colourful modern list (adapted from Clarity)

/* Change names of anime categories (with icons) */
.status-button.all_anime:before {content: "\f708  All";}
.status-button.watching:before {content: "\f726  Watching";}
.status-button.completed:before {content: "\f578  Completed";}
.status-button.onhold:before {content: "\e2f5  On Hold";}
.status-button.dropped:before {content: "\e32b  Dropped";}
.status-button.plantowatch:before {content: "\e306  Plan to Watch";}

/* Change names of manga categories (with icons) */
body.manga .status-button.all_anime:before {content: "\f708  All";}
.status-button.reading:before {content: "\f726  Reading";}
body.manga .status-button.completed:before {content: "\f578  Completed";}
body.manga .status-button.onhold:before {content: "\e2f5  On Hold";}
body.manga .status-button.dropped:before {content: "\e32b  Dropped";}
.status-button.plantoread:before {content: "\e306  Plan to Read";}

/* Change length of categories */
body.anime .status-menu .status-button:before {font-size: 24.1px;}
body.manga .status-menu .status-button:before {font-size: 25.4px;}

/* Wallpaper cover (with animation) (200px) ('Watching' only) */
[data-query*="status\":1"] .cover-block, [data-query*="status\":1"] .header {height: 200px;}
[data-query*="status\":1"] .cover-block:before {
	animation: wallpaper 7.5s ease-in-out infinite;
	background: url(https://i.imgur.com/MQoBKpF.png) center 50%/cover;
	height: 200px; }
[data-query*="status\":1"] .header .header-menu {top: 164px !important;}
[data-query*="status\":1"] .header .header-title {margin-top: 100px;}
[data-query*="status\":1"] .list-table > tbody:first-of-type {top: 272px !important;}

@keyframes wallpaper {
	0%, 100% {transform: scale(1);}
	50% {transform: scale(1.1);}}

/* Wallpaper cover (with animation) (300px) (All categories) */
.cover-block, .header {height: 300px;}
.cover-block:before {
	animation: wallpaper 7.5s ease-in-out infinite;
	background: url(https://i.imgur.com/MQoBKpF.png) center 50%/cover;
	height: 300px; }
.header .header-menu {top: 264px !important;}
.header .header-title {margin-top: 200px;}
.list-table > tbody:first-of-type {top: 372px !important;}

@keyframes wallpaper {
	0%, 100% {transform: scale(1);}
	50% {transform: scale(1.1);}}

/* Increase cover size by 10% (Guchuko 6+) */
.list-table {gap: 59px 51px;margin-top: 24.5px;}
.list-unit .list-status-title .stats {right: -6px;} /* 'Stats' & 'Filter' buttons */
.list-table > tbody:first-of-type {margin-left: 980px;} /* 'Sort' button */
.list-unit .list-stats {margin-bottom: 32px;} /* Stats */
.list-table-data {transform: scale(1.1);} /* Covers */
.list-table-data:hover {transform: rotate3d(0,0,1,-1deg) scale(1.2);}
.more-info {position: relative;top: 12px;left: -9.5px;transform: scale(1.1);}
footer {margin-top: 45.5px;}

/* Cover replacements */
.data.title [href^="/anime/1/"]:before {background-image: url(https://i.imgur.com/7gJMRO8.png);} /* Cowboy Bebop */

add the below code to the bottom of the main theme code.

/* Dark mode */
:root {
	--bg: #323232; /* 255 -> 50 */
	--text: #7d7d7d; /* 65 -> 125 */
	--light: #414141; /* 235 -> 65 */
	--gray: #7d7d7d; /* 165 -> 125 */
	--border: #6e6e6e; /* 188 -> 110 */
	--bg-alt: #414141; /* 255 -> 65 */
	--text-alt: #ffffff; /* 65 -> 255 */
	--upper: #414141; /* 235 -> 65 */
	--lower: #323232; /* 245 -> 50 */
	--alpha: 50,50,50; /* 255 -> 50 */
}

/* Dark mode (Various) */
body:before {background: url(https://i.imgur.com/HyyYpii.png) top/400px, var(--bg) !important;} /* Main background */
.cover-block {filter: brightness(0.9);} /* Darken patterns */
.list-table-data:hover .data.tags textarea,
.list-table-data:hover .notes textarea,
.notes .text:hover {transform: scaleX(1.002) scaleY(1.004);} /* Fix for card tilt */
#advanced-options [class*="-widget"] select {background-image: url(https://i.imgur.com/eYovmyv.png);} /* Dropdown arrow */
.data.tags a[href$="tag=!%3F"] {filter: invert(1);} /* '!?' tag */
.more-content, .more-content:before {opacity: .95;}
#advanced-options .advanced-options-button a {
	background: var(--bg-accent);
	border-color: white;
	color: white; } /* 'Apply' & 'Clear' buttons (Filter popup) */
#fancybox-wrap[style*="320px;"] #fancybox-outer {background: var(--bg) !important;} /* Progress popup */
#fancybox-wrap[style*="320px;"] input[type="button"]:hover {border-color: white;}

/* Dark mode (Add detail to blacks) */
.status-menu-container, .header .header-title, .header .icon-menu, .header-info,
.list-menu-float .icon-menu:not(.profile, .setting), .list-menu-float .icon-menu.setting:after,
[data-owner=""] .list-menu-float .icon-menu.profile, .icon-menu.setting .text a, .stats a,
.list-table > tbody:first-of-type:after, .list-table-header .header-title a,
.list-table[data-items="[]"]:after,
.list-table-data, .list-table-data:after, .list-table-data:before,
#advanced-options .sort-widget input[type=radio]:not(:disabled) + label,
#advanced-options:before, #advanced-options .filter, #advanced-options .sort,
#fancybox-wrap[style*="320px;"] #fancybox-outer, .add-edit-more span a,
.data.tags textarea, .notes textarea, .data.score select,
.data.progress input, #footer-block:after {
	background-image: url(https://i.imgur.com/ePA5yC8.png) !important;
	background-size: 200px 200px !important; }