/* Base Styles - 基础样式不包含主题颜色 */

/* CSS Custom Properties */
:root {
    --sidebar-width: 0px;
    --safe-area-top: max(0px, env(safe-area-inset-top, 0px));
    --safe-area-right: max(0px, env(safe-area-inset-right, 0px));
    --safe-area-bottom: max(0px, env(safe-area-inset-bottom, 0px));
    --safe-area-left: max(0px, env(safe-area-inset-left, 0px));
    --bottom-nav-h: 64px;
    --bottom-nav-offset: calc(var(--bottom-nav-h) + var(--safe-area-bottom));
    --content-bottom-space: calc(var(--bottom-nav-offset) + 96px);
    --playlist-toolbar-sticky-top: var(--safe-area-top);
    --playlist-toolbar-sticky-height: 76px;
    --playlist-current-playing-sticky-top: calc(
        var(--playlist-toolbar-sticky-top) + var(--playlist-toolbar-sticky-height) + 8px
    );
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    height: 100dvh;
    overflow: hidden;
    scrollbar-width: none;
    overscroll-behavior: none;
    -webkit-text-size-adjust: 100%;
    touch-action: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

::-webkit-scrollbar { width: 0; height: 0; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: transparent; }

/* 基础布局 */
.tab-content { 
    padding: 16px; 
    padding-top: calc(16px + var(--safe-area-top));
    padding-left: max(16px, var(--safe-area-left));
    padding-right: max(16px, var(--safe-area-right));
    padding-bottom: var(--content-bottom-space); 
    height: 100%; 
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    overscroll-behavior: contain;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 本地歌曲标签页 - 特殊布局以支持 sticky breadcrumb */
#tree {
    padding: 0;
    padding-top: var(--safe-area-top);
    padding-left: var(--safe-area-left);
    padding-right: var(--safe-area-right);
    padding-bottom: var(--content-bottom-space);
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    overscroll-behavior: contain;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tab-content.tab-visible, #tree.tab-visible {
    opacity: 1;
}

h1 { font-size: 24px; font-weight: 600; margin-bottom: 16px; }

/* 按钮样式 */
button {
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}
button:active { transform: scale(0.98); }

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible {
    outline: 2px solid var(--accent-color, #4a9eff);
    outline-offset: 2px;
}

/* Modal 过渡动画 */
.modal, .search-modal {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.modal-visible, .search-modal.modal-visible {
    opacity: 1;
}

/* 标签导航 */
.tabs-nav { display: flex; border-bottom: 1px solid; transition: all 0.3s ease; }
.tab-btn {
    flex: 1;
    padding: 14px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}
.tab-btn.active { border-bottom-color: var(--text-primary); }

/* 本地歌曲内容区域（header 已移除）*/

.local-close-btn:active {
    transform: scale(0.95);
}

.local-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 0 16px;
}

/* 本地文件树状结构 */
.local-tree {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
}

.tree-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.tree-item:hover {
    background-color: var(--card-hover-bg);
}

.tree-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 12px;
    transition: transform 0.2s;
}

.tree-toggle.expanded {
    transform: rotate(90deg);
}

.tree-icon {
    font-size: 18px;
    min-width: 20px;
}

.tree-label {
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tree-folder .tree-label {
    font-weight: 600;
}

.tree-file .tree-toggle {
    opacity: 0;
    cursor: default;
}

/* 本地专辑卡片网格（目录显示） */
.local-album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    padding: 12px 0;
}

.local-album-grid.sub-grid {
    padding-left: 20px;
}

.local-album-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary, #1e1e1e);
    border: 1px solid var(--border-color, #333);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.local-album-card:hover {
    border-color: var(--accent-color, #1e90ff);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.local-album-card.expanded {
    border-color: var(--accent-color, #1e90ff);
    box-shadow: 0 0 0 2px rgba(30, 144, 255, 0.2);
}

.local-album-cover {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-tertiary, #2a2a2a);
    position: relative;
    overflow: hidden;
}

.local-album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.local-album-cover-placeholder {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: var(--bg-tertiary, #2a2a2a);
}

.local-album-info {
    padding: 10px;
}

.local-album-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary, #fff);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 4px;
}

.local-album-count {
    font-size: 11px;
    color: var(--text-secondary, #888);
}

.local-album-expand-icon {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: #fff;
}

.local-album-content {
    margin: 12px 0;
    padding: 12px;
    background: var(--bg-tertiary, #1a1a1a);
    border-radius: 8px;
}

/* 面包屑导航 - Sticky Header */
.local-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    padding: 12px 16px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-secondary, #888);
    border-bottom: 1px solid var(--border-color, #333);
    position: sticky;
    top: var(--safe-area-top);
    z-index: 30;
    background: var(--bg-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.breadcrumb-home,
.breadcrumb-item {
    color: var(--accent-color, #1e90ff);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.breadcrumb-home:hover,
.breadcrumb-item:hover {
    background: var(--bg-secondary, #1e1e1e);
    color: var(--text-primary, #fff);
}

.breadcrumb-sep {
    color: var(--text-muted, #555);
    font-size: 12px;
}

/* 本地歌曲返回按钮 */
.local-return-btn {
    margin-left: auto; /* 推到最右侧 */
    background: none;
    border: none;
    color: var(--text-secondary, #888);
    font-size: 20px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s ease;
    flex-shrink: 0; /* 防止被挤压 */
}

.local-return-btn:hover {
    background: var(--bg-secondary, #1e1e1e);
    color: var(--text-primary, #fff);
}

.local-return-btn:active {
    transform: scale(0.95);
}

/* 本地歌曲列表（播放列表样式） */
.local-songs-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 0;
}

.local-song-item {
    cursor: pointer;
}

.local-song-item:hover {
    border-color: var(--accent-color, #1e90ff) !important;
}

/* 专辑资料库 */
.albums-tab {
    padding-top: 20px;
}

.albums-page,
.album-detail-page {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.albums-page-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.album-detail-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.albums-page-title-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.albums-refresh-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-secondary, #888);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s, color 0.15s;
}

.albums-refresh-icon-btn:hover {
    background: var(--hover-bg, rgba(255,255,255,0.1));
    color: var(--text-primary, #fff);
}

.albums-page-title,
.album-detail-title,
.albums-hero-title {
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.albums-page-title {
    font-size: clamp(32px, 6vw, 48px);
    margin: 0;
}

.albums-hero-subtitle,
.album-detail-subtitle,
.albums-hero-meta,
.album-detail-meta,
.album-card-subtitle,
.album-card-meta {
    color: var(--text-secondary, #888);
}

.albums-hero,
.album-detail-hero {
    display: grid;
    grid-template-columns: minmax(220px, 360px) minmax(0, 1fr);
    gap: 24px;
    align-items: center;
    padding: 24px;
    border-radius: 28px;
    border: 1px solid var(--border-color, #333);
    background:
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.08), transparent 40%),
        linear-gradient(135deg, var(--card-bg, #111) 0%, var(--bg-secondary, #1a1a1a) 100%);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.albums-hero-artwork-button {
    display: block;
    width: 100%;
    padding: 0;
    border: none;
    background: transparent;
}

.albums-hero-artwork,
.album-detail-artwork,
.album-card-artwork {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 24px;
    background: var(--bg-tertiary, #2a2a2a);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.25);
}

.albums-hero-artwork img,
.album-detail-artwork img,
.album-card-artwork img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.albums-hero-placeholder,
.album-detail-placeholder,
.album-card-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(44px, 8vw, 88px);
    color: var(--text-secondary, #888);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent);
}

.albums-hero-copy,
.album-detail-copy {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.albums-hero-title,
.album-detail-title {
    font-size: clamp(34px, 7vw, 64px);
    margin: 0;
}

.albums-hero-subtitle,
.album-detail-subtitle {
    font-size: 18px;
}

.albums-hero-meta,
.album-detail-meta {
    font-size: 14px;
}

.albums-hero-actions {
    display: flex;
    flex-wrap: nowrap;
    flex-direction: row;
    gap: 8px;
    margin-top: 8px;
}

@media (max-width: 640px) {
    .albums-hero,
    .album-detail-hero {
        grid-template-columns: 1fr;
    }

    .albums-hero-artwork-button {
        max-width: 220px;
        margin: 0 auto;
    }

    .albums-hero-actions {
        flex-direction: row;
        flex-wrap: nowrap;
    }
}

.albums-icon-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    border: 1px solid transparent;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.albums-icon-action-btn--primary {
    background: var(--accent-color, #4a9eff);
    border-color: transparent;
    color: #fff;
}

.albums-icon-action-btn--primary:hover {
    filter: brightness(1.15);
}

.albums-icon-action-btn--secondary {
    background: var(--button-bg, #1a1a1a);
    border-color: var(--button-border, #333);
    color: var(--text-primary, #fff);
}

.albums-icon-action-btn--secondary:hover {
    background: var(--hover-bg, rgba(255,255,255,0.1));
}

.albums-icon-action-btn--ghost {
    background: transparent;
    border-color: var(--border-color, #333);
    color: var(--text-secondary, #888);
}

.albums-icon-action-btn--ghost:hover {
    background: var(--hover-bg, rgba(255,255,255,0.08));
    color: var(--text-primary, #fff);
}

.albums-action-btn {
    min-height: 44px;
    padding: 11px 18px;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.albums-action-btn--primary {
    background: var(--accent-color, #4a9eff);
    border-color: transparent;
    color: #fff;
}

.albums-action-btn--secondary {
    background: var(--button-bg, #1a1a1a);
    border-color: var(--button-border, #333);
}

.albums-action-btn--ghost {
    background: transparent;
    border-color: var(--border-color, #333);
}

.albums-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.albums-section-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.albums-rail {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(190px, 220px);
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
}

.albums-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 18px;
}

.album-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px;
    border-radius: 22px;
    border: 1px solid var(--border-color, #333);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent), var(--card-bg, #111);
    cursor: pointer;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.album-card:hover {
    transform: translateY(-4px);
    border-color: rgba(74, 158, 255, 0.35);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.16);
}

.album-card--rail {
    min-width: 0;
}

.album-card-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.album-card-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary, #fff);
}

.album-card-subtitle,
.album-card-meta {
    font-size: 13px;
}

.album-detail-topbar {
    position: sticky;
    top: var(--safe-area-top);
    z-index: 12;
    padding-bottom: 8px;
    background: linear-gradient(180deg, var(--bg-primary, #0a0a0a) 72%, transparent 100%);
}

.album-detail-tracks {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.album-track-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.album-track-item {
    cursor: pointer;
}

.albums-empty-state {
    padding: 32px 20px;
    border-radius: 20px;
    border: 1px dashed var(--border-color, #333);
    text-align: center;
    color: var(--text-secondary, #888);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
}

.albums-empty-state--error {
    color: #ff7b7b;
}

/* 兼容旧版本的卡片样式 */
.local-song-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    padding: 12px 0;
}

.local-song-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary, #1e1e1e);
    border: 1px solid var(--border-color, #333);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
}

.local-song-card:hover {
    border-color: var(--accent-color, #1e90ff);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.local-song-cover {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-tertiary, #2a2a2a);
    position: relative;
    overflow: hidden;
}

.local-song-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.local-song-cover-placeholder {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: var(--bg-tertiary, #2a2a2a);
}

.local-song-info {
    padding: 12px;
}

.local-song-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary, #fff);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 4px;
}

.local-song-type {
    font-size: 11px;
    color: var(--text-secondary, #888);
}

/* 本地文件卡片 */
.local-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}
.local-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}
.local-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 24px;
}
.local-card-body { flex: 1; min-width: 0; }
.local-card-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.local-card-meta {
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 面包屑导航 */
.local-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    margin-bottom: 16px;
    border-radius: 8px;
    font-size: 13px;
}
.breadcrumb-home, .breadcrumb-item {
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

/* 统计值（跨页面一致样式） */
.stat-value {
    color: var(--text-primary);
    font-family: monospace;
    font-weight: 600;
}
.card-value {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 18px;
}


/* 播放列表 */
.playlist-empty { padding: 40px; text-align: center; }
.playlist-track-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    border: 1px solid;
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}
.playlist-track-item.current-playing {
    position: sticky;
    top: var(--playlist-current-playing-sticky-top);
    z-index: 20;
    background: var(--bg-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    overflow: visible;
}

/* 不可用歌曲标记（文件不存在等） */
.playlist-track-item.song-unavailable {
    opacity: 0.45;
}
.playlist-track-item.song-unavailable .track-title {
    text-decoration: line-through;
    color: #999;
}
.track-unavailable-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 12px;
    color: #ff9800;
}

/* 当前播放歌曲的水平进度条（底部） */
.track-progress-bar {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 4px;
    background: rgba(128, 128, 128, 0.2);
    z-index: 30;
}

.track-progress-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0%;
    height: 100%;
    background: #1e90ff;
    transition: width 0.3s linear;
}

/* 移除之前的margin-left */
.playlist-track-item.current-playing .track-left {
    margin-left: 0;
}

.track-cover {
    width: 70px;
    height: 70px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.playlist-track-item.current-playing .track-cover {
    width: 300px;
    height: 300px;
    border-radius: 12px;
}

.track-cover img { width: 100%; height: 100%; object-fit: cover; }
.track-cover-placeholder { display: none; }

/* 序列号 */
.track-seq {
    position: absolute;
    right: 12px;
    bottom: 12px;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 6px;
    line-height: 1.2;
}

/* 左侧：图片 + 类型 */
.track-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.track-type { 
    font-size: 11px; 
    text-align: center;
    max-width: 80px;
}

/* 中间：标题 + 信息 */
.track-info { 
    flex: 1; 
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.track-title {
    font-size: 16px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.playlist-track-item:not(.current-playing) .track-title {
    max-width: 200px;
}

.track-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.track-playlist-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100px;
}

.track-progress { 
    font-size: 11px;
    white-space: nowrap;
}

/* 当前播放歌曲的标题允许多行显示 */
.playlist-track-item.current-playing .track-title {
    font-size: 22px;
    white-space: normal;
    word-break: break-word;
    line-height: 1.6;
    display: -webkit-box;
    line-clamp: 3;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    max-height: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-menu-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 50%;
    flex-shrink: 0;
}

/* 拖拽手柄 - 移动端触摸拖拽（右侧） */
.drag-handle {
    width: 28px;
    height: 44px;
    min-width: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    touch-action: none;
    opacity: 0.5;
    transition: opacity 0.2s, transform 0.2s;
    flex-shrink: 0;
    -webkit-user-select: none;
    user-select: none;
    margin-left: auto;  /* 推到右侧 */
}
.drag-handle:active {
    cursor: grabbing;
    opacity: 1;
    transform: scale(1.1);
}
.drag-handle svg {
    pointer-events: none;
}

/* 三点菜单按钮在左侧 */
.track-menu-btn {
    order: -1;  /* 确保在最左侧 */
    margin-right: 8px;
    flex-shrink: 0;
}

/* 拖拽占位符 */
.drag-placeholder {
    background: var(--accent-light, rgba(59, 130, 246, 0.15));
    border: 2px dashed var(--accent-color, #3b82f6);
    border-radius: 8px;
    margin-bottom: 8px;
    transition: height 0.2s ease;
}

/* 拖拽中的元素样式 */
.playlist-track-item.dragging {
    opacity: 0.9;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    transform: scale(1.02);
    transition: none;
    pointer-events: none;
}

/* 底部导航栏 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-offset);
    border-top: 1px solid;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0 8px var(--safe-area-bottom);
    padding-left: max(8px, var(--safe-area-left));
    padding-right: max(8px, var(--safe-area-right));
    z-index: 99;
    transition: background-color 0.3s ease;
}
.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}
.nav-icon { font-size: 32px; }
.nav-label { font-size: 10px; font-weight: 500; }

/* 播放条 */
#playerBar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    z-index: 20;
    border-top: 1px solid;
}
#playerBar.footer-collapsed { opacity: 0; pointer-events: none; }
#playerBar.footer-expanded { opacity: 1; pointer-events: auto; }
.footer-content { display: flex; flex-direction: column; gap: 8px; }

#playerProgress {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    cursor: pointer;
}
#playerProgressFill { height: 100%; width: 0%; transition: width 0.1s; }

/* 歌单管理模态框 - 采用搜索操作菜单相同的设计风格 */
.playlists-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: var(--bottom-nav-offset);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.playlists-modal.modal-visible {
    opacity: 1;
    pointer-events: auto;
}

.playlists-modal-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: rgba(42, 42, 42, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.playlists-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: transparent;
    flex-shrink: 0;
}

.playlists-modal-header h2 {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: #fff;
}

.playlists-back-btn {
    display: none; /* 隐藏返回按钮 */
}

.playlists-add-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: #fff;
    transition: all 0.2s ease;
    margin-left: 12px;
    flex-shrink: 0;
    overflow: hidden;
}

.playlists-add-btn-label {
    display: none; /* 桌面端隐藏文字标签 */
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.playlists-add-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: scale(1.05);
}

.playlists-add-btn:active {
    transform: scale(0.95);
}

/* 关闭按钮 */
.playlists-close-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #999;
    font-size: 24px;
    transition: all 0.2s ease;
    flex-shrink: 0;
    overflow: hidden;
}

.playlists-close-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    font-size: 1em;
}

.playlists-close-btn-label {
    display: none; /* 桌面端隐藏文字标签 */
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.playlists-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.playlists-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px 24px;
    background: transparent;
}

/* ==========================================
   搜索加载动画
   ========================================== */
.search-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.95) 0%, rgba(118, 75, 162, 0.95) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.search-loading-overlay.visible {
    opacity: 1;
}

.search-loading-content {
    text-align: center;
    color: white;
}

.search-loading-spinner {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1.5s cubic-bezier(0.68, -0.55, 0.27, 1.55) infinite;
}

.spinner-ring:nth-child(1) {
    width: 100%;
    height: 100%;
    animation-delay: 0s;
    border-top-color: rgba(255, 255, 255, 0.9);
}

.spinner-ring:nth-child(2) {
    width: 75%;
    height: 75%;
    animation-delay: -0.5s;
    border-top-color: rgba(255, 255, 255, 0.7);
}

.spinner-ring:nth-child(3) {
    width: 50%;
    height: 50%;
    animation-delay: -1s;
    border-top-color: rgba(255, 255, 255, 0.5);
}

.search-loading-spinner .search-icon {
    position: relative;
    z-index: 1;
    animation: pulse 1.5s ease-in-out infinite;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.search-loading-message {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.5s ease-out;
}

.search-loading-submessage {
    font-size: 14px;
    opacity: 0.9;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.5s ease-out 0.1s backwards;
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 浅色主题下的搜索加载动画 */
[data-theme="light"] .search-loading-overlay {
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.95) 0%, rgba(0, 242, 254, 0.95) 100%);
}

/* 响应式调整 */
@media (max-width: 600px) {
    .search-loading-spinner {
        width: 100px;
        height: 100px;
    }
    
    .search-loading-message {
        font-size: 20px;
    }
    
    .search-loading-submessage {
        font-size: 13px;
    }
}

/* 歌单列表样式 */
.playlist-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border: none;
    border-radius: 12px;
    margin-bottom: 12px;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all 0.2s ease;
}

.playlist-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.playlist-item.selected {
    background: rgba(102, 126, 234, 0.18);
    border: 1.5px solid rgba(102, 126, 234, 0.5);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.playlist-item:active {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(0);
}

.playlist-icon {
    background: var(--playlist-icon-bg, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.playlist-item:hover .playlist-icon {
    transform: scale(1.05);
}

.playlist-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.playlist-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4;
}

.default-badge {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid;
    letter-spacing: 0.3px;
}

.room-badge {
    background: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
    color: #333;
    border-color: rgba(247, 151, 30, 0.3);
}

.playlist-count {
    font-size: 14px;
    opacity: 0.7;
    display: flex;
    align-items: center;
    gap: 6px;
}

.playlist-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.playlist-action-btn {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid;
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.playlist-action-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: scale(1.08);
}

.playlist-action-btn:active {
    transform: scale(0.95);
}

.playlists-empty {
    padding: 40px 24px;
    text-align: center;
    border: 1px dashed;
    border-radius: 14px;
}

.playlists-empty-icon {
    font-size: 42px;
    margin-bottom: 10px;
}

.playlists-empty-text {
    font-size: 16px;
    font-weight: 600;
}

.playlists-empty-hint {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 8px;
}

.playlist-count-icon {
    opacity: 0.6;
    display: inline-flex;
    align-items: center;
}

#playlistsModal .playlists-library-page {
    max-width: 1180px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 26px;
    padding-bottom: 32px;
}

#playlistsModal .playlists-library-card.playlist-item.selected {
    border-color: rgba(74, 158, 255, 0.62);
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.14), 0 18px 42px rgba(0, 0, 0, 0.18);
}

#playlistsModal .playlist-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 22px;
    background: var(--playlist-cover-bg, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    box-shadow: 0 20px 42px rgba(0, 0, 0, 0.26);
    flex-shrink: 0;
}

#playlistsModal .playlist-cover-mosaic {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
}

#playlistsModal .playlist-cover-mosaic-cell {
    min-width: 0;
    min-height: 0;
    background: rgba(255, 255, 255, 0.08);
}

#playlistsModal .playlist-cover-mosaic-cell img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

#playlistsModal .playlist-cover-mosaic-cell--empty {
    background: rgba(0, 0, 0, 0.16);
}

#playlistsModal .playlist-cover-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(40px, 8vw, 84px);
    color: rgba(255, 255, 255, 0.88);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent);
}

#playlistsModal .playlist-cover-placeholder--overlay {
    inset: auto 12px 12px auto;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    font-size: 20px;
    color: #fff;
    background: rgba(0, 0, 0, 0.48);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#playlistsModal .playlists-library-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

#playlistsModal .playlists-library-section-title {
    margin: 0;
    color: var(--text-primary, #fff);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0;
}

#playlistsModal .playlists-library-rail {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(186px, 220px);
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: none;
}

#playlistsModal .playlists-library-rail::-webkit-scrollbar {
    display: none;
}

#playlistsModal .youtube-updates-section {
    gap: 12px;
}

#playlistsModal .playlists-recommendations-section {
    padding-top: 2px;
}

#playlistsModal .recommendation-rules-section {
    gap: 12px;
}

#playlistsModal .recommendation-rules-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
}

#playlistsModal .recommendation-rules-heading {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

#playlistsModal .recommendation-rules-summary {
    color: var(--text-secondary, #888);
    font-size: 13px;
    line-height: 1.35;
}

#playlistsModal .recommendation-rules-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-shrink: 0;
}

#playlistsModal .recommendation-rules-max,
#playlistsModal .recommendation-rule-select-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary, #888);
    font-size: 13px;
    white-space: nowrap;
}

#playlistsModal .recommendation-rules-max select,
#playlistsModal .recommendation-rule-select-wrap select {
    min-height: 34px;
    max-width: 100%;
    color: var(--text-primary, #fff);
    border: 1px solid var(--button-border, rgba(255, 255, 255, 0.12));
    border-radius: 8px;
    background: var(--button-bg, rgba(255, 255, 255, 0.06));
    padding: 0 28px 0 10px;
    font: inherit;
    font-size: 13px;
}

#playlistsModal .recommendation-rules-save-btn {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px;
    color: var(--text-primary, #fff);
    font: inherit;
    font-size: 13px;
    font-weight: 700;
    border-radius: 8px;
    border: 1px solid rgba(74, 158, 255, 0.36);
    background: rgba(74, 158, 255, 0.14);
    cursor: pointer;
}

#playlistsModal .recommendation-rules-save-btn:hover:not(:disabled),
#playlistsModal .recommendation-rules-save-btn:focus-visible:not(:disabled) {
    background: rgba(74, 158, 255, 0.22);
    border-color: rgba(74, 158, 255, 0.52);
}

#playlistsModal .recommendation-rules-save-btn:disabled {
    cursor: default;
    opacity: 0.52;
}

#playlistsModal .recommendation-rules-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#playlistsModal .recommendation-rule-row {
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(138px, 170px) minmax(230px, 280px) minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
}

#playlistsModal .recommendation-rule-row--disabled {
    opacity: 0.66;
}

#playlistsModal .recommendation-rule-toggle {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--text-primary, #fff);
    font-size: 14px;
    font-weight: 700;
}

#playlistsModal .recommendation-rule-toggle input {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    accent-color: var(--accent-color, #1db954);
}

#playlistsModal .recommendation-rule-select-wrap {
    justify-content: flex-start;
}

#playlistsModal .recommendation-rule-select-wrap select {
    width: min(210px, 100%);
}

#playlistsModal .recommendation-rule-meta {
    min-width: 0;
    color: var(--text-secondary, #888);
    font-size: 12px;
    line-height: 1.35;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#playlistsModal .youtube-updates-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

#playlistsModal .youtube-updates-heading {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

#playlistsModal .youtube-updates-source {
    color: var(--text-secondary, #888);
    font-size: 13px;
    line-height: 1.35;
}

#playlistsModal .youtube-updates-header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-shrink: 0;
}

#playlistsModal .youtube-updates-count {
    color: var(--text-secondary, #888);
    font-size: 13px;
    white-space: nowrap;
}

#playlistsModal .youtube-updates-more-btn {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px;
    color: var(--text-primary, #fff);
    font: inherit;
    font-size: 13px;
    font-weight: 700;
    border-radius: 999px;
    border: 1px solid var(--button-border, rgba(255, 255, 255, 0.12));
    background: var(--button-bg, rgba(255, 255, 255, 0.06));
    cursor: pointer;
}

#playlistsModal .youtube-updates-more-btn:hover,
#playlistsModal .youtube-updates-more-btn:focus-visible {
    background: var(--hover-bg, rgba(255, 255, 255, 0.12));
    border-color: rgba(255, 255, 255, 0.22);
}

#playlistsModal .youtube-updates-rail {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(320px, 380px);
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: none;
}

#playlistsModal .youtube-updates-rail--list {
    grid-auto-flow: row;
    grid-template-columns: 1fr;
    grid-auto-columns: initial;
    overflow-x: visible;
    padding-bottom: 0;
}

#playlistsModal .youtube-updates-rail::-webkit-scrollbar {
    display: none;
}

#playlistsModal .youtube-update-card {
    min-width: 0;
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 14px;
    align-items: center;
    width: 100%;
    padding: 12px;
    color: inherit;
    font: inherit;
    text-align: left;
    text-decoration: none;
    border-radius: 16px;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
        var(--card-bg, #111);
    cursor: pointer;
}

#playlistsModal .youtube-updates-rail--list .youtube-update-card {
    grid-template-columns: 190px minmax(0, 1fr);
    min-height: 132px;
    padding: 14px;
}

#playlistsModal .youtube-update-card:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: rgba(255, 0, 0, 0.34);
}

#playlistsModal .youtube-update-card--bilibili:hover:not(:disabled) {
    border-color: rgba(0, 161, 214, 0.42);
}

#playlistsModal .youtube-update-card--tiktok:hover:not(:disabled) {
    border-color: rgba(37, 244, 238, 0.42);
}

#playlistsModal .youtube-update-card:disabled {
    cursor: wait;
    opacity: 0.72;
}

#playlistsModal .youtube-update-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
}

#playlistsModal .youtube-update-thumb img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

#playlistsModal .youtube-update-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    background: linear-gradient(135deg, #ff3b30 0%, #111 100%);
}

#playlistsModal .youtube-updates-section--bilibili .youtube-update-thumb-placeholder {
    background: linear-gradient(135deg, #00a1d6 0%, #111 100%);
}

#playlistsModal .youtube-updates-section--tiktok .youtube-update-thumb-placeholder {
    background: linear-gradient(135deg, #25f4ee 0%, #111 54%, #fe2c55 100%);
}

#playlistsModal .youtube-update-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

#playlistsModal .youtube-update-title {
    display: -webkit-box;
    overflow: hidden;
    color: var(--text-primary, #fff);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0;
    overflow-wrap: anywhere;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

#playlistsModal .youtube-updates-rail--list .youtube-update-title {
    font-size: 16px;
    -webkit-line-clamp: 3;
}

#playlistsModal .youtube-update-meta,
#playlistsModal .youtube-updates-empty {
    color: var(--text-secondary, #888);
    font-size: 12px;
    line-height: 1.35;
}

#playlistsModal .youtube-update-meta {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#playlistsModal .youtube-updates-empty {
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px dashed var(--border-color, rgba(255, 255, 255, 0.1));
}

#playlistsModal .youtube-updates-load-sentinel {
    padding: 10px 12px;
    color: var(--text-secondary, #888);
    font-size: 13px;
    text-align: center;
}

#playlistsModal .playlists-library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(172px, 1fr));
    gap: 18px;
}

#playlistsModal .playlists-library-card.playlist-item {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 0;
    padding: 14px;
    border-radius: 22px;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
        var(--card-bg, #111);
    box-shadow: none;
}

#playlistsModal .playlists-library-card.playlist-item:hover {
    transform: translateY(-4px);
    border-color: rgba(74, 158, 255, 0.35);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.16);
}

#playlistsModal .playlists-library-card-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

#playlistsModal .playlists-library-card .playlist-name {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    overflow-wrap: anywhere;
    color: var(--text-primary, #fff);
    letter-spacing: 0;
}

#playlistsModal .playlists-library-card .playlist-count {
    color: var(--text-secondary, #888);
}

#playlistsModal .playlists-library-card .playlist-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 2px;
}

#playlistsModal .playlists-library-card .playlist-action-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--button-bg, rgba(255, 255, 255, 0.06));
    border-color: var(--button-border, rgba(255, 255, 255, 0.12));
    color: var(--text-primary, #fff);
}

#playlistsModal .playlists-library-card .playlist-action-btn:hover {
    transform: scale(1.06);
    background: var(--hover-bg, rgba(255, 255, 255, 0.12));
}

@media (max-width: 640px) {
    .playlists-modal-body {
        padding: 14px 14px 28px;
    }

    #playlistsModal .playlists-library-page {
        gap: 22px;
    }

    #playlistsModal .playlists-library-rail {
        grid-auto-columns: minmax(152px, 180px);
    }

    #playlistsModal .recommendation-rules-header {
        align-items: flex-start;
        flex-direction: column;
    }

    #playlistsModal .recommendation-rules-controls {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    #playlistsModal .recommendation-rule-row {
        grid-template-columns: 1fr;
        align-items: stretch;
        gap: 9px;
    }

    #playlistsModal .recommendation-rule-select-wrap {
        justify-content: space-between;
    }

    #playlistsModal .recommendation-rule-select-wrap select {
        width: min(220px, 66vw);
    }

    #playlistsModal .recommendation-rule-meta {
        white-space: normal;
        overflow-wrap: anywhere;
    }

    #playlistsModal .youtube-updates-rail {
        grid-auto-columns: minmax(308px, 86vw);
    }

    #playlistsModal .youtube-updates-header {
        align-items: flex-start;
        flex-direction: column;
    }

    #playlistsModal .youtube-updates-header-actions {
        width: 100%;
        justify-content: space-between;
    }

    #playlistsModal .youtube-updates-rail--list {
        grid-template-columns: 1fr;
    }

    #playlistsModal .youtube-update-card {
        grid-template-columns: 122px minmax(0, 1fr);
    }

    #playlistsModal .youtube-updates-rail--list .youtube-update-card {
        grid-template-columns: 112px minmax(0, 1fr);
        min-height: 104px;
    }

    #playlistsModal .playlists-library-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    #playlistsModal .playlists-library-card.playlist-item {
        padding: 12px;
        border-radius: 18px;
    }
}

/* 通用模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease;
}

.modal-content {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.modal-close, .history-modal-close, .local-songs-modal-close {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    font-size: 20px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    transition: all 0.3s ease;
}

/* 搜索模态框 */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: var(--bottom-nav-offset);
    z-index: 999;
    max-height: calc(100vh - var(--bottom-nav-offset));
    max-height: calc(100dvh - var(--bottom-nav-offset));
}

.search-modal-overlay {
    display: none;
}

.search-modal-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.search-modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid;
    flex-shrink: 0;
}

.search-modal-back {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    font-size: 20px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.search-modal-back-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.search-modal-input {
    flex: 1;
    border: 1px solid;
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 15px;
}

.search-modal-input:focus {
    outline: none;
}

.search-modal-search {
    flex-shrink: 0;
    min-width: 44px;
    height: 44px;
    padding: 0 14px;
    border: 1px solid rgba(102, 126, 234, 0.45);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.18), rgba(118, 75, 162, 0.18));
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.search-modal-search-icon {
    font-size: 16px;
    line-height: 1;
}

.search-modal-search:hover {
    box-shadow: 0 6px 14px rgba(102, 126, 234, 0.18);
}

.search-modal-search:active {
    transform: translateY(1px) scale(0.98);
}

/* 搜索伴奏模式开关行 */
.search-modal-filter {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.search-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    padding-bottom: 80px;
}

.search-tabs {
    position: sticky;
    top: 0;
    padding: 12px 16px;
    border-bottom: 1px solid;
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    width: 100%;
    box-sizing: border-box;
}

.search-tab {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    min-width: 0;
}

.search-tab.active {
    font-weight: 600;
}

.search-tab-panels { width: 100%; }

.search-results-panel {
    padding: 12px 16px;
    display: none;
    flex-direction: column;
    gap: 8px;
}

.search-results-panel.active {
    display: flex;
}

.search-results-panel[data-panel="history"] {
    padding: 0;
    gap: 0;
}

.playback-history-panel {
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

.playback-history-list {
    display: flex;
    flex-direction: column;
}

.playback-history-status {
    min-height: 24px;
    padding: 8px 16px 12px;
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.playback-history-delete-btn {
    margin-left: 4px;
    font-size: 14px;
}

.search-empty {
    padding: 32px 12px;
    text-align: center;
}

.search-result-item.playlist-track-item {
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.search-modal-history {
    padding: 16px;
    border-bottom: 1px solid;
}

.search-modal-history-actions {
    display: flex;
    justify-content: center;
    padding: 16px;
    border-top: 1px solid;
}

.search-modal-history-clear {
    padding: 10px 16px;
    background: transparent;
    border: 1px solid;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-modal-history-clear svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
}

.search-modal-history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.search-history-header {
    font-size: 13px;
    font-weight: 600;
    padding: 12px 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.search-history-count {
    font-size: 12px;
    font-weight: 400;
}

.search-history-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.search-history-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.search-history-icon {
    font-size: 14px;
    flex-shrink: 0;
    opacity: 0.6;
}

.search-history-text {
    flex: 1;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.search-history-delete {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1px solid;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 300;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    opacity: 0.7;
}

.search-history-delete:hover {
    opacity: 1;
    transform: scale(1.1);
}

.search-empty-state {
    padding: 60px 20px;
    text-align: center;
}

.search-empty-icon {
    font-size: 56px;
    display: block;
    margin-bottom: 16px;
    opacity: 0.6;
}

.search-empty-text {
    font-size: 14px;
    margin: 0;
}

.search-error-state {
    padding: 40px;
    text-align: center;
    color: #f44;
}

.search-placeholder {
    padding: 60px 20px;
    text-align: center;
}

.search-placeholder-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

/* 历史记录模态框 */
.history-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: var(--bottom-nav-offset);
    z-index: 999;
    /* 毛玻璃效果 - 遮挡背景 */
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.history-modal.modal-visible {
    opacity: 1;
}

.history-modal-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.history-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid;
    flex-shrink: 0;
}

.history-modal-header h3 {
    flex: 1;
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.history-modal-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    padding-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-list-item:hover,
.history-list-item:focus-visible {
    background: var(--item-hover-bg, rgba(255, 255, 255, 0.08));
}

.youtube-search-modal-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.youtube-search-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid;
}

.youtube-search-modal-header h3 {
    flex: 1;
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.youtube-search-modal-close {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    font-size: 20px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.youtube-search-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    padding-bottom: 80px;
}

.youtube-search-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.youtube-search-list, .youtube-search-modal-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* 播放列表区域 */
.play-list-section {
    padding: 0;
}

.play-list-action-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--bg-tertiary, #2a2a2a);
    color: var(--text-primary, #fff);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.play-list-action-btn:hover {
    background: var(--accent-color, #1e90ff);
    transform: scale(1.05);
}

.play-list-action-btn:active {
    transform: scale(0.95);
}

.playlist-toolbar-btn {
    background: var(--toolbar-btn-bg, rgba(255, 255, 255, 0.05));
    border: 1.5px solid var(--toolbar-btn-border, rgba(255, 255, 255, 0.2));
    color: var(--toolbar-btn-color, inherit);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
}

.playlist-toolbar-btn:hover,
.playlist-toolbar-btn:focus-visible {
    background: var(--toolbar-btn-hover-bg, var(--toolbar-btn-bg, rgba(255, 255, 255, 0.08)));
    transform: var(--toolbar-btn-hover-transform, scale(1.05));
    box-shadow: var(--toolbar-btn-hover-shadow, none);
}

.playlist-toolbar-btn:active {
    transform: var(--toolbar-btn-active-transform, scale(0.96));
}

.playlist-toolbar-header {
    background: var(--playlist-toolbar-header-bg, rgba(255, 255, 255, 0.7));
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--playlist-toolbar-header-border, rgba(224, 224, 224, 0.5));
    border-radius: 12px;
    transform: translateY(-12px);
    padding: 14px 16px;
    box-shadow: 0 4px 16px var(--playlist-toolbar-header-shadow, rgba(0, 0, 0, 0.16));
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.playlist-toolbar-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.playlist-toolbar-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--playlist-toolbar-title-color, var(--text-primary));
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.playlist-toolbar-count {
    font-size: 12px;
    color: var(--playlist-toolbar-count-color, var(--text-secondary));
    font-weight: 500;
}

.playlist-toolbar-lead {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    cursor: pointer;
}

.playlist-toolbar-icon {
    font-size: 28px;
    line-height: 1;
    flex-shrink: 0;
}

.playlist-toolbar-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-shrink: 0;
}

.playlist-toolbar-action-btn {
    width: 40px;
    height: 40px;
    font-size: var(--playlist-toolbar-action-font-size, 18px);
    flex-shrink: 0;
}

.play-list-container {
    padding: 16px;
}

.playlist-empty-state {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    height: 60vh;
    color: #999;
}

.playlist-empty-text {
    font-size: 16px;
    text-align: center;
    color: #999;
}

.playlist-centered-glyph {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.playlist-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow: hidden;
}

.playlist-item-title {
    color: var(--playlist-item-title-color, var(--text-primary));
    font-weight: var(--playlist-item-title-weight, 600);
    font-size: var(--playlist-item-title-size, 14px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.playlist-item-subtitle {
    color: var(--playlist-item-subtitle-color, var(--text-secondary));
    font-size: var(--playlist-item-subtitle-size, 12px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-cover {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    background: var(--history-cover-bg, rgba(255, 255, 255, 0.08));
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.history-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.history-list-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--history-item-border, rgba(255, 255, 255, 0.1));
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: background 0.2s;
}

.history-list-time {
    color: var(--history-time-color, var(--text-secondary));
    font-size: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* 播放列表顶部工具栏（独立于列表容器） */
.playlist-toolbar {
    position: sticky;
    top: var(--playlist-toolbar-sticky-top);
    z-index: 30;
}

/* Mini Player 代码已移除 */

/* Full Screen Player */
.full-player {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease;
    will-change: opacity, transform;
}

.full-player.show {
    opacity: 1;
    transform: translateY(0);
}

html.embedded-player {
    --playlist-toolbar-sticky-top: 16px;
    --content-bottom-space: calc(var(--bottom-nav-offset) + 16px);
}

html.embedded-player .tab-content,
html.embedded-player #tree {
    padding-top: 0;
}

.full-player-content {
    width: 100%;
    /* min-height: 100%; */
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0;
}

/* Drag Handle (iOS-style pill) */
.full-player-drag-handle {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px 0 4px;
    flex-shrink: 0;
    cursor: grab;
}

.full-player-drag-handle-bar {
    width: 36px;
    height: 5px;
    border-radius: 3px;
    background: rgba(128, 128, 128, 0.4);
    transition: background 0.2s ease;
}

.full-player-drag-handle:hover .full-player-drag-handle-bar {
    background: rgba(128, 128, 128, 0.6);
}

.full-player-content:has(.full-player-artwork-container.expanded) > .full-player-drag-handle {
    display: none;
}

.full-player-header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px;
    flex-shrink: 0;
}

.full-player-back {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.full-player-back:active {
    transform: translateY(4px);
}

.full-player-artwork {
    padding: 20px 20px 30px;
    display: flex;
    justify-content: center;
    flex-shrink: 0;
}

.full-player-artwork-container {
    width: min(480px, 95vw);
    height: min(480px, 95vw);
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.8), 0 0 80px rgba(74, 158, 255, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.full-player-artwork-container:hover {
    transform: scale(1.02);
    box-shadow: 0 16px 56px rgba(0, 0, 0, 0.8), 0 0 80px rgba(74, 158, 255, 0.15);
}

.full-player-artwork-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    image-rendering: high-quality;
    filter: brightness(1);
    transition: filter 0.2s ease;
}

.full-player-artwork-container:hover img {
    filter: brightness(1.05);
}

/* 放大播放器样式 */
.full-player-artwork-container.expanded {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    border-radius: 0;
    max-width: 100vw;
    max-height: 100vh;
    max-height: 100dvh;
    box-shadow: none;
    transition: all 0.3s ease;
}

/* 展开时移除hover缩放效果 */
.full-player-artwork-container.expanded:hover {
    transform: none;
    box-shadow: none;
}

/* 展开时图片保持原样 */
.full-player-artwork-container.expanded:hover img {
    filter: brightness(1);
}

/* 放大按钮的激活状态样式 */
.full-player-expand.active {
    color: rgba(74, 158, 255, 0.8);
}

/* 展开状态下隐藏其他UI元素 */
.full-player.artwork-expanded .full-player-info,
.full-player.artwork-expanded .full-player-progress-section {
    opacity: 0;
    height: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, height 0.3s ease;
}

/* 展开状态下隐藏控制栏中除放大按钮外的其他按钮 */
.full-player.artwork-expanded .full-player-controls-grid .full-player-control-btn:not(.full-player-expand) {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* 展开状态下同时隐藏音量条、音调文字 */
.full-player.artwork-expanded .full-player-volume {
    opacity: 0;
    height: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, height 0.3s ease;
}

.full-player.artwork-expanded .full-player-controls-grid .full-player-pitch-display {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

/* 展开状态下的content布局 */
.full-player.artwork-expanded .full-player-content {
    padding: 0;
    position: relative;
}

/* 展开状态下控制栏固定在底部 */
.full-player.artwork-expanded .full-player-controls-grid {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    justify-content: center;
    padding: 16px 20px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    z-index: 10;
}

/* 展开状态下禁止滚动 */
.full-player.artwork-expanded {
    overflow: hidden;
}

/* 展开状态下的artwork区域 */
.full-player.artwork-expanded .full-player-artwork {
    padding: 0;
    height: 100vh;
    height: 100dvh;
}

.full-player.artwork-expanded .full-player-audio-only-notice {
    left: max(16px, env(safe-area-inset-left));
    right: max(16px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
}

/* 隐藏放大按钮（通过配置控制） */
.full-player-expand.hidden {
    display: none !important;
}

/* 隐藏 YouTube 控件（通过配置控制） */
#fullPlayerYouTubeHost.youtube-controls-hidden,
#fullPlayerYouTube.youtube-controls-hidden {
    pointer-events: none;
}

/* YouTube iframe 禁用交互时的样式 */
#fullPlayerYouTubeHost.youtube-controls-hidden iframe,
#fullPlayerYouTube.youtube-controls-hidden iframe {
    pointer-events: none;
}

.full-player-artwork-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 96px;
    opacity: 0.3;
}

.full-player-audio-only-notice {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 3;
    display: none;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(18, 23, 33, 0.88), rgba(11, 15, 24, 0.92));
    border: 1px solid rgba(255, 210, 126, 0.22);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.32);
    backdrop-filter: blur(12px);
}

.full-player-audio-only-notice::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 214, 122, 0.95), rgba(255, 162, 74, 0.82));
}

.full-player-audio-only-notice.visible {
    display: flex;
}

.full-player-audio-only-icon {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 196, 79, 0.16);
    border: 1px solid rgba(255, 210, 126, 0.35);
    color: rgba(255, 225, 156, 0.98);
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
}

.full-player-audio-only-copy {
    min-width: 0;
    padding-left: 4px;
}

.full-player-audio-only-title {
    color: rgba(255, 244, 214, 0.98);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0.01em;
}

.full-player-audio-only-body {
    margin-top: 3px;
    color: rgba(241, 229, 201, 0.86);
    font-size: 12px;
    line-height: 1.45;
    letter-spacing: 0.01em;
}

/* KTV iframe 播放器样式 */
#fullPlayerVideoContainer {
    width: 100%;
    height: 100%;
    background: #000;
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

#fullPlayerYouTubeHost,
#fullPlayerYouTube,
#fullPlayerExternalVideoHost {
    width: 100%;
    height: 100%;
    display: block;
}

#fullPlayerYouTubeHost,
#fullPlayerExternalVideoHost {
    position: absolute;
    inset: 0;
    z-index: 2;
}

#fullPlayerYouTubeHost.hidden-video-host,
#fullPlayerExternalVideoHost {
    display: none;
}

#fullPlayerExternalVideoHost.visible {
    display: block;
}

#fullPlayerYouTubeHost iframe,
#fullPlayerYouTube,
#fullPlayerExternalVideoHost iframe,
#fullPlayerExternalVideoHost video {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    display: block;
    border: 0;
    background: #000;
}

#fullPlayerExternalVideoHost video {
    object-fit: contain;
}

/* 视频模式下隐藏封面和占位符 */
.full-player-artwork-container.video-mode img,
.full-player-artwork-container.video-mode .full-player-artwork-placeholder {
    display: none !important;
}

.full-player-artwork-container.video-mode #fullPlayerVideoContainer {
    display: block !important;
}

/* 全屏模式样式 - 确保视频容器充满整个屏幕 */
.full-player:fullscreen,
.full-player:-webkit-full-screen,
.full-player:-moz-full-screen,
.full-player:-ms-fullscreen {
    width: 100vw;
    height: 100vh;
}

.full-player:fullscreen .full-player-content,
.full-player:-webkit-full-screen .full-player-content,
.full-player:-moz-full-screen .full-player-content,
.full-player:-ms-fullscreen .full-player-content {
    height: 50vh;
    display: flex;
    flex-direction: column;
}

.full-player:fullscreen .full-player-artwork,
.full-player:-webkit-full-screen .full-player-artwork,
.full-player:-moz-full-screen .full-player-artwork,
.full-player:-ms-fullscreen .full-player-artwork {
    flex: 1;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.full-player:fullscreen .full-player-artwork-container,
.full-player:-webkit-full-screen .full-player-artwork-container,
.full-player:-moz-full-screen .full-player-artwork-container,
.full-player:-ms-fullscreen .full-player-artwork-container {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    border-radius: 0;
}

.full-player-info {
    padding: 24px 20px 16px;
    text-align: center;
}

.full-player-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.full-player-artist {
    font-size: 16px;
    margin-bottom: 12px;
}

.full-player-playlist {
    font-size: 13px;
    opacity: 0.75;
}

.full-player-progress-section {
    padding: 16px 20px;
}

.full-player-progress-bar {
    height: 5px;
    border-radius: 3px;
    position: relative;
    cursor: pointer;
    margin-bottom: 10px;
    transition: height 0.2s ease;
}

.full-player-progress-bar:hover {
    height: 6px;
}

.full-player-progress-bar.dragging {
    height: 6px;
}

.full-player-progress-bar.dragging .full-player-progress-thumb {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
}

.full-player-progress-fill {
    height: 100%;
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
    pointer-events: none;
}

.full-player-progress-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 0%;
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: left 0.1s linear, opacity 0.2s ease;
}

.full-player-progress-bar:hover .full-player-progress-thumb {
    opacity: 1;
}

.full-player-time {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 500;
}

.full-player-controls-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 24px 8px;
}

.full-player-center-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex: 1;
    min-width: 0;
}

.full-player-volume {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px 16px;
    max-width: 400px;
    margin: 0 auto;
}

.full-player-volume svg {
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.full-player-volume:hover svg {
    opacity: 1;
}

.full-player-control-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 12px;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.full-player-control-btn:hover {
    transform: scale(1.1);
}

.full-player-control-btn:active {
    transform: scale(0.95);
}

/* 左侧控件组（Expand / Shuffle / Loop） */
.full-player-left-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

.full-player-playmode-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

.full-player-shuffle,
.full-player-loop {
    opacity: 0.5;
    position: relative;
    transition: opacity 0.2s ease;
}

.full-player-shuffle.shuffle-active,
.full-player-loop.loop-active {
    opacity: 1;
}

.full-player-shuffle.shuffle-active svg,
.full-player-loop.loop-active svg {
    stroke: var(--accent-color, #1db954);
}

.full-player-loop .loop-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8px;
    font-weight: 700;
    pointer-events: none;
    line-height: 1;
    color: var(--accent-color, #1db954);
}

/* KTV 控件垂直容器 */
.full-player-ktv-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

/* KTV 升降调控件 */
.full-player-pitch-control {
    display: flex;
    align-items: center;
    gap: 0;
}

.full-player-pitch-display {
    /* min-width: 36px; */
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    user-select: none;
    transition: color 0.2s ease;
}

.full-player-pitch-btn {
    width: 32px !important;
    height: 32px !important;
    padding: 0 !important;
    font-size: 16px;
}

.full-player-pitch-display.pitch-active {
    color: var(--accent-color, #1db954);
}

.full-player-pitch-btn:disabled {
    opacity: 0.2 !important;
    cursor: not-allowed;
    transform: none !important;
}

/* KTV 视频同步偏移控件 */
.full-player-video-offset-control {
    display: none;
    align-items: center;
    gap: 0;
}

.full-player-video-offset-control.visible {
    display: flex;
}

.full-player-offset-display {
    /* min-width: 36px; */
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    user-select: none;
    transition: color 0.2s ease;
}

.full-player-offset-btn {
    width: 32px !important;
    height: 32px !important;
    padding: 0 !important;
    font-size: 16px;
    font-weight: bold;
}

.full-player-offset-display.offset-active {
    color: var(--accent-color, #1db954);
}

.full-player-play-pause {
    width: 72px;
    height: 72px;
}

.full-player-volume-slider {
    flex: 1;
    position: relative;
    min-width: 0;
}

.full-player-volume-slider input[type="range"] {
    width: 100%;
    height: 5px;
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    --vol-fill: 50%;   /* 由 JS 实时更新 */
}

.full-player-volume-slider input[type="range"]::-webkit-slider-runnable-track {
    height: 5px;
    border-radius: 3px;
}

.full-player-volume-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease;
    margin-top: -4.5px; /* 垂直居中：-(thumb_height - track_height) / 2 = -(14-5)/2 */
}

.full-player-volume-slider input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.full-player-volume-slider input[type="range"]::-moz-range-track {
    height: 5px;
    border-radius: 3px;
    border: none;
}

.full-player-volume-slider input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease;
}

.full-player-volume-slider input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
}

/* 音量显示 */
.volume-display {
    position: absolute;
    left: 50%;
    top: -32px;
    transform: translateX(-50%);
    background: rgba(30, 30, 30, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 10;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.volume-display.show {
    opacity: 1;
}

.volume-value {
    font-weight: 600;
}

/* 覆盖 settings.css 中对气泡内文字颜色的污染 */
.volume-display .volume-value {
    color: white;
}

/* Now Playing Modal */
.now-playing-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
}

.now-playing-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.now-playing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid;
    flex-shrink: 0;
}

.now-playing-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.now-playing-close {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.now-playing-menu-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    font-size: 20px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.now-playing-body {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 80px;
}

/* Footer控制栏 */
.footer-expand-btn {
    background: transparent;
    border: none;
    cursor: pointer;
}

.footer-controls-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.footer-controls-left, .footer-controls-right {
    display: flex;
    gap: 8px;
}

.control-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: 1px solid;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.control-btn.loop-active {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

.control-btn.loop-active:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--text-primary);
}

.play-pause-large {
    width: 56px;
    height: 56px;
    font-size: 20px;
    border-color: var(--text-primary);
}

/* 循环模式按钮的active状态 */
#nowPlayingRepeatBtn.loop-active,
#fullPlayerRepeat.loop-active {
    color: var(--accent-color);
    opacity: 1;
}

#nowPlayingRepeatBtn.loop-active svg path,
#fullPlayerRepeat.loop-active svg path {
    fill: var(--accent-color);
}

.local-empty { padding: 40px; text-align: center; }

/* 播放列表模态框动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* 歌单选择模态框 */
.select-playlist-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2001;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px;
}

.select-playlist-modal.modal-visible {
    opacity: 1;
}

.select-playlist-modal .modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.select-playlist-modal-content {
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.select-playlist-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.select-playlist-modal-header h2 {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

.select-playlist-close-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.select-playlist-close-btn:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

.select-playlist-close-btn:active {
    transform: scale(0.95);
}

.select-playlist-modal-body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.select-playlist-item:hover,
.select-playlist-item:focus-visible {
    background: var(--item-hover-bg, rgba(255, 255, 255, 0.08));
}

.select-playlist-item {
    padding: 16px;
    border-bottom: 1px solid var(--select-playlist-item-border, rgba(255, 255, 255, 0.1));
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.select-playlist-item-icon {
    background: var(--select-playlist-icon-bg, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.select-playlist-checkmark {
    color: #4CAF50;
    font-size: 20px;
    margin-left: 12px;
    min-width: 24px;
    text-align: right;
    opacity: 0;
    transition: opacity 0.2s;
}

.select-playlist-modal-footer {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    justify-content: flex-end;
}

.select-playlist-cancel-btn {
    padding: 10px 20px;
    font-size: 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    min-width: 80px;
}

.select-playlist-cancel-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

.select-playlist-cancel-btn:active {
    transform: scale(0.98);
}

/* 深色主题 */
[data-theme="dark"] .select-playlist-modal {
    background: rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .select-playlist-modal .modal-content {
    background: #1a1a1a;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .select-playlist-modal .modal-header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .select-playlist-modal .modal-footer {
    border-top-color: rgba(255, 255, 255, 0.1);
}

/* 浅色主题 */
[data-theme="light"] .select-playlist-modal {
    background: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .select-playlist-modal .modal-content {
    background: #f5f5f5;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .select-playlist-modal .modal-header {
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .select-playlist-modal .modal-footer {
    border-top-color: rgba(0, 0, 0, 0.1);
}

/* ===== 搜索结果操作菜单（全屏模态框） ===== */
.search-action-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.search-action-menu.show {
    opacity: 1;
    pointer-events: auto;
}

.search-action-menu-content {
    background: #2a2a2a;
    border-radius: 16px;
    padding: 24px;
    max-width: 400px;
    width: 90%;
    transform: scale(0.9);
    transition: transform 0.3s;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.search-action-menu.show .search-action-menu-content {
    transform: scale(1);
}

.search-action-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.search-action-menu-title {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
}

.search-action-menu-close {
    background: transparent;
    border: none;
    color: #999;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s, color 0.2s;
}

.search-action-menu-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.search-action-menu-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.search-action-menu-item {
    padding: 16px 20px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 16px;
    color: #e0e0e0;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    width: 100%;
    text-align: left;
    border-radius: 12px;
}

.search-action-menu-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.search-action-menu-item:active {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(0);
}

.search-action-menu-item .icon {
    font-size: 24px;
    width: 28px;
    text-align: center;
}

.search-action-menu-item .label {
    flex: 1;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 280px;
}

/* 浅色主题 */
[data-theme="light"] .search-action-menu {
    background: rgba(0, 0, 0, 0.4);
}

[data-theme="light"] .search-action-menu-content {
    background: #ffffff;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .search-action-menu-title {
    color: #333;
}

[data-theme="light"] .search-action-menu-close {
    color: #666;
}

[data-theme="light"] .search-action-menu-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #333;
}

[data-theme="light"] .search-action-menu-item {
    color: #333;
    background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .search-action-menu-item:hover {
    background: rgba(0, 0, 0, 0.08);
}

/* ====== YouTube搜索加载更多按钮样式 ====== */

/* 加载更多按钮容器 */
.search-load-more-container {
    display: flex;
    gap: 12px;
    padding: 24px 16px 16px;
    justify-content: center;
    align-items: center;
    position: sticky;
    bottom: 0;
    z-index: 4;
}

/* 加载按钮通用样式 */
.search-load-more-btn,
.search-load-all-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: 1px solid;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    background: transparent;
}

.search-load-more-btn:hover,
.search-load-all-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.search-load-more-btn:active,
.search-load-all-btn:active {
    transform: translateY(0);
}

.search-load-more-btn .icon,
.search-load-all-btn .icon {
    font-size: 16px;
}

/* 加载状态提示 */
.search-load-status {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px 20px 20px;
    color: #999;
    font-size: 14px;
    position: sticky;
    bottom: 0;
    z-index: 4;
}

.search-load-status .status-text::before {
    content: '⏳';
    animation: rotate 1s linear infinite;
    margin-right: 8px;
}

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

/* 无更多结果提示 */
.search-no-more {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 24px 20px 20px;
    color: #666;
    font-size: 14px;
    position: sticky;
    bottom: 0;
    z-index: 4;
}

.search-no-more .icon {
    color: #4caf50;
    font-size: 16px;
}

/* 深色主题 */
[data-theme="dark"] .search-load-more-btn,
[data-theme="dark"] .search-load-all-btn {
    border-color: #444;
    color: #fff;
}

[data-theme="dark"] .search-load-more-container,
[data-theme="dark"] .search-load-status,
[data-theme="dark"] .search-no-more {
    background: linear-gradient(180deg, rgba(18, 18, 18, 0) 0%, rgba(18, 18, 18, 0.92) 38%, rgba(18, 18, 18, 0.92) 100%);
}

[data-theme="dark"] .search-load-more-btn:hover,
[data-theme="dark"] .search-load-all-btn:hover {
    border-color: #666;
    background: rgba(255, 255, 255, 0.05);
}

/* 浅色主题 */
[data-theme="light"] .search-load-more-btn,
[data-theme="light"] .search-load-all-btn {
    border-color: #ddd;
    color: #333;
}

[data-theme="light"] .search-load-more-container,
[data-theme="light"] .search-load-status,
[data-theme="light"] .search-no-more {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.96) 38%, rgba(255, 255, 255, 0.96) 100%);
}

[data-theme="light"] .search-load-more-btn:hover,
[data-theme="light"] .search-load-all-btn:hover {
    border-color: #999;
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .search-action-menu-item:active {
    background: rgba(0, 0, 0, 0.12);
}

/* 立即播放确认视图 */
.play-now-confirm-msg {
    color: #ffcc80;
    font-size: 14px;
    line-height: 1.6;
    margin: 0 0 16px 0;
    padding: 12px 16px;
    background: rgba(255, 152, 0, 0.12);
    border-radius: 8px;
    border-left: 3px solid #ff9800;
}

.play-now-confirm-buttons {
    display: flex;
    gap: 12px;
}

.play-now-confirm-buttons .search-action-menu-item {
    flex: 1;
    justify-content: center;
}

.play-now-confirm-buttons .play-now-confirm {
    background: rgba(76, 175, 80, 0.2);
    color: #81c784;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.play-now-confirm-buttons .play-now-confirm:hover {
    background: rgba(76, 175, 80, 0.35);
}

[data-theme="light"] .play-now-confirm-msg {
    color: #e65100;
    background: rgba(255, 152, 0, 0.1);
    border-left-color: #e65100;
}

[data-theme="light"] .play-now-confirm-buttons .play-now-confirm {
    background: rgba(56, 142, 60, 0.15);
    color: #388e3c;
    border-color: rgba(56, 142, 60, 0.3);
}

[data-theme="light"] .play-now-confirm-buttons .play-now-confirm:hover {
    background: rgba(56, 142, 60, 0.25);
}

/* ============================================================
   搜索弹窗 - 目录导航视图
   ============================================================ */

.search-dir-view {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

/* 面包屑导航 */
.search-dir-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg-primary);
}

.search-breadcrumb-item {
    color: var(--accent-color);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
}

.search-breadcrumb-item:hover {
    background: var(--bg-secondary);
}

.search-breadcrumb-item--current {
    color: var(--text-primary);
    font-weight: 600;
    cursor: default;
    pointer-events: none;
}

.search-breadcrumb-sep {
    color: var(--text-muted);
    font-size: 12px;
}

/* 子目录卡片网格 */
.search-dir-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 16px;
}

.search-dir-card {
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-secondary);
    transition: transform 0.2s, box-shadow 0.2s;
}

.search-dir-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.search-dir-card-cover {
    width: 100%;
    aspect-ratio: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-dir-card-cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.search-dir-card-cover-placeholder {
    display: none;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 32px;
}

.search-dir-card-info {
    padding: 10px 12px;
}

.search-dir-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-dir-card-count {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* 歌曲列表区 */
.search-dir-songs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 16px 80px;
}

/* 空目录提示 */
.search-dir-empty {
    padding: 40px 16px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* 搜索结果中目录行的可点击提示 */
.search-result-item[data-directory="true"] {
    cursor: pointer;
}

.search-result-item[data-directory="true"]:hover {
    background: var(--bg-secondary);
    border-radius: 8px;
}

/* ======= Custom Modal (ConfirmModal / InputModal) ======= */
.custom-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20000;
    opacity: 0;
    transition: opacity 0.25s ease;
    backdrop-filter: blur(4px);
}
.custom-modal-overlay.visible {
    opacity: 1;
}
.custom-modal-container {
    background: var(--bg-primary, #1e1e2e);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 24px;
    min-width: 280px;
    max-width: 380px;
    width: 90%;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
    transform: scale(0.92) translateY(8px);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.custom-modal-overlay.visible .custom-modal-container {
    transform: scale(1) translateY(0);
}
.custom-modal-body {
    margin-bottom: 20px;
}
.custom-modal-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary, #fff);
    line-height: 1.5;
    word-break: break-word;
}
.custom-modal-message {
    font-size: 13px;
    color: var(--text-secondary, rgba(255,255,255,0.65));
    margin-top: 8px;
    line-height: 1.5;
}
.custom-modal-input {
    display: block;
    width: 100%;
    margin-top: 12px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    color: var(--text-primary, #fff);
    font-size: 14px;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s;
}
.custom-modal-input:focus {
    border-color: #667eea;
}
.custom-modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}
.custom-modal-btn {
    padding: 9px 20px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s;
}
.custom-modal-btn:active {
    transform: scale(0.97);
}
.custom-modal-btn-cancel {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary, #fff);
}
.custom-modal-btn-cancel:hover {
    background: rgba(255, 255, 255, 0.18);
}
.custom-modal-btn-confirm {
    color: #fff;
}
.custom-modal-btn-confirm.info {
    background: #1e88e5;
}
.custom-modal-btn-confirm.info:hover {
    background: #1565c0;
}

/* Toast notification styles */
.toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    min-width: 280px;
    max-width: 420px;
    padding: 16px;
    border-radius: 12px;
    background: rgba(30, 30, 30, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    z-index: 10000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.toast.toast-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    flex-shrink: 0;
}

.toast-success .toast-icon {
    background: rgba(76, 175, 80, 0.15);
    color: #4caf50;
}

.toast-error .toast-icon {
    background: rgba(244, 67, 54, 0.15);
    color: #f44336;
}

.toast-warning .toast-icon {
    background: rgba(255, 152, 0, 0.15);
    color: #ff9800;
}

.toast-info .toast-icon {
    background: rgba(33, 150, 243, 0.15);
    color: #2196f3;
}

.toast-message {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
}

/* ============================================
   iOS 横屏优化: 性能与可访问性
   ============================================ */

/* 交互元素: 消除 300ms 点击延迟 */
button,
a,
.nav-item,
.npp-control-btn,
.full-player-control-btn,
.full-player-progress-bar,
.full-player-volume-slider input[type="range"],
.playlist-track-item,
.track-menu-btn,
.npp-artwork-section {
    touch-action: manipulation;
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}