:root {
  --bg: #f4f6f9; --card: #fff; --ink: #1d2733; --muted: #6b7684; --line: #dfe4ea;
  --brand: #1f4e78; --brand-2: #e8eff6; --good: #1e7d4f; --good-bg: #e3f4ea;
  --bad: #b3261e; --bad-bg: #fbe7e5; --mid: #a15c00; --mid-bg: #fdf0dc;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.5 "Segoe UI", Roboto, Arial, sans-serif; }
a { color: var(--brand); }
h1 { font-size: 22px; margin: 0 0 2px; }
h2 { font-size: 15px; margin: 18px 0 8px; color: var(--brand); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.ok, .good-t { color: var(--good); font-weight: 600; }
.bad-t { color: var(--bad); font-weight: 600; }

.topbar { display: flex; align-items: center; gap: 18px; background: var(--brand); color: #fff;
  padding: 0 18px; min-height: 52px; flex-wrap: wrap; }
.topbar a { color: #dce8f3; text-decoration: none; }
.brand { font-weight: 700; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.brand.big { font-size: 20px; color: var(--brand); margin-bottom: 4px; }
.logo { background: #f2b33d; color: #1f2d3d; border-radius: 6px; padding: 1px 6px; font-size: 13px; }
.topbar nav { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }
.topbar nav a { padding: 15px 11px; border-bottom: 3px solid transparent; }
.topbar nav a.on, .topbar nav a:hover { color: #fff; border-bottom-color: #f2b33d; }
.me { display: flex; gap: 12px; align-items: center; font-size: 13px; }
.me form { margin: 0; }
button.link { background: none; border: 0; color: #dce8f3; cursor: pointer; font: inherit; text-decoration: underline; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 20px 16px 48px; }
body.center .wrap { display: flex; justify-content: center; padding-top: 10vh; }
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.actions form { margin: 0; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; margin-bottom: 16px; }
.card.narrow { width: 100%; max-width: 440px; }
.form label { display: block; margin-bottom: 12px; font-weight: 600; font-size: 13px; }
.form label.inline, label.inline { display: inline-flex; gap: 6px; align-items: center; font-weight: 400; }
input, select, textarea { width: 100%; font: inherit; padding: 8px 10px; border: 1px solid #c8d0d9;
  border-radius: 7px; background: #fff; color: var(--ink); margin-top: 4px; }
input[type=checkbox], input[type=radio] { width: auto; margin: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid #9cc0e2; border-color: var(--brand); }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
fieldset[disabled] input, fieldset[disabled] select, fieldset[disabled] textarea { background: #f3f5f7; color: #4a5562; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hint { font-size: 12px; color: var(--muted); margin: 4px 0 0; }
.formactions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.formactions form { margin: 0; }

.btn { display: inline-block; padding: 8px 14px; border-radius: 7px; border: 1px solid #c8d0d9; background: #fff;
  color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { background: #f1f4f7; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: #183f61; }
.btn.danger { color: var(--bad); border-color: #e6b3ae; }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn.full { width: 100%; margin-top: 6px; padding: 10px; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; border: 1px solid; }
.flash.ok { background: var(--good-bg); border-color: #b9e1c9; color: #165c3a; }
.flash.error { background: var(--bad-bg); border-color: #f0bdb8; color: #8a1c15; }
.flash.info { background: var(--brand-2); border-color: #c6d8ea; }

.weekpick { display: flex; gap: 4px; align-items: center; margin: 0; }
.weekpick select { width: auto; margin: 0; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filters select { width: auto; margin: 0; }

.tablewrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 10px; }
table.grid { width: 100%; border-collapse: collapse; background: var(--card); }
.grid th, .grid td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.grid th { background: #f0f3f7; font-size: 12px; color: #44505e; font-weight: 700; white-space: nowrap; }
.grid td form { margin: 0; }
.grid .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.grid tr.total td { font-weight: 700; background: #f7f9fb; }
.grid tr.inactive td { opacity: .55; }
.grid td input, .grid td select { margin: 0; padding: 5px 8px; }
.inline-form { display: flex; gap: 6px; }
.inline-form input { width: 150px; }
.empty { background: var(--card); border: 1px dashed #c8d0d9; border-radius: 10px; padding: 30px; text-align: center; color: var(--muted); }

.tag { display: inline-block; padding: 1px 8px; border-radius: 20px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.tag.dat { background: var(--good-bg); color: var(--good); }
.tag.khong_dat { background: var(--bad-bg); color: var(--bad); }
.tag.lock { background: #eceff3; color: #44505e; }
.sev { font-size: 11px; font-weight: 700; padding: 0 6px; border-radius: 4px; white-space: nowrap; }
.sev.hi { background: var(--bad); color: #fff; }
.sev.mid { background: var(--mid-bg); color: var(--mid); }
.sev.lo { background: #eceff3; color: #44505e; }

.result-pick { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 6px 0 14px; }
.result-pick .lbl { font-weight: 600; font-size: 13px; margin-right: 4px; }
.choice { display: inline-flex !important; align-items: center; gap: 8px; padding: 9px 16px !important;
  border: 2px solid var(--line); border-radius: 9px; cursor: pointer; margin: 0 !important; }
.choice.dat:has(input:checked) { border-color: var(--good); background: var(--good-bg); }
.choice.khong_dat:has(input:checked) { border-color: var(--bad); background: var(--bad-bg); }
.failbox { border-left: 4px solid var(--bad); background: #fdf6f5; padding: 12px 14px; border-radius: 0 8px 8px 0; margin-bottom: 14px; }

/* ---------- report ---------- */
.report { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 22px 26px; }
.rhead { display: flex; justify-content: space-between; gap: 16px; border-bottom: 3px solid var(--brand); padding-bottom: 10px; margin-bottom: 14px; }
.rtitle { font-size: 19px; font-weight: 800; color: var(--brand); letter-spacing: .3px; }
.rsub { color: var(--muted); }
.rmeta { text-align: right; }
.grade { display: inline-block; font-weight: 800; font-size: 16px; padding: 2px 14px; border-radius: 20px; }
.g-tot { background: var(--good-bg); color: var(--good); }
.g-kha { background: var(--mid-bg); color: var(--mid); }
.g-kem { background: var(--bad-bg); color: var(--bad); }
.tiles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-bottom: 4px; }
.tile { border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; }
.tile .k { font-size: 12px; color: var(--muted); font-weight: 600; }
.tile .v { font-size: 26px; font-weight: 800; line-height: 1.2; font-variant-numeric: tabular-nums; }
.tile .v.sm { font-size: 18px; padding: 4px 0; }
.tile .s { font-size: 12px; color: var(--muted); }
.tile.good .v { color: var(--good); }
.tile.bad .v { color: var(--bad); }
.delta { font-weight: 700; white-space: nowrap; }
.delta.good { color: var(--good); } .delta.bad { color: var(--bad); } .delta.flat { color: var(--muted); font-weight: 400; }
.twocol { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.note { background: #f7f9fb; border-radius: 8px; padding: 8px 10px; white-space: pre-line; }
.wrap-text { white-space: pre-line; min-width: 220px; }
.trend { display: flex; gap: 10px; align-items: flex-end; }
.tcol { flex: 1; text-align: center; font-size: 12px; }
.tbar { display: flex; align-items: flex-end; justify-content: center; }
.tstack { width: 70%; max-width: 46px; display: flex; flex-direction: column; border-radius: 4px 4px 0 0; overflow: hidden; min-height: 2px; background: #eceff3; }
.tpass { background: #7fb79a; } .tfail { background: #d9776f; }
.tcol.cur .tpass { background: var(--good); } .tcol.cur .tfail { background: var(--bad); }
.tcol.cur .tl { font-weight: 800; color: var(--ink); }
.trate { font-weight: 700; height: 18px; }
.tn { font-weight: 700; }
.tl { color: var(--muted); }
.legend { font-size: 12px; color: var(--muted); margin-top: 6px; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin: 0 4px 0 8px; vertical-align: -1px; }
.sw.pass { background: var(--good); } .sw.fail { background: var(--bad); }
.sign { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 34px; text-align: center; }
.sign .line { height: 56px; }

@media (max-width: 760px) {
  .row, .twocol { grid-template-columns: 1fr; gap: 0; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .topbar nav a { padding: 10px 8px; }
  .report { padding: 14px; }
  .rhead { flex-direction: column; }
  .rmeta { text-align: left; }
}

@media print {
  @page { size: A4 portrait; margin: 12mm 10mm; }
  body { background: #fff; font-size: 11px; }
  .no-print, .topbar, .flash { display: none !important; }
  .wrap { max-width: none; padding: 0; }
  .report { border: 0; padding: 0; }
  .tiles { grid-template-columns: repeat(5, 1fr); }
  .twocol { grid-template-columns: 1fr 1fr; }
  .grid th, .grid td { padding: 4px 6px; }
  .tile .v { font-size: 20px; }
  h2 { font-size: 13px; margin: 12px 0 6px; break-after: avoid; }
  tr, .tile, .avoid-break { break-inside: avoid; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  a { color: inherit; text-decoration: none; }
}

/* customers */
.docs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; align-items: start; }
.docs-card { padding: 12px 14px; margin: 0; }
.docs-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; margin-bottom: 8px; }
.grid.compact th, .grid.compact td { padding: 4px 6px; font-size: 13px; }
.docs-card .tablewrap, .docs-card table { max-height: none; }
.link-x { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 16px; line-height: 1; padding: 0 4px; }
.link-x:hover { color: var(--bad); }
.docs-hint { align-self: end; margin-bottom: 14px; }

/* bulk entry */
.grid.bulk td { padding: 4px 5px; vertical-align: middle; }
.grid.bulk input, .grid.bulk select { margin: 0; padding: 6px 8px; min-width: 110px; }
.grid.bulk td.idx { width: 28px; text-align: right; }
.grid.bulk td.err { color: var(--bad); font-size: 12px; min-width: 140px; }
.grid.bulk tr.rowerr td { background: #fdf6f5; }
details.paste summary { cursor: pointer; }
details.paste textarea { font-family: Consolas, monospace; font-size: 13px; }
.grid.bulk tr.rowlate td { background: #fff7ed; }
.grade-sm { font-size: 12px; font-weight: 700; padding: 1px 8px; border-radius: 10px; white-space: nowrap; }
.grade-sm.g-tot { background: var(--good-bg); color: var(--good); }
.grade-sm.g-kha { background: var(--mid-bg); color: var(--mid); }
.grade-sm.g-kem { background: var(--bad-bg); color: var(--bad); }