/**
 * 背景音乐播放器样式
 * GitHub暗黑风格
 */

/* ========================================
   播放器容器 - 固定定位在右下角（位于智能助手悬浮球上方）
   ======================================== */
.music-player {
    position: fixed !important;
    bottom: 150px !important; /* PC端位置 */
    right: 35px !important;
    width: 320px;
    max-width: calc(100vw - 40px);
    background: var(--bg-secondary, #161b22);
    border: 1px solid var(--border-primary, #30363d);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 9998;
    transition: transform 0.3s ease, opacity 0.3s ease;
    backdrop-filter: blur(10px);
}

.music-player.minimized {
    width: 50px;
    height: 50px;
    bottom: 100px !important; /* PC端最小化时位置 */
    right: 35px !important;
    border-radius: 50%; /* 最小化时显示为圆形 */
    overflow: hidden;
}

/* 最小化状态下隐藏标题和播放列表按钮 */
.music-player.minimized .music-player-title,
.music-player.minimized .music-player-list-toggle {
    display: none !important;
}

/* 最小化状态下只显示最小化按钮，居中显示 */
.music-player.minimized .music-player-header {
    justify-content: center;
    align-items: center;
    padding: 0;
    height: 100%;
    border-bottom: none;
}

.music-player.minimized .music-player-controls-header {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
}

/* 最小化状态下，最小化按钮占满整个区域 */
.music-player.minimized .music-player-btn-minimize {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: none;
    font-size: 20px;
}

.music-player.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
}

/* ========================================
   播放器头部
   ======================================== */
.music-player-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-primary, #30363d);
    cursor: pointer;
    user-select: none;
}

.music-player-header:hover {
    background: var(--bg-tertiary, #21262d);
}

.music-player-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #e6edf3);
    flex: 1;
    min-width: 0;
}

.music-player-title i {
    font-size: 16px;
    color: var(--accent-primary, #58a6ff);
}

.music-player-title-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.music-player-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-primary, #30363d);
    border-radius: 6px;
    color: var(--text-primary, #e6edf3);
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    font-size: 14px;
}

.music-player-btn:hover {
    background: var(--btn-hover-bg, #30363d);
    border-color: var(--accent-primary, #58a6ff);
    color: var(--accent-primary, #58a6ff);
}

.music-player-btn.active {
    background: var(--accent-primary, #58a6ff);
    border-color: var(--accent-primary, #58a6ff);
    color: #fff;
}

/* ========================================
   播放器主体内容
   ======================================== */
.music-player-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.music-player.minimized .music-player-body {
    display: none;
}

/* ========================================
   当前播放信息
   ======================================== */
.music-player-current {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.music-player-track-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary, #e6edf3);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.music-player-progress {
    display: flex;
    align-items: center;
    gap: 8px;
}

.music-player-progress-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-tertiary, #21262d);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.music-player-progress-fill {
    height: 100%;
    background: var(--accent-primary, #58a6ff);
    border-radius: 2px;
    transition: width 0.1s linear;
    position: relative;
}

.music-player-progress-fill::after {
    content: '';
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent-primary, #58a6ff);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.music-player-progress-bar:hover .music-player-progress-fill::after {
    opacity: 1;
}

.music-player-time {
    font-size: 11px;
    color: var(--text-secondary, #8b949e);
    min-width: 70px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ========================================
   播放控制按钮组
   ======================================== */
.music-player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.music-player-btn-control {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-primary, #30363d);
    border-radius: 8px;
    color: var(--text-primary, #e6edf3);
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    font-size: 16px;
}

.music-player-btn-control:hover {
    background: var(--btn-hover-bg, #30363d);
    border-color: var(--accent-primary, #58a6ff);
    color: var(--accent-primary, #58a6ff);
    transform: scale(1.05);
}

.music-player-btn-play {
    width: 44px;
    height: 44px;
    font-size: 20px;
    background: var(--accent-primary, #58a6ff);
    border-color: var(--accent-primary, #58a6ff);
    color: #fff;
}

.music-player-btn-play:hover {
    background: var(--accent-hover, #79c0ff);
    border-color: var(--accent-hover, #79c0ff);
    color: #fff;
    transform: scale(1.08);
}

/* ========================================
   音量控制
   ======================================== */
.music-player-volume {
    display: flex;
    align-items: center;
    gap: 8px;
}

.music-player-volume-btn {
    width: 28px;
    height: 28px;
    font-size: 14px;
}

.music-player-volume-slider {
    flex: 1;
    height: 4px;
    background: var(--bg-tertiary, #21262d);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

.music-player-volume-fill {
    height: 100%;
    background: var(--accent-primary, #58a6ff);
    border-radius: 2px;
    transition: width 0.1s ease;
}

/* ========================================
   播放模式
   ======================================== */
.music-player-mode {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.music-player-mode-btn {
    width: 28px;
    height: 28px;
    font-size: 12px;
    padding: 0;
}

/* ========================================
   曲目列表
   ======================================== */
.music-player-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-primary, #30363d);
    border-radius: 8px;
    background: var(--bg-tertiary, #21262d);
}

.music-player-list-item {
    padding: 10px 12px;
    cursor: pointer;
    transition: background 0.2s ease;
    border-bottom: 1px solid var(--border-primary, #30363d);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.music-player-list-item:hover {
    background: var(--btn-hover-bg, #30363d);
}

.music-player-list-item.active {
    background: rgba(88, 166, 255, 0.15);
    border-left: 3px solid var(--accent-primary, #58a6ff);
}

.music-player-list-item-name {
    flex: 1;
    font-size: 13px;
    color: var(--text-primary, #e6edf3);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.music-player-list-item.active .music-player-list-item-name {
    color: var(--accent-primary, #58a6ff);
    font-weight: 500;
}

.music-player-list-toggle {
    width: 100%;
    padding: 8px;
    background: var(--bg-tertiary, #21262d);
    border: 1px solid var(--border-primary, #30363d);
    border-radius: 6px;
    color: var(--text-secondary, #8b949e);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.music-player-list-toggle:hover {
    background: var(--btn-hover-bg, #30363d);
    color: var(--text-primary, #e6edf3);
    border-color: var(--accent-primary, #58a6ff);
}

/* ========================================
   滚动条样式
   ======================================== */
.music-player-list::-webkit-scrollbar {
    width: 6px;
}

.music-player-list::-webkit-scrollbar-track {
    background: var(--bg-secondary, #161b22);
    border-radius: 3px;
}

.music-player-list::-webkit-scrollbar-thumb {
    background: var(--border-primary, #30363d);
    border-radius: 3px;
}

.music-player-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted, #6e7681);
}

/* ========================================
   动画效果
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.music-player.fade-in {
    animation: fadeIn 0.3s ease;
}

.music-player-btn-play.playing i::before {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ========================================
   响应式设计 - 移动端
   ======================================== */
@media (max-width: 768px) {
    .music-player {
        width: calc(100vw - 24px);
        max-width: 360px;
        bottom: 150px !important; /* 移动端同步PC端位置 */
        right: 35px !important;
        left: auto;
    }
    
    .music-player.minimized {
        width: 50px;
        height: 50px;
        bottom: 100px !important; /* 移动端最小化时位置 */
        right: 35px !important;
    }
    
    .music-player-header {
        padding: 10px 12px;
    }
    
    .music-player-body {
        padding: 12px;
    }
    
    .music-player-list {
        max-height: 150px;
    }
    
    .music-player-btn-control {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .music-player-btn-play {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .music-player {
        width: calc(100vw - 16px);
        bottom: 150px !important; /* 小屏移动端同步PC端位置 */
        right: 35px !important;
    }
    
    .music-player.minimized {
        width: 50px;
        height: 50px;
        bottom: 100px !important; /* 小屏移动端最小化时位置 */
        right: 35px !important;
    }
    
    .music-player-title-text {
        font-size: 13px;
    }
    
    .music-player-track-name {
        font-size: 13px;
    }
    
    .music-player-controls {
        gap: 6px;
    }
}

/* ========================================
   暗色主题适配（默认已经是暗色，这里确保兼容）
   ======================================== */
[data-theme="dark"] .music-player,
.music-player {
    background: var(--bg-secondary, #161b22);
    border-color: var(--border-primary, #30363d);
    color: var(--text-primary, #e6edf3);
}

/* ========================================
   亮色主题适配（如果需要）
   ======================================== */
[data-theme="light"] .music-player {
    background: #ffffff;
    border-color: #d0d7de;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .music-player-header {
    border-bottom-color: #d0d7de;
}

[data-theme="light"] .music-player-header:hover {
    background: #f6f8fa;
}

[data-theme="light"] .music-player-btn {
    border-color: #d0d7de;
    color: #24292f;
}

[data-theme="light"] .music-player-btn:hover {
    background: #f6f8fa;
    border-color: #0969da;
    color: #0969da;
}

[data-theme="light"] .music-player-progress-bar {
    background: #d0d7de;
}

[data-theme="light"] .music-player-list {
    background: #f6f8fa;
    border-color: #d0d7de;
}

[data-theme="light"] .music-player-list-item {
    border-bottom-color: #d0d7de;
}

[data-theme="light"] .music-player-list-item:hover {
    background: #e7ecf0;
}

[data-theme="light"] .music-player-time {
    color: #656d76;
}

[data-theme="light"] .music-player-list-item-name {
    color: #24292f;
}

/* ========================================
   工具类
   ======================================== */
.music-player-hidden {
    display: none !important;
}

.music-player-disabled {
    opacity: 0.5;
    pointer-events: none;
}