#gradient-container {
    width: 100vw; /* 容器宽度为视口宽度 */
    height: 100vh; /* 容器高度为视口高度 */
    position: fixed; /* 定位方式为固定 */
    top: 0; /* 顶部对齐 */
    left: 0; /* 左部对齐 */
    z-index: -1; /* 使容器位于其他内容之下 */
    background: linear-gradient(45deg, rgba(255, 239, 186, 0.4), rgba(255, 218, 193, 0.4), rgba(237, 247, 237, 0.4), rgba(203, 241, 255, 0.4));
    background-size: 400% 400%; /* 背景图像尺寸 */
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.main-container {
    display: flex;
    min-height: calc(100vh - 200px);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.player-container, .generator-panel, .song-list-container {
    background-color: #fff;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-right: 20px;
    display: flex;
    flex-direction: column;
}

.generator-panel {
    flex: 0 0 300px;
}

.player-container {
    flex: 1;
    min-width: 300px;
}

.song-list-container {
    flex: 0 0 350px;
    margin-right: 0;
    overflow: hidden;
}

.record-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    overflow: visible;
    border: 5px solid #0984d9;
    padding: 10px;
    border-radius: 10px;
    background-color: #5c6bbf;
    box-shadow: 10px 10px 5px #888888;
}

.record {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: repeating-radial-gradient(#000, #000 5px, #333 6px, #333 7px);
    animation: spin 5s linear infinite;
    animation-play-state: paused;
}

.record.playing {
    animation-play-state: running;
}

.album-cover {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-image: url('/system/images/soundhelix.jpg');
    background-size: cover;
}

.tonearm {
    position: absolute;
    top: 10px;
    right: 20px;
    width: 4px;
    height: 80px;
    background-color: #333;
    transform-origin: top right;
    transform: rotate(-15deg);
    transition: transform 0.5s;
}

.tonearm.playing {
    transform: rotate(1deg);
}

.tonearm::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -6px;
    width: 15px;
    height: 10px;
    background-color: #861b2d;
    border-radius: 5px 0 0 5px;
}

.tonearm::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 2px;
    height: 8px;
    background-color: #ff463e;
    transform: translateX(-50%);
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.lyrics {
    max-height: 250px;
    overflow-y: auto;
    margin-bottom: 15px;
    padding: 10px;
    /*background-color: #f8f8f8;*/
    border-radius: 5px;
    text-align: center;
    font-size: 14px;
}

.custom-range {
    -webkit-appearance: none;
    width: 100%;
    height: 5px;
    border-radius: 5px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
    transition: opacity .2s;
}

.custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #007bff;
    cursor: pointer;
}

.custom-range::-moz-range-thumb {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #007bff;
    cursor: pointer;
}

.song-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    cursor: pointer;
    padding: 5px;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.song-item:hover {
    background-color: #f0f0f0;
}

.song-item img {
    width: 50px;
    height: 50px;
    border-radius: 5px;
    margin-right: 10px;
}

.song-item-imgbox {
    width: 50px;
    height: 50px;
}

.song-info {
    flex: 1;
    max-width: 50%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-title {
    max-width: 60%;
    margin-bottom: 3px;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-time {
    font-size: 12px;
    color: #666;
}

.song-list {
    flex: 1;
    overflow-y: auto;
    max-height: calc(70vh - 100px);
}

@media (max-width: 1200px) {
    .main-container {
        flex-wrap: wrap;
    }

    .generator-panel, .player-container, .song-list-container {
        flex: 1 1 calc(50% - 20px);
        margin-bottom: 20px;
    }

    .song-list-container {
        margin-right: 20px;
    }
}

@media (max-width: 767px) {
    .main-container {
        flex-direction: column;
        padding: 10px;
    }

    .player-container, .generator-panel, .song-list-container {
        width: 100%;
        margin-right: 0;
        margin-bottom: 80px;
    }

    .generator-panel {
        position: fixed;
        top: 0;
        left: -80%;
        width: 80%;
        height: 100%;
        z-index: 1000;
        transition: 0.3s ease-in-out;
    }

    .song-list-container {
        position: fixed;
        top: 0;
        right: -80%;
        width: 80%;
        height: 100%;
        z-index: 1000;
        transition: 0.3s ease-in-out;
    }

    .generator-panel.open {
        left: 0;
    }

    .song-list-container.open {
        right: 0;
    }

    .overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    .overlay.open {
        display: block;
    }

    .song-list {
        flex: 1;
        overflow-y: auto;
        max-height: calc(100vh - 100px);
    }
}

.song-info {
    flex-grow: 1;
    margin-left: 10px;
}

.song-actions {
    display: flex;
}

.song-actions button {
    background: none;
    border: none;
    cursor: pointer;
    margin-right: 5px;
    font-size: 16px;
}

.download-btn {
    color: #0b87da;
}

.play-btn {
    color: #4CAF50;
}

.delete-btn {
    color: #F44336;
}

.current-song-title {
    max-width: 80%; /* 或其他百分比值 */
    font-size: 25px;
    font-family: Apple Chancery, cursive;
    font-weight: bold;
    margin: 5px auto;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

.song-actions .fa-spinner {
    animation: spin 2s infinite linear;
    color: #55b155;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.play-mode .dropdown-toggle {
    min-width: 100px;
}

.play-mode .dropdown-menu {
    min-width: 100px;
}

.play-mode .dropdown-item.active {
    background-color: #007bff;
    color: white;
}

.song-item.playing {
    background-color: #e6f3ff;
    font-weight: bold;
}

#video-container {
    width: 90%;
    max-width: 400px;
    margin: 10% auto;
    background-color: #000;
    border-radius: 10px;
    overflow: hidden;
    min-height: 500px;
}

#video-player {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 768px) {
    #video-container {
        width: 90%;
    }
}

#loading-message {
    position: absolute;
    top: 50%;
    left: 48.5%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    text-align: center;
    z-index: 11;
}

.hidden {
    display: none;
}

.no-songs, .no-more-songs {
    text-align: center;
    padding: 20px;
    color: lightgray;
    font-style: italic;
}

.no-more-songs {
    margin-top: 20px;
    border-top: 1px solid lightgray;
}