/* Wowstars Logistics Tools – giao diện (màu thương hiệu đỏ/vàng, có thể đổi trong Cài đặt) */
.wlt-app{--wlt-primary:#D71920;--wlt-accent:#FFC20E;--wlt-ink:#1f2328;--wlt-muted:#5f6670;--wlt-line:#e3e6ea;--wlt-bg:#f6f7f9;--wlt-card:#fff;--wlt-ok:#1a7f37;--wlt-warn:#b42318;--wlt-radius:10px;
  font-family:inherit;color:var(--wlt-ink);font-size:15px;line-height:1.5;box-sizing:border-box;max-width:1280px;margin:0 auto 32px}
.wlt-app *,.wlt-app *::before,.wlt-app *::after{box-sizing:border-box}
.wlt-app h2,.wlt-app h3,.wlt-app h4{margin:0 0 .5em;line-height:1.25;color:var(--wlt-ink)}
.wlt-app h3{font-size:1.1em}
.wlt-app p{margin:0 0 .75em}
.wlt-app a{color:var(--wlt-primary)}
.wlt-ico{display:inline-flex;vertical-align:middle}

/* Bố cục hub */
.wlt-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:20px;align-items:start}
.wlt-side{position:sticky;top:90px;background:var(--wlt-card);border:1px solid var(--wlt-line);border-radius:var(--wlt-radius);overflow:hidden}
.wlt-nav{display:flex;flex-direction:column;padding:6px 0 10px}
.wlt-nav-group{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#fff;background:var(--wlt-primary);padding:7px 14px;margin-top:6px}
.wlt-nav-group:first-child{margin-top:-6px}
.wlt-nav-item{display:flex;gap:9px;align-items:center;padding:8px 14px;color:var(--wlt-ink)!important;text-decoration:none!important;border-left:3px solid transparent;font-size:14px}
.wlt-nav-item:hover{background:var(--wlt-bg)}
.wlt-nav-item.is-active{border-left-color:var(--wlt-accent);background:#fff8e1;font-weight:600}
.wlt-nav-item .wlt-ico{color:var(--wlt-primary)}
.wlt-nav-mobile{display:none;margin:0}
.wlt-main{min-width:0}
.wlt-head{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:3px solid var(--wlt-accent);padding-bottom:10px;margin-bottom:16px}
.wlt-title{display:flex;align-items:center;gap:10px;font-size:1.45em!important;margin:0!important}
.wlt-title .wlt-ico{color:var(--wlt-primary)}
.wlt-title .wlt-ico svg{width:26px;height:26px}
.wlt-lang{display:inline-flex;border:1px solid var(--wlt-line);border-radius:999px;overflow:hidden;flex:none}
.wlt-lang button{border:0;background:#fff;padding:5px 12px;font-size:13px;font-weight:700;cursor:pointer;color:var(--wlt-muted)}
.wlt-lang button.is-on{background:var(--wlt-primary);color:#fff}

/* Thành phần chung */
.wlt-card{background:var(--wlt-card);border:1px solid var(--wlt-line);border-radius:var(--wlt-radius);padding:16px;margin-bottom:16px}
.wlt-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
.wlt-grid-2{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
.wlt-split{display:grid;gap:16px;grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.wlt-grid-3{display:grid;gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}
.wlt-row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.wlt-field{display:flex;flex-direction:column;gap:4px;min-width:0;margin:0}
.wlt-label{font-size:13px;font-weight:600;color:var(--wlt-muted)}
.wlt-hint{font-size:12px;color:var(--wlt-muted)}
.wlt-input,.wlt-app input[type=text].wlt-input,.wlt-app input[type=number].wlt-input,.wlt-app input[type=date].wlt-input,.wlt-app select.wlt-input,.wlt-app textarea.wlt-input{width:100%;min-height:38px;padding:7px 10px;border:1px solid #cdd2d8;border-radius:8px;background:#fff;font:inherit;color:inherit;margin:0;box-shadow:none}
.wlt-input:focus{outline:2px solid var(--wlt-accent);outline-offset:0;border-color:var(--wlt-accent)}
.wlt-input.is-bad{border-color:var(--wlt-warn);background:#fff5f5}
.wlt-input.is-good{border-color:var(--wlt-ok);background:#f3fbf5}
.wlt-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;padding:7px 16px;border-radius:8px;border:1px solid var(--wlt-primary);background:var(--wlt-primary);color:#fff!important;font:inherit;font-weight:600;cursor:pointer;text-decoration:none!important;line-height:1.2;white-space:nowrap}
.wlt-btn:hover{filter:brightness(.93)}
.wlt-btn-ghost{background:#fff;color:var(--wlt-primary)!important}
.wlt-btn-accent{background:var(--wlt-accent);border-color:var(--wlt-accent);color:#1f2328!important}
.wlt-btn-sm{min-height:30px;padding:4px 10px;font-size:13px}
.wlt-btn[disabled]{opacity:.5;cursor:not-allowed}
.wlt-note{font-size:13px;color:var(--wlt-muted);background:var(--wlt-bg);border-left:3px solid var(--wlt-accent);padding:8px 12px;border-radius:4px;margin:10px 0}
.wlt-warn{border-left-color:var(--wlt-warn);color:var(--wlt-warn);background:#fff5f5}
.wlt-ok{border-left-color:var(--wlt-ok);color:var(--wlt-ok);background:#f3fbf5}
.wlt-loading{padding:24px;text-align:center;color:var(--wlt-muted)}
.wlt-table-wrap{overflow:auto;max-width:100%;border:1px solid var(--wlt-line);border-radius:8px}
.wlt-table{width:100%;border-collapse:collapse;font-size:14px;margin:0;background:#fff}
.wlt-table th{background:#fff8e1;text-align:left;font-weight:700;padding:8px 10px;border-bottom:2px solid var(--wlt-accent);white-space:nowrap;position:sticky;top:0}
.wlt-table td{padding:7px 10px;border-bottom:1px solid var(--wlt-line);vertical-align:top}
.wlt-table tr:hover td{background:#fafbfc}
.wlt-table .num,.wlt-num{text-align:right;font-variant-numeric:tabular-nums}
.wlt-scroll{max-height:520px}
.wlt-kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:12px 0}
.wlt-kpi{background:var(--wlt-bg);border-radius:8px;padding:10px 12px;border-top:3px solid var(--wlt-primary)}
.wlt-kpi b{display:block;font-size:1.35em;font-variant-numeric:tabular-nums}
.wlt-kpi span{font-size:12px;color:var(--wlt-muted)}
.wlt-tag{display:inline-block;font-size:12px;padding:1px 8px;border-radius:999px;background:var(--wlt-bg);border:1px solid var(--wlt-line);margin:0 4px 4px 0}
.wlt-tag.red{background:var(--wlt-primary);color:#fff;border-color:var(--wlt-primary)}
.wlt-tag.yellow{background:var(--wlt-accent);border-color:var(--wlt-accent)}
.wlt-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.wlt-tabs button{border:1px solid var(--wlt-line);background:#fff;border-radius:999px;padding:6px 14px;font:inherit;font-size:14px;cursor:pointer}
.wlt-tabs button.is-on{background:var(--wlt-primary);border-color:var(--wlt-primary);color:#fff}
.wlt-bar{height:10px;background:var(--wlt-line);border-radius:6px;overflow:hidden}
.wlt-bar>i{display:block;height:100%;background:var(--wlt-primary)}
.wlt-bar.y>i{background:var(--wlt-accent)}
.wlt-mono{font-family:ui-monospace,Menlo,Consolas,monospace}
.wlt-big{font-size:2em;font-weight:800;letter-spacing:.04em}
.wlt-muted{color:var(--wlt-muted)}
.wlt-cta{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:24px;padding:16px 18px;border-radius:var(--wlt-radius);background:linear-gradient(90deg,var(--wlt-primary),#a50f15);color:#fff}
.wlt-cta strong{font-size:1.05em}
.wlt-cta-actions{display:flex;gap:8px;flex-wrap:wrap}
.wlt-cta .wlt-btn-ghost{background:transparent;border-color:#fff;color:#fff!important}

/* Bản đồ */
.wlt-map{height:520px;border-radius:var(--wlt-radius);border:1px solid var(--wlt-line);z-index:0}
.wlt-map-fallback{height:auto;padding:12px}
.wlt-pin{width:12px;height:12px;border-radius:50%;background:var(--wlt-primary);border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.3)}
.wlt-pin.R{background:#1d70b8}.wlt-pin.I{background:var(--wlt-accent)}
.wlt-legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;margin:8px 0}
.wlt-legend i{display:inline-block;width:11px;height:11px;border-radius:50%;margin-right:5px;vertical-align:-1px}

/* 3D */
.wlt-3d{position:relative;background:linear-gradient(#fdfdfd,#eef0f3);border:1px solid var(--wlt-line);border-radius:var(--wlt-radius);overflow:hidden;touch-action:none;cursor:grab}
.wlt-3d canvas{display:block;width:100%;height:440px}
.wlt-3d-tools{position:absolute;right:8px;top:8px;display:flex;gap:6px}
.wlt-items td{padding:4px}
.wlt-items input,.wlt-items select{min-width:60px}
.wlt-swatch{display:inline-block;width:14px;height:14px;border-radius:3px;vertical-align:-2px;border:1px solid rgba(0,0,0,.2)}

/* Check digit */
.wlt-cd-boxes{display:flex;gap:4px;flex-wrap:wrap;margin:12px 0}
.wlt-cd-boxes div{width:44px;text-align:center;border:1px solid var(--wlt-line);border-radius:6px;padding:4px 0;background:#fff}
.wlt-cd-boxes div b{display:block;font-size:1.2em}
.wlt-cd-boxes div small{display:block;font-size:11px;color:var(--wlt-muted)}
.wlt-cd-boxes div.cd{border-color:var(--wlt-primary);background:#fff1f1}

/* IMDG */
.wlt-imdg{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.wlt-imdg .wlt-card{margin:0;cursor:pointer;text-align:center}
.wlt-imdg .wlt-card:hover{border-color:var(--wlt-accent)}
.wlt-imdg svg{width:120px;height:120px}

/* Quiz */
.wlt-q{margin-bottom:14px}
.wlt-q-opt{display:flex;gap:8px;align-items:flex-start;width:100%;text-align:left;border:1px solid var(--wlt-line);background:#fff;border-radius:8px;padding:9px 12px;margin:6px 0;font:inherit;cursor:pointer}
.wlt-q-opt:hover{border-color:var(--wlt-accent)}
.wlt-q-opt.is-right{border-color:var(--wlt-ok);background:#f3fbf5}
.wlt-q-opt.is-wrong{border-color:var(--wlt-warn);background:#fff5f5}
.wlt-q-opt b{flex:none;width:22px}

/* Gallery */
.wlt-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.wlt-gallery .wlt-card{margin:0}
.wlt-gallery svg{width:100%;height:auto;background:#f8fafc;border-radius:8px}
.wlt-video{position:relative;padding-top:56.25%;border-radius:8px;overflow:hidden;background:#000}
.wlt-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.wlt-specs{font-size:13px;margin:8px 0 0;padding:0;list-style:none}
.wlt-specs li{display:flex;justify-content:space-between;gap:8px;border-bottom:1px dashed var(--wlt-line);padding:3px 0}
.wlt-specs li span:last-child{font-weight:600;text-align:right}

/* Chứng từ & poster in */
.wlt-doc{background:#fff;color:#000;border:1px solid var(--wlt-line);padding:24px;font-size:13px;max-width:900px;margin:0 auto;overflow-x:auto}
@media (max-width:600px){.wlt-doc{padding:12px}.wlt-doc table{min-width:560px}}
.wlt-doc table{width:100%;border-collapse:collapse}
.wlt-doc td,.wlt-doc th{border:1px solid #333;padding:5px 6px;vertical-align:top;text-align:left}
.wlt-doc th{background:#f1f1f1}
.wlt-doc h1{font-size:20px;text-align:center;margin:8px 0 14px;letter-spacing:.05em}
.wlt-doc .doc-head{display:flex;justify-content:space-between;gap:12px;border-bottom:3px solid var(--wlt-primary);padding-bottom:8px}
.wlt-doc .doc-head img{max-height:56px}
.wlt-doc input,.wlt-doc textarea{width:100%;border:0;border-bottom:1px dotted #999;font:inherit;background:#fffdf0;padding:2px 3px;resize:vertical}
.wlt-doc .num input{text-align:right}
.wlt-poster{background:#fff;border:1px solid var(--wlt-line);padding:18px;max-width:1000px;margin:0 auto}
.wlt-poster h2{text-align:center;background:var(--wlt-primary);color:#fff!important;padding:8px;border-radius:6px}
.wlt-print .wlt-doc{border:0;padding:0}
.wlt-print .wlt-doc input,.wlt-print .wlt-doc textarea{background:transparent;border:0}
.wlt-print .no-print{display:none!important}
@media print{.wlt-doc input,.wlt-doc textarea{background:transparent;border:0}.no-print{display:none!important}}

/* Responsive */
@media (max-width:900px){
  .wlt-layout{grid-template-columns:1fr}
  .wlt-side{position:static;border:0;background:transparent}
  .wlt-nav{display:none}
  .wlt-nav-mobile{display:block}
  .wlt-grid-2,.wlt-grid-3,.wlt-split{grid-template-columns:1fr}
  .wlt-map{height:380px}
  .wlt-3d canvas{height:320px}
  .wlt-title{font-size:1.2em!important}
}
.wlt-q-opt[disabled]{color:var(--wlt-ink);opacity:1;cursor:default}