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<script lang="ts"> |
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import type { Client } from "@gradio/client"; |
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import type { NormalisedMessage, ThoughtNode } from "../types"; |
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import type { I18nFormatter } from "js/core/src/gradio_helper"; |
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import type { ComponentType, SvelteComponent } from "svelte"; |
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import MessageContent from "./MessageContent.svelte"; |
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import { DropdownCircularArrow } from "@gradio/icons"; |
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import { IconButton } from "@gradio/atoms"; |
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import { slide } from "svelte/transition"; |
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import { MarkdownCode as Markdown } from "@gradio/markdown-code"; |
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let { |
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thought, |
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rtl, |
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sanitize_html, |
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latex_delimiters, |
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render_markdown, |
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_components, |
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upload, |
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thought_index, |
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target, |
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theme_mode, |
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_fetch, |
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scroll, |
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allow_file_downloads, |
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display_consecutive_in_same_bubble, |
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i18n, |
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line_breaks, |
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allow_tags |
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}: { |
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thought: NormalisedMessage; |
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rtl: boolean; |
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sanitize_html: boolean; |
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latex_delimiters: { left: string; right: string; display: boolean }[]; |
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render_markdown: boolean; |
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_components: Record<string, ComponentType<SvelteComponent>>; |
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upload: Client["upload"]; |
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thought_index: number; |
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target: HTMLElement | null; |
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theme_mode: "light" | "dark" | "system"; |
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_fetch: typeof fetch; |
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scroll: () => void; |
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allow_file_downloads: boolean; |
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display_consecutive_in_same_bubble: boolean; |
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i18n: I18nFormatter; |
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line_breaks: boolean; |
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allow_tags: string[] | boolean; |
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} = $props(); |
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function is_thought_node(msg: NormalisedMessage): msg is ThoughtNode { |
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return "children" in msg; |
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} |
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let user_expanded_toggled = $state(false); |
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let content_preview_element: HTMLElement; |
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let user_is_scrolling = $state(false); |
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let thought_node: ThoughtNode = $derived.by(() => ({ |
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...thought, |
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children: is_thought_node(thought) ? thought.children : [] |
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})); |
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let expanded = $state(false); |
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$effect(() => { |
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if (!user_expanded_toggled) { |
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expanded = thought_node?.metadata?.status !== "done"; |
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} |
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}); |
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function toggleExpanded(): void { |
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expanded = !expanded; |
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user_expanded_toggled = true; |
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} |
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function scrollToBottom(): void { |
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if (content_preview_element && !user_is_scrolling) { |
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content_preview_element.scrollTop = content_preview_element.scrollHeight; |
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} |
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} |
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function handleScroll(): void { |
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if (content_preview_element) { |
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const is_at_bottom = |
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content_preview_element.scrollHeight - |
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content_preview_element.scrollTop <= |
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content_preview_element.clientHeight + 10; |
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if (!is_at_bottom) { |
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user_is_scrolling = true; |
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} |
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} |
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} |
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$effect(() => { |
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if (thought_node.content && thought_node.metadata?.status !== "done") |
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setTimeout(scrollToBottom, 0); |
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}); |
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</script> |
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<div class="thought-group"> |
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<div |
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class="title" |
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class:expanded |
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on:click|stopPropagation={toggleExpanded} |
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aria-busy={thought_node.content === "" || thought_node.content === null} |
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role="button" |
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tabindex="0" |
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on:keydown={(e) => e.key === "Enter" && toggleExpanded()} |
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> |
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<span |
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class="arrow" |
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style:transform={expanded ? "rotate(180deg)" : "rotate(0deg)"} |
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> |
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<IconButton Icon={DropdownCircularArrow} /> |
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</span> |
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<Markdown |
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message={thought_node.metadata?.title || ""} |
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{render_markdown} |
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{latex_delimiters} |
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{sanitize_html} |
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allow_tags={allow_tags || false} |
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/> |
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{#if thought_node.metadata?.status === "pending"} |
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<span class="loading-spinner"></span> |
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{/if} |
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{#if thought_node?.metadata?.log || thought_node?.metadata?.duration} |
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<span class="duration"> |
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{#if thought_node.metadata.log} |
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{thought_node.metadata.log} |
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{/if} |
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{#if thought_node.metadata.duration !== undefined} |
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({#if Number.isInteger(thought_node.metadata.duration)}{thought_node |
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.metadata |
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.duration}s{:else if thought_node.metadata.duration >= 0.1}{thought_node.metadata.duration.toFixed( |
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1 |
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)}s{:else}{(thought_node.metadata.duration * 1000).toFixed( |
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1 |
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)}ms{/if}) |
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{/if} |
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</span> |
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{/if} |
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</div> |
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{#if expanded} |
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<div |
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class:content={expanded} |
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class:content-preview={!expanded && |
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thought_node.metadata?.status !== "done"} |
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bind:this={content_preview_element} |
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on:scroll={handleScroll} |
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transition:slide |
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> |
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<MessageContent |
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message={thought_node} |
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{sanitize_html} |
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{allow_tags} |
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{latex_delimiters} |
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{render_markdown} |
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{_components} |
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{upload} |
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{thought_index} |
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{target} |
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{theme_mode} |
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{_fetch} |
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{scroll} |
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{allow_file_downloads} |
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{display_consecutive_in_same_bubble} |
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{i18n} |
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{line_breaks} |
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/> |
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{#if thought_node.children?.length > 0} |
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<div class="children"> |
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{#each thought_node.children as child, index} |
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<svelte:self |
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thought={child} |
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rtc={rtl || false} |
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{sanitize_html} |
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{latex_delimiters} |
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{render_markdown} |
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{_components} |
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{upload} |
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thought_index={thought_index + 1} |
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{target} |
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{theme_mode} |
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{_fetch} |
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{scroll} |
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{allow_file_downloads} |
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{display_consecutive_in_same_bubble} |
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{i18n} |
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{line_breaks} |
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/> |
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{/each} |
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</div> |
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{/if} |
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</div> |
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{/if} |
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</div> |
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<style> |
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.thought-group { |
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background: var(--background-fill-primary); |
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border: 1px solid var(--border-color-primary); |
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border-radius: var(--radius-sm); |
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padding: var(--spacing-md); |
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margin: var(--spacing-md) 0; |
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font-size: var(--text-sm); |
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} |
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.children :global(.thought-group) { |
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border: none; |
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margin: 0; |
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padding-bottom: 0; |
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} |
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.children { |
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padding-left: var(--spacing-md); |
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} |
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.title { |
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display: flex; |
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align-items: center; |
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color: var(--body-text-color); |
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cursor: pointer; |
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width: 100%; |
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} |
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.title :global(.md) { |
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font-size: var(--text-sm) !important; |
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} |
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.content, |
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.content-preview { |
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overflow-wrap: break-word; |
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word-break: break-word; |
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margin-left: var(--spacing-lg); |
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margin-bottom: var(--spacing-sm); |
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} |
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.content-preview { |
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position: relative; |
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max-height: calc(5 * 1.5em); |
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overflow-y: auto; |
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overscroll-behavior: contain; |
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cursor: default; |
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} |
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.content :global(*), |
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.content-preview :global(*) { |
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font-size: var(--text-sm); |
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color: var(--body-text-color); |
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} |
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.thought-group :global(.thought:not(.nested)) { |
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border: none; |
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background: none; |
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} |
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.duration { |
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color: var(--body-text-color-subdued); |
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font-size: var(--text-sm); |
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margin-left: var(--size-1); |
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} |
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.arrow { |
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opacity: 0.8; |
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width: var(--size-8); |
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height: var(--size-8); |
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display: flex; |
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align-items: center; |
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justify-content: center; |
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} |
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.arrow :global(button) { |
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background-color: transparent; |
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} |
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.loading-spinner { |
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display: inline-block; |
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width: 12px; |
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height: 12px; |
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border: 2px solid var(--body-text-color); |
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border-radius: 50%; |
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border-top-color: transparent; |
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animation: spin 1s linear infinite; |
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margin: 0 var(--size-1) -1px var(--size-2); |
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opacity: 0.8; |
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} |
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@keyframes spin { |
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to { |
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transform: rotate(360deg); |
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} |
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} |
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.thought-group :global(.message-content) { |
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opacity: 0.8; |
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} |
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</style> |
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