/**
 * AI 智能问答页面样式
 *
 * @package    Hui
 * @subpackage AI_Tools
 * @since      1.5.0
 */

/* ============================================================================
   页面全局设置 - 隐藏 footer，禁止滚动
   ============================================================================ */

body.hui-ai-tools-body {
    overflow: hidden !important;
    height: 100vh !important;
}

body.hui-ai-tools-body #colophon,
body.hui-ai-tools-body .xun-footer,
body.hui-ai-tools-body footer.site-footer {
    display: none !important;
}

body.hui-ai-tools-body .hui-mobile-tabbar,
body.hui-ai-tools-body .hui-mobile-tabbar-overlay,
body.hui-ai-tools-body .hui-mobile-tabbar-menu {
    display: none !important;
}

body.hui-ai-tools-body {
    padding-bottom: 0 !important;
}

body.hui-ai-tools-body #content,
body.hui-ai-tools-body .site-content,
body.hui-ai-tools-body main.site-main,
body.hui-ai-tools-body #main {
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
}

/* ============================================================================
   页面容器
   ============================================================================ */

.hui-ai-tools-page {
    display: flex;
    height: calc(100vh - 64px);
    background: var(--color-bg-layout, #f5f5f5);
    overflow: hidden;
}

/* ============================================================================
   最左侧图标导航
   ============================================================================ */

.hui-ai-tools-nav {
    display: flex;
    flex-direction: column;
    width: 72px;
    background: var(--color-bg-container, #fff);
    border-right: 1px solid var(--color-border-secondary, #f0f0f0);
    flex-shrink: 0;
}

.hui-ai-tools-nav-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 0;
    gap: 4px;
}

.hui-ai-tools-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 56px;
    padding: 10px 0;
    color: var(--color-text-tertiary, #999);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-nav-item:hover {
    color: var(--color-text-secondary, #666);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

.hui-ai-tools-nav-item.is-active {
    color: var(--xun-secondary, var(--color-primary)) !important;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%) !important;
}

.hui-ai-tools-nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.hui-ai-tools-nav-text {
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
}

/* ============================================================================
   左侧边栏
   ============================================================================ */

.hui-ai-tools-sidebar {
    width: 260px;
    background: var(--color-bg-container, #fff);
    border-right: 1px solid var(--color-border-secondary, #f0f0f0);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.hui-ai-tools-sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    border-bottom: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-tools-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border-radius: 12px;
    color: var(--xun-secondary, var(--color-primary));
}

.hui-ai-tools-logo-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text, #333);
}

/* 对话历史 */
.hui-ai-tools-history {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.hui-ai-tools-history-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    margin-bottom: 4px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-history-item:hover {
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

.hui-ai-tools-history-item.is-active {
    background: var(--color-fill-tertiary, rgba(0, 0, 0, 0.04));
}

.hui-ai-tools-history-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border-radius: 8px;
    color: var(--color-text-tertiary, #999);
    flex-shrink: 0;
}

.hui-ai-tools-history-text {
    flex: 1;
    font-size: 14px;
    color: var(--color-text, #333);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hui-ai-tools-history-time {
    font-size: 12px;
    color: var(--color-text-quaternary, #ccc);
}

.hui-ai-tools-history-empty {
    padding: 40px 20px;
    text-align: center;
    font-size: 14px;
    color: var(--color-text-tertiary, #999);
}

.hui-ai-tools-history-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--color-text-tertiary, #999);
    flex-shrink: 0;
}

.hui-ai-tools-history-item-icon svg {
    width: 16px;
    height: 16px;
}

.hui-ai-tools-history-item-title {
    flex: 1;
    font-size: 14px;
    color: var(--color-text, #333);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hui-ai-tools-history-item-delete,
.hui-ai-tools-history-item-more {
    display: none;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--color-text-tertiary, #999);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    flex-shrink: 0;
}

.hui-ai-tools-history-item-delete svg,
.hui-ai-tools-history-item-more svg {
    width: 14px;
    height: 14px;
}

.hui-ai-tools-history-item:hover .hui-ai-tools-history-item-delete,
.hui-ai-tools-history-item:hover .hui-ai-tools-history-item-more {
    display: flex;
}

.hui-ai-tools-history-item-delete:hover {
    color: var(--color-error, #ef4444);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

.hui-ai-tools-history-item-more:hover {
    color: var(--color-text-secondary, #666);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

/* 置顶标识 */
.hui-ai-tools-history-item.is-pinned .hui-ai-tools-history-item-icon {
    color: var(--xun-secondary, var(--color-secondary));
}

.hui-ai-tools-pin-icon {
    width: 14px;
    height: 14px;
}

/* 右键菜单 */
.hui-ai-tools-context-menu {
    position: fixed;
    z-index: 9999;
    min-width: 140px;
    padding: 4px;
    background: var(--color-bg-container, #fff);
    border: 1px solid var(--color-border-secondary, #eee);
    border-radius: var(--xun-radius, 8px);
    box-shadow: var(--shadow-dropdown, 0 4px 12px rgba(0,0,0,0.12));
    animation: huiCtxFadeIn 0.12s ease-out;
}

@keyframes huiCtxFadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.hui-ai-tools-context-menu button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--color-text, #333);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s ease;
    white-space: nowrap;
}

.hui-ai-tools-context-menu button:hover {
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.04));
}

.hui-ai-tools-context-menu button.is-danger {
    color: var(--color-error, #ef4444);
}

.hui-ai-tools-context-menu button.is-danger:hover {
    background: rgba(239, 68, 68, 0.08);
}

.hui-ai-tools-context-menu button svg {
    flex-shrink: 0;
    color: var(--color-text-tertiary, #999);
}

.hui-ai-tools-context-menu button.is-danger svg {
    color: var(--color-error, #ef4444);
}

.hui-ai-tools-context-menu-divider {
    height: 1px;
    margin: 4px 8px;
    background: var(--color-border-secondary, #eee);
}

/* 多选模式 */
.hui-ai-tools-multiselect-toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 4px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--color-border-secondary, #eee);
}

.hui-ai-tools-multiselect-btn {
    padding: 5px 10px;
    font-size: 12px;
    color: var(--color-text-secondary, #666);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border-secondary, #eee);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.hui-ai-tools-multiselect-btn:hover {
    background: var(--color-fill-tertiary, rgba(0, 0, 0, 0.04));
}

.hui-ai-tools-multiselect-btn.is-danger {
    color: var(--color-error, #ef4444);
    border-color: rgba(239, 68, 68, 0.2);
}

.hui-ai-tools-multiselect-btn.is-danger:hover {
    background: rgba(239, 68, 68, 0.08);
}

.hui-ai-tools-multiselect-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* 多选复选框 */
.hui-ai-tools-history-checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    cursor: pointer;
}

.hui-ai-tools-history-checkbox input {
    display: none;
}

.hui-ai-tools-history-checkbox-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border, #ddd);
    border-radius: 4px;
    transition: all 0.15s ease;
}

.hui-ai-tools-history-checkbox input:checked + .hui-ai-tools-history-checkbox-icon {
    background: var(--xun-secondary, var(--color-secondary));
    border-color: var(--xun-secondary, var(--color-secondary));
}

.hui-ai-tools-history-checkbox input:checked + .hui-ai-tools-history-checkbox-icon::after {
    content: '';
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translateY(-1px);
}

.hui-ai-tools-history-item.is-selected {
    background: var(--color-fill-tertiary, rgba(0, 0, 0, 0.04));
}

/* 新建对话按钮 */
.hui-ai-tools-new-chat {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 12px;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-bg-container, #fff);
    background: var(--xun-secondary, var(--color-primary));
    border: none;
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-new-chat:hover {
    background: var(--xun-secondary-hover, var(--color-primary-hover));
    box-shadow: 0 4px 12px oklch(from var(--xun-secondary, var(--color-primary)) l c h / 0.3);
}

/* 用户信息 - AI 科技风格 */
.hui-ai-tools-user {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    margin: 12px;
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.08) 0%, 
        rgba(139, 92, 246, 0.08) 50%,
        rgba(16, 185, 129, 0.08) 100%
    );
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.hui-ai-tools-user::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #10b981);
    opacity: 0.8;
}

.hui-ai-tools-user-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.hui-ai-tools-user-avatar {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    overflow: visible;
    flex-shrink: 0;
}

.hui-ai-tools-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

/* 确保认证图标不被遮挡 */
.hui-ai-tools-user-avatar .xun-badge,
.hui-ai-tools-user-avatar .hui-verification-badge {
    position: absolute;
    right: -4px;
    bottom: -4px;
    z-index: 10;
}

.hui-ai-tools-user-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1;
}

.hui-ai-tools-user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text, #333);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hui-ai-tools-user-role {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
    color: #3b82f6;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
    padding: 2px 8px;
    border-radius: 20px;
    width: fit-content;
}

/* 用户点数显示 - 双点数布局 */
.hui-ai-tools-user-points {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 12px;
    background: var(--color-bg-container, #fff);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.08);
}

.hui-ai-tools-points-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hui-ai-tools-points-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.hui-ai-tools-points-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-tertiary, #999);
    white-space: nowrap;
    display: flex;
    align-items: center;
}

.hui-ai-tools-points-item:first-child .hui-ai-tools-points-label::before {
    content: '🎁';
    margin-right: 4px;
}

.hui-ai-tools-points-item:last-child .hui-ai-tools-points-label::before {
    content: '💰';
    margin-right: 4px;
}

.hui-ai-tools-points-value {
    font-size: 14px;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

/* 充值按钮 - 内嵌在点数区域 */
.hui-ai-tools-user-points .hui-ai-recharge-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 100%;
    height: 32px;
    padding: 0 12px;
    font-size: 12px;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-user-points .hui-ai-recharge-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.hui-ai-tools-user-points .hui-ai-recharge-btn svg {
    width: 14px;
    height: 14px;
}

.hui-ai-tools-user-points .hui-ai-recharge-btn span {
    display: inline;
}

/* 游客登录提示 - AI 科技风格 */
.hui-ai-tools-guest-info {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hui-ai-tools-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth, ease);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

.hui-ai-tools-login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.hui-ai-tools-login-btn:hover::before {
    left: 100%;
}

.hui-ai-tools-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.hui-ai-tools-login-hint {
    margin: 0;
    font-size: 12px;
    color: var(--color-text-tertiary, #999);
    text-align: center;
    padding: 8px 12px;
    background: rgba(59, 130, 246, 0.05);
    border-radius: 8px;
}

/* 清空历史按钮 */
.hui-ai-tools-clear-history {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px;
    font-size: 13px;
    color: var(--color-text-tertiary, #999);
    background: transparent;
    border: none;
    border-top: 1px solid var(--color-border-secondary, #f0f0f0);
    cursor: pointer;
    transition: color 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-clear-history:hover {
    color: var(--color-error, #ef4444);
}

/* ============================================================================
   主内容区域
   ============================================================================ */

.hui-ai-tools-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
}

/* 顶部导航 */
.hui-ai-tools-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 24px;
    background: var(--color-bg-container, #fff);
    border-bottom: 1px solid var(--color-border-secondary, #f0f0f0);
    flex-shrink: 0;
}

.hui-ai-tools-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-secondary, #666);
    background: transparent;
    border: none;
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
}

.hui-ai-tools-menu-toggle:hover {
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

/* 头部标题 */
.hui-ai-tools-header-title {
    flex: 1;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text, #333);
}

/* 头部新建对话按钮 */
.hui-ai-tools-new-topic-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-secondary, #666);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-new-topic-btn:hover {
    color: var(--xun-secondary, var(--color-primary));
    border-color: var(--xun-secondary, var(--color-primary));
    background: var(--color-bg-container, #fff);
}

/* 模型选择 */
.hui-ai-tools-model-select {
    position: relative;
}

.hui-ai-tools-model-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text, #333);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-model-btn:hover {
    border-color: var(--color-border, #e5e5e5);
}

.hui-ai-tools-model-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 16px;
    flex-shrink: 0;
}

.hui-ai-tools-model-icon img {
    width: 20px;
    height: 20px;
    object-fit: contain;
    border-radius: 4px;
}

.hui-ai-tools-model-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    margin-top: 8px;
    padding: 8px;
    background: var(--color-bg-container, #fff);
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: 14px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s var(--ease-smooth, ease);
    z-index: 100;
}

.hui-ai-tools-model-select.is-open .hui-ai-tools-model-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.hui-ai-tools-model-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px 14px;
    font-size: 14px;
    color: var(--color-text, #333);
    background: transparent;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s var(--ease-smooth, ease);
}

.hui-ai-tools-model-option:hover {
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

.hui-ai-tools-model-option.is-active {
    background: var(--color-fill-tertiary, rgba(0, 0, 0, 0.04));
    color: var(--xun-secondary, var(--color-primary));
}

.hui-ai-tools-model-option-icon {
    font-size: 18px;
}

.hui-ai-tools-model-option-name {
    flex: 1;
}

.hui-ai-tools-model-option-points {
    font-size: 12px;
    color: var(--color-text-tertiary, #999);
    padding: 2px 8px;
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border-radius: 4px;
}

.hui-ai-tools-model-option.is-active .hui-ai-tools-model-option-points {
    background: rgba(59, 130, 246, 0.1);
    color: var(--xun-secondary, var(--color-primary));
}

/* ============================================================================
   内容区域
   ============================================================================ */

.hui-ai-tools-content {
    flex: 1;
    overflow-y: auto;
    padding: 40px 24px 140px;
}

/* 欢迎区域 */
.hui-ai-tools-welcome {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.hui-ai-tools-welcome-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
}

.hui-ai-tools-welcome-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
    background: transparent;
    border-radius: 20px;
    color: var(--xun-secondary, var(--color-primary));
}

.hui-ai-tools-welcome-title {
    margin: 0 0 12px;
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text, #333);
}

.hui-ai-tools-welcome-desc {
    margin: 0;
    font-size: 15px;
    color: var(--color-text-tertiary, #999);
}

/* ============================================================================
   消息区域
   ============================================================================ */

.hui-ai-tools-messages {
    display: none;
    flex-direction: column;
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: 20px;
}

.hui-ai-tools-messages.has-messages {
    display: flex;
}

.hui-ai-tools-content.has-messages .hui-ai-tools-welcome {
    display: none;
}

/* 消息项 */
.hui-ai-tools-message {
    display: flex;
    gap: 12px;
}

.hui-ai-tools-message.is-user {
    flex-direction: row-reverse;
}

.hui-ai-tools-message-avatar {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hui-ai-tools-message.is-assistant .hui-ai-tools-message-avatar {
    background: var(--color-fill-secondary, rgba(0, 0, 0, 0.06));
    color: var(--color-text-secondary, #666);
}

.hui-ai-tools-message.is-user .hui-ai-tools-message-avatar {
    background: var(--color-fill-secondary, rgba(0, 0, 0, 0.06));
}

.hui-ai-tools-message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hui-ai-tools-avatar-icon {
    width: 20px;
    height: 20px;
}

.hui-ai-tools-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.hui-ai-tools-avatar-emoji {
    font-size: 18px;
    line-height: 1;
}

/* 消息头部（时间戳和模型名称） */
.hui-ai-tools-message-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.hui-ai-tools-message.is-user .hui-ai-tools-message-header {
    justify-content: flex-end;
}

.hui-ai-tools-message-time {
    font-size: 12px;
    color: var(--color-text-quaternary, #bbb);
}

.hui-ai-tools-message-model {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-tertiary, #999);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: 4px;
}

/* 消息内容 */
.hui-ai-tools-message-content {
    min-width: 0;
    padding: 16px 20px;
    border-radius: 16px;
    font-size: 15px;
    line-height: 1.8;
}

.hui-ai-tools-message.is-assistant .hui-ai-tools-message-content {
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    color: var(--color-text, #333);
    border-radius: 4px 16px 16px 16px;
}

.hui-ai-tools-message.is-user .hui-ai-tools-message-content {
    background: var(--xun-secondary, var(--color-primary));
    color: #fff;
    border-radius: 16px 4px 16px 16px;
    max-width: 80%;
}

/* 消息主体（包含内容和操作按钮） */
.hui-ai-tools-message-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.hui-ai-tools-message.is-user .hui-ai-tools-message-body {
    align-items: flex-end;
}

.hui-ai-tools-message-body .hui-ai-tools-message-content {
    flex: none;
}

/* 消息操作按钮 */
.hui-ai-tools-message-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 10px;
    padding-top: 4px;
    opacity: 0;
    transition: opacity 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-message:hover .hui-ai-tools-message-actions {
    opacity: 1;
}

/* 用户消息操作按钮靠右 */
.hui-ai-tools-message.is-user .hui-ai-tools-message-actions {
    justify-content: flex-end;
}

/* 操作按钮分组 */
.hui-ai-tools-actions-left {
    display: flex;
    align-items: center;
    gap: 2px;
}

.hui-ai-tools-actions-right {
    display: flex;
    align-items: center;
    gap: 2px;
}

.hui-ai-tools-action-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    color: var(--color-text-tertiary, #999);
    background: transparent;
    border: none;
    border-radius: var(--xun-radius-sm, 6px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-action-btn:hover {
    color: var(--xun-secondary, var(--color-primary));
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

.hui-ai-tools-action-btn.is-active {
    color: var(--xun-secondary, var(--color-primary));
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.hui-ai-tools-action-btn.is-success {
    color: var(--color-success, #10b981);
}

/* 点踩按钮激活状态 */
.hui-ai-tools-action-btn[data-action="dislike"].is-active {
    color: var(--color-error, #ef4444);
    background: rgba(239, 68, 68, 0.1);
}

/* 新功能按钮样式 */
.hui-ai-tools-action-btn--new {
    color: var(--xun-secondary, var(--color-primary));
}

.hui-ai-tools-action-badge {
    position: absolute;
    top: -6px;
    right: -8px;
    padding: 2px 4px;
    font-size: 9px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border-radius: 4px;
    white-space: nowrap;
    pointer-events: none;
}

/* 思考中动画 */
.hui-ai-tools-thinking {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
}

.hui-ai-tools-thinking-label {
    font-size: 14px;
    color: var(--color-text-tertiary, #999);
}

.hui-ai-tools-thinking-dot {
    width: 6px;
    height: 6px;
    background: var(--color-text-quaternary, #ccc);
    border-radius: 50%;
    animation: hui-ai-tools-thinking 1.4s infinite ease-in-out both;
}

.hui-ai-tools-thinking-dot:nth-child(2) { animation-delay: -0.32s; }
.hui-ai-tools-thinking-dot:nth-child(3) { animation-delay: -0.16s; }
.hui-ai-tools-thinking-dot:nth-child(4) { animation-delay: 0s; }

@keyframes hui-ai-tools-thinking {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.4;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}


/* ============================================================================
   底部输入区域 - 悬浮卡片样式
   ============================================================================ */

.hui-ai-tools-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 24px 24px;
    background: linear-gradient(to top, var(--color-bg-layout, #f5f5f5) 60%, transparent);
    pointer-events: none;
}

.hui-ai-tools-input-container {
    max-width: 900px;
    margin: 0 auto;
    pointer-events: auto;
}

/* 输入卡片 */
.hui-ai-tools-input-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px 16px;
    background: var(--color-bg-container, #fff);
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: var(--xun-radius-lg, 16px);
    box-shadow: var(--shadow-card, 0 2px 8px rgba(0, 0, 0, 0.08)), 0 8px 32px rgba(0, 0, 0, 0.06);
}

/* 输入区域 */
.hui-ai-tools-input-main {
    flex: 1;
    min-width: 0;
}

/* 输入框 */
.hui-ai-tools-input {
    width: 100%;
    min-height: 24px;
    max-height: 120px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--color-text, #333);
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    line-height: 1.5;
}

.hui-ai-tools-input::placeholder {
    color: var(--color-text-quaternary, #ccc);
}

/* 图片预览 */
.hui-ai-tools-image-preview {
    position: relative;
    display: none;
    margin: 8px 0;
}

.hui-ai-tools-image-preview.is-visible {
    display: inline-block;
}

.hui-ai-tools-image-preview img {
    max-width: 80px;
    max-height: 80px;
    border-radius: var(--xun-radius, 8px);
    object-fit: cover;
}

.hui-ai-tools-image-remove {
    position: absolute;
    top: -6px;
    right: -6px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--color-error, #ef4444);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

/* 底部工具栏 */
.hui-ai-tools-input-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--color-border-secondary, #f0f0f0);
}

/* 工具栏左侧 */
.hui-ai-tools-toolbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* 工具栏右侧 */
.hui-ai-tools-toolbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

/* 模型选择按钮 */
.hui-ai-tools-model-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--color-text-secondary, #666);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-model-btn:hover {
    border-color: var(--xun-secondary, var(--color-primary));
    color: var(--xun-secondary, var(--color-primary));
}

.hui-ai-tools-model-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    font-size: 14px;
    flex-shrink: 0;
}

.hui-ai-tools-model-icon img {
    width: 18px;
    height: 18px;
    object-fit: contain;
    border-radius: 4px;
}

.hui-ai-tools-model-name {
    font-weight: 500;
}

/* 工具栏按钮 */
.hui-ai-tools-toolbar-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 12px;
    color: var(--color-text-secondary, #666);
    background: transparent;
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-toolbar-btn:hover {
    border-color: var(--xun-secondary, var(--color-primary));
    color: var(--xun-secondary, var(--color-primary));
}

.hui-ai-tools-toolbar-btn.is-active {
    background: var(--xun-secondary, var(--color-primary));
    border-color: var(--xun-secondary, var(--color-primary));
    color: #fff;
}

/* 图标按钮 */
.hui-ai-tools-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-tertiary, #999);
    background: transparent;
    border: none;
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-icon-btn:hover {
    color: var(--xun-secondary, var(--color-primary));
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

/* 灵感按钮 */
.hui-ai-tools-feature-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-feature-btn:hover:not(:disabled) {
    opacity: 0.9;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.hui-ai-tools-feature-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.hui-ai-tools-feature-btn.is-loading {
    pointer-events: none;
}

.hui-ai-tools-feature-btn.is-loading span {
    opacity: 0;
}

.hui-ai-tools-feature-btn.is-loading::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: hui-ai-tools-spin 0.8s linear infinite;
}

@keyframes hui-ai-tools-spin {
    to { transform: rotate(360deg); }
}

/* 发送按钮 */
.hui-ai-tools-send-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: #fff;
    background: var(--xun-secondary, var(--color-primary));
    border: none;
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-send-btn:hover:not(:disabled) {
    opacity: 0.9;
    box-shadow: 0 4px 12px oklch(from var(--xun-secondary, var(--color-primary)) l c h / 0.3);
}

.hui-ai-tools-send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============================================================================
   Markdown 内容样式
   ============================================================================ */

/* 行内代码 */
.hui-ai-tools-inline-code {
    padding: 3px 6px;
    font-size: 13px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', monospace;
    background: rgba(175, 184, 193, 0.2);
    border-radius: 6px;
    color: #1f2328;
}

.hui-ai-tools-message.is-user .hui-ai-tools-inline-code {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* 代码块容器 */
.hui-ai-tools-code-block {
    position: relative;
    margin: 16px 0;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
}

/* 代码块头部 - 紧凑风格 */
.hui-ai-tools-code-header {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
    z-index: 10;
}

.hui-ai-tools-code-lang {
    font-size: 12px;
    font-weight: 500;
    color: #6b7280;
    text-transform: lowercase;
}

.hui-ai-tools-code-actions {
    display: flex;
    align-items: center;
    gap: 2px;
}

.hui-ai-tools-code-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 3px;
    padding: 3px 6px;
    font-size: 12px;
    color: #6b7280;
    background: transparent;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.hui-ai-tools-code-btn:hover {
    color: #374151;
    background: rgba(0, 0, 0, 0.04);
}

.hui-ai-tools-code-btn.is-success {
    color: var(--color-success, #10b981);
}

.hui-ai-tools-code-btn--run {
    color: #3b82f6;
}

.hui-ai-tools-code-btn--run:hover {
    color: #2563eb;
    background: rgba(59, 130, 246, 0.08);
}

.hui-ai-tools-code-btn svg {
    flex-shrink: 0;
    width: 12px !important;
    height: 12px !important;
    display: inline-block !important;
    vertical-align: middle;
}

.hui-ai-tools-code-btn span {
    font-weight: 400;
    vertical-align: middle;
}

/* 代码操作分隔符 */
.hui-ai-tools-code-divider {
    color: #d1d5db;
    font-size: 12px;
    margin: 0 4px;
    user-select: none;
}

/* 代码内容区域 */
.hui-ai-tools-code-pre {
    margin: 0;
    padding: 12px 14px;
    max-height: 500px;
    overflow: auto;
    background: #ffffff;
}

.hui-ai-tools-code {
    display: block;
    font-size: 14px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', monospace;
    line-height: 1.6;
    color: #1f2937 !important;
    background: transparent;
    padding: 0;
    white-space: pre;
    word-wrap: normal;
    tab-size: 4;
    text-shadow: none !important;
}

/* 代码高亮颜色 - 深色清晰版 */
.hljs-comment {
    color: #6b7280 !important;
    font-style: italic;
}

.hljs-keyword {
    color: #dc2626 !important;
    font-weight: 600;
}

.hljs-string {
    color: #059669 !important;
}

.hljs-number {
    color: #0550ae !important;
}

.hljs-function {
    color: #8250df !important;
}

.hljs-tag {
    color: #1a7f37 !important;
    font-weight: 500;
}

.hljs-attr {
    color: #953800 !important;
}

.hljs-value {
    color: #0a3069 !important;
}

.hljs-selector {
    color: #6639ba !important;
    font-weight: 600;
}

.hljs-variable {
    color: #953800 !important;
}

.hljs-meta {
    color: #6e7781 !important;
}

.hui-ai-tools-message-content a {
    color: var(--xun-secondary, var(--color-primary));
    text-decoration: underline;
}

.hui-ai-tools-message.is-user .hui-ai-tools-message-content a {
    color: #fff;
}

/* 深色模式行内代码 */
@media (prefers-color-scheme: dark) {
    :root:not(.light) .hui-ai-tools-inline-code {
        background: rgba(110, 118, 129, 0.4);
        color: #c9d1d9;
    }
}

.dark .hui-ai-tools-inline-code {
    background: rgba(110, 118, 129, 0.4);
    color: #c9d1d9;
}

/* 深色模式代码块 */
@media (prefers-color-scheme: dark) {
    :root:not(.light) .hui-ai-tools-code-block {
        background: #1f2937;
        border-color: #374151;
    }

    :root:not(.light) .hui-ai-tools-code-header {
        background: #111827;
        border-color: #374151;
    }

    :root:not(.light) .hui-ai-tools-code-lang {
        color: #9ca3af;
    }

    :root:not(.light) .hui-ai-tools-code-btn {
        color: #9ca3af;
    }

    :root:not(.light) .hui-ai-tools-code-btn:hover {
        color: #e5e7eb;
        background: rgba(255, 255, 255, 0.1);
    }

    :root:not(.light) .hui-ai-tools-code-btn--run {
        color: #60a5fa;
    }

    :root:not(.light) .hui-ai-tools-code-btn--run:hover {
        color: #93c5fd;
        background: rgba(96, 165, 250, 0.15);
    }

    :root:not(.light) .hui-ai-tools-code-pre {
        background: #1f2937;
    }

    :root:not(.light) .hui-ai-tools-code {
        color: #e5e7eb !important;
    }

    :root:not(.light) .hljs-comment { color: #6b7280 !important; }
    :root:not(.light) .hljs-keyword { color: #f87171 !important; }
    :root:not(.light) .hljs-string { color: #34d399 !important; }
    :root:not(.light) .hljs-number { color: #60a5fa !important; }
    :root:not(.light) .hljs-function { color: #c4b5fd !important; }
    :root:not(.light) .hljs-tag { color: #34d399 !important; }
    :root:not(.light) .hljs-attr { color: #fbbf24 !important; }
    :root:not(.light) .hljs-value { color: #34d399 !important; }
    :root:not(.light) .hljs-selector { color: #c4b5fd !important; }
    :root:not(.light) .hljs-variable { color: #fbbf24 !important; }
    :root:not(.light) .hljs-meta { color: #9ca3af !important; }

    :root:not(.light) .hui-ai-tools-code-divider {
        color: #4b5563;
    }
}

.dark .hui-ai-tools-code-block {
    background: #1f2937;
    border-color: #374151;
}

.dark .hui-ai-tools-code-header {
    background: #111827;
    border-color: #374151;
}

.dark .hui-ai-tools-code-lang {
    color: #9ca3af;
}

.dark .hui-ai-tools-code-btn {
    color: #9ca3af;
}

.dark .hui-ai-tools-code-btn:hover {
    color: #e5e7eb;
    background: rgba(255, 255, 255, 0.1);
}

.dark .hui-ai-tools-code-btn--run {
    color: #60a5fa;
}

.dark .hui-ai-tools-code-btn--run:hover {
    color: #93c5fd;
    background: rgba(96, 165, 250, 0.15);
}

.dark .hui-ai-tools-code-pre {
    background: #1f2937;
}

.dark .hui-ai-tools-code {
    color: #e5e7eb !important;
}

.dark .hljs-comment { color: #6b7280 !important; }
.dark .hljs-keyword { color: #f87171 !important; }
.dark .hljs-string { color: #34d399 !important; }
.dark .hljs-number { color: #60a5fa !important; }
.dark .hljs-function { color: #c4b5fd !important; }
.dark .hljs-tag { color: #34d399 !important; }
.dark .hljs-attr { color: #fbbf24 !important; }
.dark .hljs-value { color: #34d399 !important; }
.dark .hljs-selector { color: #c4b5fd !important; }
.dark .hljs-variable { color: #fbbf24 !important; }
.dark .hljs-meta { color: #9ca3af !important; }

.dark .hui-ai-tools-code-divider {
    color: #4b5563;
}

.hui-ai-tools-message-content a {
    color: var(--xun-secondary, var(--color-primary));
    text-decoration: underline;
}

.hui-ai-tools-message.is-user .hui-ai-tools-message-content a {
    color: #fff;
}

/* 消息中的图片 */
.hui-ai-tools-message-image {
    margin-bottom: 12px;
}

.hui-ai-tools-message-image img {
    max-width: 200px;
    max-height: 200px;
    border-radius: 12px;
    object-fit: cover;
}

/* ============================================================================
   深色模式
   ============================================================================ */

@media (prefers-color-scheme: dark) {
    :root:not(.light) .hui-ai-tools-preset-card {
        box-shadow: none;
    }
    
    :root:not(.light) .hui-ai-tools-model-dropdown {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
}

.dark .hui-ai-tools-preset-card {
    box-shadow: none;
}

.dark .hui-ai-tools-model-dropdown {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ============================================================================
   移动端响应式
   ============================================================================ */

@media (max-width: 1024px) {
    .hui-ai-tools-welcome {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .hui-ai-tools-page {
        flex-direction: column;
    }

    .hui-ai-tools-nav {
        display: none;
    }

    .hui-ai-tools-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 280px;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s var(--ease-smooth, ease);
    }

    .hui-ai-tools-sidebar.is-open {
        transform: translateX(0);
    }

    .hui-ai-tools-menu-toggle {
        display: flex;
    }

    .hui-ai-tools-welcome {
        min-height: 250px;
    }

    .hui-ai-tools-welcome-icon {
        width: 64px;
        height: 64px;
    }

    .hui-ai-tools-welcome-icon svg {
        width: 36px;
        height: 36px;
    }

    .hui-ai-tools-welcome-title {
        font-size: 20px;
    }

    .hui-ai-tools-welcome-desc {
        font-size: 14px;
    }

    .hui-ai-tools-content {
        padding: 24px 16px 160px;
    }

    .hui-ai-tools-footer {
        padding: 12px 16px 16px;
    }

    .hui-ai-tools-input-card {
        padding: 10px 12px;
    }

    .hui-ai-tools-input-toolbar {
        flex-wrap: nowrap;
        gap: 4px;
    }

    .hui-ai-tools-toolbar-left {
        gap: 4px;
        flex-wrap: nowrap;
        flex: 1;
        min-width: 0;
        overflow-x: auto;
    }

    .hui-ai-tools-toolbar-right {
        gap: 4px;
    }

    .hui-ai-tools-toolbar-actions {
        order: 2;
        width: 100%;
    }

    /* 移动端模型选择按钮紧凑 */
    .hui-ai-tools-model-btn {
        padding: 5px 8px;
        font-size: 12px;
        gap: 4px;
        border-radius: var(--xun-radius, 8px);
        flex-shrink: 0;
    }

    .hui-ai-tools-model-btn svg {
        width: 12px;
        height: 12px;
    }

    .hui-ai-tools-model-icon {
        width: 16px;
        height: 16px;
        font-size: 12px;
    }

    .hui-ai-tools-model-icon img {
        width: 16px;
        height: 16px;
    }

    /* 移动端工具栏按钮统一为图标按钮 */
    .hui-ai-tools-toolbar-btn {
        padding: 0;
        width: 32px;
        height: 32px;
        justify-content: center;
        border-radius: var(--xun-radius, 8px);
        flex-shrink: 0;
    }

    .hui-ai-tools-toolbar-btn span {
        display: none;
    }

    .hui-ai-tools-toolbar-btn svg {
        width: 16px;
        height: 16px;
    }

    .hui-ai-tools-input-actions-right {
        flex-wrap: nowrap;
        gap: 4px;
    }

    /* 图标按钮统一尺寸 */
    .hui-ai-tools-icon-btn {
        width: 32px;
        height: 32px;
        border-radius: var(--xun-radius, 8px);
    }

    .hui-ai-tools-icon-btn svg {
        width: 16px;
        height: 16px;
    }

    /* 灵感按钮改为统一图标按钮 */
    .hui-ai-tools-feature-btn {
        width: 32px;
        height: 32px;
        padding: 0;
        border-radius: var(--xun-radius, 8px);
    }

    .hui-ai-tools-feature-btn span {
        display: none;
    }

    .hui-ai-tools-feature-btn svg {
        width: 16px;
        height: 16px;
    }

    /* 发送按钮统一尺寸 */
    .hui-ai-tools-send-btn {
        width: 32px;
        height: 32px;
        border-radius: var(--xun-radius, 8px);
    }

    .hui-ai-tools-send-btn svg {
        width: 16px;
        height: 16px;
    }

    /* 移动端消息操作按钮始终显示 */
    .hui-ai-tools-message-actions {
        opacity: 1;
        flex-wrap: wrap;
    }

    .hui-ai-tools-action-btn {
        width: 28px;
        height: 28px;
    }

    .hui-ai-tools-action-btn svg {
        width: 14px;
        height: 14px;
    }

    /* 移动端消息头部 */
    .hui-ai-tools-message-header {
        flex-wrap: wrap;
        gap: 6px;
    }

    .hui-ai-tools-message-time {
        font-size: 11px;
    }

    .hui-ai-tools-message-model {
        font-size: 10px;
    }

    /* 移动端用户消息宽度 */
    .hui-ai-tools-message.is-user .hui-ai-tools-message-content {
        max-width: 90%;
    }
}

/* 侧边栏遮罩 */
.hui-ai-tools-sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

@media (max-width: 768px) {
    .hui-ai-tools-sidebar-overlay.is-open {
        display: block;
    }
}

/* ============================================================================
   移动端底部导航 Tab
   ============================================================================ */

.hui-ai-tools-mobile-nav {
    display: none;
}

@media (max-width: 768px) {
    .hui-ai-tools-mobile-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 900;
        background: var(--color-bg-container, #fff);
        border-top: 1px solid var(--color-border-secondary, #f0f0f0);
        padding: 6px 0;
        padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
        justify-content: space-around;
        align-items: center;
    }

    .hui-ai-tools-mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        flex: 1;
        padding: 6px 0;
        color: var(--color-text-tertiary, #999);
        text-decoration: none;
        transition: color 0.2s var(--ease-smooth, ease);
    }

    .hui-ai-tools-mobile-nav-item.is-active {
        color: var(--xun-secondary, var(--color-primary));
    }

    .hui-ai-tools-mobile-nav-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 2px;
    }

    .hui-ai-tools-mobile-nav-icon svg {
        width: 20px;
        height: 20px;
    }

    .hui-ai-tools-mobile-nav-text {
        font-size: 10px;
        font-weight: 500;
        white-space: nowrap;
    }

    /* 有底部导航时，输入区域和内容区域需要留出空间 */
    .hui-ai-tools-footer {
        padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));
    }
}

/* ============================================================================
   模型选择弹窗
   ============================================================================ */

.hui-ai-tools-model-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1100;
    align-items: center;
    justify-content: center;
}

.hui-ai-tools-model-modal.is-open {
    display: flex;
}

.hui-ai-tools-model-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.hui-ai-tools-model-modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    background: var(--color-bg-container, #fff);
    border-radius: var(--xun-radius-lg, 16px);
    box-shadow: var(--shadow-modal, 0 20px 25px -5px rgba(0, 0, 0, 0.1));
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: hui-modal-in 0.2s var(--ease-smooth, ease);
}

@keyframes hui-modal-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* 弹窗头部 */
.hui-ai-tools-model-modal-header {
    position: relative;
    padding: 24px 24px 16px;
    border-bottom: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-tools-model-modal-title {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text, #333);
}

.hui-ai-tools-model-modal-desc {
    margin: 0;
    font-size: 13px;
    color: var(--color-text-tertiary, #999);
    line-height: 1.5;
    max-width: 600px;
}

.hui-ai-tools-model-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-text-tertiary, #999);
    background: transparent;
    border: none;
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-model-modal-close:hover {
    color: var(--color-text, #333);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

/* 标签页 */
.hui-ai-tools-model-modal-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-tools-model-modal-tabs .hui-ai-tools-model-tab {
    padding: 8px 16px !important;
    font-size: 13px !important;
    font-weight: 500;
    color: var(--color-text-secondary, #666);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02)) !important;
    border: 1px solid transparent !important;
    border-radius: 20px !important;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s var(--ease-smooth, ease);
    line-height: 1.4;
    min-height: auto;
    box-shadow: none !important;
}

.hui-ai-tools-model-modal-tabs .hui-ai-tools-model-tab:hover {
    color: var(--xun-secondary, var(--color-primary));
    background: var(--color-fill-tertiary, rgba(0, 0, 0, 0.04)) !important;
}

.hui-ai-tools-model-modal-tabs .hui-ai-tools-model-tab.is-active {
    color: var(--xun-secondary, var(--color-primary));
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%) !important;
    border-color: var(--xun-secondary, var(--color-primary)) !important;
}

/* 搜索框 */
.hui-ai-tools-model-modal-search {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 16px 24px;
    padding: 10px 14px;
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: var(--xun-radius, 8px);
}

.hui-ai-tools-model-modal-search svg {
    color: var(--color-text-tertiary, #999);
    flex-shrink: 0;
}

.hui-ai-tools-model-modal-search input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 14px;
    color: var(--color-text, #333);
    outline: none;
}

.hui-ai-tools-model-modal-search input::placeholder {
    color: var(--color-text-quaternary, #ccc);
}

/* 模型列表 */
.hui-ai-tools-model-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 0 24px 24px;
}

.hui-ai-tools-model-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

/* 模型卡片 */
.hui-ai-tools-model-card {
    display: flex;
    flex-direction: column;
    padding: 16px;
    background: var(--color-bg-container, #fff);
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: var(--xun-radius, 12px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-tools-model-card:hover {
    border-color: var(--xun-secondary, var(--color-primary));
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.hui-ai-tools-model-card.is-active {
    border-color: var(--xun-secondary, var(--color-primary));
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.hui-ai-tools-model-card-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.hui-ai-tools-model-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 24px;
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border-radius: 10px;
    flex-shrink: 0;
    overflow: hidden;
}

.hui-ai-tools-model-card-icon img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.hui-ai-tools-model-card-info {
    flex: 1;
    min-width: 0;
}

.hui-ai-tools-model-card-name {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text, #333);
    margin-bottom: 4px;
}

.hui-ai-tools-model-card-badge {
    display: inline-flex;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    border-radius: 4px;
}

.hui-ai-tools-model-card-badge.is-new {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.hui-ai-tools-model-card-badge.is-hot {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
}

.hui-ai-tools-model-card-badge.is-free {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
}

.hui-ai-tools-model-card-provider {
    font-size: 12px;
    color: var(--color-text-tertiary, #999);
}

.hui-ai-tools-model-card-desc {
    font-size: 12px;
    color: var(--color-text-secondary, #666);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

.hui-ai-tools-model-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-tools-model-card-tags {
    display: flex;
    gap: 6px;
}

.hui-ai-tools-model-card-tag {
    padding: 2px 8px;
    font-size: 11px;
    color: var(--color-text-tertiary, #999);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border-radius: 4px;
}

.hui-ai-tools-model-card-points {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--xun-secondary, var(--color-primary));
}

.hui-ai-tools-model-card-points svg {
    width: 14px;
    height: 14px;
}

/* 空状态 */
.hui-ai-tools-model-empty {
    padding: 60px 20px;
    text-align: center;
    color: var(--color-text-tertiary, #999);
}

/* 响应式 */
@media (max-width: 768px) {
    .hui-ai-tools-model-modal-content {
        width: 95%;
        max-height: 95vh;
    }

    .hui-ai-tools-model-grid {
        grid-template-columns: 1fr;
    }

    .hui-ai-tools-model-modal-header {
        padding: 20px 16px 12px;
    }

    .hui-ai-tools-model-modal-tabs {
        padding: 12px 16px;
    }

    .hui-ai-tools-model-modal-search {
        margin: 12px 16px;
    }

    .hui-ai-tools-model-modal-body {
        padding: 0 16px 16px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .hui-ai-tools-model-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* ============================================================================
   Toast 通知
   ============================================================================ */

.hui-ai-tools-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--color-bg-container, #fff);
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: var(--xun-radius, 8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--ease-smooth, ease);
    z-index: 10000;
}

.hui-ai-tools-toast.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.hui-ai-tools-toast-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hui-ai-tools-toast-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text, #333);
    white-space: nowrap;
}

/* Toast 类型 */
.hui-ai-tools-toast--success .hui-ai-tools-toast-icon {
    color: var(--color-success, #10b981);
}

.hui-ai-tools-toast--error .hui-ai-tools-toast-icon {
    color: var(--color-error, #ef4444);
}

.hui-ai-tools-toast--info .hui-ai-tools-toast-icon {
    color: var(--xun-secondary, var(--color-primary));
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
    :root:not(.light) .hui-ai-tools-toast {
        background: var(--color-bg-elevated, #1f1f1f);
        border-color: rgba(255, 255, 255, 0.1);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    }
}

.dark .hui-ai-tools-toast {
    background: var(--color-bg-elevated, #1f1f1f);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .hui-ai-tools-toast {
        bottom: 140px;
        padding: 10px 16px;
    }

    .hui-ai-tools-toast-text {
        font-size: 13px;
    }
}

/* ============================================================================
   自定义弹窗
   ============================================================================ */

.hui-ai-tools-dialog-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-mask, rgba(0, 0, 0, 0.45));
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.hui-ai-tools-dialog-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

.hui-ai-tools-dialog {
    width: 360px;
    max-width: calc(100vw - 32px);
    padding: 24px;
    background: var(--color-bg-container, #fff);
    border-radius: var(--xun-radius-lg, 12px);
    box-shadow: var(--shadow-modal, 0 20px 25px -5px rgba(0,0,0,0.1));
    transform: scale(0.95) translateY(8px);
    transition: transform 0.2s ease;
}

.hui-ai-tools-dialog-overlay.is-visible .hui-ai-tools-dialog {
    transform: scale(1) translateY(0);
}

.hui-ai-tools-dialog-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin: 0 auto 12px;
    border-radius: 50%;
}

.hui-ai-tools-dialog-icon--warning {
    color: var(--color-warning, #f59e0b);
    background: var(--color-warning-bg, rgba(245, 158, 11, 0.1));
}

.hui-ai-tools-dialog-icon--danger {
    color: var(--color-error, #ef4444);
    background: var(--color-error-bg, rgba(239, 68, 68, 0.1));
}

.hui-ai-tools-dialog-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text, #333);
    text-align: center;
    margin-bottom: 8px;
}

.hui-ai-tools-dialog-message {
    font-size: 14px;
    color: var(--color-text-secondary, #666);
    text-align: center;
    line-height: 1.5;
    margin-bottom: 20px;
}

.hui-ai-tools-dialog-input-wrap {
    margin-bottom: 20px;
}

.hui-ai-tools-dialog-input {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--color-text, #333);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border, #ddd);
    border-radius: var(--xun-radius, 8px);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.hui-ai-tools-dialog-input:focus {
    border-color: var(--xun-secondary, var(--color-secondary));
    box-shadow: 0 0 0 3px oklch(from var(--xun-secondary, var(--color-secondary)) l c h / 0.1);
}

.hui-ai-tools-dialog-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.hui-ai-tools-dialog-btn {
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
    transition: all 0.15s ease;
}

.hui-ai-tools-dialog-btn--cancel {
    color: var(--color-text-secondary, #666);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.04));
}

.hui-ai-tools-dialog-btn--cancel:hover {
    background: var(--color-fill-tertiary, rgba(0, 0, 0, 0.08));
}

.hui-ai-tools-dialog-btn--confirm {
    color: #fff;
    background: var(--xun-secondary, var(--color-secondary));
}

.hui-ai-tools-dialog-btn--confirm:hover {
    background: var(--xun-secondary-hover, var(--color-secondary-dark));
}

.hui-ai-tools-dialog-btn--confirm.is-danger {
    background: var(--color-error, #ef4444);
}

.hui-ai-tools-dialog-btn--confirm.is-danger:hover {
    background: #dc2626;
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
    :root:not(.light) .hui-ai-tools-dialog {
        background: var(--color-bg-elevated, #1f1f1f);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    :root:not(.light) .hui-ai-tools-dialog-input {
        background: var(--color-fill-tertiary, rgba(255, 255, 255, 0.06));
        border-color: rgba(255, 255, 255, 0.1);
    }
}

.dark .hui-ai-tools-dialog {
    background: var(--color-bg-elevated, #1f1f1f);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dark .hui-ai-tools-dialog-input {
    background: var(--color-fill-tertiary, rgba(255, 255, 255, 0.06));
    border-color: rgba(255, 255, 255, 0.1);
}

    /* 代码块移动端适配 */
    .hui-ai-tools-code-header {
        padding: 10px 12px;
    }

    .hui-ai-tools-code-actions {
        gap: 12px;
    }

    .hui-ai-tools-code-btn span {
        display: none;
    }

    .hui-ai-tools-code-pre {
        padding: 12px;
        max-height: 400px;
    }

    .hui-ai-tools-code {
        font-size: 12px;
    }
}

/* ============================================================================
   代码预览抽屉 - 参考图片样式
   ============================================================================ */

.hui-ai-tools-preview-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
}

.hui-ai-tools-preview-drawer.is-open {
    display: flex;
}

.hui-ai-tools-preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: hui-preview-fade-in 0.2s ease;
}

@keyframes hui-preview-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hui-ai-tools-preview-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 720px;
    max-width: 95vw;
    background: #1a1a2e;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    animation: hui-preview-slide-in 0.3s var(--ease-smooth, ease);
}

@keyframes hui-preview-slide-in {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

/* 预览头部 */
.hui-ai-tools-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: #16162a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
    gap: 16px;
}

.hui-ai-tools-preview-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.hui-ai-tools-preview-title {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
}

.hui-ai-tools-preview-badge {
    font-size: 10px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

/* 中间标签页 */
.hui-ai-tools-preview-header-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hui-ai-tools-preview-tabs {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 3px;
}

.hui-ai-tools-preview-tab {
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.hui-ai-tools-preview-tab:hover {
    color: rgba(255, 255, 255, 0.9);
}

.hui-ai-tools-preview-tab.is-active {
    color: #fff;
    background: var(--xun-secondary, #6366f1);
}

/* 右侧操作按钮 */
.hui-ai-tools-preview-header-right {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.hui-ai-tools-preview-action {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.hui-ai-tools-preview-action:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.hui-ai-tools-preview-action svg {
    flex-shrink: 0;
}

.hui-ai-tools-preview-action span {
    display: none;
}

@media (min-width: 640px) {
    .hui-ai-tools-preview-action span {
        display: inline;
    }
}

/* 设备切换下拉菜单 */
.hui-ai-tools-preview-device-dropdown {
    position: relative;
}

.hui-ai-tools-preview-dropdown-arrow {
    margin-left: 2px;
    transition: transform 0.2s ease;
}

.hui-ai-tools-preview-device-menu.is-open + .hui-ai-tools-preview-dropdown-arrow,
.hui-ai-tools-preview-device-dropdown:has(.is-open) .hui-ai-tools-preview-dropdown-arrow {
    transform: rotate(180deg);
}

.hui-ai-tools-preview-device-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: #1e1e3a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 4px;
    min-width: 140px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

.hui-ai-tools-preview-device-menu.is-open {
    display: block;
    animation: hui-dropdown-fade-in 0.15s ease;
}

@keyframes hui-dropdown-fade-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hui-ai-tools-preview-device-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.hui-ai-tools-preview-device-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.hui-ai-tools-preview-device-item.is-active {
    color: #fff;
    background: var(--xun-secondary, #6366f1);
}

/* 关闭按钮 */
.hui-ai-tools-preview-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: rgba(255, 255, 255, 0.6);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-left: 4px;
}

.hui-ai-tools-preview-close:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* 预览主体 */
.hui-ai-tools-preview-body {
    flex: 1;
    overflow: hidden;
    background: #0d0d1a;
    padding: 16px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

/* 代码视图 */
.hui-ai-tools-preview-code-view {
    width: 100%;
    height: 100%;
    overflow: auto;
}

.hui-ai-tools-preview-code-pre {
    margin: 0;
    padding: 16px;
    background: #1e1e2e;
    border-radius: 8px;
    overflow: auto;
    height: 100%;
}

.hui-ai-tools-preview-code {
    font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
    font-size: 13px;
    line-height: 1.6;
    color: #e0e0e0;
    white-space: pre-wrap;
    word-break: break-all;
}

/* iframe 容器 - 设备模式 */
.hui-ai-tools-preview-iframe-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    height: 100%;
    transition: all 0.3s ease;
}

/* 桌面模式 - 全宽 */
.hui-ai-tools-preview-iframe-wrapper[data-device="desktop"] {
    padding: 0;
}

.hui-ai-tools-preview-iframe-wrapper[data-device="desktop"] .hui-ai-tools-preview-iframe {
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

/* 平板模式 */
.hui-ai-tools-preview-iframe-wrapper[data-device="tablet"] {
    padding: 16px;
    background: #0a0a14;
}

.hui-ai-tools-preview-iframe-wrapper[data-device="tablet"] .hui-ai-tools-preview-iframe {
    width: 768px;
    max-width: 100%;
    height: 100%;
    border-radius: 16px;
    box-shadow: 0 0 0 8px #2a2a4a, 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* 移动端模式 */
.hui-ai-tools-preview-iframe-wrapper[data-device="mobile"] {
    padding: 24px;
    background: #0a0a14;
}

.hui-ai-tools-preview-iframe-wrapper[data-device="mobile"] .hui-ai-tools-preview-iframe {
    width: 375px;
    max-width: 100%;
    height: calc(100% - 48px);
    max-height: 812px;
    border-radius: 32px;
    box-shadow: 0 0 0 10px #2a2a4a, 0 8px 32px rgba(0, 0, 0, 0.4);
}

.hui-ai-tools-preview-iframe {
    border: none;
    background: #fff;
    transition: all 0.3s ease;
}

/* 预览抽屉移动端适配 */
@media (max-width: 768px) {
    .hui-ai-tools-preview-panel {
        width: 100%;
        max-width: 100%;
    }
    
    .hui-ai-tools-preview-header {
        flex-wrap: wrap;
        gap: 8px;
        padding: 8px 12px;
    }
    
    .hui-ai-tools-preview-header-center {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .hui-ai-tools-preview-action span {
        display: none !important;
    }
    
    .hui-ai-tools-preview-iframe-wrapper[data-device="tablet"] .hui-ai-tools-preview-iframe,
    .hui-ai-tools-preview-iframe-wrapper[data-device="mobile"] .hui-ai-tools-preview-iframe {
        max-height: calc(100vh - 200px);
    }
}