/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: #121212;
    color: #fff;
    line-height: 1.6;
    overflow: hidden;
    height: 100vh;
}

:root {
    --sidebar-width: 300px;
    --accent-color: #fa586a;
    --lyrics-highlight: #fa586a;
    --background-dark: #121212;
    --background-light: #1e1e1e;
    --text-primary: #fff;
    --text-secondary: #b3b3b3;
    --border-color: #282828;
    /* 歌词基准字体大小 (rem) */
    --lyrics-size: 2.8rem;
}

/* 应用容器 */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

/* 顶部导航栏 */
.top-bar {
    height: 60px;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    border-bottom: 1px solid var(--border-color);
    z-index: 10;
}

.logo {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    color: var(--accent-color);
}

.top-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 10px;
    color: var(--text-secondary);
}

.search-box input {
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 4px;
    padding: 8px 10px 8px 35px;
    color: var(--text-primary);
    width: 200px;
}

.search-box input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
}

.playlist-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.playlist-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 主内容区 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

/* 播放区域 */
.player-area {
    flex: 1;
    display: flex;
    overflow: hidden;
    background-color: var(--background-light);
}

/* 封面容器 */
.cover-container {
    /* 保持原有 */
    width: 40%;
    max-width: 500px;
    min-width: 300px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--background-dark);
    position: relative; /* 确保封面绝对定位 */
}

/* 占位符确保 1:1 比例 */
.cover-container::before {
    content: "";
    display: block;
    width: 100%;
    padding-top: 100%;
}

/* 统一封面样式（默认封面 & 动画生成封面） */
.cover-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.song-info {
    text-align: center;
    width: 100%;
    margin-top: 20px; /* 恢复合适间距 */
    position: relative;
    z-index: 1;
}

#song-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#song-artist {
    font-size: 1.2rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 歌词容器 */
.lyrics-container {
    flex: 1;
    padding: 30px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 100%;
    background-color: var(--background-light); /* 确保背景色与页面一致 */
}

.lyrics-content {
    width: 100%;
    height: 100%;
    position: relative;
    padding: 0;
    /* 创建顶部和底部的渐变遮罩，类似Apple Music效果 */
    mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
    /* 隐藏滚动条 */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    overflow: hidden;
}

.lyrics-content::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.lyrics-wrapper {
    position: relative;
    height: 100%;
    width: 100%;
}

.lyrics-lines {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: left;
    padding-left: 30px;
}

/* 歌词行基本样式 */
.lyrics-line {
    padding: 18px 0;
    text-align: left;
    font-size: var(--lyrics-size);
    width: 100%;
    filter: blur(0px);
    transform-origin: left center;
    opacity: 0.3;
    will-change: transform, opacity, filter, top;
    /* 确保每行有足够的空间，避免重叠 */
    min-height: 1.5em;
    margin: 5px 0;
    /* 确保文本不会被截断 */
    white-space: normal; /* 允许换行 */
    word-break: break-all; /* 中文无空格也可换行 */
    overflow: visible;
    max-width: calc(100% - 60px); /* 保留左右内边距 */
    /* 使用GPU加速 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    backface-visibility: hidden;
    /* 添加过渡效果 */
    transition: top 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.6s ease;
    position: absolute;
    left: 0;
    transform: scale(0.9);
    display: block;
}

/* 活跃歌词颜色使用主题色变量 */
.lyrics-line.active {
    color: var(--lyrics-highlight);
    font-size: calc(var(--lyrics-size) * 1.2);
    font-weight: 500;
    opacity: 1;
    filter: blur(0);
    padding: 24px 0;
    /* 确保活跃行有足够的空间 */
    min-height: 2em;
    margin: 10px 0;
    z-index: 10; /* 确保活跃行在最上层 */
}

/* 即将播放的歌词（前3行） */
.lyrics-line.pre-1 {
    opacity: 0.8;
    filter: blur(0.5px);
    /* transform由JS控制 */
    font-size: 1.4rem;
    z-index: 9;
}

.lyrics-line.pre-2 {
    opacity: 0.6;
    filter: blur(1px);
    /* transform由JS控制 */
    font-size: 1.4rem;
    z-index: 8;
}

.lyrics-line.pre-3 {
    opacity: 0.4;
    filter: blur(1.5px);
    /* transform由JS控制 */
    font-size: 1.4rem;
    z-index: 7;
}

/* 已播放的歌词（后3行） */
.lyrics-line.post-1 {
    opacity: 0.8;
    filter: blur(0.5px);
    /* transform由JS控制 */
    font-size: 1.4rem;
    z-index: 9;
}

.lyrics-line.post-2 {
    opacity: 0.6;
    filter: blur(1px);
    /* transform由JS控制 */
    font-size: 1.4rem;
    z-index: 8;
}

.lyrics-line.post-3 {
    opacity: 0.4;
    filter: blur(1.5px);
    /* transform由JS控制 */
    font-size: 1.4rem;
    z-index: 7;
}

/* 其他歌词（更远的行） */
.lyrics-line.distant {
    opacity: 0.2;
    filter: blur(2px);
    /* transform由JS控制 */
    font-size: 1.4rem;
    z-index: 6;
}

.no-lyrics {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    font-size: 1.2rem;
    opacity: 0.6;
    width: 100%;
}

/* 底部控制栏 */
.player-controls-bar {
    height: 80px;
    background-color: rgba(0, 0, 0, 0.8);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 10;
}

/* 播放控制 */
.player-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.control-button {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.control-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.play-button {
    background-color: var(--accent-color);
    width: 50px;
    height: 50px;
    font-size: 1.4rem;
}

.play-button:hover {
    background-color: #e04e5f;
}

/* 播放模式控制 */
.play-mode-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid var(--border-color);
}

.mode-button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mode-button:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.mode-button.active {
    color: var(--accent-color);
    background: rgba(250, 88, 106, 0.1);
}

/* 播放模式按钮组 */
.mode-button-group {
    position: relative;
    display: inline-block;
}

/* 播放模式菜单 */
.mode-menu {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(10px);
    transition: all 0.3s ease;
    margin-bottom: 5px;
}

.mode-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mode-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.mode-menu-item:first-child {
    border-radius: 8px 8px 0 0;
}

.mode-menu-item:last-child {
    border-radius: 0 0 8px 8px;
}

.mode-menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mode-menu-item.active {
    background: rgba(250, 88, 106, 0.1);
    color: var(--accent-color);
}

.mode-menu-item i {
    width: 16px;
    text-align: center;
    font-size: 0.9rem;
}

.mode-menu-item span {
    flex: 1;
}

/* 播放模式菜单分隔线 */
.mode-menu-separator {
    height: 1px;
    background: var(--border-color);
    margin: 8px 0;
}

/* 播放模式歌单列表 */
.mode-playlists {
    max-height: 200px;
    overflow-y: auto;
}

.mode-playlist-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.mode-playlist-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.mode-playlist-item.active {
    background: rgba(250, 88, 106, 0.1);
    color: var(--accent-color);
}

.mode-playlist-item i {
    width: 16px;
    text-align: center;
    font-size: 0.8rem;
}

.mode-playlist-info {
    flex: 1;
}

.mode-playlist-name {
    font-weight: 500;
    margin-bottom: 2px;
}

.mode-playlist-count {
    font-size: 0.75rem;
    opacity: 0.7;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    max-width: 600px;
    margin: 0 30px;
}

.time {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 40px;
}

.progress-bar {
    flex-grow: 1;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.progress {
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 2px;
    width: 0%;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.volume-slider {
    width: 100px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.volume-progress {
    height: 100%;
    background-color: var(--text-primary);
    border-radius: 2px;
    width: 70%;
}

/* 抽出式歌单 */
.playlist-drawer {
    position: fixed;
    top: 60px;
    right: -300px;
    width: 300px;
    height: calc(100vh - 60px);
    background-color: var(--background-dark);
    border-left: 1px solid var(--border-color);
    z-index: 100;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.playlist-drawer.open {
    right: 0;
}

.playlist-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

/* 歌单标签页 */
.playlist-tabs {
    display: flex;
    gap: 5px;
}

.tab-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.tab-button:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.tab-button.active {
    color: var(--accent-color);
    background: rgba(250, 88, 106, 0.1);
}

/* 歌单操作按钮 */
.playlist-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.upload-link, .create-playlist-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-link:hover, .create-playlist-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.playlist-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.playlist-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* 标签页内容 */
.tab-content {
    display: none;
    flex: 1;
    overflow: hidden;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

/* 歌单列表 */
.playlist-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.playlist-item {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    border: 1px solid transparent;
}

.playlist-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
}

.playlist-item.active {
    background-color: rgba(250, 88, 106, 0.1);
    border-color: var(--accent-color);
}

.playlist-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

.playlist-name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.playlist-actions-menu {
    display: flex;
    gap: 5px;
}

.playlist-action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.playlist-action-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.playlist-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.playlist-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 歌单歌曲视图 */
.playlist-songs {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.playlist-songs-header {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 15px;
}

.back-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.back-button:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.playlist-songs-header h4 {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

.edit-playlist-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.edit-playlist-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* 歌曲列表 */
.song-list {
    list-style: none;
    overflow-y: auto;
    flex: 1;
    padding: 10px;
}

.song-list li {
    padding: 12px 15px;
    border-radius: 6px;
    margin-bottom: 2px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-list li:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.song-list li.active {
    background-color: rgba(250, 88, 106, 0.2);
    color: var(--accent-color);
    font-weight: 500;
}

/* 遮罩层 */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--background-light);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--background-dark);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* 按钮样式 */
.btn-primary,
.btn-secondary {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background-color: #e04e5f;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.1);
}

/* 歌曲选择界面 */
.available-songs {
    max-height: 400px;
    overflow-y: auto;
}

.song-select-item {
    display: flex;
    align-items: center;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.song-select-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.song-select-item.selected {
    background-color: rgba(250, 88, 106, 0.1);
    border: 1px solid var(--accent-color);
}

.song-select-checkbox {
    margin-right: 12px;
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
}

.song-select-info {
    flex: 1;
}

.song-select-title {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.song-select-artist {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 空状态样式 */
.empty-playlists {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-playlists p {
    margin: 0;
    font-size: 0.9rem;
}

.empty-playlist-songs {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-style: italic;
}

/* 歌单歌曲项样式 */
.playlist-song-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    border-radius: 6px;
    margin-bottom: 2px;
    transition: background-color 0.2s;
}

.playlist-song-list li:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.song-info {
    flex: 1;
    cursor: pointer;
    font-size: 0.9rem;
}

.remove-song-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
    opacity: 0;
}

.playlist-song-list li:hover .remove-song-btn {
    opacity: 1;
}

.remove-song-btn:hover {
    color: #ff4757;
    background: rgba(255, 71, 87, 0.1);
}

/* 上传区域 */
.upload-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.file-input-wrapper {
    position: relative;
    overflow: hidden;
}

.file-input-wrapper input[type=file] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-input-wrapper label {
    display: block;
    padding: 8px 15px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 0.9rem;
}

.file-input-wrapper:hover label {
    background-color: rgba(255, 255, 255, 0.2);
}

#upload-button {
    padding: 8px 15px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-weight: 500;
    font-size: 0.9rem;
}

#upload-button:hover {
    background-color: #e04e5f;
}

#upload-status {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-left: 10px;
}

.upload-link {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}
.upload-link:hover {
    background-color: rgba(255,255,255,0.1);
}

/* 动态背景容器和色块样式 */
#dynamic-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1; /* 确保位于所有内容之下 */
    pointer-events: none;
}

.dynamic-square {
    position: absolute;
    border-radius: 4px;
    opacity: 0.35;
    will-change: transform, left, top;
    pointer-events: none;
}

/* 加载进度条样式 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-container {
    background-color: var(--background-dark);
    border-radius: 8px;
    padding: 20px;
    width: 300px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

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

.loading-progress-container {
    width: 100%;
    margin-bottom: 10px;
}

.loading-progress-bar {
    height: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background-color: var(--accent-color);
    width: 0%;
    transition: width 0.3s ease;
}

.loading-text {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .player-area {
        flex-direction: column;
    }
    
    .cover-container {
        width: 100%;
        max-width: none;
        height: 40%;
        min-height: 300px;
        padding: 20px;
    }
    
    #cover-image {
        max-height: 200px;
        width: auto;
        margin-bottom: 15px;
    }
    
    .lyrics-container {
        padding: 15px;
    }
    
    .lyrics-content {
        align-items: center;
    }
    
    .lyrics-line {
        text-align: center;
        transform-origin: center;
    }
}

@media (max-width: 768px) {
    .top-controls {
        gap: 10px;
    }
    
    .search-box {
        display: none;
    }
    
    .player-controls-bar {
        padding: 0 15px;
        height: 70px;
    }
    
    .progress-container {
        margin: 0 10px;
    }
    
    .volume-control {
        display: none;
    }
} 

/* 字体大小滑块样式 */
.font-size-control {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.font-size-control input[type=range] {
    width: 120px;
} 

/* 颜色选择控件样式 */
.color-control {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.color-control input[type=color] {
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
}