/* =========================================================
   Revisly — l’atelier : pages « Vidéo YouTube » et « Photo de cours »
   S'appuie sur dashboard.css : mêmes jetons, mêmes cartes.
   ========================================================= */
.at{max-width:860px;width:100%;margin:0 auto}

/* ---------- le lien ---------- */
.at-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center}
.at-champ{
  display:flex;align-items:center;gap:10px;min-width:0;
  background:var(--surface-soft);border:.8px solid var(--surface-border);
  border-radius:12px;padding:10px 14px;
  transition:border-color .18s,box-shadow .18s;
}
.at-champ:focus-within{border-color:var(--sky);box-shadow:0 0 0 3px rgba(26,122,184,.22)}
.at-logo{width:24px;height:24px;flex:none}
.at-champ input{
  flex:1;min-width:0;background:none;border:0;outline:0;
  color:var(--ink-primary);font:inherit;font-size:.9375rem;
}
.at-champ input::placeholder{color:var(--ink-tertiary)}
.at-form .btn{padding:11px 18px}
.at-form .btn[disabled]{opacity:.6;pointer-events:none}
.at-aide{grid-column:1/-1;font-size:.8125rem;color:var(--ink-tertiary)}

/* ---------- les photos ---------- */
.at-photos{display:flex;flex-direction:column;gap:16px}
.at-depot{
  display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;
  padding:28px 20px;border-radius:14px;border:1.5px dashed var(--border-fort);
  background:var(--surface-soft);transition:border-color .18s,background-color .18s;
}
.at-depot.survol{border-color:var(--sky);background:var(--sky-tint)}
.at-depot-ico{width:36px;height:36px;color:var(--sky-soft);margin-bottom:4px}
.at-depot b{font-size:1rem;font-weight:600}
.at-depot p{font-size:.875rem;color:var(--ink-tertiary);max-width:28rem}
.at-depot-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.at-vignettes{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px}
.at-vignette-photo{position:relative;margin:0}
.at-vignette-photo img{
  display:block;width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;
  border:.8px solid var(--surface-border);background:var(--surface-soft);
}
.at-vignette-photo figcaption{margin-top:4px;font-size:.75rem;color:var(--ink-tertiary);text-align:center}
.at-retirer{
  position:absolute;top:6px;right:6px;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:1rem;line-height:1;
  background:rgba(0,0,0,.65);color:#fff;
}
.at-retirer:hover{background:var(--blush)}
.at-photos-pied{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.at-photos-pied span{font-size:.875rem;color:var(--ink-secondary)}
.at-photos-pied .btn[disabled]{opacity:.6;pointer-events:none}

/* ---------- l'avancement : une barre et un pourcentage ---------- */
.at-progression-tete{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:.9375rem;color:var(--ink-secondary)}
.at-progression-tete b{font-size:1.125rem;font-weight:700;color:var(--ink-primary);font-variant-numeric:tabular-nums}
.at-barre{margin-top:10px;height:12px;border-radius:999px;background:var(--track);overflow:hidden}
.at-barre i{
  display:block;height:100%;width:0;border-radius:inherit;
  background:linear-gradient(90deg,var(--sky-soft),var(--sky));
  transition:width .35s ease;
}
.at-progression.fini .at-barre i{background:var(--moss)}
.at-progression.rate .at-barre i{background:var(--blush)}
.at-progression.rate .at-progression-tete b{color:var(--ink-ko)}
@keyframes atTourne{to{transform:rotate(360deg)}}
.at-erreur{
  margin-top:14px;padding:12px 14px;border-radius:10px;font-size:.875rem;
  background:rgba(207,86,71,.12);border:.8px solid rgba(207,86,71,.4);color:var(--ink-ko);
}
.at-erreur a{text-decoration:underline}

/* ---------- la vidéo ---------- */
.at-resultat{display:flex;flex-direction:column;gap:16px}
.at-video{display:flex;align-items:center;gap:16px;padding:14px}
.at-vignette{
  width:160px;height:90px;flex:none;border-radius:10px;object-fit:cover;
  background:var(--surface-soft);
}
.at-video-txt{display:flex;flex-direction:column;gap:4px;min-width:0}
.at-video-txt b{font-size:1rem;font-weight:600;line-height:1.35}
.at-video-txt span{font-size:.8125rem;color:var(--ink-tertiary)}
.at-video-txt a{font-size:.8125rem;color:var(--sky-soft);width:max-content}
.at-video-txt a:hover{text-decoration:underline}

.at-sauve{font-size:.875rem;color:var(--ink-secondary)}
.at-sauve a{color:var(--sky-soft);text-decoration:underline;text-underline-offset:2px}

/* ---------- le résumé ---------- */
.at-resume{font-size:.96875rem;line-height:1.7;color:var(--ink-secondary)}
.at-resume h2{margin:22px 0 8px;font-size:1.0625rem;font-weight:650;color:var(--ink-primary)}
.at-resume p{margin:0 0 10px}
.at-resume p em{font-size:.8125rem;color:var(--ink-tertiary)}
.at-resume h3{margin:14px 0 6px;font-size:.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--sky-soft)}
.at-resume ul{margin:0 0 6px;padding-left:20px;list-style:disc}
.at-resume ol{margin:0;padding-left:22px;list-style:decimal}
.at-resume li{margin:4px 0}
.at-resume strong{color:var(--ink-primary);font-weight:650}
.at-resume a{color:var(--sky-soft);text-decoration:underline}

.at-attente{display:flex;align-items:center;gap:10px;font-size:.9375rem;color:var(--ink-tertiary)}
.at-attente::before{
  content:"";width:16px;height:16px;flex:none;border-radius:50%;
  border:2px solid var(--track);border-top-color:var(--sky-soft);animation:atTourne .8s linear infinite;
}
.at-attente.vide::before{display:none}

/* ---------- les flashcards ---------- */
.at-cartes{display:flex;flex-direction:column;align-items:center;gap:16px}
.at-carte{display:block;width:100%;max-width:560px;height:240px;perspective:1200px;text-align:center}
.at-carte-in{
  position:relative;display:block;width:100%;height:100%;
  transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);
}
.at-carte.tourne .at-carte-in{transform:rotateY(180deg)}
.at-face{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:24px 32px;border-radius:16px;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  background:var(--surface-soft);border:.8px solid var(--surface-border);
}
.at-face b{font-size:1.125rem;font-weight:600;line-height:1.45;color:var(--ink-primary)}
.at-dos{transform:rotateY(180deg);background:var(--surface-reponse);border-color:var(--sky-border)}
.at-dos b{color:var(--ink-reponse)}
.at-tag{font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-tertiary)}
.at-dos .at-tag{color:var(--sky-soft)}
.at-indice{font-size:.75rem;color:var(--ink-tertiary)}
.at-nav{display:flex;align-items:center;gap:16px;font-size:.875rem;color:var(--ink-secondary);font-variant-numeric:tabular-nums}

/* ---------- le quiz ---------- */
.at-quiz{display:flex;flex-direction:column;gap:14px}
.at-quiz-tete{display:flex;justify-content:space-between;font-size:.8125rem;color:var(--ink-tertiary);font-variant-numeric:tabular-nums}
.at-enonce{font-size:1.0625rem;font-weight:600;line-height:1.45}
.at-options{display:flex;flex-direction:column;gap:10px}
.at-option{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  padding:12px 16px;border-radius:12px;font-size:.9375rem;
  background:var(--surface-soft);border:.8px solid var(--surface-border);border-bottom-width:3px;
  transition:background-color .2s,border-color .2s,color .2s;
}
.at-option:hover:not([disabled]){background:var(--surface-soft-hover)}
.at-option[disabled]{cursor:default}
.at-option .lettre{
  width:24px;height:24px;flex:none;border-radius:7px;display:flex;align-items:center;justify-content:center;
  font-size:.75rem;font-weight:700;background:var(--surface-icon);color:var(--ink-tertiary);
}
.at-option.juste{background:rgba(78,163,90,.16);border-color:var(--moss);color:var(--ink-ok)}
.at-option.faux{background:rgba(207,86,71,.14);border-color:var(--blush);color:var(--ink-ko)}
.at-explication{
  padding:12px 14px;border-radius:10px;font-size:.875rem;line-height:1.6;
  background:var(--surface-soft);border:.8px solid var(--surface-border);color:var(--ink-secondary);
}
.at-quiz .btn{align-self:flex-end}
.at-bilan{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px 0;text-align:center}
.at-bilan b{font-size:1.5rem;font-weight:700}
.at-bilan p{font-size:.9375rem;color:var(--ink-secondary)}
.at-bilan .btn{margin-top:8px}

@media (max-width:640px){
  .at-form{grid-template-columns:1fr}
  .at-video{flex-direction:column;align-items:flex-start}
  .at-vignette{width:100%;height:auto;aspect-ratio:16/9}
  .at-carte{height:260px}
}
@media (prefers-reduced-motion: reduce){
  .at-carte-in{transition:none}
  .at-attente::before{animation:none}
  .at-barre i{transition:none}
}