/* ============================================================
   KVM Joaillerie — Product Page CSS — Emerald Theme
   ============================================================ */

.kvm-product-page {
    padding-top: 100px;
    min-height: 100vh;
    background: var(--emerald);
}

/* — Layout — */
.kvm-product-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md);
}

@media (min-width: 768px) {
    .kvm-product-layout {
        display: grid;
        grid-template-columns: 60% 40%;
        gap: var(--space-xl);
        padding: var(--space-lg) var(--space-md);
    }
}

/* — Gallery — */
.kvm-gallery { position: relative; }
.swiper { width: 100%; }

.swiper-slide {
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: var(--emerald-darker);
    border-radius: 4px;
}
.swiper-slide img { width: 100%; height: 100%; object-fit: cover; }

.swiper-pagination { bottom: 14px !important; }
.swiper-pagination-bullet { background: rgba(20, 20, 20,0.25); opacity: 1; }
.swiper-pagination-bullet-active { background: var(--cream); }
.swiper-button-prev, .swiper-button-next { color: var(--ink); }
.swiper-button-prev::after, .swiper-button-next::after { font-size: 20px; }

/* Video slide */
.kvm-video-slide { position: relative; cursor: pointer; }
.kvm-video-facade { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.kvm-play-icon { width: 64px; height: 64px; border-radius: 50%; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; transition: background var(--transition-fast); }
.kvm-play-icon:hover { background: rgba(0,0,0,0.7); }
.kvm-play-icon svg { margin-left: 4px; color: #fff; }

/* — Product Info — */
.kvm-product-info { display: flex; flex-direction: column; gap: var(--space-md); padding-top: var(--space-md); }

@media (min-width: 768px) {
    .kvm-product-info { position: sticky; top: 100px; padding-top: 0; max-height: calc(100vh - 120px); overflow-y: auto; }
}

.kvm-product-crumb { font-size: var(--cap-tight); text-transform: uppercase; letter-spacing: 0.22em; color: var(--cream-soft); }
.kvm-product-name { font-family: var(--serif); font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 300; color: var(--cream); line-height: 1.08; letter-spacing: -0.01em; }
.kvm-product-price { font-family: var(--serif); font-size: 1.35rem; font-weight: 400; color: var(--cream); }
.kvm-product-desc { font-size: 0.95rem; line-height: 1.65; color: var(--cream-soft); max-width: 46ch; }

/* — Vous aimerez aussi — */
.kvm-related { max-width: 1500px; margin: 0 auto; padding: clamp(48px,7vw,88px) clamp(20px,4vw,64px) clamp(60px,8vw,100px); border-top: 1px solid var(--cream-rule); }
.kvm-related-title { font-family: var(--serif); font-weight: 300; font-size: clamp(1.6rem,3vw,2.2rem); color: var(--cream); margin-bottom: clamp(24px,3vw,40px); text-align: center; letter-spacing: -0.01em; }
.kvm-related-title em { font-style: italic; }
.kvm-related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px,2.4vw,40px) clamp(16px,2vw,28px); }
@media (min-width: 900px) { .kvm-related-grid { grid-template-columns: repeat(4, 1fr); } }

/* — Size Selector — */
.kvm-sizes-label { font-size: var(--cap); color: var(--cream-soft); margin-bottom: var(--space-xs); display: block; text-transform: uppercase; letter-spacing: 0.18em; }
.kvm-sizes { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.kvm-size-option { display: none; }

.kvm-size-label {
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    border: 1px solid var(--cream-rule); border-radius: 50%;
    font-size: 13px; font-weight: var(--fw-regular); color: var(--cream);
    cursor: pointer; transition: all var(--transition-fast); position: relative;
}
.kvm-size-label:hover { border-color: var(--cream); }
.kvm-size-option:checked + .kvm-size-label { background: var(--cream); border-color: var(--cream); color: var(--emerald); }
.kvm-size-label.out-of-stock { opacity: 0.3; cursor: default; text-decoration: line-through; }

.kvm-size-label::after {
    content: 'Taille indisponible'; position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
    background: var(--cream); color: var(--emerald); font-size: 11px; padding: 4px 8px; border-radius: var(--radius-sm);
    white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity var(--transition-fast);
}
.kvm-size-label.out-of-stock:hover::after { opacity: 1; }

/* — Add to Cart — */
.kvm-add-to-cart { margin-top: var(--space-xs); }

.kvm-atc-btn {
    display: flex; align-items: center; justify-content: center;
    width: 100%; padding: 17px 16px;
    background: var(--cream); color: var(--emerald);
    font-family: var(--sans); font-size: var(--cap); font-weight: 500;
    letter-spacing: 0.2em; text-indent: 0.2em; text-transform: uppercase; text-align: center;
    border: none; border-radius: 999px; cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.kvm-atc-btn:hover:not(:disabled) { background: var(--gold); color: var(--emerald); }
.kvm-atc-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.kvm-atc-btn.added { background: var(--color-success); color: #fff; }

/* — Accordion — */
.kvm-accordion { border-top: 1px solid var(--cream-rule); }
details.kvm-details { border-bottom: 1px solid var(--cream-rule); }

summary.kvm-summary {
    display: flex; justify-content: space-between; align-items: center;
    padding: var(--space-sm) 0; font-size: 14px; font-weight: var(--fw-medium);
    cursor: pointer; list-style: none; user-select: none; color: var(--cream);
}
summary.kvm-summary::-webkit-details-marker { display: none; }
summary.kvm-summary::after { content: '+'; font-size: 18px; font-weight: var(--fw-light); color: var(--cream-soft); transition: transform var(--transition-fast); }
details[open] > summary.kvm-summary::after { content: '\2212'; }

.kvm-details-content { padding: 0 0 var(--space-md); font-size: 14px; line-height: 1.7; color: var(--cream-soft); }
.kvm-details-content p { margin-bottom: 6px; }
.kvm-details-content strong { color: var(--cream); font-weight: var(--fw-medium); }

/* — Reassurance — */
.kvm-reassurance { display: flex; gap: var(--space-md); padding: var(--space-md) 0; border-top: 1px solid var(--cream-rule); }
.kvm-reassurance-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; font-size: 11px; color: var(--cream-soft); line-height: 1.3; }

/* — Out of Stock — */
.kvm-out-of-stock-btn {
    display: block; width: 100%; padding: var(--space-md);
    background: rgba(20, 20, 20,0.06); color: var(--cream-soft);
    font-family: var(--sans); font-size: 14px; font-weight: var(--fw-medium);
    text-align: center; cursor: not-allowed;
    border: 1px solid var(--cream-rule); border-radius: 999px;
}

/* — Sticky bottom bar (mobile) — */
.kvm-product-sticky-bar { display: none; }

@media (max-width: 767px) {
    .kvm-product-sticky-bar {
        display: flex; align-items: center; justify-content: center; gap: var(--space-sm);
        position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
        padding: 10px var(--space-md); background: var(--emerald-deep);
        border-top: 1px solid var(--cream-rule); font-size: 11px; color: var(--cream-soft);
    }
    .kvm-sticky-bar-item { display: flex; align-items: center; gap: 6px; }
    .kvm-sticky-bar-sep { color: var(--cream-rule); }
    .kvm-product-page { padding-bottom: 44px; }
}

/* Back link */
.kvm-product-back { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--cream-soft); padding: var(--space-md) var(--space-md) 0; transition: color var(--transition-fast); }
.kvm-product-back:hover { color: var(--cream); }