/* ------------------------------------------------------------------
   Gabarit outil — feuille de style unique.
   Aucune dépendance externe : pas de police web, pas de framework.
   Objectif : premier rendu sous 1 s sur mobile 4G.
   La couleur d'accent est injectée par build.mjs depuis site.config.json.
   ------------------------------------------------------------------ */

:root {
  color-scheme: light;
  /* --accent-base est reecrit par _layout.html depuis site.couleurAccent.
     Ne jamais utiliser --accent-base directement : passer par --accent, qui
     s'eclaircit automatiquement en theme sombre pour rester lisible. */
  --accent-base: #2a78d6;
  --accent: var(--accent-base);
  --accent-ink: #ffffff;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f2f1ed;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --line: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --good: #006c08;
  --warn: #fab219;
  --crit: #d03b3b;
  --wash: color-mix(in srgb, var(--accent) 7%, transparent);
  --voile: color-mix(in srgb, var(--accent) 13%, transparent);
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    /* Un bleu institutionnel est trop sombre sur fond noir : on l'eclaircit
       et on inverse l'encre des boutons pleins, sinon le contraste tombe
       sous le seuil WCAG AA. */
    --accent: color-mix(in srgb, var(--accent-base) 58%, #ffffff);
    --accent-ink: #08182b;
    --good: #4fbe57;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232322;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --line: #2c2c2a;
    --border: rgba(255,255,255,0.10);
    --wash: color-mix(in srgb, var(--accent) 16%, transparent);
    --voile: color-mix(in srgb, var(--accent) 22%, transparent);
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --accent: color-mix(in srgb, var(--accent-base) 58%, #ffffff);
  --accent-ink: #08182b;
  --good: #4fbe57;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232322;
  --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
  --line: #2c2c2a; --border: rgba(255,255,255,0.10);
  --wash: color-mix(in srgb, var(--accent) 16%, transparent);
  --voile: color-mix(in srgb, var(--accent) 22%, transparent);
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.wrap-narrow { max-width: 720px; margin: 0 auto; padding: 0 20px; }

/* ---------- en-tête ---------- */
.site-header {
  border-top: 3px solid var(--accent);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: saturate(180%) blur(8px);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; height: 60px;
}
.brand {
  font-weight: 650; font-size: 16.5px; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none; display: inline-flex;
  align-items: center; gap: 9px;
}
.brand .mark {
  width: 22px; height: 22px; border-radius: 6px;
  background: linear-gradient(140deg, var(--accent),
              color-mix(in srgb, var(--accent) 62%, #000));
  flex-shrink: 0;
}
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  color: var(--ink-2); text-decoration: none; font-size: 14px;
  padding: 7px 11px; border-radius: 8px;
}
.nav a:hover { color: var(--ink); background: var(--surface-2); }
.icon-btn {
  background: none; border: 1px solid var(--border); color: var(--ink-2);
  border-radius: 8px; width: 34px; height: 34px; cursor: pointer;
  display: grid; place-items: center; font-size: 15px; font-family: inherit;
}
.icon-btn:hover { color: var(--ink); }

/* ---------- sélecteur de langue ---------- */
.langues { display: flex; align-items: center; gap: 4px; }
.nav .langues a {
  border: 1px solid var(--border); font-size: 13px;
  padding: 6px 10px; line-height: 1.2;
}
.nav .langues a:hover { border-color: var(--accent); color: var(--ink); }

/* Sous 620 px les liens de navigation disparaissent au profit du seul
   outil. Le lien de langue, lui, reste : un lecteur anglophone arrivé sur
   la version française n'a aucun autre moyen d'en sortir, et il ne pense
   pas à faire pivoter son téléphone pour le découvrir. */
@media (max-width: 620px) {
  .nav a { display: none; }
  .nav .langues a { display: inline-block; }
}

/* ---------- hero ---------- */
.hero {
  padding: 46px 0 34px;
  background:
    radial-gradient(900px 320px at 12% -30%, var(--voile), transparent 68%),
    var(--surface);
  border-bottom: 1px solid var(--line);
}
h1 {
  font-size: clamp(25px, 4.4vw, 36px); line-height: 1.18;
  letter-spacing: -0.022em; margin: 0 0 12px; max-width: 20ch;
}
/* Filet d'accent sous le titre : la seule touche de couleur du haut de page
   qui ne depende pas d'un aplat, donc lisible dans les deux themes. */
h1::after {
  content: ""; display: block; width: 54px; height: 3px; border-radius: 2px;
  background: var(--accent); margin-top: 14px;
}
.hero .lede {
  color: var(--ink-2); font-size: 17px; margin: 14px 0 0; max-width: 62ch;
}

/* ---------- outil ---------- */
.tool {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  margin: 28px 0 40px; align-items: start;
}
@media (max-width: 860px) { .tool { grid-template-columns: 1fr; } }

.panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.panel h2 { font-size: 15px; margin: 0 0 18px; letter-spacing: 0.02em;
  text-transform: uppercase; color: var(--accent); font-weight: 600; }

.field { margin-bottom: 18px; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: block; font-size: 14.5px; font-weight: 550;
  margin-bottom: 6px; color: var(--ink);
}
.field .aide { font-size: 12.5px; color: var(--muted); margin-top: 5px; line-height: 1.45; }
.field label .opt {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--muted); background: var(--surface-2);
  border-radius: 5px; padding: 2px 6px; margin-left: 8px; vertical-align: 1px;
}

/* Bloc replie des champs facultatifs, en bas du formulaire. */
.facultatifs {
  margin-top: 22px; border-top: 1px solid var(--line); padding-top: 16px;
}
.facultatifs > summary {
  cursor: pointer; font-size: 14.5px; font-weight: 550; color: var(--accent);
  list-style: none; display: flex; align-items: center; gap: 8px;
}
.facultatifs > summary::-webkit-details-marker { display: none; }
.facultatifs > summary::before {
  content: ""; width: 7px; height: 7px; flex-shrink: 0;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(-45deg); transition: transform .15s;
}
.facultatifs[open] > summary::before { transform: rotate(45deg); }
.facultatifs > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.facultatifs > .aide { margin: 10px 0 16px; max-width: 54ch; }
.facultatifs > .field:first-of-type { margin-top: 16px; }

.input-wrap { position: relative; display: flex; align-items: center; }
.field input[type="number"], .field input[type="text"], .field select {
  width: 100%; font: inherit; font-size: 16px;
  padding: 10px 12px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--page);
  color: var(--ink); font-variant-numeric: tabular-nums;
  appearance: none; -webkit-appearance: none;
}
.field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
                    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
  padding-right: 34px;
}
.field input:focus, .field select:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent;
}
/* Liste combinee : un seul champ, qui deroule au clic et filtre a la frappe.
   Construite par app.js des qu'un menu depasse `seuilRecherche` options. */
.combo { position: relative; width: 100%; }
.combo .combo-champ {
  width: 100%; font: inherit; font-size: 16px;
  padding: 10px 34px 10px 12px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--page); color: var(--ink);
  text-overflow: ellipsis;
}
.combo .combo-champ::placeholder { color: var(--muted); }
.combo .combo-champ:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent;
}
.combo .combo-fleche {
  position: absolute; right: 13px; top: 18px; pointer-events: none;
  width: 9px; height: 9px; border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted); transform: rotate(45deg) translate(-2px, -2px);
}
.combo .combo-liste {
  position: absolute; z-index: 40; top: calc(100% + 5px); left: 0; right: 0;
  max-height: 290px; overflow-y: auto; margin: 0; padding: 5px;
  list-style: none; background: var(--surface); color: var(--ink);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.combo .combo-liste li {
  padding: 8px 10px; border-radius: 7px; font-size: 14.5px;
  cursor: pointer; line-height: 1.4;
}
.combo .combo-liste li:hover { background: var(--surface-2); }
.combo .combo-liste li[aria-selected="true"] {
  background: var(--accent); color: var(--accent-ink);
}
.combo .combo-vide { color: var(--muted); cursor: default; font-style: italic; }
.combo .combo-vide:hover { background: none; }

.field .unite {
  position: absolute; right: 12px; color: var(--muted);
  font-size: 14px; pointer-events: none;
}
.field.has-unite input { padding-right: 62px; }

/* `[hidden]` doit battre les `display` explicites des composants (.btn est
   en inline-flex) : sans le !important, un bloc verrouillé reste visible. */
[hidden] { display: none !important; }

.field label.switch { display: flex; align-items: center; gap: 11px;
  cursor: pointer; font-weight: 550; margin-bottom: 0; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .track {
  width: 42px; height: 24px; border-radius: 99px; background: var(--surface-2);
  border: 1px solid var(--border); position: relative; transition: background .15s; flex-shrink: 0;
}
.switch .track::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 18px; height: 18px; border-radius: 50%; background: var(--muted);
  transition: transform .15s, background .15s;
}
.switch input:checked + .track { background: var(--accent); border-color: var(--accent); }
.switch input:checked + .track::after { transform: translateX(18px); background: #fff; }
.switch input:focus-visible + .track { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- résultat ---------- */
.result { position: sticky; top: 80px; }
@media (max-width: 860px) { .result { position: static; } }

.headline { padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.headline .k { font-size: 13px; color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.04em; font-weight: 600; }
.headline .v {
  font-size: clamp(34px, 6vw, 46px); font-weight: 650; letter-spacing: -0.03em;
  line-height: 1.05; margin: 6px 0 2px; color: var(--accent);
}
.headline .sub { font-size: 14px; color: var(--ink-2); }

.lines { list-style: none; padding: 0; margin: 0; }
.lines li {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14.5px;
}
.lines li:last-child { border-bottom: 0; }
.lines .l { color: var(--ink-2); }
.lines .r { font-variant-numeric: tabular-nums; font-weight: 550; white-space: nowrap; }
.lines li.total { border-top: 1px solid var(--ink-2); border-bottom: 0;
  margin: 8px -12px 0; padding: 12px; font-weight: 650;
  background: var(--wash); border-radius: 0 0 9px 9px; }
.lines li.total .l { color: var(--ink); }
.lines li.total .r { color: var(--accent); font-size: 16px; }
.lines .pct { color: var(--muted); font-weight: 400; font-size: 13px; margin-left: 7px; }

.warnings { margin: 16px 0 0; padding: 0; list-style: none; }
.warnings li {
  font-size: 13px; color: var(--ink-2); background: var(--wash);
  border-radius: 8px; padding: 9px 12px; margin-bottom: 7px; line-height: 1.45;
}

.actions { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 20px; }
.btn {
  font: inherit; font-size: 14.5px; font-weight: 550; cursor: pointer;
  border-radius: 9px; padding: 10px 16px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--ink); text-decoration: none;
  display: inline-flex; align-items: center; gap: 7px;
}
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn-primary:hover { filter: brightness(1.07); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.note-calcul { font-size: 12.5px; color: var(--muted); margin-top: 16px; line-height: 1.5; }

/* ---------- offre payante ---------- */
.offer {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 22px; margin: 36px 0;
}
.offer h3 { margin: 0 0 6px; font-size: 18px; letter-spacing: -0.01em; }
.offer .accroche { color: var(--ink-2); margin: 0 0 14px; max-width: 60ch; }
.offer ul { margin: 0 0 18px; padding-left: 20px; color: var(--ink-2); font-size: 14.5px; }
.offer li { margin: 4px 0; }
.offer .prix { font-size: 22px; font-weight: 650; letter-spacing: -0.02em; margin-right: 12px; }
.offer .row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.unlock { margin-top: 14px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.unlock input {
  font: inherit; font-size: 14px; padding: 8px 11px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--page); color: var(--ink); width: 190px;
}
.unlock .msg { font-size: 13px; }
.unlock .msg.ok { color: var(--good); }
.unlock .msg.ko { color: var(--crit); }

/* ---------- contenu éditorial ---------- */
.prose { max-width: 68ch; }
.prose h2 { font-size: 22px; margin: 40px 0 10px; letter-spacing: -0.015em; }
.prose h3 { font-size: 17px; margin: 26px 0 6px; }
.prose p { color: var(--ink-2); margin: 0 0 14px; }
.prose ul, .prose ol { color: var(--ink-2); padding-left: 22px; }
.prose li { margin: 5px 0; }
.prose a { color: var(--accent); }
.prose table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 16px 0; }
.prose th { text-align: left; font-size: 12.5px; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--muted); border-bottom: 1px solid var(--line); padding: 8px 10px; }
.prose td { padding: 9px 10px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.prose td:last-child, .prose th:last-child { text-align: right; font-variant-numeric: tabular-nums; }

.faq details {
  border-bottom: 1px solid var(--line); padding: 14px 0;
}
.faq summary {
  cursor: pointer; font-weight: 550; font-size: 15.5px; list-style: none;
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-size: 19px; flex-shrink: 0; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 10px 0 0; color: var(--ink-2); font-size: 14.5px; }

.sources-list { list-style: none; padding: 0; font-size: 14px; }
.sources-list li { padding: 9px 0; border-bottom: 1px solid var(--line); }
.sources-list .date { color: var(--muted); font-size: 12.5px; }

/* ---------- pied ---------- */
.site-footer {
  margin-top: 72px; border-top: 1px solid var(--line);
  background: var(--surface); padding: 30px 0 44px;
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer a { color: var(--ink-2); text-decoration: none; font-size: 14px; display: block; padding: 3px 0; }
.site-footer a:hover { color: var(--ink); }
.site-footer .legal { color: var(--muted); font-size: 12.5px; max-width: 46ch; line-height: 1.5; }

.skip {
  position: absolute; left: -9999px; background: var(--accent); color: #fff;
  padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 100;
}
.skip:focus { left: 0; top: 0; }

@media print {
  .site-header, .site-footer, .actions, .offer, .form-panel { display: none !important; }
  /* Le PDF est un livrable vendu : il porte le resultat et les sources
     datees, pas le contenu editorial ni la FAQ de la page d'accueil. */
  .prose:not(.prose-sources) { display: none !important; }
  .hero .lede { display: none !important; }
  body { background: #fff; color: #000; }
  .panel { border: 0; box-shadow: none; padding: 0; }
  /* Les aplats teintes ruinent une impression laser : on les retire, mais on
     garde le filet sous le titre, qui sort proprement en noir. */
  .hero { background: none; border-bottom: 0; padding: 0 0 12px; }
  .lines li.total { background: none; margin: 8px 0 0; padding: 12px 0 0; }
}