.preloader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1e 100%);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.preloader-overlay.preloader-fade-out {
    opacity: 0;
    visibility: hidden;
}

.preloader-container {
    text-align: center;
    max-width: 400px;
    padding: 2rem;
}

.preloader-logo {
    margin-bottom: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

.preloader-logo img {
    max-width: 200px;
    height: auto;
    filter: brightness(1.2);
}

.preloader-progress-container {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.preloader-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #2196F3 0%, #21CBF3 100%);
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(33, 150, 243, 0.5);
}

.preloader-progress-text {
    color: #ffffff;
    font-size: 0.875rem;
    font-family: 'Arial', sans-serif;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.preloader-message {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    font-family: 'Georgia', serif;
    font-style: italic;
    margin-top: 1rem;
    animation: fadeInOut 3s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes fadeInOut {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .preloader-container {
        max-width: 90%;
        padding: 1.5rem;
    }
    
    .preloader-logo img {
        max-width: 150px;
    }
    
    .preloader-message {
        font-size: 0.875rem;
    }
}

/* Fallback for when preloader is disabled */
body.no-preloader .preloader-overlay {
    display: none !important;
}