:root {
  --bg: #f4f5f7; --card: #fff; --text: #1d2330; --muted: #6b7280; --border: #e3e6ec;
  --accent: #0b7a53; --accent-text: #fff; --danger: #c0392b; --warn: #b7791f; --ok: #0b7a53; --chip: #eef1f5;
  --radius: 12px; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11151c; --card: #1a2029; --text: #e7eaf0; --muted: #9aa3b2; --border: #2a3240; --chip: #252d39;
    --accent: #2fb380; --accent-text: #08130e; --danger: #ef6b5b; --warn: #e0a84a; --ok: #2fb380; --shadow: none; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, "Segoe UI", Arial, sans-serif; }
main { max-width: 880px; margin: 0 auto; padding: 16px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 8px 0 16px; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.grow { flex: 1 1 220px; min-width: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat { background: var(--chip); border-radius: 10px; padding: 10px 12px; }
.stat b { display: block; font-size: 18px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; }
input[type=text], input[type=password], input[type=search], textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--text); font: inherit;
}
input:focus-visible, textarea:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { min-height: 96px; direction: ltr; text-align: left; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
select { font: inherit; padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--text); }
.ltr { direction: ltr; text-align: left; }
button { font: inherit; border: 1px solid var(--border); background: var(--card); color: var(--text); border-radius: 8px; padding: 8px 14px; cursor: pointer; }
button:hover { border-color: var(--muted); }
button:disabled { opacity: .55; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { color: var(--danger); }
button.icon { padding: 4px 9px; }
.chip { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; background: var(--chip); white-space: nowrap; }
.chip.ok { color: var(--ok); } .chip.warn { color: var(--warn); } .chip.bad { color: var(--danger); }
.list { border: 1px solid var(--border); border-radius: 10px; max-height: 340px; overflow: auto; }
.list label.item { display: flex; align-items: center; gap: 10px; margin: 0; padding: 9px 12px; color: var(--text); font-size: 15px; border-bottom: 1px solid var(--border); cursor: pointer; }
.list label.item:last-child { border-bottom: 0; }
.list label.item.selected { background: var(--chip); }
.list .meta { margin-inline-start: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: start; padding: 8px 6px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
td .sub { display: block; font-size: 12px; color: var(--muted); }
.actions { white-space: nowrap; }
details summary { cursor: pointer; color: var(--muted); font-size: 13px; margin-top: 12px; }
#toast { position: fixed; inset-inline: 0; bottom: 18px; margin: auto; width: fit-content; max-width: 92vw; padding: 10px 16px; border-radius: 10px;
  background: var(--text); color: var(--bg); opacity: 0; transform: translateY(8px); transition: opacity .2s, transform .2s; pointer-events: none; }
#toast.show { opacity: 1; transform: none; }
#toast.bad { background: var(--danger); color: #fff; }
.login { max-width: 360px; margin: 12vh auto 0; }
a.button { display: inline-block; text-decoration: none; border: 1px solid var(--border); border-radius: 8px; padding: 8px 14px; color: var(--text); }
a.button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
label.inline { display: inline-flex; align-items: center; gap: 4px; margin: 0; color: var(--text); white-space: nowrap; }
.list-block + .list-block { border-top: 1px solid var(--border); margin-top: 14px; padding-top: 14px; }
.items tr:not(.picker-row) > td:first-child { width: 38%; }
.qty { display: inline-block; min-width: 4.2em; text-align: center; font-variant-numeric: tabular-nums; }
.qty-in { width: 5em !important; flex: 0 0 auto; }
.add-row { margin-top: 10px; }
.picker { background: var(--chip); border-radius: 10px; padding: 10px; margin: 6px 0; }
.picker .list { background: var(--card); margin-top: 8px; max-height: 280px; }
tr.picker-row td { border-bottom: 1px solid var(--border); }
@media (max-width: 640px) {
  main { padding: 12px; }
  table, tbody, tr, td { display: block; width: 100%; }
  thead { display: none; }
  tr { border-bottom: 1px solid var(--border); padding: 8px 0; }
  td { border: 0; padding: 3px 0; }
  .items tr > td:first-child { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { #toast { transition: none; } }