:root {
    --background-color: #343541;
    --sidebar-color: #202123;
    --text-color: #ECECF1;
    --input-bg-color: #40414f;
    --user-message-bg: #343541;
    --assistant-message-bg: #444654;
    --hover-color: #2A2B32;
    --border-color: #4d4d4f;
    --secondary-text-color: #8e8ea0;
    --active-color: #10a37f;
    --primary-color: #10a37f;
    --active-bg-color: rgba(16, 163, 127, 0.1);
    --active-text-color: #ffffff;
    --vh: 1vh;
    /* Custom viewport height variable */
}

[data-theme="light"] {
    --background-color: #ffffff;
    --sidebar-color: #f9f9f9;
    --text-color: #343541;
    --input-bg-color: #f7f7f8;
    --user-message-bg: #f7f7f8;
    --assistant-message-bg: #f0f0f0;
    --hover-color: #e5e5e5;
    --border-color: #d9d9e3;
    --secondary-text-color: #6e6e80;
    --active-color: #10a37f;
    --primary-color: #10a37f;
    --active-bg-color: rgba(16, 163, 127, 0.1);
    --active-text-color: #333;
}

[data-theme="dark"] {
    --background-color: #121212;
    --sidebar-color: #1e1e1e;
    --text-color: #e0e0e0;
    --input-bg-color: #2d2d2d;
    --user-message-bg: #2d2d2d;
    --assistant-message-bg: #363636;
    --hover-color: #2a2a2a;
    --border-color: #333333;
    --secondary-text-color: #8e8ea0;
    --active-color: #10a37f;
    --primary-color: #10a37f;
    --active-bg-color: rgba(16, 163, 127, 0.1);
    --active-text-color: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    height: calc(var(--vh, 1vh) * 100);
    overflow: hidden;
}

.app-container {
    display: flex;
    height: calc(var(--vh, 1vh) * 100);
}

/* 侧边栏样式 */
.sidebar {
    display: flex;
    flex-direction: column;
    width: 260px;
    background-color: var(--sidebar-color);
    height: calc(var(--vh, 1vh) * 100);
    overflow-y: auto;
    transition: width 0.2s ease;
    position: relative;
    z-index: 10;
}

/* 侧边栏折叠状态 */
.sidebar.collapsed {
    width: 0px;
    overflow: hidden;
}

/* 侧边栏头部 */
.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 12px;
}

/* 侧边栏 logo 按钮 (带蓝点) */


.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0 ;
    right: 0;
    width: 260px;
    background-color: var(--sidebar-color);
}
.sidebar.collapsed .sidebar-footer {
    width: 0px;
    overflow: hidden;
}

/* 侧边栏操作按钮 (新建会话) */
.sidebar-action-btn {
    padding: 4px 8px;
    border-radius: 4px;
    background-color: transparent;
    color: var(--text-color);
    cursor: pointer;
    font-size: 14px;
}

.sidebar-action-btn:hover {
    background-color: var(--hover-color);
}

/* 历史记录项样式 */
.history-item {
    padding: 10px 14px;
    margin: 5px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: background-color 0.2s;
}

.sidebar.collapsed .history-item {
    justify-content: center;
    padding: 12px 0;
}

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

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

.history-item i {
    margin-right: 10px;
    font-size: 14px;
}

.sidebar.collapsed .history-item i {
    margin-right: 0;
}

.history-item span {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
}

/* 历史记录操作按钮 */
.history-actions {
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.2s;
}

.history-item:hover .history-actions {
    opacity: 1;
}

.edit-icon {
    font-size: 12px;
    color: var(--secondary-text-color);
    cursor: pointer;
}

.edit-icon:hover {
    color: var(--text-color);
}

/* 日期分割线 */
.date-divider {
    padding: 6px 14px;
    font-size: 12px;
    color: var(--secondary-text-color);
}

/* 用户信息 */
.user-info {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    gap: 8px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.user-name {
    margin-left: 8px;
    font-size: 14px;
    color: var(--text-color);
}

/* 下拉菜单样式 */
.user-dropdown {
    position: relative;
}

.dropdown-trigger {
    cursor: pointer;
    padding: 4px 8px;
    color: var(--text-color);
}

/* 下拉菜单内容 - 参考图片样式 */
.dropdown-menu {
    position: absolute;
    bottom: calc(100% + 8px);  /* 改为向上弹出 */
    right: 0;
    min-width: 140px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 4px 0;
}

.dropdown-item {
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #333;
    font-size: 14px;
    transition: all 0.2s ease;
}

.dropdown-item:not(:last-child) {
    border-bottom: 1px solid #f0f0f0;
}

.dropdown-item i {
    font-size: 16px;
    width: 20px;
    color: #666;
}

.dropdown-item:hover {
    background-color: #f5f5f5;
    color: var(--primary-color);
}

.dropdown-item:hover i {
    color: var(--primary-color);
}

/* 暗色主题适配 */
[data-theme="dark"] .dropdown-menu {
    background-color: #2d2d2d;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .dropdown-item {
    color: #e0e0e0;
    border-bottom-color: #3d3d3d;
}

[data-theme="dark"] .dropdown-item i {
    color: #999;
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: #363636;
    color: var(--primary-color);
}

/* 添加小三角箭头 */
.dropdown-menu::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: 16px;
    width: 12px;
    height: 12px;
    background-color: inherit;
    transform: rotate(45deg);
    box-shadow: inherit;
    z-index: -1;
}

/* 主聊天区域样式 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: calc(var(--vh, 1vh) * 100);
    position: relative;
    overflow: hidden;
    transition: margin-left 0.2s ease;
}

.main-content.sidebar-collapsed {
    margin-left: 0px;
}

.session-header {
    padding: 4px 16px 1px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--background-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 10;
    border-bottom: 1px solid var(--border-color);
    transition: box-shadow 0.2s ease;
}

.model-selector {
    display: flex;
    align-items: center;
}

.model-selector select {
    background-color: var(--background-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 5px;
    border-radius: 5px;
    margin-left: 10px;
}

.theme-btn {
    display: flex;
    align-items: center;
    padding: 6px 12px;
    border: none;
    color: inherit;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
}

/* 替换为Vuetify按钮样式 */
.v-btn.theme-toggle-btn {
    margin: 0 6px;
}

.v-btn.theme-toggle-btn .v-icon {
    font-size: 20px;
}

.session-messages {
    flex: 1;
    overflow-y: auto;
    background-color: var(--background-color);
    -webkit-overflow-scrolling: touch;
    /* Smooth scrolling on iOS */
    scroll-behavior: smooth;
    display: flex;
    flex-direction: column;
    height: 90vh;
    margin-bottom: 10px;
}

.message {
    display: flex;
    padding: 12px 6px 12px 12px;
    margin-bottom: 4px;
    border-radius: 20px;
    position: relative;
    line-height: 1.5;
    width: fit-content;
}

.user-message {
    margin-left: auto;
    margin-right: 0;
    margin-top: 20px;
    flex-direction: row-reverse;
    border-bottom-right-radius: 2px;
    text-align: right;
    padding-left: 16px;
    padding-right: 16px;
}


.assistant-message {
    margin-left: 0;
    margin-right: auto;
    border-bottom-left-radius: 2px;
    text-align: left;
    min-width: 100%;
}

.message-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: #5a5a5a;
    margin-right: 10px;
    margin-left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    font-size: 12px;
    color: white;
}

[data-theme="light"] .message-avatar {
    background-color: #e0e0e0;
    color: #444;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .assistant-message .message-avatar {
    background-color: var(--primary-color);
    color: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.user-message .message-avatar {
    margin-right: 0;
    margin-left: 10px;
    background-color: #0d8c6d;
    color: white;
}

[data-theme="light"] .user-message .message-avatar {
    background-color: var(--primary-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.user-avatar-icon {
    background-color: var(--primary-color);
    color: white;
}

[data-theme="light"] .user-avatar-icon {
    background-color: var(--primary-color);
}

.message-content {
    flex: 1;
    line-height: 1.8;
    font-size: 15px;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    overflow: hidden;
}

.user-message .message-content {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-message .message-content>div:first-child {
    text-align: left;
    align-self: flex-start;
}

.message-time {
    font-size: 10px;
    color: var(--secondary-text-color);
    margin-top: 4px;
    opacity: 0.8;
}

.user-message .message-time {
    color: rgba(255, 255, 255, 0.8);
    text-align: right;
}

.message-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-start;
}

.user-message .message-actions {
    justify-content: flex-end;
}



/* Markdown 样式 */
.message-content pre {
    background-color: rgba(0, 0, 0, 0.1);
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    margin: 8px 0;
}

.message-content code {
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    padding: 2px 4px;
    border-radius: 3px;
    background-color: rgba(0, 0, 0, 0.05);
}

.message-content pre code {
    padding: 0;
    background-color: transparent;
}

.message-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 10px;
    margin: 10px 0;
    color: var(--secondary-text-color);
}

.message-content ul,
.message-content ol {
    padding-left: 20px;
    margin: 8px 0;
}

.message-content p {
    line-height: 1.8;
}

.message-content h1 {
    font-size: 1.7rem;
    font-weight: 600;
    margin: 16px 0 12px 0;
}
.message-content h2 {
    font-size: 1.45rem;
    font-weight: 600;
    margin: 14px 0 10px 0;
}

.message-content h3,
.message-content h4,
.message-content h5,
.message-content h6 {
    margin: 12px 0 8px 0;
    font-weight: 600;
}

.message-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.message-content a:hover {
    text-decoration: underline;
}

/* 表格样式优化 */
.message-content table {
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
    margin: 10px 0;
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.message-content th {
    background-color: var(--hover-color);
    white-space: nowrap;
    padding: 10px 12px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1;
    text-align: left;
}

.message-content td {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    text-align: left;
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: top;
}

/* PC端特定样式 */
@media (min-width: 769px) {
    .message-content table {
        font-size: 14px;
    }

    .message-content th:first-child,
    .message-content td:first-child {
        position: sticky;
        left: 0;
        z-index: 2;
        background-color: var(--background-color);
    }

    .message-content th:first-child {
        z-index: 3;
        background-color: var(--hover-color);
    }

    .message-content td:first-child {
        border-right: 2px solid var(--border-color);
    }
}

/* 移动端表格容器样式优化 */
@media (max-width: 768px) {
    .message-content table {
        width: 100%;
        margin: 10px 0;
        font-size: 13px;
    }

    .message-content th,
    .message-content td {
        padding: 8px;
        min-width: 120px;
    }

    /* 确保在移动端表格可以横向滚动 */
    .message {
        max-width: 100%;
    }

    .message-content {
        width: 100%;
    }

    .theme-btn {
        padding: 6px 8px;
        font-size: 12px;
    }
    
    .theme-btn i {
        margin-right: 4px;
    }
    
    /* 移动端Vuetify按钮 */
    .v-btn.theme-toggle-btn {
        margin: 0 4px;
    }
    
    .v-btn.theme-toggle-btn .v-icon {
        font-size: 18px;
    }
}

/* 滚动条样式优化 */
.message-content table::-webkit-scrollbar {
    height: 8px;
}

.message-content table::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

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

.message-content table::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-text-color);
}

/* 深色主题适配 */
[data-theme="dark"] .message-content th {
    background-color: #2A2B32;
}

[data-theme="dark"] .message-content th:first-child {
    background-color: #2A2B32;
}

/* 浅色主题适配 */
[data-theme="light"] .message-content th {
    background-color: #e5e5e5;
}

[data-theme="light"] .message-content th:first-child {
    background-color: #e5e5e5;
}

.input-area {
    padding: 10px;
    padding-bottom: calc(env(safe-area-inset-bottom, 10px) + 10px);
    /* Increased padding for mobile devices */
    position: relative;
    margin-bottom: 10px;
    background-color: var(--background-color);
    border-top: 1px solid var(--border-color);
    z-index: 10;
    box-sizing: border-box;
    /* Ensure padding is included in the height calculation */
}

.xiaoxun-type-buttons {
    display: flex;
    margin-bottom: 10px;
    gap: 10px;
}

.xiaoxun-type-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg-color);
    color: var(--secondary-text-color);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.xiaoxun-type-btn:hover {
    background-color: var(--hover-color);
}

.xiaoxun-type-btn.active {
    background-color: var(--active-bg-color);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.message-input-container {
    background-color: var(--input-bg-color);
    border-color: var(--border-color);
    transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

[data-theme="light"] .message-input-container {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .message-input-container {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.message-input {
    background-color: transparent;
    border: none;
    outline: none;
    resize: none;
    width: 100%;
    color: var(--text-color);
    min-height: 24px;
    max-height: 200px;
    transition: background-color 0.3s, color 0.3s;
}

.send-btn {
    position: absolute;
    right: 20px;
    bottom: 39px;
    transform: translateY(50%);
    /* Center vertically */
    background-color: transparent;
    border: none;
    color: var(--secondary-text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.send-btn button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
    min-width: 60px;
    /* Ensure consistent width */
    height: 32px;
    /* Fixed height for consistency */
    display: flex;
    align-items: center;
    justify-content: center;
}

.send-btn button:hover {
    background-color: rgba(16, 163, 127, 0.8);
}

.send-btn button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

/* 模型选择器样式 */
.model-dropdown {
    position: relative;
    display: inline-block;
    margin-right: 10px;
}

.model-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    background-color: var(--input-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    cursor: pointer;
    padding: 6px 12px;
    font-size: 14px;
    border-radius: 6px;
    transition: background-color 0.2s, border-color 0.2s;
}

.model-dropdown-btn:hover {
    background-color: var(--hover-color);
    border-color: var(--primary-color);
}

.model-dropdown-content {
    display: none;
    position: absolute;
    bottom: 100%;
    right: 0;
    background-color: var(--sidebar-color);
    min-width: 200px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10;
    margin-bottom: 10px;
    overflow: hidden;
}

.model-dropdown-content.show {
    display: block;
}

.model-option {
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

.model-option:last-child {
    border-bottom: none;
}

.model-option:hover {
    background-color: var(--hover-color);
}

.model-option.selected {
    background-color: var(--hover-color);
}

.model-name {
    font-weight: bold;
    margin-bottom: 4px;
}

.model-description {
    font-size: 12px;
    color: var(--secondary-text-color);
}

.model-badge {
    display: inline-block;
    background-color: rgba(128, 128, 128, 0.2);
    color: var(--secondary-text-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    margin-left: 5px;
    text-transform: uppercase;
}

.input-info {
    text-align: center;
    color: var(--secondary-text-color);
    font-size: 12px;
    margin-top: 10px;
    margin-bottom: 20px;
    text-align: center;
    margin: 0;
    height: 0px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        height: 100%;
        z-index: 1000;
        transition: left 0.2s ease;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }

    .sidebar.show {
        left: 0;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    .sidebar-overlay.show {
        display: block;
    }

    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        width: 40px;
        height: 40px;
        background-color: transparent;
        border: none;
        color: var(--text-color);
        font-size: 20px;
        cursor: pointer;
        margin-right: 10px;
    }

    .session-header {
        padding-left: 0;
        padding-right: 0;
    }

    .brand-title {
        font-size: 16px;
    }

    .hot-topics {
        grid-template-columns: 1fr;
        padding: 0 10px;
    }

    .input-area {
        padding: 10px;
        padding-bottom: calc(env(safe-area-inset-bottom, 10px) + 15px);
        /* Increased padding for mobile */
        box-sizing: border-box;
    }

    .message-input {
        padding: 12px 60px 12px 12px;
        font-size: 16px;
        /* 增大字体大小，提高移动端可读性 */
        margin-bottom: 5px;
        /* Add some space below the input */
    }

    .send-btn {
        right: 20px;
        bottom: 45px;
        /* Center vertically */
        transform: translateY(calc(50% - 5px));
        /* Adjust for the textarea's margin-bottom */
    }

    .send-btn button {
        padding: 6px 10px;
        font-size: 14px;
        min-width: 50px;
        /* Smaller min-width for mobile */
        height: 30px;
        /* Slightly smaller height for mobile */
    }

    .theme-btn {
        padding: 4px 8px;
        font-size: 12px;
    }

    .theme-btn i {
        margin-right: 4px;
    }

    /* 移动端引用模态框样式调整 */
    .reference-modal {
        width: 95%;
        max-height: 70vh;
    }

    .reference-modal-header {
        padding: 12px 15px;
    }

    .reference-modal-content {
        padding: 15px;
        font-size: 14px;
    }

    /* 移动端消息操作按钮调整 */
    .message-actions {
        gap: 12px;
    }

    .action-btn {
        padding: 5px;
        font-size: 14px;
    }

    /* 移动端消息内容样式调整 */
    .message-content {
        font-size: 15px;
    }

    /* 移动端用户信息样式调整 */
    .user-info {
        padding: 8px;
    }

    .xiaoxun-type-buttons {
        justify-content: center;
    }

    .xiaoxun-type-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .chat-container {
        padding: 15px;
        padding-bottom: 25px;
        /* Add extra padding at the bottom for mobile */
    }

}

/* 添加PC端侧边栏样式 */
@media (min-width: 769px) {
    .sidebar {
        position: relative;
        left: 0;
        width: 260px;
        transition: none;
    }

    .main-content {
        width: calc(100% - 260px);
        overflow-x: hidden;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 5px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: #565869;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7c7e96;
}

/* 聊天容器样式 */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    padding-bottom: 30px;
    /* Add extra padding at the bottom */
    scroll-behavior: smooth;
}

/* 热点问题样式 */
.hot-topics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hot-topic-item {
    background-color: var(--input-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.hot-topic-item:hover {
    background-color: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.hot-topic-item p {
    color: var(--text-color);
    margin: 0;
    font-size: 14px;
    line-height: 1.4;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .hot-topics {
        grid-template-columns: 1fr;
    }
}

/* 品牌标题样式 */
.brand-title {
    display: flex;
    align-items: center;
    font-size: 18px;
    font-weight: 600;
}

.brand-icon {
    width: 30px;
    height: 30px;
    background-color: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

[data-theme="light"] .brand-icon {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* 引用图标样式 */
.reference-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    /* width: 20px; height: 20px; border-radius: 50%; */
    width: 27px; 
    height: 20px; 
    border-radius: 45%;
    background-color: rgba(16, 163, 127, 0.2);
    margin: 0 3px;
    margin-left: 5px;
    cursor: pointer;
    position: relative;
    vertical-align: middle;
    font-size: 10px;
}

.reference-icon:hover {
    background-color: rgba(16, 163, 127, 0.1);
}


/* 引用模态框样式 */
.reference-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.reference-modal {
    background-color: var(--background-color);
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.reference-modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.reference-modal-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 18px;
}

.reference-modal-close {
    background: none;
    border: none;
    color: var(--secondary-text-color);
    font-size: 18px;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.reference-modal-close:hover {
    background-color: var(--hover-color);
    color: var(--text-color);
}

.reference-modal-content {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
    color: var(--text-color);
    line-height: 1.6;
    font-size: 15px;
}

/* 引用模态框中的 Markdown 样式 */
.reference-modal-content pre {
    background-color: rgba(0, 0, 0, 0.1);
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    margin: 8px 0;
}

.reference-modal-content code {
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    padding: 2px 4px;
    border-radius: 3px;
    background-color: rgba(0, 0, 0, 0.05);
}

.reference-modal-content pre code {
    padding: 0;
    background-color: transparent;
}

.reference-modal-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 10px;
    margin: 10px 0;
    color: var(--secondary-text-color);
}

.reference-modal-content ul,
.reference-modal-content ol {
    padding-left: 20px;
    margin: 8px 0;
}

.reference-modal-content p {
    margin: 8px 0;
}

.reference-modal-content h1,
.reference-modal-content h2,
.reference-modal-content h3,
.reference-modal-content h4,
.reference-modal-content h5,
.reference-modal-content h6 {
    margin: 12px 0 8px 0;
    font-weight: 600;
}

.reference-modal-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.reference-modal-content a:hover {
    text-decoration: underline;
}
/* 引用浮层卡片样式 */
.reference-tooltip {
    position: absolute;
    z-index: 1000;
    width: 400px;
    max-height: 300px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    animation: fadeIn 0.2s ease-out;
}

.reference-tooltip-header {
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-secondary);
}

.reference-tooltip-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
}

.reference-tooltip-content {
    padding: 10px 15px;
    max-height: 250px;
    overflow-y: auto;
    font-size: 14px;
}

.reference-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--text-secondary);
}

.reference-loading i {
    margin-right: 8px;
}

.reference-tooltip-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.reference-tooltip-content a:hover {
    text-decoration: underline;
}

.reference-icon {
    color: var(--primary-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    margin: 0 3px;
    position: relative;
}

.reference-icon i {
    font-size: 14px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 深色模式适配 */
[data-theme="dark"] .reference-tooltip {
    background-color: var(--background-color);
    border-color: var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .reference-tooltip-header {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.message-avatar i {
    font-size: 14px;
}

.user-message .message-avatar i {
    color: white;
}

.assistant-message .message-avatar i {
    color: white;
}



.user-avatar i {
    font-size: 14px;
    color: var(--text-color);
}

/* 选择专家界面样式 */
.expert-selection-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--background-color);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.expert-selection-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 30px;
    color: var(--text-color);
    text-align: center;
}

.expert-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    width: 100%;
    max-width: 800px;
}

.expert-option {
    background-color: var(--input-bg-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.expert-option:hover {
    transform: translateY(-5px);
    border-color: #10a37f;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.expert-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    font-size: 24px;
}

.expert-name {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 10px;
}

.expert-description {
    font-size: 14px;
    color: var(--secondary-text-color);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .expert-options {
        grid-template-columns: 1fr;
    }
}

/* 日期分割线样式 */
.date-divider {
    padding: 8px 10px;
    font-size: 12px;
    color: var(--secondary-text-color);
    font-weight: 500;
    position: relative;
    margin-top: 10px;
    margin-bottom: 5px;
}


/* 引用模态框样式 */
.reference-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.scroll-to-bottom-btn {
    position: sticky;
    bottom: 0;
    left: 50%;
    border: none;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.scroll-to-bottom-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

.message-input-container {
    background-color: var(--input-bg-color);
    border-color: var(--border-color);
}

.sidebar-action-btn:hover {
    background-color: var(--hover-color);
}

/* 添加到浮层样式中 */
.reference-tooltip-content {
    /* 现有样式 */
    padding: 10px 15px;
    max-height: 250px;
    overflow-y: auto;
    font-size: 14px;
    /* 添加这一行以支持良好的滚动交互 */
    overscroll-behavior: contain;
}

/* @ 菜单相关样式 */
.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    background-color: var(--background-color);
}

/* 确保在黑暗主题中也能正常显示 */
.selected-tag {
    background-color: var(--background-color);
    color: var(--text-color);
}

/* 确保引用菜单不被遮挡 */
.at-menu {
    z-index: 50;
}
.agent-option.active,
.agent-option:hover {
    background-color: var(--input-bg-color);
}

.agent-dropdown {
    background-color: var(--background-color);
    border-color: var(--border-color);
}
.agent-selector-btn {
    color: var(--text-color);
    border-color: var(--border-color);
    background-color: var(--background-color);
}
.agent-selector-btn:hover {
    background-color: var(--input-bg-color);
}


.user-login-btn {
    color: var(--text-color);
    border-color: var(--border-color);
    background-color: var(--primary-color);
}

.user-login-btn:hover {
    background-color: var(--input-bg-color);
}

/* 登录按钮基础样式 */
.login-btn {
  padding: 2px 5px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  background-color: var(--active-bg-color);
  color: var(--active-text-color);
}

/* 禁用状态 */
.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

[data-theme="light"] .login-btn:disabled {
  background-color: #cccccc;
  border-color: #cccccc;
}

[data-theme="dark"] .login-btn:disabled {
  background-color: #424242;
  border-color: #424242;
}

/* Vuetify主题相关样式 */
.v-application .theme--light.v-btn.theme-toggle-btn {
    color: var(--text-color);
}

.v-application .theme--dark.v-btn.theme-toggle-btn {
    color: var(--text-color);
}

.v-application.theme--light {
    background-color: var(--background-color) !important;
    color: var(--text-color) !important;
}

.v-application.theme--dark {
    background-color: var(--background-color) !important;
    color: var(--text-color) !important;
}



/* 会话历史区域样式 */
.session-history {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    padding-bottom: 0;
    min-height: 60vh;
}

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

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

.session-history::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 10px;
}

/* 会话历史项目悬停时的交互提示 */
.session-history .history-item {
    position: relative;
    transition: all 0.2s ease;
}

.session-history .history-item:hover {
    transform: translateX(2px);
}

/* 会话历史加载状态 */
.session-history .loading-indicator {
    color: var(--secondary-text-color);
    font-size: 14px;
    padding: 10px;
    text-align: center;
}

/* 会话历史为空时的提示 */
.session-history .empty-history {
    color: var(--secondary-text-color);
    text-align: center;
    padding: 20px;
    font-size: 14px;
}

/* 标题编辑输入框样式 */
.title-edit-input {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 4px 8px;
    color: var(--text-color);
    font-size: 14px;
    width: 100%;
    outline: none;
}

.title-edit-input:focus {
    border-color: var(--active-color);
    box-shadow: 0 0 0 2px var(--active-bg-color);
}

/* 会话操作菜单样式 */
.session-action-menu {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}

.history-item .v-icon {
    font-size: 16px;
}

.history-item-actions-btn {
    transition: opacity 0.2s ease;
    color: var(--secondary-text-color) !important;
}

.history-item:hover .history-item-actions-btn {
    opacity: 1;
}

.history-item-menu .v-list-item {
    min-height: 36px;
}

.history-item-menu .v-list-item__icon {
    margin-right: 12px;
}

.v-menu__content {
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

[data-theme="dark"] .v-menu__content {
    background-color: var(--input-bg-color);
}

.history-item-menu .v-list-item__title {
    font-size: 14px;
}

.rename-action {
    color: var(--text-color) !important;
}

.delete-action {
    color: #ff5252 !important;
}

.pencil-icon, .trash-icon {
    display: inline-flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* 确保非折叠状态下也能正常显示 */
.v-list-item__icon .v-icon {
    display: inline-flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* 确保菜单显示时图标可见 */
.v-menu__content .v-list-item__icon .v-icon {
    opacity: 1 !important;
}

/* 暗色主题适配 */
[data-theme="dark"] .v-list-item__icon .v-icon {
    color: var(--text-color) !important;
}

/* ... existing styles ... */

/* 可折叠组件样式 */
.collapsible-wrapper {
    margin: 8px 0;
    border-radius: 8px;
    overflow: hidden;
}

.dark-theme .collapsible-wrapper {
    border-color: rgba(255, 255, 255, 0.1);
    background-color: rgba(255, 255, 255, 0.05);
}

.collapsible-header {
    padding: 10px 15px;
    border-radius: 8px;
    display: inline-block;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    background-color: rgba(0, 0, 0, 0.05);
}

.dark-theme .collapsible-header {
    background-color: rgba(255, 255, 255, 0.05);
}

.collapsible-header i {
    margin-right: 8px;
}

.collapsible-header .toggle-icon {
    margin-left: auto;
    transition: transform 0.3s;
}

.collapsible-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.collapsible-wrapper.active .collapsible-content {
    padding: 15px;
    max-height: 2000px;
    overflow: auto;
    border-left: 2px solid #e4e4e4;
    color: #a3a3a3;
}

/* 根据主题调整颜色 */
[data-theme="dark"] .collapsible-wrapper {
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .collapsible-header {
    background-color: rgba(255, 255, 255, 0.08);
}

 /* 右侧边栏遮罩层样式 */
 .source-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 90;
    display: none;
}

.source-sidebar-overlay.show {
    display: block;
}

/* 右侧边栏按钮样式 */
.source-sidebar-btn {
    transition: all 0.2s ease;
}

/* 主内容区域样式调整，为右侧边栏腾出空间 */
.main-content {
    transition: padding-right 0.3s ease-in-out;
}

.main-content.source-sidebar-open {
}

/* 笔记相关样式 */
.notes-section {
    margin-top: 10px;
    padding: 0 5px;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    padding: 0 5px;
}

.section-title {
    font-size: 12px;
    font-weight: 500;
    color: #666;
    margin: 0;
}

.notes-count {
    font-size: 12px;
    color: #999;
    margin-left: 5px;
}

.notes-list {
    overflow-y: auto;
}

.note-item {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    transition: background-color 0.2s;
}

.note-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.note-item i {
    margin-right: 8px;
    color: var(--primary-color);
    font-size: 14px;
}

.note-item span {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 13px;
}

.note-action-menu {
    display: none;
    position: absolute;
    right: 5px;
}

.note-item:hover .note-action-menu {
    display: block;
}

.note-item-actions-btn {
    width: 20px !important;
    height: 20px !important;
}

.empty-notes-message {
    padding: 20px;
    text-align: center;
    color: #999;
}

.empty-notes-message i {
    font-size: 24px;
    margin-bottom: 10px;
}

.empty-notes-message p {
    margin: 0;
    font-size: 13px;
}

.note-content {
    font-size: 14px;
    line-height: 1.6;
}

/* 深色主题样式调整 */
[data-theme="dark"] .note-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .section-title {
    color: #ccc;
}

[data-theme="dark"] .notes-count {
    color: #999;
}

@media (max-width: 768px) {
    .main-content.source-sidebar-open {
        padding-right: 0;
    }
}

/* 确保导航抽屉的过渡效果平滑 */
.sidebar.v-navigation-drawer {
  transition: transform 0.3s ease-in-out, width 0.3s ease-in-out !important;
}

/* 确保mini-variant状态下不显示滚动条 */
.v-navigation-drawer--mini-variant {
  overflow: hidden !important;
}

/* 移动端侧边栏覆盖样式 */
@media (max-width: 768px) {
  .sidebar.v-navigation-drawer {
    position: fixed !important;
    left: 0 !important; /* 覆盖原来的负值 */
    transform: translateX(-100%) !important; /* 使用transform代替left */
  }
  
  .sidebar.v-navigation-drawer.v-navigation-drawer--open {
    transform: translateX(0) !important;
  }
}

.sidebar .v-navigation-drawer__content {
    overflow: hidden;
}


/* 瀑布流容器 */
.masonry-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  grid-auto-flow: dense;
}

/* 媒体查询，调整不同屏幕尺寸下的列数 */
@media (max-width: 1200px) {
  .masonry-container {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .masonry-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .masonry-container {
    grid-template-columns: repeat(1, 1fr);
  }
}

/* 热门话题按钮样式 */
.hot-topic-btn {
  transition: all 0.3s ease;
  background-color: white;
  height: fit-content;
}

/* 根据内容长度动态调整项目的跨度 */
.masonry-item {
  grid-column: span 1;
}

/* 长文本的项目可能需要跨越多列 */
.masonry-item:nth-child(5n+1) {
  grid-column: span 1;
}

.masonry-item:nth-child(7n+2) {
  grid-column: span 2;
}

.masonry-item:nth-child(11n+3) {
  grid-column: span 1;
}

.hot-topic-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  z-index: 1;
}

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

.animate-fadeIn {
  opacity: 0;
  animation: fadeIn 0.5s ease-out forwards;
}

/* 深色模式样式 */
.dark .hot-topic-btn {
  background-color: var(--bg-secondary);
  color: var(--text-color);
  border-color: var(--border-color);
}

.dark .hot-topic-btn:hover {
  background-color: var(--bg-secondary);
}
  
.v-skeleton-loader__button {
    width: 100%;
}

/* 在移动设备上调整引用弹窗样式 */
@media (max-width: 768px) {
  .reference-tooltip {
    max-width: 90vw;
    max-height: 70vh;
    overflow-y: auto;
  }
  
  .reference-tooltip-content {
    max-height: calc(70vh - 50px); /* 减去头部高度 */
    font-size: 14px;
  }
}

/* ==================== 优化的头部按钮样式 ==================== */
/* 统一的头部操作按钮样式 */
.header-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    background-color: transparent;
    color: var(--text-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    min-width: 56px;
    outline: none;
}

.header-action-btn:hover {
    background-color: var(--hover-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(16, 163, 127, 0.12);
}

.header-action-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(16, 163, 127, 0.08);
}

/* 图标动画效果 */
.header-action-btn .v-icon {
    transition: all 0.3s ease;
}

.header-action-btn:hover .v-icon {
    color: var(--primary-color);
}

/* 用户菜单卡片样式 */
.user-menu-card {
    border-radius: 12px !important;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12) !important;
}

/* 用户信息头部 */
.user-info-header {
    background: linear-gradient(135deg, rgba(16, 163, 127, 0.08) 0%, rgba(16, 163, 127, 0.02) 100%);
    padding: 16px !important;
    min-height: 72px;
}

.user-info-header .v-list-item__title {
    font-size: 16px;
    margin-bottom: 4px;
}

/* 菜单项悬停效果 */
.menu-item-hover {
    transition: all 0.2s ease;
    cursor: pointer;
}

.menu-item-hover:hover {
    background-color: rgba(16, 163, 127, 0.06) !important;
}

.menu-item-hover .v-list-item__icon {
    margin-right: 12px !important;
}

/* 退出登录项特殊样式 */
.logout-item:hover {
    background-color: rgba(244, 67, 54, 0.06) !important;
}

/* 主题选择项样式优化 */
.v-list-item-group .v-list-item {
    padding-left: 16px !important;
    padding-right: 16px !important;
}

/* 子标题样式 */
.v-subheader {
    color: var(--secondary-text-color) !important;
    font-size: 11px !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    height: 32px !important;
}

/* Badge 样式优化 */
.v-badge__badge {
    border: 2px solid var(--background-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .header-action-btn {
        min-width: 48px;
        padding: 6px 10px;
    }
    
    .user-menu-card {
        max-width: calc(100vw - 32px) !important;
    }
}