/* Калькулятор объёма цилиндра — раскладка и собственные блоки. Мир темы
   «Чертёж» (theme-repo/DESIGN.md): белый лист, чернила #111, серые линейки,
   жёлтый только как маркер и след выбора. Карточку результата, поля, кнопки,
   формулы и таблицы красит общий слой _shared/rb-calc.css — здесь только
   сетки, подписи таблиц и раскладка карточек площадей. */
#content .remboo-cilindr{
  --ink:#111;--muted:#5A5A56;--line:#E8E8E5;--line-strong:#D6D6D2;--paper:#fff;
  --mark:#FFD500;--trace:#FFF3B0;--danger:#B23A0C;
  clear:both;width:100%;color:var(--ink);font:400 16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif;
}
#content .remboo-cilindr *{box-sizing:border-box}
#content .remboo-cilindr [hidden]{display:none!important}
#content .remboo-cilindr .calc-shell{max-width:1180px;margin:0 auto;padding:clamp(18px,3vw,42px);background:var(--paper)}
#content .remboo-cilindr .calc-intro{max-width:760px;margin:0 0 28px}
#content .remboo-cilindr .eyebrow{margin:0 0 6px;color:var(--ink);font-size:.78rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase}
#content .remboo-cilindr .calculator-title,#content .remboo-cilindr h2,#content .remboo-cilindr h3{color:var(--ink);font-weight:760;letter-spacing:-.025em}
#content .remboo-cilindr .calculator-title{margin:0 0 8px;font-size:clamp(2rem,5vw,3.6rem);line-height:1.04}
#content .remboo-cilindr h2{margin:0 0 16px;font-size:clamp(1.55rem,3vw,2.25rem);line-height:1.15}
#content .remboo-cilindr h3{margin:0;font-size:1.08rem;line-height:1.25}
#content .remboo-cilindr p{margin:0 0 14px}
#content .remboo-cilindr .calc-intro>p:last-child{color:var(--muted);font-size:1.08rem}
#content .remboo-cilindr .workspace{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:24px;align-items:start}
#content .remboo-cilindr form{min-width:0;padding:0;border:0;background:var(--paper)}
#content .remboo-cilindr .section-title{display:flex;align-items:center;gap:12px;margin:4px 0 16px;padding-top:20px;border-top:1px solid var(--line)}
#content .remboo-cilindr .section-title:first-child{padding-top:0;border-top:0}
#content .remboo-cilindr .section-title>span{display:none}
#content .remboo-cilindr label{display:block;margin:0 0 15px;color:var(--ink);font-size:.93rem;font-weight:500}
#content .remboo-cilindr input,#content .remboo-cilindr select,#content .remboo-cilindr button{font:inherit}
#content .remboo-cilindr input,#content .remboo-cilindr select{width:100%;min-height:48px;margin-top:6px;padding:10px 12px;border:1px solid #BDBDB8;border-radius:0;background:#fff;color:var(--ink);font-size:1rem;box-shadow:none}
#content .remboo-cilindr input:focus,#content .remboo-cilindr select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
#content .remboo-cilindr button:focus-visible,#content .remboo-cilindr summary:focus-visible,#content .remboo-cilindr .table-scroll:focus-visible{outline:2px solid var(--ink);outline-offset:2px;box-shadow:0 0 0 5px var(--mark)}
#content .remboo-cilindr input:disabled,#content .remboo-cilindr select:disabled{background:#F5F5F3;color:#767671}
#content .remboo-cilindr input[aria-invalid="true"]{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,90,31,.25)}
#content .remboo-cilindr small,#content .remboo-cilindr .hint{display:block;margin-top:5px;color:var(--muted);font-size:.84rem;font-weight:400;line-height:1.45}
#content .remboo-cilindr .field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
#content .remboo-cilindr .optional{margin-left:6px;color:var(--muted);font-size:.78rem;font-weight:500}
#content .remboo-cilindr details{border-top:1px solid var(--line)}
#content .remboo-cilindr details summary{cursor:pointer;list-style:none}
#content .remboo-cilindr details summary::-webkit-details-marker{display:none}
#content .remboo-cilindr aside{position:sticky;top:18px;min-width:0}
#content .remboo-cilindr .result-card{border:1.5px solid var(--ink);background:var(--paper);color:var(--ink)}
#content .remboo-cilindr .result-card>.eyebrow{padding:0}
#content .remboo-cilindr #calc-error{margin:0 0 20px;padding:0 0 0 14px;border-left:4px solid var(--danger);color:var(--danger);font-weight:700}
#content .remboo-cilindr #calc-output{padding:0} /* поля карточки даёт общий слой (.result-card 22/24 px, на телефоне 18/16): свои не дублировать */
#content .remboo-cilindr .primary-result{display:flex;flex-direction:column;padding:2px 0 18px}
#content .remboo-cilindr .primary-result strong{font-size:clamp(2.25rem,6vw,4rem);line-height:1.05;letter-spacing:-.045em}
#content .remboo-cilindr .primary-result span{margin-top:4px;color:var(--muted);font-size:.86rem}
#content .remboo-cilindr .top-metrics{display:grid;grid-template-columns:repeat(3,1fr);border-top:1.5px solid var(--ink);border-bottom:1px solid var(--line)}
#content .remboo-cilindr .top-metrics>div{padding:11px 12px 11px 0}
#content .remboo-cilindr .top-metrics span,#content .remboo-cilindr .top-metrics strong{display:block}
#content .remboo-cilindr .top-metrics span{min-height:2.5em;color:var(--muted);font-size:.76rem;line-height:1.25}
#content .remboo-cilindr .top-metrics strong{margin-top:4px;font-size:1rem}
#content .remboo-cilindr .direct-answer{margin:18px 0;font-weight:500}
#content .remboo-cilindr .warnings{margin-top:14px;padding:4px 0 4px 14px;border-left:4px solid #FF5A1F;font-size:.85rem}
#content .remboo-cilindr .warnings p{margin:0 0 8px}#content .remboo-cilindr .warnings p:last-child{margin-bottom:0}
#content .remboo-cilindr .actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px;padding:16px 0 0}
#content .remboo-cilindr 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-cilindr button:hover{background:var(--trace)}
#content .remboo-cilindr button:disabled{opacity:.45;cursor:not-allowed}
#content .remboo-cilindr #share-status{min-height:0;margin:8px 0 0;padding:0;color:var(--muted);font-size:.8rem}
#content .remboo-cilindr #share-link{width:100%;margin:8px 0 0}
#content .remboo-cilindr .article-link{display:flex;justify-content:space-between;margin-top:10px;padding:14px 16px;border:1px solid var(--line);color:var(--ink)!important;font-weight:700;text-decoration:none!important}
#content .remboo-cilindr .article-link:hover{border-color:var(--ink)}
#content .remboo-cilindr .noscript{margin:18px 0;padding:14px;border-left:4px solid var(--danger)}
#content .remboo-cilindr section{margin-top:clamp(42px,7vw,82px)}
#content .remboo-cilindr .explanation{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:28px;align-items:start}
#content .remboo-cilindr .explanation h3{margin:18px 0 10px}
#content .remboo-cilindr .howto-steps{margin:0 0 18px;padding-left:22px}
#content .remboo-cilindr .howto-steps li{margin:0 0 10px;padding-left:4px}
#content .remboo-cilindr .formula-column{min-width:0}
#content .remboo-cilindr .formula-card{display:grid;grid-template-columns:1fr auto;gap:0;border-top:1.5px solid var(--ink)}
#content .remboo-cilindr .formula-card span,#content .remboo-cilindr .formula-card small{display:flex;align-items:center;margin:0;padding:16px;border-bottom:1px solid var(--line)}
#content .remboo-cilindr .formula-card span{font:700 .88rem/1.35 ui-monospace,SFMono-Regular,Menlo,monospace}
#content .remboo-cilindr .formula-card small{color:var(--muted);font-size:.78rem}
#content .remboo-cilindr .formula-card span:nth-last-of-type(1),#content .remboo-cilindr .formula-card small:last-child{border-bottom:0}
#content .remboo-cilindr .legend{margin:14px 0 0;padding:0 0 4px;border-top:1px solid var(--line)}
#content .remboo-cilindr .legend>summary{padding:12px 0;font-weight:700;color:var(--ink);cursor:pointer}
#content .remboo-cilindr .legend dl{margin:0 0 8px;display:grid;gap:6px}
#content .remboo-cilindr .legend dl>div{display:grid;grid-template-columns:minmax(52px,auto) 1fr;gap:10px;align-items:baseline}
#content .remboo-cilindr .legend dt{font:700 .95rem/1.3 ui-monospace,SFMono-Regular,Menlo,monospace}
#content .remboo-cilindr .legend dd{margin:0;color:var(--muted);font-size:.9rem;line-height:1.4;overflow-wrap:anywhere}
#content .remboo-cilindr .reference>p:not(.eyebrow),#content .remboo-cilindr .sources>p{max-width:860px}
#content .remboo-cilindr .table-title{margin:22px 0 4px;font-size:1rem;color:var(--muted)}
#content .remboo-cilindr .table-title+.table-scroll,#content .remboo-cilindr .table-title+.rb-scroll-hint+.table-scroll{margin-top:6px}
#content .remboo-cilindr .table-scroll{overflow-x:auto;margin:18px 0;border:1px solid var(--line)}
#content .remboo-cilindr .reference>.table-scroll{margin:14px 0 22px}
#content .remboo-cilindr table{width:100%;min-width:560px;border-collapse:collapse;background:#fff;font-size:.92rem}
#content .remboo-cilindr caption{padding:14px;text-align:left;color:var(--muted);font-size:.82rem;font-weight:700}
#content .remboo-cilindr th,#content .remboo-cilindr td{padding:12px 14px;border-top:1px solid var(--line);text-align:left;white-space:nowrap}
#content .remboo-cilindr thead th{background:#fff;color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
#content .remboo-cilindr thead th.corner{white-space:normal;line-height:1.3}
#content .remboo-cilindr tbody th{font-weight:700}
#content .remboo-cilindr tbody tr:hover{background:var(--trace)}
#content .remboo-cilindr .faq{max-width:900px}
#content .remboo-cilindr .faq details{padding:0}
#content .remboo-cilindr .faq summary{position:relative;padding:17px 42px 17px 0;font-weight:700}
#content .remboo-cilindr .faq summary::after{content:"+";position:absolute;right:8px;top:13px;color:var(--ink);font-size:1.45rem;font-weight:400}
#content .remboo-cilindr .faq details[open] summary::after{content:"−"}
#content .remboo-cilindr .faq details p{max-width:780px;margin:-3px 0 18px;color:var(--muted)}
#content .remboo-cilindr .sources{padding-top:28px;border-top:1.5px solid var(--ink)}
#content .remboo-cilindr .sources ul{padding-left:21px}
#content .remboo-cilindr .sources li{margin:7px 0}
#content .remboo-cilindr .sources a{color:var(--ink);text-underline-offset:2px;overflow-wrap:anywhere;word-break:break-word}

/* Карточки площадей: три — в ряд на широком экране, четыре (с уровнем или для трубы) — 2 × 2 */
#content .remboo-cilindr .details-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;border-top:1.5px solid var(--ink)}
#content .remboo-cilindr .details-grid>div{min-width:0;padding:10px 0;border-bottom:1px solid var(--line)}
#content .remboo-cilindr .details-grid span,#content .remboo-cilindr .details-grid strong,#content .remboo-cilindr .details-grid em{display:block;margin:0}
#content .remboo-cilindr .details-grid span{color:var(--muted);font-size:.76rem}
#content .remboo-cilindr .details-grid strong{margin-top:2px;font-size:1.12rem}
#content .remboo-cilindr .details-grid em{color:var(--muted);font-size:.78rem;font-style:normal;line-height:1.35}
#content .remboo-cilindr .details-grid:has(#fill-cell[hidden])>div:nth-child(3){grid-column:1/-1}
#content .remboo-cilindr .source-line{margin:16px 0 0;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem;line-height:1.45}
#content .remboo-cilindr form>.hint{margin:-6px 0 14px}
@media (min-width:1100px){
  #content .remboo-cilindr .details-grid:not(.cells-4){grid-template-columns:repeat(3,1fr)}
  #content .remboo-cilindr .details-grid:has(#fill-cell[hidden]):not(.cells-4)>div:nth-child(3){grid-column:auto}
}
@media (max-width:900px){
  #content .remboo-cilindr .workspace{grid-template-columns:1fr}
  #content .remboo-cilindr aside{position:static}
  #content .remboo-cilindr .explanation{grid-template-columns:1fr}
}
@media (max-width:560px){
  #content .remboo-cilindr .calc-shell{padding:15px}
  #content .remboo-cilindr .field-grid{grid-template-columns:1fr;gap:0}
  #content .remboo-cilindr .top-metrics{grid-template-columns:1fr}
  #content .remboo-cilindr .details-grid{grid-template-columns:1fr}
  #content .remboo-cilindr .top-metrics span{min-height:0}
  #content .remboo-cilindr .actions{grid-template-columns:1fr}
}
/* Плитки на узком экране: три длинные подписи «Что считаем» — в столбик, единицы — 2 × 2
   (общий слой на ≤ 400 px раздаёт auto-fit по 100 px и режет слова по слогам) */
@media (max-width:400px){
  #content .remboo-cilindr form label .rb-tiles[aria-label="Что считаем"]{grid-template-columns:1fr}
  #content .remboo-cilindr form label .rb-tiles[aria-label="Единицы размеров"]{grid-template-columns:1fr 1fr}
}