.ad-layout {
    display: grid;
    grid-template-columns: 8fr 4fr;
    gap: 40px;
}

/* Colonne Gauche (Détails) */
.ad-main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Galerie / Carrousel */
.ad-gallery {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.015);
}

.main-image-viewport {
    width: 100%;
    height: 450px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-image-viewport img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.gallery-thumbnails {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.thumbnail {
    width: 70px;
    height: 70px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s ease;
    flex-shrink: 0;
}

.thumbnail.active,
.thumbnail:hover {
    border-color: var(--primary);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--bg);
}

/* Contenu textuel de l'annonce */
.ad-content-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.015);
}

.ad-header-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
}

.category-badge {
    align-self: flex-start;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 99px;
}

.ad-title {
    font-size: 32px;
    color: var(--text);
    line-height: 1.3;
}

.meta-posted,.save-count-line {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Description markdown styles */
.ad-description {
    border-top: 1px solid var(--border);
    padding-top: 25px;
    /*! color: #334155; */
    font-size: 15px;
    line-height: 1.7;
}

.ad-description p {
    margin-bottom: 15px;
}

.ad-description h1,
.ad-description h2,
.ad-description h3 {
    color: var(--text);
    margin: 25px 0 12px;
    font-weight: 600;
}

.ad-description h1 {
    font-size: 22px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 6px;
}

.ad-description h2 {
    font-size: 19px;
}

.ad-description h3 {
    font-size: 16px;
}

.ad-description ul,
.ad-description ol {
    margin: 15px 0;
    padding-left: 24px;
}

.ad-description li {
    margin-bottom: 6px;
}

.ad-description blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    padding: 12px 20px;
    margin: 15px 0;
    border-radius: 0 8px 8px 0;
    color: #475569;
    font-style: italic;
}

/* Offres et Plans */
.plans-section-title {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--text);
}

.plans-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.plan-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.01);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.plan-card:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.05);
}

.plan-details {
    max-width: 70%;
}

.plan-name {
    font-size: 18px;
    color: var(--text);
    margin-bottom: 6px;
}

.plan-price-tag {
    text-align: right;
    min-width: 150px;
}

.plan-price-val {
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.plan-price-unit {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Colonne Droite (Vendeur Flottant) */
.ad-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sticky-card {
    position: sticky;
    top: 100px;
}

.vendor-profile-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.015);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.profile-avatar-large {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3.5px solid var(--primary-light);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.1);
    margin-bottom: 18px;
}

.profile-display-name {
    font-size: 20px;
    color: var(--text);
    margin-bottom: 6px;
}

.profile-role-badge {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 99px;
    margin-bottom: 15px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.profile-bio {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.5;
}

.profile-info-grid {
    width: 100%;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    margin-bottom: 25px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: left;
}

.profile-info-item {
    font-size: 13px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-info-item i {
    color: var(--primary);
    font-size: 16px;
}

.btn-vendor-action {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-primary-action {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
    margin-bottom: 12px;
}

.btn-primary-action:hover {
    background: var(--primary-hover);
    box-shadow: 0 6px 16px rgba(124, 58, 237, 0.3);
}

.btn-secondary-action {
    background: var(--primary-light);
    color: var(--primary);
}

.btn-secondary-action:hover {
    background: var(--primary);
    color: white;
}

@media (max-width: 900px) {
    .ad-layout {
        grid-template-columns: 1fr;
    }

    .main-image-viewport {
        height: 300px;
    }

    .sticky-card {
        position: static;
    }
}

#save-vendor-btn.saved {
    background: var(--primary);
    color: white;
}