/* Virtuální prototypování (/publikace/virtualni-prototypovani) – jen prvky specifické pro tuto příručku.
   Základ (layout, obsah, typografie, karty, rámečky, ilustrace, tabulky) je ve sdíleném publication-guide.css (proměnné --pg-* z .pg),
   cover v publication-cover.css. Načítá <PageStyles name="virtualni-prototypovani" /> v
   src/components/pages/(publications)/virtualprototyping/page.tsx. Čisté CSS (mimo Tailwind), třídy s prefixem vp-. */

.vp-legend,
.vp-features,
.vp-levels,
.vp-cases,
.vp-calc { clear: both; }

.vp-calc-grid > *,
.vp-case-grid > *,
.vp-levels > li > div { min-width: 0; }

/* ------------------------------------------------------------------ */
/* Legenda stavby kapitol (úvod) – zmenšeniny skutečných rámečků       */
/* ------------------------------------------------------------------ */
.vp-legend {
  display: grid;
  gap: 12px;
  margin: 18px 0 0 !important;
  padding: 0 !important;
  list-style: none !important;
}
@media (min-width: 768px) { .vp-legend { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .vp-legend { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.vp-legend li {
  margin: 0 !important;
  padding: 16px 18px !important;
  border: 1px solid var(--pg-line);
  border-radius: 12px;
  background: #fff;
}
.vp-legend strong { display: block; font-size: 11.5px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.vp-legend span { display: block; margin-top: 6px; font-size: 14px; line-height: 1.55; }
.vp-legend--lead strong { font-size: 16px; letter-spacing: 0; text-transform: none; color: var(--pg-ink); }
.vp-legend--lead span { color: var(--pg-text); }
.vp-legend li.vp-legend--analogy { border-color: transparent; background: #fff8e6; }
.vp-legend--analogy strong { color: #a16207; }
.vp-legend--analogy span { color: #3f3a2c; }
.vp-legend li.vp-legend--example { border: 1px dashed #b9d9c6; }
.vp-legend--example strong { color: var(--pg-brand); }
.vp-legend--example span { color: var(--pg-text); }
.vp-legend li.vp-legend--takeaway { border-color: transparent; background: var(--pg-dark); }
.vp-legend li.vp-legend--takeaway strong { color: var(--pg-accent); }
.vp-legend li.vp-legend--takeaway span { color: #e8f3ed; }

/* Rozcestník otázek */
.vp-table--finder tbody th { font-weight: 500; }
.vp-table--finder td { width: 38%; }
.vp-table--finder a { font-weight: 700; text-decoration: none; }
.vp-table--finder a:hover { text-decoration: underline; }

/* Engine vs. CAE: zelené ano, šedé ne */
.vp-table--cae th[scope="row"] { width: 38%; font-weight: 500; }
.vp-table--cae td.is-yes { color: var(--pg-brand-2); font-weight: 600; }
.vp-table--cae td.is-no { color: var(--pg-muted); }

/* Kapitola 05: úvod vlevo, široké schéma stacku vpravo (od 1100 px), aby vedle schématu nezůstávalo prázdné místo */
.vp-stack-intro { display: grid; gap: 24px; margin-top: 20px !important; clear: both; }
.vp-stack-intro > * { min-width: 0; }
@media (min-width: 1100px) {
  .vp-stack-intro { grid-template-columns: minmax(0, 35fr) minmax(0, 65fr); gap: 36px; align-items: start; }
}
.vp-stack-intro .pg-lead-in { margin-top: 0 !important; }
.vp-stack-intro h4 { margin-top: 24px; }
.vp-stack-intro > div > p { max-width: 780px; }
.vp-stack-intro .pg-figure { max-width: none; margin: 0 !important; }
.vp-stack-intro .pg-svg { max-height: none; }
@media (min-width: 1100px) { .vp-stack-intro .pg-figure .pg-svg { min-width: 0; } }

/* Kroky simulace: 6 karet (3 + 3 na širokém displeji) */
@media (min-width: 1100px) { .vp-steps--6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ------------------------------------------------------------------ */
/* Kalkulačka (IterationCalculator.tsx)                                */
/* ------------------------------------------------------------------ */
.vp-calc {
  margin: 24px 0 0 !important;
  padding: 24px;
  border: 1px solid var(--pg-line);
  border-radius: var(--pg-radius);
  background: #fff;
  box-shadow: var(--pg-shadow);
}
.vp-calc-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; }
.vp-calc-head strong { font-size: 17px; color: var(--pg-ink); }
.vp-calc-head span { font-size: 13px; color: var(--pg-muted); }
.vp-calc-grid { display: grid; gap: 24px; margin-top: 18px; }
@media (min-width: 900px) { .vp-calc-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); align-items: start; } }
.vp-calc-fields { display: grid; gap: 14px; }
@media (min-width: 560px) { .vp-calc-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.vp-calc-field label { display: block; font-size: 14px; font-weight: 600; line-height: 1.35; color: var(--pg-ink); }
.vp-calc-field small { display: block; min-height: 2.6em; margin-top: 2px; font-size: 12px; line-height: 1.3; color: var(--pg-muted); }
.vp-calc-input {
  display: flex;
  align-items: center;
  margin-top: 6px;
  border: 1px solid #cfdcd4;
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
}
.vp-calc-input:focus-within { border-color: var(--pg-brand); box-shadow: 0 0 0 3px rgba(0, 169, 79, 0.15); }
.vp-calc-input input {
  flex: 1;
  min-width: 0;
  padding: 9px 12px;
  border: 0;
  outline: none;
  font: inherit;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--pg-ink);
  background: transparent;
}
.vp-calc-input span {
  display: flex;
  align-items: center;
  align-self: stretch;
  padding: 0 12px;
  font-size: 13px;
  color: var(--pg-muted);
  background: var(--pg-soft);
}
.vp-calc-result { padding: 22px; border-radius: 14px; background: var(--pg-soft); }
@media (min-width: 900px) { .vp-calc-result { position: sticky; top: 24px; } }
.vp-calc-result p { margin: 0; }
.vp-calc-label { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--pg-muted); }
.vp-calc-result p.vp-calc-label--gap { margin-top: 20px; }
.vp-calc-bars { display: grid; gap: 12px; margin-top: 12px; }
.vp-calc-bar { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; align-items: center; }
.vp-calc-bar span { font-size: 13.5px; font-weight: 600; color: var(--pg-ink); }
.vp-calc-bar div { grid-column: 1 / -1; height: 12px; border-radius: 999px; background: #e3e8e5; overflow: hidden; }
.vp-calc-bar i { display: block; height: 100%; border-radius: inherit; background: #9aa5a0; transition: width 0.2s; }
.vp-calc-bar--virt i { background: var(--pg-brand); }
.vp-calc-bar output { grid-row: 1; grid-column: 2; font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--pg-ink); }
.vp-calc-result p.vp-calc-verdict { margin-top: 20px; font-size: 16.5px; line-height: 1.5; color: var(--pg-ink); }
.vp-calc[data-level="low"] .vp-calc-verdict strong { color: var(--pg-brand-2); }
.vp-calc[data-level="high"] .vp-calc-verdict strong { color: #b42323; }
.vp-calc-result p.vp-calc-note { margin-top: 10px; font-size: 13px; line-height: 1.55; color: var(--pg-muted); }
.vp-calc-note strong { color: var(--pg-ink); }
@media (prefers-reduced-motion: reduce) { .vp-calc-bar i { transition: none; } }

/* ------------------------------------------------------------------ */
/* Funkce enginu (seznam dvojic název – popis)                         */
/* ------------------------------------------------------------------ */
.vp-features {
  display: grid;
  gap: 10px;
  margin: 18px 0 0 !important;
  padding: 0 !important;
  list-style: none !important;
}
@media (min-width: 768px) { .vp-features { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.vp-features li {
  margin: 0 !important;
  padding: 14px 16px !important;
  border-left: 3px solid var(--pg-brand);
  border-radius: 0 12px 12px 0;
  background: var(--pg-soft);
}
.vp-features strong { display: block; font-size: 15px; color: var(--pg-ink); }
.vp-features span { display: block; margin-top: 2px; font-size: 14px; line-height: 1.55; color: var(--pg-text); }

/* Fyzikální jádra: „hodí se pro“ a „licence“ dole v kartě */
.vp-physics-meta { display: grid; gap: 8px; margin: auto 0 0 !important; padding-top: 14px; }
.vp-physics-meta > div { padding: 8px 12px; border-radius: 8px; background: var(--pg-soft); }
.vp-physics-meta dt { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--pg-brand-2); }
.vp-physics-meta dd { margin: 2px 0 0; font-size: 13.5px; line-height: 1.5; color: var(--pg-text); }

/* ------------------------------------------------------------------ */
/* Úrovně věrnosti (seznam pod schématem)                              */
/* ------------------------------------------------------------------ */
.vp-levels {
  display: grid;
  gap: 10px;
  margin: 18px 0 0 !important;
  padding: 0 !important;
  list-style: none !important;
}
@media (min-width: 1100px) { .vp-levels { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
.vp-levels li {
  display: flex;
  gap: 12px;
  margin: 0 !important;
  padding: 14px !important;
  border: 1px solid var(--pg-line);
  border-radius: 12px;
  background: #fff;
}
@media (min-width: 1100px) { .vp-levels li { flex-direction: column; } }
.vp-levels .vp-levels-no {
  display: grid;
  place-items: center;
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  background: var(--pg-brand);
}
.vp-levels li:nth-child(5) .vp-levels-no { background: var(--pg-dark); }
.vp-levels li > div > strong { display: block; font-size: 14.5px; color: var(--pg-ink); }
.vp-levels li > div > span { display: block; margin-top: 2px; font-size: 13.5px; line-height: 1.5; color: var(--pg-text); }
.vp-levels em { display: block; margin-top: 6px; font-size: 12.5px; font-style: normal; line-height: 1.45; color: var(--pg-brand-2); }

/* Kontrolní seznam dat: skupiny a priorita */
.vp-table--data tr.vp-group th {
  padding-top: 14px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pg-brand-2);
  background: #f7fbf8;
}
.vp-table--data tbody th[scope="row"] { width: 24%; }
.vp-prio {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 800;
}
.vp-prio--A { color: #fff; background: var(--pg-brand); }
.vp-prio--B { color: var(--pg-brand-2); background: var(--pg-mint); box-shadow: inset 0 0 0 1px rgba(0, 169, 79, 0.3); }
.vp-prio--C { color: var(--pg-muted); background: #eef1ef; }

/* ------------------------------------------------------------------ */
/* Příklady (karty případů)                                             */
/* ------------------------------------------------------------------ */
.vp-cases { display: grid; gap: 18px; margin-top: 24px !important; }
@media (min-width: 1280px) { .vp-cases { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.vp-case {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--pg-line);
  border-radius: var(--pg-radius);
  background: #fff;
  box-shadow: var(--pg-shadow);
  scroll-margin-top: 24px;
}
.vp-case-head { display: grid; gap: 4px; }
.vp-case h3 { margin: 0 !important; font-size: 20px; line-height: 1.3; color: var(--pg-ink); }
.vp-case-level { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 6px; font-size: 12px; color: var(--pg-muted); }
.vp-level { display: inline-flex; align-items: center; gap: 4px; }
.vp-level i { width: 10px; height: 10px; border-radius: 999px; background: #dfe7e2; }
.vp-level i.is-on { background: var(--pg-brand); }
.vp-level b { margin-left: 4px; font-size: 12px; color: var(--pg-ink); }
.pg-prose .vp-case-q { margin: 14px 0 0; padding: 12px 14px; border-radius: 10px; background: var(--pg-soft); font-size: 15px; line-height: 1.6; color: var(--pg-ink); }
.vp-case-grid { display: grid; gap: 14px; margin: 16px 0 16px !important; }
@media (min-width: 640px) { .vp-case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.vp-case-grid dt { font-size: 11.5px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: var(--pg-brand-2); }
.vp-case-grid dd { margin: 4px 0 0; font-size: 14.5px; line-height: 1.6; color: var(--pg-text); }
.pg-prose .vp-case-grid ul { margin: 0; padding-left: 18px; }
.pg-prose .vp-case-grid li { margin: 2px 0; padding: 0; }
.vp-case-tools { margin-top: 0; padding-top: 2px; }
.pg-prose .vp-case-pitfall {
  margin: auto 0 0;
  padding: 12px 14px;
  border-left: 3px solid #f59e0b;
  border-radius: 0 10px 10px 0;
  background: var(--pg-warn-bg);
  font-size: 14px;
  line-height: 1.6;
  color: var(--pg-ink);
}

/* Mobil: legenda jako vodorovný karusel (stejně jako karty ve sdíleném CSS) */
@media (max-width: 639.98px) {
  .pg-prose .vp-legend {
    display: flex !important;
    gap: 12px;
    margin: 18px -20px 0 !important;
    padding: 4px 20px 14px !important;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 20px;
    scrollbar-width: none;
  }
  .pg-prose .vp-legend > li { flex: 0 0 min(78%, 300px); scroll-snap-align: start; }
  .pg-prose .vp-legend::-webkit-scrollbar { display: none; }
}