Youtube 首页样式 by VisJoker

/* ==UserStyle==
@name           Youtube 首页样式
@namespace      youtube.com
@version        0.1
@description    Youtube 小缩略图
@author         VisJoker
@preprocessor 	stylus

@var number rowsHomePag 		'列数' [6, 1, 12, 1]
@var number horizontalM			'水平边距列' [8, 0, 200, 1, 'px']
@var number verticalM			'垂直边距行' [10, 0, 200, 1, 'px']
@var number fontSizeT 			'标题字体大小' [1.4, 1, 6, 0.1, 'rem']
@var number fontSizeM 			'元数据字体大小' [1.3, 1, 6, 0.1, 'rem']
@var number fontWeightT 		'标题字体权重' [500, 100, 900, 100]
@var number fontWeightM 		'元数据字体权重' [400, 100, 900, 100]
@var number thumbSizeS			'搜索页缩略图尺寸' [240, 50, 900, 1, 'px']

@var checkbox searchTwoColumns	'搜索页双列' 0
        
@var checkbox videoP			'鼠标悬停缩略图时隐藏视频预览' 0
        
@var select viewedVideo 		'观看视频模式' ['None', '灰度', '移除']
@var select viewedGrayS 		'观看视频灰度样式' ['Default', 'Thumbnail', 'Slider', 'ThumbSlider:Thumb+Slider']
@var range viewedGray			'观看视频灰度' [80, 0, 100, 1, '%']
        
@var range widthContH			'主页视频容器宽度' [100, 0, 100, 1, '%']
        
@var checkbox bloatH			'移除主页冗余内容（短片、横幅、调查等）' 0
@var checkbox mixPlaylist 		'移除混合播放列表' 0
@var checkbox recommendedVideos '搜索页移除推荐视频' 0

==/UserStyle== */
@-moz-document domain("youtube.com") {

	i=!important;

	/* Set columns */
	html {
		--ytd-rich-grid-item-margin: horizontalM i;
		--ytd-rich-grid-item-margin-row: verticalM i;
	}
	ytd-rich-grid-renderer, ytd-grid-video-renderer, ytd-grid-playlist-renderer.yt-horizontal-list-renderer {
		--ytd-rich-grid-items-per-row: rowsHomePag i;
	}
	ytd-grid-video-renderer, ytd-grid-playlist-renderer.yt-horizontal-list-renderer {
		--ytd-grid-video-width: calc(100% / var(--ytd-rich-grid-items-per-row) - var(--ytd-rich-grid-item-margin)) i;
		width: calc(100% / var(--ytd-rich-grid-items-per-row) - var(--ytd-rich-grid-item-margin)) i;
		
		& ytd-thumbnail, & ytd-playlist-thumbnail {
			width: 100% i;
			height: max-content i;
/* 			aspect-ratio: 16/9 i; */
			
			&::before {
				display: none i;
			}
			
			& #thumbnail, & #playlist-thumbnails, & ytd-playlist-video-thumbnail-renderer {
				position: relative i;
			}
		}
	}
	#scroll-container {
		width: 100% i;
		
		#items {
			width: 100% i;
		}
	}
	#contents.ytd-rich-grid-renderer {
		column-gap: var(--ytd-rich-grid-item-margin) i;
		row-gap: var(--ytd-rich-grid-item-margin-row) i;
		display: flex i;
	}
	ytd-rich-grid-row.style-scope.ytd-rich-grid-renderer,
	ytd-rich-grid-row.style-scope.ytd-rich-grid-renderer > #contents {
		display: contents i;
	}
	ytd-rich-grid-row ytd-rich-item-renderer {
		margin: 0 i;
		width: calc(100% / var(--ytd-rich-grid-items-per-row) - var(--ytd-rich-grid-item-margin)) i;
	}
	ytd-browse[page-subtype="home"] ytd-rich-grid-renderer {
		margin: 0 24px;
	}
	ytd-browse[page-subtype="home"] ytd-rich-section-renderer > #content {
		margin-inline: 0 i;
	}
	ytd-feed-filter-chip-bar-renderer[fluid-width] #chips-content.ytd-feed-filter-chip-bar-renderer {
		padding: 0;
	}
	/* VIDEOS CONTAINER HOME PAGE */
	ytd-two-column-browse-results-rendererv {
		width: widthContH i;
	}
	/* TITLE */
	#video-title.ytd-rich-grid-media,
	#video-title.ytd-radio-renderer,
	#video-title.ytd-video-renderer,
	#channel-title.ytd-channel-renderer,
	#video-title.ytd-playlist-renderer,
	#video-title.ytd-compact-video-renderer,
	#video-title.ytd-playlist-panel-video-renderer,
	ytd-grid-video-renderer #video-title.yt-simple-endpoint.ytd-grid-video-renderer {
		font-size: fontSizeT i;
		font-weight: fontWeightT i;
	}
	/* DETAILS */
	ytd-video-meta-block[rich-meta] #byline-container.ytd-video-meta-block,
	ytd-video-meta-block:not([inline-badges]) #metadata-line.ytd-video-meta-block span.ytd-video-meta-block,
	#contents #text.ytd-channel-name:has(a),
	#metadata-line,
	.metadata-snippet-container-one-line.ytd-video-renderer,
	.metadata-snippet-container.ytd-video-renderer,
	#metadata.ytd-channel-renderer,
	#description.ytd-channel-renderer,
	#video-title.ytd-child-video-renderer,
	#length.ytd-child-video-renderer,
	#channel-name.long-byline.ytd-video-meta-block,
	#byline.ytd-playlist-panel-video-renderer {
		font-size: fontSizeM i;
		font-weight: fontWeightM i;
	}
	/* SIZE THUMB VIDEOS SEARCH PAGE */
	ytd-radio-renderer {
		--ytd-thumbnail-max-width: 240px i;
		--ytd-thumbnail-min-width 240px i;
	}
	ytd-search :is(ytd-video-renderer[use-search-ui] ytd-thumbnail.ytd-video-renderer,
	ytd-playlist-renderer[is-search] ytd-playlist-thumbnail.ytd-playlist-renderer,
	#avatar-section.ytd-channel-renderer,
	ytd-video-renderer:not([use-search-ui]) ytd-thumbnail.ytd-video-renderer,
	ytd-thumbnail.ytd-radio-renderer,
	ytd-playlist-thumbnail.ytd-radio-renderer) {
		max-width: thumbSizeS i;
		min-width: thumbSizeS i;
	}
	/* TWO COLUMNS IN SEARCH PAGE */
	if searchTwoColumns {
		ytd-item-section-renderer.ytd-section-list-renderer > #contents.ytd-item-section-renderer,
		ytd-vertical-list-renderer.ytd-shelf-renderer > #items.ytd-vertical-list-renderer {
			display: flex i;
			flex-wrap: wrap i;
			gap: var(--ytd-item-section-item-margin, 16px) i;

			& > ytd-video-renderer,
			& > ytd-radio-renderer,
			& > ytd-playlist-renderer {
				flex: 1 0 calc((100% - var(--ytd-item-section-item-margin, 16px)) / 2) i;
				margin: 0 i;
				max-width: calc((100% - var(--ytd-item-section-item-margin, 16px)) / 2);
			}
			& > ytd-reel-shelf-renderer {
				max-width: 100%;
			}
		}
		ytd-vertical-list-renderer.ytd-shelf-renderer > #items.ytd-vertical-list-renderer {
			display: flex i;
			flex-wrap: wrap i;
			gap: var(--ytd-item-section-item-margin, 16px) i;

			& > ytd-video-renderer {
				flex: 1 0 calc((100% - var(--ytd-item-section-item-margin, 16px)) / 2) i;
				margin: 0 i;
			}
		}
	}
	/* VIDEO PREVIEW THUMBNAIL */
	if videoP {
		#video-preview.ytd-app {
			display: none i;
		}
	}
	if viewedVideo=='Grayscale' {
		/* VIEWED VIDEOS */
		if viewedGrayS=='Default' {
			/* CONTAINER VIDEO ITEM */
			:is(ytd-rich-item-renderer.style-scope.ytd-rich-grid-row, ytd-compact-video-renderer, ytd-playlist-panel-video-renderer, ytd-video-renderer):has(ytd-thumbnail-overlay-resume-playback-renderer) {
				filter: grayscale(viewedGray) i;
			}
		}
		if viewedGrayS=='Thumbnail' {
			/* THUMBNAIL */
			:is(ytd-rich-item-renderer.style-scope.ytd-rich-grid-row, ytd-compact-video-renderer, ytd-playlist-panel-video-renderer, ytd-video-renderer):has(ytd-thumbnail-overlay-resume-playback-renderer) yt-image.style-scope.ytd-thumbnail {
				filter: grayscale(viewedGray) i;
			}
		}
		if viewedGrayS=='Slider' {
			/* VIDEO VIEWED SLIDER */
			ytd-thumbnail-overlay-resume-playback-renderer {
				filter: grayscale(viewedGray) i;
			}
		}
		if viewedGrayS=='ThumbSlider' {
			/* CONTAINER THUMBNAIL */
			:is(ytd-rich-item-renderer.style-scope.ytd-rich-grid-row, ytd-compact-video-renderer, ytd-playlist-panel-video-renderer, ytd-video-renderer):has(ytd-thumbnail-overlay-resume-playback-renderer) #thumbnail {
				filter: grayscale(viewedGray) i;
			}
		}
	}
	if viewedVideo=='Remove' {
		:is(ytd-rich-item-renderer.style-scope.ytd-rich-grid-row, ytd-compact-video-renderer, ytd-playlist-panel-video-renderer, ytd-video-renderer):has(ytd-thumbnail-overlay-resume-playback-renderer) {
			display: none i;
		}
	}
	if bloatH {
		ytd-rich-grid-renderer > #contents.ytd-rich-grid-renderer > *:not(ytd-rich-item-renderer.style-scope.ytd-rich-grid-row, ytd-rich-grid-row, ytd-continuation-item-renderer),
		#big-yoodle {
			display: none i;
		}
	}
	/* RENIVE MIX PLAYLISTS */
	if mixPlaylist {
		ytd-radio-renderer {
			display: none i;
		}
	}
	/* REMOVE RECOMMENDED VIDEOS IN SEARCH PAGE */
	if recommendedVideos {
		ytd-item-section-renderer.ytd-section-list-renderer > #contents.ytd-item-section-renderer > ytd-shelf-renderer {
			display: none i;
		}
	}
}