.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #000000 0%, #5c5c5c 100%);
    z-index: 9999;
    transition: opacity 0.8s ease-out;
}

.loading-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.loading-container.fade-out {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.9);
}

.loading-spinner {
    width: 80px;
    height: 80px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top: 4px solid #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 30px;
}

.loading-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 20px 0;
}

.dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

.dot:nth-child(1) { animation-delay: 0s; }
.dot:nth-child(2) { animation-delay: 0.3s; }
.dot:nth-child(3) { animation-delay: 0.6s; }

.loading-text {
    font-size: 24px;
    font-weight: 300;
    letter-spacing: 2px;
    opacity: 0.9;
    animation: fadeInOut 2s ease-in-out infinite;
}

.progress-bar {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    margin: 30px auto;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #fff, #e0e0e0);
    border-radius: 2px;
    animation: progressFill 3s ease-in-out infinite;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.percentage {
    font-size: 18px;
    font-weight: 400;
    opacity: 0.8;
    margin-top: 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.3;
    }
    50% { 
        transform: scale(1.3);
        opacity: 1;
    }
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes progressFill {
    0% { width: 0%; }
    100% { width: 100%; }
}

@keyframes float {
    0%, 100% { 
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { 
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

.main-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    font-size: 24px;
    opacity: 0;
    transition: opacity 0.8s ease-in;
}

.main-content.show {
    opacity: 1;
}
.loading-text {
    font-size: 20px;
}

.progress-bar {
    width: 250px;
}

.loading-spinner {
    width: 60px;
    height: 60px;
}