:root {
    --font-main: 'Noto Sans SC', 'Segoe UI', Arial, sans-serif;
    --bg-gradient: linear-gradient(140deg, #e0f5e9 0%, #c6f0e0 35%, #a3e4d7 100%);
    --bg-gradient-next: var(--bg-gradient);
    --container-bg: rgba(255, 255, 255, 0.6);
    --container-shadow: rgba(0, 0, 0, 0.1);
    --backdrop-blur: 12px;
    --text-color: #2c3e50;
    --text-secondary-color: #7f8c8d;
    --primary-color: #1abc9c;
    --primary-color-dark: #12836d;
    --warning-color: #e74c3c;
    --success-color: #2ecc71;
    --item-hover-bg: rgba(26, 188, 156, 0.1);
    --item-current-bg: rgba(26, 188, 156, 0.2);
    --item-current-text: var(--primary-color);
    --border-color: rgba(0, 0, 0, 0.1);
    --lyrics-highlight-bg: rgba(46, 204, 113, 0.12);
    --lyrics-highlight-text: #1e9f78;
    --lyrics-highlight-shadow: rgba(46, 204, 113, 0.18);
    --component-bg: rgba(255, 255, 255, 0.5);
    --scrollbar-thumb-bg: rgba(0, 0, 0, 0.2);
    --scrollbar-track-bg: transparent;
}

.dark-mode {
    --bg-gradient: linear-gradient(135deg, #0b1d1b 0%, #0f2f2c 45%, #123c36 100%);
    --container-bg: rgba(30, 30, 30, 0.6);
    --container-shadow: rgba(0, 0, 0, 0.3);
    --text-color: #ecf0f1;
    --text-secondary-color: #95a5a6;
    --primary-color: #1abc9c;
    --primary-color-dark: #17a589;
    --item-hover-bg: rgba(26, 188, 156, 0.1);
    --item-current-bg: rgba(26, 188, 156, 0.2);
    --border-color: rgba(255, 255, 255, 0.15);
    --lyrics-highlight-bg: rgba(26, 188, 156, 0.12);
    --lyrics-highlight-text: #34d1b6;
    --component-bg: rgba(44, 44, 44, 0.5);
    --scrollbar-thumb-bg: rgba(255, 255, 255, 0.2);
}

.dark-mode .quality-menu {
    background: rgba(44, 44, 44, 0.95);
    border: 2px solid var(--primary-color);
}

.dark-mode .quality-option {
    background: rgba(44, 44, 44, 0.8);
    color: #ecf0f1;
    border-bottom: 1px solid rgba(26, 188, 156, 0.25);
}

.dark-mode .player-quality-menu {
    background: rgba(44, 44, 44, 0.95);
    border-color: var(--primary-color);
}

.dark-mode .player-quality-option {
    color: #ecf0f1;
}

.dark-mode .player-quality-option:hover,
.dark-mode .player-quality-option.active {
    color: #ffffff;
}

.dark-mode .source-menu {
    background: rgba(44, 44, 44, 0.95);
    border-color: var(--primary-color);
}

.dark-mode .source-option {
    color: #ecf0f1;
}

.dark-mode .source-option:hover,
.dark-mode .source-option.active {
    color: #ffffff;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track-bg); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb-bg); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-color); }

body {
    font-family: var(--font-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100dvh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    color: var(--text-color);
    transition: color 0.5s;
    background-color: #0f0f0f;
}

.background-stage {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -2;
    overflow: hidden;
}

.background-stage__layer {
    position: absolute;
    inset: 0;
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    filter: saturate(105%);
}

.background-stage__layer--base {
    background-image: var(--bg-gradient);
}

.background-stage__layer--transition {
    background-image: var(--bg-gradient-next);
    opacity: 0;
    transition: opacity 0.85s ease;
}

body.background-transitioning .background-stage__layer--transition {
    opacity: 1;
}

/* 16:9 容器布局 */
.container {
    width: min(1200px, 100%);
    margin: 0 auto;
    background: var(--container-bg);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
    aspect-ratio: 16/9;
    height: 80vh;
    max-height: 700px;
    display: grid;
    grid-template-areas:
        "header header header"
        "search search search"
        "cover playlist lyrics"
        "controls controls controls";
    grid-template-rows: auto auto 1fr 80px;
    grid-template-columns: 300px 1fr 1fr;
    gap: 20px;
    transition: background 0.5s, box-shadow 0.5s;
    overflow: visible;
    position: relative;
}

/* 搜索模式下的容器布局 */
.container.search-mode {
    grid-template-areas: 
        "header header header"
        "search search search"
        "search search search"
        "controls controls controls";
}

.header { 
    grid-area: header;
    text-align: center; 
    position: relative; 
}
.header h1 { 
    margin: 0; 
    font-size: 2.2em; 
    font-weight: 700; 
    color: var(--primary-color); 
    letter-spacing: 1px; 
}
.header .warning { 
    color: var(--text-secondary-color); 
    font-size: 0.9em; 
    margin-top: 10px; 
    font-style: italic; 
}

/* 搜索区域样式 - 增强动效 */
.search-area {
    grid-area: search;
    background: var(--component-bg);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    overflow: visible;
    display: flex;
    flex-direction: column;
}

.search-area *,
.search-area *::before,
.search-area *::after {
    box-sizing: border-box;
}

/* 搜索模式下的搜索区域 */
.container.search-mode .search-area {
    background: var(--component-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    border: 2px solid var(--primary-color);
}

.search-container {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 15px;
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--component-bg);
    color: var(--text-color);
    font-size: 16px;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.12);
}

.source-select-wrapper {
    position: relative;
    flex-shrink: 0;
}

.source-select-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 18px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--component-bg);
    color: var(--text-color);
    font-size: 16px;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    min-width: 150px;
    position: relative;
    box-shadow: none;
}

.source-select-btn:hover,
.source-select-btn.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 10px 24px rgba(26, 188, 156, 0.2);
    background: var(--component-bg);
}

.source-select-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.18);
}

.source-select-btn .caret-icon {
    font-size: 0.8em;
    transition: transform 0.25s ease;
}

.source-select-btn.active .caret-icon {
    transform: rotate(-180deg);
}

.source-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: auto;
    bottom: auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.18);
    border: 1px solid var(--border-color);
    box-sizing: border-box;
    min-width: 100%;
    max-height: 320px;
    overflow-y: auto;
    overflow-x: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.18s ease, transform 0.18s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100000;
    pointer-events: none;
}

.source-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.source-menu.open-upwards {
    top: auto;
    bottom: calc(100% + 10px);
    transform-origin: bottom center;
}

.source-menu.open-downwards {
    top: calc(100% + 10px);
    bottom: auto;
    transform-origin: top center;
}

.source-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    font-size: 0.95em;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
    background: transparent;
}

.source-option:hover,
.source-option.active {
    background: var(--primary-color);
    color: #ffffff;
}

.source-option i {
    font-size: 0.85em;
    opacity: 0.6;
}

.source-option.active i {
    opacity: 1;
}

.search-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 12px 20px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-btn:hover {
    background: var(--primary-color-dark);
    transform: translateY(-1px);
}

.search-btn:disabled {
    background: var(--text-secondary-color);
    cursor: not-allowed;
    transform: none;
}

/* 搜索结果区域 - 增强动效 */
.search-results {
    max-height: 0;
    overflow: hidden;
    border-top: 1px solid var(--border-color);
    margin-top: 15px;
    margin-left: -20px;
    margin-right: -20px;
    margin-bottom: -20px;
    padding-top: 0;
    padding-left: 20px;
    padding-right: 20px;
    position: relative;
    z-index: 1;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    border-radius: 0 0 14px 14px;
    flex: 1;
    min-height: 0;
}

/* 搜索模式下的搜索结果 */
.container.search-mode .search-results {
    max-height: none;
    height: 100%;
    padding-top: 15px;
    padding-bottom: 20px;
    opacity: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.search-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform: translateY(20px);
    opacity: 0;
    animation: slideInUp 0.4s ease forwards;
}

.search-result-item:nth-child(1) { animation-delay: 0.1s; }
.search-result-item:nth-child(2) { animation-delay: 0.15s; }
.search-result-item:nth-child(3) { animation-delay: 0.2s; }
.search-result-item:nth-child(4) { animation-delay: 0.25s; }
.search-result-item:nth-child(5) { animation-delay: 0.3s; }

@keyframes slideInUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.search-result-item:hover {
    background: var(--item-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.search-result-info {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 15px;
    margin-bottom: 4px;
}

.search-result-artist {
    font-size: 13px;
    color: var(--text-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-actions {
    display: flex;
    gap: 8px;
    margin-left: 15px;
}

.action-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
    z-index: 10000;
    font-weight: 500;
}

.action-btn:hover {
    background: var(--primary-color-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 188, 156, 0.3);
}

.action-btn.download {
    background: var(--success-color);
    padding: 4px 8px;
    font-size: 10px;
}

.action-btn.download:hover {
    background: #27ae60;
    box-shadow: 0 4px 12px rgba(46, 204, 113, 0.3);
}

/* 主要内容区域 - 播放模式显示，搜索模式隐藏 */
.main-content {
    display: contents;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.container.search-mode .main-content {
    display: none;
}

/* 音乐封面区域 */
.cover-area {
    grid-area: cover;
    background: var(--component-bg);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    text-align: center;
    box-sizing: border-box;
    height: 100%;
    overflow-y: auto;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.album-cover {
    width: 200px;
    height: auto;
    min-height: 200px;
    flex-grow: 0;
    flex-shrink: 0;
    border-radius: 12px;
    background: linear-gradient(45deg, var(--primary-color), var(--success-color));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    overflow: hidden;
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.album-cover.loading {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.album-cover .placeholder {
    font-size: 48px;
    color: white;
    opacity: 0.8;
}

.current-song-info {
    width: 100%;
}

.current-song-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.current-song-artist {
    font-size: 14px;
    color: var(--text-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 播放列表和歌词区域 */
.playlist, .lyrics {
    background: var(--component-bg);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--border-color);
    height: 100%;
    min-width: 0;
    max-width: 100%;
    max-height: 100%;
    box-sizing: border-box;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.playlist { 
    grid-area: playlist;
    background: var(--component-bg);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 100%;
    box-sizing: border-box;
}

.playlist-label {
    position: absolute;
    top: 16px;
    left: 20px;
    color: var(--text-secondary-color);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.08em;
    line-height: 1.2;
    display: none;
    pointer-events: none;
}

html.desktop-view .playlist-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

html.desktop-view body.dark-mode .playlist-label {
    color: var(--text-color);
}

html.mobile-view .playlist-label {
    display: none;
}

/* 当播放列表有内容时，调整布局 */
.playlist:not(.empty) {
    align-items: stretch;
    justify-content: flex-start;
    padding-top: 56px; /* Provide space for the clear button */
}

/* 播放列表空状态的提示文本 */
.playlist.empty::before {
    content: "点击\"探索雷达\"加载在线音乐";
    color: var(--text-secondary-color);
    font-style: italic;
    opacity: 0.7;
    font-size: 0.9em;
}

/* 清空播放列表按钮 */
.clear-playlist-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--component-bg);
    color: var(--text-secondary-color);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.25s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    font-size: 16px;
}

.clear-playlist-btn:hover {
    color: var(--warning-color);
    border-color: rgba(231, 76, 60, 0.45);
    box-shadow: 0 10px 25px rgba(231, 76, 60, 0.25);
    transform: translateY(-2px);
}

.clear-playlist-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.playlist-scroll {
    flex: 1;
    width: 100%;
    overflow-y: auto;
    padding-right: 8px;
    margin-right: -8px;
    overscroll-behavior: contain;
}

.playlist.empty .playlist-scroll {
    display: none;
}

.playlist-items {
    width: 100%;
}

.playlist.empty .clear-playlist-btn {
    display: none;
}

.playlist-items .playlist-item {
    padding: 10px 12px;
    border-radius: 8px;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
    font-size: 14px;
    margin-bottom: 2px;
}
.playlist-items .playlist-item:hover {
    background-color: var(--item-hover-bg);
    color: var(--item-current-text);
    transform: translateX(5px);
}
.playlist-items .playlist-item.current {
    color: var(--item-current-text);
    font-weight: 500;
    background-color: var(--item-current-bg);
}

/* 播放列表项下载按钮 - 修复大小和显示问题 */
.playlist-item-download {
    position: absolute;
    right: 35px; /* Adjusted position */
    top: 50%;
    transform: translateY(-50%);
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 4px;
    font-size: 10px;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    z-index: 1000;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.playlist-items .playlist-item:hover .playlist-item-download {
    opacity: 1;
}

.playlist-item-download:hover {
    background: var(--success-color-hover);
    transform: translateY(-50%) scale(1.05);
}

/* 播放列表项删除按钮 */
.playlist-item-remove {
    position: absolute;
    right: 8px; /* Adjusted position */
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 59, 48, 0.8);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 4px;
    font-size: 10px;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    z-index: 1000;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.playlist-items .playlist-item:hover .playlist-item-remove {
    opacity: 1;
}

.playlist-item-remove:hover {
    background: rgba(255, 59, 48, 1);
    transform: translateY(-50%) scale(1.05);
}
/* 动态质量菜单样式 */
.dynamic-quality-menu {
    background: var(--component-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 8px 0;
    min-width: 150px;
    animation: fadeIn 0.2s ease;
}

.dynamic-quality-menu .quality-option {
    padding: 8px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 14px;
    color: var(--text-color);
}

.dynamic-quality-menu .quality-option:hover {
    background: var(--primary-color);
    color: white;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.lyrics {
    grid-area: lyrics;
    text-align: center;
    font-size: 1em;
    line-height: 2;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
}

.lyrics-scroll {
    flex: 1;
    width: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-right: 8px;
    margin-right: -8px;
    overscroll-behavior: contain;
}

/* 当歌词容器有内容时的样式 */
.lyrics:not(.empty) .lyrics-scroll {
    align-items: flex-start;
    justify-content: flex-start;
}

.lyrics-content {
    width: 100%;
}

.lyrics-content > div {
    white-space: pre-wrap;
    padding: 5px;
    margin-bottom: 5px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

/* 当歌词容器只有默认文本时的样式 */
.lyrics.empty[data-placeholder="default"] .lyrics-content {
    display: none;
}

.lyrics.empty[data-placeholder="default"] .lyrics-scroll::before {
    content: "歌词将在此处同步显示";
    color: var(--text-secondary-color);
    font-style: italic;
    opacity: 0.7;
    font-size: 0.9em;
}

.lyrics.empty[data-placeholder="message"] .lyrics-scroll::before {
    content: none;
}
.lyrics .current { 
    color: var(--lyrics-highlight-text); 
    font-weight: 700; 
    background-color: var(--lyrics-highlight-bg); 
    transform: scale(1.05); 
    box-shadow: 0 4px 15px var(--lyrics-highlight-shadow); 
}

/* 控制区域 */
.controls {
    grid-area: controls;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.controls button {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2em; 
    width: 50px; 
    height: 50px; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    transition: all 0.2s ease; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); 
}
.controls button:hover { 
    background: var(--primary-color-dark); 
    transform: translateY(-2px); 
    box-shadow: 0 6px 15px rgba(0,0,0,0.15); 
}
.controls button:active { 
    transform: translateY(0); 
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); 
}
.controls button#loadOnlineBtn { 
    width: auto; 
    border-radius: 25px; 
    padding: 0 25px; 
    gap: 10px; 
}
.controls button:disabled { 
    background: var(--text-secondary-color); 
    cursor: not-allowed; 
    transform: none; 
    box-shadow: none; 
}
.transport-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

html:not(.mobile-view) #playModeBtn {
    margin-right: 8px;
}

#mobileQueueToggle {
    display: none;
}

#playPauseBtn {
    width: 60px;
    height: 60px;
    font-size: 1.4em;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1 1 320px;
    min-width: 260px;
}

.progress-container span {
    font-variant-numeric: tabular-nums;
    font-size: 0.85em;
    color: var(--text-secondary-color);
}

.progress-container input[type="range"] {
    flex: 1;
    height: 8px;
    border-radius: 999px;
    background: linear-gradient(to right, var(--primary-color) 0%, var(--primary-color) var(--progress, 0%), rgba(255, 255, 255, 0.5) var(--progress, 0%), rgba(255, 255, 255, 0.2) 100%);
    cursor: pointer;
    transition: background 0.2s ease;
}

.audio-tools {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.volume-container {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 140px;
}

.volume-container input[type="range"] {
    width: 120px;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(to right, var(--primary-color) 0%, var(--primary-color) var(--volume-progress, 100%), rgba(255, 255, 255, 0.2) var(--volume-progress, 100%), rgba(255, 255, 255, 0.1) 100%);
    cursor: pointer;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 2px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 2px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

input[type="range"]:active::-webkit-slider-thumb,
input[type="range"]:active::-moz-range-thumb {
    transform: scale(1.1);
}

.player-quality {
    position: relative;
}

.controls .player-quality-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--component-bg);
    color: var(--text-color);
    font-size: 0.9em;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    width: auto;
    height: auto;
    box-shadow: none;
}

.controls .player-quality-btn:hover,
.controls .player-quality-btn.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 6px 16px rgba(26, 188, 156, 0.25);
    background: var(--component-bg);
}

.player-quality-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    min-width: 180px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100000;
    pointer-events: none;
}

.player-quality-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.player-quality-menu.floating {
    position: fixed;
    right: auto;
    left: 0;
    top: 0;
    will-change: opacity, transform;
}

.player-quality-menu.floating:not(.show) {
    opacity: 0;
    visibility: hidden;
}

.player-quality-menu.open-upwards {
    transform-origin: bottom center;
}

.player-quality-menu.open-downwards {
    transform-origin: top center;
}

.player-quality-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    font-size: 0.9em;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.player-quality-option:hover,
.player-quality-option.active {
    background: var(--primary-color);
    color: white;
}

.player-quality-option small {
    opacity: 0.7;
}

#audioPlayer {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
}

/* 播放模式控制按钮 */
.play-mode-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.play-mode-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2em;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.play-mode-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.play-mode-btn.active {
    background: var(--primary-color);
    color: white;
}

/* 下载质量选择菜单 - 修复层级和显示问题 */
.quality-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
    z-index: 999999;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    pointer-events: none;
}

/* 确保搜索结果项在质量菜单显示时不会遮挡 */
.search-result-item {
    position: relative;
    z-index: 1;
}

.search-result-item:has(.quality-menu.show) {
    z-index: 1000000;
}

/* 为不支持 :has() 的浏览器提供备用方案 */
.search-result-item.menu-active {
    z-index: 1000000;
}

.quality-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.quality-option {
    padding: 6px 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 10px;
    font-weight: 500;
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(26, 188, 156, 0.18);
}

.quality-option:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(2px);
}

.quality-option:first-child {
    border-radius: 6px 6px 0 0;
}

.quality-option:last-child {
    border-radius: 0 0 6px 6px;
    border-bottom: none;
}

/* 加载更多按钮 - 增强样式 */
.load-more-btn {
    width: 100%;
    background: var(--component-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    padding: 15px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.load-more-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 188, 156, 0.35);
}

.load-more-btn:disabled {
    background: var(--text-secondary-color);
    border-color: var(--text-secondary-color);
    color: white;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 调试信息样式 */
.debug-info {
    position: fixed;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px;
    border-radius: 5px;
    font-size: 12px;
    z-index: 10000;
    max-width: 300px;
    display: none;
}

.debug-info.show {
    display: block;
}

.loader { 
    width: 20px; 
    height: 20px; 
    border: 3px solid var(--primary-color); 
    border-bottom-color: transparent; 
    border-radius: 50%; 
    display: inline-block; 
    box-sizing: border-box; 
    animation: rotation 1s linear infinite; 
}
@keyframes rotation { 
    0% { transform: rotate(0deg); } 
    100% { transform: rotate(360deg); } 
}

.theme-switch-wrapper {
    position: absolute;
    top: 0px;
    right: 0px;
    display: flex;
    justify-content: flex-end;
}

.theme-toggle-button {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.4));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
    position: relative;
    overflow: hidden;
    color: var(--primary-color);
}

.theme-toggle-button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(26, 188, 156, 0.25);
}

.theme-toggle-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.16);
}

.theme-toggle-button.is-dark {
    background: linear-gradient(160deg, rgba(36, 42, 54, 0.9), rgba(24, 30, 42, 0.7));
    border-color: rgba(26, 188, 156, 0.45);
}

.theme-toggle-button .theme-icon {
    position: absolute;
    font-size: 18px;
    transition: opacity 0.35s ease, transform 0.45s ease;
    opacity: 0;
    transform: scale(0.6) rotate(-20deg);
}

.theme-toggle-button .theme-icon--sun {
    color: #f5a623;
    text-shadow: 0 0 10px rgba(245, 166, 35, 0.4);
}

.theme-toggle-button .theme-icon--moon {
    color: #a29bfe;
    text-shadow: 0 0 10px rgba(162, 155, 254, 0.4);
    transform: scale(0.6) rotate(20deg);
}

.theme-toggle-button:not(.is-dark) .theme-icon--sun {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.theme-toggle-button.is-dark .theme-icon--moon {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

/* 通知样式 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--success-color);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.error {
    background: var(--warning-color);
}

.notification.warning {
    background: #f39c12;
}

/* 视图切换按钮 - 桌面端隐藏 */
.view-toggle {
    display: none;
}

.mobile-panel {
    display: contents;
}

.mobile-turntable {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 15px;
}

.mobile-turntable__platter {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 220px;
}