html {
    height: 100%;
    background-image: linear-gradient(to bottom, #1a1a2e, #2a2a4f);
}
body {
    background: transparent;
}
.music-player {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin: 60px auto;
    width: fit-content;
}

.now-playing {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #1a1a2e;
    border: 1px solid #444;
    border-radius: 30px;
    padding: 10px 22px;
    color: #fff;
    font-size: 1rem;
    min-width: 220px;
    justify-content: space-between;
}

.song-title {
    font-style: italic;
    color: #aaa;
}

.song-title.active {
    color: #fff;
}

.mute-btn {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.song-circles {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.song-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 2px solid #555;
    background: #1a1a2e;
    color: #ccc;
    font-size: 0.72rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    line-height: 1.3;
}

.song-circle:hover {
    border-color: #a78bfa;
    color: #fff;
    background: #2a2a4e;
    transform: scale(1.08);
}

.song-circle.playing {
    border-color: #a78bfa;
    background: #3b1f6e;
    color: #fff;
    box-shadow: 0 0 14px #a78bfa88;
    animation: pulse 1.4s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 10px #a78bfa88; }
    50%       { box-shadow: 0 0 22px #a78bfacc; }
}
#TITLE {
    font-family: 'MusicVibes.otf', serif;
    font-weight: bolder;
    font-style: italic;
    color: #aaa;
    text-align: center;
    font-size: 50px;
    text-shadow: -1px 0 #5c0080, 0 1px #5c0080, 0 -1px black;
}
#BACK\.button {
    background: #252544;
    border: 6px solid #2a2a4d;
    border-radius: 23px;
    font-weight: bolder;
    font-family: 'MusicVibes.otf', serif;
    font-style: italic;
    font-size: 40px;
    text-align: center;
    color: cornsilk;
    padding: 3px 6px;
    z-index: 1000;
    position: fixed;
    bottom: 20px;
    left: 47%;
}