/**
 * Loading Overlay Component
 * Displays a full-screen loading overlay with spinner while images load
 * 
 * @package House
 * @version 1.0.0
 */

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-overlay.loaded {
    opacity: 0;
    visibility: hidden;
}

/* Loading Spinner */
.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #e5e7eb;
    border-top-color: #000;
    border-radius: 50%;
    animation: loading-spin 0.8s linear infinite;
}

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

/* Hide content while loading */
body.images-loading .hero-fullscreen-calc,
body.images-loading main,
body.images-loading .site-content {
    visibility: hidden;
}

/* Optional: Loading overlay with logo */
.loading-overlay--with-logo {
    flex-direction: column;
    gap: 2rem;
}

.loading-overlay__logo {
    max-width: 200px;
    height: auto;
    opacity: 0.9;
}

/* Optional: Custom branded loading overlay */
.loading-overlay--branded {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.loading-overlay--branded .loading-spinner {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
}

/* Optional: Minimal loading overlay (just spinner, no background) */
.loading-overlay--minimal {
    background-color: transparent;
    backdrop-filter: blur(8px);
}

/* Optional: Loading progress bar */
.loading-overlay__progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: rgba(0, 0, 0, 0.1);
}

.loading-overlay__progress-bar {
    height: 100%;
    background-color: #000;
    transition: width 0.3s ease;
    width: 0%;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .loading-spinner {
        width: 40px;
        height: 40px;
        border-width: 3px;
    }
    
    .loading-overlay__logo {
        max-width: 150px;
    }
}

/* Accessibility: Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .loading-overlay {
        transition: opacity 0.01s, visibility 0.01s;
    }
    
    .loading-spinner {
        animation: none;
        border-top-color: transparent;
        border-right-color: #000;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .loading-overlay {
        background-color: #1a1a1a;
    }
    
    .loading-spinner {
        border-color: #333;
        border-top-color: #fff;
    }
}