:root {
  --accent: #1d4e89;
  --accent-2: #2f6fbf;
  --accent-soft: #e8f0fb;
  --bg: #f3f5f8;
  --card: #fff;
  --line: #dde2e9;
  --text: #1f2430;
  --muted: #6b7380;
  --warn-bg: #fff6e0;
  --warn: #8a5a00;
  --err: #b42318;
  --radius: 10px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
.muted { color: var(--muted); }
.spacer { flex: 1; }
.loading { padding: 40px; text-align: center; color: var(--muted); }

/* --- вход --- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 28px; width: min(360px, 100%); display: grid; gap: 16px; box-shadow: 0 8px 30px rgba(20, 40, 80, .07); }
.login-card label { display: grid; gap: 6px; color: var(--muted); }
.err { color: var(--err); margin: 0; }

/* --- шапка --- */
.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; margin-right: 8px; }
.logo { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; }
#prices-info { font-size: 13px; display: inline-flex; gap: 8px; align-items: center; }
.badge { padding: 1px 8px; border-radius: 99px; font-size: 12px; }
.badge.warn { background: var(--warn-bg); color: var(--warn); cursor: help; }

/* --- кнопки --- */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--card); padding: 7px 14px; border-radius: 8px; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { border-color: #b9c3d1; }
.btn:disabled { opacity: .6; cursor: progress; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--accent-2); }
.btn.ghost { border-color: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }
.btn.small { padding: 4px 10px; font-size: 13px; margin-top: 8px; }
.btn.add { border-style: dashed; color: var(--accent); }
.btn.add:hover { background: var(--accent-soft); }
.icon { border: 0; background: none; width: 28px; height: 28px; border-radius: 6px; cursor: pointer; font-size: 18px; color: var(--muted); }
.icon:hover { background: var(--bg); color: var(--text); }
.link { border: 0; background: none; color: var(--accent); cursor: pointer; padding: 4px 0; font-size: 13px; }

/* --- раскладка --- */
.grid { display: grid; grid-template-columns: minmax(380px, 520px) minmax(0, 1fr); gap: 20px; padding: 20px; align-items: start; }
.left { display: grid; gap: 14px; }
.right { position: sticky; top: 70px; display: grid; gap: 10px; max-height: calc(100vh - 90px); grid-template-rows: auto 1fr; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.item-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.kind { font-weight: 700; font-size: 15px; }
.mini { font-size: 12px; color: var(--muted); display: inline-flex; gap: 4px; align-items: center; }
.form { display: grid; gap: 10px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.row.three { grid-template-columns: 1fr 1fr 1fr; }
.field { display: grid; gap: 4px; min-width: 0; }
.lbl { font-size: 12px; color: var(--muted); }
input, select, textarea { width: 100%; padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; background: #fff; min-width: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent-2); }
input[type=checkbox] { width: auto; }
textarea { resize: vertical; }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; cursor: pointer; }
.check em { color: var(--muted); font-style: normal; white-space: nowrap; }
.checks { display: grid; gap: 6px; padding-top: 8px; }
details.more summary { cursor: pointer; color: var(--accent); font-size: 13px; padding: 2px 0; }
details.more[open] { display: grid; gap: 10px; }
.adds { display: flex; flex-wrap: wrap; gap: 8px; }
.empty { padding: 18px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--radius); }

/* --- результаты подбора --- */
.result:not(:empty) { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); display: grid; gap: 8px; justify-items: start; }
.opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; width: 100%; }
.opt { display: grid; gap: 2px; text-align: left; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; }
.opt:hover { border-color: var(--accent-2); }
.opt.on { border-color: var(--accent); background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--accent); }
.opt.short .specs { color: var(--err); }
.opt .tag { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.opt.on .tag { color: var(--accent); font-weight: 700; }
.opt .specs { font-size: 12px; color: var(--muted); }
.opt .price { font-weight: 600; font-variant-numeric: tabular-nums; }
.opt .price small { font-weight: 400; color: var(--muted); }
.opt .note { font-size: 11px; color: var(--muted); }
.warn { background: var(--warn-bg); color: var(--warn); padding: 8px 10px; border-radius: 7px; font-size: 13px; width: 100%; }
.subtotal { font-size: 13px; color: var(--muted); }
.subtotal b { color: var(--text); font-variant-numeric: tabular-nums; }

/* --- превью КП --- */
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
#total { font-variant-numeric: tabular-nums; color: var(--text); }
.paper { background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 40px 48px; overflow: auto; box-shadow: 0 2px 14px rgba(20, 40, 80, .06); font-family: Arial, Helvetica, sans-serif; font-size: 13px; line-height: 1.5; color: #222; }
.paper .d-title { color: var(--accent); font-size: 22px; margin: 0 0 4px; line-height: 1.25; }
.paper .d-meta { color: #777; font-size: 12px; margin-bottom: 20px; }
.paper h2 { color: var(--accent); font-size: 16px; margin: 22px 0 8px; break-after: avoid; }
.paper h3 { font-size: 14px; margin: 14px 0 6px; break-after: avoid; }
.paper p { margin: 0 0 8px; }
.paper .d-small { color: #666; font-size: 11.5px; }
.paper ul, .paper ol { margin: 0 0 10px; padding-left: 22px; }
.paper li { margin-bottom: 3px; }
.paper ul li::marker { color: var(--accent); }
.d-tw { overflow-x: auto; margin: 4px 0 10px; }
.d-table { width: 100%; border-collapse: collapse; font-size: 12px; table-layout: fixed; min-width: 520px; }
.d-table th { background: #f1f3f6; color: #444; font-weight: 700; padding: 6px 7px; border-top: 1px solid #c9ced6; border-bottom: 1px solid #c9ced6; vertical-align: bottom; }
.d-table td { padding: 6px 7px; border-bottom: 1px solid #c9ced6; vertical-align: top; font-variant-numeric: tabular-nums; }
.d-table tr.hl td { background: var(--accent-soft); }
.d-table tr.b td { font-weight: 700; }

/* --- диалог --- */
dialog { border: 1px solid var(--line); border-radius: 12px; padding: 0; width: min(900px, calc(100vw - 32px)); max-height: 80vh; }
dialog::backdrop { background: rgba(20, 30, 50, .35); }
.dlg-head { display: flex; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.dlg-body { padding: 14px 16px; display: grid; gap: 10px; }
.tw { overflow-x: auto; }
table.list { width: 100%; border-collapse: collapse; font-size: 13px; }
table.list th { text-align: left; color: var(--muted); font-weight: 600; padding: 6px 8px; border-bottom: 1px solid var(--line); }
table.list td { padding: 7px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.list td.r { text-align: right; font-variant-numeric: tabular-nums; }
table.list tbody tr { cursor: pointer; }
table.list tbody tr:hover { background: var(--accent-soft); }

/* --- уведомления --- */
.toast { position: fixed; right: 20px; bottom: 20px; max-width: 420px; background: #1f2430; color: #fff; padding: 10px 14px; border-radius: 8px; opacity: 0; transform: translateY(8px); transition: .25s; z-index: 100; }
.toast.show { opacity: 1; transform: none; }
.toast.err { background: var(--err); }

/* --- адаптив --- */
@media (max-width: 980px) {
  .grid { grid-template-columns: 1fr; padding: 12px 16px; }
  .right { position: static; max-height: none; }
  .paper { padding: 24px 18px; }
  .top { padding: 10px 16px; }
}
@media (max-width: 520px) {
  .row, .row.three { grid-template-columns: 1fr; }
}

/* --- печать: только лист КП --- */
@media print {
  @page { size: A4; margin: 16mm 15mm; }
  body { background: #fff; }
  .top, .left, .toolbar, .toast, dialog { display: none !important; }
  .grid { display: block; padding: 0; }
  .right { position: static; max-height: none; display: block; }
  .paper { border: 0; box-shadow: none; padding: 0; overflow: visible; }
  .d-tw { overflow: visible; }
  .d-table { min-width: 0; }
  .d-table tr { break-inside: avoid; }
  .d-table tr.hl td, .d-table th { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}