515 lines
13 KiB
Svelte
515 lines
13 KiB
Svelte
<script lang="ts">
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/* eslint-disable @typescript-eslint/no-explicit-any */
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import { page } from '$app/stores';
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import type { PageData, ActionData } from './$types';
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import { deserialize } from '$app/forms';
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import { X } from '@lucide/svelte';
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import ContentEditor from '$lib/components/admin/ContentEditor.svelte';
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import { EditorOutline } from '$lib/editor/outline.svelte';
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import FeaturedImagePicker from '$lib/components/admin/FeaturedImagePicker.svelte';
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import SelectDropdown from '$lib/components/admin/SelectDropdown.svelte';
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import TextInput from '$lib/components/admin/TextInput.svelte';
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import Button from '$lib/components/admin/Button.svelte';
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import Alert from '$lib/components/admin/Alert.svelte';
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import EditorSidebarTabs from '$lib/components/admin/EditorSidebarTabs.svelte';
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import ArticleAttachments from '$lib/components/admin/ArticleAttachments.svelte';
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import { untrack } from 'svelte';
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let { data, form }: { data: PageData; form: ActionData } = $props();
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const initialData = $state.snapshot(untrack(() => data));
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let title = $state(initialData.post.title);
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let slug = $state(initialData.post.slug);
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let content = $state(initialData.post.content || '');
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let cover = $state(initialData.post.cover || '');
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let mode = $state<'edit' | 'preview'>('edit');
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let publishedAt = $state(initialData.post.published_at || '');
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let updatedAt = $state(initialData.post.updated_at || '');
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let selectedCategoryId = $state<number | string>(initialData.post.category_id ?? '');
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let selectedSeriesId = $state<number | string>(initialData.post.series_id ?? '');
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let seriesWeight = $state<number | string>(initialData.post.series_weight ?? '');
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let selectedTags = $state<number[]>(initialData.selectedTagIds || []);
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let tagsList = $state(initialData.tags || []);
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let seriesList = $state(initialData.series || []);
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const outline = new EditorOutline();
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let sidebarTab = $state('settings');
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let sessionUploads = $state<{ url: string; key: string; filename: string }[]>([]);
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function toggleTag(tagId: number) {
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if (selectedTags.includes(tagId)) {
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selectedTags = selectedTags.filter((id) => id !== tagId);
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} else {
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selectedTags = [...selectedTags, tagId];
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}
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}
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function handleTitleInput(e: Event) {
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const target = e.target as HTMLInputElement;
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title = target.value;
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}
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let newTagInput = $state('');
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let isAddingTag = $state(false);
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let showTagDropdown = $state(false);
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let filteredTags = $derived(
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(() => {
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const input = newTagInput.trim().toLowerCase();
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const available = tagsList.filter((t) => !selectedTags.includes(t.id));
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if (!input) return available.slice(0, 5);
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return available.filter((t) => t.name.toLowerCase().includes(input));
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})()
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);
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async function handleAddTag(e: KeyboardEvent) {
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if (e.key === 'Enter') {
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e.preventDefault(); // 防止整个表单提交
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const val = newTagInput.trim();
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if (!val || isAddingTag) return;
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// 检查是否已存在同名标签
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const existingTag = tagsList.find((t) => t.name.toLowerCase() === val.toLowerCase());
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if (existingTag) {
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if (!selectedTags.includes(existingTag.id)) {
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selectedTags = [...selectedTags, existingTag.id];
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}
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newTagInput = '';
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showTagDropdown = false;
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return;
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}
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isAddingTag = true;
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try {
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const formData = new FormData();
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formData.append('name', val);
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const res = await fetch('/admin/tags?/create', {
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method: 'POST',
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body: formData,
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headers: {
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'x-sveltekit-action': 'true'
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}
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});
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const result = deserialize(await res.text()) as any;
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if (result.type === 'success' && result.data?.tag) {
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// 将新标签加入列表
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tagsList = [...tagsList, result.data.tag];
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// 自动选中新标签
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selectedTags = [...selectedTags, result.data.tag.id];
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}
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} catch (err: any) {
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console.error('Failed to create tag', err);
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} finally {
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isAddingTag = false;
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newTagInput = '';
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showTagDropdown = false;
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}
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}
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}
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</script>
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<div class="admin-page-header">
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<h2>编辑</h2>
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<div class="header-actions">
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<Button type="submit" form="post-form" variant="primary">保存</Button>
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</div>
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</div>
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{#if form?.error}
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<Alert message={form.error} />
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{/if}
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<form method="POST" action="?/update" id="post-form" class="post-form">
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<!-- 正文由页面统一持有并始终提交，避免切到「预览」时编辑器卸载导致正文丢失 -->
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<input type="hidden" name="content" value={content} />
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<input type="hidden" name="published_at" value={publishedAt} />
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<input type="hidden" name="updated_at" value={updatedAt} />
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<div class="form-grid">
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<div class="form-main">
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<div class="form-group">
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<label for="title">标题 *</label>
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<TextInput
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type="text"
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id="title"
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name="title"
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bind:value={title}
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oninput={handleTitleInput}
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placeholder="输入标题..."
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required
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/>
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</div>
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<div class="form-group">
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<div class="editor-header">
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<label for="content">正文 *</label>
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<div class="editor-header-right">
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<div class="editor-tabs">
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<button
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type="button"
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class="tab-btn {mode === 'edit' ? 'active' : ''}"
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onclick={() => (mode = 'edit')}>编辑</button
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>
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<button
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type="button"
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class="tab-btn {mode === 'preview' ? 'active' : ''}"
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onclick={() => (mode = 'preview')}>预览</button
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>
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</div>
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</div>
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</div>
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<div class="editor-body">
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<ContentEditor
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bind:value={content}
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{mode}
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{outline}
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onUpload={(img) => (sessionUploads = [...sessionUploads, img])}
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/>
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</div>
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</div>
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</div>
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<div class="form-sidebar">
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<EditorSidebarTabs {outline} bind:activeTab={sidebarTab} />
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<!-- 设置面板始终挂载（仅切换显隐），确保别名/分类/系列/标签等字段在提交时始终存在 -->
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<div class="sidebar-panel" class:is-hidden={sidebarTab !== 'settings'}>
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<div class="sidebar-box">
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<h3>别名 *</h3>
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<TextInput
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type="text"
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id="slug"
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name="slug"
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bind:value={slug}
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placeholder="hello-world"
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required
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variant="underline"
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/>
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</div>
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<div class="sidebar-box">
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<h3>{$page.data.aliases?.category || '分类'}</h3>
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<SelectDropdown
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name="category_id"
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label={$page.data.aliases?.category || '分类'}
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options={data.categories.map((category) => ({
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value: category.id,
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label: category.name
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}))}
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bind:value={selectedCategoryId}
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/>
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</div>
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<div class="sidebar-box">
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<h3>{$page.data.aliases?.series || '系列'}</h3>
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<SelectDropdown
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name="series_id"
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label={$page.data.aliases?.series || '系列'}
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options={seriesList.map((series) => ({ value: series.id, label: series.name }))}
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bind:value={selectedSeriesId}
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/>
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<TextInput
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type="number"
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name="series_weight"
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style="margin-top: 10px;"
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bind:value={seriesWeight}
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placeholder="顺序（留空自动追加）"
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disabled={!selectedSeriesId}
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step="1"
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variant="underline"
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/>
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</div>
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<div class="sidebar-box">
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<h3>{$page.data.aliases?.tag || '标签'}</h3>
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<div class="selected-tags-vertical">
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{#each selectedTags as tagId (tagId)}
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{#if tagsList.find((t) => t.id === tagId)}
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{@const tag = tagsList.find((t) => t.id === tagId)}
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<div class="selected-tag-row">
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<span>{tag?.name}</span>
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<button
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type="button"
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class="remove-tag-btn"
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onclick={() => toggleTag(tagId)}
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title="移除{$page.data.aliases?.tag || '标签'}"
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><X size={14} aria-hidden="true" /></button
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>
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<input type="hidden" name="tags" value={tagId} />
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</div>
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{/if}
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{/each}
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</div>
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<div class="tag-input-container">
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<TextInput
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type="text"
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class="tag-input-new"
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placeholder="+ 添加{$page.data.aliases?.tag || '标签'}..."
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bind:value={newTagInput}
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onkeydown={handleAddTag}
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onfocus={() => (showTagDropdown = true)}
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onblur={() => setTimeout(() => (showTagDropdown = false), 200)}
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disabled={isAddingTag}
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autocomplete="off"
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variant="underline"
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/>
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{#if showTagDropdown && filteredTags.length > 0}
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<div class="tag-autocomplete-dropdown">
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{#each filteredTags as tag (tag.id || tag)}
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<button
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type="button"
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class="tag-dropdown-item"
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onclick={() => {
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if (!selectedTags.includes(tag.id)) {
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selectedTags = [...selectedTags, tag.id];
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}
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newTagInput = '';
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showTagDropdown = false;
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}}
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>
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{tag.name}
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</button>
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{/each}
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</div>
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{/if}
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</div>
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</div>
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</div>
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<!-- 媒体面板始终挂载（仅切换显隐），确保特色图的隐藏表单项在表单提交时始终存在 -->
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<div class="sidebar-panel" class:is-hidden={sidebarTab !== 'media'}>
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<div class="sidebar-box">
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<FeaturedImagePicker bind:cover adaptiveHeight previewable />
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</div>
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<div class="sidebar-box">
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<h3>当前{$page.data.aliases?.post || '文章'}附件</h3>
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<ArticleAttachments bind:content bind:sessionUploads />
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</div>
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</div>
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</div>
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</div>
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</form>
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<style>
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.admin-page-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 25px;
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border-bottom: 2px solid var(--text-color);
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padding-bottom: 12px;
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}
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.admin-page-header h2 {
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margin: 0;
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font-size: 2rem;
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color: var(--text-color);
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}
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.header-actions {
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display: flex;
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align-items: center;
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gap: 10px;
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}
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.editor-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 6px;
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}
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.editor-tabs {
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display: flex;
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gap: 8px;
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}
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.tab-btn {
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background: none;
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border: none;
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padding: 4px 12px;
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font-size: 0.85rem;
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font-weight: 600;
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color: rgba(0, 0, 0, 0.4);
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cursor: pointer;
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border-radius: 4px;
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transition: all 0.2s ease;
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}
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.tab-btn:hover {
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background: rgba(0, 0, 0, 0.05);
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}
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.tab-btn.active {
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color: var(--accent-color, #419b38);
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background: rgba(65, 155, 56, 0.1);
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}
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.form-grid {
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display: grid;
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grid-template-columns: minmax(0, 1fr) 280px;
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gap: 40px;
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align-items: start;
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}
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.form-main {
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min-width: 0;
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width: 100%;
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}
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.form-sidebar {
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position: sticky;
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top: 20px;
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width: 100%;
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display: flex;
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flex-direction: column;
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gap: 16px;
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z-index: 10;
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max-height: calc(100vh - 40px);
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overflow-y: auto;
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}
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.sidebar-panel {
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display: flex;
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flex-direction: column;
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gap: 16px;
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}
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.sidebar-panel.is-hidden {
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display: none;
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}
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@media (max-width: 900px) {
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.form-grid {
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grid-template-columns: 1fr;
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}
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.form-sidebar {
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position: static;
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flex-direction: column;
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gap: 16px;
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margin-top: 20px;
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max-height: none;
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overflow-y: visible;
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}
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}
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.form-group {
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margin-bottom: 20px;
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}
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.form-group label {
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display: block;
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font-weight: 700;
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margin-bottom: 12px;
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color: var(--text-color);
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font-size: 0.9rem;
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letter-spacing: 1px;
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text-transform: uppercase;
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}
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.sidebar-box {
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background: transparent;
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border: none;
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border-radius: 0;
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padding: 0;
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}
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.sidebar-box h3 {
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margin: 0 0 12px 0;
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font-size: 0.9rem;
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font-weight: 700;
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letter-spacing: 1px;
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text-transform: uppercase;
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color: var(--text-color);
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border-bottom: none;
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}
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.selected-tags-vertical {
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display: flex;
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flex-direction: column;
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gap: 6px;
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margin-bottom: 15px;
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}
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.selected-tag-row {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 6px 10px;
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border: 1px solid var(--text-color);
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background: transparent;
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font-weight: 600;
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font-size: 0.9rem;
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}
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.remove-tag-btn {
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background: transparent;
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border: none;
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color: var(--text-color);
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font-size: 1.1rem;
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cursor: pointer;
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opacity: 0.7;
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padding: 0 4px;
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}
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.remove-tag-btn:hover {
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opacity: 1;
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color: #d9534f;
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}
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.tag-input-container {
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position: relative;
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}
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.tag-autocomplete-dropdown {
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position: absolute;
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top: 100%;
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left: 0;
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right: 0;
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background: var(--bg-color);
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border: 1px solid var(--text-color);
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box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
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z-index: 50;
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max-height: 200px;
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overflow-y: auto;
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display: flex;
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flex-direction: column;
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margin-top: 4px;
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}
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.tag-dropdown-item {
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background: transparent;
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border: none;
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border-bottom: 1px solid rgba(0, 0, 0, 0.1);
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padding: 8px 12px;
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text-align: left;
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font-family: inherit;
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font-size: 0.85rem;
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color: var(--text-color);
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cursor: pointer;
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font-weight: 600;
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transition: all 0.2s ease;
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}
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.tag-dropdown-item:last-child {
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border-bottom: none;
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}
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.tag-dropdown-item:hover {
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background: var(--text-color);
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color: var(--bg-color);
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}
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.editor-header-right {
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display: flex;
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align-items: center;
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gap: 15px;
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}
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</style>
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