/* Page du participant aux tests utilisateurs : couleurs et formes de Socle (charles-peloye.com), clair et sombre. */

:root {
  --page: #f5f5f7;
  --surface: #ffffff;
  --texte: #1d1d1f;
  --texte-2: #48484a;
  --bordure: #d2d2d7;
  --primaire: #002de1;
  --primaire-survol: #0026bf;
  --sur-primaire: #ffffff;
  --secondaire: #e8e8ed;
  --secondaire-survol: #d2d2d7;
  --danger: #d70015;
  --danger-survol: #a50010;
  --focus: #002de1;
  --lien: #002de1;
  --scene: #161617;
  --rayon: 22px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #000000;
    --surface: #1c1c1e;
    --texte: #f5f5f7;
    --texte-2: #c7c7cc;
    --bordure: #48484a;
    --primaire: #4466ff;
    --primaire-survol: #3358f5;
    --sur-primaire: #ffffff;
    --secondaire: #2c2c2e;
    --secondaire-survol: #424245;
    --danger: #ff6961;
    --danger-survol: #ff8a84;
    --focus: #8ea4ff;
    --lien: #8ea4ff;
    --scene: #0b0b0c;
  }
}

* { box-sizing: border-box; }
html { background: var(--page); }
body { margin: 0; min-height: 100vh; background: var(--page); color: var(--texte); font-size: 1.0625rem; line-height: 1.55; }
h1 { font-size: 1.75rem; line-height: 1.2; margin: 0 0 0.75rem; letter-spacing: -0.01em; }
p { margin: 0 0 0.75rem; }
a { color: var(--lien); text-underline-offset: 0.15em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
[hidden] { display: none !important; }

.masque { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.evitement { position: absolute; left: 1rem; top: -4rem; background: var(--surface); color: var(--texte); padding: 0.5rem 1rem; border-radius: 999px; z-index: 10; }
.evitement:focus { top: 1rem; }

.entete { max-width: 72rem; margin: 0 auto; padding: 1.25rem 1rem 0.5rem; display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; align-items: baseline; }
.entete__nom { font-weight: 700; margin: 0; }
.entete__sous-titre { color: var(--texte-2); margin: 0; }

main { max-width: 72rem; margin: 0 auto; padding: 0.5rem 1rem 3rem; outline: none; }
.carte { background: var(--surface); border-radius: var(--rayon); padding: 1.5rem; max-width: 42rem; margin: 1rem auto 0; }
.aide { color: var(--texte-2); font-size: 0.9375rem; }
.alerte { color: var(--danger); font-weight: 600; margin-top: 0.75rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.25rem 0 1rem; }

.bouton { font: inherit; font-weight: 600; min-height: 48px; padding: 0.625rem 1.5rem; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--primaire); color: var(--sur-primaire); }
.bouton:hover { background: var(--primaire-survol); }
.bouton--secondaire { background: var(--secondaire); color: var(--texte); }
.bouton--secondaire:hover { background: var(--secondaire-survol); }
.bouton--secondaire[aria-pressed="true"] { background: var(--texte); color: var(--page); }
.bouton--danger { background: var(--danger); color: #ffffff; }
.bouton--danger:hover { background: var(--danger-survol); }
@media (prefers-color-scheme: dark) { .bouton--danger { color: #000000; } }
.bouton[aria-disabled="true"] { opacity: 0.6; cursor: progress; }

.apercu { margin: 1rem 0 0; border-radius: 16px; overflow: hidden; background: var(--scene); aspect-ratio: 16 / 9; max-width: 24rem; }
.apercu__video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); display: block; }

.seance { margin-top: 0.5rem; }
.scene { position: relative; display: grid; gap: 0.75rem; }
.scene__principal { position: relative; margin: 0; background: var(--scene); border-radius: var(--rayon); overflow: hidden; aspect-ratio: 16 / 9; }
.scene__principal video { width: 100%; height: 100%; object-fit: contain; display: block; }
.scene__attente { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; color: #f5f5f7; font-size: 1.125rem; text-align: center; padding: 1rem; }
.scene__vignettes { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.vignette { position: relative; margin: 0; width: min(14rem, calc(50% - 0.375rem)); aspect-ratio: 4 / 3; background: var(--scene); border-radius: 14px; overflow: hidden; }
.vignette video { width: 100%; height: 100%; object-fit: cover; display: block; }
.vignette [data-video-moi], [data-video-moi] { transform: scaleX(-1); }
.legende { position: absolute; left: 0.5rem; bottom: 0.5rem; margin: 0; padding: 0.125rem 0.625rem; border-radius: 999px; background: rgba(0, 0, 0, 0.66);
  color: #ffffff; font-size: 0.875rem; font-weight: 600; }
.commandes { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; }
.commandes .bouton--danger { margin-left: auto; }
.statut { color: var(--texte-2); margin-top: 0.75rem; }

@media (min-width: 1024px) {
  .scene { grid-template-columns: 1fr 15rem; align-items: start; }
  .scene__vignettes { flex-direction: column; }
  .vignette { width: 100%; }
}
@media (max-width: 599px) {
  h1 { font-size: 1.5rem; }
  .carte { padding: 1.25rem; }
  .commandes .bouton { flex: 1 1 100%; }
  .commandes .bouton--danger { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }