/* ==========================================================================
   MyArk.pet — Calculateurs & simulateurs (module calc1)
   Dépend des tokens de style.css (ADR-015). Aucune couleur hors tokens.
   ========================================================================== */

/* ---------- Hero ---------- */
.calc-hero { padding: 56px 0 28px; }
.calc-hero .eyebrow { color: var(--ark); }
.calc-hero h1 { max-width: 22ch; }
.calc-hero p { color: var(--secondary); max-width: 62ch; margin-top: 14px; font-size: 17px; }
.calc-hero__emoji { font-size: 40px; display: inline-block; margin-bottom: 10px; }

.calc-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding-top: 28px; font-size: 14px; color: var(--secondary); }
.calc-breadcrumb a { color: var(--ark); text-decoration: none; }
.calc-breadcrumb a:hover { text-decoration: underline; }

/* ---------- Hub ---------- */
.calc-hub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin: 36px 0 56px; }
.calc-hub-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-l); padding: 26px; box-shadow: var(--shadow-1); display: flex; flex-direction: column; gap: 10px; transition: box-shadow .2s ease; }
.calc-hub-card:hover { box-shadow: var(--shadow-2); }
.calc-hub-card .calc-hub-card__emoji { font-size: 30px; }
.calc-hub-card h2, .calc-hub-card h3 { font-size: 19px; margin: 0; }
.calc-hub-card p { color: var(--secondary); font-size: 15px; margin: 0; flex-grow: 1; }
.calc-hub-card a { color: var(--ark); font-weight: 600; text-decoration: none; }
.calc-hub-card a:hover { text-decoration: underline; }

/* ---------- Disposition formulaire + résultat ---------- */
.calc-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; margin: 28px 0 48px; }
@media (max-width: 860px) { .calc-layout { grid-template-columns: 1fr; } }

.calc-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-l); padding: 28px; box-shadow: var(--shadow-1); }
.calc-card fieldset { border: 0; padding: 0; margin: 0 0 22px; }
.calc-card fieldset:last-of-type { margin-bottom: 6px; }
.calc-card legend { font-weight: 700; font-size: 15px; color: var(--label); margin-bottom: 12px; padding: 0; }

.calc-field { margin-bottom: 16px; }
.calc-field:last-child { margin-bottom: 0; }
.calc-field > label { display: block; font-weight: 600; font-size: 14.5px; margin-bottom: 6px; color: var(--label); }
.calc-field input[type="number"],
.calc-field select { width: 100%; }
.calc-hint { display: block; margin-top: 6px; font-size: 13px; color: var(--tertiary); }

.calc-choices { display: flex; flex-direction: column; gap: 10px; }
.calc-choices--row { flex-direction: row; flex-wrap: wrap; gap: 10px 18px; }
.calc-choice { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--label); cursor: pointer; }
.calc-choice input { margin-top: 2px; accent-color: var(--ark); }
.calc-choice span strong { display: block; font-weight: 600; }
.calc-choice span small { color: var(--tertiary); font-size: 12.5px; }

.calc-inline { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 480px) { .calc-inline { grid-template-columns: 1fr; } }

.calc-submit { margin-top: 10px; width: 100%; }

/* Validation non intrusive : après interaction seulement */
.calc-card input:user-invalid { border-color: var(--danger); }
.calc-card input:user-valid { border-color: var(--border); }
.calc-error { display: none; margin-top: 6px; font-size: 13px; color: var(--danger); }
input:user-invalid ~ .calc-error { display: block; }

/* ---------- Résultats ---------- */
.calc-results { background: var(--ark-tint); border: 1px solid var(--border); border-radius: var(--r-l); padding: 28px; position: sticky; top: 88px; }
.calc-results[hidden] { display: none; }
.calc-results .eyebrow { color: var(--ark-strong); }
.calc-result-main { font-size: 34px; font-weight: 800; color: var(--ark-strong); line-height: 1.15; margin: 8px 0 2px; }
.calc-result-sub { color: var(--secondary); font-size: 15px; margin-bottom: 18px; }

.calc-breakdown { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.calc-breakdown caption { text-align: left; font-weight: 700; font-size: 14px; color: var(--label); padding-bottom: 8px; }
.calc-breakdown th { text-align: left; font-weight: 500; color: var(--secondary); padding: 7px 0; }
.calc-breakdown td { text-align: right; font-variant-numeric: tabular-nums; color: var(--label); padding: 7px 0; white-space: nowrap; }
.calc-breakdown tr + tr th, .calc-breakdown tr + tr td { border-top: 1px solid var(--border); }
.calc-breakdown tfoot th, .calc-breakdown tfoot td { border-top: 2px solid var(--ark); font-weight: 700; color: var(--ark-strong); }

.calc-stage { display: inline-block; background: var(--card); border: 1px solid var(--border); border-radius: var(--r-xs); padding: 4px 10px; font-size: 13.5px; font-weight: 600; color: var(--ark-strong); margin-top: 6px; }

.calc-note { display: flex; gap: 10px; align-items: flex-start; background: var(--honey-tint); border: 1px solid var(--border); border-radius: var(--r-s); padding: 14px 16px; font-size: 13.5px; color: var(--label); margin-top: 18px; }
.calc-note p { margin: 0; }

.calc-placeholder { color: var(--secondary); font-size: 15px; }

/* ---------- Méthode, FAQ, contenus liés ---------- */
.calc-method { margin: 20px 0 48px; }
.calc-method h2 { margin-bottom: 14px; }
.calc-method p, .calc-method li { color: var(--secondary); font-size: 15.5px; }
.calc-method ul { padding-left: 20px; margin-top: 10px; display: grid; gap: 8px; }
.calc-method strong { color: var(--label); }

.calc-faq { margin: 0 0 48px; }
.calc-faq h2 { margin-bottom: 16px; }
.calc-faq details { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-s); padding: 16px 18px; margin-bottom: 10px; }
.calc-faq summary { font-weight: 600; cursor: pointer; color: var(--label); }
.calc-faq details p { margin-top: 10px; color: var(--secondary); font-size: 15px; }

.calc-related { margin: 0 0 56px; }
.calc-related h2 { margin-bottom: 16px; }
.calc-related__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.calc-related-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-m); padding: 20px; box-shadow: var(--shadow-1); }
.calc-related-card span { display: block; font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--ark); margin-bottom: 6px; }
.calc-related-card h3 { font-size: 16px; margin: 0 0 10px; }
.calc-related-card a { color: var(--ark); font-weight: 600; text-decoration: none; font-size: 14.5px; }
.calc-related-card a:hover { text-decoration: underline; }

.calc-sources { margin: 0 0 56px; }
.calc-sources h2 { font-size: 18px; margin-bottom: 10px; }
.calc-sources ul { padding-left: 20px; display: grid; gap: 6px; }
.calc-sources li { font-size: 14px; color: var(--secondary); }
.calc-sources a { color: var(--ark); }

.calc-cta { background: var(--ark-ink); color: var(--on-ink); border-radius: var(--r-xl); padding: 40px 32px; margin: 0 0 64px; }
.calc-cta h2 { color: var(--on-ink); margin-bottom: 10px; }
.calc-cta p { color: var(--on-ink-soft); max-width: 60ch; margin-bottom: 20px; }

@media (prefers-reduced-motion: reduce) {
  .calc-hub-card { transition: none; }
}