/* DomAI — единый интерфейс проекта */
:root{
  --ink:#14202b; --ink2:#3b4a57; --muted:#6b7884; --line:#dde2e7; --line2:#eef1f4;
  --bg:#f3f5f7; --card:#fff; --accent:#0f6cbd; --accent-2:#e8f1fb; --accent-ink:#0b4f8a;
  --ok:#1f8a4c; --ok-bg:#e5f5ec; --warn:#a86300; --warn-bg:#fff4dd; --err:#c0392b; --err-bg:#fdeaea;
  --radius:12px; --shadow:0 1px 2px rgba(20,32,43,.06),0 4px 16px rgba(20,32,43,.06);
  --nav-w:216px; --top-h:56px;
  font-synthesis:none;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%}
.hidden{display:none!important}
a{color:var(--accent)}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.2}
h2{font-size:20px} h3{font-size:16px} h4{font-size:14px}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;min-height:36px}
input:focus,select:focus,textarea:focus{outline:2px solid #9cc6ee;outline-offset:0;border-color:var(--accent)}
input[type=checkbox],input[type=radio]{width:auto;min-height:0}
input[type=color]{padding:2px;height:36px}
label{display:block;font-size:12px;color:var(--ink2);margin:6px 0}
label>input,label>select,label>textarea{margin-top:4px}
label.check{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 14px;cursor:pointer;font-weight:600;min-height:36px;white-space:nowrap;text-decoration:none;color:var(--ink)}
.btn:hover{border-color:#b9c3cc;background:#fafbfc}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-ink)}
.btn.danger{color:var(--err);border-color:#f0c4bf}
.btn.ghost{border-color:transparent;background:transparent}
.btn.small{padding:5px 10px;min-height:30px;font-size:13px}
.btn.wide{width:100%}
.btn.active{background:var(--accent-2);border-color:#a9cbee;color:var(--accent-ink)}
.icon-btn{border:1px solid transparent;background:transparent;border-radius:8px;min-width:34px;height:34px;cursor:pointer;font-size:17px;color:var(--ink)}
.icon-btn:hover{background:#eef1f4}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.spacer{flex:1}
.muted{color:var(--muted);font-size:12px}
.small{font-size:12px}
.num{font-variant-numeric:tabular-nums}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card+.card{margin-top:12px}
.card h3{display:flex;align-items:center;gap:8px}
.note{padding:10px 12px;border-radius:9px;background:var(--warn-bg);border:1px solid #f1d699;font-size:12.5px;color:#5c4100}
.note.info{background:var(--accent-2);border-color:#bfd8f2;color:#173f63}
.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:11.5px;font-weight:600;background:#eef1f4;color:var(--ink2)}
.badge.ok{background:var(--ok-bg);color:var(--ok)} .badge.warn{background:var(--warn-bg);color:var(--warn)} .badge.err{background:var(--err-bg);color:var(--err)}
table.t{width:100%;border-collapse:collapse;font-size:13px}
table.t th{text-align:left;font-weight:600;color:var(--ink2);background:#f6f8fa;border-bottom:1px solid var(--line);padding:7px 8px;position:sticky;top:0}
table.t td{border-bottom:1px solid var(--line2);padding:6px 8px;vertical-align:top}
table.t td.r,table.t th.r{text-align:right}
table.t tr.sec td{background:#fafbfc;font-weight:700}
.tbl-wrap{overflow:auto;max-width:100%}

/* ---------- auth ---------- */
.auth{min-height:100vh;display:grid;grid-template-columns:1.2fr 1fr;gap:0}
.auth-brand{background:linear-gradient(160deg,#14202b,#1d3346);color:#fff;padding:56px 7vw;display:flex;flex-direction:column;justify-content:center}
.auth-brand h1{font-size:34px;margin:18px 0 12px;max-width:620px}
.auth-brand p{color:#c9d4de;max-width:600px;font-size:15.5px}
.auth-points{padding-left:18px;color:#e6edf3;line-height:1.9}
.auth-brand .disclaimer{font-size:12.5px;color:#9fb0bf;border-top:1px solid #ffffff22;padding-top:14px;margin-top:22px}
.auth-card{align-self:center;justify-self:center;width:min(420px,92vw);background:#fff;border-radius:16px;padding:28px;box-shadow:var(--shadow);border:1px solid var(--line);margin:24px}
.seg{display:grid;grid-template-columns:1fr 1fr;background:#eef1f4;border-radius:10px;padding:3px;margin-bottom:14px}
.seg-btn{border:0;background:transparent;border-radius:8px;padding:8px;cursor:pointer;font-weight:600;color:var(--ink2)}
.seg-btn.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px #0002}
.form-msg{min-height:20px;margin-top:8px;font-size:13px;color:var(--err)}
.form-msg.ok{color:var(--ok)}
.auth-links{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;margin-top:10px}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;letter-spacing:.2px}
.brand-mark{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:7px;background:var(--accent);color:#fff;font-size:17px}

/* ---------- app shell ---------- */
.app{display:grid;grid-template-columns:var(--nav-w) 1fr;grid-template-rows:var(--top-h) 1fr;height:100vh;height:100dvh}
.topbar{grid-column:1/-1;display:flex;align-items:center;gap:14px;padding:0 14px;background:#fff;border-bottom:1px solid var(--line);z-index:20}
.topbar .brand{width:calc(var(--nav-w) - 28px)}
.project-title{flex:1;display:flex;align-items:center;gap:10px;min-width:0}
.project-title input{max-width:420px;font-weight:700;font-size:15px;border-color:transparent;background:transparent}
.project-title input:hover{border-color:var(--line)}
.save-state{font-size:12px;color:var(--muted);white-space:nowrap}
.save-state.err{color:var(--err)} .save-state.ok{color:var(--ok)}
.top-actions{display:flex;align-items:center;gap:4px}
.menu{position:relative}
.menu-pop{position:absolute;right:0;top:40px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);min-width:220px;padding:6px;z-index:50}
.menu-pop button{display:block;width:100%;text-align:left;border:0;background:transparent;padding:8px 10px;border-radius:7px;cursor:pointer}
.menu-pop button:hover{background:#f1f4f7}
.menu-head{padding:8px 10px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line2);margin-bottom:4px;word-break:break-all}
.sidenav{background:#fff;border-right:1px solid var(--line);padding:10px 8px;overflow:auto}
.sidenav a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;color:var(--ink2);text-decoration:none;font-weight:600;margin-bottom:2px}
.sidenav a i{font-style:normal;width:20px;text-align:center;color:var(--muted)}
.sidenav a:hover{background:#f1f4f7}
.sidenav a.active{background:var(--accent-2);color:var(--accent-ink)}
.sidenav a.active i{color:var(--accent)}
.main{overflow:auto;padding:18px 20px 40px;min-width:0}
.sec{display:none;max-width:1500px;margin:0 auto}
.sec.active{display:block}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.sec-head h2{margin:0;font-size:22px}
.sec-head p{margin:4px 0 0;color:var(--muted)}

/* ---------- editor layouts ---------- */
.workspace{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:14px;align-items:start}
.canvas-card{padding:0;overflow:hidden;position:relative}
.toolbar{display:flex;gap:6px;flex-wrap:wrap;align-items:center;padding:10px;border-bottom:1px solid var(--line);background:#fafbfc}
.toolbar .sep{width:1px;height:24px;background:var(--line);margin:0 4px}
.svgbox{position:relative;height:calc(100vh - 230px);min-height:420px;background:#fbfbf9;touch-action:none;user-select:none}
.svgbox svg{width:100%;height:100%;display:block}
.status-line{padding:8px 12px;font-size:12px;color:var(--ink2);border-top:1px solid var(--line);background:#fafbfc;display:flex;gap:14px;flex-wrap:wrap}
.panel h4{margin-top:4px}
.panel .card{padding:14px}
.list{display:flex;flex-direction:column;gap:6px}
.list-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer}
.list-item:hover{border-color:#b9c3cc}
.list-item.active{border-color:var(--accent);background:var(--accent-2)}
.floor-tabs{display:flex;gap:4px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:11px;padding:12px 14px}
.kpi b{display:block;font-size:20px;margin-top:2px}
.kpi span{font-size:12px;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px}
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:8px}
.swatch{border:2px solid var(--line);border-radius:10px;padding:6px;background:#fff;cursor:pointer;text-align:left}
.swatch canvas{width:100%;height:64px;border-radius:6px;display:block;margin-bottom:5px}
.swatch b{display:block;font-size:12.5px;line-height:1.2}
.swatch span{font-size:11.5px;color:var(--muted)}
.swatch.active{border-color:var(--accent);box-shadow:0 0 0 2px #cfe2f6}
.tabs{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:12px}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 12px;cursor:pointer;font-weight:600;color:var(--ink2)}
.tabs button.active{background:var(--ink);border-color:var(--ink);color:#fff}
.calc-block{margin-bottom:12px}
.calc-block .cols{display:grid;grid-template-columns:1fr 1.3fr;gap:12px}
.calc-block .method{font-size:12px;color:var(--muted);margin-top:8px}
.issue{display:flex;gap:8px;padding:7px 9px;border-radius:8px;font-size:12.5px;margin-bottom:5px}
.issue.error{background:var(--err-bg);color:#7d1f15}
.issue.warning{background:var(--warn-bg);color:#5c4100}
.issue.ok{background:var(--ok-bg);color:#14532d}
.three-stage{position:relative;height:calc(100vh - 230px);min-height:420px;background:#cfdde8}
.three-stage canvas{display:block;width:100%;height:100%;touch-action:none}
.three-hint{position:absolute;left:10px;bottom:10px;background:#0009;color:#fff;font-size:12px;padding:6px 9px;border-radius:7px;pointer-events:none}
.ai-box textarea{min-height:92px;resize:vertical}
.mini-plan{background:#fbfbf9;border:1px solid var(--line);border-radius:10px;height:260px}
.mini-plan svg{width:100%;height:100%}
.version{display:flex;gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line2);font-size:13px}
.doc-preview{background:#e9ecef;padding:14px;border-radius:12px;max-height:75vh;overflow:auto}
.sheet{background:#fff;max-width:820px;margin:0 auto 14px;padding:28px 34px;box-shadow:0 1px 4px #0002;border-radius:4px}
.sheet h1{font-size:22px}.sheet h2{font-size:17px;border-bottom:1px solid #ddd;padding-bottom:4px}
.sheet table{width:100%;border-collapse:collapse;font-size:12px;margin:6px 0 10px}
.sheet td,.sheet th{border:1px solid #c9d0d6;padding:4px 6px;text-align:left}
.sheet .note{margin:8px 0}
.cost-input{width:96px;padding:4px 6px;min-height:28px;text-align:right}
tr.disabled td{opacity:.45}
tr.overridden td.edit input{background:#fff8e6}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--ink2);padding:8px 12px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:4px;vertical-align:-2px}

.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-size:13.5px;opacity:0;pointer-events:none;transition:.2s;z-index:100;max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%)}
.toast.err{background:var(--err)}
.modal{position:fixed;inset:0;background:#14202b88;display:grid;place-items:center;z-index:90;padding:16px}
.modal-card{background:#fff;border-radius:14px;padding:20px;width:min(560px,100%);max-height:90vh;overflow:auto;box-shadow:0 10px 40px #0004}
.boot{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg);color:var(--muted);z-index:200}
.spin{display:inline-block;width:14px;height:14px;border:2px solid #fff8;border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

/* ---------- SVG ---------- */
.room{stroke:#3b4a57;stroke-width:.04;cursor:move}
.room.sel{stroke:var(--accent);stroke-width:.08}
.room-label{font-size:.36px;fill:#1c2a36;pointer-events:none;font-weight:600}
.room-sub{font-size:.28px;fill:#55636f;pointer-events:none}
.ext-wall{fill:none;stroke:#14202b;stroke-width:.4}
.handle{fill:var(--accent);opacity:.85;cursor:ew-resize}
.handle.v{cursor:ns-resize}
.dim{stroke:#3b4a57;stroke-width:.025;fill:none}
.dim-text{font-size:.3px;fill:#3b4a57}
.opening-win{stroke:#2b8cc4;stroke-width:.16;cursor:pointer}
.opening-door{stroke:#8b5a36;stroke-width:.12;cursor:pointer}
.opening-sel{stroke:#ff7a00!important}
.site-obj{stroke:#4b5560;stroke-width:.06;cursor:move}
.site-obj.sel{stroke:var(--accent);stroke-width:.14}
.site-obj.bad{stroke:var(--err);stroke-width:.14}
.site-label{font-size:.6px;fill:#1c2a36;pointer-events:none;font-weight:600}

@media print{
  body{background:#fff}
  .app>*:not(.main),.sec:not(.active),.no-print{display:none!important}
  .app{display:block;height:auto}
  .main{overflow:visible;padding:0}
  .doc-preview{max-height:none;background:#fff;padding:0}
  .sheet{box-shadow:none;page-break-after:always;max-width:none}
}

/* ---------- адаптив ---------- */
@media (max-width:1100px){.workspace{grid-template-columns:minmax(0,1fr) 300px}}
@media (max-width:900px){
  :root{--nav-w:0px}
  .app{grid-template-columns:1fr;grid-template-rows:var(--top-h) auto 1fr}
  .topbar .brand span:last-child{display:none}
  .topbar .brand{width:auto}
  .sidenav{display:flex;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);padding:6px;gap:4px;scrollbar-width:none}
  .sidenav::-webkit-scrollbar{display:none}
  .sidenav a{flex:0 0 auto;padding:7px 10px;margin:0;font-size:13px}
  .sidenav a i{display:none}
  .main{padding:12px 10px 60px}
  .workspace{grid-template-columns:1fr}
  .svgbox,.three-stage{height:58vh;min-height:320px}
  .auth{grid-template-columns:1fr}
  .auth-brand{padding:32px 22px}
  .auth-brand h1{font-size:24px}
  .auth-points{display:none}
  .calc-block .cols{grid-template-columns:1fr}
  #saveNowBtn{display:none}
  .project-title input{font-size:14px}
}
@media (max-width:520px){
  .grid3{grid-template-columns:1fr 1fr}
  .top-actions .icon-btn#redoBtn{display:none}
  .sec-head h2{font-size:19px}
}
.cards-ai{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}
@media (max-width:900px){.cards-ai{grid-template-columns:1fr}.cards{grid-template-columns:1fr}}
/* чертежи в документах: строго внутри своей области листа */
.sheet .drawing{height:520px;max-height:70vh;overflow:hidden;border:1px solid #d5dbe1;border-radius:4px;background:#fff;margin:6px 0 10px}
.sheet .drawing svg{display:block;width:100%;height:100%}
@media print{.sheet .drawing{height:180mm;max-height:none}}
@media (max-width:600px){.sheet{padding:16px}.sheet .drawing{height:320px}}
/* AI-описание: примеры и «что понял DomAI» */
.ai-examples{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 8px}
.chip-btn{border:1px solid #c9d9ea;background:#f2f7fd;color:var(--accent-ink);border-radius:99px;padding:5px 11px;font-size:12.5px;font-weight:600;cursor:pointer}
.chip-btn:hover{background:#e3effb}
.ai-live{min-height:8px}
.ai-chips{display:flex;flex-wrap:wrap;gap:5px;align-items:center;margin-top:7px}
.ai-chips-title{font-size:12px;color:var(--muted);margin-right:2px}
.chip{display:inline-block;font-size:12px;padding:3px 9px;border-radius:99px;background:#eef1f4;color:var(--ink2)}
.chip.ok{background:var(--ok-bg);color:#14532d}
.chip.warn{background:var(--warn-bg);color:#6b4a00}
/* демо на первом экране */
.auth{align-items:start}
.auth-brand{justify-content:flex-start;padding-top:40px;min-height:100vh}
.demo{background:#ffffff10;border:1px solid #ffffff26;border-radius:16px;padding:14px;margin:14px 0 6px;max-width:760px}
.demo textarea{background:#fff;color:var(--ink);min-height:74px;resize:vertical}
.demo .chip-btn{background:#ffffff1a;border-color:#ffffff40;color:#fff}
.demo .chip-btn:hover{background:#ffffff33}
.demo .ai-chips-title{color:#c9d4de}
.demo #demoBtn{margin-top:8px}
.demo-result{background:#fff;color:var(--ink);border-radius:12px;padding:12px;margin-top:12px}
.demo-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.demo-kpis div{background:#f3f5f7;border-radius:9px;padding:8px 10px;font-size:12px;color:var(--muted)}
.demo-kpis b{display:block;font-size:17px;color:var(--ink)}
.demo-tabs{display:flex;gap:4px;margin:10px 0 6px;flex-wrap:wrap}
.demo-plan{height:340px;background:#fbfbf9;border:1px solid var(--line);border-radius:10px}
.demo-plan svg{width:100%;height:100%;display:block}
.demo-result .ai-chips-title{color:var(--muted)}
.demo-cta{margin-top:10px;padding:10px 12px;background:var(--accent-2);border-radius:10px;font-size:13.5px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.demo-cta .btn{margin-left:auto}
.auth-card{position:sticky;top:24px}
@media (max-width:900px){.auth-brand{min-height:0;padding:24px 16px}.demo-kpis{grid-template-columns:1fr 1fr}.demo-plan{height:280px}.auth-card{position:static}}
.sheet .drawing.facade{height:auto;max-height:none}
.sheet .drawing.facade svg{height:auto}
@media print{.sheet .drawing.facade{height:auto}}
@media (max-width:600px){.sheet .drawing.facade{height:auto}}
.btn.locked::before{content:"🔒 "}

/* публичная информация для покупателей: тарифы и реквизиты продавца (требование ЮKassa) */
.auth-prices{margin-top:18px;padding-top:14px;border-top:1px solid var(--line,#e2e6ea);font-size:14px}
.auth-prices h3{margin:0 0 6px;font-size:16px}.auth-prices ul{margin:0 0 8px;padding-left:18px;line-height:1.7}
.site-foot{grid-column:1/-1;padding:14px 24px;font-size:13px;color:#5d6b76;background:#fff;border-top:1px solid #e2e6ea}
.site-foot a{margin-right:14px}