:root {
  --bg: #f5f6f8; --card: #fff; --ink: #1d2433; --muted: #667085; --line: #e3e6eb;
  --brand: #1f4e8c; --brand-ink: #fff; --accent: #e8f0fb;
  --ok: #1a7f37; --ok-bg: #e6f4ea; --warn: #8a5a00; --warn-bg: #fff4d6; --bad: #b42318; --bad-bg: #fde8e7;
  --info: #24527a; --info-bg: #eaf2fb;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }

.top { display: flex; align-items: center; gap: 24px; background: var(--brand); color: var(--brand-ink); padding: 0 20px; height: 52px; }
.top a { color: var(--brand-ink); }
.brand { font-weight: 700; font-size: 16px; white-space: nowrap; }
.brand small { font-weight: 400; opacity: .75; margin-left: 6px; font-size: 12px; }
.top nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.top nav a { padding: 6px 12px; border-radius: 6px; white-space: nowrap; opacity: .9; }
.top nav a.on, .top nav a:hover { background: rgba(255,255,255,.16); text-decoration: none; opacity: 1; }
.who { display: flex; gap: 10px; align-items: center; margin: 0; white-space: nowrap; }
.pill { display: inline-block; background: #fff; color: var(--brand); border-radius: 10px; padding: 0 7px; font-size: 12px; }
.pill.bad { background: var(--bad); color: #fff; }

.banners { max-width: 1280px; margin: 12px auto 0; padding: 0 20px; display: grid; gap: 6px; }
.banner { padding: 8px 12px; border-radius: 6px; font-size: 13px; }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.banner.bad { background: var(--bad-bg); color: var(--bad); }
.banner.info { background: var(--info-bg); color: var(--info); }

main { max-width: 1280px; margin: 0 auto; padding: 16px 20px 48px; }
h1 { font-size: 20px; margin: 8px 0 14px; }
h2 { font-size: 15px; margin: 22px 0 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 14px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.muted { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px 20px; }
.grid dt { color: var(--muted); font-size: 12px; }
.grid dd { margin: 0 0 4px; font-weight: 500; }

table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #fafbfc; font-weight: 600; font-size: 12.5px; color: var(--muted); white-space: nowrap; }
tr:hover td { background: #fafcff; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
.table-wrap table { border: 0; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; white-space: nowrap; background: #eef0f3; color: var(--muted); }
.badge.new { background: var(--accent); color: var(--brand); }
.badge.ok, .badge.A, .badge.invoiced { background: var(--ok-bg); color: var(--ok); }
.badge.asn, .badge.E, .badge.P, .badge.pending { background: var(--warn-bg); color: var(--warn); }
.badge.R, .badge.bad, .badge.duplicate, .badge.cancelled { background: var(--bad-bg); color: var(--bad); }
.badge.demo { background: #f1e8fb; color: #6b3fa0; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.tabs a { padding: 5px 12px; border-radius: 16px; background: var(--card); border: 1px solid var(--line); color: var(--ink); }
.tabs a.on { background: var(--brand); border-color: var(--brand); color: #fff; text-decoration: none; }

input, select { font: inherit; padding: 6px 8px; border: 1px solid #cfd4dc; border-radius: 6px; background: #fff; min-width: 0; }
input:focus, select:focus { outline: 2px solid #9cbcf0; border-color: var(--brand); }
input.qty { width: 90px; text-align: right; }
input.small { width: 60px; }
label { display: grid; gap: 4px; font-size: 12.5px; color: var(--muted); }
label.check { display: flex; gap: 6px; align-items: center; color: var(--ink); font-size: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px 16px; }
button, .btn { font: inherit; cursor: pointer; border: 1px solid var(--brand); background: var(--brand); color: #fff;
  padding: 7px 16px; border-radius: 6px; display: inline-block; }
button.secondary, .btn.secondary { background: #fff; color: var(--brand); }
button.link { background: none; border: 0; color: inherit; padding: 0; text-decoration: underline; }
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }

.msg { padding: 10px 12px; border-radius: 6px; margin-bottom: 10px; }
.msg.bad { background: var(--bad-bg); color: var(--bad); white-space: pre-wrap; }
.msg.warn { background: var(--warn-bg); color: var(--warn); }
.msg.ok { background: var(--ok-bg); color: var(--ok); }
ul.plain { margin: 6px 0; padding-left: 18px; }
pre.x12 { background: #0f1729; color: #d6e2ff; padding: 14px; border-radius: 8px; overflow-x: auto; font-size: 12.5px; line-height: 1.6; margin: 0; }
pre.x12 .tag { color: #7fd4ff; font-weight: 600; }
.cn { color: var(--muted); font-size: 12.5px; }

.login { max-width: 360px; margin: 10vh auto; }
.login form { display: grid; gap: 12px; }
.totals td { font-weight: 600; }

@media (max-width: 720px) {
  .top { height: auto; flex-wrap: wrap; padding: 10px 16px; gap: 8px; }
  main, .banners { padding-left: 16px; padding-right: 16px; }
}

/* DSD */
.top nav a.dim { opacity: .6; }
.actions form { display: inline; margin: 0; }
button[disabled] { opacity: .45; cursor: not-allowed; }
.badge.st-draft { background: #eef0f3; color: var(--muted); }
.badge.st-validated { background: var(--accent); color: var(--brand); }
.badge.st-ready, .badge.st-sending, .badge.st-sent { background: var(--warn-bg); color: var(--warn); }
.badge.st-acknowledged { background: var(--ok-bg); color: var(--ok); }
.badge.st-rejected, .badge.st-ack_overdue, .badge.st-needs_attention { background: var(--bad-bg); color: var(--bad); }
.form-grid select { width: 100%; }
td select { max-width: 520px; width: 100%; }
@media print {
  .top, .banners, .actions, p.muted { display: none; }
  .card { border: 0; }
}