/* ========== 播放器全局样式 ========== */
.music-player-widget * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

.music-player-widget {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 100;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    /* 整体尺寸缩放变量，方便适配 */
    --cover-size: 60px;
    --panel-width: 260px;
    --transition: 0.25s cubic-bezier(0.2, 0.9, 0.3, 1);
    --theme-color: #4cc3c6;  /* 指定的主题色 */
}

/* 主控件：圆形封面与旋转动画 */
.music-player-widget .player-button {
    width: var(--cover-size);
    height: var(--cover-size);
    border-radius: 50%;
    background: #1e1e2f;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    cursor: pointer;
    transition: box-shadow 0.2s, transform 0.2s;
    border: 2px solid var(--theme-color);  /* 主题色边框 */
    position: relative;
}

.music-player-widget .player-button:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.6);
}

.music-player-widget .cover-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 50%;
    pointer-events: none;
}

/* 旋转动画：当播放时添加 .playing 类，让整个按钮旋转 */
.music-player-widget.playing .player-button {
    animation: spin 10s infinite linear;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 右侧浮层面板 */
.music-player-widget .player-panel {
    position: absolute;
    left: calc(var(--cover-size) + 12px);
    bottom: 0;
    width: var(--panel-width);
    background: rgba(28, 28, 38, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 24px;
    padding: 16px 14px;
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #f0f0f8;
    opacity: 0;
    transform: translateX(10px) scale(0.95);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    pointer-events: none;
    transform-origin: left center;
    visibility: hidden;
}

/* 通过hover或点击保持显示 */
.music-player-widget .player-panel.visible,
.music-player-widget:hover .player-panel {
    opacity: 1;
    transform: translateX(0) scale(1);
    pointer-events: auto;
    visibility: visible;
}

/* 针对移动设备：单击后保持visible类，便于交互 */
.music-player-widget .player-panel.visible {
    opacity: 1;
    transform: translateX(0) scale(1);
    pointer-events: auto;
    visibility: visible;
}

/* 添加延迟消失的类 - 由JS控制 */
.music-player-widget .player-panel.delayed-hide {
    transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s ease;
    opacity: 0;
    transform: translateX(10px) scale(0.95);
    pointer-events: none;
    visibility: hidden;
}

/* 面板内部布局 */
.music-player-widget .song-info {
    margin-bottom: 14px;
}

.music-player-widget .song-name {
    font-weight: 600;
    font-size: 1.1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fff;
}

.music-player-widget .artist {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 进度条 - 使用完整渐变色 */
.music-player-widget .progress-area {
    margin: 12px 0 8px;
}

.music-player-widget .progress-bar {
    width: 100%;
    height: 5px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    cursor: pointer;
    position: relative;
}

.music-player-widget .progress-fill {
    width: 0%;
    height: 100%;
    background: -webkit-linear-gradient(left, 
        #425574, #508494, #65866c, #3c969c, #71acaf, #4cc3c6,
        #7dc8a4, #9fd08a, #dfe482, #eee89d, #e8e390,
        #f6b65b, #e77a22, #d35303
    );
    border-radius: 10px;
    pointer-events: none;
    transition: width 0.1s linear;
}

.music-player-widget .time-indicator {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 4px;
}

/* 控制按钮行 */
.music-player-widget .player-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 12px 0 10px;
}

.music-player-widget .ctrl-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.4rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.2s;
}

.music-player-widget .ctrl-btn:active {
    background: rgba(255,255,255,0.15);
}

.music-player-widget .play-pause {
    background: rgba(255,255,255,0.1);
    font-size: 1.8rem;
}

.music-player-widget .volume-area {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    margin-left: 8px;
}

.music-player-widget .volume-icon {
    font-size: 1.2rem;
    opacity: 0.7;
}

.music-player-widget .volume-slider {
    flex: 1;
    height: 5px;
    background: rgba(255,255,255,0.2);
    border-radius: 10px;
    position: relative;
    cursor: pointer;
}

.music-player-widget .volume-fill {
    width: 70%;
    height: 100%;
    background: #fff;
    border-radius: 10px;
}

/* 模式选择器 */
.music-player-widget .mode-selector {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 8px 0;
    padding: 4px 0;
}

.music-player-widget .mode-btn {
    background: rgba(255,255,255,0.1);
    border: none;
    color: #ccc;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.music-player-widget .mode-btn.active {
    background: var(--theme-color);
    color: #fff;
    border-color: rgba(255,255,255,0.3);
}

/* 底部操作行 */
.music-player-widget .footer-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 12px;
}

.music-player-widget .action-btn {
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    padding: 6px 12px;
    border-radius: 30px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.music-player-widget .action-btn:active {
    background: rgba(255,255,255,0.25);
}

.music-player-widget .playlist-badge {
    background: var(--theme-color);
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.7rem;
}

/* 搜索弹窗 */
.music-player-widget .search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100000;
}

.music-player-widget .search-modal.active {
    display: flex;
}

.music-player-widget .modal-content {
    width: 90%;
    max-width: 400px;
    max-height: 70vh;
    background: #2a2a3a;
    border-radius: 32px;
    padding: 20px;
    box-shadow: 0 30px 40px #000;
    border: 1px solid #444;
    color: white;
    display: flex;
    flex-direction: column;
}

.music-player-widget .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    font-weight: 600;
}

.music-player-widget .close-modal {
    background: none;
    border: none;
    color: #ccc;
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
}

.music-player-widget .search-input-area {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.music-player-widget .search-input-area input {
    flex: 1;
    padding: 12px 16px;
    border-radius: 40px;
    border: none;
    background: #1e1e2a;
    color: white;
    font-size: 1rem;
    outline: 1px solid #555;
}

.music-player-widget .search-input-area button {
    background: var(--theme-color);
    border: none;
    border-radius: 40px;
    padding: 0 20px;
    color: white;
    font-weight: bold;
    cursor: pointer;
}

.music-player-widget .search-result-list {
    overflow-y: auto;
    max-height: 300px;
    list-style: none;
}

.music-player-widget .search-result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: 16px;
    background: rgba(255,255,255,0.05);
    margin-bottom: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.music-player-widget .search-result-item:active {
    background: rgba(76, 195, 198, 0.3);
}

.music-player-widget .result-cover {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.music-player-widget .result-info {
    flex: 1;
    font-size: 0.9rem;
}

.music-player-widget .result-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.music-player-widget .result-artist {
    font-size: 0.7rem;
    opacity: 0.6;
}

/* 播放列表弹窗 */
.music-player-widget .playlist-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100000;
}

.music-player-widget .playlist-modal.active {
    display: flex;
}

.music-player-widget .playlist-content {
    width: 90%;
    max-width: 400px;
    max-height: 70vh;
    background: #2a2a3a;
    border-radius: 32px;
    padding: 20px;
    box-shadow: 0 30px 40px #000;
    border: 1px solid #444;
    color: white;
    display: flex;
    flex-direction: column;
}

.music-player-widget .playlist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    font-weight: 600;
}

/* 自定义滚动条样式 */
.music-player-widget .search-result-list::-webkit-scrollbar,
.music-player-widget .playlist-items::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.music-player-widget .search-result-list::-webkit-scrollbar-track,
.music-player-widget .playlist-items::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.music-player-widget .search-result-list::-webkit-scrollbar-thumb,
.music-player-widget .playlist-items::-webkit-scrollbar-thumb {
    background: var(--theme-color, #4cc3c6);
    border-radius: 10px;
    transition: background 0.2s;
}

.music-player-widget .search-result-list::-webkit-scrollbar-thumb:hover,
.music-player-widget .playlist-items::-webkit-scrollbar-thumb:hover {
    background: #5fd0d3;
}

/* Firefox 滚动条样式 */
.music-player-widget .search-result-list,
.music-player-widget .playlist-items {
    scrollbar-width: thin;
    scrollbar-color: var(--theme-color, #4cc3c6) rgba(255, 255, 255, 0.1);
}

/* 针对Edge/IE的滚动条样式 */
.music-player-widget .search-result-list::-ms-scrollbar,
.music-player-widget .playlist-items::-ms-scrollbar {
    width: 6px;
}

.music-player-widget .search-result-list::-ms-scrollbar-track,
.music-player-widget .playlist-items::-ms-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.music-player-widget .search-result-list::-ms-scrollbar-thumb,
.music-player-widget .playlist-items::-ms-scrollbar-thumb {
    background: var(--theme-color, #4cc3c6);
    border-radius: 10px;
}

/* 可选：给模态框内容也添加更美观的滚动条 */
.music-player-widget .modal-content::-webkit-scrollbar,
.music-player-widget .playlist-content::-webkit-scrollbar {
    width: 6px;
}

.music-player-widget .modal-content::-webkit-scrollbar-track,
.music-player-widget .playlist-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.music-player-widget .modal-content::-webkit-scrollbar-thumb,
.music-player-widget .playlist-content::-webkit-scrollbar-thumb {
    background: var(--theme-color, #4cc3c6);
    border-radius: 10px;
}

.music-player-widget .close-playlist {
    background: none;
    border: none;
    color: #ccc;
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
}

.music-player-widget .playlist-items {
    overflow-y: auto;
    max-height: 400px;
    list-style: none;
}

.music-player-widget .playlist-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 16px;
    background: rgba(255,255,255,0.05);
    margin-bottom: 8px;
    cursor: pointer;
    transition: background 0.2s;
    position: relative;
}

.music-player-widget .playlist-item.active {
    background: rgba(76, 195, 198, 0.3);
    border-left: 3px solid var(--theme-color);
}

.music-player-widget .playlist-item-cover {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.music-player-widget .playlist-item-info {
    flex: 1;
    font-size: 0.9rem;
}

.music-player-widget .playlist-item-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.music-player-widget .playlist-item-artist {
    font-size: 0.7rem;
    opacity: 0.6;
}

.music-player-widget .delete-from-playlist {
    background: rgba(255,80,80,0.2);
    border: none;
    color: #ff9999;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.music-player-widget .delete-from-playlist:active {
    background: rgba(255,80,80,0.5);
}

/* 响应式: 移动端面板宽度稍小 */
@media (max-width: 480px) {
    .music-player-widget {
        --panel-width: 240px;
    }
}

/* ===== 新增：底部全宽频率柱画布容器 ===== */
.visualizer-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;          /* 高度可调 */
    background: transparent; /* 透明背景 */
    /*border-top: 2px solid rgba(56, 72, 122, 0.3);  半透明边框 */
    z-index: 99;            /* 略低于播放器(100)但覆盖页面 */
    pointer-events: none;    /* 让点击穿透到播放器 */
    /* box-shadow: 0 -5px 20px rgba(0,0,0,0.3); */
}

#frequency-canvas {
    display: block;
    width: 100%;
    height: 100%;
    background: transparent;    /* 透明背景 */
}