/**
 * Music Page Styles
 * 蔚蓝意式风格音乐播放器页面
 *
 * @package NordicTimeline
 * @version 1.0.0
 */

/* ===== CSS 变量 ===== */
:root {
    --music-primary: #4A8DB7;
    --music-primary-light: #6BAED6;
    --music-primary-dark: #2E6E8F;
    --music-accent: #D4A855;
    --music-bg: #F6F9FC;
    --music-bg-warm: #F0F5FA;
    --music-text: #1A2B3C;
    --music-text-light: #6B7D8E;
    --music-border: #DCE5EE;
    --music-card: #FFFFFF;
    --music-shadow: 0 2px 12px rgba(26, 43, 60, 0.08);
    --music-shadow-hover: 0 8px 24px rgba(26, 43, 60, 0.12);
    --music-font-wenkai: 'LXGW WenKai Lite', 'Noto Serif SC', Georgia, serif;
}

/* ===== 页面容器 ===== */
.music-page {
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 20px 100px;
    min-height: calc(100vh - 200px);
}

/* ===== 页面头部 ===== */
.music-page-header {
    text-align: center;
    margin-bottom: 40px;
}

.music-page-title {
    font-family: var(--music-font-wenkai);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--music-text);
    margin-bottom: 24px;
    letter-spacing: 2px;
}

/* ===== 搜索框 ===== */
.music-search-box {
    display: flex;
    justify-content: center;
    max-width: 500px;
    margin: 0 auto 16px;
    gap: 0;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: var(--music-shadow);
    background: var(--music-card);
    border: 1px solid var(--music-border);
}

.music-search-box input {
    flex: 1;
    padding: 14px 24px;
    border: none;
    background: transparent;
    font-size: 15px;
    color: var(--music-text);
    outline: none;
}

.music-search-box input::placeholder {
    color: var(--music-text-light);
}

.music-search-btn {
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--music-primary), var(--music-primary-light));
    border: none;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.music-search-btn:hover {
    background: linear-gradient(135deg, var(--music-primary-dark), var(--music-primary));
}

/* ===== 外部链接解析 ===== */
.music-link-parse {
    display: flex;
    justify-content: center;
    max-width: 400px;
    margin: 0 auto;
    gap: 8px;
}

.music-link-parse input {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--music-border);
    border-radius: 25px;
    background: var(--music-card);
    font-size: 13px;
    color: var(--music-text);
    outline: none;
    transition: border-color 0.3s ease;
}

.music-link-parse input:focus {
    border-color: var(--music-primary);
}

.music-link-parse input::placeholder {
    color: var(--music-text-light);
    font-size: 12px;
}

.music-link-btn {
    padding: 10px 20px;
    background: var(--music-bg-warm);
    border: 1px solid var(--music-border);
    border-radius: 25px;
    color: var(--music-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.music-link-btn:hover {
    background: var(--music-primary);
    color: #fff;
    border-color: var(--music-primary);
}

/* ===== 区块标题 ===== */
.music-section-title {
    font-family: var(--music-font-wenkai);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--music-text);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--music-border);
}

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

.music-section-header .music-section-title {
    margin-bottom: 0;
    border-bottom: none;
}

.music-close-search {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--music-bg-warm);
    border-radius: 50%;
    color: var(--music-text-light);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.music-close-search:hover {
    background: var(--music-border);
    color: var(--music-text);
}

/* ===== 搜索结果区域 ===== */
.music-search-results {
    margin-bottom: 40px;
    animation: fadeIn 0.3s ease;
}

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

/* ===== 歌单列表 ===== */
.music-playlists {
    margin-bottom: 40px;
}

.music-playlist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
}

.music-playlist-card {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.music-playlist-card:hover {
    transform: translateY(-4px);
}

.music-playlist-card:hover .playlist-cover {
    box-shadow: var(--music-shadow-hover);
}

.music-playlist-card:hover .playlist-play-overlay {
    opacity: 1;
}

.playlist-cover {
    position: relative;
    aspect-ratio: 1;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--music-shadow);
    transition: box-shadow 0.3s ease;
    background: linear-gradient(135deg, var(--music-bg-warm), var(--music-bg));
}

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

.playlist-cover-default {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--music-primary);
    background: linear-gradient(135deg, var(--music-bg-warm), #e8f0f6);
}

.playlist-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(74, 141, 183, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: #fff;
}

.playlist-name {
    display: block;
    margin-top: 12px;
    font-size: 14px;
    color: var(--music-text);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== 歌单详情 ===== */
.music-playlist-detail {
    animation: fadeIn 0.3s ease;
}

.playlist-detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.playlist-back-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--music-bg-warm);
    border: 1px solid var(--music-border);
    border-radius: 25px;
    color: var(--music-text);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.playlist-back-btn:hover {
    background: var(--music-primary);
    color: #fff;
    border-color: var(--music-primary);
}

.playlist-detail-title {
    font-family: var(--music-font-wenkai);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--music-text);
    margin: 0;
}

/* ===== 歌曲列表 ===== */
.music-song-list {
    background: var(--music-card);
    border-radius: 12px;
    box-shadow: var(--music-shadow);
    overflow: hidden;
}

.music-song-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--music-border);
    transition: background 0.2s ease;
    cursor: pointer;
}

.music-song-item:last-child {
    border-bottom: none;
}

.music-song-item:hover {
    background: var(--music-bg-warm);
}

.music-song-item.active {
    background: rgba(74, 141, 183, 0.08);
}

.song-number {
    width: 32px;
    text-align: center;
    font-size: 13px;
    color: var(--music-text-light);
    font-variant-numeric: tabular-nums;
}

.song-cover {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    overflow: hidden;
    margin-right: 12px;
    flex-shrink: 0;
    background: var(--music-bg-warm);
}

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

.song-cover-default {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--music-primary);
}

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

.song-name {
    display: block;
    font-size: 14px;
    color: var(--music-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-artist {
    display: block;
    font-size: 12px;
    color: var(--music-text-light);
    margin-top: 2px;
}

.song-play-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--music-bg-warm);
    border-radius: 50%;
    color: var(--music-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.song-play-btn:hover {
    background: var(--music-primary);
    color: #fff;
}

.song-play-btn.playing {
    background: var(--music-primary);
    color: #fff;
}

/* ===== 底部播放器 ===== */
.music-player-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--music-card);
    box-shadow: 0 -2px 20px rgba(26, 43, 60, 0.1);
    z-index: 9999;
    padding: 12px 20px;
}

.player-main {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
}

.player-cover {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--music-bg-warm);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

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

.player-cover-default {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--music-primary);
    background: linear-gradient(135deg, var(--music-bg-warm), #e8f0f6);
}

.player-info {
    flex: 0 0 140px;
    min-width: 0;
}

.player-song-name {
    display: block;
    font-size: 14px;
    color: var(--music-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.player-artist {
    display: block;
    font-size: 12px;
    color: var(--music-text-light);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.player-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    border-radius: 50%;
    color: var(--music-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.player-btn:hover {
    background: var(--music-bg-warm);
    color: var(--music-primary);
}

.player-btn-play {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--music-primary), var(--music-primary-light));
    color: #fff;
}

.player-btn-play:hover {
    background: linear-gradient(135deg, var(--music-primary-dark), var(--music-primary));
    transform: scale(1.05);
}

.player-progress {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.player-progress-bar {
    flex: 1;
    height: 4px;
    background: var(--music-border);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.player-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--music-primary), var(--music-primary-light));
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
}

.player-time {
    font-size: 12px;
    color: var(--music-text-light);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.player-btn-list {
    flex-shrink: 0;
}

/* ===== 播放列表弹窗 ===== */
.music-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 43, 60, 0.4);
    z-index: 10000;
}

.music-playlist-popup {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 320px;
    max-height: 400px;
    background: var(--music-card);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(26, 43, 60, 0.2);
    z-index: 10001;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.playlist-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--music-border);
    font-weight: 500;
    color: var(--music-text);
}

.playlist-popup-close {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--music-text-light);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.playlist-popup-close:hover {
    color: var(--music-text);
}

.playlist-popup-list {
    overflow-y: auto;
    flex: 1;
    padding: 8px 0;
}

.playlist-popup-item {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.playlist-popup-item:hover {
    background: var(--music-bg-warm);
}

.playlist-popup-item.active {
    background: rgba(74, 141, 183, 0.08);
}

.playlist-popup-item .song-name {
    flex: 1;
    font-size: 13px;
    color: var(--music-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.playlist-popup-item .song-artist {
    font-size: 12px;
    color: var(--music-text-light);
    margin-left: 8px;
}

/* ===== 空状态 ===== */
.music-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--music-text-light);
}

.music-empty-state svg {
    margin-bottom: 16px;
    opacity: 0.5;
}

.music-empty-state p {
    font-size: 14px;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .music-page {
        padding: 20px 16px 100px;
    }
    
    .music-page-title {
        font-size: 2rem;
    }
    
    .music-playlist-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .player-main {
        gap: 12px;
        padding: 0;
    }
    
    .player-info {
        flex: 0 0 100px;
    }
    
    .player-progress {
        display: none;
    }
    
    .player-btn-list {
        display: none;
    }
    
    .music-playlist-popup {
        left: 16px;
        right: 16px;
        width: auto;
        bottom: 80px;
    }
    
    /* 适配移动端底部标签栏 - 避免播放器被遮挡 */
    .music-player-bar {
        bottom: calc(49px + env(safe-area-inset-bottom, 0px));
        padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    }
}

@media (max-width: 480px) {
    .music-playlist-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .playlist-name {
        font-size: 13px;
    }
    
    .music-song-item {
        padding: 10px 12px;
    }
    
    .song-cover {
        width: 40px;
        height: 40px;
    }
}