/* ===== Print3D Occasions ===== */
:root {
  --orange: #f56b2a;
  --orange-fonce: #d9531e;
  --bleu: #1a3c5e;
  --fond: #f7f7f9;
  --carte: #ffffff;
  --texte: #2c2c34;
  --gris: #7d7d8a;
  --bord: #e4e4ea;
  --rayon: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--fond); color: var(--texte);
  font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img { display: block; }

/* En-tête */
header { background: #fff; border-bottom: 1px solid var(--bord); position: sticky; top: 0; z-index: 50; }
.header-inner {
  max-width: 1100px; margin: 0 auto; padding: 12px 16px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.logo { font-size: 1.4rem; font-weight: 800; color: var(--bleu); }
.logo span { color: var(--orange); }
nav { margin-left: auto; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.nav-lien { color: var(--texte); font-size: .95rem; }
.nav-lien:hover, .nav-lien.actif { color: var(--orange); }
.pastille {
  background: var(--orange); color: #fff; border-radius: 99px;
  padding: 0 7px; font-size: .75rem; font-weight: 700;
}

/* Boutons */
.btn {
  display: inline-block; border: none; cursor: pointer; font-size: .95rem;
  padding: 9px 16px; border-radius: 8px; font-weight: 600; transition: background .15s;
}
.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: var(--orange-fonce); }
.btn-bleu { background: var(--bleu); color: #fff; }
.btn-bleu:hover { background: #122c46; }
.btn-blanc { background: #fff; color: var(--texte); border: 1px solid var(--bord); }
.btn-blanc:hover { border-color: var(--gris); }
.btn-danger { background: #fff; color: #c0392b; border: 1px solid #e6b8b3; }
.btn:disabled { opacity: .6; cursor: wait; }

/* Mise en page */
.conteneur { max-width: 1100px; margin: 0 auto; padding: 20px 16px; }

/* Bandeau accueil */
.hero {
  background: linear-gradient(120deg, var(--bleu), #2a5a8c); color: #fff;
  padding: 36px 16px; text-align: center;
}
.hero h1 { margin: 0 0 6px; font-size: 1.7rem; }
.hero p { margin: 0 0 18px; opacity: .85; }
.barre-recherche {
  max-width: 640px; margin: 0 auto; display: flex; gap: 8px;
  background: #fff; padding: 8px; border-radius: 12px;
}
.barre-recherche input {
  flex: 1; border: none; outline: none; font-size: 1rem; padding: 8px; min-width: 0;
}

/* Catégories */
.cats { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin: 20px 0 4px; }
.cat-chip {
  background: var(--carte); border: 1px solid var(--bord); border-radius: 99px;
  padding: 8px 16px; cursor: pointer; font-size: .92rem; transition: all .15s;
}
.cat-chip:hover { border-color: var(--orange); }
.cat-chip.actif { background: var(--orange); border-color: var(--orange); color: #fff; }

/* Filtres */
.filtres { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; align-items: center; }
.filtres input, .filtres select, .champ input, .champ select, .champ textarea {
  padding: 9px 12px; border: 1px solid var(--bord); border-radius: 8px;
  font-size: .95rem; background: #fff; font-family: inherit;
}

/* Grille d'annonces */
.grille {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px;
}
.carte {
  background: var(--carte); border-radius: var(--rayon); overflow: hidden;
  border: 1px solid var(--bord); transition: transform .12s, box-shadow .12s;
}
.carte:hover { transform: translateY(-3px); box-shadow: 0 6px 18px rgba(0,0,0,.08); }
.carte-img {
  height: 160px; background: #eef0f4; display: flex; align-items: center;
  justify-content: center; position: relative;
}
.carte-img img { width: 100%; height: 100%; object-fit: cover; }
.carte-icone { font-size: 3rem; }
.badge-vendu {
  position: absolute; top: 8px; left: 8px; background: #c0392b; color: #fff;
  padding: 2px 10px; border-radius: 6px; font-size: .8rem; font-weight: 700;
}
.carte-corps { padding: 10px 12px 12px; }
.carte-titre { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.carte-prix { color: var(--orange); font-weight: 800; margin: 2px 0; }
.carte-meta { color: var(--gris); font-size: .82rem; }

/* Panneaux / formulaires */
.panneau {
  background: var(--carte); border: 1px solid var(--bord);
  border-radius: var(--rayon); padding: 22px; max-width: 640px; margin: 0 auto;
}
.panneau h1, .panneau h2 { margin-top: 0; color: var(--bleu); }
.champ { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.champ label { font-weight: 600; font-size: .9rem; }
.champ textarea { min-height: 110px; resize: vertical; }
.ligne-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.note { color: var(--gris); font-size: .85rem; }
.erreur { color: #c0392b; font-size: .9rem; margin: 8px 0; }
.succes { color: #1e8449; font-size: .95rem; margin: 8px 0; }

/* Page annonce */
.annonce-grid { display: grid; grid-template-columns: 1fr 320px; gap: 20px; }
@media (max-width: 800px) { .annonce-grid { grid-template-columns: 1fr; } }
.galerie-principale {
  width: 100%; height: 380px; object-fit: contain; background: #eef0f4;
  border-radius: var(--rayon); border: 1px solid var(--bord);
}
.galerie-placeholder {
  height: 380px; display: flex; align-items: center; justify-content: center;
  font-size: 5rem; background: #eef0f4; border-radius: var(--rayon); border: 1px solid var(--bord);
}
.miniatures { display: flex; gap: 8px; margin-top: 8px; }
.miniatures img {
  width: 70px; height: 70px; object-fit: cover; border-radius: 8px;
  cursor: pointer; border: 2px solid transparent;
}
.miniatures img.actif { border-color: var(--orange); }
.bloc { background: var(--carte); border: 1px solid var(--bord); border-radius: var(--rayon); padding: 18px; margin-bottom: 16px; }
.prix-grand { font-size: 1.6rem; font-weight: 800; color: var(--orange); }
.specs { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; font-size: .92rem; margin-top: 10px; }
.specs dt { color: var(--gris); } .specs dd { margin: 0; font-weight: 600; }

/* Messagerie */
.msg-grid { display: grid; grid-template-columns: 300px 1fr; gap: 16px; min-height: 60vh; }
@media (max-width: 800px) { .msg-grid { grid-template-columns: 1fr; } }
.convo {
  padding: 12px; border-bottom: 1px solid var(--bord); cursor: pointer; border-radius: 8px;
}
.convo:hover, .convo.actif { background: #fdf0e8; }
.convo .qui { font-weight: 700; }
.convo .quoi { color: var(--gris); font-size: .85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fil { display: flex; flex-direction: column; gap: 8px; padding: 10px 0; max-height: 50vh; overflow-y: auto; }
.bulle { max-width: 75%; padding: 9px 13px; border-radius: 14px; font-size: .95rem; }
.bulle.moi { align-self: flex-end; background: var(--orange); color: #fff; border-bottom-right-radius: 4px; }
.bulle.lui { align-self: flex-start; background: #ededf2; border-bottom-left-radius: 4px; }
.bulle time { display: block; font-size: .7rem; opacity: .7; margin-top: 2px; }
.zone-envoi { display: flex; gap: 8px; margin-top: 10px; }
.zone-envoi input { flex: 1; padding: 10px 12px; border: 1px solid var(--bord); border-radius: 8px; }

/* Aperçus upload */
.apercus { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.apercus img { width: 80px; height: 80px; object-fit: cover; border-radius: 8px; border: 1px solid var(--bord); }

/* Onglets */
.onglets { display: flex; gap: 0; margin-bottom: 18px; border-bottom: 2px solid var(--bord); }
.onglet { padding: 10px 18px; cursor: pointer; font-weight: 600; color: var(--gris); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.onglet.actif { color: var(--orange); border-bottom-color: var(--orange); }

footer { text-align: center; color: var(--gris); font-size: .85rem; padding: 30px 16px; }
.vide { text-align: center; color: var(--gris); padding: 40px 0; }