:root {
    --cuivre-principal: #B87333;
    --cuivre-fonce: #8B5A2B;
    --cuivre-clair: #CD7F32;
    --beige-fond: #F9F6F1;
    --beige-sable: #EDE8E0;
    --noir-charbon: #1C1C1C;
    --or-pale: #D4AF37;
}
body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, #F9F6F1 0%, #EDE8E0 100%);
    color: var(--noir-charbon);
    margin: 0;
}

/* ============ EN-TÊTE ============ */
.luxe-header { text-align:center; padding:60px 20px 30px; position:relative; overflow:hidden; }
.luxe-header::before { content:''; position:absolute; top:0; left:50%; transform:translateX(-50%); width:200px; height:3px; background:linear-gradient(90deg,transparent,var(--cuivre-principal),transparent); }
.luxe-header h1 { font-family:'Cormorant Garamond',serif; font-size:3.5rem; font-weight:400; letter-spacing:2px; text-transform:uppercase; margin:0 0 8px; }
.luxe-header .subtitle { font-family:'Cormorant Garamond',serif; font-style:italic; font-size:1.3rem; color:var(--cuivre-fonce); }

/* ============ MISE EN PAGE ============ */
.catalogue-layout { display:flex; gap:40px; max-width:1400px; margin:0 auto; padding:0 40px 80px; align-items:flex-start; }

/* ============ SIDEBAR ============ */
.filters-sidebar { flex:0 0 280px; position:sticky; top:20px; background:white; border-radius:20px; padding:30px 25px; box-shadow:0 10px 40px rgba(0,0,0,0.06); border:1px solid rgba(184,115,51,0.12); max-height:calc(100vh - 40px); overflow-y:auto; }
.filters-title { font-family:'Cormorant Garamond',serif; font-size:1.5rem; font-weight:600; margin:0 0 25px; padding-bottom:15px; border-bottom:2px solid var(--beige-sable); }
.filter-group { margin-bottom:30px; }
.filter-group h4 { font-size:0.8rem; font-weight:600; letter-spacing:1.5px; text-transform:uppercase; color:var(--cuivre-fonce); margin:0 0 14px; }

/* Lien "toutes les catégories" */
.tree-all { display:flex; align-items:center; gap:8px; padding:8px 10px; margin-bottom:8px; border-radius:10px; color:#555; font-size:0.85rem; font-weight:500; text-decoration:none; transition:all 0.2s; }
.tree-all:hover { background:var(--beige-fond); color:var(--cuivre-principal); }
.tree-all.active { background:rgba(184,115,51,0.1); color:var(--cuivre-principal); font-weight:600; }

/* Arbre de catégories */
.tree-node {}
.tree-label { display:flex; align-items:center; gap:8px; padding:9px 10px; border-radius:10px; color:#444; font-size:0.9rem; font-weight:500; cursor:pointer; text-decoration:none; transition:all 0.2s; }
.tree-label:hover { background:var(--beige-fond); color:var(--cuivre-principal); }
.tree-label.active { background:rgba(184,115,51,0.12); color:var(--cuivre-principal); font-weight:600; }
.tree-label .chevron { font-size:0.7rem; color:#bbb; transition:transform 0.25s; width:12px; display:inline-block; }
.tree-node.open > .tree-label .chevron { transform:rotate(90deg); }

/* Niveaux d'indentation */
.tree-children { overflow:hidden; max-height:0; transition:max-height 0.3s ease; }
.tree-node.open > .tree-children { max-height:600px; }
.tree-children .tree-label { padding-left:22px; font-size:0.85rem; }
.tree-children .tree-children .tree-leaf { padding-left:46px; }

/* Feuille (taille ou sous-catégorie sans enfant) */
.tree-leaf { display:flex; align-items:center; justify-content:space-between; padding:7px 10px 7px 22px; border-radius:8px; color:#666; font-size:0.85rem; text-decoration:none; transition:all 0.2s; }
.tree-children .tree-children .tree-leaf { padding-left:46px; }
.tree-leaf:hover { background:var(--beige-fond); color:var(--cuivre-principal); }
.tree-leaf.active { color:var(--cuivre-principal); font-weight:600; }

.tree-count { font-size:0.7rem; color:#aaa; background:var(--beige-fond); padding:1px 7px; border-radius:10px; min-width:22px; text-align:center; }
.tree-label.active .tree-count, .tree-leaf.active .tree-count { background:rgba(184,115,51,0.15); color:var(--cuivre-fonce); }

/* Prix */
.filter-price-link { display:flex; align-items:center; justify-content:space-between; padding:7px 10px; border-radius:8px; color:#666; font-size:0.85rem; text-decoration:none; transition:all 0.2s; }
.filter-price-link:hover { background:var(--beige-fond); color:var(--cuivre-principal); }
.filter-price-link.active { background:rgba(184,115,51,0.1); color:var(--cuivre-principal); font-weight:600; }

/* Disponibilité */
.filter-checkbox { display:flex; align-items:center; gap:10px; padding:8px 10px; cursor:pointer; color:#555; font-size:0.9rem; }
.filter-checkbox input { width:18px; height:18px; accent-color:var(--cuivre-principal); cursor:pointer; }

.btn-reset { display:block; width:100%; text-align:center; margin-top:10px; padding:12px; background:transparent; color:var(--cuivre-fonce); border:1px solid var(--beige-sable); border-radius:10px; text-decoration:none; font-size:0.85rem; font-weight:500; transition:all 0.3s; }
.btn-reset:hover { background:var(--beige-fond); border-color:var(--cuivre-clair); }

/* ============ CONTENU ============ */
.catalogue-content { flex:1; min-width:0; }
.catalogue-topbar { display:flex; gap:20px; align-items:center; margin-bottom:25px; flex-wrap:wrap; }
.search-container { flex:1; min-width:200px; }
.search-form { display:flex; background:white; border-radius:50px; box-shadow:0 8px 25px rgba(184,115,51,0.12); overflow:hidden; border:1px solid rgba(184,115,51,0.2); transition:all 0.3s; }
.search-form:focus-within { box-shadow:0 12px 35px rgba(184,115,51,0.22); transform:translateY(-2px); }
.search-form input { flex:1; border:none; padding:14px 25px; font-family:'Montserrat',sans-serif; font-size:14px; outline:none; background:transparent; }
.search-form input::placeholder { color:#999; font-style:italic; }
.search-form button { background:linear-gradient(135deg,var(--cuivre-principal),var(--cuivre-fonce)); color:white; border:none; padding:0 28px; cursor:pointer; font-weight:500; letter-spacing:1px; text-transform:uppercase; font-size:12px; transition:all 0.3s; }
.search-form button:hover { background:linear-gradient(135deg,var(--cuivre-fonce),var(--noir-charbon)); }

.sort-wrapper { display:flex; align-items:center; gap:10px; }
.sort-wrapper label { font-size:0.8rem; color:#888; text-transform:uppercase; letter-spacing:1px; white-space:nowrap; }
.sort-select { appearance:none; -webkit-appearance:none; background:white url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%238B5A2B' d='M6 8L0 0h12z'/></svg>") no-repeat right 15px center; border:1px solid rgba(184,115,51,0.3); border-radius:50px; padding:12px 40px 12px 20px; font-family:'Montserrat',sans-serif; font-size:0.85rem; cursor:pointer; outline:none; transition:all 0.3s; }
.sort-select:hover, .sort-select:focus { border-color:var(--cuivre-principal); box-shadow:0 5px 15px rgba(184,115,51,0.12); }

.active-tags { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:20px; }
.active-tag { display:inline-flex; align-items:center; gap:8px; background:var(--beige-fond); border:1px solid rgba(184,115,51,0.2); color:var(--cuivre-fonce); padding:5px 14px; border-radius:20px; font-size:0.8rem; text-decoration:none; transition:all 0.2s; }
.active-tag:hover { background:rgba(184,115,51,0.1); }
.active-tag .remove-x { font-weight:700; color:var(--cuivre-principal); }

.results-count { font-size:0.85rem; color:#888; margin-bottom:25px; }
.results-count strong { color:var(--cuivre-fonce); }

.btn-filters-mobile { display:none; background:linear-gradient(135deg,var(--cuivre-principal),var(--cuivre-fonce)); color:white; border:none; padding:12px 25px; border-radius:50px; font-family:'Montserrat',sans-serif; font-size:0.85rem; font-weight:600; letter-spacing:1px; cursor:pointer; text-transform:uppercase; }

/* ============ CARTES ============ */
.products-luxe { display:flex; flex-wrap:wrap; gap:30px; justify-content:center; }
.coffret-card { background:white; border-radius:20px; overflow:hidden; position:relative; box-shadow:0 20px 40px rgba(0,0,0,0.08); transition:all 0.4s cubic-bezier(0.4,0,0.2,1); border:1px solid rgba(184,115,51,0.1); display:flex; flex-direction:column; flex:1 1 280px; max-width:calc(33.333% - 20px); }
.coffret-card::before { content:''; position:absolute; top:0; left:0; right:0; height:5px; background:linear-gradient(90deg,var(--cuivre-principal),var(--or-pale),var(--cuivre-principal)); opacity:0; transition:opacity 0.3s; z-index:2; }
.coffret-card:hover { transform:translateY(-10px); box-shadow:0 30px 60px rgba(184,115,51,0.2); }
.coffret-card:hover::before { opacity:1; }
.image-container { position:relative; overflow:hidden; height:300px; }
.image-container img { width:100%; height:100%; object-fit:cover; transition:transform 0.6s; }
.coffret-card:hover .image-container img { transform:scale(1.08); }
.badge-category { position:absolute; top:20px; right:20px; background:rgba(255,255,255,0.95); color:var(--cuivre-fonce); padding:7px 14px; border-radius:30px; font-size:10px; font-weight:600; letter-spacing:1px; text-transform:uppercase; box-shadow:0 4px 15px rgba(0,0,0,0.1); border:1px solid rgba(184,115,51,0.3); }
.badge-stock-limite { position:absolute; top:20px; left:20px; background:linear-gradient(135deg,#dc3545,#c82333); color:white; padding:6px 12px; border-radius:20px; font-size:10px; font-weight:600; letter-spacing:1px; text-transform:uppercase; }
.contenu-coffret { padding:25px; display:flex; flex-direction:column; flex:1; }
.coffret-ref { font-size:0.72rem; color:var(--cuivre-clair); text-transform:uppercase; letter-spacing:1px; margin-bottom:8px; font-weight:500; }
.nom-coffret { font-family:'Cormorant Garamond',serif; font-size:1.6rem; font-weight:600; margin:0 0 10px; }
.nom-coffret a { text-decoration:none; color:inherit; position:relative; }
.nom-coffret a::after { content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px; background:var(--cuivre-principal); transition:width 0.3s; }
.nom-coffret a:hover::after { width:100%; }
.description-coffret { color:#666; line-height:1.7; font-size:0.9rem; margin-bottom:20px; min-height:75px; font-weight:300; }
.ligne-prix { display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; margin-top:auto; padding-top:18px; border-top:1px solid rgba(184,115,51,0.2); }
.prix-cuivre { font-family:'Cormorant Garamond',serif; font-size:1.9rem; font-weight:600; color:var(--cuivre-fonce); display:flex; align-items:baseline; gap:5px; }
.prix-cuivre .devise { font-size:0.9rem; font-family:'Montserrat',sans-serif; font-weight:400; color:var(--cuivre-clair); }
.stock-info { font-size:0.8rem; color:#888; }
.stock-info.low { color:#dc3545; font-weight:600; }
.btn-decouvrir { display:block; width:100%; background:linear-gradient(135deg,var(--cuivre-principal),var(--cuivre-fonce)); color:white; text-align:center; padding:14px; border-radius:12px; text-decoration:none; font-weight:600; letter-spacing:1px; text-transform:uppercase; font-size:0.8rem; transition:all 0.3s; position:relative; overflow:hidden; }
.btn-decouvrir::before { content:''; position:absolute; top:0; left:-100%; width:100%; height:100%; background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent); transition:left 0.5s; }
.btn-decouvrir:hover::before { left:100%; }
.btn-decouvrir:hover { box-shadow:0 10px 30px rgba(184,115,51,0.4); transform:translateY(-2px); }

.aucun-coffret { text-align:center; padding:80px 20px; grid-column:1/-1; }
.aucun-coffret h3 { font-family:'Cormorant Garamond',serif; font-size:2rem; color:var(--cuivre-fonce); margin-bottom:10px; }
.aucun-coffret p { color:#888; margin-bottom:25px; }

/* ============ RESPONSIVE ============ */
@media (max-width:992px) { .filters-sidebar { flex:0 0 240px; } }
@media (max-width:768px) {
    .luxe-header h1 { font-size:2.2rem; }
    .catalogue-layout { flex-direction:column; padding:0 20px 60px; gap:25px; }
    .filters-sidebar { position:static; flex:none; display:none; max-height:none; }
    .filters-sidebar.open { display:block; }
    .btn-filters-mobile { display:inline-flex; align-items:center; gap:8px; }
    .sort-wrapper { width:100%; justify-content:space-between; }
    .products-luxe { gap:25px; }
    .coffret-card { max-width:100%; }
}