/* Esqueletos de Carga con efecto de animación pulsante */
@keyframes skeletonPulse {
    0% {
        background-color: #E2E8F0;
    }

    50% {
        background-color: #F1F5F9;
    }

    100% {
        background-color: #E2E8F0;
    }
}

.skeleton-pulse {
    animation: skeletonPulse 1.5s infinite ease-in-out;
    border-radius: 4px;
}


/* ==========================================================================
   SKELETON LOADERS PREMIUM (SHIMMER EFFECT)
   ========================================================================== */
.skeleton-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    overflow: hidden;
    min-height: 380px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] .skeleton-card {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

.skeleton-shimmer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.6) 50%,
            rgba(255, 255, 255, 0) 100%);

    animation: shimmer-swipe 1.6s infinite;
    z-index: 2;
}

@keyframes shimmer-swipe {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.skeleton-image {
    width: 100%;
    height: 200px;
    background: #f1f5f9;
    border-radius: var(--radius-sm);
}

[data-theme="dark"] .skeleton-image {
    background: rgba(255, 255, 255, 0.07);
}

.skeleton-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.skeleton-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f1f5f9;
}

[data-theme="dark"] .skeleton-avatar {
    background: rgba(255, 255, 255, 0.07);
}

.skeleton-title-box {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.skeleton-line {
    height: 12px;
    background: #f1f5f9;
    border-radius: 4px;
}

[data-theme="dark"] .skeleton-line {
    background: rgba(255, 255, 255, 0.07);
}

.skeleton-line.short {
    width: 60%;
}

.skeleton-line.price {
    width: 40%;
    height: 18px;
    background: rgba(245, 158, 11, 0.15);
}

.skeleton-footer {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.skeleton-btn {
    flex: 1;
    height: 38px;
    border-radius: 20px;
    background: #f1f5f9;
}

[data-theme="dark"] .skeleton-btn {
    background: rgba(255, 255, 255, 0.07);
}

.skeleton-btn.accent {
    background: rgba(37, 99, 235, 0.15);
}

#feedSentinel {
    grid-column: 1 / -1;
    width: 100%;
    height: 10px;
    background: transparent;
    pointer-events: none;
}

#feedSkeletonContainer {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    width: 100%;
    margin-top: 20px;
}

/* ==========================================================================
   UTILITY PARA IMÁGENES LAZY (SHIMMER HASTA QUE CARGUEN)
   ========================================================================== */
.skeleton-shimmer-bg {
    background: #f1f5f9;
    position: relative;
    overflow: hidden;
    color: transparent !important;
}

.skeleton-shimmer-bg::after {
    content: "";
    position: absolute;
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.6) 50%, rgba(255,255,255,0) 100%);
    animation: shimmer-swipe 1.6s infinite;
    z-index: 1;
}

[data-theme="dark"] .skeleton-shimmer-bg {
    background: rgba(255,255,255,0.07);
}

[data-theme="dark"] .skeleton-shimmer-bg::after {
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0) 100%);
}