Auto Loop List Animation | HTML, CSS & JavaScript

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at top, 
                #0f2027, #203a43, #2c5364);
    font-family: 'Segoe UI', sans-serif;
    color: #fff;
}

/* Container */
.container {
    width: 400px;
    height: 260px;
    overflow: hidden;
    border-radius: 20px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

/* Animated List */
.list {
    display: flex;
    flex-direction: column;
    animation: scroll 10s linear infinite;
    margin: 30px;
}

/* STOP animation on hover */
.container:hover .list {
    animation-play-state: paused;
}

/* Items */
.item {
    padding: 16px;
    margin: 8px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(114, 21, 21, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

/* Hover effect */
.item:hover {
    transform: scale(1.08);
    background: rgba(0, 255, 255, 0.15);
    box-shadow: 0 10px 25px rgba(0, 255, 255, 0.4);
}

/* Loop animation */
@keyframes scroll {
    0% {
        transform: translateY(0);
    }

100% {
        transform: translateY(-50%);
    }
}

/* Optional gradient fade (top & bottom) */
.container::before,
.container::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 40px;
    z-index: 2;
    pointer-events: none;
}

.container::before {
    top: 0;
    background: linear-gradient(to bottom, 
                rgba(15, 32, 39, 1), transparent);
}

.container::after {
    bottom: 0;
    background: linear-gradient(to top, 
                rgba(44, 83, 100, 1), transparent);
}

- Auto Loop List Animation

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