/* Horizontal Progress Loading Animation */
.simple-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    max-width: 600px;
    margin: 0 auto;
}

.spinner {
    width: 100%;
    max-width: 400px;
    height: 6px;
    background-color: #f0f0f0;
    border-radius: 3px;
    position: relative;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-bar {
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, #3498db, #2ecc71, #3498db);
    background-size: 200% 100%;
    border-radius: 3px;
    animation: progressMove 1.5s ease-in-out infinite;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes progressMove {
    0% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(250%);
    }
    100% {
        transform: translateX(-100%);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.simple-loading p {
    color: #666;
    font-size: 14px;
    margin: 0;
    font-weight: 500;
}

@media screen and (max-width: 768px) {
    .simple-loading {
        padding: 40px 20px;
    }
    
    .spinner {
        max-width: 280px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .progress-bar,
    .progress-bar::after {
        animation: none;
    }
    
    .progress-bar {
        width: 60%;
        transform: translateX(0);
        background: #3498db;
    }
}