:root {
  --bg: #f4f2ee;
  --card: #ffffff;
  --ink: #1d2433;
  --muted: #6b6f7a;
  --line: #e2ded6;
  --brand: #1d2a44;
  --accent: #f2b544;
  --ok: #1f8a4c;
  --warn: #b7791f;
  --bad: #b3261e;
  --chip: #eef0f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c; --card: #1b1f29; --ink: #e8e9ee; --muted: #9aa0ad; --line: #2c3240;
    --brand: #0e1524; --chip: #262c3a; --ok: #4cc27f; --warn: #e0a84a; --bad: #ef6b62;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
[hidden] { display: none !important; }
input, select, button { font: inherit; }
input, select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card); color: var(--ink);
}
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
h3 { margin: 0 0 8px; font-size: 16px; }

.btn {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  padding: 10px 14px; border-radius: 10px; cursor: pointer; white-space: nowrap;
}
.btn.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn.small { padding: 7px 10px; font-size: 13px; }
.btn.wide { width: 100%; padding: 14px; font-size: 16px; }
.btn:disabled { opacity: .5; }
.icon-btn { border: 0; background: transparent; color: inherit; font-size: 20px; padding: 6px 10px; cursor: pointer; }

.brand { display: flex; align-items: center; gap: 10px; }
.brand b { display: block; }
.brand small { color: var(--muted); }
.logo {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px;
  background: var(--brand); color: var(--accent); font-weight: 800; letter-spacing: .5px;
}
.brand.small .logo { width: 34px; height: 34px; font-size: 12px; border-radius: 9px; }
.brand.small small { color: #c9cfdb; }

/* вхід */
.auth-box { max-width: 380px; margin: 8vh auto 0; padding: 0 16px; display: grid; gap: 18px; }
.tabs { display: grid; grid-template-columns: 1fr 1fr; background: var(--chip); border-radius: 10px; padding: 3px; }
.tab { border: 0; background: transparent; padding: 9px; border-radius: 8px; cursor: pointer; color: var(--ink); }
.tab.active { background: var(--card); font-weight: 600; }
#auth-form { display: grid; gap: 12px; }
.error { color: var(--bad); margin: 0; min-height: 1em; font-size: 14px; }

/* шапка */
.top {
  position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center;
  background: var(--brand); color: #fff; padding: calc(8px + env(safe-area-inset-top)) 12px 8px;
}
.nav { display: flex; gap: 4px; overflow-x: auto; padding: 8px 12px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 52px; z-index: 4; }
.nav button { border: 0; background: transparent; padding: 8px 12px; border-radius: 8px; color: var(--muted); white-space: nowrap; cursor: pointer; }
.nav button.active { background: var(--chip); color: var(--ink); font-weight: 600; }
.badge { background: var(--accent); color: #1d2433; border-radius: 10px; padding: 0 7px; font-size: 12px; font-weight: 700; }

.view { max-width: 820px; margin: 0 auto; padding: 12px; display: grid; gap: 12px; }
.hint { color: var(--muted); margin: 0; }
.hint.small { font-size: 13px; }

.search { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; }
.scan { border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
.suggest {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; margin-top: -4px;
  max-height: 60vh; overflow-y: auto; box-shadow: 0 6px 18px rgba(0, 0, 0, .08);
}
.suggest-row {
  display: flex; gap: 10px; align-items: center; width: 100%; padding: 8px 10px; text-align: left;
  background: none; border: 0; border-bottom: 1px solid var(--line); color: var(--ink); font: inherit; cursor: pointer;
}
.suggest-row:last-child { border-bottom: 0; }
.suggest-row:hover, .suggest-row:focus { background: var(--chip); outline: none; }
.suggest-row img, .suggest-noimg { width: 44px; height: 44px; flex: none; border-radius: 6px; object-fit: contain; background: #fff; }
.suggest-noimg { background: var(--chip); }
.suggest-text { display: grid; gap: 2px; min-width: 0; }
.suggest-name { overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.recs { display: grid; gap: 8px; margin-top: 8px; }
.recs h3 { margin: 6px 0 0; }
.reason { font-size: 12px; font-weight: 600; color: var(--warn); }
#scanner { display: grid; gap: 8px; }
#scanner-view { border-radius: 12px; overflow: hidden; background: #000; min-height: 220px; }

.results { display: grid; gap: 10px; }
.item {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px;
  display: grid; grid-template-columns: 1fr auto; gap: 12px;
}
.item-main { min-width: 0; display: grid; gap: 4px; }
.item-title { font-weight: 600; }
.item-meta { color: var(--muted); font-size: 13px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { background: var(--chip); border-radius: 6px; padding: 1px 7px; font-size: 12px; }
.b2b-name { flex-basis: 100%; font-size: 12px; }
.chip.sup { background: var(--accent); color: #1d2433; font-weight: 600; }
.item-stock { font-size: 14px; }
.ok { color: var(--ok); } .warn { color: var(--warn); } .bad { color: var(--bad); }
.link { background: none; border: 0; color: inherit; text-decoration: underline; padding: 0; cursor: pointer; font-size: 13px; }
.item-regions table { border-collapse: collapse; font-size: 13px; width: 100%; }
.item-regions td, .item-regions th { padding: 3px 6px; border-bottom: 1px solid var(--line); text-align: right; }
.item-regions td:first-child, .item-regions th:first-child { text-align: left; }
.item-side { display: grid; gap: 8px; justify-items: end; align-content: start; min-width: 130px; }
.price { text-align: right; }
.price .old { color: var(--muted); text-decoration: line-through; font-size: 13px; }
.price .now { font-size: 18px; font-weight: 700; }
.price .unit { color: var(--muted); font-size: 12px; }
.price .buy { font-size: 12px; color: var(--warn); }
.add { display: grid; grid-template-columns: 70px auto; gap: 6px; }
.add input { padding: 7px 8px; }

@media (max-width: 520px) {
  .item { grid-template-columns: 1fr; }
  .item-side { justify-items: stretch; grid-template-columns: 1fr auto; align-items: end; }
  .price { text-align: left; }
}

.cart-line { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; display: grid; grid-template-columns: 1fr auto; gap: 6px 10px; }
.cart-line .name { font-weight: 600; }
.cart-line .sub { color: var(--muted); font-size: 13px; }
.cart-line .qty { display: flex; gap: 6px; align-items: center; }
.cart-line .qty input { width: 80px; padding: 6px 8px; }
.total { font-size: 18px; font-weight: 700; text-align: right; }
.or { text-align: center; color: var(--muted); font-size: 13px; }
#cart-buyer { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; display: grid; gap: 10px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: grid; gap: 10px; }
#b2b-form { display: grid; gap: 10px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.status { margin: 0; font-weight: 600; }

/* доставка в кошику */
.check { display: flex; gap: 8px; align-items: center; font-size: 15px; color: var(--ink); }
.check input { width: 20px; height: 20px; }
.dl-fields { display: grid; gap: 10px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (max-width: 420px) { .two { grid-template-columns: 1fr; } }
.cart-line .pack { font-size: 13px; color: var(--ink); background: var(--chip); border-radius: 6px; padding: 2px 8px; margin: 3px 0; display: inline-block; }
.cart-line .kg { display: flex; gap: 4px; align-items: center; font-size: 13px; color: var(--muted); }
.cart-line .kg input { width: 70px; padding: 4px 6px; font-size: 13px; }

.quote { margin: 0; font-size: 14px; }
.quote .found { color: var(--muted); font-size: 12px; display: block; }
#tariff-form, #calc { display: grid; gap: 10px; }
#calc .two { align-items: end; }
.vt-wrap { overflow-x: auto; }
.vt { border-collapse: collapse; width: 100%; min-width: 520px; }
.vt th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 500; padding: 0 4px 4px; }
.vt td { padding: 3px 4px; }
.vt input { padding: 7px 8px; }
.vt td:first-child input { min-width: 140px; }
.calc-box { display: grid; gap: 4px; background: var(--chip); border-radius: 10px; padding: 10px 12px; }
.calc-box .big { font-size: 20px; font-weight: 700; }

/* список доставок */
.seg { display: inline-flex; background: var(--chip); border-radius: 10px; padding: 3px; gap: 2px; justify-self: start; }
.seg button { border: 0; background: transparent; padding: 7px 12px; border-radius: 8px; color: var(--ink); cursor: pointer; }
.seg button.active { background: var(--card); font-weight: 600; }
#deliveries-list { display: grid; gap: 10px; }
.dl { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--line); border-radius: 12px; padding: 10px 12px; display: grid; gap: 6px; }
.dl.s-new { border-left-color: var(--accent); }
.dl.s-planned { border-left-color: #4a78c2; }
.dl.s-onway { border-left-color: var(--warn); }
.dl.s-done { border-left-color: var(--ok); opacity: .8; }
.dl.s-cancelled { border-left-color: var(--bad); opacity: .6; }
.dl .head { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.dl .when { font-weight: 700; }
.dl .addr { font-weight: 600; }
.dl .sub { color: var(--muted); font-size: 13px; }
.dl .facts { display: flex; flex-wrap: wrap; gap: 6px; }
.dl .ctrl { display: grid; grid-template-columns: 1fr 150px 130px; gap: 6px; }
@media (max-width: 520px) { .dl .ctrl { grid-template-columns: 1fr 1fr; } .dl .ctrl .st { grid-column: 1 / -1; } }
.dl .ctrl select, .dl .ctrl input { padding: 7px 8px; }

/* перегляд рахунку */
.sheet { position: fixed; inset: 0; z-index: 20; background: var(--bg); display: grid; grid-template-rows: auto 1fr auto; }
.sheet-bar { display: grid; grid-template-columns: 44px 1fr 44px; align-items: center; text-align: center; background: var(--brand); color: #fff; padding: calc(6px + env(safe-area-inset-top)) 8px 6px; }
.paper { overflow: auto; margin: 12px; padding: 18px 16px; background: #fff; color: #1d2433; border-radius: 10px; box-shadow: 0 2px 12px rgba(0,0,0,.08); font-size: 13px; }
.paper .co { font-weight: 800; font-size: 18px; color: #1d2a44; }
.paper .site { color: #6b6f7a; font-size: 12px; border-bottom: 1px solid #ccc; padding-bottom: 8px; margin-bottom: 12px; }
.paper h2 { text-align: center; margin: 0; font-size: 18px; }
.paper .date { text-align: center; margin-bottom: 12px; }
.paper .who { margin: 2px 0; }
.paper table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.paper th, .paper td { border: 1px solid #c9c9c9; padding: 5px 6px; vertical-align: top; }
.paper th { background: #eee; font-size: 12px; text-align: left; }
.paper td.r, .paper th.r { text-align: right; white-space: nowrap; }
.paper .sum { text-align: right; }
.paper .sum b { font-size: 17px; }
.paper .note { color: #555; font-size: 12px; margin-top: 12px; }
.paper .line-sub { color: #6b6f7a; font-size: 12px; }
.btn.danger { color: var(--bad); border-color: var(--bad); background: transparent; }
.btn.green { background: #1f8a4c; border-color: #1f8a4c; color: #fff; font-weight: 700; }
.confirmed { color: var(--ok); font-weight: 700; align-self: center; text-align: center; }
.sheet-actions { grid-template-columns: 1fr 1fr; }
.sheet-actions .btn.green, .sheet-actions .confirmed { grid-column: 1 / -1; padding: 14px 10px; font-size: 16px; }
.inv { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; display: grid; grid-template-columns: 1fr auto; gap: 6px 10px; align-items: center; }
.inv .t { font-weight: 700; }
.inv .sub { color: var(--muted); font-size: 13px; }
.inv .acts { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.pill { font-size: 12px; font-weight: 600; border-radius: 99px; padding: 1px 8px; background: var(--chip); }
.pill.ok { background: #dff3e7; color: #1f7a4d; }
.pill.new { background: #fff1d6; color: #8a5a00; }
#invoices-list { display: grid; gap: 10px; }
@media (max-width: 520px) { .inv { grid-template-columns: 1fr; } .inv .acts { justify-content: flex-start; } }
.paper .related { margin-top: 18px; border-top: 1px solid #e5e7eb; padding-top: 12px; }
.paper .related .rt { font-weight: 700; font-size: 15px; }
.paper .related .rs { color: #6b7280; font-size: 12px; margin-bottom: 8px; }
.paper .related .rg { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.paper .related .rc { background: #f9fafb; border: 1px solid #e5e7eb; border-radius: 6px; padding: 8px; display: grid; gap: 6px; align-content: space-between; }
.paper .related .rn { font-size: 12px; font-weight: 600; }
.paper .related .rp { font-weight: 700; }
.paper .related .rsku { font-weight: 400; color: #4b5563; font-size: 11px; margin-top: 2px; }
.paper .related .rp span { font-weight: 400; color: #6b7280; font-size: 11px; }
.sheet-actions { display: grid; gap: 8px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: var(--card); border-top: 1px solid var(--line); }
.sheet-actions .btn { text-align: center; text-decoration: none; padding: 13px 10px; }

.user { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; }
.user.blocked { opacity: .55; }
.user .name { font-weight: 600; }
.user .sub { color: var(--muted); font-size: 13px; }
.user .ctrl { display: grid; grid-template-columns: 74px 110px auto; gap: 6px; align-items: center; }
.user .ctrl input, .user .ctrl select { padding: 7px 8px; }
@media (max-width: 520px) { .user { grid-template-columns: 1fr; } }