/* ========================================
   🎵 左侧隐藏式抽屉播放器 — 极简现代风格
   参考设计：myhkw.cn
   ======================================== */

/* ========== 全局重置与变量 ========== */
:root {
    --mbp-bg: #ffffff;
    --mbp-bg-secondary: #f5f5f7;
    --mbp-bg-tertiary: #e8e8ed;
    --mbp-text-primary: #1d1d1f;
    --mbp-text-secondary: #86868b;
    --mbp-text-tertiary: #aeaeb2;
    --mbp-accent: #c9a96e;
    --mbp-accent-light: #e8d5a3;
    --mbp-accent-dark: #b8953e;
    --mbp-border: #e5e5e5;
    --mbp-shadow: 0 2px 20px rgba(0,0,0,0.08);
    --mbp-shadow-strong: 0 4px 30px rgba(0,0,0,0.12);
    --mbp-radius: 12px;
    --mbp-radius-sm: 8px;
    --mbp-radius-full: 50%;
    --mbp-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --mbp-drawer-width: 500px;
    --mbp-minibar-width: 54px;
}

@property --angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

/* ========== 迷你播放条（收起状态）= 左侧垂直浮窗 ========== */
.player-toggle-btn {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 99998;
    width: var(--mbp-minibar-width);
    background: rgba(255,255,255,0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--mbp-border);
    border-left: none;
    border-radius: 0 16px 16px 0;
    box-shadow: 2px 4px 20px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 0;
    gap: 10px;
    cursor: pointer;
    transition: var(--mbp-transition);
    user-select: none;
}

.player-toggle-btn:hover {
    background: rgba(255,255,255,0.96);
    box-shadow: 4px 6px 24px rgba(0,0,0,0.12);
    width: 58px;
}

.player-toggle-btn.playing {
    border-color: var(--mbp-accent-light);
}

/* 迷你条封面 */
.toggle-cover-wrap {
    position: relative;
    width: 36px;
    height: 36px;
    border-radius: var(--mbp-radius-full);
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.toggle-cover-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--mbp-text-tertiary);
    background: var(--mbp-bg-secondary);
    z-index: 1;
}

.toggle-cover {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 2;
    display: none;
}

.toggle-cover[style*="background-image"] {
    display: block;
}
.toggle-cover[style*="background-image"] ~ .toggle-cover-icon {
    display: none;
}

/* 迷你条信息（垂直布局） */
.toggle-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    width: 100%;
    padding: 0 2px;
}

.toggle-title {
    font-size: 9px;
    color: var(--mbp-text-primary);
    font-weight: 600;
    writing-mode: vertical-rl;
    letter-spacing: 2px;
    line-height: 1.3;
    max-height: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

.toggle-artist {
    display: none;
}

/* 迷你条控制按钮（垂直排列） */
.toggle-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--mbp-text-secondary);
    font-size: 14px;
    cursor: pointer;
    padding: 2px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--mbp-radius-full);
    transition: var(--mbp-transition);
}

.toggle-btn:hover {
    background: var(--mbp-bg-tertiary);
    color: var(--mbp-text-primary);
}

.toggle-play {
    background: var(--mbp-accent);
    color: #fff;
    width: 32px;
    height: 32px;
}

.toggle-play:hover {
    background: var(--mbp-accent-dark);
    transform: scale(1.05);
}

/* 展开按钮 */
.toggle-expand {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
    padding: 4px;
    color: var(--mbp-text-tertiary);
    transition: var(--mbp-transition);
}

.toggle-expand:hover {
    color: var(--mbp-accent);
}

.expand-icon {
    font-size: 12px;
    display: block;
}

.expand-text {
    font-size: 8px;
    writing-mode: vertical-rl;
    letter-spacing: 1px;
}

/* ========== 完整播放器（展开状态）= 左侧抽屉 ========== */
.music-player-container {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: var(--mbp-drawer-width);
    height: 100vh;
    z-index: 99999;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: var(--mbp-shadow-strong);
    overflow: hidden;
    flex-direction: column;
}

/* 展开滑入动画 */
@keyframes drawerSlideIn {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

.music-player-container[style*="display: flex"],
.music-player-container[style*="display:flex"] {
    animation: drawerSlideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.player-container {
    display: flex;
    height: 100%;
    width: 100%;
    flex-direction: row;
    position: relative;
}

/* ========== 左侧侧边栏（歌单+歌曲列表）= 窄条设计 ========== */
.player-sidebar {
    width: 220px;
    min-width: 220px;
    background: var(--mbp-bg-secondary);
    border-right: 1px solid var(--mbp-border);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--mbp-transition);
}

.player-sidebar.collapsed {
    width: 0;
    min-width: 0;
    overflow: hidden;
    border-right: none;
}

/* 侧边栏内容 */
.sidebar-section {
    padding: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.songs-section {
    flex: 1;
}

/* 歌单头部 */
.section-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
    flex-shrink: 0;
}

.section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--mbp-text-primary);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.section-toggle {
    background: none;
    border: none;
    font-size: 14px;
    color: var(--mbp-text-tertiary);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    transition: var(--mbp-transition);
}

.section-toggle:hover {
    color: var(--mbp-text-primary);
    background: var(--mbp-bg-tertiary);
}

.song-count-badge {
    font-size: 10px;
    color: var(--mbp-text-tertiary);
    background: var(--mbp-bg-tertiary);
    padding: 1px 6px;
    border-radius: 10px;
    flex-shrink: 0;
}

.play-all-btn {
    font-size: 10px;
    color: #fff;
    background: var(--mbp-accent);
    border: none;
    padding: 3px 10px;
    border-radius: 14px;
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--mbp-transition);
    white-space: nowrap;
}

.play-all-btn:hover {
    background: var(--mbp-accent-dark);
}

/* 歌单网格 */
.group-grid {
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
    flex: 1;
    margin-bottom: 10px;
}

.group-grid::-webkit-scrollbar {
    width: 3px;
}
.group-grid::-webkit-scrollbar-thumb {
    background: var(--mbp-bg-tertiary);
    border-radius: 2px;
}

.group-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: var(--mbp-radius-sm);
    cursor: pointer;
    transition: var(--mbp-transition);
    background: transparent;
}

.group-card:hover {
    background: var(--mbp-bg-tertiary);
}

.group-card.active {
    background: var(--mbp-bg);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.group-card.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.group-card-cover {
    width: 28px;
    height: 28px;
    border-radius: var(--mbp-radius-sm);
    background: var(--mbp-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.group-card-icon {
    font-size: 12px;
    color: var(--mbp-text-tertiary);
}

.group-card.active .group-card-cover {
    background: var(--mbp-accent-light);
}

.group-card.active .group-card-icon {
    color: var(--mbp-accent-dark);
}

.group-card-info {
    flex: 1;
    overflow: hidden;
}

.group-card-name {
    font-size: 11px;
    color: var(--mbp-text-primary);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.group-card-count {
    font-size: 9px;
    color: var(--mbp-text-tertiary);
}

/* 歌曲搜索 */
.songs-search {
    margin-bottom: 8px;
    flex-shrink: 0;
}

.songs-search-input {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--mbp-border);
    border-radius: var(--mbp-radius-sm);
    font-size: 11px;
    color: var(--mbp-text-primary);
    background: var(--mbp-bg);
    outline: none;
    box-sizing: border-box;
    transition: var(--mbp-transition);
}

.songs-search-input:focus {
    border-color: var(--mbp-accent);
    box-shadow: 0 0 0 2px rgba(201,169,110,0.15);
}

.songs-search-input::placeholder {
    color: var(--mbp-text-tertiary);
}

/* 歌曲列表 */
.songs-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-right: 2px;
}

.songs-list::-webkit-scrollbar {
    width: 3px;
}
.songs-list::-webkit-scrollbar-thumb {
    background: var(--mbp-bg-tertiary);
    border-radius: 2px;
}

.song-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--mbp-radius-sm);
    cursor: pointer;
    transition: var(--mbp-transition);
    background: transparent;
    position: relative;
}

.song-item:hover {
    background: var(--mbp-bg-tertiary);
}

.song-item.active {
    background: var(--mbp-bg);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.song-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: var(--mbp-accent);
    border-radius: 1px;
}

/* 歌曲封面 */
.song-item-cover-wrap {
    width: 34px;
    height: 34px;
    border-radius: var(--mbp-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
    background: var(--mbp-bg-tertiary);
}

.song-item-cover-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--mbp-text-tertiary);
}

.song-item-cover {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.song-item-cover[style*="display: none"] ~ .song-item-cover-icon,
.song-item-cover:not([src]) ~ .song-item-cover-icon {
    display: flex;
}

/* 歌曲信息 */
.song-item-info {
    flex: 1;
    overflow: hidden;
    min-width: 0;
}

.song-item-title {
    font-size: 13px;
    color: var(--mbp-text-primary);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4;
}

.song-item-artist {
    font-size: 11px;
    color: var(--mbp-text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
}

.song-item-playcount {
    font-size: 10px;
    color: var(--mbp-text-tertiary);
    flex-shrink: 0;
    min-width: 32px;
    text-align: right;
}

/* 歌曲状态指示 */
.song-item-status {
    display: flex;
    align-items: center;
    gap: 3px;
    flex-shrink: 0;
    width: 20px;
    justify-content: center;
}

.playing-indicator {
    display: none;
    width: 4px;
    height: 4px;
    background: var(--mbp-accent);
    border-radius: var(--mbp-radius-full);
}

.song-item.active .playing-indicator {
    display: block;
}

.song-item-playing {
    display: none !important;
}

.equalizer-bar {
    display: none;
}

/* 侧边栏折叠按钮 */
.sidebar-collapse-btn {
    position: absolute;
    right: 8px;
    bottom: 8px;
    width: 24px;
    height: 24px;
    background: var(--mbp-bg);
    border: 1px solid var(--mbp-border);
    border-radius: var(--mbp-radius-full);
    color: var(--mbp-text-secondary);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--mbp-transition);
    padding: 0;
    z-index: 100;
    line-height: 1;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.sidebar-collapse-btn:hover {
    background: var(--mbp-accent);
    color: #fff;
    border-color: var(--mbp-accent);
}

/* ========== 右测主播放区域 ========== */
.player-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    background: var(--mbp-bg);
}

/* 右侧内容容器（用于全屏模式左右布局） */
.player-content-right {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1;
}

/* 顶部栏 */
.player-top-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 10px 16px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--mbp-border);
}

.player-close-btn {
    background: none;
    border: none;
    color: var(--mbp-text-secondary);
    font-size: 12px;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: var(--mbp-radius-sm);
    transition: var(--mbp-transition);
    display: flex;
    align-items: center;
    gap: 4px;
}

.player-close-btn:hover {
    background: var(--mbp-bg-tertiary);
    color: var(--mbp-text-primary);
}

/* 顶部栏操作按钮组 */
.player-top-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 全屏按钮 */
.player-fullscreen-btn {
    background: none;
    border: none;
    color: var(--mbp-text-secondary);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--mbp-radius-sm);
    transition: var(--mbp-transition);
    display: flex;
    align-items: center;
    line-height: 1;
}

.player-fullscreen-btn:hover {
    background: var(--mbp-bg-tertiary);
    color: var(--mbp-text-primary);
}

.player-fullscreen-btn.active {
    color: var(--mbp-accent);
}

/* ========== 全屏模式 - 大气宽敞布局 ========== */
.music-player-container.fullscreen {
    position: fixed !important;
    left: 0 !important;
    top: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    max-width: none !important;
    z-index: 999999 !important;
    border-radius: 0 !important;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f2 100%);
}

.music-player-container.fullscreen .player-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    height: 100vh;
    padding: 72px 40px 0;
    gap: 40px;
}

/* 全屏左侧：封面 + 频谱可视化 */
.music-player-container.fullscreen .player-sidebar {
    display: none;
}

.music-player-container.fullscreen .player-main {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 50px;
    padding: 0;
    background: transparent;
    flex: 1;
}

/* 全屏左侧封面区域 */
.music-player-container.fullscreen .player-cover-section {
    flex-shrink: 0;
   
    display: flex;
    align-items: center;
    justify-content: center;
}

.music-player-container.fullscreen .player-cover-wrapper {
    width: 320px;
    height: 320px;
}

/* 全屏右侧内容区 */
.music-player-container.fullscreen .player-content-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
    min-width: 0;
    max-width: 520px;
}

/* 全屏顶部栏 */
.music-player-container.fullscreen .player-top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 16px 30px;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

.music-player-container.fullscreen .player-volume-control {
    margin-right: auto;
}

.music-player-container.fullscreen .player-visualizer {
    display: none;
}

/* 全屏歌曲信息 */
.music-player-container.fullscreen .player-song-info {
    padding: 0;
    text-align: left;
}

.music-player-container.fullscreen .player-song-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--mbp-text-primary);
    line-height: 1.3;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.music-player-container.fullscreen .player-song-artist {
    font-size: 18px;
    color: var(--mbp-text-secondary);
    font-weight: 400;
}

.music-player-container.fullscreen .player-song-source {
    font-size: 13px;
    color: var(--mbp-text-tertiary);
    margin-top: 4px;
}

/* 全屏歌词区域 - 放大 */
.music-player-container.fullscreen .player-lyrics-section {
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.music-player-container.fullscreen .lyrics-scroll {
    height: 100%;
    overflow-y: auto;
    scroll-behavior: smooth;
}

.music-player-container.fullscreen .lyrics-content {
    padding: 8px 0;
}

.music-player-container.fullscreen .lyrics-line {
    font-size: 15px;
    line-height: 2;
    padding: 4px 0;
    color: var(--mbp-text-tertiary);
    transition: color 0.3s, font-size 0.3s;
}

.music-player-container.fullscreen .lyrics-line.active {
    color: var(--mbp-accent);
    font-size: 17px;
    font-weight: 600;
}

.music-player-container.fullscreen .lyrics-line.lyrics-empty {
    font-size: 15px;
    color: var(--mbp-text-tertiary);
    text-align: center;
    padding: 40px 0;
}

/* 全屏进度条 */
.music-player-container.fullscreen .player-progress-section {
    padding: 0;
    flex-shrink: 0;
}

.music-player-container.fullscreen .progress-bar {
    height: 6px;
    border-radius: 3px;
}

.music-player-container.fullscreen .progress-handle {
    width: 16px;
    height: 16px;
    margin-top: -8px;
}

.music-player-container.fullscreen .progress-time {
    font-size: 13px;
    margin-top: 6px;
}

/* 全屏播放控制 */
.music-player-container.fullscreen .player-controls {
    flex-shrink: 0;
    justify-content: center;
    gap: 16px;
    padding: 0;
}

.music-player-container.fullscreen .control-btn {
    width: 44px;
    height: 44px;
    font-size: 20px;
    border-radius: var(--mbp-radius-full);
    background: var(--mbp-bg);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.music-player-container.fullscreen .control-btn:hover {
    background: var(--mbp-bg-secondary);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transform: translateY(-1px);
}

.music-player-container.fullscreen .control-play {
    width: 52px;
    height: 52px;
    font-size: 22px;
    background: var(--mbp-accent);
    color: #fff;
    box-shadow: 0 4px 16px rgba(201,169,110,0.3);
}

.music-player-container.fullscreen .control-play:hover {
    background: var(--mbp-accent-dark) !important;
    box-shadow: 0 6px 24px rgba(201,169,110,0.4) !important;
}

.music-player-container.fullscreen .player-copyright {
    display: none;
}

/* 全屏响应式 - 中等屏幕 */
@media (max-width: 900px) {
    .music-player-container.fullscreen .player-container {
        padding: 72px 24px 0;
        gap: 24px;
    }

    .music-player-container.fullscreen .player-main {
        flex-direction: column;
        justify-content: center;
        gap: 24px;
    }

    .music-player-container.fullscreen .player-cover-wrapper {
        width: 220px;
        height: 220px;
    }

    .music-player-container.fullscreen .player-content-right {
        max-width: 100%;
        text-align: center;
    }

    .music-player-container.fullscreen .player-song-info {
        text-align: center;
    }

    .music-player-container.fullscreen .player-song-title {
        font-size: 26px;
    }

    .music-player-container.fullscreen .player-song-artist {
        font-size: 16px;
    }

    .music-player-container.fullscreen .player-lyrics-section {
        max-height: 160px;
    }
}

/* 全屏响应式 - 小屏幕 */
@media (max-width: 540px) {
    .music-player-container.fullscreen .player-container {
        padding: 72px 16px 0;
        gap: 16px;
    }

    .music-player-container.fullscreen .player-cover-wrapper {
        width: 160px;
        height: 160px;
    }

    .music-player-container.fullscreen .player-song-title {
        font-size: 22px;
    }

    .music-player-container.fullscreen .player-song-artist {
        font-size: 14px;
    }

    .music-player-container.fullscreen .player-lyrics-section {
        max-height: 120px;
    }

    .music-player-container.fullscreen .player-controls {
        gap: 12px;
    }

    .music-player-container.fullscreen .control-btn {
        width: 38px;
        height: 38px;
        font-size: 16px;
    }

    .music-player-container.fullscreen .control-play {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
}

/* 音量控制 */
.player-volume-control {
    display: flex;
    align-items: center;
    gap: 6px;
}

.volume-icon {
    font-size: 12px;
    color: var(--mbp-text-secondary);
    cursor: pointer;
    width: 20px;
    text-align: center;
}

.volume-slider {
    width: 60px;
    height: 4px;
    background: var(--mbp-bg-tertiary);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

.volume-fill {
    height: 100%;
    background: var(--mbp-accent);
    border-radius: 2px;
    transition: width 0.1s;
    position: relative;
}

/* ========== 频谱可视化 ========== */
.player-visualizer {
    height: 50px;
    flex-shrink: 0;
    overflow: hidden;
    opacity: 0.6;
}

.player-visualizer canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ========== 封面区域 ========== */
.player-cover-section {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px 16px 8px;
    flex-shrink: 0;
    position: relative;
}

.player-cover-wrapper {
    position: relative;
    width: 160px;
    height: 160px;
    flex-shrink: 0;
}

/* 封面背景模糊层 */
.player-cover-bg {
    display: none;
}

/* 圆形进度环 */
.progress-ring {
    position: absolute;
    inset: -6px;
    z-index: 5;
    pointer-events: none;
}

.progress-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.progress-ring-circle-bg {
    fill: none;
    stroke: var(--mbp-bg-tertiary);
    stroke-width: 3;
}

.progress-ring-circle {
    fill: none;
    stroke: url(#progressGradient);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 816.4;
    stroke-dashoffset: 816.4;
    transition: stroke-dashoffset 0.3s ease;
}

/* 黑胶唱片 */
.vinyl-disc {
    position: absolute;
    inset: 4px;
    border-radius: var(--mbp-radius-full);
    background: radial-gradient(circle at 35% 35%, #555, #222 40%, #1a1a1a 70%);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.5s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

@keyframes vinylSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.vinyl-disc.playing {
    animation: vinylSpin 4s linear infinite;
}

.grooves {
    position: absolute;
    inset: 15%;
    border-radius: var(--mbp-radius-full);
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: 
        inset 0 0 0 1px rgba(255,255,255,0.03),
        inset 0 0 0 8px rgba(255,255,255,0.02),
        inset 0 0 0 16px rgba(255,255,255,0.02),
        inset 0 0 0 24px rgba(255,255,255,0.02),
        inset 0 0 0 32px rgba(255,255,255,0.02);
}

.vinyl-label {
    width: 40px;
    height: 40px;
    border-radius: var(--mbp-radius-full);
    background: var(--mbp-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #fff;
    z-index: 1;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* 封面图片 */
.player-cover {
    position: absolute;
    inset: 4px;
    width: calc(100% - 8px);
    height: calc(100% - 8px);
    object-fit: cover;
    border-radius: var(--mbp-radius-full);
    z-index: 3;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.player-cover[src=""],
.player-cover:not([src]) {
    display: none !important;
}

.player-cover-placeholder {
    position: absolute;
    inset: 4px;
    border-radius: var(--mbp-radius-full);
    background: var(--mbp-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    font-size: 40px;
    color: var(--mbp-text-tertiary);
}

.player-cover[src]:not([src=""]) ~ .player-cover-placeholder,
.player-cover[style*="block"] ~ .player-cover-placeholder {
    display: none;
}

/* ========== 歌曲信息 ========== */
.player-song-info {
    text-align: center;
    padding: 8px 16px 4px;
    flex-shrink: 0;
}

.player-song-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--mbp-text-primary);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.player-song-artist {
    font-size: 12px;
    color: var(--mbp-text-secondary);
    margin: 2px 0 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.player-song-source {
    font-size: 10px;
    color: var(--mbp-text-tertiary);
    margin: 2px 0 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ========== 歌词区域 ========== */
.player-lyrics-section {
    flex: 1;
    overflow: hidden;
    padding: 4px 16px 0;
    min-height: 0;
}

.lyrics-scroll {
    height: 100%;
    overflow-y: auto;
    scroll-behavior: smooth;
}

.lyrics-scroll::-webkit-scrollbar {
    width: 3px;
}
.lyrics-scroll::-webkit-scrollbar-thumb {
    background: var(--mbp-bg-tertiary);
    border-radius: 2px;
}

.lyrics-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 4px 0;
}

.lyrics-line {
    font-size: 12px;
    color: var(--mbp-text-tertiary);
    line-height: 1.6;
    text-align: center;
    padding: 2px 8px;
    transition: var(--mbp-transition);
    margin: 0;
}

.lyrics-line.active {
    color: var(--mbp-text-primary);
    font-weight: 500;
    font-size: 13px;
}

.lyrics-line.lyrics-empty {
    color: var(--mbp-text-tertiary);
    font-style: italic;
}

/* ========== 进度条 ========== */
.player-progress-section {
    padding: 6px 16px 4px;
    flex-shrink: 0;
}

.progress-bar {
    height: 4px;
    background: var(--mbp-bg-tertiary);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--mbp-accent);
    border-radius: 2px;
    width: 0%;
    position: relative;
    transition: width 0.1s linear;
}

.progress-handle {
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: #fff;
    border: 2px solid var(--mbp-accent);
    border-radius: var(--mbp-radius-full);
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.progress-bar:hover .progress-handle {
    opacity: 1;
}

.progress-time {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3px;
    font-size: 10px;
    color: var(--mbp-text-tertiary);
    font-variant-numeric: tabular-nums;
}

.time-separator {
    margin: 0 2px;
}

/* ========== 播放控制 ========== */
.player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 6px 16px 10px;
    flex-shrink: 0;
}

.control-btn {
    background: none;
    border: none;
    cursor: pointer;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--mbp-radius-full);
    color: var(--mbp-text-secondary);
    font-size: 16px;
    transition: var(--mbp-transition);
}

.control-btn:hover {
    background: var(--mbp-bg-tertiary);
    color: var(--mbp-text-primary);
}

.control-play {
    width: 40px;
    height: 40px;
    background: var(--mbp-accent);
    color: #fff;
    font-size: 18px;
}

.control-play:hover {
    background: var(--mbp-accent-dark);
    transform: scale(1.05);
    color: #fff;
}

.control-icon {
    line-height: 1;
}

/* ========== 版权信息 ========== */
.player-copyright {
    font-size: 9px;
    color: var(--mbp-text-tertiary);
    text-align: center;
    padding: 6px 16px;
    flex-shrink: 0;
    border-top: 1px solid var(--mbp-border);
}

/* ========== 侧边栏展开按钮 ========== */
.sidebar-expand-btn {
    position: absolute;
    left: 8px;
    bottom: 8px;
    width: 24px;
    height: 24px;
    background: var(--mbp-bg);
    border: 1px solid var(--mbp-border);
    border-radius: var(--mbp-radius-full);
    color: var(--mbp-text-secondary);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--mbp-transition);
    padding: 0;
    z-index: 100;
    line-height: 1;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.sidebar-expand-btn:hover {
    background: var(--mbp-accent);
    color: #fff;
    border-color: var(--mbp-accent);
}

/* ========== 权限遮罩 ========== */
.permission-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 100000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.permission-dialog {
    background: #fff;
    border-radius: 16px;
    padding: 32px 28px 24px;
    width: 320px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.permission-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.permission-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--mbp-text-primary);
    margin: 0 0 8px;
}

.permission-message {
    font-size: 14px;
    color: var(--mbp-text-secondary);
    margin: 0 0 4px;
}

.permission-tip {
    font-size: 12px;
    color: var(--mbp-text-tertiary);
    margin: 0 0 20px;
}

.permission-close-btn {
    background: var(--mbp-accent);
    color: #fff;
    border: none;
    padding: 8px 28px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--mbp-transition);
}

.permission-close-btn:hover {
    background: var(--mbp-accent-dark);
}

/* ========== 隐藏的音频元素 ========== */
#audioPlayer {
    display: none !important;
}

/* ========== 响应式 ========== */
@media (max-width: 540px) {
    :root {
        --mbp-drawer-width: 100vw;
    }

    .player-sidebar {
        width: 120px;
        min-width: 120px;
    }

    .song-item-title {
        font-size: 12px;
    }

    .song-item-artist {
        font-size: 10px;
    }

    .song-item-playcount {
        display: none;
    }

    .song-item-cover-wrap {
        display: none;
    }

    .song-item-artist {
        display: none;
    }

    .song-item-playcount {
        display: none;
    }

    .song-item-status {
        display: none;
    }

    .song-item {
        gap: 0;
        padding: 8px 10px;
    }

    .player-cover-wrapper {
        width: 110px;
        height: 110px;
        animation: coverFloat 4s ease-in-out infinite;
    }

    .player-cover-wrapper::before {
        content: '';
        position: absolute;
        inset: -12px;
        border-radius: var(--mbp-radius-full);
        background: radial-gradient(circle, rgba(201,169,110,0.25) 0%, rgba(120,180,255,0.1) 40%, transparent 70%);
        z-index: -1;
        animation: coverGlow 4s ease-in-out infinite alternate;
        filter: blur(2px);
    }

    .player-cover-wrapper::after {
        content: '';
        position: absolute;
        inset: -3px;
        border-radius: var(--mbp-radius-full);
        padding: 2px;
        background: conic-gradient(from var(--angle, 0deg), rgba(201,169,110,0.4), rgba(120,180,255,0.2), rgba(201,110,180,0.3), rgba(201,169,110,0.4));
        -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        -webkit-mask-composite: xor;
        mask-composite: exclude;
        animation: borderSpin 6s linear infinite;
        pointer-events: none;
    }

    @keyframes coverFloat {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-6px); }
    }

    @keyframes coverGlow {
        0% { opacity: 0.4; transform: scale(1); filter: blur(2px); }
        50% { opacity: 0.8; transform: scale(1.08); }
        100% { opacity: 0.5; transform: scale(1.04); }
    }

    @keyframes borderSpin {
        from { --angle: 0deg; }
        to { --angle: 360deg; }
    }

    .player-cover-section {
        padding: 12px 16px 4px;
    }

    .progress-ring {
        display: none !important;
    }

    .vinyl-disc {
        display: none !important;
    }

    .player-cover {
        inset: 0 !important;
        width: 100% !important;
        height: 100% !important;
        border-radius: var(--mbp-radius-full);
        box-shadow: 0 6px 24px rgba(0,0,0,0.2);
        transition: transform 0.3s ease;
    }

    .player-cover:active {
        transform: scale(0.95);
    }

    .player-cover-placeholder {
        inset: 0 !important;
    }

    .player-toggle-btn {
        width: 46px;
        padding: 10px 0;
    }

    .toggle-cover-wrap {
        width: 30px;
        height: 30px;
    }

    .toggle-title {
        font-size: 8px;
        max-height: 40px;
    }

    .player-song-title {
        font-size: 14px;
    }

    .sidebar-collapse-btn,
    .sidebar-expand-btn {
        width: 20px;
        height: 20px;
        font-size: 12px;
        bottom: 6px;
        right: 6px;
    }
    .sidebar-expand-btn {
        right: auto;
        left: 6px;
    }
}

/* ========== Tooltip 提示（纯 CSS） ========== */
[data-tooltip] {
    position: relative;
}
[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--mbp-text-primary);
    color: #fff;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 6px;
    white-space: nowrap;
    z-index: 99999;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}