/* Калькулятор забора — мир темы «Чертёж»: белый лист, чернильные линии, жёлтый маркер
   только у главного. Общий слой _shared/rb-calc.css задаёт карточку результата, селекты,
   плитки и справку; здесь — раскладка и то, что есть только у этой страницы (отступы схемы,
   чекбокс «замкнут», свёртки «Бетонирование» и «Цены»). */
#content .remboo-zabor{
  --ink:#111;--muted:#5A5A56;--line:#111;--rule:#E8E8E5;--border:#BDBDB8;--paper:#fff;--panel:#F5F5F3;
  --accent:#FFD500;--accent-soft:#FFF3B0;--accent-dark:#111;--blue:#111;--danger:#B23A0C;--warn:#FF5A1F;
  clear:both;width:100%;color:var(--ink);font:400 16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif;
}
#content .remboo-zabor *{box-sizing:border-box}
#content .remboo-zabor [hidden]{display:none!important}
#content .remboo-zabor .calc-shell{max-width:1180px;margin:0 auto;padding:clamp(18px,3vw,42px);background:var(--paper)}
#content .remboo-zabor .calc-intro{max-width:760px;margin:0 0 28px}
#content .remboo-zabor .eyebrow{margin:0 0 6px;color:var(--ink);font-size:.78rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase}
#content .remboo-zabor .calculator-title,#content .remboo-zabor h2,#content .remboo-zabor h3{color:var(--ink);font-weight:760;letter-spacing:-.025em}
#content .remboo-zabor .calculator-title{margin:0 0 8px;font-size:clamp(2rem,5vw,3.6rem);line-height:1.04}
#content .remboo-zabor h2{margin:0 0 16px;font-size:clamp(1.55rem,3vw,2.25rem);line-height:1.15}
#content .remboo-zabor h3{margin:0;font-size:1.08rem;line-height:1.25}
#content .remboo-zabor p{margin:0 0 14px}
#content .remboo-zabor .calc-intro>p:last-child{color:var(--muted);font-size:1.08rem}
#content .remboo-zabor .workspace{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:24px;align-items:start}
#content .remboo-zabor form{min-width:0;padding:0;border:0;background:transparent}
#content .remboo-zabor .section-title{display:flex;align-items:center;gap:12px;margin:4px 0 16px;padding-top:20px;border-top:1px solid var(--rule)}
#content .remboo-zabor .section-title:first-child{padding-top:0;border-top:0}
#content .remboo-zabor .section-title>span{display:none}
#content .remboo-zabor label{display:block;margin:0 0 15px;color:var(--ink);font-size:.93rem;font-weight:500}
#content .remboo-zabor input,#content .remboo-zabor select,#content .remboo-zabor button{font:inherit}
#content .remboo-zabor input,#content .remboo-zabor select{width:100%;min-height:48px;margin-top:6px;padding:10px 12px;border:1px solid var(--border);border-radius:0;background:#fff;color:var(--ink);font-size:1rem;box-shadow:none}
#content .remboo-zabor input:focus,#content .remboo-zabor select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
#content .remboo-zabor button:focus-visible,#content .remboo-zabor summary:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
#content .remboo-zabor input:disabled,#content .remboo-zabor select:disabled{background:var(--panel);color:#767671}
#content .remboo-zabor input[aria-invalid="true"]{border-color:var(--danger)}
#content .remboo-zabor small,#content .remboo-zabor .hint{display:block;margin-top:5px;color:var(--muted);font-size:.84rem;font-weight:400;line-height:1.45}
#content .remboo-zabor form>.hint{margin:-6px 0 14px}
#content .remboo-zabor .optional{margin-left:6px;color:var(--muted);font-size:.78rem;font-weight:500}
#content .remboo-zabor .field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
/* Чекбокс «замкнут по периметру»: цель тапа не меньше 44 px */
#content .remboo-zabor .check{display:flex;flex-wrap:wrap;align-items:center;gap:10px;min-height:44px;margin:4px 0 14px;font-weight:600;cursor:pointer}
#content .remboo-zabor .check input{flex:0 0 auto;width:24px;height:24px;min-height:0;margin:0;accent-color:var(--ink);appearance:auto}
#content .remboo-zabor .check .check-text{flex:1;min-width:0}
#content .remboo-zabor .check .optional{display:block;width:100%;margin:2px 0 0}
#content .remboo-zabor details{border-top:1px solid var(--rule)}
#content .remboo-zabor details summary{cursor:pointer;list-style:none}
#content .remboo-zabor details summary::-webkit-details-marker{display:none}
/* Свёртки «Бетонирование столбов», «Цены»: подзаголовок отдельной строкой, маркер справа */
#content .remboo-zabor .cost-fields{margin-top:18px;padding-top:15px}
#content .remboo-zabor .cost-fields>summary{position:relative;padding-right:32px;font-weight:800}
#content .remboo-zabor .cost-fields>summary::after{content:"+";position:absolute;right:6px;top:-4px;color:var(--ink);font-size:1.45rem;font-weight:400}
#content .remboo-zabor .cost-fields[open]>summary::after{content:"−"}
#content .remboo-zabor .cost-fields>summary span{display:block;margin:2px 0 0;color:var(--muted);font-size:.8rem;font-weight:500}
#content .remboo-zabor .cost-fields .hint{margin:12px 0}

/* Результат: белая карточка, чернильная рамка */
#content .remboo-zabor aside{position:sticky;top:18px;min-width:0}
#content .remboo-zabor .result-card{border:1.5px solid var(--ink);background:var(--paper);color:var(--ink);padding:22px 24px}
#content .remboo-zabor .result-card>.eyebrow{padding:0}
#content .remboo-zabor #calc-error{margin:0 0 16px;padding:10px 0 10px 14px;border-left:4px solid var(--warn);color:var(--danger);font-weight:700}
#content .remboo-zabor #calc-output{padding:0}
#content .remboo-zabor .primary-result{display:flex;flex-direction:column;padding:2px 0 18px}
#content .remboo-zabor .primary-result strong{font-size:clamp(2.25rem,6vw,4rem);line-height:1.05;letter-spacing:-.045em}
#content .remboo-zabor .primary-result span{margin-top:4px;color:var(--muted);font-size:.86rem}
#content .remboo-zabor .top-metrics{display:grid;grid-template-columns:repeat(3,1fr);border-top:1.5px solid var(--ink);border-bottom:1px solid var(--rule)}
#content .remboo-zabor .top-metrics>div{padding:12px 12px 12px 0;border-right:1px solid var(--rule)}
#content .remboo-zabor .top-metrics>div:last-child{border-right:0}
#content .remboo-zabor .top-metrics>div+div{padding-left:12px}
#content .remboo-zabor .top-metrics span,#content .remboo-zabor .top-metrics strong{display:block}
#content .remboo-zabor .top-metrics span{min-height:2.5em;color:var(--muted);font-size:.76rem;line-height:1.25}
#content .remboo-zabor .top-metrics strong{margin-top:4px;font-size:1rem;white-space:nowrap}
#content .remboo-zabor .direct-answer{margin:18px 0;padding:0;font-weight:500;line-height:1.5}
#content .remboo-zabor .details-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
#content .remboo-zabor .details-grid>div{min-width:0;padding:12px 0;border-top:1px solid var(--rule)}
#content .remboo-zabor .details-grid span,#content .remboo-zabor .details-grid strong,#content .remboo-zabor .details-grid em{display:block;margin:0}
#content .remboo-zabor .details-grid span{color:var(--muted);font-size:.76rem}
#content .remboo-zabor .details-grid strong{margin-top:2px;font-size:1.12rem}
#content .remboo-zabor .details-grid em{color:var(--muted);font-size:.78rem;font-style:normal;line-height:1.35}
#content .remboo-zabor .warnings{margin-top:16px;padding:4px 0 4px 14px;border-left:4px solid var(--warn);color:var(--ink);font-size:.8rem}
#content .remboo-zabor .warnings p{margin:0 0 8px}#content .remboo-zabor .warnings p:last-child{margin-bottom:0}
#content .remboo-zabor .actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:16px 0 0}
#content .remboo-zabor .actions button{min-height:46px;padding:10px 14px;border:1.5px solid var(--ink);border-radius:0;background:#fff;color:var(--ink);font-weight:700;cursor:pointer}
#content .remboo-zabor .actions button:hover{background:var(--accent-soft)}
#content .remboo-zabor .actions button:disabled{opacity:.45;cursor:not-allowed}
#content .remboo-zabor #share-status{min-height:0;margin:0;padding:6px 0 0;color:var(--muted);font-size:.8rem}
#content .remboo-zabor #share-link{width:100%;margin:8px 0 0}
#content .remboo-zabor .article-link{display:flex;justify-content:space-between;margin-top:10px;padding:14px 16px;border:1px solid var(--rule);color:var(--ink)!important;font-weight:700;text-decoration:none!important}
#content .remboo-zabor .article-link:hover{border-color:var(--ink)}
#content .remboo-zabor aside .article-link+.article-link{margin-top:8px}
#content .remboo-zabor .noscript{margin:18px 0;padding:14px;border-left:4px solid var(--warn)}

/* Пояснения и формулы — на белом, без заливки */
#content .remboo-zabor section{margin-top:clamp(42px,7vw,82px)}
#content .remboo-zabor .explanation{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:28px;align-items:start;padding:clamp(24px,4vw,42px) 0 0;border-top:1.5px solid var(--ink)}
#content .remboo-zabor .howto-steps{margin:0 0 18px;padding-left:22px}
#content .remboo-zabor .howto-steps li{margin:0 0 10px;padding-left:4px}
#content .remboo-zabor #formula-title{margin:22px 0 10px;font-size:1.08rem}
#content .remboo-zabor .formula-card{display:grid;grid-template-columns:minmax(0,1fr);gap:0;border:1.5px solid var(--ink);background:#fff}
#content .remboo-zabor .formula-card span,#content .remboo-zabor .formula-card small{display:flex;align-items:center;min-width:0;margin:0;padding:16px;border-bottom:1px solid var(--rule);white-space:normal;overflow-wrap:anywhere}
#content .remboo-zabor .formula-card span{font:800 .88rem/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;padding-bottom:4px;border-bottom:0}
#content .remboo-zabor .formula-card small{color:var(--muted);font-size:.78rem;padding-top:0}
#content .remboo-zabor .formula-card small:last-child{border-bottom:0}
#content .remboo-zabor .legend{margin-top:14px;border-top:0}
#content .remboo-zabor .legend>summary{padding:10px 0;color:var(--ink);font-size:.9rem;font-weight:700}
#content .remboo-zabor .legend>summary::before{content:"+ ";font-weight:400}
#content .remboo-zabor .legend[open]>summary::before{content:"− "}
#content .remboo-zabor .legend dl{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:0;font-size:.86rem;line-height:1.4}
#content .remboo-zabor .legend dt{font:800 .9rem/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:nowrap}
#content .remboo-zabor .legend dd{margin:0;color:var(--muted)}

/* Справочник */
#content .remboo-zabor .reference>p:not(.eyebrow),#content .remboo-zabor .sources>p{max-width:860px}
#content .remboo-zabor .table-scroll{overflow-x:auto;margin:18px 0;border:1px solid var(--rule)}
#content .remboo-zabor .reference>.table-scroll{margin:14px 0 22px}
#content .remboo-zabor table{width:100%;min-width:660px;border-collapse:collapse;background:#fff;font-size:.92rem}
#content .remboo-zabor caption{padding:14px;text-align:left;color:var(--muted);font-size:.82rem;font-weight:700}
#content .remboo-zabor th,#content .remboo-zabor td{padding:12px 14px;border-top:1px solid var(--rule);text-align:left;white-space:nowrap}
#content .remboo-zabor thead th{background:var(--panel);color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
#content .remboo-zabor tbody th{font-weight:800}
#content .remboo-zabor tbody tr:hover{background:var(--panel)}
#content .remboo-zabor .table-search{display:block;max-width:520px;margin:18px 0 6px;font-weight:700}
#content .remboo-zabor .table-search input{margin-top:6px}
#content .remboo-zabor #reference-status{margin:0 0 12px}
#content .remboo-zabor .norm-table{margin:0;border-top:1px solid var(--rule)}
#content .remboo-zabor .norm-table>summary{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:baseline;padding:16px 36px 16px 0;position:relative;font-weight:760}
#content .remboo-zabor .norm-table>summary span{color:var(--muted);font-size:.84rem;font-weight:500}
#content .remboo-zabor .norm-table>summary::after{content:"+";position:absolute;right:8px;top:11px;color:var(--ink);font-size:1.45rem;font-weight:400}
#content .remboo-zabor .norm-table[open]>summary::after{content:"−"}
#content .remboo-zabor .norm-table .hint{margin:0 0 6px}
#content .remboo-zabor .norm-table .table-scroll{margin:10px 0 18px}
#content .remboo-zabor .norm-table table{min-width:0}
#content .remboo-zabor tbody tr.hit{background:var(--accent-soft)}
#content .remboo-zabor .norm-table.no-hits>summary{color:var(--muted)}

#content .remboo-zabor .faq{max-width:900px}
#content .remboo-zabor .faq details{padding:0}
#content .remboo-zabor .faq summary{position:relative;padding:17px 42px 17px 0;font-weight:760}
#content .remboo-zabor .faq summary::after{content:"+";position:absolute;right:8px;top:13px;color:var(--ink);font-size:1.45rem;font-weight:400}
#content .remboo-zabor .faq details[open] summary::after{content:"−"}
#content .remboo-zabor .faq details p{max-width:780px;margin:-3px 0 18px;color:var(--muted)}
#content .remboo-zabor .sources{padding-top:28px;border-top:1.5px solid var(--ink)}
#content .remboo-zabor .sources ul{padding-left:21px}
#content .remboo-zabor .sources li{margin:7px 0}
#content .remboo-zabor .sources a{color:var(--ink);text-underline-offset:2px;overflow-wrap:anywhere;word-break:break-word}
#content .remboo-zabor .assumptions{max-width:860px;margin:0 0 18px;padding-left:21px}
#content .remboo-zabor .assumptions li{margin:0 0 8px}
#content .remboo-zabor .hint a,#content .remboo-zabor .assumptions a{color:var(--ink)}

@media (max-width:900px){
  #content .remboo-zabor .workspace{grid-template-columns:1fr}
  #content .remboo-zabor aside{position:static}
  #content .remboo-zabor .explanation{grid-template-columns:1fr}
}
@media (max-width:560px){
  #content .remboo-zabor .calc-shell{padding:15px}
  #content .remboo-zabor .field-grid{grid-template-columns:1fr;gap:0}
  #content .remboo-zabor .top-metrics{grid-template-columns:1fr}
  #content .remboo-zabor .top-metrics>div{padding:10px 0;border-right:0;border-bottom:1px solid var(--rule)}
  #content .remboo-zabor .top-metrics>div:last-child{border-bottom:0}
  #content .remboo-zabor .top-metrics>div+div{padding-left:0}
  #content .remboo-zabor .top-metrics span{min-height:0}
  #content .remboo-zabor .details-grid{grid-template-columns:1fr}
  #content .remboo-zabor .actions{grid-template-columns:1fr}
  #content .remboo-zabor .result-card{padding:18px 16px}
}

/* Волна Г, такт 3: режим «Нарисовать участок». План (rb-plan.mjs) лежит в карточке результата
   после цифр — при ошибке контура он остаётся на экране (.is-plan-error), чтобы его поправить. Поверх плана
   страница рисует столбы (zb-post) и столбы у проёмов (zb-gatepost), номера сторон — как в таблице.
   План лежит в #calc-output после подробностей, перед таблицей сторон. */
#content .remboo-zabor #calc-output > .rb-plan{margin:0 0 18px}
/* Ошибка контура: цифры прячутся, редактор остаётся, чтобы контур поправить */
#content .remboo-zabor .result-card.is-plan-error #calc-output > :not(#plan){display:none}
svg.rb-scheme .zb-post{fill:#111;stroke:none}
svg.rb-scheme .zb-gatepost{fill:#111;stroke:#fff;stroke-width:1px;vector-effect:non-scaling-stroke}
svg.rb-scheme text.zb-sidenum{fill:#767671;font-weight:800}
#content .remboo-zabor .sides-block{margin:0 0 18px;overflow-x:auto}
#content .remboo-zabor .sides-table{width:100%;min-width:0;margin:0;border-collapse:collapse;font-size:.88rem;font-variant-numeric:tabular-nums}
#content .remboo-zabor .sides-table caption{padding:0 0 6px;color:var(--muted);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;text-align:left}
#content .remboo-zabor .sides-table th,#content .remboo-zabor .sides-table td{padding:6px 8px 6px 0;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top;font-weight:500}
#content .remboo-zabor .sides-table thead th{color:var(--muted);font-size:.78rem;font-weight:700}
#content .remboo-zabor .sides-table tbody th{font-weight:800}
#content .remboo-zabor .sides-table td:last-child,#content .remboo-zabor .sides-table th:last-child{text-align:right;padding-right:0}
#content .remboo-zabor .sides-block .hint{margin-top:8px}
/* Печатный лист (rb-print.mjs) клонирует карточку целиком: панель редактора и поле ввода на бумаге не нужны */
@media (max-width:560px){
  #content .remboo-zabor .sides-table{table-layout:fixed;font-size:.8rem}
  #content .remboo-zabor .sides-table th,#content .remboo-zabor .sides-table td{padding:5px 4px 5px 0;overflow-wrap:anywhere}
  #content .remboo-zabor .sides-table col:nth-child(1){width:15%}#content .remboo-zabor .sides-table col:nth-child(2){width:15%}#content .remboo-zabor .sides-table col:nth-child(3){width:24%}#content .remboo-zabor .sides-table col:nth-child(4){width:32%}#content .remboo-zabor .sides-table col:nth-child(5){width:14%}
}
#rb-print .rb-plan__bar,#rb-print .rb-plan__input,#rb-print .zb-howto{display:none!important}