/* Примеры моделей (/primery-modelej/): каталог и страницы моделей. Все правила внутри #exm.
   Светлое оформление сайта: шрифт Onest, графит и фирменный оранжевый, без темных фонов.
   Графики рисует /assets/js/modeli.js по данным сохраненного прогона модели. */
#exm { --col: 800px; --res: #fdf1ec; --res-ink: #a63c15; --ok: #2f7d4b; --no: #b3261e; color: var(--ink); }
#exm h1, #exm h2, #exm h3 { text-wrap: balance; }
#exm ul, #exm ol { margin: 0; padding: 0; list-style: none; }
#exm dl, #exm dd { margin: 0; }
#exm p { margin: 0; }
#exm li > p + p, #exm dd > p + p, #exm .ex-steps div > p + p, #exm p.ex-fn + p.ex-fn, #exm p.ex-note + p.ex-note { margin-top: .6em; }
#exm svg { max-width: none; vertical-align: middle; }
#exm button, #exm select, #exm input { font: inherit; color: inherit; }
#exm summary { cursor: pointer; }
#exm [hidden] { display: none !important; }
#exm .ex-vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* one reading column */
#exm .ex-col { max-width: calc(var(--col) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
#exm .ex-wide { max-width: calc(var(--wrap) + 2 * var(--gutter)); }
#exm .ex-s { padding: clamp(40px, 5vw, 64px) 0 0; }
#exm .ex-s h2 { font-size: clamp(1.35rem, 1.15rem + .8vw, 1.8rem); margin: 0 0 16px; }
#exm .ex-s p + p { margin-top: 14px; }
#exm .ex-h3, #exm .ex-res h3 { font-size: 1.2rem; margin: 32px 0 8px; }
#exm .ex-note { font-size: .92rem; color: var(--muted); margin: 0 0 12px; }
#exm .ex-fn { font-size: .86rem; color: var(--muted); margin-top: 8px; }
#exm code { font-family: Consolas, 'SFMono-Regular', Menlo, monospace; font-size: .88em; color: var(--ink-2); overflow-wrap: anywhere; }

/* hero: light grey band with the page's breadcrumbs */
#exm .ex-hero { background: var(--paper-2); border-bottom: 1px solid var(--line); padding: clamp(28px, 4vw, 52px) 0 clamp(80px, 9vw, 110px); }
#exm .ex-hero .crumbs { margin-bottom: 22px; }
#exm .ex-eyebrow { display: flex; align-items: center; gap: 12px; font: 600 .78rem/1.3 var(--text); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; }
#exm .ex-eyebrow::before { content: ''; flex: none; width: 28px; height: 2px; background: var(--brand); }
#exm .ex-hero h1 { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.75rem); margin: 0 0 16px; }
#exm .ex-sub { font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); line-height: 1.55; color: var(--ink-2); max-width: 40em; }
#exm .ex-meta { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-top: 20px; font-size: .92rem; color: var(--muted); }
#exm .ex-stars { font-size: 1rem; line-height: 1; letter-spacing: 1px; white-space: nowrap; }
#exm .ex-stars .on { color: var(--brand); }
#exm .ex-stars .off { color: #cfd0d4; }

/* buttons */
#exm .ex-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
#exm .ex-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 22px; border: 1.5px solid var(--ink); border-radius: 4px; font: 600 .97rem/1.2 var(--text); text-decoration: none; transition: background .18s, color .18s, border-color .18s; }
#exm .ex-btn svg { width: 18px; height: 18px; flex: none; }
#exm .ex-btn-dl { background: var(--brand-ink); border-color: var(--brand-ink); color: #fff; }
#exm .ex-btn-dl:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
#exm .ex-btn-trial { background: transparent; color: var(--ink); }
#exm .ex-btn-trial:hover { background: var(--ink); color: var(--paper); }

/* the answer card overlaps the hero */
#exm .ex-answer { margin-top: clamp(-90px, -7vw, -60px); }
#exm .ex-card { background: var(--paper); border: 1px solid var(--line); border-top: 3px solid var(--brand); border-radius: 4px; padding: clamp(20px, 3vw, 32px); box-shadow: 0 18px 40px -24px rgba(17, 18, 20, .22); }
#exm .ex-kicker { font: 600 .74rem/1.3 var(--text); letter-spacing: .12em; text-transform: uppercase; color: var(--brand-ink); margin-bottom: 8px; }
#exm .ex-card h2 { font-size: clamp(1.3rem, 1.1rem + .7vw, 1.7rem); margin: 0 0 6px; }
#exm .ex-card-dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 28px; margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line); }
#exm .ex-card-dl dt, #exm .ex-dl dt { font-weight: 600; margin-bottom: 4px; }
#exm .ex-card-dl dd { font-size: .95rem; color: var(--ink-2); }

/* tables */
#exm .ex-tw { margin: 16px 0 0; overflow-x: auto; }
#exm .ex-t { width: 100%; border-collapse: collapse; font-size: .93rem; font-variant-numeric: tabular-nums lining-nums; }
#exm .ex-t caption { caption-side: top; text-align: left; font-weight: 600; color: var(--muted); padding: 0 0 6px; }
#exm .ex-t th, #exm .ex-t td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; line-height: 1.4; }
#exm .ex-t thead th { background: transparent; color: var(--muted); font-weight: 600; font-size: .8rem; letter-spacing: .02em; border-bottom: 1.5px solid var(--ink); vertical-align: bottom; }
#exm .ex-t tbody th { font-weight: 500; }
#exm .ex-t .n { text-align: right; white-space: nowrap; }
#exm .ex-t th.n { white-space: normal; }
#exm .ex-t td.r { background: var(--res); color: var(--res-ink); }
#exm .ex-t tr.key th, #exm .ex-t tr.key td { font-weight: 700; }
#exm .ex-t td.k { box-shadow: inset 3px 0 0 var(--brand); }
#exm .ex-t td.fx { text-align: center; }
#exm .ex-basis { display: block; font-weight: 400; font-size: .84rem; color: var(--muted); margin-top: 3px; }
#exm .ex-res .ok { color: var(--ok); font-weight: 600; }
#exm .ex-res .no { color: var(--no); font-weight: 600; }

/* charts */
#exm .ex-ch { margin: 28px 0 0; }
#exm .ex-ch figcaption { font-weight: 600; margin-bottom: 8px; }
#exm .ex-plot { position: relative; width: 100%; aspect-ratio: 16 / 9; min-height: 240px; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; touch-action: pan-y; }
#exm .ex-plot svg { display: block; width: 100%; height: 100%; }
#exm .ex-plot text { font-family: var(--text); }
#exm .ex-nojs { padding: 16px; color: var(--muted); font-size: .92rem; }
.js #exm .ex-nojs { display: none; }
#exm .ex-legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .86rem; color: var(--muted); margin: 6px 0 10px; }
#exm .ex-legend span { display: inline-flex; align-items: center; gap: 6px; }
#exm .ex-legend i { display: inline-block; width: 18px; height: 0; border-top: 3px solid currentColor; }
#exm .ex-tip { position: absolute; pointer-events: none; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 8px 22px rgba(17, 18, 20, .14); padding: 6px 9px; font-size: .8rem; line-height: 1.4; color: var(--ink); white-space: nowrap; z-index: 2; }
#exm .ex-tip b { font-weight: 600; }
#exm .ex-read { margin-top: 12px; background: var(--paper-2); border-radius: 4px; padding: 12px 16px; }
#exm .ex-read:empty { display: none; }
#exm .ex-read label { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 4px; }
#exm .ex-read input[type=range] { width: 100%; accent-color: var(--brand-ink); margin: 4px 0 8px; min-height: 28px; }
#exm .ex-read ul { display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: .95rem; }
#exm .ex-read li b { font-variant-numeric: tabular-nums; color: var(--res-ink); }
#exm .ex-read .ex-rl { font-size: .84rem; color: var(--muted); margin-top: 4px; }

/* model structure: numbered sheets, techniques, functions */
#exm .ex-steps { margin-top: 20px; display: grid; gap: 18px; }
#exm .ex-steps li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; }
#exm .ex-sn { width: 40px; height: 40px; border: 1.5px solid var(--ink); border-radius: 50%; display: grid; place-items: center; font-weight: 600; }
#exm .ex-steps h3 { font-size: 1.08rem; margin: 8px 0 6px; }
#exm .ex-sheet { white-space: nowrap; }
#exm .ex-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
#exm .ex-tags li { font-size: .86rem; padding: 5px 11px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); }
#exm .ex-tech li code { color: var(--brand-ink); }
#exm .ex-tagl li { padding: 0; border: 0; background: none; }
#exm .ex-tagl a { display: inline-block; font-size: .86rem; padding: 5px 11px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--ink-2); }
#exm .ex-tagl a:hover { border-color: var(--brand-ink); color: var(--brand-ink); }
#exm .ex-facets { display: grid; gap: 12px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }
#exm .ex-facets > div { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 12px; align-items: baseline; }
#exm .ex-facets dt { font-size: .86rem; color: var(--muted); }
#exm .ex-facets .ex-tags { margin-top: 0; }
#exm .ex-dl { display: grid; gap: 14px; margin-top: 16px; }
#exm .ex-dl > div { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
#exm .ex-fns dt { font-family: Consolas, 'SFMono-Regular', Menlo, monospace; font-size: .9rem; font-weight: 600; color: var(--brand-ink); overflow-wrap: anywhere; }
#exm .ex-ul li, #exm .ex-ol li { position: relative; padding-left: 26px; margin-top: 10px; }
#exm .ex-ul li::before { content: ''; position: absolute; left: 4px; top: .68em; width: 8px; height: 8px; background: var(--brand); border-radius: 1px; }
#exm .ex-ol { counter-reset: exo; }
#exm .ex-ol li { counter-increment: exo; padding-left: 34px; }
#exm .ex-ol li::before { content: counter(exo); position: absolute; left: 0; top: 0; width: 24px; height: 24px; border-radius: 50%; background: var(--paper-2); font-size: .8rem; font-weight: 600; display: grid; place-items: center; }
#exm .ex-read-box { background: var(--paper-2); border-left: 3px solid var(--brand); border-radius: 0 4px 4px 0; padding: 4px 24px 22px; margin-top: 32px; }
#exm .ex-read-box h3 { margin-top: 18px; font-size: 1.1rem; }
#exm .ex-callout { background: var(--res); border-radius: 4px; padding: 14px 18px; margin-top: 18px; }

/* inputs: collapsible groups */
#exm .ex-det { border-top: 1px solid var(--line); margin-top: 16px; }
#exm .ex-det:last-of-type { border-bottom: 1px solid var(--line); }
#exm .ex-det summary { list-style: none; display: flex; align-items: baseline; gap: 12px; padding: 14px 32px 14px 0; position: relative; font-weight: 600; }
#exm .ex-det summary::-webkit-details-marker { display: none; }
#exm .ex-det summary::after { content: '+'; position: absolute; right: 4px; top: 10px; font-size: 1.3rem; font-weight: 400; color: var(--brand-ink); }
#exm .ex-det[open] summary::after { content: '−'; }
#exm .ex-det summary small { font-weight: 400; font-size: .84rem; color: var(--muted); }
#exm .ex-det > :not(summary) { margin-bottom: 18px; }
#exm .ex-det-t summary { font-size: 1.05rem; }

/* download bands */
#exm .ex-band { margin-top: clamp(40px, 5vw, 56px); background: var(--paper-2); border-radius: 4px; padding: 24px clamp(20px, 3vw, 32px); }
#exm .ex-band .ex-cta { margin-top: 16px; }
#exm .ex-end { padding-bottom: clamp(48px, 6vw, 80px); }
#exm .ex-end .ex-band { margin-top: 0; }
#exm .ex-foot { font-size: .84rem; color: var(--muted); margin-top: 28px; }

/* cards: hub and related models */
#exm .ex-cards, #exm .ex-rel { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
#exm .ex-cards > li, #exm .ex-rel > li { min-width: 0; }
#exm .ex-cards a, #exm .ex-rel a { display: flex; flex-direction: column; gap: 8px; height: 100%; border: 1px solid var(--line); border-radius: 4px; padding: 18px 20px 16px; text-decoration: none; color: var(--ink); background: var(--paper); transition: border-color .18s, box-shadow .18s, transform .18s; }
#exm .ex-cards a:hover, #exm .ex-rel a:hover { border-color: var(--ink); box-shadow: 0 14px 30px -20px rgba(17, 18, 20, .35); color: var(--ink); }
#exm .ex-ct { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: .78rem; color: var(--muted); letter-spacing: .04em; }
#exm .ex-ti { font-size: 1.08rem; line-height: 1.3; font-weight: 600; }
#exm .ex-rq { font-size: .95rem; color: var(--ink-2); }
#exm .ex-desc { font-size: .86rem; color: var(--muted); }
#exm .ex-cb { margin-top: auto; padding-top: 6px; min-width: 0; }
#exm .ex-ctags { display: flex; flex-wrap: nowrap; gap: 5px; overflow: hidden; min-width: 0; }
#exm .ex-ctags span { flex: none; font-size: .74rem; line-height: 1.35; padding: 3px 8px; border-radius: 999px; background: var(--paper-2); color: var(--ink-2); white-space: nowrap; }
#exm .ex-ctags .t-a { background: var(--res); color: var(--res-ink); font-weight: 600; }
#exm .ex-ctags .ex-tmore { background: transparent; border: 1px dashed var(--line); color: var(--muted); }
#exm .ex-ctags span:first-child { flex: 0 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
#exm .ex-ctags.ex-meas span { flex: none; }
#exm .ex-rel-s h2 { margin-bottom: 20px; }

/* hub */
#exm.ex-hub .page-hero { border-bottom: 0; background: var(--paper-2); }
#exm .ex-filter { position: sticky; top: var(--header-h); z-index: 5; background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--line); padding: 14px 0; }
#exm .ex-frow { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px 14px; }
#exm .ex-fi { flex: 1 1 220px; display: flex; flex-direction: column; gap: 4px; }
#exm .ex-fi span, #exm .ex-sel span { font-size: .76rem; color: var(--muted); letter-spacing: .02em; }
#exm .ex-fi input, #exm .ex-sel select { height: 44px; border: 1px solid var(--paper-3); border-radius: 4px; background: var(--paper); padding: 0 12px; font-size: .93rem; }
#exm .ex-fi input:focus, #exm .ex-sel select:focus { border-color: var(--ink); outline: none; }
#exm .ex-sel { display: flex; flex-direction: column; gap: 4px; flex: 0 1 200px; min-width: 150px; }
#exm .ex-sel select { width: 100%; }
#exm .ex-fmeta { display: flex; align-items: center; gap: 16px; width: 100%; font-size: .86rem; color: var(--muted); }
#exm .ex-clear { border: 0; background: none; padding: 0; color: var(--brand-ink); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font-size: .86rem; }
#exm .ex-ind { padding: clamp(36px, 5vw, 56px) 0 0; }
#exm .ex-ind h2 { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; font-size: clamp(1.3rem, 1.1rem + .8vw, 1.75rem); margin-bottom: 20px; }
#exm .ex-ind h2 small { font-size: .9rem; font-weight: 400; color: var(--muted); letter-spacing: 0; }
#exm .ex-none { padding: 48px 0 0; color: var(--ink-2); }
#exm .ex-how { margin-top: clamp(48px, 6vw, 80px); }
#exm .ex-how-g { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
#exm .ex-how-g h3 { font-size: 1.08rem; margin-bottom: 8px; }
#exm .ex-how-g p { color: var(--ink-2); font-size: .95rem; }

@media (max-width: 1000px) {
  #exm .ex-cards, #exm .ex-rel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #exm .ex-how-g { grid-template-columns: minmax(0, 1fr); gap: 20px; }
}
@media (max-width: 760px) {
  #exm .ex-filter { position: static; }
  #exm .ex-sel { flex: 1 1 calc(50% - 7px); min-width: 0; }
  #exm .ex-dl > div, #exm .ex-facets > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  #exm .ex-card-dl { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 620px) {
  #exm .ex-cards, #exm .ex-rel { grid-template-columns: minmax(0, 1fr); }
  #exm .ex-plot { aspect-ratio: 4 / 3.4; }
  #exm .ex-btn { width: 100%; }
  #exm .ex-stack { overflow: visible; }
  #exm .ex-stack .ex-t thead { display: none; }
  #exm .ex-stack .ex-t, #exm .ex-stack .ex-t tbody, #exm .ex-stack .ex-t tr { display: block; width: 100%; }
  #exm .ex-stack .ex-t tr { border: 1px solid var(--line); border-radius: 4px; margin: 0 0 10px; padding: 4px 0; background: var(--paper); }
  #exm .ex-stack .ex-t th[scope=row] { display: block; border: 0; padding: 8px 12px 4px; font-weight: 600; }
  #exm .ex-stack .ex-t td { display: flex; justify-content: space-between; gap: 12px; border: 0; padding: 3px 12px; text-align: right; white-space: normal; overflow-wrap: anywhere; }
  #exm .ex-stack .ex-t td::before { content: attr(data-l); color: var(--muted); font-weight: 400; text-align: left; }
  #exm .ex-stack .ex-t td[data-l=""]::before { content: none; }
  #exm .ex-stack .ex-t td.r { background: transparent; }
  #exm .ex-stack .ex-t td.k { box-shadow: none; }
  #exm .ex-stack .ex-t td:empty { display: none; }
  #exm .ex-four .ex-t { font-size: .86rem; }
  #exm .ex-four .ex-t th, #exm .ex-four .ex-t td { padding: 7px 6px; }
}