:root{--bg:#f5f3ef;--card:#fff;--ink:#1d1f23;--mut:#6f7178;--line:#e4e0d8;--acc:#ff6a13;--acc2:#e85a06;
  --floor:#fbe9dc;--wall:#2a2c31;--grid:#e8e3da;--door:#3a7bd5;--win:#38b2c9;--ok:#2f9e5b;--bad:#d64545}
@media (prefers-color-scheme:dark){:root{--bg:#121316;--card:#1c1e22;--ink:#f1f1f1;--mut:#9a9ca3;--line:#2c2f35;
  --floor:#2b211b;--wall:#e9e9e9;--grid:#24262b}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--acc)}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--card);border-bottom:1px solid var(--line)}
.top h1{flex:1;margin:0;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo{color:var(--ink);text-decoration:none;font-size:15px;white-space:nowrap}.logo b{color:var(--acc)}
.back{font-size:22px;text-decoration:none;color:var(--ink);padding:0 4px}
.acc-link{text-decoration:none;font-weight:600}
main{max-width:1100px;margin:0 auto;padding:14px 16px 40px;display:grid;gap:12px}
footer{text-align:center;color:var(--mut);font-size:13px;padding:0 16px 30px}
#sync[data-s=synced]{color:var(--ok)}#sync[data-s=offline]{color:var(--bad)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
.card.flush{padding:0;overflow-x:auto}
.stack{display:grid;gap:10px}.row{display:flex;align-items:center}.gap{gap:8px}.wrap{flex-wrap:wrap}.between{justify-content:space-between}
.link{text-decoration:none;color:inherit;justify-content:space-between;gap:10px}.link:active{transform:scale(.99)}
.list{display:grid;gap:8px}.right{text-align:right}.center{text-align:center}.mut{color:var(--mut);font-size:13px}.small{font-size:12px}
.nowrap{white-space:nowrap}.up{text-transform:uppercase;letter-spacing:.06em;font-size:11px;margin:6px 0 2px}
h2,h3{margin:0}h3{font-size:15px}
.hero h2{font-size:22px}.hero p{margin:6px 0 14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:10px;background:var(--acc);color:#fff;
  font:600 15px system-ui;padding:11px 16px;cursor:pointer;text-decoration:none;min-height:44px}
.btn:hover{background:var(--acc2)}.btn.big{font-size:17px;padding:14px 22px}.btn.sm{min-height:36px;padding:7px 12px;font-size:14px}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn.danger{color:var(--bad)}
label{display:grid;gap:4px;font-size:13px;color:var(--mut)}
input,select{font:16px system-ui;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);width:100%;min-width:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sum{display:grid;gap:8px}.total{display:block;font-size:30px;line-height:1.1}
.kv{display:grid;grid-template-columns:1fr auto;gap:3px 12px;font-size:14px}.kv span{color:var(--mut)}
.tabs{display:flex;gap:4px;overflow-x:auto;padding-bottom:2px}
.tabs a{flex:none;padding:9px 14px;border-radius:999px;text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--line);font-weight:600;font-size:14px}
.tabs a.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.t{width:100%;border-collapse:collapse;font-size:14px}.t td,.t th{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.t th{font-size:12px;color:var(--mut);font-weight:600}.t .r{text-align:right;white-space:nowrap}
.t .grp td{background:var(--bg);font-weight:700}
.cell{width:90px;padding:6px 8px;text-align:right}
.room-grid{display:grid;gap:12px}
@media (min-width:900px){.room-grid{grid-template-columns:1.2fr 1fr;align-items:start}.plan-wrap{position:sticky;top:64px}}
.plan{display:block;width:100%;height:min(62vh,520px);touch-action:none;background:var(--card)}
.plan text{font-family:system-ui}
.plan-tools{display:flex;flex-wrap:wrap;gap:8px;align-items:end;padding:10px;border-top:1px solid var(--line)}
.plan-tools .inline{grid-auto-flow:column;align-items:center}.plan-tools .inline input{width:90px}
.op{display:flex;align-items:center;gap:6px}.op input{width:70px;padding:6px}
.icon{border:0;background:none;color:var(--bad);font-size:16px;cursor:pointer;padding:6px}
.work{display:grid;grid-template-columns:auto 1fr auto auto;gap:8px;align-items:center;padding:7px 0;border-bottom:1px solid var(--line);color:var(--ink);font-size:14px;cursor:pointer}
.work input{width:20px;height:20px;accent-color:var(--acc)}.work:not(.on) span:first-of-type{color:var(--mut)}
.gantt{display:grid;grid-template-columns:200px 1fr;gap:10px;align-items:center}.g-l{display:grid}
.g-bar{position:relative;height:18px;background:var(--bg);border-radius:6px}.g-bar i{position:absolute;top:0;bottom:0;background:var(--acc);border-radius:6px}
.g-bar i.dry{background:repeating-linear-gradient(45deg,var(--line) 0 4px,transparent 4px 8px)}
.err{color:var(--bad);margin:0;min-height:1em}
.doc{max-width:900px;margin:0 auto;padding:20px 16px;background:var(--card);display:grid;gap:12px}.doc h1{margin:0}
.totals{max-width:420px;margin-left:auto}
@media (max-width:560px){.grid3{grid-template-columns:1fr 1fr}.gantt{grid-template-columns:1fr}.total{font-size:26px}}
/* ---------- рабочее поле ---------- */
:root{--grid2:#d9d2c5;--acc-soft:rgba(255,106,19,.12);--floor-bg:#fbf8f3;--glass:#d7eef6;--fx:#3b5a7a;--rad:#f3e3e0;--dim:#6a4fb3}
@media (prefers-color-scheme:dark){:root{--grid2:#33363c;--floor-bg:#24211e;--glass:#1d3a45;--fx:#8fb4d9;--rad:#3a2a28;--dim:#b49cf0}}
.ws-hint.warn{color:var(--bad);font-weight:600}
.ws{position:fixed;inset:0;display:grid;grid-template-rows:auto auto auto 1fr auto;background:var(--bg)}
.ws-top{display:flex;align-items:center;gap:12px;padding:6px 12px;background:var(--wall);color:var(--bg)}
.ws-top .back{color:inherit}.ws-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:30vw}
.ws-top .tabs a{background:transparent;border-color:transparent;color:inherit;opacity:.75;padding:6px 12px}
.ws-top .tabs a.on{opacity:1;background:var(--acc);color:#fff;border-color:var(--acc)}
.ws-top #sync{margin-left:auto;color:inherit;opacity:.7;white-space:nowrap}
.ws-tools{display:flex;align-items:stretch;gap:2px;padding:4px 8px;background:var(--card);border-bottom:1px solid var(--line);overflow-x:auto}
.tool{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-width:52px;padding:4px 8px;border:0;border-radius:8px;
  background:none;color:var(--ink);cursor:pointer;font:12px system-ui}
.tool i{font-style:normal;font-size:19px;line-height:1.1}.tool:hover{background:var(--bg)}.tool.on{background:var(--acc);color:#fff}
.sep{width:1px;background:var(--line);margin:4px 6px}
.ws-layers{display:flex;gap:0;overflow-x:auto;background:var(--card);border-bottom:1px solid var(--line)}
.ws-layers button{flex:none;border:0;border-right:1px solid var(--line);background:none;color:var(--ink);padding:9px 16px;font:600 13px system-ui;cursor:pointer}
.ws-layers button.on{background:var(--acc);color:#fff}
.ws-body{display:grid;grid-template-columns:1fr 340px;min-height:0}
.ws-canvas{position:relative;min-height:0}.ws-canvas svg{position:absolute;inset:0;width:100%;height:100%;touch-action:none;background:var(--card);user-select:none}
.ws-hint{position:absolute;left:10px;bottom:10px;right:10px;pointer-events:none;color:var(--mut);font-size:12px;text-shadow:0 0 4px var(--card)}
.ws-side{overflow-y:auto;padding:12px;border-left:1px solid var(--line);background:var(--card);display:grid;gap:10px;align-content:start}
.ws-side .li{display:flex;justify-content:space-between;width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);cursor:pointer;font:14px system-ui}
.ws-bar{display:flex;align-items:center;gap:16px;padding:8px 14px;background:var(--card);border-top:1px solid var(--line)}
.ws-bar .big{font-size:20px}.ws-bar .btn{margin-left:auto}
@media (max-width:820px){.ws-body{grid-template-columns:1fr;grid-template-rows:1fr minmax(0,38vh)}.ws-side{border-left:0;border-top:1px solid var(--line)}
  .hide-s{display:none}.ws-top .tabs a{padding:6px 8px;font-size:13px}.ws-name{display:none}.tool span{display:none}.tool{min-width:42px}}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{border:0;background:var(--card);color:var(--ink);padding:8px 12px;font:600 13px system-ui;cursor:pointer}.seg button.on{background:var(--ink);color:var(--bg)}
.swatches{display:flex;flex-wrap:wrap;gap:6px}
.sw{width:28px;height:28px;border-radius:50%;border:2px solid var(--line);cursor:pointer;padding:0}.sw.on{outline:3px solid var(--acc);outline-offset:1px}
.sw.pick{display:grid;place-items:center;background:conic-gradient(red,yellow,lime,cyan,blue,magenta,red);color:#fff;font-weight:700;overflow:hidden}
.sw.pick input{position:absolute;opacity:0;width:28px;height:28px;cursor:pointer}
.texs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.tx{display:grid;gap:2px;padding:4px;border:2px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);font-size:11px;cursor:pointer;text-align:center}
.tx img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:4px}.tx.on{border-color:var(--acc)}.tx.up{place-items:center;min-height:70px}
.thumb{width:56px;height:56px;object-fit:cover;border-radius:6px}
.view3d{height:min(72vh,720px);position:relative}.view3d canvas{display:block;width:100%!important;height:100%!important;border-radius:14px}
.elevs{display:grid;gap:12px}.elev{width:100%;max-height:60vh;background:#fff;border-radius:8px;margin-top:6px}
@media print{.noprint,.top,footer{display:none}body{background:#fff;color:#000}.doc{padding:0}:root{--line:#ccc;--bg:#f2f2f2;--mut:#555}}

.modal { position: fixed; inset: 0; z-index: 50; background: rgba(0,0,0,.5); display: grid; place-items: center; padding: 16px; }
.modal .card { background: var(--card, #fff); }