:root {
  --bg: #f3f4f6;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #d1d5db;
  --accent: #e8590c;
  --accent-text: #ffffff;
  --top: #1f2a37;
  --ok: #15803d;
  --warn: #b45309;
  --err: #b91c1c;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141a;
    --card: #182029;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --border: #334155;
    --top: #0b1016;
    --ok: #4ade80;
    --warn: #fbbf24;
    --err: #f87171;
  }
}
* { box-sizing: border-box; }
/* The hidden attribute must always win over display rules (grid2, label, tabs-nav, ...). */
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.4;
}
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top));
  background: var(--top); color: #fff;
}
.brand { font-weight: 700; }
.brand span { font-weight: 400; opacity: .75; margin-left: 4px; }
.who { display: flex; gap: 12px; align-items: center; font-size: 14px; }
main { max-width: 860px; margin: 0 auto; padding: 12px 16px 80px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; margin-bottom: 12px;
}
.narrow { max-width: 420px; margin: 24px auto; }
h1 { font-size: 22px; margin: 0 0 12px; }
h2 { font-size: 17px; margin: 0 0 10px; }
label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 10px; }
input, textarea, button { font: inherit; }
input, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--text);
  min-height: 44px;
}
input:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  min-height: 44px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.link { min-height: auto; border: 0; background: none; color: inherit; text-decoration: underline; padding: 0; }
button:disabled { opacity: .6; cursor: progress; }
form .primary { width: 100%; margin-top: 4px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.tabs { display: flex; gap: 6px; margin-bottom: 10px; }
.tab { flex: 1; }
.tab.active { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
.span2 { grid-column: span 2; }
@media (max-width: 520px) { .grid2 { grid-template-columns: 1fr; } .span2 { grid-column: auto; } }

.results { list-style: none; margin: 6px 0 0; padding: 0; }
.results li {
  display: flex; gap: 10px; align-items: center; padding: 8px; border: 1px solid var(--border);
  border-radius: 8px; margin-bottom: 6px; cursor: pointer; background: var(--card);
}
.results li:hover, .results li:focus { border-color: var(--accent); outline: none; }
.results .grow { flex: 1; min-width: 0; }
.results .title { font-weight: 600; overflow-wrap: anywhere; }
.thumb { width: 48px; height: 48px; object-fit: contain; border-radius: 6px; background: #fff; flex: none; }
.selected { border: 1px solid var(--accent); border-radius: 8px; padding: 10px; margin-bottom: 8px; }
.selected .row { display: flex; justify-content: space-between; gap: 8px; align-items: start; }

.bulk { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin: 12px 0; }
.bulk label { margin: 0; width: 170px; }

.line { border: 1px solid var(--border); border-radius: 8px; padding: 10px; margin-bottom: 8px; }
.line .head { display: flex; gap: 10px; }
.line .head .grow { flex: 1; min-width: 0; }
.line .title { font-weight: 600; overflow-wrap: anywhere; }
.line .inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.line .inputs label { margin: 0; }
.line .calc { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 4px 12px; margin-top: 8px; font-size: 14px; }
.line .calc strong { font-size: 16px; }
.stock-ok { color: var(--ok); }
.stock-low { color: var(--warn); font-weight: 600; }
.stock-out { color: var(--err); font-weight: 600; }
.remove { color: var(--err); }

.totals dl { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; margin: 0 0 8px; }
.totals dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.totals .grand { font-weight: 700; font-size: 18px; }
.actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 10px; }
.actions .primary { flex: 1; max-width: 320px; }

.msg { border-radius: 8px; padding: 10px 12px; margin: 8px 0; font-size: 14px; }
.msg ul { margin: 4px 0 0; padding-left: 18px; }
.msg.err { background: color-mix(in srgb, var(--err) 12%, transparent); color: var(--err); }
.msg.warn { background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--warn); }
.msg.ok { background: color-mix(in srgb, var(--ok) 12%, transparent); color: var(--ok); }

.toast {
  position: fixed; left: 16px; right: 16px; bottom: max(16px, env(safe-area-inset-bottom)); z-index: 20;
  max-width: 520px; margin: 0 auto; padding: 12px 14px; border-radius: 8px;
  background: var(--top); color: #fff; box-shadow: 0 4px 16px rgba(0,0,0,.25);
}

.row-between { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.row-between h2 { margin: 0; }
.orders { list-style: none; margin: 10px 0 0; padding: 0; }
.orders li { border-top: 1px solid var(--border); padding: 8px 0; font-size: 14px; display: flex; justify-content: space-between; gap: 10px; }
.orders li:first-child { border-top: 0; }
.orders .status-created { color: var(--ok); font-weight: 600; }
.orders .status-failed { color: var(--err); }
.orders .status-processing { color: var(--warn); }
.status-completed { color: var(--ok); font-weight: 600; }
.status-open { color: var(--warn); font-weight: 600; }
.status-deleted { color: var(--muted); text-decoration: line-through; }
.status-failed { color: var(--err); }
.confirm-box { border: 2px solid var(--accent); border-radius: 8px; padding: 12px; margin: 8px 0; }
.confirm-box .actions { margin-top: 8px; }
@media (max-width: 520px) { .actions { flex-wrap: wrap; } .actions .primary { flex-basis: 100%; max-width: none; order: -1; } }

.table-wrap { overflow-x: auto; margin-top: 12px; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { text-align: left; padding: 8px 6px; border-top: 1px solid var(--border); vertical-align: top; }
table.data th { color: var(--muted); font-weight: 600; border-top: 0; white-space: nowrap; }
table.data td .link { margin-right: 10px; }
label.check { display: flex; gap: 8px; align-items: center; color: var(--text); }
label.check input { width: auto; min-height: auto; margin: 0; }
.links { list-style: none; padding: 0; margin: 8px 0 0; }
.msg ul.links { padding-left: 0; }
.links li { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; padding: 6px 0; border-top: 1px solid var(--border); }
.links li:first-child { border-top: 0; }
.links li > span { flex-basis: 100%; color: var(--text); }
.links code { flex: 1 1 200px; min-width: 0; overflow-wrap: anywhere; word-break: break-all; font-size: 12px; background: var(--card); color: var(--text); padding: 6px; border-radius: 6px; }
.links button { min-height: 36px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.badge.off { background: color-mix(in srgb, var(--err) 12%, transparent); color: var(--err); }
.who .link { color: #fff; }

.msg-template { border: 2px solid var(--accent); border-radius: 8px; padding: 12px; margin: 10px 0; }
.msg-template h3 { margin: 0 0 8px; font-size: 16px; }
.msg-template textarea { font-size: 14px; }
.msg-template > button { margin: 0 0 10px; }
.msg-template .row-between code { flex: 1; overflow-wrap: anywhere; background: var(--bg); padding: 6px; border-radius: 6px; }
select.select { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; min-height: 44px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--text); font: inherit; }

/* ---- tabs ---- */
.tabs-nav { position: sticky; top: 52px; z-index: 9; display: flex; gap: 4px; overflow-x: auto; padding: 8px 16px; background: var(--card); border-bottom: 1px solid var(--border); scrollbar-width: none; }
.tabs-nav button { flex: none; min-height: 38px; border-radius: 999px; padding: 6px 14px; font-size: 14px; }
.tabs-nav button.active { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
@media (min-width: 900px) { .tabs-nav { justify-content: center; } }

/* ---- order history ---- */
.orders.clickable li { cursor: pointer; border-radius: 8px; padding: 10px 6px; }
.orders.clickable li:hover, .orders.clickable li:focus { background: var(--bg); outline: none; }
#orders-q { margin: 10px 0 4px; }
.detail-head { display: flex; justify-content: space-between; align-items: start; gap: 10px; flex-wrap: wrap; }
.detail-head h2 { margin: 0; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; font-size: 14px; margin: 10px 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.dline { border-top: 1px solid var(--border); padding: 8px 0; font-size: 14px; }
.dline .row-between { align-items: start; }
.dline .title { font-weight: 600; }

/* ---- stats ---- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 12px; }
.tile { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.tile .label { color: var(--muted); font-size: 13px; }
.tile .value { font-size: 20px; font-weight: 700; margin-top: 2px; font-variant-numeric: tabular-nums; }
.bars { list-style: none; margin: 0; padding: 0; }
.bars li { display: grid; grid-template-columns: 74px 1fr auto; gap: 8px; align-items: center; padding: 3px 0; font-size: 13px; }
.bars .bar { height: 14px; border-radius: 4px; background: var(--accent); min-width: 2px; }
.bars .bar.zero { background: var(--border); }
.bars .val { font-variant-numeric: tabular-nums; white-space: nowrap; }
table.data td.num, table.data th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
table.data tr.clickable { cursor: pointer; }
table.data tr.clickable:hover { background: var(--bg); }
.pdf-box { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 8px; }
.pdf-box a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--border); color: var(--text); text-decoration: none; }
.totals-dl { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; margin: 12px 0; }
.totals-dl dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.totals-dl .grand { font-weight: 700; font-size: 18px; }

@media (max-width: 520px) { .tabs-nav { padding: 8px 10px; } .tabs-nav button { flex: 1 0 auto; padding: 6px 10px; font-size: 13.5px; } }
.dline strong { white-space: nowrap; }