:root{
  --pri:#1a1a2e;--acc:#e94560;--acc2:#f5a623;--bg:#f0f2f7;--card:#fff;
  --txt:#2d3748;--muted:#718096;--border:#e2e8f0;
  --green:#38a169;--red:#e53e3e;--blue:#3182ce;--orange:#dd6b20;
  --bsk-w:340px;
}
.catalog-body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--txt);display:flex;flex-direction:column;height:100vh;overflow:hidden;margin:0}
#hdr{background:linear-gradient(135deg,var(--pri) 0%,#16213e 100%);color:#fff;padding:10px 20px;display:flex;align-items:center;gap:16px;flex-shrink:0;box-shadow:0 2px 12px rgba(0,0,0,.3)}
#hdr .logo{font-size:22px;font-weight:800;letter-spacing:1px}
#hdr .logo span{color:var(--acc)}
#hdr .sub{font-size:11px;opacity:.6;margin-top:2px}
#hdr-right{margin-left:auto;display:flex;align-items:center;gap:8px}
.lang-switch{font-size:12px;color:#fff;opacity:.9}
.lang-switch a{color:#fff;text-decoration:none;padding:2px 6px;border-radius:4px}
.lang-switch a.active{font-weight:800;background:rgba(255,255,255,.2)}
.lang-switch a:hover{background:rgba(255,255,255,.15)}
#tb{background:#fff;border-bottom:1px solid var(--border);padding:8px 16px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex-shrink:0}
#search-box{flex:1;min-width:180px;max-width:320px;padding:7px 12px 7px 32px;border:1px solid var(--border);border-radius:8px;font-size:13px;background:#f8f9fc url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat 10px center;outline:none}
#search-box:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(233,69,96,.15)}
.tb-btn{padding:7px 14px;border-radius:8px;border:1px solid var(--border);background:#fff;font-size:12px;cursor:pointer;display:flex;align-items:center;gap:5px;white-space:nowrap;transition:.15s;color:var(--txt);text-decoration:none}
.tb-btn:hover{background:var(--bg);border-color:#c0c8d8;text-decoration:none}
.tb-btn.active{background:var(--pri);color:#fff;border-color:var(--pri)}
#bsk-btn{position:relative;background:var(--acc);color:#fff;border-color:var(--acc);font-weight:600}
#bsk-btn:hover{background:#c73652;border-color:#c73652}
#bsk-badge{position:absolute;top:-6px;right:-6px;background:#fff;color:var(--acc);border-radius:50%;width:18px;height:18px;font-size:10px;font-weight:800;display:none;align-items:center;justify-content:center;border:2px solid var(--acc)}
#bsk-badge.show{display:flex}
.sep{width:1px;height:24px;background:var(--border)}
#body-row{display:flex;flex:1;overflow:hidden}
#sidebar{width:220px;flex-shrink:0;background:#fff;border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}
#sidebar::-webkit-scrollbar{width:4px}#sidebar::-webkit-scrollbar-thumb{background:#ddd;border-radius:2px}
.sb-section{padding:12px 14px 8px;border-bottom:1px solid var(--border)}
.sb-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:8px}
.cat-item{padding:6px 10px;border-radius:6px;cursor:pointer;font-size:12.5px;display:flex;align-items:center;justify-content:space-between;transition:.12s;margin-bottom:1px}
.cat-item:hover{background:var(--bg)}
.cat-item.active{background:var(--acc);color:#fff}
.cat-item .cnt{font-size:10px;opacity:.7;background:rgba(0,0,0,.08);padding:1px 5px;border-radius:10px}
.cat-item.active .cnt{background:rgba(255,255,255,.25);opacity:1}
.price-filter{display:flex;gap:6px;align-items:center}
.price-filter input{width:70px;padding:5px 7px;border:1px solid var(--border);border-radius:6px;font-size:12px;outline:none}
.price-filter input:focus{border-color:var(--acc)}
.pf-btn{padding:5px 10px;border:none;border-radius:6px;font-size:11px;cursor:pointer;font-weight:600}
.pf-apply{background:var(--acc);color:#fff}
.pf-clear{background:var(--bg);border:1px solid var(--border);color:var(--txt)}
.pill-row{display:flex;flex-wrap:wrap;gap:4px}
.pill{padding:3px 9px;border-radius:12px;font-size:11px;cursor:pointer;border:1px solid var(--border);background:#fff;transition:.12s}
.pill:hover{border-color:var(--acc);color:var(--acc)}
.pill.active{background:var(--acc);color:#fff;border-color:var(--acc)}
#main{flex:1;overflow:auto;padding:16px}
#main::-webkit-scrollbar{width:6px;height:6px}#main::-webkit-scrollbar-thumb{background:#ddd;border-radius:3px}
#prod-count{font-size:12px;color:var(--muted);margin-bottom:10px}
.cat-block{margin-bottom:24px}
.cat-hdr{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--pri);color:#fff;border-radius:8px 8px 0 0;font-size:13px;font-weight:700;cursor:pointer;user-select:none}
.cat-hdr .ch-arrow{transition:.2s;font-size:10px}
.cat-hdr.coll .ch-arrow{transform:rotate(-90deg)}
.cat-body{border:1px solid var(--border);border-top:none;border-radius:0 0 8px 8px;overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:12.5px;background:#fff}
th{background:#f7f8fc;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);padding:9px 10px;border-bottom:2px solid var(--border);white-space:nowrap;text-align:left}
td{padding:7px 10px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:#fafbff}
.img-wrap{display:flex;flex-direction:column;align-items:center;gap:4px;width:70px}
.iw{width:62px;height:62px;border-radius:6px;overflow:hidden;border:1px solid var(--border);background:#f9f9f9;flex-shrink:0}
.iw img{width:100%;height:100%;object-fit:cover}
.no-img{width:62px;height:62px;border-radius:6px;background:linear-gradient(135deg,#f0f2f7,#e2e8f0);display:flex;align-items:center;justify-content:center;font-size:12px;color:#ccc;border:1px solid var(--border)}
.pv{font-weight:600;color:var(--pri);font-size:12px}
.add-btn{width:28px;height:28px;border-radius:50%;border:2px solid var(--acc);background:#fff;color:var(--acc);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:700;transition:.15s;margin:auto}
.add-btn:hover,.add-btn.in-bsk{background:var(--acc);color:#fff}
.stk{display:inline-flex;font-size:10px;font-weight:700;padding:2px 7px;border-radius:10px}
.sb-new{background:#c6f6d5;color:#276749}.sb-hot{background:#fed7d7;color:#c53030}
#bsk-panel{position:fixed;top:0;right:0;height:100vh;width:var(--bsk-w);background:#fff;box-shadow:-4px 0 24px rgba(0,0,0,.15);z-index:1000;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .25s ease}
#bsk-panel.open{transform:translateX(0)}
#bsk-hdr{background:var(--pri);color:#fff;padding:14px 16px;display:flex;align-items:center;gap:8px;flex-shrink:0}
#bsk-hdr .bsk-title{font-weight:700;font-size:14px;flex:1}
#bsk-close{background:rgba(255,255,255,.15);border:none;color:#fff;width:28px;height:28px;border-radius:6px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center}
#bsk-items{flex:1;overflow-y:auto;padding:8px}
.bsk-empty{text-align:center;padding:40px 20px;color:var(--muted);font-size:13px}
.bsk-item{display:flex;gap:10px;padding:10px;border:1px solid var(--border);border-radius:8px;margin-bottom:6px;align-items:flex-start;position:relative}
.bsk-info{flex:1;min-width:0}
.bsk-code{font-family:monospace;font-size:10px;color:var(--muted)}
.bsk-name{font-size:12px;font-weight:600;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bsk-row{display:flex;align-items:center;gap:6px;margin-top:5px}
.bsk-qty{width:52px;padding:4px 6px;border:1px solid var(--border);border-radius:6px;font-size:12px;font-weight:600;text-align:center;outline:none}
.bsk-qty:focus{border-color:var(--acc)}
.bsk-unit{font-size:11px;color:var(--muted)}
.bsk-line-total{font-size:12px;font-weight:700;color:var(--pri);margin-left:auto}
.bsk-rm{position:absolute;top:6px;right:6px;background:none;border:none;color:#ccc;cursor:pointer;font-size:14px}
.bsk-rm:hover{color:var(--red)}
#bsk-footer{padding:12px 16px;border-top:2px solid var(--border);flex-shrink:0;background:#f8f9fc}
.bsk-summary{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.bsk-summary .lbl{font-size:12px;color:var(--muted)}
.bsk-summary .val{font-size:15px;font-weight:800;color:var(--pri)}
.bsk-summary .sub{font-size:11px;color:var(--muted)}
.bsk-actions{display:flex;gap:6px;flex-wrap:wrap}
.bsk-actions button,.bsk-actions a{flex:1;min-width:80px;padding:8px 6px;border-radius:8px;font-size:11px;font-weight:700;cursor:pointer;border:none;transition:.15s;text-align:center;text-decoration:none;display:inline-block}
.bsk-clear{background:var(--bg);color:var(--muted);border:1px solid var(--border)!important}
.bsk-clear:hover{background:#fee2e2;color:var(--red)}
.bsk-export{background:var(--acc);color:#fff}
.bsk-export:hover{background:#c73652;color:#fff}
.bsk-export-csv{background:var(--pri);color:#fff}
.bsk-export-csv:hover{background:#2d2d4a;color:#fff}
.bsk-tpl{background:#fff;color:var(--txt);border:1px solid var(--border)!important}
.bsk-tpl:hover{background:var(--bg);color:var(--txt)}
.bsk-actions a.disabled{opacity:.45;pointer-events:none;cursor:not-allowed}
#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);padding:10px 18px;border-radius:8px;background:var(--pri);color:#fff;font-size:13px;z-index:3000;opacity:0;pointer-events:none;transition:opacity .2s}
#toast.show{opacity:1}

/* ---- 拖放上传遮罩（文档式全页拖放） ---- */
#drop-mask{position:fixed;inset:0;background:rgba(26,26,46,.55);z-index:2500;display:none;align-items:center;justify-content:center}
#drop-mask.show{display:flex}
.drop-box{border:3px dashed #fff;border-radius:16px;padding:48px 72px;text-align:center;color:#fff;background:rgba(255,255,255,.08);pointer-events:none}
.drop-icon{font-size:44px;margin-bottom:10px}
.drop-text{font-size:16px;font-weight:600}

/* ---- 导入预览模态 ---- */
.modal-mask{position:fixed;inset:0;background:rgba(26,26,46,.5);z-index:2000;display:none;align-items:center;justify-content:center;padding:24px}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:12px;width:100%;max-width:1180px;max-height:92vh;display:flex;flex-direction:column;box-shadow:0 16px 48px rgba(0,0,0,.3);overflow:hidden}
.modal-hdr{background:var(--pri);color:#fff;padding:12px 16px;display:flex;align-items:center;gap:10px;flex-shrink:0}
.modal-title{font-weight:700;font-size:14px}
.modal-file{font-size:12px;opacity:.7;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.modal-close{margin-left:auto;background:rgba(255,255,255,.15);border:none;color:#fff;width:28px;height:28px;border-radius:6px;cursor:pointer;font-size:15px}
.modal-summary{padding:10px 16px;font-size:12.5px;color:var(--muted);border-bottom:1px solid var(--border);flex-shrink:0}
.modal-summary.ok{color:var(--green);font-weight:600}
.modal-summary.bad{color:var(--red);font-weight:600}
.modal-errors{max-height:150px;overflow:auto;border-bottom:1px solid var(--border);background:#fff5f5;flex-shrink:0}
.err-table th{background:#fed7d7;color:#c53030}
.err-table td{color:#c53030;font-size:12px}
.modal-body{flex:1;overflow:auto}
.pv-table th{position:sticky;top:0;z-index:2}
.pv-table th.sortable{cursor:pointer;user-select:none}
.pv-table th.sortable:hover{color:var(--acc)}
.pv-table th.sortable .sort-arrow{font-size:9px;margin-left:3px}
.pv-table td{white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis}
.pv-table td.num{text-align:right;font-variant-numeric:tabular-nums}
.pv-table tr.row-error td{background:#fff5f5}
.pv-thumb{width:44px;height:44px;object-fit:cover;border-radius:4px;border:1px solid var(--border);display:block}
.pv-table tr.flash td{animation:rowflash 1.2s ease}
@keyframes rowflash{0%,60%{background:#ffe58f}100%{background:transparent}}
.pv-pager{display:flex;align-items:center;justify-content:center;gap:10px;padding:8px 16px;border-top:1px solid var(--border);background:#f8f9fc;flex-shrink:0}
.pv-pager span{font-size:12px;color:var(--muted)}
.pv-pager .tb-btn{padding:4px 12px}
.err-table tbody tr{cursor:pointer}
.err-table tbody tr:hover td{background:#fde8e8}
.modal-ftr{padding:12px 16px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;flex-shrink:0;background:#f8f9fc}
.modal-ftr .tb-btn.active:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:768px){
  #sidebar{display:none}
  #tb{padding:8px}
  #search-box{max-width:none;width:100%}
  #bsk-panel{width:100vw}
}