/*
 * herpsa-parcours-calcul.css
 * Module « Calcul » : cases de résultats, verdicts, correction, calculatrice.
 * Chargée après herpsa-parcours.css, seulement sur les écrans de calcul. Couleurs : variables de :root (style.css).
 * Mobile d'abord : la calculatrice est un panneau en bas de l'écran, posé au-dessus de la barre du parcours.
 */

.prc-calc [hidden],
.prc-calc-pad[hidden] { display: none; }
.prc-js .prc-nojs { display: none; }

/* Tableau de l'énoncé : il défile dans son cadre (mêmes règles que herpsa-parcours-modules.css, non chargée ici). */
.prc-table-wrap { max-width: 100%; margin: 0 0 1rem; overflow-x: auto; border: 1px solid var(--slate-200); border-radius: var(--radius); }
.prc-table-wrap table { width: 100%; min-width: max-content; border-collapse: collapse; font-size: .9375rem; }
.prc-table-wrap th,
.prc-table-wrap td { padding: .5rem .75rem; border-bottom: 1px solid var(--slate-200); text-align: left; vertical-align: top; }
.prc-table-wrap th { background: var(--slate-50); color: var(--slate-800); }

/* ── Cases ─────────────────────────────────────────────────────────── */
.prc-calc-form { margin: 0; }
.prc-calc-list { margin: 1.25rem 0 0; padding: 0; list-style: none; }
.prc-calc-list--steps { counter-reset: calc; }
.prc-calc-item { position: relative; margin: 0 0 1rem; padding: 1rem; border: 1px solid var(--slate-200); border-radius: var(--radius); background: var(--white); }
.prc-calc-list--steps .prc-calc-item { counter-increment: calc; }
.prc-calc-list--steps .prc-calc-item::before { content: counter(calc); position: absolute; top: 1rem; left: 1rem; display: flex; align-items: center; justify-content: center; width: 1.75rem; height: 1.75rem; border-radius: 50%; background: var(--primary); color: var(--white); font-size: .9375rem; font-weight: 800; }
.prc-calc-list--steps .prc-calc-prompt { padding-left: 2.5rem; min-height: 1.75rem; }
.prc-calc-prompt { margin: 0 0 .75rem; font-weight: 600; color: var(--slate-900); }
.prc-calc-prompt p { margin: 0 0 .5rem; }
.prc-calc-row { display: flex; align-items: center; gap: .75rem; }
.prc-calc-input {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 3rem;
  padding: .5rem .875rem;
  border: 2px solid var(--slate-500);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--slate-900);
  font: inherit;
  font-size: 1.125rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.prc-calc-input:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }
.prc-calc-input--target { border-color: var(--primary); background: var(--primary-a08); }
.prc-calc-input[aria-invalid="true"] { border-color: var(--badge-red-text); }
.prc-calc-item[data-state="right"] .prc-calc-input { border-color: var(--badge-green-text); }
.prc-calc-unit { flex: 0 0 auto; min-width: 2.75rem; color: var(--slate-700); font-weight: 700; }
.prc-calc-fb { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem .5rem; margin: .75rem 0 0; color: var(--slate-800); }
.prc-calc-ok { color: var(--badge-green-text); }
.prc-calc-ko { color: var(--badge-red-text); }
.prc-calc-verdict { font-weight: 700; }
.prc-calc-hint { flex: 1 1 100%; color: var(--slate-700); }
.prc-calc-tools { margin: 0 0 1rem; }
.prc-calc-tools .prc-btn { gap: .5rem; }
.prc-calc-status { min-height: 1.5rem; margin: 0 0 .5rem; font-weight: 700; color: var(--slate-800); }

/* ── Correction ────────────────────────────────────────────────────── */
.prc-calc-solution { margin: 1.5rem 0 0; padding: 1rem; border: 1px solid var(--slate-200); border-left: 4px solid var(--primary); border-radius: var(--radius); background: var(--primary-a08); }
.prc-calc-solution-title { margin: 0 0 .75rem; color: var(--primary); font-size: 1.25rem; }
.prc-calc-solution-list { margin: 0 0 .75rem; padding: 0; list-style: none; }
.prc-calc-solution-list li { margin: 0 0 .75rem; color: var(--slate-900); }
.prc-calc-solution-name { color: var(--primary); }
.prc-calc-solution-value { font-weight: 800; font-variant-numeric: tabular-nums; }
.prc-calc-solution-text { margin: .5rem 0 0; }
.prc-calc-solution-text > :last-child { margin-bottom: 0; }
.prc-calc-solution-why { margin: .25rem 0 0; color: var(--slate-800); }

/* ── Calculatrice : panneau non modal, la page reste utilisable derrière ── */
.prc-calc-pad {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 40;
  max-height: 60vh;
  padding: .5rem 1rem .75rem;
  border: 2px solid var(--primary);
  border-width: 2px 0 0;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  color: var(--slate-900);
  overflow-y: auto;
}
body:has(.prc-bar) .prc-calc-pad { bottom: calc(var(--prc-bar-h) + env(safe-area-inset-bottom, 0px)); }
.prc-calc-pad-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin: 0 0 .375rem; color: var(--primary); }
.prc-calc-pad-close {
  flex: none;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0 1rem;
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--primary);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.prc-calc-pad-close::before { content: "\00d7\00a0"; font-size: 1.25rem; line-height: 1; }
.prc-calc-display { display: flex; flex-direction: column; align-items: flex-end; gap: 0; min-height: 3.5rem; margin: 0 0 .375rem; padding: .25rem .75rem; border-radius: var(--radius); background: var(--slate-100); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.prc-calc-expr { font-size: 1.25rem; font-weight: 700; color: var(--slate-900); }
.prc-calc-res { min-height: 1.25rem; font-size: 1rem; color: var(--slate-700); }
.prc-calc-target { margin: 0 0 .375rem; font-size: .9375rem; color: var(--slate-700); }
.prc-calc-keys { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: .375rem; }
.prc-calc-key {
  min-height: 2.75rem;
  padding: 0;
  border: 2px solid var(--slate-500);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--slate-900);
  font: inherit;
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
}
.prc-calc-key--op { border-color: var(--primary); background: var(--primary-a08); color: var(--primary); }
.prc-calc-key:active { background: var(--primary-a10); }
.prc-calc-key:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }
.prc-calc-put { grid-column: 4 / -1; min-height: 2.75rem; padding: .25rem .5rem; font-size: .9375rem; line-height: 1.2; }

/* Ordinateur : la calculatrice flotte en bas à droite. */
@media (min-width: 769px) {
  .prc-calc-pad { right: 1rem; bottom: 1rem; left: auto; width: 22rem; border-width: 2px; border-radius: var(--radius-xl); }
  body:has(.prc-bar) .prc-calc-pad { bottom: 1rem; }
}

@media print { .prc-calc-pad { display: none; } }