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Better CtrlTab Panel v3 #1955

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3422881
Better CtrlTab Panel v3
psu Mar 30, 2026
cca561e
Merge branch 'main' into better-ctrltab-panel-3.0
psu Mar 30, 2026
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140 changes: 89 additions & 51 deletions themes/72f8f48d-86b9-4487-acea-eb4977b18f21/chrome.css
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Original file line number Diff line number Diff line change
Expand Up @@ -3,44 +3,68 @@
* Re-style and add customization options for the Ctrl+Tab panel.
* Pontus Sundén <hi@pontus.cc>
*/

@-moz-document url-prefix("chrome:") {
:root {
/**
--psu-better_ctrltab-roundness: 50px;
--psu-better_ctrltab-padding: 35px;
--psu-better_ctrltab-zoom: .8;
--psu-better_ctrltab-roundness: 40px;

--psu-better_ctrltab-padding: 25px;
--psu-better_ctrltab-background: light-dark(rgba(146, 145, 144, 0.94), rgba(24, 23, 22, 0.94));
--psu-better_ctrltab-shadow_size: 15px;
--psu-better_ctrltab-panel_border_color: transparent;
--psu-better_ctrltab-panel_border_width: 0px;

--psu-better_ctrltab-background: light-dark(rgba(146, 145, 144, 0.94), rgba(24, 23, 22, 0.94));
--psu-better_ctrltab-shadow_size: 20px;
--psu-better_ctrltab-panel_maxwidth: 2000px;
--psu-better_ctrltab-panel_vertical_position: -50px;

--psu-better_ctrltab-preview_padding: 30px;
--psu-better_ctrltab-preview_border_width: 1px;
--psu-better_ctrltab-preview_border_color: light-dark(rgba(253, 255, 254, 0.1), rgba(83, 82, 79, 0.2));
--psu-better_ctrltab-preview_focus_background: light-dark(rgba(77, 76, 78, 0.8), rgba(184, 185, 183, 0.18));
--psu-better_ctrltab-preview_focus_background: light-dark(rgba(77, 76, 78, 0.8), rgba(184, 185, 183, 0.3));

--psu-better_ctrltab-preview_padding: 20px;
--psu-better_ctrltab-preview_border_color: light-dark(rgba(253, 255, 254, 0.1), rgba(83, 82, 79, 0.2));
--psu-better_ctrltab-preview_border_width: 1px;

--psu-better_ctrltab-preview_text_color: inherit;
--psu-better_ctrltab-preview_font_size: 13px;
--psu-better_ctrltab-preview_letter_spacing: 0px;
--psu-better_ctrltab-preview_font_family: inherit;
--psu-better_ctrltab-preview_font_weight: inherit;
--psu-better_ctrltab-preview_label_overflow: 0.5;
--psu-better_ctrltab-preview_letter_spacing: 0px;

--psu-better_ctrltab-preview_favicon_size: 36px;
--psu-better_ctrltab-preview_favicon_size: 36px;
--psu-better_ctrltab-preview_favicon_outdent: 12px;
--psu-better_ctrltab-preview_favicon_background: transparent;
--psu-better_ctrltab-preview_favicon_padding: 2px;
/**/

/* helpers */
--psu-zoom-invert: pow(var(--psu-better_ctrltab-zoom), -1);
--psu-roundness-zoomed: calc(var(--psu-better_ctrltab-roundness) * var(--psu-better_ctrltab-zoom));
--psu-bct-favicon-size: calc(var(--psu-better_ctrltab-preview_favicon_size) + var(--psu-better_ctrltab-preview_favicon_padding) * 2);
--psu-bct-preview-roundness: calc(var(--psu-better_ctrltab-roundness) * 0.8);
--psu-bct-canvas-roundness: calc(var(--psu-bct-preview-roundness) * 0.8 - var(--psu-better_ctrltab-preview_padding) * 0.33);
--psu-bct-canvas-aspect-ratio: calc(250/170);
--psu-bct-horizontal-padding: calc(var(--psu-better_ctrltab-padding) * 1.1);
--psu-bct-panel-margin: var(--psu-better_ctrltab-shadow_size);
--psu-bct-panel-shadow-color: rgba(1, 1, 4, 0.2);
--psu-bct-label-margin: calc((var(--psu-better_ctrltab-preview_border_width) + var(--psu-better_ctrltab-preview_padding)) * var(--psu-better_ctrltab-preview_label_overflow) * -1);
}

#ctrlTab-panel {
/* panel styling */
--panel-border-radius: var(--psu-roundness-zoomed) !important;
--panel-shadow: 0 0 var(--psu-better_ctrltab-shadow_size) calc(var(--psu-better_ctrltab-shadow_size) / 3) rgba(1, 1, 4, 0.2) !important;
--panel-background: var(--psu-better_ctrltab-background) !important;
--panel-padding: 0 !important;
/* reset */
--panel-background: none !important;
--panel-shadow: none !important;
--panel-border-color: none !important;
--panel-shadow-margin: 0 !important;
margin: 0 !important;
padding: 0 !important;
background-color: unset !important;

/* panel zoom adjust size */
--psu-default_spacing: 10%;
/* panel */
margin-top: var(--psu-better_ctrltab-panel_vertical_position) !important;
--panel-color: var(--psu-better_ctrltab-preview_text_color) !important;
--panel-border-radius: var(--psu-better_ctrltab-roundness) !important;
--panel-padding: calc(var(--psu-bct-panel-margin) * 1.5) var(--psu-bct-panel-margin) !important;

/* conunt items */
--psu-tile-counter: 0;
&:has(.ctrlTab-preview:nth-child(1):not([hidden])) {
--psu-tile-counter: 1;
Expand All @@ -62,32 +86,40 @@
}
&:has(.ctrlTab-preview:nth-child(7):not([hidden])) {
--psu-tile-counter: 7;
--psu-default_spacing: 7%;
}
--panel-shadow-margin: var(--psu-better_ctrltab-shadow_size)
calc(
/* decrease by default non-css space */ var(--psu-default_spacing) + (90% - var(--psu-default_spacing)) / 2 * (1 - var(--psu-better_ctrltab-zoom)) -
(
/* increase by tile padding and borders */ ((var(--psu-better_ctrltab-preview_padding) * 2 + var(--psu-better_ctrltab-preview_border_width) * 2) * var(--psu-tile-counter)) / 2
/* increase by panel padding */ + (var(--psu-better_ctrltab-padding) * 0.8)
) * var(--psu-better_ctrltab-zoom)
) !important;

/* reverese engineer important measurements */
--psu-bct-panel-width: min(var(--psu-tile-counter) * 311.25px, var(--psu-better_ctrltab-panel_maxwidth));
--psu-bct-preview-width: calc(
((var(--psu-bct-panel-width) - var(--psu-bct-panel-margin) * 2 - var(--psu-bct-horizontal-padding) * 2 - var(--psu-better_ctrltab-panel_border_width) * 2) / var(--psu-tile-counter)) -
var(--psu-better_ctrltab-preview_padding) * 2 - var(--psu-better_ctrltab-preview_border_width) * 2
);
--psu-bct-preview-height: calc(var(--psu-bct-preview-width) / var(--psu-bct-canvas-aspect-ratio));
--psu-bct-panel-height: calc(
var(--psu-bct-preview-height) + var(--psu-better_ctrltab-panel_border_width) * 2 + var(--psu-better_ctrltab-padding) * 2 + var(--psu-better_ctrltab-preview_padding) * 2 +
var(--psu-better_ctrltab-preview_border_width) * 2 + var(--psu-better_ctrltab-preview_font_size)
);

#ctrlTab-previews {
/* panel zoom and padding*/
zoom: var(--psu-better_ctrltab-zoom) !important;
padding: var(--psu-better_ctrltab-padding) calc(var(--psu-better_ctrltab-padding) * 0.8) !important;
margin: 0 auto !important;
padding: var(--psu-better_ctrltab-padding) var(--psu-bct-horizontal-padding) !important;
background: var(--psu-better_ctrltab-background) !important;
border-radius: var(--psu-better_ctrltab-roundness) !important;
box-shadow: 0 0 var(--psu-better_ctrltab-shadow_size) calc(var(--psu-better_ctrltab-shadow_size) / 3) var(--psu-bct-panel-shadow-color) !important;
border-style: solid;
border-color: var(--psu-better_ctrltab-panel_border_color);
border-width: var(--psu-better_ctrltab-panel_border_width);

.ctrlTab-preview {
margin: 0 !important;
padding: 0 !important;
border-radius: calc(var(--psu-roundness-zoomed) * 0.8) !important;
border-radius: var(--psu-bct-preview-roundness) !important;

/* previews styling */
.ctrlTab-preview-inner {
margin: 0 !important;
padding: calc(var(--psu-better_ctrltab-preview_padding) + var(--psu-better_ctrltab-preview_border_width)) !important;
border-radius: calc(var(--psu-roundness-zoomed) * 0.8) !important;
border-radius: var(--psu-bct-preview-roundness) !important;
padding-bottom: calc(var(--psu-better_ctrltab-preview_padding) / 2) !important;
border: none !important;
text-shadow: 0.5px 0.5px 0px light-dark(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
Expand All @@ -99,31 +131,37 @@
.ctrlTab-canvas,
img,
canvas {
border-radius: calc(var(--psu-roundness-zoomed) * 0.25) !important;
border-radius: var(--psu-bct-canvas-roundness) !important;
height: var(--psu-bct-preview-height) !important;
width: var(--psu-bct-preview-width) !important;
}

/* label styling */
.ctrlTab-label {
font-size: calc(var(--psu-better_ctrltab-preview_font_size) * var(--psu-zoom-invert)) !important;
letter-spacing: calc(var(--psu-better_ctrltab-preview_letter_spacing) * var(--psu-zoom-invert));
margin: 0 calc(var(--psu-better_ctrltab-preview_border_width) * -1) !important;
font-size: var(--psu-better_ctrltab-preview_font_size) !important;
letter-spacing: var(--psu-better_ctrltab-preview_letter_spacing) !important;
font-family: var(--psu-better_ctrltab-preview_font_family) !important;
font-weight: var(--psu-better_ctrltab-preview_font_weight) !important;
margin: 0 var(--psu-bct-label-margin) !important;
padding: 0 !important;
}

/* favicon styling and position */
.ctrlTab-favicon-container image {
height: var(--psu-better_ctrltab-preview_favicon_size) !important;
width: var(--psu-better_ctrltab-preview_favicon_size) !important;
box-shadow: none !important;
background: none !important;
position: absolute !important;
padding: 0 !important;
margin: 0 !important;
margin-right: calc(var(--psu-better_ctrltab-preview_favicon_outdent) * -1) !important;
margin-top: calc(
(var(--psu-better_ctrltab-preview_padding) / 2 + var(--psu-better_ctrltab-preview_border_width)) * -1 - var(--psu-better_ctrltab-preview_favicon_size) +
var(--psu-better_ctrltab-preview_favicon_outdent) * 0.8
) !important;
.ctrlTab-favicon-container {
image {
height: var(--psu-bct-favicon-size) !important;
width: var(--psu-bct-favicon-size) !important;
box-shadow: none !important;
background: var(--psu-better_ctrltab-preview_favicon_background) !important;
position: absolute !important;
padding: var(--psu-better_ctrltab-preview_favicon_padding) !important;
margin: 0 !important;
margin-right: calc(var(--psu-better_ctrltab-preview_favicon_outdent) * var(--psu-bct-canvas-aspect-ratio) * -1) !important;
margin-top: calc(
(var(--psu-better_ctrltab-preview_padding) / 2 + var(--psu-better_ctrltab-preview_border_width)) * -1 - var(--psu-bct-favicon-size) +
(var(--psu-better_ctrltab-preview_favicon_outdent) * pow(var(--psu-bct-canvas-aspect-ratio), -1))
) !important;
}
}

/* focused bg styling */
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