.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-center {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    min-width: 300px;
}

body.dark-mode .loading-center {
    background: rgba(31, 38, 49, 0.95);
}

.loading-text {
    color: #333;
    font-family: 'Inter', sans-serif;
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 20px 0;
}

body.dark-mode .loading-text {
    color: #ffffff;
}

.loading-progress {
    width: 250px;
    height: 8px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

body.dark-mode .loading-progress {
    background: rgba(255, 255, 255, 0.1);
}

.loading-progress-bar {
    height: 100%;
    background-color: #1f2631;
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

body.dark-mode .loading-progress-bar {
    background-color: #fffce9;
}

.loading-percentage {
    color: #333;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    margin-top: 12px;
}

body.dark-mode .loading-percentage {
    color: #ffffff;
}

@media (max-width: 768px) {
    .loading-center {
        padding: 30px;
        margin: 20px;
        min-width: 250px;
    }
    
    .loading-text {
        font-size: 16px;
    }
    
    .loading-progress {
        width: 200px;
    }
}