/* Калькулятор сечения кабеля — 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 (пресеты cos φ, таблица соседних сечений, кнопка «Подставить»). */
#content .remboo-kabel{
  --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-kabel *{box-sizing:border-box}
#content .remboo-kabel [hidden]{display:none!important}
#content .remboo-kabel .calc-shell{max-width:1180px;margin:0 auto;padding:clamp(18px,3vw,42px);background:var(--paper)}
#content .remboo-kabel .calc-intro{max-width:760px;margin:0 0 28px}
#content .remboo-kabel .eyebrow{margin:0 0 6px;color:var(--ink);font-size:.78rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase}
#content .remboo-kabel .calculator-title,#content .remboo-kabel h2,#content .remboo-kabel h3{color:var(--ink);font-weight:760;letter-spacing:-.025em}
#content .remboo-kabel .calculator-title{margin:0 0 8px;font-size:clamp(2rem,5vw,3.6rem);line-height:1.04}
#content .remboo-kabel h2{margin:0 0 16px;font-size:clamp(1.55rem,3vw,2.25rem);line-height:1.15}
#content .remboo-kabel h3{margin:0;font-size:1.08rem;line-height:1.25}
#content .remboo-kabel p{margin:0 0 14px}
#content .remboo-kabel .calc-intro>p:last-child{color:var(--muted);font-size:1.08rem}
#content .remboo-kabel .workspace{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:24px;align-items:start}
#content .remboo-kabel form{min-width:0;padding:0;border:0;background:transparent}
#content .remboo-kabel .section-title{display:flex;align-items:center;gap:12px;margin:4px 0 16px;padding-top:20px;border-top:1px solid var(--rule)}
#content .remboo-kabel .section-title:first-child{padding-top:0;border-top:0}
#content .remboo-kabel .section-title>span{display:none}
#content .remboo-kabel label{display:block;margin:0 0 15px;color:var(--ink);font-size:.93rem;font-weight:500}
#content .remboo-kabel input,#content .remboo-kabel select,#content .remboo-kabel button{font:inherit}
#content .remboo-kabel input,#content .remboo-kabel 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-kabel input:focus,#content .remboo-kabel select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
#content .remboo-kabel button:focus-visible,#content .remboo-kabel summary:focus-visible,#content .remboo-kabel .table-scroll:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
#content .remboo-kabel input:disabled,#content .remboo-kabel select:disabled{background:var(--panel);color:#767671}
#content .remboo-kabel input[aria-invalid="true"]{border-color:var(--danger)}
#content .remboo-kabel small,#content .remboo-kabel .hint{display:block;margin-top:5px;color:var(--muted);font-size:.84rem;font-weight:400;line-height:1.45}
#content .remboo-kabel p.hint{margin:-6px 0 14px}
#content .remboo-kabel .field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
#content .remboo-kabel details{border-top:1px solid var(--rule)}
#content .remboo-kabel details summary{cursor:pointer;list-style:none}
#content .remboo-kabel details summary::-webkit-details-marker{display:none}
/* Пресеты cos φ — чипы с чернильной рамкой */
#content .remboo-kabel .cos-presets{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
#content .remboo-kabel .cos-presets button{min-height:32px;padding:4px 10px;border:1.5px solid #D6D6D2;border-radius:0;background:#fff;color:var(--ink);font-size:.8rem;font-weight:600;cursor:pointer}
#content .remboo-kabel .cos-presets button:hover{border-color:var(--ink)}

/* Результат: белая карточка, чернильная рамка */
#content .remboo-kabel aside{position:sticky;top:18px;min-width:0}
#content .remboo-kabel .result-card{border:1.5px solid var(--ink);background:var(--paper);color:var(--ink);padding:22px 24px}
#content .remboo-kabel .result-card>.eyebrow{padding:0}
#content .remboo-kabel #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-kabel .error-fix{display:inline-block;min-height:36px;margin-top:8px;padding:6px 12px;border:1.5px solid var(--ink);border-radius:0;background:var(--accent);color:var(--ink);font-size:.9rem;font-weight:700;cursor:pointer}
#content .remboo-kabel .error-fix:hover{background:var(--ink);color:#fff}
#content .remboo-kabel #calc-output{padding:0}
#content .remboo-kabel .primary-result{display:flex;flex-direction:column;padding:2px 0 18px}
#content .remboo-kabel .primary-result strong{font-size:clamp(2.25rem,6vw,4rem);line-height:1.05;letter-spacing:-.045em}
#content .remboo-kabel .primary-result span{margin-top:4px;color:var(--muted);font-size:.86rem}
#content .remboo-kabel .primary-result em{display:block;margin-top:6px;color:var(--danger);font-size:.84rem;font-style:normal;font-weight:700;line-height:1.35}
#content .remboo-kabel .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-kabel .top-metrics>div{padding:12px 12px 12px 0;border-right:1px solid var(--rule)}
#content .remboo-kabel .top-metrics>div:last-child{border-right:0}
#content .remboo-kabel .top-metrics>div+div{padding-left:12px}
#content .remboo-kabel .top-metrics span,#content .remboo-kabel .top-metrics strong{display:block}
#content .remboo-kabel .top-metrics span{min-height:2.5em;color:var(--muted);font-size:.76rem;line-height:1.25}
#content .remboo-kabel .top-metrics strong{margin-top:4px;font-size:1rem;white-space:nowrap}
#content .remboo-kabel .direct-answer{margin:18px 0;padding:0;font-weight:500;line-height:1.5}
#content .remboo-kabel .details-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
#content .remboo-kabel .details-grid>div{min-width:0;padding:12px 0;border-top:1px solid var(--rule)}
#content .remboo-kabel .details-grid span,#content .remboo-kabel .details-grid strong,#content .remboo-kabel .details-grid em{display:block;margin:0}
#content .remboo-kabel .details-grid span{color:var(--muted);font-size:.76rem}
#content .remboo-kabel .details-grid strong{margin-top:2px;font-size:1.12rem}
#content .remboo-kabel .details-grid em{color:var(--muted);font-size:.78rem;font-style:normal;line-height:1.35}
/* Таблица соседних сечений: индекс «доп» без капслока, числа не ломаются, вердикт короткий */
#content .remboo-kabel .variants{margin-top:16px;padding-top:14px;border-top:1px solid var(--rule);overflow-x:auto}
#content .remboo-kabel .variants table{min-width:0;background:transparent;font-size:.8rem}
#content .remboo-kabel .variants caption{padding:0 0 8px;color:var(--muted)}
#content .remboo-kabel .variants th,#content .remboo-kabel .variants td{padding:6px 8px;border-top:1px solid var(--rule);white-space:nowrap}
#content .remboo-kabel .variants td:last-child{white-space:normal}
#content .remboo-kabel .variants thead th{background:transparent;color:var(--muted);text-transform:none;letter-spacing:0}
#content .remboo-kabel .variants thead th sub{font-size:.7em;line-height:0}
#content .remboo-kabel .variants tr.chosen{background:var(--accent-soft)}
#content .remboo-kabel .warnings{margin-top:16px;padding:4px 0 4px 14px;border-left:4px solid var(--warn);color:var(--ink);font-size:.8rem}
#content .remboo-kabel .warnings p{margin:0 0 8px}#content .remboo-kabel .warnings p:last-child{margin-bottom:0}
#content .remboo-kabel .warnings details{border:0;margin-top:6px}
#content .remboo-kabel .warnings summary{padding:4px 0;color:var(--ink);font-weight:700;min-height:0}
#content .remboo-kabel .warnings details p{margin-top:8px}
#content .remboo-kabel .actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:16px 0 0}
#content .remboo-kabel .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-kabel .actions button:hover{background:var(--accent-soft)}
#content .remboo-kabel .actions button:disabled{opacity:.45;cursor:not-allowed}
#content .remboo-kabel #share-status{min-height:0;margin:0;padding:6px 0 0;color:var(--muted);font-size:.8rem}
#content .remboo-kabel #share-link{width:100%;margin:8px 0 0}
#content .remboo-kabel .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-kabel .article-link:hover{border-color:var(--ink)}
#content .remboo-kabel .noscript{margin:18px 0;padding:14px;border-left:4px solid var(--warn)}

/* Пояснения и формулы — на белом, без заливки */
#content .remboo-kabel section{margin-top:clamp(42px,7vw,82px)}
#content .remboo-kabel .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-kabel .howto-steps{margin:0 0 18px;padding-left:22px}
#content .remboo-kabel .howto-steps li{margin:0 0 10px;padding-left:4px}
#content .remboo-kabel #formula-title{margin:22px 0 10px;font-size:1.08rem}
#content .remboo-kabel .formula-card{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:0;overflow:visible;border:1.5px solid var(--ink);background:#fff}
#content .remboo-kabel .formula-card span,#content .remboo-kabel .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-kabel .formula-card span{font:800 .88rem/1.2 ui-monospace,SFMono-Regular,Menlo,monospace}
#content .remboo-kabel .formula-card small{color:var(--muted);font-size:.78rem}
#content .remboo-kabel .formula-card span:nth-last-of-type(1),#content .remboo-kabel .formula-card small:last-child{border-bottom:0}
#content .remboo-kabel .legend{margin:14px 0 0;padding:0 0 4px;border-top:1px solid var(--rule)}
#content .remboo-kabel .legend>summary{padding:12px 0;font-weight:760;color:var(--ink)}
#content .remboo-kabel .legend dl{margin:0 0 8px;display:grid;gap:6px}
#content .remboo-kabel .legend dl>div{display:grid;grid-template-columns:minmax(52px,auto) 1fr;gap:10px;align-items:baseline}
#content .remboo-kabel .legend dt{font:800 .95rem/1.3 ui-monospace,SFMono-Regular,Menlo,monospace}
#content .remboo-kabel .legend dd{margin:0;color:var(--muted);font-size:.9rem;line-height:1.4}

/* Справочник: таблицы ПУЭ */
#content .remboo-kabel .reference>p:not(.eyebrow),#content .remboo-kabel .sources>p{max-width:860px}
#content .remboo-kabel .table-scroll{overflow-x:auto;margin:18px 0;border:1px solid var(--rule)}
#content .remboo-kabel table{width:100%;min-width:660px;border-collapse:collapse;background:#fff;font-size:.92rem}
#content .remboo-kabel caption{padding:14px;text-align:left;color:var(--muted);font-size:.82rem;font-weight:700}
#content .remboo-kabel th,#content .remboo-kabel td{padding:12px 14px;border-top:1px solid var(--rule);text-align:left;white-space:nowrap}
#content .remboo-kabel thead th{background:var(--panel);color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
#content .remboo-kabel tbody th{font-weight:800}
#content .remboo-kabel tbody tr:hover{background:var(--panel)}
/* таблицы «сечение по мощности»: 5 коротких колонок умещаются в телефон без прокрутки */
#content .remboo-kabel .reference>.table-scroll{margin:14px 0 22px}
#content .remboo-kabel .reference>.table-scroll table{min-width:0}
@media (max-width:600px){
  #content .remboo-kabel .reference>.table-scroll table{font-size:.84rem}
  #content .remboo-kabel .reference>.table-scroll th,#content .remboo-kabel .reference>.table-scroll td{padding:8px 5px;white-space:normal}
  #content .remboo-kabel .reference>.table-scroll thead th{letter-spacing:0}
}
#content .remboo-kabel .table-search{display:block;max-width:520px;margin:18px 0 6px;font-weight:700}
#content .remboo-kabel .table-search input{margin-top:6px}
#content .remboo-kabel #reference-status{margin:0 0 12px}
#content .remboo-kabel .norm-table{margin:0;border-top:1px solid var(--rule)}
#content .remboo-kabel .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-kabel .norm-table>summary span{color:var(--muted);font-size:.84rem;font-weight:500}
#content .remboo-kabel .norm-table>summary::after{content:"+";position:absolute;right:8px;top:11px;color:var(--ink);font-size:1.45rem;font-weight:400}
#content .remboo-kabel .norm-table[open]>summary::after{content:"−"}
#content .remboo-kabel .norm-table .hint{margin:0 0 6px}
#content .remboo-kabel .norm-table .table-scroll{margin:10px 0 18px}
#content .remboo-kabel .norm-table table{min-width:0}
#content .remboo-kabel tbody tr.hit{background:var(--accent-soft)}
#content .remboo-kabel .norm-table.no-hits>summary{color:var(--muted)}

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

@media (max-width:900px){
  #content .remboo-kabel .workspace{grid-template-columns:1fr}
  #content .remboo-kabel aside{position:static}
  #content .remboo-kabel .explanation{grid-template-columns:1fr}
}
@media (max-width:600px){
  #content .remboo-kabel .formula-card{grid-template-columns:1fr}
  #content .remboo-kabel .formula-card span{padding-bottom:4px;border-bottom:0}
  #content .remboo-kabel .formula-card small{padding-top:0}
}
@media (max-width:560px){
  #content .remboo-kabel .calc-shell{padding:15px}
  #content .remboo-kabel .field-grid{grid-template-columns:1fr;gap:0}
  #content .remboo-kabel .top-metrics{grid-template-columns:1fr}
  #content .remboo-kabel .top-metrics>div{padding:10px 0;border-right:0;border-bottom:1px solid var(--rule)}
  #content .remboo-kabel .top-metrics>div:last-child{border-bottom:0}
  #content .remboo-kabel .top-metrics>div+div{padding-left:0}
  #content .remboo-kabel .top-metrics span{min-height:0}
  #content .remboo-kabel .details-grid{grid-template-columns:1fr}
  #content .remboo-kabel .actions{grid-template-columns:1fr}
  #content .remboo-kabel .result-card{padding:18px 16px}
}
/* таблица соседних сечений на 320: числа не ломаются, переносится только вердикт */
@media (max-width:400px){
  #content .remboo-kabel .variants table{font-size:.74rem}
  #content .remboo-kabel .variants th,#content .remboo-kabel .variants td{padding:6px 4px}
  #content .remboo-kabel .variants td:last-child{overflow-wrap:anywhere}
}
/* Печатный лист (общий rb-print.mjs клонирует карточку результата; таблица соседних сечений — этой страницы) */
@media print{
  #rb-print .variants{margin:2mm 0;break-inside:avoid}
  #rb-print .variants caption{caption-side:top;text-align:left;padding:0 0 1mm;font-size:8.5pt;color:#5A5A56}
  #rb-print .variants thead th{font-size:8pt;color:#5A5A56;font-weight:400}
  #rb-print .variants tr.chosen th,#rb-print .variants tr.chosen td{font-weight:700;background:#F5F5F3;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  #rb-print .warnings details summary{list-style:none;font-weight:600;font-size:9pt;margin:1mm 0 .5mm}
  #rb-print .warnings details summary::-webkit-details-marker{display:none}
}