:root {
    --bg:#f5f7fa;--surface:#fff;--surface2:#f0f3f8;--border:#e2e8f0;
    --accent:#2563eb;--accent2:#0891b2;--green:#059669;--red:#e11d48;--yellow:#d97706;
    --text:#1e293b;--text2:#64748b;--text3:#94a3b8;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  body{background:var(--bg);color:var(--text);font-family:'PingFang SC','Microsoft YaHei',system-ui,sans-serif;min-height:100vh;font-size:14px;line-height:1.5;}
  .header{background:linear-gradient(135deg,#1e40af,#0891b2);padding:20px 32px;display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--border);}
  .header-icon{width:40px;height:40px;background:rgba(255,255,255,0.2);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;}
  .header h1{font-size:18px;font-weight:700;color:#fff;}
  .header p{font-size:12px;color:rgba(255,255,255,0.7);margin-top:2px;}
  .upload-section{padding:24px 32px;border-bottom:1px solid var(--border);background:var(--surface);}
  .upload-zone{border:2px dashed var(--border);border-radius:12px;padding:32px;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg);position:relative;}
  .upload-zone:hover,.upload-zone.drag-over{border-color:var(--accent);background:rgba(37,99,235,.04);}
  .upload-zone input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;}
  .upload-zone h3{font-size:15px;font-weight:500;margin-bottom:4px;}
  .upload-zone p{font-size:12px;color:var(--text2);}
  .file-info{display:none;align-items:center;gap:12px;padding:10px 16px;background:rgba(5,150,105,.08);border:1px solid rgba(5,150,105,.25);border-radius:8px;margin-top:10px;font-size:13px;color:var(--green);}
  .file-info.show{display:flex;}
  .controls{padding:14px 32px;display:flex;gap:10px;flex-wrap:wrap;align-items:center;border-bottom:1px solid var(--border);background:var(--surface);}
  .ctrl-select{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 12px;font-family:inherit;font-size:13px;outline:none;cursor:pointer;}
  .btn{padding:8px 16px;border-radius:8px;border:none;cursor:pointer;font-family:inherit;font-size:13px;font-weight:500;transition:all .2s;display:flex;align-items:center;gap:6px;}
  .btn-ghost{background:var(--surface);color:var(--text2);border:1px solid var(--border);}
  .btn-ghost:hover{color:var(--text);border-color:var(--accent);}
  .btn-danger{background:transparent;color:var(--red);border:1px solid rgba(225,29,72,.3);font-size:12px;padding:5px 12px;}
  .btn-danger:hover{background:rgba(225,29,72,.06);}
  .date-bar{padding:12px 32px;display:flex;gap:10px;flex-wrap:wrap;align-items:center;border-bottom:1px solid var(--border);background:#f8faff;}
  .date-label{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.07em;white-space:nowrap;}
  .date-chip{display:inline-flex;align-items:center;padding:5px 14px;border-radius:20px;font-size:12px;font-weight:500;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text2);transition:all .15s;white-space:nowrap;}
  .date-chip:hover{border-color:var(--accent);color:var(--accent);}
  .date-chip.active{background:var(--accent);border-color:var(--accent);color:#fff;}
  .date-divider{width:1px;height:20px;background:var(--border);flex-shrink:0;}
  .date-input{border:1px solid var(--border);border-radius:8px;padding:6px 10px;font-family:inherit;font-size:13px;color:var(--text);background:var(--surface);outline:none;transition:border-color .2s;cursor:pointer;}
  .date-input:focus{border-color:var(--accent);}
  .date-range-label{font-size:12px;color:var(--text2);}
  .active-filters{display:flex;gap:6px;flex-wrap:wrap;align-items:center;}
  .filter-badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:500;background:rgba(37,99,235,.1);color:var(--accent);border:1px solid rgba(37,99,235,.2);}
  .filter-badge-x{cursor:pointer;opacity:.6;font-size:14px;line-height:1;}
  .filter-badge-x:hover{opacity:1;}
  .stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:1px;background:var(--border);border-bottom:1px solid var(--border);}
  .stat-card{background:var(--surface);padding:18px 22px;}
  .stat-label{font-size:11px;color:var(--text3);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;}
  .stat-value{font-family:'SFMono-Regular',Consolas,monospace;font-size:20px;font-weight:600;}
  .stat-value.positive{color:var(--green);}
  .stat-value.negative{color:var(--red);}
  .stat-value.neutral{color:var(--accent2);}
  .stat-sub{font-size:11px;color:var(--text3);margin-top:3px;}
  .main{padding:20px 32px;}
  .table-meta{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;flex-wrap:wrap;}
  .table-hint{font-size:12px;color:var(--text3);}

  /* ── 双滚动条容器 ── */
  .table-scroll-outer{border-radius:10px;border:1px solid var(--border);overflow:hidden;}
  .table-scrollbar-top{overflow-x:auto;overflow-y:hidden;border-bottom:1px solid var(--border);}
  .table-scrollbar-top-inner{height:8px;}
  .table-wrapper{overflow-x:auto;overflow-y:visible;}
  .table-wrapper table{min-width:100%;}

  table{width:100%;border-collapse:collapse;font-size:13px;}
  thead tr{background:var(--surface2);}
  thead th{padding:0;text-align:left;font-size:11px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;border-bottom:1px solid var(--border);position:relative;}
  .th-inner{display:flex;align-items:center;gap:4px;padding:10px 10px 10px 12px;cursor:pointer;user-select:none;transition:color .15s;}
  .th-inner:hover{color:var(--accent);}
  thead th.sorted .th-inner{color:var(--accent);}
  .sort-icon{font-size:10px;opacity:.5;}
  thead th.sorted .sort-icon{opacity:1;}
  .th-filter-btn{width:22px;height:22px;border-radius:4px;border:none;cursor:pointer;background:transparent;font-size:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s;color:var(--text3);margin-right:4px;}
  .th-filter-btn:hover{background:rgba(37,99,235,.1);color:var(--accent);}
  .th-filter-btn.has-filter{color:var(--accent);background:rgba(37,99,235,.12);}
  .col-filter-popup{display:none;position:absolute;top:calc(100% + 2px);left:0;z-index:2000;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 28px rgba(0,0,0,.13);min-width:210px;padding:14px;}
  .col-filter-popup.open{display:block;}
  .col-filter-popup.right-align{left:auto;right:0;}
  .cfp-title{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px;}
  .cfp-range{display:flex;align-items:center;gap:6px;}
  .cfp-input{flex:1;border:1px solid var(--border);border-radius:6px;padding:6px 8px;font-family:'SFMono-Regular',Consolas,monospace;font-size:12px;color:var(--text);background:var(--bg);outline:none;width:0;transition:border-color .2s;}
  .cfp-input:focus{border-color:var(--accent);}
  .cfp-sep{color:var(--text3);font-size:12px;flex-shrink:0;}
  .cfp-unit{font-size:11px;color:var(--text3);flex-shrink:0;}
  .cfp-search{width:100%;border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:12px;font-family:inherit;color:var(--text);background:var(--bg);outline:none;margin-bottom:8px;}
  .cfp-search:focus{border-color:var(--accent);}
  .cfp-opts{max-height:160px;overflow-y:auto;margin-bottom:4px;}
  .cfp-option{display:flex;align-items:center;gap:8px;padding:4px 4px;border-radius:4px;cursor:pointer;font-size:12px;}
  .cfp-option:hover{background:var(--bg);}
  .cfp-option input{accent-color:var(--accent);width:14px;height:14px;cursor:pointer;flex-shrink:0;}
  .cfp-sel-row{display:flex;gap:10px;margin-bottom:6px;}
  .cfp-sel-all{font-size:11px;color:var(--accent);cursor:pointer;}
  .cfp-sel-all:hover{text-decoration:underline;}
  .cfp-actions{display:flex;gap:6px;margin-top:10px;}
  .cfp-btn{flex:1;padding:6px;border-radius:6px;border:none;cursor:pointer;font-family:inherit;font-size:12px;font-weight:500;}
  .cfp-btn-apply{background:var(--accent);color:#fff;}
  .cfp-btn-apply:hover{background:#1d4ed8;}
  .cfp-btn-clear{background:var(--bg);color:var(--text2);border:1px solid var(--border);}
  .cfp-btn-clear:hover{color:var(--red);border-color:var(--red);}
  tbody tr{border-bottom:1px solid var(--border);transition:background .1s;cursor:pointer;}
  tbody tr:last-child{border-bottom:none;}
  tbody tr:hover{background:var(--surface2);}
  tbody td{padding:9px 12px;color:var(--text);white-space:nowrap;}

  /* 汇总行样式 */
  .summary-row td{background:rgba(37,99,235,.06);font-weight:600;border-top:2px solid var(--accent);position:sticky;bottom:0;z-index:10;}
  .summary-row td:first-child{color:var(--accent);font-size:12px;}

  .asin-code{font-family:'SFMono-Regular',Consolas,monospace;font-size:12px;color:var(--accent2);text-decoration:none;}
  .asin-code:hover{text-decoration:underline;color:var(--accent);}
  .profit-positive{color:var(--green);font-family:'SFMono-Regular',Consolas,monospace;font-size:12px;}
  .profit-negative{color:var(--red);font-family:'SFMono-Regular',Consolas,monospace;font-size:12px;}
  .num{font-family:'SFMono-Regular',Consolas,monospace;font-size:12px;}
  .tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:500;}
  .tag-us{background:rgba(37,99,235,.1);color:var(--accent);}
  .tag-uk{background:rgba(217,119,6,.1);color:var(--yellow);}
  .tag-au{background:rgba(5,150,105,.1);color:var(--green);}
  .tag-de{background:rgba(225,29,72,.1);color:var(--red);}
  .tag-other{background:rgba(148,163,184,.15);color:var(--text2);}
  .rate-pill{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-family:'SFMono-Regular',Consolas,monospace;}
  .rate-good{background:rgba(5,150,105,.1);color:var(--green);}
  .rate-warn{background:rgba(217,119,6,.1);color:var(--yellow);}
  .rate-bad{background:rgba(225,29,72,.1);color:var(--red);}
  .expand-btn{color:var(--text3);font-size:11px;}
  .detail-row td{padding:0!important;background:rgba(8,145,178,.02);}
  .pagination{display:flex;align-items:center;gap:6px;padding:14px 0;justify-content:center;}
  .page-btn{width:30px;height:30px;border-radius:6px;border:1px solid var(--border);background:var(--surface);color:var(--text2);cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;transition:all .15s;}
  .page-btn:hover{border-color:var(--accent);color:var(--accent);}
  .page-btn.active{background:var(--accent);border-color:var(--accent);color:#fff;}
  .page-info{font-size:12px;color:var(--text3);padding:0 6px;}
  .empty-state{text-align:center;padding:80px 32px;color:var(--text3);}
  .empty-state .icon{font-size:48px;margin-bottom:16px;}
  .empty-state h3{font-size:16px;color:var(--text2);margin-bottom:8px;}
  .loading{text-align:center;padding:60px;}
  .spinner{width:34px;height:34px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 14px;}
  @keyframes spin{to{transform:rotate(360deg);}}

  /* ── 横屏全屏模式（直接全屏化#app，保留全部交互） ── */
  .btn-landscape{background:var(--accent2);color:#fff;border:none;padding:6px 14px;border-radius:8px;cursor:pointer;font-size:12px;font-weight:500;display:inline-flex;align-items:center;gap:5px;}
  .btn-landscape:hover{background:#0e7490;}
  body.fs-mode{overflow:hidden!important;}
  body.fs-mode .header,
  body.fs-mode .upload-section{display:none!important;}
  body.fs-mode #app{position:fixed;inset:0;z-index:9999;background:var(--bg);overflow-y:auto;margin:0;padding:0;padding-top:48px;}
  body.fs-mode .stats-grid,
  body.fs-mode .date-bar,
  body.fs-mode .controls{display:none!important;}
  #fsExitBar{display:none;position:fixed;top:0;left:0;right:0;height:48px;background:linear-gradient(135deg,#1e40af,#0891b2);padding:0 16px;align-items:center;justify-content:space-between;z-index:99999;}
  body.fs-mode #fsExitBar{display:flex!important;}
  #fsExitBar span{color:#fff;font-size:13px;font-weight:600;}
  .btn-exit-fs{background:rgba(255,255,255,.25);color:#fff;border:2px solid rgba(255,255,255,.5);padding:8px 20px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;transition:all .15s;}
  .btn-exit-fs:hover{background:rgba(255,255,255,.45);border-color:#fff;}

  @media(max-width:768px){
    .header{padding:14px 16px;}
    .upload-section{padding:16px;}
    .controls{padding:10px 16px;}
    .date-bar{padding:10px 16px;}
    .main{padding:12px 16px;}
    .stats-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));}
    .stat-card{padding:12px 14px;}
    .stat-value{font-size:16px;}
  }

  /* ── Tab导航 ── */
  .tab-nav{display:flex;gap:0;background:var(--surface);border-bottom:1px solid var(--border);padding:0 32px;}
  .tab-btn{padding:12px 24px;font-size:14px;font-weight:500;color:var(--text2);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;font-family:inherit;transition:all .15s;white-space:nowrap;}
  .tab-btn:hover{color:var(--accent);}
  .tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);}
  .tab-content{display:none;}
  .tab-content.active{display:block;}

  /* ── Tab2 库存看板样式 ── */
  .inv-upload-row{display:flex;gap:16px;flex-wrap:wrap;padding:20px 32px;background:var(--surface);border-bottom:1px solid var(--border);}
  .inv-upload-box{flex:1;min-width:260px;border:2px dashed var(--border);border-radius:10px;padding:20px;text-align:center;cursor:pointer;position:relative;transition:all .2s;background:var(--bg);}
  .inv-upload-box:hover{border-color:var(--accent);}
  .inv-upload-box input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;}
  .inv-upload-box h4{font-size:13px;font-weight:500;margin-bottom:2px;}
  .inv-upload-box p{font-size:11px;color:var(--text3);}
  .inv-upload-box.done{border-color:var(--green);border-style:solid;background:rgba(5,150,105,.04);}
  .inv-upload-box.done h4{color:var(--green);}
  .inv-toggle-row{padding:10px 32px;display:flex;gap:16px;align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--border);background:#f8faff;}
  .inv-toggle{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text2);cursor:pointer;user-select:none;}
  .inv-toggle input{accent-color:var(--accent);width:15px;height:15px;}
  .inv-status-pill{display:inline-block;padding:2px 10px;border-radius:20px;font-size:11px;font-weight:500;font-family:'SFMono-Regular',Consolas,monospace;}
  .inv-safe{background:rgba(5,150,105,.1);color:var(--green);}
  .inv-warn{background:rgba(217,119,6,.1);color:var(--yellow);}
  .inv-danger{background:rgba(225,29,72,.1);color:var(--red);}
  .inv-na{background:rgba(148,163,184,.15);color:var(--text3);}
  /* ── 补货模块新增样式 ── */
  .inv-redundant{background:rgba(8,145,178,.1);color:var(--accent2);}
  .inv-critical-redundant{background:rgba(234,88,12,.1);color:#ea580c;}
  .inv-urgent{background:rgba(225,29,72,.15);color:var(--red);font-weight:600;}
  .inv-replenish-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin:8px 0;font-size:13px;}
  .inv-batch-row{display:flex;gap:8px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--border);}
  .inv-batch-row:last-child{border-bottom:none;}
  .inv-batch-num{font-size:11px;font-weight:700;background:var(--accent);color:#fff;border-radius:4px;padding:2px 8px;flex-shrink:0;margin-top:2px;}
  .inv-batch-info{flex:1;line-height:1.8;color:var(--text2);font-size:12px;}
  .inv-batch-info b{color:var(--text);}
  .inv-timeline-row{display:flex;gap:8px;align-items:center;padding:5px 0;font-size:12px;border-bottom:1px solid var(--border);flex-wrap:wrap;}
  .inv-timeline-row:last-child{border-bottom:none;}
  .inv-tl-id{font-weight:600;color:var(--accent);min-width:140px;}
  .inv-tl-qty{font-family:'SFMono-Regular',Consolas,monospace;color:var(--green);font-weight:600;}
  .inv-tl-node{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text2);}
  .inv-tl-ok{color:var(--green);}
  .inv-tl-warn{color:var(--yellow);}
  .inv-tl-pending{color:var(--text3);}
  .inv-manual-edit{display:inline-flex;align-items:center;gap:6px;font-size:12px;}
  .inv-manual-input{border:1px solid var(--border);border-radius:6px;padding:3px 8px;font-size:12px;width:80px;font-family:inherit;}
  .inv-section-title{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.06em;margin:12px 0 6px;}
  .inv-sales-window-bar{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text2);}
  .inv-window-chip{display:inline-flex;align-items:center;padding:3px 12px;border-radius:20px;font-size:12px;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text2);transition:all .15s;}
  .inv-window-chip:hover{border-color:var(--accent);color:var(--accent);}
  .inv-window-chip.active{background:var(--accent);border-color:var(--accent);color:#fff;}
  .inv-promo-btn{padding:5px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text2);font-size:12px;cursor:pointer;font-family:inherit;}
  .inv-promo-btn:hover{border-color:var(--accent);color:var(--accent);}
  .inv-promo-panel{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin:8px 32px;display:none;}
  .inv-promo-panel.open{display:block;}
  .inv-promo-form{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px;}
  .inv-promo-form input,.inv-promo-form select{border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-size:12px;font-family:inherit;outline:none;background:var(--bg);}
  .inv-promo-form input:focus,.inv-promo-form select:focus{border-color:var(--accent);}
  .inv-promo-form label{font-size:11px;color:var(--text2);display:flex;flex-direction:column;gap:3px;}
  .inv-promo-tag{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:20px;background:rgba(217,119,6,.1);color:var(--yellow);border:1px solid rgba(217,119,6,.3);font-size:11px;margin:2px;}
  .inv-warning-badge{font-size:11px;color:var(--yellow);background:rgba(217,119,6,.08);border:1px solid rgba(217,119,6,.25);border-radius:4px;padding:2px 8px;margin-left:6px;}


.local-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.local-badge{font-size:11px;color:#d1fae5;white-space:nowrap}
.local-button{padding:7px 11px;border:1px solid #ffffff55;background:#ffffff16;color:white;border-radius:6px;font:inherit;font-size:12px;cursor:pointer}
.local-button:hover{background:#ffffff30}
.local-notice{padding:7px 32px;color:var(--text2);font-size:12px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.local-notice button{background:none;border:0;color:var(--accent);font:inherit;cursor:pointer;text-decoration:underline}
.local-notice .status-dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}
#localError{padding:20px 32px;color:var(--red);display:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
@media(max-width:600px){.header{flex-wrap:wrap}.local-actions{width:100%;margin:0;justify-content:flex-start}.local-notice{padding:8px 16px}}

.access-banner{padding:9px 32px;background:#1e3a8a;color:#dbeafe;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;flex-wrap:wrap}
.access-banner button{font:inherit;font-weight:600;border:1px solid #ffffff44;border-radius:6px;padding:5px 11px;color:#fff;background:#ffffff12;cursor:pointer}
.access-banner button:hover{background:#ffffff24}
.access-banner.unlocked{background:#ecfdf5;color:#047857;border-bottom:1px solid #a7f3d0}
.access-banner.unlocked button{color:#047857;border-color:#a7f3d0;background:#fff}
.access-modal{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(15,23,42,.48);backdrop-filter:blur(5px)}
.access-modal[hidden]{display:none}
.access-card{position:relative;background:#fff;border:1px solid #e2e8f0;border-radius:16px;max-width:390px;width:100%;padding:30px;box-shadow:0 24px 64px #0f172a33}
.access-close{position:absolute;right:15px;top:12px;border:0;background:transparent;color:#94a3b8;font-size:25px;cursor:pointer}
.access-icon{width:48px;height:48px;background:#eff6ff;display:flex;align-items:center;justify-content:center;border-radius:12px;font-size:24px;margin-bottom:18px}
.access-card h2{font-size:21px;color:#1e293b;margin-bottom:7px}
.access-card p{font-size:13px;color:#64748b;line-height:1.7;margin-bottom:24px}
.access-card label{display:block;font-size:12px;color:#475569;margin-bottom:8px}
.access-card input{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:11px 12px;font:inherit;color:#1e293b;background:#f8fafc}
.access-card input:focus{border-color:#2563eb;outline:2px solid #dbeafe;outline-offset:1px}
.access-error{color:#e11d48;font-size:12px;min-height:30px;padding-top:6px}
.access-submit{width:100%;border:0;border-radius:8px;background:#2563eb;color:#fff;padding:11px;font:inherit;font-weight:600;cursor:pointer}
.access-submit:hover{background:#1d4ed8}
.access-submit:disabled{opacity:.6;cursor:wait}
.access-footnote{display:block;color:#94a3b8;font-size:11px;line-height:1.7;margin-top:17px}
.inv-upload-row input:disabled{cursor:not-allowed}
@media(max-width:600px){.access-banner{padding:9px 16px}.access-card{padding:25px}}