body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: "Ubuntu Mono", monospace;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

#background-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(10px);
    z-index: -1;
    transform-origin: center center;
    transition: filter 0.05s linear;
}

#song-info {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    background: rgba(0,0,0,0.5);
    padding: 10px;
    border-radius: 5px;
    gap: 10px;
}

#cover {
    width: 40px;
    height: 40px;
    border-radius: 5px;
}

#song-text {
    display: flex;
    flex-direction: column;
}

#song-title {
    font-size: 18px;
    font-weight: bold;
    margin: 0;
    text-align: center;
}

#song-author {
    font-size: 14px;
    opacity: 0.8;
    margin: 0;
}

#volume-slider {
    width: 150px;
    margin-left: 15px;
    cursor: pointer;
}

#volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    border: 2px solid #999;
}

#volume-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    border: 2px solid #999;
}

#loading-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    transition: transform 0.05s ease-out;
    letter-spacing: 1px;
}

.dot {
    display: inline-block;
    opacity: 0;
    animation: dotsWave 2s infinite;
    margin: 0 2px;
}


.dot:nth-child(2) { animation-delay: 0.3s; }
.dot:nth-child(3) { animation-delay: 0.6s; }

@keyframes dotsWave {
    0%, 60% { opacity: 0; }
    20%, 40% { opacity: 1; }
}


#tip {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px;
    border-radius: 5px;
    font-size: 20px;
    text-align: center;
}

@keyframes tipWave {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

#tip span {
    display: inline-block;
}


#author {
    position: absolute;
    bottom: 0px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px;
    border-radius: 5px;
    font-size: 16px;
    text-align: center;
}