/* sidebar.css - 侧边栏样式 */

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--card-background);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.new-chat-btn {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 16px;
    transition: var(--transition);
}

.new-chat-btn:hover {
    background-color: var(--secondary-color);
}

.history-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
}

.history-date {
    padding: 5px 20px;
    font-size: 14px;
    color: #888;
    margin-top: 10px;
}

.history-item {
    padding: 12px 20px;
    cursor: pointer;
    border-radius: 8px;
    margin: 0 10px;
    transition: var(--transition);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 14px;
}

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

.history-item.active {
    background-color: var(--hover-color);
    border-left: 3px solid var(--primary-color);
}

/* 自定义滚动条 */
.history-list::-webkit-scrollbar {
    width: 5px;
}

.history-list::-webkit-scrollbar-track {
    background: transparent;
}

.history-list::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.history-list::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.2);
}