/* 资源管理器图标 */
.explorer-icon .icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48"><path d="M5 8C3.35 8 2 9.35 2 11v26c0 1.65 1.35 3 3 3h38c1.65 0 3-1.35 3-3V15c0-1.65-1.35-3-3-3H24l-4-4H5z" fill="%23FFA000"/><path d="M43 15H24l-4-4H5c-1.65 0-3 1.35-3 3v26c0 1.65 1.35 3 3 3h38c1.65 0 3-1.35 3-3V18c0-1.65-1.35-3-3-3z" fill="%23FFCA28"/><path d="M21 29H10a1 1 0 0 1-1-1v-3a1 1 0 0 1 1-1h11a1 1 0 0 1 1 1v3a1 1 0 0 1-1 1z" fill="%23FFF"/></svg>');
}

/* 文件资源管理器窗口 */
.explorer-window {
    display: none;
    position: fixed;
    top: 50px;
    left: 50px;
    width: 800px;
    height: 500px;
    background: var(--window-bg);
    border-radius: 6px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    z-index: 100;
    flex-direction: column;
}

.explorer-window.active {
    display: flex;
}

.explorer-window.maximized {
    position: fixed !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    height: calc(100% - 40px) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    transform: none !important;
}

.explorer-window.minimized {
    display: none !important;
}

.explorer-toolbar {
    height: 40px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 10px;
    gap: 10px;
}

/* 工具栏按钮样式 */
.toolbar-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.toolbar-btn:hover {
    background: rgba(0, 120, 215, 0.1);
    border-color: var(--link-color);
}

.toolbar-btn:active {
    background: rgba(0, 120, 215, 0.2);
}

/* 地址栏样式 */
.explorer-address-bar {
    flex: 1;
    padding: 6px 10px;
    background: var(--window-bg);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    font-size: 12px;
    color: var(--text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.explorer-sidebar {
    width: 200px;
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    padding: 10px;
    overflow-y: auto;
}

.explorer-content {
    flex: 1;
    display: flex;
    background: var(--window-bg);
    padding: 10px;
    overflow-y: scroll;
    /* 始终显示 */
    scrollbar-gutter: stable;
}

/* Explorer 内容区滚动条样式 */
.explorer-content::-webkit-scrollbar {
    width: 8px;
}

.explorer-content::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

.explorer-content::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

.explorer-content::-webkit-scrollbar-thumb:hover {
    background: #666;
}

/* 文件容器样式 */
.files-container {
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    width: 100%;
    gap: 10px;
}

.files-container.grid-view {
    flex-direction: row;
}

.files-container.list-view {
    flex-direction: column;
    flex-wrap: nowrap;
}

/* 文件项样式 */
.file-item {
    padding: 8px;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    user-select: none;
    transition: all 0.15s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    min-width: 80px;
    max-width: 100px;
    text-align: center;
}

.files-container.grid-view .file-item {
    flex-direction: column;
}

.files-container.list-view .file-item {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    min-width: unset;
    max-width: unset;
    gap: 10px;
}

/* 文件项悬停效果 */
.file-item-hover,
.file-item:hover {
    background-color: rgba(0, 120, 215, 0.15);
    border-color: rgba(0, 120, 215, 0.4);
}

/* 文件图标样式 */
.file-icon {
    font-size: 32px;
    line-height: 1;
}

.files-container.list-view .file-icon {
    font-size: 24px;
    min-width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 文件名样式 */
.file-name {
    font-size: 12px;
    color: var(--text-color);
    word-break: break-word;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.files-container.list-view .file-name {
    flex: 1;
    -webkit-line-clamp: 1;
    white-space: nowrap;
}

/* 空文件夹消息 */
.empty-folder-message {
    padding: 20px;
    color: #666;
    text-align: center;
    width: 100%;
}

.loading-message,
.error-message {
    padding: 20px;
    text-align: center;
    width: 100%;
}

.error-message {
    color: #d32f2f;
}

.explorer-layout {
    display: flex;
    flex: 1;
    min-height: 0;
    /* 允许子元素内滚动 */
}

.drive-item,
.folder-item,
.file-item {
    padding: 5px 10px;
    margin-bottom: 5px;
    border-radius: 3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.drive-item:hover,
.folder-item:hover,
.file-item:hover {
    background-color: var(--item-hover);
}

.drive-icon,
.folder-icon,
.file-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
}

.drive-icon {
    color: #ffb900;
}

.folder-item {
    position: relative;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    -ms-appearance: none;
}

.folder-icon {
    width: 16px;
    height: 16px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    -ms-appearance: none;
    background-color: transparent;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23FCD462' d='M20 6h-8l-2-2H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.folder-item.expanded .folder-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23FCD462' d='M20 6h-8l-2-2H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2zm0 12H4V8h16v10z'/%3E%3C/svg%3E");
}

/* 文件资源管理器工具栏视图按钮 */
.view-toggle {
    display: flex;
    margin-left: 10px;
}

.view-button {
    background: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 3px;
    padding: 3px 6px;
    margin: 0 2px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

.view-button:hover {
    background: #e0e0e0;
}

.view-button.active {
    background: linear-gradient(to bottom, #e3efff, #cde5ff);
    border-color: #7eb4ea;
    color: #0078d7;
}

.file-list-header {
    background: #f4f4f4;
    font-weight: bold;
    border-bottom: 1px solid #ddd;
}

/* 网格视图中的文件项 */
.file-item-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 5px;
    border-radius: 3px;
    cursor: pointer;
    text-align: center;
    width: 90px;
    min-height: 80px;
    height: auto;
    margin: 3px;
    box-sizing: border-box;
}

.file-item-grid:hover {
    background-color: var(--item-hover);
    border: 1px solid var(--border-color);
}

.file-icon-large {
    width: 32px;
    height: 32px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 列表视图中的文件项 */
.file-item-list {
    display: grid;
    grid-template-columns: 40px 1fr 120px 160px 160px;
}

.file-item-list:hover {
    background-color: var(--item-hover);
}

.file-item-list .file-icon-small {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-item-list .file-name {
    flex-grow: 1;
    text-align: left;
    padding-left: 5px;
}

.file-item-list .file-date {
    margin-left: 0;
    margin-top: 0;
    min-width: 100px;
    text-align: right;
}

.file-item-list .file-size,
.file-item-list .file-created,
.file-item-list .file-modified {
    font-size: 12px;
    color: var(--text-color-secondary);
    display: flex;
    align-items: center;
}

/* 文件日期信息 */
.file-date {
    font-size: 10px;
    color: #666;
    margin-top: 2px;
}

.explorer-window .window-titlebar {
    cursor: move;
    /* 添加可拖动的鼠标指针 */
}