:root{
  --bg:#f4f3f1; --bg2:#eeece8; --card:#ffffff; --ink:#1c1917; --muted:#78716c;
  --line:#ebe8e4; --brand:#b91c1c; --brand-d:#991b1b; --brand-soft:#fee2e2; --dark:#0f172a;
  --ok:#16a34a; --ok-soft:#dcfce7; --warn:#b45309; --warn-soft:#fef3c7; --err:#dc2626;
  --r-sm:10px; --r-md:14px; --r-lg:18px; --r-xl:22px;
  --sh-sm:0 1px 2px rgba(24,20,16,.06);
  --sh:0 1px 2px rgba(24,20,16,.05), 0 6px 18px rgba(24,20,16,.06);
  --sh-lg:0 2px 6px rgba(24,20,16,.08), 0 18px 40px rgba(24,20,16,.14);
  --ease:cubic-bezier(.2,0,0,1);
  color-scheme:light;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{padding-bottom:env(safe-area-inset-bottom)}
.hidden{display:none!important}
.muted{color:var(--muted)} .center{text-align:center}
.err{color:var(--err);font-size:14px;margin:8px 0} .ok{color:var(--ok)}
.screen{min-height:100dvh}
img{max-width:100%;display:block}
.tnum{font-variant-numeric:tabular-nums}

/* бренд / топбар */
.brand{font-size:28px;font-weight:800;letter-spacing:1px;color:var(--brand);text-wrap:balance}
.brand.small{font-size:20px}
.whtag{color:var(--muted);font-weight:600;font-size:14px;letter-spacing:0}
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;
  gap:8px;padding:10px 14px;background:var(--card);
  background:color-mix(in srgb,var(--card) 88%, transparent);
  backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.topbar.dark{background:var(--dark);color:#fff;backdrop-filter:none}
.topbar.dark .brand,.topbar.dark .whtag{color:#fff}
.topbar.dark .whtag{color:#94a3b8}
.link{background:none;border:0;color:#2563eb;font:inherit;cursor:pointer;padding:6px;min-height:40px}
.topbar.dark .link{color:#93c5fd}
.block{display:block}

/* формы входа */
.auth-card{max-width:380px;margin:16vh auto 0;padding:30px 22px;background:var(--card);
  border-radius:var(--r-xl);box-shadow:var(--sh-lg);text-align:center}
.auth-card input,.modal-card input,.modal-card select,.modal-card textarea{width:100%;padding:14px;
  border:1px solid var(--line);border-radius:var(--r-sm);font:inherit;margin:8px 0 14px;
  background:var(--bg);transition:border-color .15s,box-shadow .15s,background .15s}
.auth-card input:focus,.modal-card input:focus,.modal-card select:focus,.modal-card textarea:focus{
  outline:none;border-color:var(--brand);background:var(--card);
  box-shadow:0 0 0 4px var(--brand-soft)}
.modal-card textarea{resize:vertical;min-height:56px}

/* выбор склада (вход) */
.wh-pick{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:6px 0 14px}
.wh{position:relative;cursor:pointer}
.wh input{position:absolute;opacity:0;inset:0;margin:0;padding:0;width:100%;height:100%}
.wh span{display:block;padding:14px 10px;border:1.5px solid var(--line);border-radius:var(--r-md);
  background:var(--card);font-weight:600;transition:all .15s var(--ease)}
.wh input:checked + span{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-d)}
.wh input:focus-visible + span{box-shadow:0 0 0 4px var(--brand-soft)}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 18px;border:0;
  border-radius:var(--r-sm);font:inherit;font-weight:600;cursor:pointer;text-align:center;min-height:46px;
  transition:transform .12s var(--ease),box-shadow .15s,background .15s,opacity .15s}
.btn.primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(185,28,28,.3)}
.btn.primary:hover{background:var(--brand-d)}
.btn.dark{background:var(--dark);color:#fff}
.btn.dark:hover{background:#1e293b}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn.ghost:hover{background:var(--card);border-color:#d6d3ce}
.btn.sm{padding:8px 12px;min-height:38px;font-size:14px}
.btn:active{transform:scale(.96)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* поиск */
.search{display:flex;gap:8px;padding:10px 12px;position:sticky;top:0;background:var(--bg);z-index:9}
.search input{flex:1;padding:13px 14px;border:1px solid var(--line);border-radius:var(--r-md);font:inherit;
  background:var(--card);transition:border-color .15s,box-shadow .15s}
.search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 14px 8px}

/* сегмент склада (админка) */
.wh-seg{display:flex;gap:4px;padding:8px 12px 0}
.seg{flex:1;padding:10px;border:1.5px solid var(--line);background:var(--card);border-radius:var(--r-sm);
  font:inherit;font-weight:600;cursor:pointer;color:var(--muted);transition:all .15s var(--ease)}
.seg.active{border-color:var(--dark);background:var(--dark);color:#fff}
.seg:active{transform:scale(.98)}

/* список товаров */
.list{padding:6px 12px 120px;display:grid;gap:10px}
.card{display:flex;gap:12px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:10px;align-items:center;transition:box-shadow .15s,border-color .15s}
.card:hover{box-shadow:var(--sh);border-color:#e2ded7}
.card .thumb{width:74px;height:74px;border-radius:var(--r-sm);object-fit:cover;background:var(--bg2);
  flex:0 0 auto;outline:1px solid rgba(0,0,0,.1)}
.card .ph{width:74px;height:74px;border-radius:var(--r-sm);background:var(--bg2);flex:0 0 auto;
  display:grid;place-items:center;color:var(--muted);font-size:11px;text-align:center;padding:4px}
.card .info{flex:1;min-width:0}
.card .title{font-weight:600;font-size:15px;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;text-wrap:pretty}
.card .price{color:var(--brand);font-weight:700;margin-top:2px;font-variant-numeric:tabular-nums}
.card .nostock{color:var(--err);font-size:13px;font-weight:600;margin-top:2px}
.card .low{color:var(--warn);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}
.card .instock{color:var(--ok);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}

/* stepper количества */
.stepper{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.stepper button{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--card);font-size:20px;font-weight:700;cursor:pointer;line-height:1;
  transition:background .12s,transform .12s var(--ease),border-color .12s}
.stepper button:hover:not([disabled]){background:var(--bg2);border-color:#d6d3ce}
.stepper button:active:not([disabled]){transform:scale(.92)}
.stepper button[disabled]{opacity:.4;cursor:not-allowed}
.stepper .q{min-width:26px;text-align:center;font-weight:700;font-variant-numeric:tabular-nums}

/* корзина-панель */
.cartbar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;align-items:center;
  justify-content:space-between;gap:12px;padding:12px 14px calc(12px + env(safe-area-inset-bottom));
  background:var(--card);background:color-mix(in srgb,var(--card) 92%, transparent);
  backdrop-filter:saturate(1.4) blur(8px);border-top:1px solid var(--line);
  box-shadow:0 -6px 24px rgba(24,20,16,.08)}
.cartbar-info{display:flex;flex-direction:column;line-height:1.2}
.cartbar-info #cartSum{font-weight:800;font-size:18px;color:var(--brand);font-variant-numeric:tabular-nums}
.cartbar .btn{flex:0 0 auto;padding-left:26px;padding-right:26px}

/* модалки */
.modal{position:fixed;inset:0;z-index:50;background:rgba(15,18,25,.5);
  backdrop-filter:blur(2px);display:flex;align-items:flex-end;justify-content:center;padding:0;
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease)}
.modal.show{opacity:1;visibility:visible}
.modal-card{background:var(--card);width:100%;max-width:520px;border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:18px 16px calc(18px + env(safe-area-inset-bottom));max-height:92dvh;overflow:auto;
  transform:translateY(24px);transition:transform .28s var(--ease);will-change:transform}
.modal.show .modal-card{transform:translateY(0)}
@media(min-width:560px){.modal{align-items:center;padding:20px}
  .modal-card{border-radius:var(--r-xl);transform:scale(.96)}
  .modal.show .modal-card{transform:scale(1)}}
.modal-card h3{margin:0 0 10px;text-wrap:balance}
.modal-card label{display:block;font-size:14px;color:var(--muted);margin-top:12px;font-weight:600}
.modal-card legend{font-size:14px;color:var(--muted);font-weight:600;padding:0}
.modal-card fieldset{border:0;padding:0;margin:14px 0 0}
.modal-actions{display:flex;gap:10px;margin-top:18px}
.modal-actions .btn{flex:1}
.order-items{background:var(--bg);border-radius:var(--r-sm);padding:8px 12px;margin-bottom:6px}
.order-items .row{display:flex;justify-content:space-between;gap:8px;padding:4px 0;font-size:14px}
.order-items .row.foot{border-top:1px solid var(--line);margin-top:4px;padding-top:8px;font-weight:700}
.order-items .row.foot.kpay{color:var(--brand);font-size:16px;font-variant-numeric:tabular-nums}
.order-items .row span:last-child,.order-items .row{font-variant-numeric:tabular-nums}
.big-ok{font-size:46px;font-weight:800;color:var(--ok);margin:6px 0}

/* чипы способа оплаты */
.pay-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:8px}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;inset:0;margin:0;width:100%;height:100%;cursor:pointer}
.chip span{display:block;padding:12px 10px;border:1.5px solid var(--line);border-radius:var(--r-sm);
  background:var(--card);font-size:14px;font-weight:600;text-align:center;transition:all .15s var(--ease)}
.chip input:checked + span{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-d)}
.chip input:focus-visible + span{box-shadow:0 0 0 4px var(--brand-soft)}

/* админка: строка склада */
.aline{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:8px 10px;transition:box-shadow .15s,border-color .15s}
.aline:hover{box-shadow:var(--sh-sm);border-color:#e2ded7}
.aline .t{flex:1;min-width:0;font-size:14px}
.aline .t > div:first-child{font-weight:600;text-wrap:pretty}
.aline .p{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}
.aline input.stock{width:72px;padding:8px;border:1px solid var(--line);border-radius:8px;
  text-align:center;font:inherit;font-weight:700;font-variant-numeric:tabular-nums;transition:border-color .12s,box-shadow .12s}
.aline input.stock:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.aline input.price{width:88px;padding:8px;border:1px solid var(--line);border-radius:8px;color:var(--brand-d);
  text-align:center;font:inherit;font-weight:700;font-variant-numeric:tabular-nums;transition:border-color .12s,box-shadow .12s}
.aline input.price:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.zero{color:var(--err)!important}
.arr-list{padding:4px 0 8px;display:grid;gap:6px;max-height:46dvh;overflow:auto}
.arr-list .aline{padding:6px 10px}

/* вкладка Сумма */
.sum-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:10px 12px}
@media(min-width:560px){.sum-cards{grid-template-columns:repeat(4,1fr)}}
.sc{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:14px;text-align:center}
.sc .sc-n{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.sc .sc-l{font-size:12px;color:var(--muted);margin-top:2px}
.sc.brand-card{background:var(--brand);border-color:var(--brand);color:#fff}
.sc.brand-card .sc-l{color:rgba(255,255,255,.85)}
.sumline{flex-wrap:wrap}
.sumline .cells{display:flex;align-items:center;gap:14px}
.cell{display:flex;flex-direction:column;align-items:center;line-height:1.1;min-width:44px}
.cell b{font-size:16px;font-variant-numeric:tabular-nums}
.cell i{font-size:10px;color:var(--muted);font-style:normal;margin-top:1px}
.cell.tot b{color:var(--dark)}
.cell.rub{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums;font-size:14px}

/* табы */
.tabs{display:flex;gap:4px}
.tab{background:none;border:0;color:#cbd5e1;font:inherit;font-weight:600;padding:8px 12px;min-height:40px;
  border-radius:8px;cursor:pointer;transition:background .15s,color .15s}
.tab:hover{color:#fff}
.tab.active{background:#fff;color:var(--dark)}

/* заказы */
.orders{padding:10px 12px;display:grid;gap:10px}
.order{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:12px;
  transition:box-shadow .15s}
.order:hover{box-shadow:var(--sh-sm)}
.order .oh{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.order .oh .id{font-weight:700}
.order .oh .sum{color:var(--brand);font-weight:800;font-variant-numeric:tabular-nums}
.order .who{margin:4px 0}
.order .oi{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.order .oi div{padding:2px 0}
.order .cmt{font-size:13px;color:var(--ink);background:var(--bg);border-radius:8px;padding:6px 10px;margin-top:6px;text-wrap:pretty}
.order .when{font-size:12px;color:var(--muted);margin-top:6px}
.badges{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.badge{font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--brand-soft);color:var(--brand-d)}
.badge.warn{background:var(--warn-soft);color:var(--warn)}