/* ─── MODAL DETALLE + LIGHTBOX ─────────────────────
   Rediseño Sprint Fase 3. Compartido por index.html y
   ofertas.html (producto-modal.js). */

.pm-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(10, 37, 89, 0.45);
    align-items: center;
    justify-content: center;
    padding: 32px;
}

.pm-modal {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    max-width: 980px;
    width: 100%;
    max-height: 88vh;
    overflow: hidden auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
}

.pm-media {
    padding: 32px;
    background: var(--color-bg);
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    justify-content: center;
}

.pm-media__img {
    width: 100%;
    height: 380px;
    object-fit: contain;
    border-radius: var(--radius-md);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pm-media__img.loaded { opacity: 1; }

.pm-thumbs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.pm-thumb {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 3px;
    cursor: pointer;
    border: 1px solid var(--color-border);
    transition: opacity 0.2s, border-color 0.2s;
}

.pm-thumb--active {
    border: 2px solid var(--color-primary);
}

.pm-info {
    padding: 48px 56px 48px 0;
    position: relative;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.pm-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--color-text-muted);
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.pm-close:hover { color: var(--color-primary); }

.pm-brand {
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin: 0 0 8px;
}

.pm-title {
    font-size: 28px;
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.01em;
    margin: 0 0 6px;
    display: inline-block;
    color: var(--color-text);
}

.pm-badge-nuevo {
    display: none;
    background: #16a34a;
    color: #fff;
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    padding: 2px 9px;
    border-radius: 4px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    vertical-align: middle;
    margin: 0 0 6px 8px;
}

.pm-code {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin: 0 0 20px;
}

.pm-price-row {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 16px;
}

.pm-price-old {
    font-size: 17px;
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.pm-price {
    font-size: var(--font-size-price-large);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
}

/* ─── PAQUETE PROMOCIONAL (preservado del diseño anterior) ─ */
.pm-paquete-label {
    font-size: 12px;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #16a34a;
    margin: 0 0 8px;
}

.pm-paquete-niveles {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
}

.pm-paquete-nivel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 2px;
}

.pm-paquete-cant {
    font-size: 13px;
    color: #15803d;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pm-paquete-precio {
    font-size: 15px;
    font-weight: var(--font-weight-bold);
    color: #16a34a;
}

.pm-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.pm-tag {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    padding: 6px 14px;
    font-size: var(--font-size-small);
    color: var(--color-text);
}

.pm-description {
    font-size: var(--font-size-body);
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 0 0 24px;
}

/* Valor textual de "medida" (ej. 57□18-135) — distinto del bloque
   .pm-medidas de abajo, que es la IMAGEN del diagrama de medidas. */
.pm-medida {
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    margin-bottom: 28px;
}

.pm-medida__label {
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin: 0 0 10px;
}

.pm-medida__value {
    font-size: 14px;
    color: var(--color-text);
}

.pm-medidas {
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    margin-bottom: 28px;
}

.pm-medidas__label {
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin: 0 0 10px;
}

.pm-medidas__img {
    width: 100%;
    border-radius: var(--radius-md);
    object-fit: contain;
    border: 1px solid var(--color-border);
    cursor: zoom-in;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pm-medidas__img.loaded { opacity: 1; }

.pm-actions {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

.pm-btn {
    flex: 1;
    text-align: center;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.pm-btn--whatsapp {
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
}

.pm-btn--whatsapp:hover { background: var(--color-primary-hover); }

.pm-btn--whatsapp.pm-btn--disabled {
    pointer-events: none;
    cursor: default;
    background: #888;
    opacity: 0.55;
}

.pm-btn--share {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text);
}

.pm-btn--share:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ─── RESPONSIVE (bottom sheet en mobile) ─────────── */
@media (max-width: 860px) {
    .pm-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .pm-modal {
        border-radius: var(--radius-sheet);
        max-height: 85vh;
        grid-template-columns: 1fr;
        animation: pm-slide-up 0.25s ease-out;
    }

    .pm-media {
        padding: 20px 20px 0;
    }

    .pm-media__img {
        height: 280px;
    }

    .pm-info {
        padding: 20px;
    }

    .pm-title { font-size: 22px; }
}

@keyframes pm-slide-up {
    from { transform: translateY(100%); }
    to   { transform: translateY(0); }
}

/* ─── LIGHTBOX (sin cambios de diseño) ────────────── */
#lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s ease;
}
#lightbox.activo { display: flex; opacity: 1; }
#lightboxImg {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 6px;
    opacity: 0;
    transition: opacity 0.3s ease;
    user-select: none;
    -webkit-user-select: none;
    pointer-events: none;
}
#lightbox .lb-img-wrapper { pointer-events: none; position: relative; }
#lightboxImg.lb-loaded { opacity: 1; }
#lbClose {
    position: fixed;
    top: 20px;
    right: 24px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, border-color 0.2s;
    z-index: 10000;
    backdrop-filter: blur(4px);
}
#lbClose:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.6); }
.lb-arrow {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, border-color 0.2s;
    z-index: 10000;
    backdrop-filter: blur(4px);
    user-select: none;
}
.lb-arrow:hover { background: rgba(255,255,255,0.22); border-color: rgba(255,255,255,0.6); }
#lbPrev { left: 20px; }
#lbNext { right: 20px; }
#lbHint {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.45);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    pointer-events: none;
}
#modalImgPrincipal { cursor: zoom-in; }
.pm-thumb { cursor: zoom-in !important; }