* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: #111;
    color:white;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

h1 {
    margin-bottom: 30px;
}

.audio-grid {
    display: grid;
    grid-template-columns: repeat(4, 150px);
    gap: 15px;
}

.audio-block {
    width: 150px;
    height: 150px;
    padding: 0;
    border: 3px solid #444;
    border-radius: 12px;
    background: #222;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.1s, border-color 0.1s;
}

.audio-block img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.audio-block:hover {
    transform: scale(1.05);
    border-color: #777;
}

.audio-block:active {
    transform: scale(0.95);
}

.audio-block.playing {
    border-color: #1683FF;
    box-shadow: 0 0 15px #1683FF;
}

.audio-block audio {
    display: none;
}