:root{
  --bg:#f4f6f8; --card:#ffffff; --ink:#2b2f36; --muted:#6b7178;
  --line:#e2e6ea; --grey:#3a3f45; --accent:#2f6fed; --accent-ink:#ffffff;
  --ok:#1a8f4c; --warn:#c9770a; --err:#c0392b; --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:16px;line-height:1.45}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.skip-link{position:fixed;top:8px;left:8px;z-index:100;padding:10px 14px;border-radius:8px;
  background:var(--grey);color:#fff;transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(47,111,237,.35);
  outline-offset:2px}
header.top{background:var(--card);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:10}
.top-inner{max-width:1160px;margin:0 auto;display:flex;align-items:center;gap:16px;
  padding:10px 24px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--grey);font-size:18px}
.brand img{height:56px;width:auto}
.login-logo{display:block;height:96px;width:auto;margin:0 auto 14px}
.top nav{display:flex;gap:14px;margin-left:auto;align-items:center;flex-wrap:wrap}
.role-chip{background:var(--bg);border:1px solid var(--line);border-radius:20px;
  padding:3px 12px;font-size:13px;color:var(--muted)}
.wrap{max-width:1160px;margin:0 auto;padding:20px 24px}
h1{font-size:24px;margin:8px 0 16px}
h2{font-size:19px;margin:20px 0 10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;margin-bottom:16px}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--accent);
  color:var(--accent-ink);border:0;border-radius:10px;padding:11px 18px;font-size:15px;
  cursor:pointer;font-weight:600}
.btn:hover{filter:brightness(.95);text-decoration:none}
.btn.sec{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.btn.ghost{background:transparent;color:var(--accent);padding:8px 10px}
.btn.sm{padding:7px 12px;font-size:13px}
.btn.danger{background:var(--err)}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);font-size:14px}
th{color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.02em}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.field,select.field,input.field,textarea.field{width:100%;padding:11px 12px;border:1px solid var(--line);
  border-radius:9px;font-size:15px;background:#fff;color:var(--ink)}
select.field{padding-right:28px;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}
.field:focus{outline:2px solid var(--accent);border-color:var(--accent)}
label{display:block;font-size:13px;color:var(--muted);margin:0 0 4px}
.grid{display:grid;gap:14px}
.grid > div{min-width:0}
.grid select.field,.grid input.field{min-width:0;width:100%}
.grid.two{grid-template-columns:1fr 1fr}
.grid.three{grid-template-columns:1fr 1fr 1fr}
.step{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden}
.step > .step-h{background:#fafbfc;padding:12px 16px;font-weight:700;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px}
.step-h .n{background:var(--accent);color:#fff;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;font-size:13px}
.step-b{padding:16px}
.msg{padding:11px 14px;border-radius:9px;margin-bottom:10px;font-size:14px}
.msg.success{background:#e7f6ed;color:var(--ok)}
.msg.info{background:#eaf1fe;color:var(--accent)}
.msg.warning,.msg.warn{background:#fdf3e3;color:var(--warn)}
.msg.error{background:#fbecea;color:var(--err)}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;background:var(--bg);
  border:1px solid var(--line);color:var(--muted)}
.badge.warn{background:#fdf3e3;color:var(--warn);border-color:#f3d9a8}
.preview{position:sticky;top:70px}
.total-box{background:#fafbfc;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.total-row{display:flex;justify-content:space-between;padding:5px 0;font-size:15px}
.total-row.big{font-size:20px;font-weight:700;border-top:2px solid var(--grey);margin-top:6px;padding-top:10px}
.muted{color:var(--muted)}
.small{font-size:13px}
.section-row{display:grid;grid-template-columns:42px 66px 1.5fr 1.1fr 34px;gap:7px;align-items:end;
  padding:10px;border:1px solid var(--line);border-radius:9px;margin-bottom:10px;background:#fafbfc}
.section-row input.field{min-width:0;padding-left:8px;padding-right:6px}
.section-row select.field{min-width:0;padding-left:8px;padding-right:24px;
  text-overflow:ellipsis;white-space:nowrap;overflow:hidden}
.section-row .del-cell input[type=checkbox]{display:none}
.row-del{background:#fff;border:1px solid var(--line);border-radius:8px;cursor:pointer;
  width:32px;height:40px;display:flex;align-items:center;justify-content:center;font-size:0}
.row-del::before{content:"";width:16px;height:16px;display:block;
  background:var(--err);-webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round"><path d="M3 6h18"/><path d="M8 6V4a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1v2"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><line x1="10" y1="11" x2="10" y2="17"/><line x1="14" y1="11" x2="14" y2="17"/></svg>') center/contain no-repeat;
  mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round"><path d="M3 6h18"/><path d="M8 6V4a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1v2"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><line x1="10" y1="11" x2="10" y2="17"/><line x1="14" y1="11" x2="14" y2="17"/></svg>') center/contain no-repeat}
.row-del:hover{background:#fbecea;border-color:var(--err)}
.doc-links{display:flex;gap:8px;flex-wrap:wrap}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  margin:8px 0 18px}
.page-head h1,.page-head h2{margin:0}
.page-head p{margin:4px 0 0}
.head-actions{display:flex;gap:8px;flex-wrap:wrap}
.subsection-head{align-items:center;margin-top:24px;margin-bottom:10px}
.search-bar{display:flex;gap:8px;margin-bottom:16px;max-width:720px}
.form-card{max-width:760px}
.form-actions{display:flex;gap:10px;margin-top:18px}
.span-two{grid-column:span 2}
.field-help{display:block;margin-top:5px;font-size:12px}
.errorlist{margin:5px 0 0;padding:0;list-style:none;color:var(--err);font-size:12px}
.table-scroll{overflow-x:auto;padding:0}
.empty-state{padding:30px!important;text-align:center;color:var(--muted)}
.card-title{margin:0 0 14px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.detail-list{margin:0}
.detail-list>div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:9px 0;
  border-bottom:1px solid var(--line)}
.detail-list>div:last-child{border-bottom:0}
.detail-list dt{color:var(--muted);font-size:13px}
.detail-list dd{margin:0}
.object-row{padding:12px 0;border-bottom:1px solid var(--line)}
.object-row:last-child{border-bottom:0}
.object-row div{display:flex;flex-direction:column}
.object-row span{color:var(--muted);font-size:13px;margin-top:3px}
.photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:16px}
.photo-card{overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.photo-preview{display:block;aspect-ratio:4/3;background:#e8ebee;overflow:hidden}
.photo-preview img{width:100%;height:100%;object-fit:cover;transition:transform .2s}
.photo-preview:hover img{transform:scale(1.025)}
.photo-meta{padding:12px}
.photo-meta>div:first-child{display:flex;flex-direction:column}
.photo-meta span{color:var(--muted);font-size:12px}
.photo-meta p{margin:8px 0 0;font-size:13px}
.photo-meta .photo-visual{display:inline-block;margin-top:9px;color:var(--ok);background:#e7f6ed}
.photo-delete{min-height:44px;margin-top:8px;color:var(--err)}
.photo-upload{padding:0}
.photo-upload>summary{min-height:48px;cursor:pointer;padding:15px 18px;font-weight:700}
.photo-upload>form{padding:0 18px 18px}
.photo-upload .btn{margin-top:14px}
@media(max-width:760px){
  .grid.two,.grid.three{grid-template-columns:1fr}
  .span-two{grid-column:auto}
  .page-head{align-items:stretch;flex-direction:column}
  .page-head>.btn,.head-actions .btn{justify-content:center}
  .search-bar{flex-wrap:wrap}
  .search-bar .field{flex:1 1 100%}
  .photo-grid{grid-template-columns:1fr}
  .detail-list>div{grid-template-columns:1fr;gap:2px}
  .section-row{grid-template-columns:1fr 1fr;}
  .layout2{display:block!important}
  .preview{position:static}
}
.layout2{display:grid;grid-template-columns:1fr 420px;gap:20px;align-items:start}

/* Редактор изделия: слева настройки, справа крупное превью (sticky) */
.editor{display:grid;grid-template-columns:400px minmax(0,1fr);grid-template-rows:minmax(0,1fr);
  gap:20px;padding:0 4px;height:calc(100vh - 200px);overflow:hidden}
/* точная высота выставляется JS (fitEditor) по фактическому положению на экране */
.editor-params{order:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:14px;padding-right:8px}
.editor-params > *{flex:0 0 auto}
.editor-params .acc{margin-bottom:0}
.editor-canvas{order:2;min-height:0;display:flex;flex-direction:column;gap:12px}
.editor-canvas .canvas-card{padding:16px;flex:1 1 auto;min-height:0;
  display:flex;flex-direction:column;overflow:hidden;position:relative}
.editor-canvas #svgBox{flex:1 1 auto;min-height:0;display:flex;align-items:center;
  justify-content:center;overflow:hidden}
/* чертёж растягивается на всю доступную высоту превью */
.editor-canvas #svgBox svg{height:100%!important;width:auto!important;max-width:100%}
.editor-canvas .canvas-hint{flex:0 0 auto;margin:6px 0 0}
.editor-canvas .price-card{flex:0 0 auto;margin:0;padding:12px 16px}
.canvas-tools{position:absolute;top:12px;right:12px;display:flex;gap:6px;z-index:5}
/* тулбар — просто в пустой области, без карточки, минимум высоты */
.canvas-toolbar{flex:0 0 auto;display:flex;align-items:center;gap:8px;padding:0 2px}
.canvas-toolbar .spacer{margin-left:auto}
.acc-body{padding:0 18px 18px}
.section-row{padding:12px;gap:10px;margin-bottom:10px}
@media(max-width:1100px){
  .editor{grid-template-columns:1fr;height:auto;overflow:visible}
  .editor-params,.editor-canvas{height:auto;overflow:visible;max-height:none}
  .editor-canvas #svgBox svg{max-height:70vh}
}
.canvas-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.price-card{background:#0f172a;color:#fff;border-radius:var(--radius);padding:16px;margin-top:14px}
.price-card .big{font-size:28px;font-weight:800;letter-spacing:-.02em}
.price-card .muted{color:#9fb0c4}
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;margin-top:10px;font-size:13px}
.price-grid b{font-variant-numeric:tabular-nums}
.acc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:10px}
.acc > summary{list-style:none;cursor:pointer;padding:13px 16px;font-weight:700;display:flex;align-items:center;gap:10px;user-select:none}
.acc > summary::-webkit-details-marker{display:none}
.acc > summary::after{content:"⌄";margin-left:auto;color:var(--muted);font-size:18px;transition:transform .15s}
.acc[open] > summary::after{transform:rotate(180deg)}
.acc > summary .n{background:var(--accent);color:#fff;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px}
.acc > summary .sub{font-weight:400;font-size:12px;color:var(--muted);margin-left:6px}
.acc-body{padding:0 16px 16px}
.svg-clickable [data-sec]{cursor:pointer}
.sec-row-active{outline:2px solid var(--accent);outline-offset:1px}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .photo-preview img{transition:none}
  .photo-preview:hover img{transform:none}
}
@media(max-width:900px){
  .editor{grid-template-columns:1fr}
  .editor-canvas{position:static}
}