*{box-sizing:border-box}
:root{
  --bg:#f5f5f4;--card:#fff;--text:#202020;--muted:#777;--line:#e8e5e1;
  --accent:#d85b3d;--accent-soft:#fff4ef;--blue:#2f6fed;--danger:#c73d3d;
}
html,body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
img{display:block;max-width:100%}
.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.full{width:100%}
.alert{padding:12px 14px;background:#fff0f0;border:1px solid #f0bcbc;color:#9a2727;border-radius:10px;margin:12px 0}
.success{padding:12px 14px;background:#eefaf0;border:1px solid #bfe1c5;color:#24642e;border-radius:10px;margin:12px 0}

.platform-page,.login-body{min-height:100vh;display:grid;place-items:center;padding:24px}
.platform-card,.login-card{width:min(520px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 18px 60px rgba(0,0,0,.08)}
.platform-card h1,.login-card h1{margin:0 0 8px}
.merchant-list{display:grid;gap:10px;margin:22px 0}
.merchant-link{display:flex;justify-content:space-between;gap:15px;padding:14px 16px;border:1px solid var(--line);border-radius:12px}
.merchant-link span{color:var(--muted)}
.login-card label{display:grid;gap:7px;margin:14px 0}
.login-card input{width:100%;padding:12px;border:1px solid #d9d6d2;border-radius:10px}
.login-hint{font-size:13px;color:var(--muted);line-height:1.7}

.catalog-body{background:#111}
.catalog-shell{width:min(100%,720px);margin:0 auto;min-height:100vh;background:#faf9f7}
.merchant-title{height:68px;padding:10px 16px;display:flex;align-items:center;justify-content:center;gap:10px;background:#fff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:20}
.merchant-title img{width:38px;height:38px;border-radius:8px;object-fit:cover}
.merchant-title h1{font-size:18px;margin:0;text-align:center}
.merchant-title small{display:block;text-align:center;color:#8a8a8a;margin-top:2px}
.hero{background:#2a211d;aspect-ratio:16/9;overflow:hidden}
.hero img,.hero video{width:100%;height:100%;object-fit:cover}
.hero-fallback{height:100%;display:grid;place-items:center;color:#fff;font-size:30px;background:linear-gradient(135deg,#3c2d25,#8c6654)}
.search-box{margin:16px 14px 10px;background:#fff;border:2px solid #bb694f;border-radius:28px;height:54px;display:flex;align-items:center;padding:0 8px 0 16px;gap:8px}
.search-icon{font-size:27px;color:#555;line-height:1}
.search-box input{flex:1;min-width:0;border:0;outline:0;font-size:17px;background:transparent}
.search-box button{border:0;background:var(--accent);color:#fff;border-radius:21px;padding:9px 15px;cursor:pointer}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px 8px;padding:16px 14px 20px;background:#fff}
.category-item{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:15px;text-align:center}
.category-item img{width:58px;height:58px;border-radius:12px;object-fit:cover;border:2px solid transparent;background:#eee}
.category-item.active{color:var(--blue)}
.category-item.active img{border-color:var(--blue);padding:2px}
.filter-bar{display:flex;justify-content:space-between;align-items:center;background:#fff8f4;padding:10px 14px;border-top:1px solid #f0ded5;border-bottom:1px solid #f0ded5;font-size:14px}
.filter-bar a{color:var(--accent)}
.product-feed{display:grid;gap:14px;padding:14px}
.product-card{position:relative;background:#fff;border-radius:14px;overflow:hidden;border:1px solid #ece9e5;box-shadow:0 4px 18px rgba(0,0,0,.04)}
.index-badge{position:absolute;top:0;left:0;background:#ef8c8c;color:#fff;padding:6px 9px;border-radius:0 0 10px 0;z-index:2}
.product-cover{width:100%;aspect-ratio:4/3;object-fit:cover;background:#eee}
.product-meta{padding:14px}
.product-heading{display:flex;align-items:baseline;gap:10px;margin-bottom:10px}
.product-heading strong{font-size:22px}
.product-heading span{color:#777}
.product-meta dl,.detail-info dl{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;margin:0}
.product-meta dl div,.detail-info dl div{display:grid;grid-template-columns:48px 1fr;gap:7px;font-size:14px}
dt{color:#999}
dd{margin:0}
.detail-link{display:block;text-align:right;margin-top:12px;color:var(--accent);font-weight:600}
.empty{background:#fff;border-radius:12px;padding:40px 20px;text-align:center;color:#777}
.catalog-footer{padding:28px 18px 44px;text-align:center;color:#777;display:grid;gap:6px;font-size:14px}

.detail-shell{padding-bottom:40px}
.detail-topbar{height:58px;background:#fff;display:grid;grid-template-columns:50px 1fr 50px;align-items:center;position:sticky;top:0;z-index:20;border-bottom:1px solid #eee}
.detail-topbar button{border:0;background:transparent;font-size:28px;cursor:pointer}
.detail-topbar strong{text-align:center}
.gallery{background:#eee}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-bottom:4px solid #fff}
.detail-info{background:#fff;margin:14px;border-radius:14px;padding:18px}
.detail-info h1{margin:0 0 4px;font-size:30px}
.detail-name{margin:0 0 18px;color:#777}
.detail-info dl{grid-template-columns:1fr}
.detail-info dl div{grid-template-columns:70px 1fr;padding:8px 0;border-bottom:1px solid #f1efec}
.description{line-height:1.8;color:#555}
.detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 14px}

.admin-body{background:#f5f6f8}
.admin-top{background:#1f232b;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;gap:20px;position:sticky;top:0;z-index:30}
.admin-top>div{display:flex;flex-direction:column}
.admin-top small{color:#aeb5c2;margin-top:4px}
.admin-top nav{display:flex;gap:14px;flex-wrap:wrap}
.admin-top nav a{color:#e8ebf0;font-size:14px}
.admin-main{width:min(1180px,calc(100% - 30px));margin:24px auto 60px}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:16px}
.panel{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:18px;margin:16px 0;overflow:auto}
.panel h2{margin-top:0}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.stats>div{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:20px;display:grid;gap:5px}
.stats strong{font-size:32px}
.stats span{color:#777}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid label{display:grid;gap:6px;color:#555}
.form-grid input,.form-grid select,.form-grid textarea,.inline-form input,.row-edit input{width:100%;padding:10px 11px;border:1px solid #d8dce2;border-radius:8px;background:#fff}
.span-2{grid-column:1/-1}
.inline-form{display:flex;gap:10px;align-items:center}
.data-table{width:100%;border-collapse:collapse;min-width:760px}
.data-table th,.data-table td{padding:11px 10px;border-bottom:1px solid #eceef1;text-align:left;vertical-align:middle}
.data-table th{font-size:13px;color:#69707d;background:#fafbfc}
.actions{white-space:nowrap}
.actions a,.link-button{color:#2866c7;margin-right:9px}
.link-button{border:0;background:transparent;padding:0;cursor:pointer}
.link-button.danger{color:var(--danger)}
.thumb{width:52px;height:52px;object-fit:cover;border-radius:9px;background:#eee}
.product-thumb{width:74px;height:60px}
.row-edit{display:contents}
.form-preview{width:min(420px,100%);border-radius:12px}
@media(max-width:760px){
 .admin-top{align-items:flex-start;flex-direction:column}
 .admin-top nav{gap:10px}
 .form-grid{grid-template-columns:1fr}
 .span-2{grid-column:auto}
 .stats{grid-template-columns:1fr}
 .page-head{align-items:flex-start;flex-direction:column}
 .inline-form{align-items:stretch;flex-direction:column}
}
@media(min-width:721px){
 .catalog-shell{box-shadow:0 0 50px rgba(0,0,0,.35)}
}

.icp{text-align:center;margin:20px 0;color:#8a8a8a;font-size:13px}.icp a,.icp-link{color:#8a8a8a}.icp-link{margin-top:8px}
.category-cards{display:grid;gap:12px}.category-edit-card{display:grid;grid-template-columns:64px 1fr 120px minmax(180px,1fr) 80px;gap:12px;align-items:end;padding:12px;border:1px solid #eceef1;border-radius:12px}.category-edit-card label{display:grid;gap:5px;color:#666}.category-edit-card input{width:100%;padding:9px;border:1px solid #d8dce2;border-radius:8px}.category-delete{text-align:right;margin-top:-8px;margin-bottom:12px}.btn.danger{border-color:#e6b4b4;color:#a22;background:#fff5f5}
@media(max-width:760px){.category-edit-card{grid-template-columns:1fr}.category-delete{margin-top:0}.icp{padding:0 12px}}

/* V1.2.1: category editor alignment fix.
   Keep an icon slot even when a category has no icon, so every field stays in
   the same grid column instead of shifting left. */
.category-icon-slot{width:64px;min-height:52px;display:flex;align-items:flex-end;justify-content:flex-start}
.category-icon-placeholder{display:grid;place-items:center;color:#9aa1aa;font-size:12px;border:1px dashed #cfd4dc;background:#f7f8fa}
.category-name-field{grid-column:2}
.category-sort-field{grid-column:3}
.category-file-field{grid-column:4}
.category-save{grid-column:5}
@media(max-width:760px){
  .category-icon-slot,.category-name-field,.category-sort-field,.category-file-field,.category-save{grid-column:1}
  .category-icon-slot{width:64px}
}