:root{
  --ink:#1d2a3a; --ink2:#46566a; --mute:#7c8796; --paper:#f4f2ec; --card:#fff; --line:#e1ddd2; --line2:#cfc9bb;
  --accent:#c7832a; --accent-soft:#f6e8d3; --blue:#2f5d8a; --blue-soft:#e4edf6; --warn:#b4541a; --ok:#2e7d4f;
  --r:10px; --font:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif; --mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
  --top:58px; --mt:62px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
html{overflow-x:hidden}
body{overflow-x:clip}
.m-only{display:none}
body{background:var(--paper);color:var(--ink);font:14px/1.45 var(--font);-webkit-tap-highlight-color:transparent}
button,input,select{font:inherit;color:inherit}
input,select{width:100%;padding:8px 10px;border:1px solid var(--line2);border-radius:8px;background:#fff;min-height:38px}
input:focus,select:focus{outline:2px solid var(--blue-soft);border-color:var(--blue)}
input[type=checkbox]{width:18px;height:18px;min-height:0;accent-color:var(--accent);margin:0}
input[type=range]{padding:0;border:0;accent-color:var(--accent);min-height:28px}
label{display:block;font-size:12.5px;color:var(--ink2);font-weight:600;margin:10px 0 0}
label>input,label>select,label>.range{margin-top:4px}
.hint{font-size:12px;color:var(--mute);margin:8px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 14px;border-radius:8px;border:1px solid var(--ink);background:var(--ink);color:#fff;font-weight:700;cursor:pointer;text-decoration:none;white-space:nowrap;min-height:38px}
.btn:hover{filter:brightness(1.15)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line2)}
.btn.ghost:hover{background:#fff}
.btn.sm{padding:6px 10px;font-size:13px;min-height:32px}
.btn.wide{width:100%;margin-top:12px}
.btn.wa{background:#1f9d55;border-color:#1f9d55}
.btn.danger{background:#fff;color:var(--warn);border-color:#e7c1a9}

/* ---------- шапка ---------- */
.top{position:sticky;top:0;z-index:30;height:var(--top);display:flex;align-items:center;gap:14px;padding:0 16px;background:var(--ink);color:#fff}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand .logo{width:30px;height:30px;color:#fff;flex:none}
.brand b{display:block;font-size:15px;letter-spacing:.2px}
.brand small{display:block;font-size:11px;opacity:.65;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px}
.pname{flex:1;max-width:340px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);color:#fff;font-weight:600}
.pname:focus{background:rgba(255,255,255,.14);outline:none;border-color:var(--accent)}
.top-actions{margin-left:auto;display:flex;gap:8px;align-items:center}
.top-actions .btn{background:var(--accent);border-color:var(--accent)}
.top-actions .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}
.adm-btn svg,.adm-big svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.side-menu{margin:14px 0 4px}
.inst-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.inst-big{margin-top:8px}
.steps{padding-left:20px;margin:12px 0;line-height:1.6}.steps li{margin-bottom:6px}
.steps .ic{display:inline-block;border:1px solid var(--line2);border-radius:5px;padding:0 5px;font-size:12px}
.side-menu .row-btns .btn{flex:1}
.adm-big{background:var(--accent);border-color:var(--accent)}
.tel{color:#fff;opacity:.8;text-decoration:none;font-family:var(--mono);font-size:13px;margin-right:6px}

/* ---------- раскладка ---------- */
.layout{display:grid;grid-template-columns:380px 1fr;min-height:calc(100vh - var(--top))}
.side{border-right:1px solid var(--line);background:#faf9f5;padding:10px 14px 30px;overflow:auto;height:calc(100vh - var(--top));position:sticky;top:var(--top)}
.view{min-width:0;padding:12px 18px 40px}
.sec{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:0 14px;margin:10px 0}
.sec>summary{list-style:none;cursor:pointer;font-weight:800;padding:13px 0;display:flex;align-items:center;gap:10px;font-size:14.5px}
.sec>summary::-webkit-details-marker{display:none}
.sec>summary::after{content:'';margin-left:auto;width:8px;height:8px;border-right:2px solid var(--mute);border-bottom:2px solid var(--mute);transform:rotate(45deg);transition:.2s}
.sec[open]>summary::after{transform:rotate(-135deg)}
.sec[open]{padding-bottom:14px}
.sec.flat{margin-top:14px}
.sec .n{width:22px;height:22px;border-radius:50%;background:var(--ink);color:#fff;display:inline-grid;place-items:center;font-size:12px;flex:none}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chips button,.tpls button{border:1px solid var(--line2);background:#fff;border-radius:20px;padding:4px 10px;font-size:12.5px;cursor:pointer;font-family:var(--mono)}
.chips button:hover,.tpls button:hover{border-color:var(--accent);background:var(--accent-soft)}
.tpls{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.tpls button{font-family:var(--font);font-weight:600;padding:7px 12px}
.seg{display:flex;background:#efece4;border-radius:9px;padding:3px;margin-top:10px;gap:3px}
.seg button{flex:1;border:0;background:transparent;padding:8px 4px;border-radius:7px;font-weight:700;font-size:12.5px;cursor:pointer;color:var(--ink2);line-height:1.2}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.seg4{flex-wrap:wrap}.seg4 button{flex:1 1 45%}
.chk{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--ink);margin-top:12px;cursor:pointer}
.range{display:flex;align-items:center;gap:10px}.range output{font-family:var(--mono);font-weight:600;min-width:36px;text-align:right;color:var(--ink)}
.row-btns{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.side-foot{font-size:11.5px;color:var(--mute);padding:10px 4px}
[hidden]{display:none!important}

/* список проёмов */
.olist{display:flex;flex-direction:column;gap:8px}
.lvl-h{font-size:12px;font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:.6px;margin:12px 0 4px}
.orow{display:grid;grid-template-columns:52px 1fr 1fr 1fr 1fr 28px;gap:5px;align-items:end;background:#faf9f5;border:1px solid var(--line);border-radius:8px;padding:6px}
.orow label{margin:0;font-size:10.5px;font-weight:600}
.orow input,.orow select{min-height:32px;padding:4px 6px;font-size:13px;margin-top:2px}
.orow .x{border:0;background:transparent;color:var(--warn);font-size:20px;cursor:pointer;height:32px}
.otag{font-size:11px;font-weight:800;align-self:center;text-align:center;border-radius:6px;padding:5px 0}
.otag.win{background:var(--blue-soft);color:var(--blue)}.otag.door{background:var(--accent-soft);color:#8a5410}

/* ---------- вкладки просмотра ---------- */
.vtabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:10px}
.vtabs button{border:0;background:transparent;padding:10px 16px;font-weight:800;cursor:pointer;color:var(--mute);border-bottom:3px solid transparent;margin-bottom:-1px}
.vtabs button.on{color:var(--ink);border-color:var(--accent)}
.pane{display:none}.pane.on{display:block}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;margin-bottom:10px}
.kpi.total{min-width:180px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:9px 12px}
.kpi small{display:block;font-size:11px;color:var(--mute);font-weight:600}
.kpi b{font-family:var(--mono);font-size:17px;font-weight:600;white-space:nowrap}
.kpi.total{background:var(--ink);color:#fff;border-color:var(--ink)}.kpi.total small{color:#c9d1dc}
.warns:empty{display:none}
.warns{background:#fff6ee;border:1px solid #f0d2bb;border-radius:var(--r);padding:8px 12px;margin-bottom:10px;font-size:12.5px;color:#7a3c12}
.warns div{padding:2px 0 2px 16px;position:relative}.warns div::before{content:'!';position:absolute;left:0;font-weight:800;color:var(--warn)}

/* ---------- план ---------- */
.ptools{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;margin-bottom:8px}
.lvtabs{display:flex;gap:4px}
.lvtabs button{border:1px solid var(--line2);background:#fff;border-radius:8px;padding:7px 12px;font-weight:700;cursor:pointer;font-size:13px}
.lvtabs button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.modes{display:flex;gap:4px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:3px;overflow-x:auto}
.modes button{display:flex;flex-direction:column;align-items:center;gap:2px;border:0;background:transparent;border-radius:7px;padding:5px 9px;cursor:pointer;font-size:11px;font-weight:700;color:var(--ink2);min-width:54px}
.modes button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8}
.modes button[data-m=select] svg{fill:currentColor;stroke:none}
.modes button.on{background:var(--ink);color:#fff}
.planwrap{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background-image:linear-gradient(#f1efe8 1px,transparent 1px),linear-gradient(90deg,#f1efe8 1px,transparent 1px);background-size:20px 20px}
.plansvg{display:block;width:100%;height:auto;max-height:min(68vh,660px);touch-action:none;user-select:none;-webkit-user-select:none}
.plan-tip{position:absolute;left:10px;bottom:8px;font-size:12px;color:var(--ink2);background:rgba(255,255,255,.92);padding:4px 8px;border-radius:6px;pointer-events:none}
.plansvg .wall{fill:#d8c39c;stroke:#6e5631;stroke-width:.02}
.plansvg .part{fill:#e7d6b4;stroke:#6e5631;stroke-width:.015;cursor:pointer}
.plansvg .part.bear{fill:#d8c39c}
.plansvg .part.sel,.plansvg .op.sel rect,.plansvg .idr.sel rect{stroke:var(--accent);stroke-width:.05}
.plansvg .op,.plansvg .idr{cursor:pointer}
.plansvg .rlab{cursor:pointer}
.plansvg text{font-family:var(--font);user-select:none}
.selbox:empty{display:none}
.selbox{background:var(--card);border:1px solid var(--accent);border-radius:var(--r);padding:10px 12px;margin-top:10px;display:flex;flex-wrap:wrap;gap:8px 12px;align-items:end}
.selbox h4{margin:0;width:100%;font-size:13px}
.selbox label{margin:0;flex:1 1 90px}
.selbox .chk{flex:0 0 auto;margin:0 0 8px}
.prow{display:grid;grid-template-columns:auto 1fr 1fr 1fr auto auto;gap:6px;align-items:center;padding:5px 0;border-top:1px dashed var(--line);font-size:12.5px}
.prow input{min-height:30px;padding:3px 6px}

/* ---------- 3D ---------- */
.three{position:relative;height:min(70vh,680px);background:linear-gradient(#dfe8f1,#f4f2ec);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;touch-action:none}
.three canvas{display:block;width:100%;height:100%}
.three-msg{position:absolute;inset:0;display:grid;place-items:center;color:var(--mute)}
.three-tools{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;margin-bottom:8px}
.three-tools .chk{margin:0}

/* ---------- чертежи ---------- */
.dtools{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.sheets{display:flex;flex-direction:column;gap:16px}
.sheet{background:#fff;border:1px solid var(--line);border-radius:4px;box-shadow:0 2px 10px rgba(29,42,58,.06);overflow:hidden}
.sheet svg{display:block;width:100%;height:auto}
.sheet-h{display:flex;justify-content:space-between;align-items:center;padding:6px 10px;border-bottom:1px solid var(--line);font-size:12.5px;font-weight:700;background:#faf9f5}
.sheet-h button{font-size:12px}

/* ---------- смета ---------- */
.spec-t{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:13px}
.spec-t th{background:#f3f1ea;text-align:left;font-size:11.5px;color:var(--ink2);padding:8px;font-weight:700;border-bottom:1px solid var(--line)}
.spec-t td{padding:7px 8px;border-bottom:1px solid #efece4;vertical-align:top}
.spec-t td.num{font-family:var(--mono);text-align:right;white-space:nowrap}
.spec-t tr.grp td{background:var(--blue-soft);color:var(--blue);font-weight:800;font-size:12.5px;letter-spacing:.3px}
.spec-t tr.grp td.num{color:var(--blue)}
.spec-t .ex{display:block;font-size:11.5px;color:var(--mute)}
.spec-t tfoot td{font-weight:800;font-size:15px;background:var(--ink);color:#fff}
.spec-sub{margin:18px 0 8px;font-size:15px}
.spec-head{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px;margin-bottom:10px;font-size:13px;color:var(--ink2)}

/* ---------- модалка, тост ---------- */
.modal{position:fixed;inset:0;background:rgba(20,28,38,.5);z-index:60;display:grid;place-items:center;padding:16px}
.mbox{background:#fff;border-radius:14px;max-width:480px;width:100%;padding:20px;position:relative;max-height:90vh;overflow:auto}
.mbox h3{margin:0 0 6px}
.mclose{position:absolute;right:10px;top:6px;border:0;background:transparent;font-size:28px;cursor:pointer;color:var(--mute)}
.tpl-list{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.tpl-list button{text-align:left;border:1px solid var(--line);background:#faf9f5;border-radius:10px;padding:10px 12px;cursor:pointer}
.tpl-list button:hover{border-color:var(--accent)}
.tpl-list small{display:block;color:var(--mute)}
.done-btns{display:flex;flex-direction:column;gap:8px;margin:12px 0}
.done-btns .btn{width:100%}
.linkrow{display:flex;gap:6px;margin-top:4px}.linkrow input{flex:1;min-width:0}
.spin{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:sp 0.8s linear infinite;margin:14px auto 4px}
@keyframes sp{to{transform:rotate(360deg)}}
.btn:disabled{opacity:.55;cursor:wait}
.toast{position:fixed;left:50%;bottom:calc(var(--mt) + 14px);transform:translate(-50%,30px);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:.25s;z-index:80;font-weight:600}
.toast.on{opacity:1;transform:translate(-50%,0)}
.mtabs{display:none}
.print-area{display:none}

/* ---------- телефон ---------- */
@media (max-width: 900px){
  :root{--top:52px}
  .top{padding:0 10px;gap:8px}
  .brand small,.tel,#btnNew,#btnTpl{display:none}
  input,select,textarea{font-size:16px!important}
  .adm-btn{padding:6px 10px!important}
  .pname{display:none}
  .inst-btn{padding:6px 8px!important}
  .inst-btn span{display:none}
  .top-actions .btn{padding:6px 10px}
  .m-only{display:block}
  .top .brand{flex:none}
  .brand b{font-size:14px}
  .pname{max-width:none;min-width:0;font-size:13px;min-height:34px;padding:5px 8px}
  .top-actions .btn{padding:6px 10px;min-height:34px;font-size:13px}
  .layout{display:block;padding-bottom:calc(var(--mt) + env(safe-area-inset-bottom))}
  .side{display:none;height:auto;position:static;border:0;padding:6px 10px 20px}
  body.m-params .side{display:block}
  body.m-params .view{display:none}
  .view{padding:8px 10px 20px}
  .vtabs{display:none}
  .mtabs{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid var(--line);height:calc(var(--mt) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}
  .mtabs button{flex:1;border:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10.5px;font-weight:700;color:var(--mute)}
  .mtabs svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7}
  .mtabs button.on{color:var(--ink)}
  .mtabs button.on svg{stroke:var(--accent)}
  .kpis{grid-template-columns:repeat(3,1fr);gap:6px}
  .kpi{padding:6px 8px}.kpi b{font-size:14px}.kpi small{font-size:10px}
  .kpi.total{grid-column:span 3}
  .plansvg{max-height:62vh}
  .plan-tip{position:static;display:block;border-top:1px solid var(--line);border-radius:0;font-size:11.5px}
  .brand>div{display:none}
  .modes{width:100%;justify-content:space-between}
  .modes button{min-width:0;flex:1;padding:5px 2px;font-size:10px}
  .three{height:62vh}
  .orow{grid-template-columns:44px 1fr 1fr 1fr 1fr 24px}
  /* смета — карточки */
  .spec-t thead{display:none}
  .spec-t,.spec-t tbody,.spec-t tr,.spec-t td{display:block;width:100%}
  .spec-t tr{border-bottom:1px solid var(--line);padding:8px 10px;display:grid;grid-template-columns:auto 1fr auto;gap:2px 6px;align-items:baseline}
  .spec-t td{border:0;padding:0}
  .spec-t td.c-n{display:none}
  .spec-t td.c-name{grid-column:1/-1;grid-row:1;font-weight:600}
  .spec-t td.c-q{grid-column:1;grid-row:2;text-align:left;font-weight:700;color:var(--ink)}
  .spec-t td.c-u{grid-column:2;grid-row:2;color:var(--mute)}
  .spec-t td.c-s{grid-column:3;grid-row:2;text-align:right}
  .spec-t td.c-p{display:none}
  .spec-t tr.grp{display:flex;justify-content:space-between;padding:8px 10px;background:var(--blue-soft)}
  .spec-t tr.grp td{background:transparent;width:auto}
  .spec-t tfoot tr{display:flex;justify-content:space-between;background:var(--ink)}
  .spec-t tfoot td{width:auto}
  .toast{bottom:calc(var(--mt) + 20px)}
}
@media (max-width: 420px){ .grid2{grid-template-columns:1fr 1fr} .seg button{font-size:11.5px} }

/* ---------- печать ---------- */
@media print{
  @page{size:A4 landscape;margin:0}
  body{background:#fff}
  body>*:not(.print-area){display:none!important}
  .print-area{display:block!important}
  .print-area .psheet{width:297mm;height:210mm;page-break-after:always;break-after:page;overflow:hidden}
  .print-area .psheet svg{width:297mm;height:210mm;display:block}
  .print-area .pspec{padding:12mm 14mm;page-break-after:always;font-size:10pt}
  .print-area .pspec .spec-t{font-size:9pt;border:1px solid #999}
  .print-area .pspec .spec-t td,.print-area .pspec .spec-t th{padding:3px 5px;border-bottom:1px solid #ccc}
  .print-area .pspec .spec-t tr{page-break-inside:avoid}
  .print-area .pspec .spec-t tfoot td{background:#eee;color:#000}
  .print-area .pspec .spec-t tr.grp td{background:#eef2f6}
}