/* Reset, typographie, mise en page générale */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
  font-family: var(--police);
  font-size: 15px;
  line-height: 1.5;
}
h1, h2, h3, h4 { margin: 0; line-height: 1.25; font-weight: 600; }
h1 { font-size: 24px; letter-spacing: -.01em; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }
p { margin: 0; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.nombre { font-variant-numeric: tabular-nums; white-space: nowrap; }
.doux { color: var(--texte-doux); }
.pale { color: var(--texte-pale); }
.petit { font-size: 13px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Coquille ---------- */
.coquille { display: grid; grid-template-columns: 240px minmax(0, 1fr); min-height: 100vh; }

.barre-laterale {
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; gap: 4px;
  padding: 20px 14px;
  background: var(--surface);
  border-right: 1px solid var(--bordure);
}
.marque { display: flex; align-items: center; gap: 10px; padding: 4px 8px 20px; }
.marque-logo {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--accent); color: var(--sur-accent);
}
.marque-titre { font-weight: 700; font-size: 15px; line-height: 1.2; }
.marque-sous { font-size: 12px; color: var(--texte-doux); }

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 10px;
  color: var(--texte-doux); text-decoration: none; font-weight: 500;
}
.nav a:hover { background: var(--surface-2); color: var(--texte); }
.nav a[aria-current="page"] { background: var(--accent-doux); color: var(--accent-fort); }
.nav svg { width: 18px; height: 18px; flex: none; }
.nav-pied { margin-top: auto; padding: 8px; font-size: 12px; color: var(--texte-pale); }

.principal { min-width: 0; padding: 24px 32px 48px; }
.contenu { max-width: 1200px; margin: 0 auto; }
.contenu:focus { outline: none; }

.entete {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  max-width: 1200px; margin: 0 auto 24px;
}
.entete-titre .doux { font-size: 13px; }
.entete-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.grille { display: grid; gap: var(--espace); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-2-1 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.pile { display: flex; flex-direction: column; gap: var(--espace); }
.ligne { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ecart { justify-content: space-between; }
.section { margin-top: 20px; }
.section-titre { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }

/* ---------- Mobile ---------- */
.nav-mobile { display: none; }

@media (max-width: 1100px) {
  .g-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g-2-1 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 900px) {
  .coquille { grid-template-columns: 68px minmax(0, 1fr); }
  .marque-texte, .nav a span, .nav-pied { display: none; }
  .marque { padding: 4px 2px 20px; justify-content: center; }
  .nav a { justify-content: center; }
  .principal { padding: 20px; }
  .g-3 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  body { font-size: 14px; }
  .coquille { grid-template-columns: minmax(0, 1fr); }
  .barre-laterale { display: none; }
  .principal { padding: 16px 16px 96px; }
  .g-2, .g-4 { grid-template-columns: minmax(0, 1fr); }
  h1 { font-size: 21px; }
  .nav-mobile {
    display: flex; position: fixed; inset: auto 0 0 0; z-index: 20;
    background: var(--surface); border-top: 1px solid var(--bordure);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
    overflow-x: auto; scrollbar-width: none;
  }
  .nav-mobile a {
    flex: 1 0 64px; display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 6px 2px; border-radius: 10px;
    color: var(--texte-doux); text-decoration: none; font-size: 11px; font-weight: 500;
  }
  .nav-mobile a[aria-current="page"] { color: var(--accent-fort); background: var(--accent-doux); }
  .nav-mobile svg { width: 20px; height: 20px; }
}

@media print {
  .barre-laterale, .nav-mobile, .entete-actions { display: none !important; }
  .coquille { display: block; }
}