/* ── Product layout ───────────────────────── */
.sp-section { background: var(--color-white); }
.sp-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

/* ── Gallery ──────────────────────────────── */
.sp-main-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-white);
    border: 1.5px solid var(--color-border);
    aspect-ratio: 4/3;
}
.sp-main-img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
    transition: opacity 0.2s;
}
.sp-thumbs {
    display: flex; gap: var(--space-3); flex-wrap: wrap;
    margin-top: var(--space-4);
}
.sp-thumb {
    width: 72px; height: 72px;
    border-radius: var(--radius-md);
    overflow: hidden; cursor: pointer;
    border: 2px solid var(--color-border);
    background: var(--color-surface);
    padding: 0; transition: border-color var(--transition);
}
.sp-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sp-thumb:hover,
.sp-thumb.is-active { border-color: var(--color-accent); }
.sp-no-image {
    aspect-ratio: 4/3; border-radius: var(--radius-lg);
    background: var(--color-surface); border: 1.5px solid var(--color-border);
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: var(--space-3);
    color: var(--color-muted); font-size: 3rem;
}
.sp-no-image p { font-size: 0.9rem; margin: 0; }

/* ── Info panel ───────────────────────────── */
.sp-cat   { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); margin: 0 0 var(--space-2); }
.sp-title { font-size: clamp(1.5rem,3vw,2rem); font-weight: 800; color: var(--color-ink); line-height: 1.2; margin: 0 0 var(--space-3); letter-spacing: -0.02em; }
.sp-sku   { font-size: 0.82rem; color: var(--color-muted); margin: 0 0 var(--space-5); }
.sp-meta-row { display: flex; gap: var(--space-4); align-items: baseline; margin-bottom: var(--space-3); font-size: 0.9rem; }
.sp-meta-label { color: var(--color-muted); font-weight: 500; min-width: 120px; }
.sp-meta-value { color: var(--color-ink); font-weight: 600; }
.sp-desc {
    font-size: 0.95rem; color: var(--color-text); line-height: 1.7;
    margin: var(--space-5) 0 var(--space-6);
    padding-top: var(--space-5); border-top: 1px solid var(--color-border);
}

/* ── Buy box ──────────────────────────────── */
.sp-buy { padding: var(--space-6); background: var(--color-surface); border-radius: var(--radius-lg); border: 1.5px solid var(--color-border); }
.sp-price { margin-bottom: var(--space-5); }
.sp-price__amount { font-size: 1.75rem; font-weight: 800; color: var(--color-ink); }
.sp-price__vat { display: block; font-size: 0.8rem; color: var(--color-muted); margin-top: 2px; }
.sp-price__locked { font-size: 1rem; font-weight: 600; color: var(--color-muted); }
.sp-add-form { margin-top: var(--space-4); }
.sp-add-row { display: flex; gap: var(--space-3); align-items: center; }
.sp-qty-input {
    width: 72px; padding: 0.7rem 0.5rem;
    border: 1.5px solid var(--color-border); border-radius: var(--radius-sm);
    font-size: 1rem; text-align: center; color: var(--color-ink);
    background: var(--color-white);
}
.sp-qty-input:focus { outline: none; border-color: var(--color-accent); }
.sp-order-btn { flex: 1; justify-content: center; padding: 0.7rem 1rem; font-size: 0.95rem; }
.sp-cart-link { display: block; text-align: center; margin-top: var(--space-3); font-size: 0.85rem; color: var(--color-accent); font-weight: 600; text-decoration: none; }
.sp-cart-link:hover { text-decoration: underline; }
.sp-login-notice {
    display: flex; flex-direction: column; align-items: center; gap: var(--space-3);
    text-align: center; font-size: 0.9rem; color: var(--color-muted);
}
.sp-login-notice .btn { width: 100%; justify-content: center; }

/* ── Related products ─────────────────────── */
.sp-related-section { background: var(--color-surface); }
.sp-related-title { font-size: 1.25rem; font-weight: 800; color: var(--color-ink); margin-bottom: var(--space-6); }
.sp-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: var(--space-5); }
.sp-related-card {
    background: var(--color-white); border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg); overflow: hidden; text-decoration: none;
    display: flex; flex-direction: column;
    transition: box-shadow var(--transition), border-color var(--transition);
}
.sp-related-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent); }
.sp-related-card__img-wrap { aspect-ratio: 1; overflow: hidden; background: var(--color-white); }
.sp-related-card__img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.3s; }
.sp-related-card:hover .sp-related-card__img-wrap img { transform: scale(1.04); }
.sp-related-card__img-wrap--empty { display: flex; align-items: center; justify-content: center; font-size: 2rem; }
.sp-related-card__body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-1); }
.sp-related-card__cat  { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.sp-related-card__name { font-size: 0.88rem; font-weight: 700; color: var(--color-ink); line-height: 1.3; }
.sp-related-card__price { font-size: 0.82rem; font-weight: 600; color: var(--color-muted); margin-top: var(--space-1); }

/* ── Responsive ───────────────────────────── */
@media (max-width: 768px) {
    .sp-layout { grid-template-columns: 1fr; gap: var(--space-8); }
}