:root{
  --brand:#ff6a00;
  --brand-700:#e65d00;
  --blue:#2563eb;
  --ink:#111827;
  --text:#263244;
  --muted:#6b7280;
  --line:#e9edf3;
  --soft:#f7f8fb;
  --success:#16a34a;
  --danger:#dc2626;
  --shadow:0 14px 36px rgba(17,24,39,.08);
}

*{box-sizing:border-box}
body{background:#fff;color:var(--text)}
a{text-decoration:none!important;color:inherit}

.article-detail-container{
  max-width:1180px;
  margin:0 auto;
  padding:8px 12px 92px;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);
  gap:28px;
}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  margin:2px 0 10px;
  color:var(--muted);
  font-size:.92rem;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb .sep{color:#c3c8d1}

.article-gallery h1{
  margin:0 0 16px;
  color:var(--ink);
  font-size:clamp(1.55rem,3vw,2.35rem);
  line-height:1.12;
  font-weight:850;
  letter-spacing:0;
}

.gallery-slider{
  position:relative;
  overflow:hidden;
  border-radius:8px;
  background:#f3f4f6;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.gallery-slide{display:none}
.gallery-slide.active{display:block}
.gallery-slide img{
  display:block;
  width:100%;
  height:min(64vh,620px);
  object-fit:contain;
  background:#fff;
}

.gallery-thumbnails{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:12px 2px 2px;
  scroll-snap-type:x proximity;
}
.thumbnail{
  width:78px;
  height:78px;
  flex:0 0 78px;
  object-fit:cover;
  border-radius:8px;
  border:2px solid transparent;
  background:#fff;
  box-shadow:0 4px 12px rgba(17,24,39,.08);
  cursor:pointer;
  scroll-snap-align:start;
}
.thumbnail.active{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,106,0,.16);
}

.article-info{
  align-self:start;
  position:sticky;
  top:86px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:8px;
  box-shadow:var(--shadow);
  padding:22px;
}
.article-price-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-bottom:12px;
}
.prix{
  margin:0;
  color:var(--brand);
  font-size:clamp(1.7rem,3vw,2.35rem);
  line-height:1;
  font-weight:900;
  white-space:nowrap;
}
.stock-pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:6px 10px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:800;
}
.stock-pill.in{background:#ecfdf3;color:var(--success)}
.stock-pill.out{background:#fef2f2;color:var(--danger)}
.description{
  margin:0 0 18px;
  color:#354154;
  font-size:1rem;
  line-height:1.7;
}

.seller-panel{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:12px;
  padding:12px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--soft);
  margin-bottom:18px;
}
.seller-avatar{
  width:48px;
  height:48px;
  border-radius:50%;
  overflow:hidden;
  display:grid;
  place-items:center;
  background:#eef3ff;
  color:var(--blue);
  font-weight:900;
}
.seller-avatar img{width:100%;height:100%;object-fit:cover;display:block}
.seller-copy{display:flex;flex-direction:column;min-width:0}
.seller-copy strong{
  color:var(--ink);
  font-size:1rem;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.seller-copy small,.seller-label{color:var(--muted);font-size:.82rem}
.seller-panel i{color:#a0a7b4}

.btn-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:6px 0 16px;
}
.btn{
  min-height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  border-radius:8px;
  border:1px solid transparent;
  padding:11px 16px;
  font-weight:800;
  transition:transform .12s ease, background .12s ease, box-shadow .12s ease;
}
.btn:active{transform:translateY(1px)}
.acheter-btn{
  background:var(--brand);
  color:#fff!important;
  box-shadow:0 12px 24px rgba(255,106,0,.24);
}
.acheter-btn:hover{background:var(--brand-700);color:#fff!important}
.acheter-btn.disabled,.acheter-btn:disabled{
  background:#9ca3af;
  box-shadow:none;
  cursor:not-allowed;
}
.modifier-btn{
  background:#eef3ff;
  color:#1d4ed8!important;
  border-color:#dbe6ff;
  box-shadow:none;
}

.trust{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px;
}
.trust .t{
  min-height:64px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:6px;
  padding:10px;
  border-radius:8px;
  background:#fafafa;
  border:1px solid var(--line);
  color:#4b5563;
  font-size:.82rem;
  font-weight:700;
}
.trust .t i{color:var(--brand);font-size:1rem}

.similar-articles{
  grid-column:1 / -1;
  margin-top:8px;
}
.similar-articles h2{
  margin:12px 0 14px;
  color:var(--ink);
  font-size:1.35rem;
  font-weight:850;
}
.similar-list{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(180px,1fr));
  gap:14px;
}
.similar-card{
  border:1px solid var(--line);
  border-radius:8px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 10px 24px rgba(17,24,39,.06);
}
.similar-card img{
  display:block;
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  background:#f3f4f6;
}
.similar-card h3{
  margin:10px 10px 4px;
  color:var(--ink);
  font-size:.98rem;
  line-height:1.25;
  font-weight:800;
}
.similar-card .prix{
  margin:0 10px 12px;
  color:var(--brand);
  font-size:.98rem;
}

.sticky-bar{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:50;
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);
  border-top:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(14px);
}
.sticky-bar .p{
  color:var(--brand);
  font-size:1.05rem;
  font-weight:900;
  white-space:nowrap;
}

a:focus-visible,button:focus-visible,.thumbnail:focus-visible{
  outline:3px solid rgba(255,106,0,.28);
  outline-offset:2px;
}

@media (max-width:992px){
  .article-detail-container{
    grid-template-columns:1fr;
    gap:18px;
  }
  .article-info{position:static}
}

@media (max-width:768px){
  .article-detail-container{padding:0 0 86px}
  .breadcrumb,.article-gallery h1,.gallery-thumbnails,.article-info,.similar-articles{
    margin-left:12px;
    margin-right:12px;
  }
  .gallery-slider{border-radius:0;border-left:0;border-right:0}
  .gallery-slide img{height:min(58vh,420px)}
  .article-info{padding:16px}
  .trust{grid-template-columns:1fr 1fr 1fr}
  .trust .t{font-size:.74rem}
  .sticky-bar{display:flex}
}

@media (max-width:430px){
  .btn-row .btn{width:100%}
  .trust{grid-template-columns:1fr}
  .similar-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}