:root {
  --bg: #f5f6f8; --card: #ffffff; --ink: #1f2328; --muted: #5d6876; --line: #d7dce3; --field: #fbfcfd; --accent: #1a5fd0; --accent-ink: #ffffff;
  --ok-bg: #e7f5ec; --ok: #12703a; --ok-line: #2e9b5a;
  --bad-bg: #fdecea; --bad: #b3261e; --bad-line: #d93025;
  --warn-bg: #fff6dd; --warn: #7a4a00; --warn-line: #e3a008;
  --info-bg: #e9f1fd; --info: #174ea6; --info-line: #4d86e8;
  --no-bg: #eef1f5; --no: #3c4a5c; --no-line: #8b97a7;
  --focus: #1a5fd0; color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111418; --card: #1a1f25; --ink: #e8eaed; --muted: #9ba5b2; --line: #2f3741; --field: #151a1f; --accent: #8ab4f8; --accent-ink: #0b1220;
    --ok-bg: #10291a; --ok: #8fd6a7; --ok-line: #3fa66a; --bad-bg: #3a1513; --bad: #f6aea9; --bad-line: #e46962;
    --warn-bg: #33270b; --warn: #fdd663; --warn-line: #c9961a; --info-bg: #12233d; --info: #a8c7fa; --info-line: #5b8fe0;
    --no-bg: #1e252e; --no: #c3ccd8; --no-line: #6b7787; --focus: #8ab4f8; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111418; --card: #1a1f25; --ink: #e8eaed; --muted: #9ba5b2; --line: #2f3741; --field: #151a1f; --accent: #8ab4f8; --accent-ink: #0b1220;
  --ok-bg: #10291a; --ok: #8fd6a7; --ok-line: #3fa66a; --bad-bg: #3a1513; --bad: #f6aea9; --bad-line: #e46962;
  --warn-bg: #33270b; --warn: #fdd663; --warn-line: #c9961a; --info-bg: #12233d; --info: #a8c7fa; --info-line: #5b8fe0;
  --no-bg: #1e252e; --no: #c3ccd8; --no-line: #6b7787; --focus: #8ab4f8; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.top { background: var(--card); border-bottom: 1px solid var(--line); padding: 14px 0 10px; margin-bottom: 16px; }
.top h1 { font-size: 20px; margin: 0; }
.sub { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 16px; margin: 0; }
.hist-h small, .muted { color: var(--muted); font-weight: 400; font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 20px; }
code { font-size: 13px; background: var(--no-bg); padding: 1px 4px; border-radius: 4px; }

/* ---------- banner (top summary) ---------- */
.banner { border: 2px solid; border-radius: 10px; padding: 12px 14px; margin: 0 0 16px; outline: none; }
.banner:focus-visible { box-shadow: 0 0 0 3px var(--focus); }
.banner-title { font-weight: 700; font-size: 17px; }
.banner-text { margin-top: 4px; white-space: pre-wrap; overflow-wrap: anywhere; }
.banner-list { margin: 8px 0 0; padding-left: 20px; }
.banner-list li { margin: 3px 0; overflow-wrap: anywhere; }
.banner-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.banner.error { background: var(--bad-bg); border-color: var(--bad-line); color: var(--bad); }
.banner.success { background: var(--ok-bg); border-color: var(--ok-line); color: var(--ok); }
.banner.info { background: var(--info-bg); border-color: var(--info-line); color: var(--info); }
.banner.warn { background: var(--warn-bg); border-color: var(--warn-line); color: var(--warn); }
.banner.neutral { background: var(--no-bg); border-color: var(--no-line); color: var(--no); }
.banner .banner-text, .banner .banner-list { color: var(--ink); }
.linklike { background: none; border: 0; padding: 0; font: inherit; font-weight: 400; color: inherit; text-decoration: underline; cursor: pointer; text-align: left; }
.banner.error .linklike { color: var(--bad); }

/* ---------- fields ---------- */
fieldset { border: 0; padding: 0; margin: 0 0 14px; min-width: 0; }
legend { font-weight: 600; font-size: 14px; margin-bottom: 6px; padding: 0; }
.seg { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.seg legend, .seg .ferr { grid-column: 1 / -1; }
.seg-opt { position: relative; display: block; cursor: pointer; }
.seg-opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg-opt span { display: block; border: 1px solid var(--line); border-radius: 10px; padding: 10px; height: 100%; background: var(--field); }
.seg-opt b { display: block; font-size: 15px; }
.seg-opt small { color: var(--muted); font-size: 12.5px; }
.seg-opt input:checked + span { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.seg-opt input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: 2px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 12px; }
.fld { margin-bottom: 12px; }
.fld > label { display: block; font-size: 14px; font-weight: 600; }
input, textarea, select { font: inherit; color: var(--ink); background: var(--field); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.fld > input, .fld > textarea, .fld > select { display: block; width: 100%; margin-top: 4px; }
textarea { resize: vertical; }
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }
input:disabled, textarea:disabled, select:disabled { opacity: .7; }
.hint { display: block; color: var(--muted); font-weight: 400; font-size: 12.5px; margin-top: 4px; }
.chk { display: flex; gap: 8px; align-items: flex-start; font-size: 15px; font-weight: 400 !important; cursor: pointer; }
.chk input { margin-top: 4px; }
.opts label { display: flex; gap: 8px; align-items: flex-start; font-size: 15px; margin: 4px 0; cursor: pointer; }
.opts input { margin-top: 5px; }
.sec { border-top: 1px dashed var(--line); padding-top: 14px; margin-top: 4px; }
[aria-invalid="true"] { border-color: var(--bad-line) !important; box-shadow: 0 0 0 1px var(--bad-line); }
.invalid > legend, .fld.invalid > label, .invalid .lines-head > span { color: var(--bad); }
.ferr { color: var(--bad); font-size: 14px; margin: 4px 0 0; font-weight: 600; overflow-wrap: anywhere; }
.ferr::before { content: "\26D4  "; }

/* ---------- order line rows ---------- */
.lines-head { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.lines-cols, .row { display: grid; grid-template-columns: 22px 104px minmax(0, 2.2fr) 74px 108px minmax(0, 1fr) 40px; gap: 6px; align-items: center; }
.r-num { font-size: 13px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.row.invalid .r-num { color: var(--bad); font-weight: 700; }
.lines-cols { font-size: 12px; color: var(--muted); padding: 0 2px 2px; }
.rows { list-style: none; margin: 0; padding: 0; }
.row { padding: 6px; border-radius: 8px; margin-bottom: 4px; }
.row > input, .row > select { width: 100%; min-width: 0; }
.row.invalid { background: var(--bad-bg); }
.row .row-err { grid-column: 1 / -1; margin: 0 2px 2px; }
.r-del { padding: 6px 0; width: 40px; }
.bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 6px; }
.bar.tight { margin-top: 4px; }
.paste { margin-top: 8px; }
.paste label { font-size: 13.5px; font-weight: 400; }
.paste textarea { width: 100%; margin-top: 4px; }

/* ---------- inline preview ---------- */
.preview { margin-top: 14px; border: 2px solid var(--info-line); background: var(--info-bg); border-radius: 10px; padding: 12px 14px; }
.preview.stale { border-color: var(--warn-line); background: var(--warn-bg); }
.pv-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px; align-items: baseline; }
.pv-ver { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.pv-stale { color: var(--warn); font-weight: 700; margin: 6px 0 0; }
.pv-lines { margin: 8px 0 4px; padding-left: 22px; }
.pv-lines li { margin: 2px 0; overflow-wrap: anywhere; }
.tag { display: inline-block; font-size: 12px; border: 1px solid var(--line); border-radius: 999px; padding: 0 7px; margin-left: 6px; color: var(--muted); background: var(--card); }
.tag.warn { color: var(--warn); border-color: var(--warn-line); }
.pv-totals { font-weight: 700; margin: 6px 0; font-variant-numeric: tabular-nums; }
.pv-details { margin: 0; padding-left: 18px; font-size: 14px; }
.pv-details li.missing { color: var(--bad); font-weight: 600; }
.pv-ready { margin: 8px 0 0; font-weight: 600; }
.pv-ready.ok { color: var(--ok); } .pv-ready.no { color: var(--warn); }

/* ---------- buttons / busy ---------- */
button { font: inherit; font-weight: 600; border-radius: 8px; padding: 10px 18px; cursor: pointer; border: 1px solid transparent; }
button.primary { background: var(--accent); color: var(--accent-ink); }
button.ghost { background: var(--card); color: var(--ink); border-color: var(--line); }
button:disabled { opacity: .55; cursor: not-allowed; }
.actions { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 12px; }
.busy { display: inline-flex; gap: 8px; align-items: center; color: var(--muted); font-size: 14px; }
.spin { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line); border-top-color: var(--accent); animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spin { animation: none; } }

/* ---------- history ---------- */
.history { list-style: none; padding: 0; margin: 0 0 40px; }
.res { background: var(--card); border: 1px solid var(--line); border-left-width: 6px; border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; }
.res .head { font-weight: 700; }
.res .meta { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.res .msg { white-space: pre-wrap; overflow-wrap: anywhere; margin-top: 6px; font-size: 14px; max-height: 9.5em; overflow: auto; }
.res.done { border-left-color: var(--ok-line); } .res.done .head { color: var(--ok); }
.res.info { border-left-color: var(--info-line); } .res.info .head { color: var(--info); }
.res.no_change { border-left-color: var(--no-line); } .res.no_change .head { color: var(--no); }
.res.rejected, .res.failed { border-left-color: var(--bad-line); } .res.rejected .head, .res.failed .head { color: var(--bad); }
.res.unknown, .res.warn { border-left-color: var(--warn-line); } .res.unknown .head, .res.warn .head { color: var(--warn); }
[hidden] { display: none !important; }
@media (max-width: 700px) {
  .seg { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid2 { grid-template-columns: minmax(0, 1fr); }
  .lines-cols { display: none; }
  .row { grid-template-columns: 22px minmax(0, 1fr) minmax(0, 1fr) 40px; border: 1px solid var(--line); }
  .row .r-num { grid-column: 1; grid-row: 1; }
  .row .r-op { grid-column: 2 / 4; grid-row: 1; }
  .row .r-del { grid-column: 4; grid-row: 1; }
  .row .r-product { grid-column: 2 / 5; grid-row: 2; }
  .row .r-qty { grid-column: 2; grid-row: 3; } .row .r-unit { grid-column: 3 / 5; grid-row: 3; } .row .r-size { grid-column: 2 / 5; grid-row: 4; }
  .top h1 { font-size: 18px; }
}

/* r7: staff login (checked by the relay) */
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.top-row h1 { margin: 0; }
button.small { padding: 6px 12px; font-size: 0.9rem; }
.login { max-width: 640px; }
.login h2 { margin-top: 0; }
.login .bar { align-items: center; flex-wrap: wrap; }