ul#sidebar-group > li > button > div:first-child,

ul#sidebar-group > li > a > div:first-child {

background: transparent !important;

border: 0 !important;

box-shadow: none !important;

padding: 0 !important;

}

ul#sidebar-group > li > button > img,

ul#sidebar-group > li > button > div:first-child > img,

ul#sidebar-group > li > a > div:first-child > img {

/* AppIcon-like shell */

border: 1px solid transparent !important;

border-radius: 30% !important;

padding: 2px;

display: block;

box-sizing: content-box;

background:

linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%) padding-box,

linear-gradient(135deg, #cbd5e1 0%, #94a3b8 52%, #cbd5e1 100%) border-box !important;

box-shadow:

0 2px 6px rgba(15, 23, 42, 0.18),

inset 0 0 0 1px rgba(255, 255, 255, 0.55);

}

html.dark ul#sidebar-group > li > button > img,

html.dark ul#sidebar-group > li > button > div:first-child > img,

html.dark ul#sidebar-group > li > a > div:first-child > img,

:root[data-theme="dark"] ul#sidebar-group > li > button > img,

:root[data-theme="dark"] ul#sidebar-group > li > button > div:first-child > img,

:root[data-theme="dark"] ul#sidebar-group > li > a > div:first-child > img {

border: 1px solid transparent !important;

/* Use inverted shell colors so post-filter background stays blue */

background:

linear-gradient(135deg, #e9cfaf 0%, #f6f3ee 100%) padding-box,

linear-gradient(135deg, #b18a67 0%, #f2dcc2 52%, #b18a67 100%) border-box !important;

box-shadow:

0 6px 14px rgba(245, 186, 104, 0.22),

inset 0 0 0 1px rgba(0, 0, 0, 0.1);

filter: invert(1);

}