/* ─── Poster Detail ──────────────────────────────────── */
.poster-detail {
    padding: 32px 0 60px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-light);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.poster-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

/* Image */
.poster-image-col {
    position: sticky;
    top: 80px;
}

.poster-image-main {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    cursor: zoom-in;
}

.poster-image-main img {
    width: 100%;
    transition: transform 0.3s ease;
    transform-origin: center center;
}

/* Mockup : affiche dans un cadre noir sur un fond mur taupe.
   Plus realiste que le simple cadre fin precedent — donne envie d'imprimer. */
.poster-mockup {
    margin-top: 32px;
    padding: 32px 16px 28px;
    background: linear-gradient(135deg, #e8e0d6 0%, #d8cdbf 60%, #c9bba6 100%);
    border-radius: 12px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.poster-mockup::before {
    /* sol/ombre subtil */
    content: "";
    position: absolute;
    bottom: 0; left: 0; right: 0; height: 40%;
    background: linear-gradient(to top, rgba(0,0,0,0.06), transparent);
    pointer-events: none;
}

.mockup-frame {
    display: inline-block;
    position: relative;
    padding: 16px;
    background: #ffffff;
    border: 12px solid #1a1a1a;
    border-radius: 2px;
    box-shadow:
        0 2px 4px rgba(0,0,0,0.1) inset,
        0 12px 24px -8px rgba(0,0,0,0.35),
        0 24px 40px -12px rgba(0,0,0,0.25);
    max-width: 240px;
    transform: rotate(-0.5deg);
    transition: transform 0.3s ease;
}
.mockup-frame:hover {
    transform: rotate(0deg) scale(1.02);
}

.mockup-frame img {
    width: 100%;
    display: block;
}

.mockup-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 16px;
    font-style: italic;
}

/* Info */
.poster-detail-category {
    display: inline-block;
    background: #fff7ed;
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.poster-detail-title {
    font-family: var(--font-display);
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.poster-detail-desc {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 28px;
}

/* Format Selector */
.format-selector {
    margin-bottom: 24px;
}

.format-title {
    font-size: 1rem;
    margin-bottom: 12px;
}

.format-option {
    display: block;
    cursor: pointer;
    margin-bottom: 8px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    transition: all var(--transition);
}

.format-option:hover {
    border-color: var(--primary-light);
}

.format-option.selected {
    border-color: var(--primary);
    background: #fff7ed;
}

.format-option input[type="radio"] {
    display: none;
}

.format-option-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.format-option-info {
    display: flex;
    flex-direction: column;
}

.format-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.format-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.format-price {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
}

/* Add to cart button */
.btn-add-cart {
    width: 100%;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* Guarantees */
.poster-guarantees {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.guarantee {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Related */
.related-section {
    border-top: 1px solid var(--border);
    padding-top: 40px;
}