#302

frontend/src/lib/users.ts

@@ -2,6 +2,7 @@ import type { User, UserRole } from '@/types'
 
 const CONTENT_EDITOR_ROLES: readonly UserRole[] = ['admin', 'member']
 
+
 export const canEditContent = (
     user: Pick<User, 'role'> | null | undefined,
 ): boolean => user != null && CONTENT_EDITOR_ROLES.includes (user.role)

frontend/src/pages/theatres/TheatreDetailPage.tsx

@@ -15,6 +15,7 @@ import { SITE_TITLE } from '@/config'
 import { CATEGORIES, CATEGORY_NAMES } from '@/consts'
 import { apiDelete, apiGet, apiPatch, apiPost, apiPut, isApiError } from '@/lib/api'
 import { fetchPost } from '@/lib/posts'
+import { canEditContent } from '@/lib/users'
 import { cn, dateString, inputClass } from '@/lib/utils'
 import { useValidationErrors } from '@/lib/useValidationErrors'
 
@@ -42,11 +43,10 @@ const INITIAL_THEATRE_INFO: TheatreInfo =
       postStartedAt: null,
       postElapsedMs: null,
       watchingUsers: [],
-      skipVote: {
-	votesCount: 0,
-	requiredCount: 1,
-	watchingUsersCount: 0,
-	voted: false } }
+      skipVote: { votesCount: 0,
+		  requiredCount: 1,
+		  watchingUsersCount: 0,
+		  voted: false } }
 
 const INITIAL_WEIGHTS: TheatrePostSelectionWeights =
     { tagPenalties: [], lightestPosts: [], heaviestPosts: [] }
@@ -56,12 +56,12 @@ const TAG_FLOW_STORAGE_KEY = 'theatre-tag-flow'
 
 const LAYOUT_LABELS: Record<TheatreLayoutMode, string> = {
     threeColumns:   '3 列',
-    tagsBottom:     '2 列（コメント欄）',
-    commentsBottom: '2 列（タグ欄）' }
+    tagsBottom:     '2 列 A 型',
+    commentsBottom: '2 列 B 型' }
 
 const TAG_FLOW_LABELS: Record<TagFlow, string> = {
-    vertical:   'タグ縦',
-    horizontal: 'タグ横' }
+    vertical:   '縦並び',
+    horizontal: '横並び' }
 
 
 const userName = (user: Pick<User, 'id' | 'name'> | null | undefined): string =>
@@ -88,13 +88,13 @@ const commentBox = (
 	</div>),
      (
 	<div key={`${ comment.no }-post`} className="mt-1 w-full text-xs text-zinc-500 dark:text-zinc-400">
-	  {programme ? (
+	  {programme && (
 	      <>
-		この時の動画：
 		<PrefetchLink to={`/posts/${ programme.post.id }`} className="font-bold hover:underline">
 		  {programme.post.title || programme.post.url}
 		</PrefetchLink>
-	      </>) : 'この時の動画：履歴外'}
+		&thinsp;へのコメント
+	      </>)}
 	</div>)]
 
 
@@ -124,13 +124,15 @@ const TagList: FC<{ tags: Tag[]; compact?: boolean; flow?: TagFlow }> = (
   const grouped = tagsByCategory (tags)
 
   if (flow === 'horizontal')
-    return (
-	<ul className={cn ('flex flex-wrap gap-x-3 gap-y-1', compact && 'text-sm')}>
-	  {CATEGORIES.flatMap (cat => grouped[cat] ?? []).map (tag => (
-	      <li key={tag.id} className="text-left leading-tight">
-		<TagLink tag={tag} withCount={false}/>
-	      </li>))}
-	</ul>)
+    {
+      return (
+	  <ul className={cn ('flex flex-wrap gap-x-3 gap-y-1', compact && 'text-sm')}>
+	    {CATEGORIES.flatMap (cat => grouped[cat] ?? []).map (tag => (
+		<li key={tag.id} className="text-left leading-tight">
+		  <TagLink tag={tag} withCount={false}/>
+		</li>))}
+	  </ul>)
+    }
 
   return (
       <div className="space-y-3">
@@ -144,10 +146,7 @@ const TagList: FC<{ tags: Tag[]; compact?: boolean; flow?: TagFlow }> = (
 		<div className="mb-1 shrink-0 text-xs font-bold text-zinc-500 dark:text-zinc-400">
 		  {CATEGORY_NAMES[cat]}
 		</div>
-		<ul
-		    className={cn (
-			'space-y-1',
-			compact && 'text-sm')}>
+		<ul className={cn ('space-y-1', compact && 'text-sm')}>
 		  {rows.map (tag => (
 		      <li key={tag.id} className="text-left leading-tight">
 			<TagLink tag={tag} withCount={false}/>
@@ -188,16 +187,18 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
   const [weights, setWeights] = useState<TheatrePostSelectionWeights> (INITIAL_WEIGHTS)
   const [layoutMode, setLayoutMode] = useState<TheatreLayoutMode> (() => {
     const stored = localStorage.getItem (LAYOUT_STORAGE_KEY)
-    return (['threeColumns', 'tagsBottom', 'commentsBottom'] as TheatreLayoutMode[])
-      .includes (stored as TheatreLayoutMode)
-      ? stored as TheatreLayoutMode
-      : 'threeColumns'
+    return (
+	((['threeColumns', 'tagsBottom', 'commentsBottom'] as TheatreLayoutMode[])
+	 .includes (stored as TheatreLayoutMode))
+	? (stored as TheatreLayoutMode)
+	: 'threeColumns')
   })
   const [tagFlow, setTagFlow] = useState<TagFlow> (() => {
     const stored = localStorage.getItem (TAG_FLOW_STORAGE_KEY)
-    return (['vertical', 'horizontal'] as TagFlow[]).includes (stored as TagFlow)
-      ? stored as TagFlow
-      : 'vertical'
+    return (
+	(['vertical', 'horizontal'] as TagFlow[]).includes (stored as TagFlow)
+	? (stored as TagFlow)
+	: 'vertical')
   })
   const { fieldErrors, clearValidationErrors, applyValidationError } =
       useValidationErrors<TheatreCommentField> ()
@@ -217,14 +218,15 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
     setTheatreInfo (nextInfo)
   }, [])
 
-  const currentPostElapsedMs = useCallback ((info: TheatreInfo = theatreInfoRef.current): number => {
-    if (info.postElapsedMs == null)
-      return 0
+  const currentPostElapsedMs = useCallback (
+      (info: TheatreInfo = theatreInfoRef.current): number => {
+	if (info.postElapsedMs == null)
+	  return 0
 
-    return Math.max (
-	info.postElapsedMs + performance.now () - theatreInfoReceivedAtRef.current,
-	0)
-  }, [])
+	return Math.max (
+	    info.postElapsedMs + performance.now () - theatreInfoReceivedAtRef.current,
+	    0)
+      }, [])
 
   const refreshProgrammes = useCallback (async () => {
     if (!(id))
@@ -352,11 +354,13 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
 	if (ended)
 	  {
 	    if (!(cancelled))
-	      setTheatreInfo (prev => ({
-		...prev,
-		postId: null,
-		postStartedAt: null,
-		postElapsedMs: null }))
+	      {
+		setTheatreInfo (prev => ({
+		    ...prev,
+		    postId: null,
+		    postStartedAt: null,
+		    postElapsedMs: null }))
+	      }
 
 	    return
 	  }
@@ -561,7 +565,7 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
     return <ErrorScreen status={status}/>
 
   const tagPanel = (
-      <section className="rounded border border-zinc-300 bg-white p-4 dark:border-zinc-800 dark:bg-zinc-900">
+      <section className="rounded border-zinc-300 p-4 dark:border-zinc-800">
 	<div className="mb-3 flex items-center justify-between gap-3">
 	  <h2 className="font-bold">タグ</h2>
 	  {layoutMode === 'tagsBottom' && (
@@ -583,7 +587,7 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
       </section>)
 
   const commentsPanel = (
-      <section className="rounded border border-zinc-300 bg-white p-4 dark:border-zinc-800 dark:bg-zinc-900">
+      <section className="rounded border-zinc-300 p-4 dark:border-zinc-800">
 	<h2 className="mb-3 font-bold">コメント</h2>
 	<form onSubmit={handleCommentSubmit}>
 	  <input
@@ -598,18 +602,21 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
 
 	<div
 	    ref={commentsRef}
-	    className="mt-3 max-h-[48vh] overflow-y-auto rounded border border-zinc-200 dark:border-zinc-800">
+	    className="mt-3 max-h-[48vh] overflow-y-auto rounded border border-zinc-200
+		       dark:border-zinc-800">
 	  {comments.map (comment => {
 	    const commentProgramme = programmeForComment (comment)
-
 	    return (
 		<div
 		    key={comment.no}
-		    className="group relative border-t border-zinc-100 p-2 first:border-t-0 hover:bg-zinc-50 dark:border-zinc-800 dark:hover:bg-zinc-800">
+		    className="group relative border-t border-zinc-100 p-2 first:border-t-0
+			       hover:bg-zinc-50 dark:border-zinc-800 dark:hover:bg-zinc-800">
 		  {(user && comment.user?.id === user.id && !(comment.deleted)) && (
 		      <button
 			  type="button"
-			  className="absolute left-1 top-1 hidden rounded px-1 text-red-600 hover:bg-red-100 group-hover:inline-block dark:text-red-300 dark:hover:bg-red-950"
+			  className="absolute left-1 top-1 hidden rounded px-1 text-red-600
+				     hover:bg-red-100 group-hover:inline-block dark:text-red-300
+				     dark:hover:bg-red-950"
 			  aria-label="コメントを削除"
 			  onClick={async e => {
 			    e.stopPropagation ()
@@ -617,7 +624,8 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
 			    if (!(await dialogue.confirm ({
 				title: 'このコメントを削除しますか?',
 				description: (
-				    <div className="my-3 w-64 rounded border border-black p-2 dark:border-white">
+				    <div className="my-3 w-120 rounded border border-black p-2
+						    dark:border-white">
 				      {commentBox (comment, commentProgramme)}
 				    </div>),
 				confirmText: '削除',
@@ -635,7 +643,7 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
       </section>)
 
   const participantsPanel = (
-      <section className="rounded border border-zinc-300 bg-white p-4 dark:border-zinc-800 dark:bg-zinc-900">
+      <section className="rounded border-zinc-300 p-4 dark:border-zinc-800">
 	<h2 className="mb-3 font-bold">参加者</h2>
 	<div className="space-y-1">
 	  {theatreInfo.watchingUsers.map (watchingUser => (
@@ -647,43 +655,56 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
       </section>)
 
   const historyPanel = (
-      <section className="rounded border border-zinc-300 bg-white p-4 dark:border-zinc-800 dark:bg-zinc-900">
+      <section className="rounded border-zinc-300 p-4 dark:border-zinc-800">
 	<h2 className="mb-3 font-bold">再生履歴</h2>
-	<div className="max-h-72 overflow-y-auto">
-	  {programmes.length === 0 ? (
-	      <div className="text-sm text-zinc-500">まだ履歴はありません。</div>) : programmes.map (programme => (
-	      <div key={`${ programme.theatreId }-${ programme.position }`} className="border-t border-zinc-100 py-2 text-sm first:border-t-0 dark:border-zinc-800">
-		<PrefetchLink to={`/posts/${ programme.post.id }`} className="font-bold hover:underline">
-		  {programme.post.title || programme.post.url}
-		</PrefetchLink>
-		<div className="text-xs text-zinc-500">
-		  #{programme.position} / {dateString (programme.createdAt)}
-		</div>
-	      </div>))}
+	<div className="rounded border border-zinc-300 dark:border-zinc-800 max-h-72
+			overflow-y-auto">
+	  {programmes.length === 0
+	   ? <div className="text-sm text-zinc-500">まだ履歴はありません。</div>
+	   : (
+	      programmes.map (programme => (
+		  <div
+		      key={`${ programme.theatreId }-${ programme.position }`}
+		      className="border-zinc-100 p-2 text-sm first:border-t-0
+				 dark:border-zinc-800">
+		    <PrefetchLink
+			to={`/posts/${ programme.post.id }`}
+			className="font-bold hover:underline">
+		      {programme.post.title || programme.post.url}
+		    </PrefetchLink>
+		    <div className="text-xs text-zinc-500">
+		      {dateString (programme.createdAt)}
+		    </div>
+		  </div>)))}
 	</div>
       </section>)
 
   const weightsPanel = (
-      <section className="rounded border border-zinc-300 bg-white p-4 dark:border-zinc-800 dark:bg-zinc-900">
+      <section className="rounded border-zinc-300 p-4 dark:border-zinc-800">
 	<div className="mb-3 flex items-center justify-between gap-3">
-	  <h2 className="font-bold">今の抽選重み</h2>
+	  <h2 className="font-bold">抽選重み</h2>
 	  <Button type="button" variant="outline" size="sm" onClick={() => void refreshWeights ()}>
 	    更新
 	  </Button>
 	</div>
 
-	<div className="grid gap-4 xl:grid-cols-3">
+	<div className="mx-4 grid gap-16 xl:grid-cols-3">
 	  <div>
-	    <h3 className="mb-2 text-sm font-bold">下がってゐるタグ</h3>
+	    <h3 className="mb-2 text-sm font-bold">出にくいタグ</h3>
 	    <div className="space-y-1 text-sm">
-	      {weights.tagPenalties.length === 0 ? (
-		  <div className="text-zinc-500">まだ減点はありません。</div>) : weights.tagPenalties.slice (0, 12).map (row => (
-		  <div key={row.tag.id} className="grid grid-cols-[minmax(0,1fr)_auto] items-baseline gap-2 text-left">
-		    <div className="min-w-0 text-left">
-		      <TagLink tag={row.tag} withCount={false}/>
-		    </div>
-		    <span className="font-mono">{row.penalty}</span>
-		  </div>))}
+	      {weights.tagPenalties.length === 0
+	       ? <div className="text-zinc-500">まだ減点はありません。</div>
+	       : (
+		  weights.tagPenalties.slice (0, 12).map (row => (
+		      <div
+			  key={row.tag.id}
+			  className="grid grid-cols-[minmax(0,1fr)_auto] items-baseline gap-2
+				     text-left">
+			<div className="min-w-0 text-left">
+			  <TagLink tag={row.tag} withCount={false}/>
+			</div>
+			<span className="font-mono">{row.penalty}</span>
+		      </div>)))}
 	    </div>
 	  </div>
 
@@ -710,14 +731,19 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
 	</Helmet>
 
 	<div className={cn (
-	    'grid min-h-full gap-4 overflow-visible p-3 md:h-full md:overflow-hidden',
-	    layoutMode === 'threeColumns' && 'md:grid-cols-[16rem_minmax(0,1fr)_22rem] xl:grid-cols-[18rem_minmax(0,1fr)_24rem]',
-	    layoutMode === 'tagsBottom' && 'md:grid-cols-[minmax(0,1fr)_22rem] xl:grid-cols-[minmax(0,1fr)_24rem]',
-	    layoutMode === 'commentsBottom' && 'md:grid-cols-[16rem_minmax(0,1fr)] xl:grid-cols-[18rem_minmax(0,1fr)]')}>
+	    'grid min-h-full gap-4 overflow-visible md:h-full md:overflow-hidden',
+	    (layoutMode === 'threeColumns'
+	     && ['md:grid-cols-[16rem_minmax(0,1fr)_22rem]',
+		 'xl:grid-cols-[18rem_minmax(0,1fr)_24rem]']),
+	    (layoutMode === 'tagsBottom'
+	     && 'md:grid-cols-[minmax(0,1fr)_22rem] xl:grid-cols-[minmax(0,1fr)_24rem]'),
+	    (layoutMode === 'commentsBottom'
+	     && 'md:grid-cols-[16rem_minmax(0,1fr)] xl:grid-cols-[18rem_minmax(0,1fr)]'))}>
 	  {layoutMode !== 'tagsBottom' && (
 	      <motion.aside
 		  layout="position"
-		  className="hidden min-w-0 space-y-4 md:order-none md:block md:overflow-y-auto md:[direction:rtl]">
+		  className="hidden min-w-0 space-y-4 md:order-none md:block md:overflow-y-auto
+			     md:[direction:rtl]">
 		<div className="md:[direction:ltr]">
 		  {tagPanel}
 		</div>
@@ -725,145 +751,143 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
 
 	  <motion.main
 	      layout="position"
-	      className={cn (
-		  'order-1 min-w-0 space-y-4 md:order-none md:overflow-y-auto',
-		  layoutMode === 'tagsBottom' && 'md:[direction:rtl]')}>
-	    <div className={cn (layoutMode === 'tagsBottom' && 'md:[direction:ltr]')}>
-	    <section className="overflow-hidden rounded border border-zinc-300 bg-white dark:border-zinc-800 dark:bg-zinc-900">
-	      <div className="flex flex-wrap items-center justify-between gap-3 border-b border-zinc-200 px-4 py-3 dark:border-zinc-800">
-		<div>
-		  <h1 className="text-lg font-bold">{theatreTitle}</h1>
-		  <p className="text-sm text-zinc-500 dark:text-zinc-400">
-		    同接 {theatreInfo.watchingUsers.length} 人
-		  </p>
-		</div>
-
-		<div className="flex flex-wrap gap-2">
-		  <div className="hidden flex-wrap gap-2 md:flex">
-		    {(Object.keys (LAYOUT_LABELS) as TheatreLayoutMode[]).map (mode => (
-			<Button
-			    key={mode}
-			    type="button"
-			    size="sm"
-			    variant={layoutMode === mode ? 'default' : 'outline'}
-			    onClick={() => changeLayoutMode (mode)}>
-			  {LAYOUT_LABELS[mode]}
-			</Button>))}
+	      className={cn ('order-1 min-w-0 space-y-4 md:order-none md:overflow-y-auto',
+			     layoutMode === 'tagsBottom' && 'md:[direction:rtl]')}>
+	    <div className={cn ('space-y-4', layoutMode === 'tagsBottom' && 'md:[direction:ltr]')}>
+	      <section className="overflow-hidden rounded border-zinc-300
+				  dark:border-zinc-800">
+		<div className="flex flex-wrap items-center justify-between gap-3
+				border-zinc-200 px-4 py-3 dark:border-zinc-800">
+		  <div>
+		    <h1 className="text-lg font-bold">{theatreTitle}</h1>
+		    <p className="text-sm text-zinc-500 dark:text-zinc-400">
+		      同接 {theatreInfo.watchingUsers.length} 人
+		    </p>
 		  </div>
 
-		  <Button
-		      type="button"
-		      size="sm"
-		      variant={skipVote.voted ? 'secondary' : 'destructive'}
-		      disabled={loading || !(post)}
-		      onClick={handleSkipVote}>
-		    {skipVote.voted ? 'スキップ取消' : 'スキップ'}
-		    {` ${ skipVote.votesCount } / ${ skipVote.requiredCount }`}
-		  </Button>
+		  <div className="flex flex-wrap gap-2">
+		    <div className="hidden flex-wrap gap-2 md:flex">
+		      {(Object.keys (LAYOUT_LABELS) as TheatreLayoutMode[]).map (mode => (
+			  <Button
+			      key={mode}
+			      type="button"
+			      size="sm"
+			      variant={layoutMode === mode ? 'default' : 'outline'}
+			      onClick={() => changeLayoutMode (mode)}>
+			    {LAYOUT_LABELS[mode]}
+			  </Button>))}
+		    </div>
 
-		</div>
-	      </div>
+		    <Button
+			type="button"
+			size="sm"
+			variant={skipVote.voted ? 'secondary' : 'destructive'}
+			disabled={loading || !(post)}
+			onClick={handleSkipVote}>
+		      {skipVote.voted ? 'スキップ取消' : 'スキップ'}
+		      {` ${ skipVote.votesCount } / ${ skipVote.requiredCount }`}
+		    </Button>
 
-	      <div className="flex justify-center bg-black">
-		{post ? (
-		    <PostEmbed
-			key={post.id}
-			ref={embedRef}
-			post={post}
-			onLoadComplete={info => {
-			  embedRef.current?.play ()
-			  setVideoLength (info.lengthInSeconds * 1_000)
-			}}
-			onMetadataChange={syncPlayback}
-			onError={handlePlaybackError}/>) : (
-		    <div className="grid min-h-72 place-items-center text-zinc-400">
-		      {loading ? '次の投稿を選んでゐます……' : '上映待機中'}
-		    </div>)}
-	      </div>
-
-	      <div className="flex flex-wrap items-center justify-between gap-3 px-4 py-3">
-		<div className="min-w-0">
-		  <div className="text-xs font-bold text-zinc-500 dark:text-zinc-400">
-		    再生中
 		  </div>
+		</div>
+
+		<div className="flex justify-center bg-black mx-4">
 		  {post ? (
-		      <PrefetchLink to={`/posts/${ post.id }`} className="font-bold hover:underline">
-			{post.title || post.url}
-		      </PrefetchLink>) : (
-		      <span className="text-zinc-500">未選択</span>)}
+		      <PostEmbed
+			  key={post.id}
+			  ref={embedRef}
+			  post={post}
+			  onLoadComplete={info => {
+			    embedRef.current?.play ()
+			    setVideoLength (info.lengthInSeconds * 1_000)
+			  }}
+			  onMetadataChange={syncPlayback}
+			  onError={handlePlaybackError}/>) : (
+		      <div className="grid min-h-72 place-items-center text-zinc-400">
+			{loading ? '次の投稿を選んでゐます……' : '上映待機中'}
+		      </div>)}
 		</div>
 
-		<Button
-		    type="button"
-		    size="sm"
-		    variant="outline"
-		    disabled={!(post)}
-		    onClick={() => post && setEditingPost (post)}>
-		  この投稿を編集
-		</Button>
-	      </div>
-		    </section>
+		<div className="flex flex-wrap items-center justify-between gap-3 px-4 py-3">
+		  <div className="min-w-0">
+		    <div className="text-xs font-bold text-zinc-500 dark:text-zinc-400">
+		      再生中
+		    </div>
+		    {post ? (
+			<PrefetchLink
+			    to={`/posts/${ post.id }`}
+			    className="font-bold hover:underline">
+			  {post.title || post.url}
+			</PrefetchLink>) : (
+			<span className="text-zinc-500">未選択</span>)}
+		  </div>
 
-	    {editingPost && (
-		<section className="rounded border border-amber-300 bg-amber-50 p-4 dark:border-amber-800 dark:bg-amber-950/30">
-		  <div className="mb-3 flex flex-wrap items-start justify-between gap-3">
-		    <div>
-		      <h2 className="font-bold">編集中の投稿</h2>
+		  {(post && canEditContent (user)) && (
+		      <Button
+			  type="button"
+			  size="sm"
+			  variant="outline"
+			  disabled={!(post)}
+			  onClick={() => post && setEditingPost (ep => ep ? null : post)}>
+			{editingPost ? '閉じる' : '編輯'}
+		      </Button>)}
+		</div>
+	      </section>
+
+	      {editingPost && (
+		  <section className="rounded border border-amber-300 bg-amber-50 mx-4 p-4
+				      dark:border-amber-800 dark:bg-amber-950/30">
+		    <div className="mb-3">
+		      <h2 className="font-bold">編輯中の投稿</h2>
 		      <p className="text-sm text-amber-900 dark:text-amber-100">
-			上映が次へ進んでも、このフォームは
 			<PrefetchLink
 			    to={`/posts/${ editingPost.id }`}
 			    className="mx-1 font-bold underline">
 			  {editingPost.title || editingPost.url}
 			</PrefetchLink>
-			に固定されます。
+			を編輯中……
 		      </p>
 		    </div>
 
-		    <Button type="button" variant="outline" size="sm" onClick={() => setEditingPost (null)}>
-		      閉じる
-		    </Button>
-		  </div>
+		    <PostEditForm
+			post={editingPost}
+			onSave={newPost => {
+			  setEditingPost (newPost)
+			  if (post?.id === newPost.id)
+			    setPost (newPost)
+			  void refreshWeights ()
+			}}/>
+		  </section>)}
 
-		  <PostEditForm
-		      post={editingPost}
-		      onSave={newPost => {
-			setEditingPost (newPost)
-			if (post?.id === newPost.id)
-			  setPost (newPost)
-			void refreshWeights ()
-		      }}/>
-		</section>)}
+	      <div className="md:hidden">
+		{commentsPanel}
+	      </div>
 
-	    <div className="md:hidden">
-	      {commentsPanel}
-	    </div>
+	      {layoutMode === 'commentsBottom' && (
+		  <div className="hidden md:block">
+		    {commentsPanel}
+		  </div>)}
 
-	    {layoutMode === 'commentsBottom' && (
-		<div className="hidden md:block">
-		  {commentsPanel}
-		</div>)}
+	      <div className="md:hidden">
+		{tagPanel}
+	      </div>
 
-	    <div className="md:hidden">
-	      {tagPanel}
-	    </div>
+	      {layoutMode === 'tagsBottom' && (
+		  <div className="hidden md:block">
+		    {tagPanel}
+		  </div>)}
 
-	    {layoutMode === 'tagsBottom' && (
-		<div className="hidden md:block">
-		  {tagPanel}
-		</div>)}
+	      {historyPanel}
+	      {weightsPanel}
 
-	    {historyPanel}
-	    {weightsPanel}
+	      <div className="md:hidden">
+		{participantsPanel}
+	      </div>
 
-	    <div className="md:hidden">
-	      {participantsPanel}
-	    </div>
-
-	    {layoutMode === 'commentsBottom' && (
-		<div className="hidden md:block">
-		  {participantsPanel}
-		</div>)}
+	      {layoutMode === 'commentsBottom' && (
+		  <div className="hidden md:block">
+		    {participantsPanel}
+		  </div>)}
 	    </div>
 	  </motion.main>
 
@@ -881,17 +905,24 @@ const TheatreDetailPage: FC<Props> = ({ user }: Props) => {
 
 const WeightRows: FC<{ rows: TheatrePostSelectionWeights['lightestPosts'] }> = ({ rows }) => (
     <div className="space-y-2 text-sm">
-      {rows.length === 0 ? (
-	  <div className="text-zinc-500">候補はありません。</div>) : rows.slice (0, 8).map (row => (
-	  <div key={row.post.id} className="border-t border-zinc-100 pt-2 first:border-t-0 first:pt-0 dark:border-zinc-800">
-	    <PrefetchLink to={`/posts/${ row.post.id }`} className="line-clamp-1 font-bold hover:underline">
-	      {row.post.title || row.post.url}
-	    </PrefetchLink>
-	    <div className="flex justify-between gap-2 text-xs text-zinc-500">
-	      <span>penalty {row.penalty}</span>
-	      <span>weight {row.weight.toFixed (3)}</span>
-	    </div>
-	  </div>))}
+      {rows.length === 0
+       ? <div className="text-zinc-500">候補はありません。</div>
+       : (
+	  rows.slice (0, 8).map (row => (
+	      <div
+		  key={row.post.id}
+		  className="border-zinc-100 pt-2 first:border-t-0 first:pt-0
+			     dark:border-zinc-800">
+		<PrefetchLink
+		    to={`/posts/${ row.post.id }`}
+		    className="line-clamp-1 font-bold hover:underline">
+		  {row.post.title || row.post.url}
+		</PrefetchLink>
+		<div className="flex justify-between gap-2 text-xs text-zinc-500">
+		  <span>penalty {row.penalty}</span>
+		  <span>weight {row.weight.toFixed (3)}</span>
+		</div>
+	      </div>)))}
     </div>)