin-bottom: 12px; }
.empty-state { text-align: center; padding: 64px 16px; color: var(--muted); }

/* ---------- Footer ---------- */
.shop-footer { background: var(--bg2); border-top: 1px solid var(--line); margin-top: 48px; }
.shop-footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 32px 16px 0; }
.shop-footer-bottom {
  border-top: 1px solid var(--line);
  padding: 16px 0; text-align: center;
  font-size: 12px; color: var(--muted);
}
.shop-footer-bottom a { color: var(--muted); }
.shop-footer-bottom a:hover { color: var(--primary); }

/* ---------- Utilities ---------- */
.mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.text-center { text-align: center; } .text-muted { color: var(--muted); }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* ---------- shop-* 平行类（尾部套件） ---------- */
.shop-top-bar { background: var(--bg2); border-bottom: 1px solid var(--line); font-size: 12px; color: #666; }
.shop-top-left, .shop-top-right { display: flex; align-items: center; gap: 10px; }
.shop-top-right a { color: #666; }
.shop-top-right a:hover { color: var(--primary); }
.shop-back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); padding: 6px 12px; border-radius: var(--radius); }
.shop-back-link:hover { color: var(--primary); background: var(--primary-light); }
.shop-btn { display: inline-flex; align-items: center; justify-content: center; padding: 8px 20px; border-radius: var(--radius); border: 1px solid transparent; font-size: 14px; cursor: pointer; }
.shop-btn-primary { background: var(--primary); color: #fff !important; }
.shop-btn-primary:hover { background: var(--primary-dark); }
.shop-btn-ghost { background: #fff; color: var(--ink) !important; border-color: var(--line-strong); }
.shop-btn-ghost:hover { color: var(--primary) !important; border-color: var(--primary); }
.shop-btn-sm { padding: 4px 12px; font-size: 12px; }
.shop-category-tabs, .category-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.shop-cat-tab { padding: 7px 18px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; color: var(--ink); font-size: 13px; }
.shop-cat-tab:hover, .shop-cat-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.shop-flex-between { display: flex; align-items: center; justify-content: space-between; }
.shop-footer-col h4 { font-size: 14px; margin-bottom: 12px; }
.shop-footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-bottom: 24px; }
.shop-footer-grid a, .shop-footer-grid p { display: block; font-size: 12px; color: #666; margin-bottom: 8px; }
.shop-footer-grid a:hover { color: var(--primary); }
.shop-form-input { width: 100%; padding: 9px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius); outline: none; }
.shop-form-input:focus { border-color: var(--primary); }
.shop-hero-content { max-width: 720px; margin: 0 auto; }
.shop-main-content { max-width: var(--max-width); margin: 0 auto; padding: 0 16px; }
.shop-main-nav { display: flex; align-items: center; gap: 4px; }
.shop-nav-link, .shop-nav-links a { padding: 8px 16px; color: var(--ink-strong); font-weight: 700; }
.shop-nav-link:hover, .shop-nav-link.active { color: var(--primary); }
.shop-pagination { display: flex; justify-content: center; gap: 6px; margin: 24px 0; }
.shop-pagination a, .shop-pagination span {
  min-width: 34px; height: 34px; padding: 0 10px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: #fff; color: var(--ink); font-size: 13px;
}
.shop-pagination a:hover { border-color: var(--primary); color: var(--primary); }
.shop-pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }
.shop-pagination .disabled { color: #ccc; }
.shop-product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.shop-product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .15s; }
.shop-product-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.shop-product-img { width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--bg2); }
.shop-product-body { padding: 12px 14px; }
.shop-product-title { font-size: 14px; font-weight: 400; color: var(--ink-strong); line-height: 1.5; margin-bottom: 6px; }
.shop-product-title:hover { color: var(--primary); }
.shop-product-merchant { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.shop-product-price { font-size: 18px; color: var(--primary); font-weight: 700; }
.shop-tag { display: inline-block; padding: 1px 8px; font-size: 12px; border-radius: 2px; background: var(--primary-light); color: var(--primary); border: 1px solid rgba(255, 40, 50, .3); }
.shop-empty-state { text-align: center; padding: 64px 16px; color: var(--muted); }
.shop-search-form { display: flex; }
.shop-search-form input { flex: 1; padding: 10px 14px; border: 2px solid var(--primary); border-right: none; border-radius: var(--radius) 0 0 var(--radius); outline: none; }
.shop-search-form button { border-radius: 0 var(--radius) var(--radius) 0; }
.shop-search-bar { display: flex; max-width: 640px; margin: 0 auto 24px; }
.shop-text-muted { color: var(--muted); }
.shop-section { max-width: var(--max-width); margin: 0 auto; padding: 32px 16px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .product-grid, .shop-product-grid { grid-template-columns: repeat(3, 1fr); }
  .product-layout { grid-template-columns: 1fr; }
  .product-gallery { max-width: 480px; }
  .stats-cards, .admin-kpi { grid-template-columns: repeat(2, 1fr); }
  .checkout-layout { grid-template-columns: 1fr; }
  .dashboard-layout, .admin-layout { grid-template-columns: 1fr; }
  .shop-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .product-grid, .shop-product-grid { grid-template-columns: repeat(2, 1fr); }
  .shop-header-main { height: auto; flex-wrap: wrap; padding: 10px 16px; }
  .shop-nav { order: 3; width: 100%; overflow-x: auto; }
  .shop-footer-grid { grid-template-columns: 1fr; }
  .stats-cards, .admin-kpi { grid-template-columns: 1fr; }
  .shop-hero { padding: 32px 16px; }
}