* {
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    margin: 0;
    background: #f4f6f8;
}

header {
    background: #1f2937;
    color: #fff;
    padding: 16px 24px;
    font-size: 20px;
    font-weight: bold;
}

.container {
    padding: 24px;
}

.upload-box {
    background: #ffffff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* Slider container */
.slider {
    width: 100%;
    overflow: hidden;
    background: #f4f6f8;
}

/* Sliding gallery */
.gallery {
    display: flex;
    gap: 16px;
    animation: slide 25s linear infinite;
}

/* Image card */
.card {
    min-width: 200px;
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card .caption {
    padding: 8px;
    font-size: 14px;
    text-align: center;
}

/* Animation */
@keyframes slide {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}

/* Pause on hover */
.slider:hover .gallery {
    animation-play-state: paused;
}