.asset-picker-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.asset-picker-dialog {
    background-color: #1e1e1e;
    border-radius: 8px;
    width: 700px;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    animation: slideUp 0.2s ease-out;
}

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

.asset-picker-header {
    padding: 15px 20px;
    border-bottom: 1px solid #333;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.asset-picker-header h3 {
    margin: 0;
    font-size: 16px;
    color: #cccccc;
    font-weight: 600;
}

.asset-picker-close {
    background: none;
    border: none;
    color: #cccccc;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
    transition: background-color 0.15s;
}

.asset-picker-close:hover {
    background-color: #3c3c3c;
}

/* 工具栏 */
.asset-picker-toolbar {
    padding: 10px 15px;
    border-bottom: 1px solid #333;
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: #252525;
}

.toolbar-button {
    background: none;
    border: 1px solid #444;
    color: #cccccc;
    cursor: pointer;
    padding: 6px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.15s;
}

.toolbar-button:hover:not(:disabled) {
    background-color: #3c3c3c;
    border-color: #555;
}

.toolbar-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.toolbar-button.active {
    background-color: #0e639c;
    border-color: #0e639c;
}

.view-mode-buttons {
    display: flex;
    gap: 4px;
}

/* 面包屑导航 */
.asset-picker-breadcrumb {
    flex: 1;
    font-size: 13px;
    color: #999;
    overflow-x: auto;
    white-space: nowrap;
    padding: 0 5px;
}

.asset-picker-breadcrumb::-webkit-scrollbar {
    height: 4px;
}

.asset-picker-breadcrumb::-webkit-scrollbar-thumb {
    background-color: #555;
    border-radius: 2px;
}

.asset-picker-breadcrumb .breadcrumb-item {
    cursor: pointer;
    color: #0e639c;
    transition: color 0.15s;
}

.asset-picker-breadcrumb .breadcrumb-item:hover {
    color: #1177bb;
    text-decoration: underline;
}

.asset-picker-breadcrumb .breadcrumb-separator {
    color: #666;
    margin: 0 6px;
}

/* 搜索框 */
.asset-picker-search {
    padding: 12px 15px;
    border-bottom: 1px solid #333;
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: #252525;
}

.asset-picker-search .search-icon {
    color: #666;
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    background-color: #1e1e1e;
    border: 1px solid #444;
    border-radius: 4px;
    padding: 6px 10px;
    color: #cccccc;
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
}

.search-input:focus {
    border-color: #0e639c;
}

.search-input::placeholder {
    color: #666;
}

.search-clear {
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    border-radius: 3px;
    transition: all 0.15s;
}

.search-clear:hover {
    background-color: #3c3c3c;
    color: #cccccc;
}

/* 内容区域 */
.asset-picker-content {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    min-height: 350px;
}

.asset-picker-content::-webkit-scrollbar {
    width: 10px;
}

.asset-picker-content::-webkit-scrollbar-track {
    background-color: #1e1e1e;
}

.asset-picker-content::-webkit-scrollbar-thumb {
    background-color: #555;
    border-radius: 5px;
}

.asset-picker-content::-webkit-scrollbar-thumb:hover {
    background-color: #666;
}

.asset-picker-loading,
.asset-picker-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #666;
    font-size: 14px;
}

/* 列表视图 */
.asset-picker-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.asset-picker-list.list {
    flex-direction: column;
}

.asset-picker-list.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
}

/* 资产项 */
.asset-picker-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    color: #cccccc;
    font-size: 13px;
    transition: all 0.15s;
    user-select: none;
}

.asset-picker-list.list .asset-picker-item {
    flex-direction: row;
}

.asset-picker-list.grid .asset-picker-item {
    flex-direction: column;
    padding: 15px 10px;
    text-align: center;
    align-items: center;
}

.asset-picker-item:hover {
    background-color: #2a2a2a;
}

.asset-picker-item.selected {
    background-color: #0e639c;
}

.asset-picker-item.selected:hover {
    background-color: #1177bb;
}

.asset-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.asset-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.asset-picker-list.grid .asset-info {
    align-items: center;
    width: 100%;
}

.asset-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.asset-picker-list.grid .asset-name {
    font-size: 12px;
    width: 100%;
    text-align: center;
}

.asset-meta {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: #888;
}

.asset-size,
.asset-date {
    display: inline-block;
}

/* 底部 */
.asset-picker-footer {
    padding: 12px 20px;
    border-top: 1px solid #333;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #252525;
}

.footer-info {
    font-size: 12px;
    color: #888;
}

.footer-buttons {
    display: flex;
    gap: 10px;
}

.asset-picker-cancel,
.asset-picker-select {
    padding: 8px 20px;
    border: none;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 500;
}

.asset-picker-cancel {
    background-color: #3c3c3c;
    color: #cccccc;
}

.asset-picker-cancel:hover {
    background-color: #4a4a4a;
}

.asset-picker-select {
    background-color: #0e639c;
    color: #ffffff;
}

.asset-picker-select:hover:not(:disabled) {
    background-color: #1177bb;
}

.asset-picker-select:disabled {
    background-color: #555;
    color: #888;
    cursor: not-allowed;
    opacity: 0.6;
}