:root {
  --bg: #f6f7f9; --card: #fff; --text: #16191d; --muted: #5d6670; --line: #dde1e6;
  --primary: #1f5eff; --primary-text: #fff; --ok: #137a3a; --ok-bg: #e6f6ec;
  --bad: #b42318; --bad-bg: #fdecea; --warn: #8a5a00; --warn-bg: #fff4dc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418; --card: #1a1e24; --text: #e8eaed; --muted: #9aa4ae; --line: #2c333b;
    --primary: #5b8cff; --ok: #6fd393; --ok-bg: #12301f; --bad: #ff8a80; --bad-bg: #3a1714; --warn: #ffcc66; --warn-bg: #3a2c0c;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--primary); }
.topbar { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.who { margin-left: auto; color: var(--muted); font-size: 14px; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 0 0 8px; }
h2 { font-size: 17px; margin: 0 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin: 0 0 16px; display: block; }
.card.narrow { max-width: 440px; margin: 40px auto; }
.card.item { color: inherit; text-decoration: none; }
.card.item:hover { border-color: var(--primary); }
.card.notice { border-color: var(--primary); }
.card.notice.bad { border-color: var(--bad); background: var(--bad-bg); }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0; }
.between { justify-content: space-between; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) { .grid2 { grid-template-columns: 1fr; } }
.field { display: block; margin: 0 0 12px; }
.field > span { display: block; font-size: 14px; color: var(--muted); margin-bottom: 4px; }
input[type=text], input[type=password], input[type=search], input[type=date], textarea {
  width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); font: inherit;
}
input[type=search] { flex: 1; min-width: 0; }
textarea { resize: vertical; }
button, .button { display: inline-block; padding: 9px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); font: inherit; cursor: pointer; text-decoration: none; }
button.primary, .button.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
button:disabled { opacity: .5; cursor: default; }
button.link { border: 0; background: none; color: var(--primary); padding: 0; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 12px; }
.tab { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--text); text-decoration: none; font-size: 14px; }
.tab.active { background: var(--text); color: var(--card); border-color: var(--text); }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; margin: 2px 4px 2px 0; background: var(--line); }
.pill.ok, .pill.open { background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.pill.warn { background: var(--warn-bg); color: var(--warn); margin-left: 6px; }
.pill.invoiced { background: var(--line); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.error { color: var(--bad); }
.warn { color: var(--warn); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }
.kv > div { margin: 2px 0; }
.notes { white-space: pre-wrap; margin-top: 6px; }
.todo { margin: 0; padding-left: 20px; }
.todo li.ok { color: var(--ok); } .todo li.bad { color: var(--bad); } .todo li.warn { color: var(--warn); }
.table-wrap { overflow-x: auto; }
table.lines { width: 100%; border-collapse: collapse; font-size: 14px; }
table.lines th, table.lines td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.lines th { color: var(--muted); font-weight: 600; }
table.lines tr.needs td { background: color-mix(in srgb, var(--bad-bg) 40%, transparent); }
.num { text-align: right !important; white-space: nowrap; }
input.price { width: 90px; text-align: right; padding: 6px; }
input.grade { width: 70px; padding: 6px; }
.status { min-width: 160px; }
/* Phones: each unit becomes a small card so the price and grade boxes stay on screen. */
@media (max-width: 640px) {
  table.stack thead { display: none; }
  table.stack, table.stack tbody, table.stack tr, table.stack td { display: block; width: 100%; }
  table.stack tbody tr { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 10px; padding: 6px 8px; }
  table.stack td { border: 0; padding: 4px 0; display: flex; justify-content: space-between; gap: 12px; text-align: right !important; }
  table.stack td[data-label]::before { content: attr(data-label); color: var(--muted); text-align: left; }
  table.stack td.status { justify-content: flex-start; flex-wrap: wrap; text-align: left !important; }
  table.stack td.status::before { display: none; }
  table.stack tfoot tr { display: flex; justify-content: space-between; gap: 8px; }
  table.stack tfoot td { width: auto; }
}
.picker { position: relative; }
.results { display: flex; flex-direction: column; }
.result { text-align: left; border-radius: 0; border-top: 0; }
.summary { margin: 8px 0; }
.sticky { position: sticky; bottom: 0; background: var(--bg); padding: 10px 0; border-top: 1px solid var(--line); }
.back { display: inline-block; margin-bottom: 8px; }
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--text); color: var(--card); padding: 10px 16px; border-radius: 8px; max-width: calc(100% - 32px); z-index: 10; }
.toast.bad { background: var(--bad); color: #fff; }
.hidden { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.print-only { display: none; }
@media print {
  body { background: #fff; color: #000; }
  .no-print, .topbar, .toast { display: none !important; }
  .print-only { display: block; }
  .card { border: 0; padding: 0; }
  main { max-width: none; padding: 0; }
  table.lines tr.needs td { background: none; }
}