:root {
  --bg: #f6f3ee;
  --surface: #ffffff;
  --surface-2: #f0ebe3;
  --text: #1f1b16;
  --muted: #6b6258;
  --line: #e2dbd0;
  --accent: #8a4b14;
  --accent-ink: #ffffff;
  --accent-soft: #f6e7d6;
  --ok: #1f7a4d;
  --ok-soft: #e1f2e8;
  --warn: #9a5b00;
  --warn-soft: #fdf0d6;
  --danger: #b3261e;
  --danger-soft: #fbe4e2;
  --shadow: 0 1px 2px rgba(31, 27, 22, .06), 0 4px 16px rgba(31, 27, 22, .06);
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161412; --surface: #201d1a; --surface-2: #2a2622; --text: #f2ede6; --muted: #a89e92;
    --line: #3a342e; --accent: #e0a060; --accent-ink: #1a120a; --accent-soft: #3a2a1a;
    --ok: #6fcf9a; --ok-soft: #1c3327; --warn: #f0b860; --warn-soft: #3a2c14;
    --danger: #f28b82; --danger-soft: #3b1f1d; --shadow: 0 1px 2px rgba(0,0,0,.3);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #161412; --surface: #201d1a; --surface-2: #2a2622; --text: #f2ede6; --muted: #a89e92;
  --line: #3a342e; --accent: #e0a060; --accent-ink: #1a120a; --accent-soft: #3a2a1a;
  --ok: #6fcf9a; --ok-soft: #1c3327; --warn: #f0b860; --warn-soft: #3a2c14;
  --danger: #f28b82; --danger-soft: #3b1f1d; --shadow: 0 1px 2px rgba(0,0,0,.3);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
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(--accent); }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }
header.top { padding: 28px 0 12px; }
header.top h1 { margin: 0 0 4px; font-size: clamp(1.5rem, 4vw, 2rem); letter-spacing: -.01em; }
header.top p { margin: 0; color: var(--muted); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin: 14px 0; }
.notice { border-radius: var(--radius); padding: 12px 14px; margin: 12px 0; background: var(--accent-soft); }
.notice.ok { background: var(--ok-soft); }
.notice.warn { background: var(--warn-soft); }
.notice.danger { background: var(--danger-soft); color: var(--danger); }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.hidden { display: none !important; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

button, .btn {
  font: inherit; cursor: pointer; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); padding: 9px 14px; text-decoration: none; display: inline-flex;
  align-items: center; gap: 6px; min-height: 40px;
}
button:hover, .btn:hover { border-color: var(--accent); }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.danger { color: var(--danger); }
button:disabled { opacity: .5; cursor: not-allowed; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 12px; width: 100%; min-height: 40px;
}
label { display: block; font-weight: 600; margin: 12px 0 4px; font-size: .95rem; }
label .muted { font-weight: 400; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
@media (max-width: 600px) { .grid2 { grid-template-columns: 1fr; } }

/* catalogue */
.tools { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 10px 0 8px; }
.chips { display: flex; gap: 6px; overflow-x: auto; padding: 8px 0 2px; scrollbar-width: thin; }
.chip { white-space: nowrap; border-radius: 999px; padding: 6px 12px; min-height: 34px; font-size: .9rem; }
.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.chip .n { opacity: .6; margin-left: 4px; }
.cat-head { margin: 22px 0 6px; font-size: 1.05rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.list { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.item { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 10px 14px; border-top: 1px solid var(--line); }
.item:first-child { border-top: 0; }
.item.in { background: var(--accent-soft); }
.item .nm { font-weight: 500; }
.item .cd { color: var(--muted); font-size: .8rem; }
.item .pr { font-variant-numeric: tabular-nums; white-space: nowrap; }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--surface); }
.qty button { border: 0; border-radius: 0; min-width: 38px; padding: 6px 0; justify-content: center; font-size: 1.1rem; }
.qty input { border: 0; border-radius: 0; width: 44px; text-align: center; padding: 6px 0; min-height: 38px; font-variant-numeric: tabular-nums; -moz-appearance: textfield; }
.qty input::-webkit-outer-spin-button, .qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
button.add { min-width: 116px; justify-content: center; }
@media (max-width: 560px) {
  .item { grid-template-columns: 1fr auto; }
  .item .pr { grid-column: 1; grid-row: 2; }
  .item .ctl { grid-column: 2; grid-row: 1 / span 2; }
}
.empty { padding: 30px; text-align: center; color: var(--muted); }

.basket {
  position: sticky; bottom: 0; z-index: 6; margin-top: 20px; padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--bg) 70%, transparent);
}
.basket .bar { display: flex; align-items: center; gap: 12px; background: var(--text); color: var(--bg); border-radius: 14px; padding: 10px 10px 10px 16px; box-shadow: var(--shadow); }
.basket .bar strong { font-variant-numeric: tabular-nums; }
.basket .bar button.primary { margin-left: auto; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tfoot td { font-weight: 700; border-bottom: 0; }
.table-scroll { overflow-x: auto; }

.linkbox { display: flex; gap: 8px; }
.linkbox input { font-family: ui-monospace, Consolas, monospace; font-size: .85rem; }
.ref { font-family: ui-monospace, Consolas, monospace; font-weight: 700; letter-spacing: .03em; }
.badge { display: inline-block; font-size: .75rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
footer { padding: 30px 0 60px; color: var(--muted); font-size: .85rem; }
.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; z-index: 50; box-shadow: var(--shadow); }