/* 音乐管理器窗口样式 */
.music-manager-window {
    display: none;
    position: fixed;
    top: 200px;
    left: 300px;
    width: 600px;
    height: 500px;
    background: white;
    border-radius: 6px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    z-index: 110;
    flex-direction: column;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* 标题栏 */
.music-manager-window .window-titlebar {
    background: linear-gradient(to bottom, #0078d7, #005fb3);
    color: white;
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: move;
    user-select: none;
}

.music-manager-window .window-title {
    font-weight: bold;
    font-size: 14px;
}

.music-manager-window .window-controls {
    display: flex;
    gap: 5px;
}

.music-manager-window .window-controls button {
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
}

.music-manager-window .window-controls button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.music-manager-window .window-controls button:active {
    background: rgba(255, 255, 255, 0.3);
}

/* 工具栏 */
.music-manager-window .music-toolbar {
    background: #f0f0f0;
    border-bottom: 1px solid #d0d0d0;
    padding: 8px 12px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.music-manager-window .music-toolbar button {
    padding: 6px 12px;
    background: white;
    border: 1px solid #c0c0c0;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    color: #333;
    transition: all 0.2s ease;
}

.music-manager-window .music-toolbar button:hover {
    background: #e8e8e8;
    border-color: #a0a0a0;
}

.music-manager-window .music-toolbar button:active {
    background: #d0d0d0;
}

/* 主内容区域 */
.music-manager-window .music-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* 侧边栏 */
.music-manager-window .music-sidebar {
    width: 120px;
    background: #f5f5f5;
    border-right: 1px solid #d0d0d0;
    overflow-y: auto;
    font-size: 12px;
}

.music-manager-window .music-sidebar-item {
    padding: 8px 10px;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.music-manager-window .music-sidebar-item:hover {
    background: #e0e0e0;
}

.music-manager-window .music-sidebar-item.active {
    background: #d0d0d0;
    border-left-color: #0078d7;
    font-weight: bold;
}

/* 文件容器 */
.music-manager-window .music-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.music-files-container {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    align-content: start;
}

/* 文件项目 */
.music-file-item,
.music-folder-item {
    padding: 10px;
    background: #f0f0f0;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    user-select: none;
    text-align: center;
}

.music-file-item:hover,
.music-folder-item:hover {
    background: #e0e0e0;
    border-color: #c0c0c0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.music-file-item:active,
.music-folder-item:active {
    background: #d0d0d0;
}

.music-file-item.selected,
.music-folder-item.selected {
    background: #0078d7;
    color: white;
    border-color: #0078d7;
}

.music-icon {
    font-size: 32px;
}

.music-name {
    font-size: 12px;
    white-space: normal;
    word-break: break-all;
    max-width: 100%;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* 文件夹标题 */
.music-folder-title {
    padding: 8px 12px;
    background: #e8e8e8;
    border-bottom: 1px solid #d0d0d0;
    font-weight: bold;
    font-size: 12px;
    color: #333;
    margin-top: 12px;
    grid-column: 1 / -1;
}

/* 空文件夹消息 */
.empty-folder-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 20px;
    color: #999;
    font-size: 14px;
}

/* 最大化状态 */
.music-manager-window.maximized {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: calc(100% - 40px) !important;
    transform: none !important;
    border-radius: 0;
    z-index: 9999;
}

.music-manager-window.maximized .window-titlebar {
    cursor: default;
}

/* 最小化状态 */
.music-manager-window.minimized {
    display: none !important;
}

/* 过渡效果 */
.music-manager-window {
    transition: all 0.3s ease;
}

/* 任务栏图标 */
#music-manager-taskbar-icon {
    display: none;
}

#music-manager-taskbar-icon.active {
    display: flex;
}

/* 通知 */
@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.music-manager-notification {
    animation: slideIn 0.3s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .music-manager-window {
        width: 90vw !important;
        height: 80vh !important;
        left: 5vw !important;
        top: 10vh !important;
    }

    .music-files-container {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 10px;
        padding: 10px;
    }

    .music-sidebar {
        width: 100px;
    }
}

@media (max-width: 600px) {
    .music-manager-window {
        width: 95vw !important;
        height: 85vh !important;
        left: 2.5vw !important;
        top: 7.5vh !important;
    }

    .music-files-container {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }

    .music-sidebar {
        display: none;
    }

    .music-manager-window .music-layout {
        flex-direction: column;
    }
}