:root{--bg:#f4f6f8;--card:#fff;--ink:#1c2733;--mute:#6b7785;--line:#dde3ea;--pri:#0b5cad;--pri-d:#084a8b;--ok:#0f7a3d;--bad:#b3261e;--warn:#b26a00;--warn-bg:#fff4e0}
*{box-sizing:border-box}
body{margin:0;font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
button,input,select,textarea{font:inherit}
header.top{background:var(--pri);color:#fff;display:flex;align-items:center;gap:12px;padding:10px 16px;flex-wrap:wrap}
header.top h1{font-size:17px;margin:0;flex:1;min-width:180px}
header.top .who{font-size:13px;opacity:.95}
nav.tabs{background:#fff;border-bottom:1px solid var(--line);display:flex;gap:2px;padding:0 10px;overflow-x:auto}
nav.tabs a{padding:11px 14px;color:var(--ink);text-decoration:none;border-bottom:3px solid transparent;white-space:nowrap}
nav.tabs a.on{border-color:var(--pri);color:var(--pri);font-weight:600}
main{padding:16px;max-width:1300px;margin:0 auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:14px}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.kpi .l{color:var(--mute);font-size:13px}.kpi .v{font-size:22px;font-weight:700;margin-top:2px}
.kpi.big .v{color:var(--ok)}
h2{font-size:18px;margin:0 0 10px}h3{font-size:15px;margin:0 0 8px}
.mute{color:var(--mute)}.small{font-size:13px}
.neg{color:var(--bad)}.pos{color:var(--ok)}
.btn{background:var(--pri);color:#fff;border:0;border-radius:7px;padding:8px 14px;cursor:pointer}
.btn:hover{background:var(--pri-d)}
.btn.sec{background:#fff;color:var(--pri);border:1px solid var(--pri)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn.danger{background:var(--bad)}
.btn.sm{padding:4px 9px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;background:#fff}
th,td{border-bottom:1px solid var(--line);padding:7px 9px;text-align:left;white-space:nowrap}
th{background:#eef2f6;font-size:13px;color:#33414f;position:sticky;top:0}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
tr.total td{font-weight:700;background:#f7f9fb}
tr.tax td{background:#fff8e1}
.badge{display:inline-block;border-radius:10px;padding:1px 8px;font-size:12px;background:#e8eef5;color:#33414f}
.badge.warn{background:var(--warn-bg);color:var(--warn);border:1px solid #f0c987}
.badge.ok{background:#e3f4ea;color:var(--ok)}
.badge.red{background:#fde8e6;color:var(--bad)}
label{display:block;font-size:13px;color:var(--mute);margin-bottom:3px}
input,select,textarea{width:100%;padding:8px 9px;border:1px solid #c5ced8;border-radius:7px;background:#fff}
input:focus,select:focus{outline:2px solid #9cc4ee;border-color:var(--pri)}
input:disabled{background:#f1f4f7;color:#55616e}
fieldset{border:1px solid var(--line);border-radius:8px;margin:0 0 12px;padding:10px 12px}
legend{font-size:13px;color:var(--pri);font-weight:600;padding:0 6px}
.fgrid{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.note{background:var(--warn-bg);border:1px solid #f0c987;color:#6b4300;border-radius:8px;padding:8px 12px;font-size:13px;margin-bottom:12px}
.modalbg{position:fixed;inset:0;background:rgba(15,25,35,.55);display:flex;align-items:flex-start;justify-content:center;padding:24px 12px;overflow:auto;z-index:20}
.modal{background:#fff;border-radius:12px;max-width:900px;width:100%;padding:18px}
.modal.sm{max-width:520px}
.modal h2{margin-bottom:12px}
.preview{background:#f4f8fc;border:1px solid #cfe0f1;border-radius:8px;padding:10px 12px;margin-bottom:12px}
.preview .pr{display:flex;justify-content:space-between;gap:12px;padding:2px 0}
.preview .pr.b{font-weight:700;border-top:1px solid #cfe0f1;margin-top:4px;padding-top:6px}
.toast{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:#1c2733;color:#fff;padding:10px 16px;border-radius:8px;z-index:50;max-width:90vw}
.toast.err{background:var(--bad)}
.login{max-width:380px;margin:9vh auto;padding:0 14px}
.subtabs{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.subtabs button{background:#fff;border:1px solid var(--line);border-radius:18px;padding:6px 14px;cursor:pointer}
.subtabs button.on{background:var(--pri);color:#fff;border-color:var(--pri)}
.projcard{cursor:pointer}.projcard:hover{border-color:var(--pri)}
.pw{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:18px;background:#eef2f6;padding:8px 12px;border-radius:8px;display:inline-block;user-select:all}
@media(max-width:600px){main{padding:10px}.kpi .v{font-size:19px}}
/* Sửa bố cục sau khi rà trên trình duyệt thật (30/09/2026) */
td .row{flex-wrap:nowrap}
.fgrid{align-items:end}
.hint{font-size:12px;color:var(--mute);margin-top:2px;min-height:16px;font-variant-numeric:tabular-nums}
.drow{display:flex;justify-content:space-between;gap:10px;padding:3px 0}
.drow .dv{margin-left:auto;white-space:nowrap;text-align:right}
.drow.b{font-weight:700;border-top:1px solid var(--line);margin-top:4px}
@media(max-width:600px){.g4{grid-template-columns:1fr 1fr;gap:8px}.g4 .card{margin-bottom:0;padding:10px}.kpi .v{font-size:16px}.kpi .l{font-size:12px}header.top h1{font-size:15px}}
/* Bản in / PDF */
.ptable{width:100%;border-collapse:collapse;font-size:13px}
.ptable th,.ptable td{border:1px solid #c9d2dc;padding:4px 6px;white-space:nowrap}
.ptable td:first-child{white-space:normal}
.sign{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;margin-top:28px;min-height:110px}
.print{background:#fff;padding:16px;border-radius:10px}
@page{size:A4 landscape;margin:10mm}
@media print{
  header.top,nav.tabs,.noprint,.toast{display:none!important}
  body{background:#fff;font-size:12px}
  main{padding:0;max-width:none}
  .print{padding:0}
  .ptable th{position:static}
  h3{break-after:avoid}
  tr{break-inside:avoid}
}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
input.bad{border-color:var(--bad);outline-color:#f2b8b5}
.qrbox{display:grid;grid-template-columns:260px 1fr;gap:16px;align-items:start}.qrbox img{border:1px solid var(--line);border-radius:8px;background:#fff}@media(max-width:600px){.qrbox{grid-template-columns:1fr}}
/* Bảng chi tiết lô: chữ tự xuống dòng, cột kết quả cố định bên phải */
table.steps{table-layout:fixed;width:100%}
table.steps th,table.steps td{white-space:normal;vertical-align:top;overflow-wrap:anywhere}
table.steps th:nth-child(1){width:28%}table.steps th:nth-child(3){width:20%}
table.steps td:nth-child(3){white-space:nowrap;font-variant-numeric:tabular-nums}
@media(max-width:600px){table.steps th:nth-child(1){width:34%}table.steps th:nth-child(3){width:30%}table.steps td{padding:6px}}