:root{--bg:#f4f6f9;--card:#fff;--ink:#1c2330;--mut:#667085;--line:#d5dae3;--head:#eef1f6;--pri:#2457d6;--pri-ink:#fff;
  --ov:#fff3c4;--ov-line:#e0a800;--sub:#fff8ec;--err:#c0261c;--warn:#a86400;--bad:#fdeceb}
*{box-sizing:border-box}
body{margin:0;font:14px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
h1{font-size:18px;margin:0}
a{color:var(--pri)}
.app{padding:12px 16px 60px;max-width:1800px;margin:0 auto}
.center{padding:80px 0;text-align:center}
.muted{color:var(--mut)} .small{font-size:12px} .pad{padding:8px 2px} .grow{flex:1}
.err{color:var(--err)} .warn{color:var(--warn)}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-top:12px}
.card.narrow{max-width:360px;margin:80px auto;display:grid;gap:12px}
label{display:grid;gap:4px;font-size:13px;color:var(--mut)}
input{font:inherit;color:var(--ink)}
label input,.search{padding:7px 9px;border:1px solid var(--line);border-radius:7px;background:#fff}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:14px}

.bar,.tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}
.title{flex:1 1 260px;min-width:0;font-size:18px;font-weight:600;padding:6px 8px;border:1px solid transparent;border-radius:7px;background:transparent}
.title:hover,.title:focus{border-color:var(--line);background:#fff;outline:none}
.save{font-size:12px;color:var(--mut)} .save.error{color:var(--err)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--line);border-radius:7px;background:#fff;
  color:var(--ink);font:inherit;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{border-color:#aab3c2} .btn:disabled{opacity:.45;cursor:default}
.btn.primary{background:var(--pri);border-color:var(--pri);color:var(--pri-ink)}
.btn.sm{padding:4px 8px;font-size:12px} .btn.danger{color:var(--err)} .btn.warnb{border-color:var(--ov-line);background:var(--ov)}
.seg{display:inline-flex;align-items:center;gap:4px;color:var(--mut);font-size:13px}
.seg button{font:inherit;padding:6px 9px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink)}
.seg button:first-of-type{border-radius:7px 0 0 7px;margin-left:4px} .seg button:last-of-type{border-radius:0 7px 7px 0}
.seg button+button{border-left:0} .seg button.on{background:var(--ink);color:#fff;border-color:var(--ink)}

.drop{border:2px dashed #b6c0d0;border-radius:12px;background:#fff;padding:56px 16px;text-align:center}
.drop.over,.wrap.over{outline:3px solid var(--pri);outline-offset:-3px;background:#eef3ff}
.wrap{overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:10px}
/* таблица расчёта прокручивается внутри рамки: шапка и строка ИТОГО всегда на виду */
.wrap.scroll{max-height:calc(100vh - 128px);min-height:240px}
table.calc{border-collapse:separate;border-spacing:0}
table.calc thead th{position:sticky;top:0;z-index:3;box-shadow:0 1px 0 var(--line)}
table.calc tfoot td{position:sticky;bottom:0;z-index:3;border-top:2px solid #98a2b3;background:#dfe5ee}
table{border-collapse:collapse;width:100%}
th,td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:6px 8px;text-align:right}
th:last-child,td:last-child{border-right:0}
th{background:var(--head);font-weight:600;font-size:12px;text-align:center;vertical-align:middle}
.l{text-align:left} .b{font-weight:600}
table.calc{min-width:980px} table.calc.ext{min-width:1320px}
table.calc td{padding:0;vertical-align:middle}
table.calc td.l,table.calc tfoot td,table.calc .ghead td{padding:6px 8px}
td.c{position:relative;min-width:74px}
td.c input{width:100%;border:0;background:transparent;padding:8px 8px;text-align:right;outline:none;border-radius:0}
td.c.txt input{text-align:left} td.c .v{display:block;padding:8px}
td.c.txt .v{text-align:left}
td.c input:hover{background:#f3f6fb} td.c input:focus{background:#fff;box-shadow:inset 0 0 0 2px var(--pri)}
td.c.ov{background:var(--ov);box-shadow:inset 3px 0 0 var(--ov-line)}
td.c.ov input{padding-right:22px}
td.c.b input,td.c.b .v{font-weight:600}
td.name{min-width:190px} td.contract{min-width:64px;width:64px}
td.c .pv{display:none}
.rst{position:absolute;right:2px;top:50%;transform:translateY(-50%);border:0;background:none;color:#8a6a00;cursor:pointer;font-size:14px;padding:2px 3px;line-height:1}
.rst:hover{color:#000}
td.th{width:132px;padding:4px 6px!important;text-align:center}
td.th svg{display:block;width:118px;height:auto;max-height:84px;margin:0 auto}
.dims{font-size:11px;color:var(--mut);white-space:nowrap;margin-top:2px}
td.grip{width:26px;text-align:center;color:#98a2b3;cursor:grab;user-select:none;letter-spacing:-2px}
.x{border:0;background:none;color:#98a2b3;font-size:18px;line-height:1;cursor:pointer;padding:4px 8px}
.x:hover{color:var(--err)}
tr.sub td{background:var(--sub)} tr.sub td.c.ov{background:var(--ov)}
tr.sub td.name input,tr.sub td.name .v{padding-left:20px}
tr.bad td.name{box-shadow:inset 3px 0 0 var(--err)}
tr.notes td{padding:3px 8px 6px!important;font-size:12px;background:#fafbfc;border-right:0}
.ghead td{background:#e6ebf3;font-weight:600;border-right:0} .ghead td.gt{white-space:nowrap}
tfoot td{font-weight:600;border-bottom:0} td.lab{white-space:nowrap}
td.num{white-space:nowrap}
.sortable-ghost{opacity:.35}
table.list td,table.list th{white-space:nowrap} table.list td.l{white-space:normal}
.acts{display:flex;gap:6px;justify-content:flex-end}
table.set{margin-bottom:10px} table.set input{width:100%;min-width:70px;border:1px solid var(--line);border-radius:6px;padding:5px 7px;text-align:right}
.busy,.toast{position:fixed;left:50%;bottom:64px;transform:translateX(-50%);background:#1c2330;color:#fff;padding:10px 16px;border-radius:9px;
  box-shadow:0 6px 24px rgba(0,0,0,.25);z-index:10;display:flex;gap:12px;align-items:center;max-width:92vw}
.busy{bottom:112px} .toast button{border:0;background:none;color:#9cc0ff;font:inherit;font-weight:600;cursor:pointer}
.co{font-weight:600;color:var(--pri);white-space:nowrap} .co.big{font-size:14px;margin-bottom:2px}
.btn.tgl.on{background:var(--ink);border-color:var(--ink);color:#fff}
h2{font-size:15px;margin:0 0 10px}
.crow{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end} .crow label{min-width:200px}
.prices{margin-top:12px;padding-top:14px;border-top:1px solid var(--line)}
.vhead{margin:4px 0 12px} .vhead p{margin:2px 0 0} .printonly{display:none}
.mode-calc .vhead h1{font-size:20px}

@media (max-width:700px){.app{padding:10px 10px 60px}.tools .grow{display:none}}
@media print{
  @page{size:A4 landscape;margin:10mm}
  body{background:#fff;font-size:10px}
  .app{padding:0;max-width:none}
  .noprint{display:none!important} .printonly{display:block}
  .wrap,.wrap.scroll{overflow:visible;border:0;border-radius:0;max-height:none;min-height:0}
  table.calc{border-collapse:collapse} table.calc thead th,table.calc tfoot td{position:static;box-shadow:none}
  table.calc,table.calc.ext{min-width:0} th{font-size:9px}
  th,td{border:1px solid #999;padding:3px 4px}
  td.c input,.rst{display:none} td.c .pv,td.c .v{display:block;padding:3px 4px}
  td.c.txt .pv{text-align:left} td.c.b .pv{font-weight:600} td.name{overflow-wrap:anywhere;min-width:34mm}
  tr.sub td.name .pv,tr.sub td.name .v{padding-left:10px}
  tfoot{display:table-row-group} thead{display:table-header-group}
  .dims{font-size:7px}
  td.c{min-width:0} td.name{min-width:0}
  td.c.ov{background:none;box-shadow:none} tr.sub td{background:#f6f6f6}
  tr.bad td.name{box-shadow:none}
  td.th{width:80px} td.th svg{width:70px;max-height:50px}
  tbody.blk{break-inside:avoid}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}