/* ===== Image Loader Component ===== */

/* Loader overlay para imágenes */
.image-loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    opacity: 1;
    visibility: visible;
}

.image-loader-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Spinner loader */
.image-loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--bg-cream);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Loader para hero section */
.hero.loading {
    background-color: var(--bg-light);
}

.hero-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.hero-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.hero-loader-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Loader para imágenes del grid de casas */
.casas-grid-item {
    position: relative;
    overflow: hidden;
}

.casas-grid-item .image-loader-overlay {
    background: var(--bg-cream);
}

.casas-grid-item .image-loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-beige);
    border-top-color: var(--primary-color);
}

/* Imagen con loader */
.image-with-loader {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.image-with-loader img {
    opacity: 0;
    transition: opacity 0.4s ease;
}

.image-with-loader img.loaded {
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-loader-spinner {
        width: 50px;
        height: 50px;
        border-width: 4px;
    }
    
    .image-loader-spinner {
        width: 35px;
        height: 35px;
        border-width: 3px;
    }
}