/* ==========================================================================
   Listado de Materiales — grid de cards
   Estilo coherente con Ficha de Material (mismos colores, radios, sombras)
   ========================================================================== */

.listado-materiales-grid {
    --lm-columnas: 3;
    display: grid;
    grid-template-columns: repeat(var(--lm-columnas), 1fr);
    gap: 24px;
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
}

.listado-materiales-vacio {
    text-align: center;
    padding: 40px 20px;
    color: #6b7280;
    font-size: 16px;
}

/* Link envolvente */
.material-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* Card */
.material-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    border: 1px solid #eef0f2;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.material-card-link:hover .material-card {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.06);
    border-color: #d1d5db;
}

/* Imagen */
.material-card-imagen {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #f5f6f8;
    overflow: hidden;
}

.material-card-imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.material-card-link:hover .material-card-imagen img {
    transform: scale(1.06);
}

/* Badge de stock (mismas clases/colores que ficha-material.css) */
.stock-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #ffffff;
    border: 1.5px solid;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.stock-badge svg {
    flex-shrink: 0;
}

/* Info */
.material-card-info {
    padding: 16px 18px 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.material-card-titulo {
    font-size: 17px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 2px;
    line-height: 1.3;
}

.material-card-precio {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.material-card-precio .precio-valor {
    font-size: 20px;
    font-weight: 800;
    color: #10b981;
}

.material-card-precio .precio-unidad {
    font-size: 13px;
    color: #6b7280;
}

.material-card-stock {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #6b7280;
    margin-top: 2px;
}

.material-card-stock svg {
    flex-shrink: 0;
    color: #9ca3af;
}

.material-card-cta {
    margin-top: 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #3b82f6;
    transition: gap 0.2s ease;
}

.material-card-link:hover .material-card-cta {
    gap: 10px;
}

/* Animación de entrada, igual que en la ficha */
.fade-in {
    animation: lmFadeIn 0.5s ease both;
}

@keyframes lmFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .listado-materiales-grid {
        --lm-columnas: 2;
    }
}

@media (max-width: 640px) {
    .listado-materiales-grid {
        --lm-columnas: 1;
        gap: 16px;
    }
}