From 00fb0e70cba72efc2c2f50d515b6e6f6358d0496 Mon Sep 17 00:00:00 2001
From: TGSAN <h@iloli.tv>
Date: Tue, 25 Jul 2023 00:29:06 +0800
Subject: [PATCH] Add more space between tabs, change floating tabs
 browser-frame-bgcolor value to lwt-accent-color, make rounded corners not
 default, hide the separator of adjacent tabs, remove active tab bold

---
 README.md                 | 18 ++++++++++--------
 chrome/global/browser.css |  4 ++--
 chrome/global/tweaks.css  | 10 ----------
 chrome/toolbar/navbar.css |  2 +-
 chrome/toolbar/tabbar.css |  9 +++++++--
 5 files changed, 20 insertions(+), 23 deletions(-)

diff --git a/README.md b/README.md
index 4fb04e9..24bbb4c 100644
--- a/README.md
+++ b/README.md
@@ -56,15 +56,17 @@ To disable a tweak, set the key to `false` or delete it, then restart the browse
 | ----------------------------- |
 | `uc.tweak.disable-drag-space` |
 
-| disable rounded corners            |
-| ---------------------------------- |
-| `uc.tweak.disable-rounded-corners` |
+| enable rounded corners     |
+| -------------------------- |
+| `uc.tweak.rounded-corners` |
 
-| enable Edge style floating tabs                                |
-| -------------------------------------------------------------- |
-| `uc.tweak.floating-tabs`                                       |
-| **OPTIONAL: Make the top and bottom margins of the tab equal** |
-| `uc.tweak.floating-tabs.equal-margin`                          |
+| enable Edge style floating tabs                                                                                  |
+| ---------------------------------------------------------------------------------------------------------------- |
+| `uc.tweak.floating-tabs`                                                                                         |
+| **OPTIONAL1: Make the top and bottom margins of the tab equal**                                                  |
+| `uc.tweak.floating-tabs.equal-margin`                                                                            |
+| **OPTIONAL2: Hide the separator of adjacent tabs (need to wait for Firefox support, or forced enable with bug)** |
+| `layout.css.has-selector.enabled`                                                                                |
 
 | enable Mica toolbar background *(Windows 11 only)*                  |
 | ------------------------------------------------------------------- |
diff --git a/chrome/global/browser.css b/chrome/global/browser.css
index 26326be..b5572ae 100644
--- a/chrome/global/browser.css
+++ b/chrome/global/browser.css
@@ -2,7 +2,7 @@
 
 @supports (-moz-bool-pref("uc.tweak.floating-tabs")) {
   :root {
-    --browser-frame-bgcolor: transparent;
+    --browser-frame-bgcolor: var(--lwt-accent-color);
   }
 }
 
@@ -12,7 +12,7 @@
   }
 }
 
-@supports (not -moz-bool-pref("uc.tweak.disable-rounded-corners")) {
+@supports (-moz-bool-pref("uc.tweak.rounded-corners")) {
   :root #browser>#appcontent {
     margin: 0px 3px 3px 3px;
     border-radius: 8px;
diff --git a/chrome/global/tweaks.css b/chrome/global/tweaks.css
index f63250c..e9550f1 100644
--- a/chrome/global/tweaks.css
+++ b/chrome/global/tweaks.css
@@ -89,16 +89,6 @@ bugs with certain themes eg. dark text on dark background.) */
     outline-offset: -1px !important;
   }
 
-  .tabbrowser-tab[selected] .tab-label {
-    font-weight: 500 !important;
-  }
-
-  @media (-moz-platform: windows) {
-    .tabbrowser-tab[selected] .tab-label {
-      font-weight: 600 !important;
-    }
-  }
-
   /* adjust spacing of area above tabs */
   @media not (-moz-platform: macos) {
     :root[sizemode="maximized"] #titlebar {
diff --git a/chrome/toolbar/navbar.css b/chrome/toolbar/navbar.css
index 3a2299e..cb6aba3 100644
--- a/chrome/toolbar/navbar.css
+++ b/chrome/toolbar/navbar.css
@@ -27,7 +27,7 @@
   padding: var(--toolbarbutton-inner-padding) var(--uc-toolbarbutton-inner-inline-padding) !important;
 }
 
-@supports (not -moz-bool-pref("uc.tweak.disable-rounded-corners")) {
+@supports (-moz-bool-pref("uc.tweak.rounded-corners")) {
   #navigator-toolbox {
     border-bottom: none !important;
   }
diff --git a/chrome/toolbar/tabbar.css b/chrome/toolbar/tabbar.css
index 886d2f0..50ffcda 100644
--- a/chrome/toolbar/tabbar.css
+++ b/chrome/toolbar/tabbar.css
@@ -315,7 +315,7 @@ toolbarbutton[part="scrollbutton-down"] {
 
 /* tab separators */
 .tabbrowser-tab:not([last-visible-tab="true"]) {
-  margin-inline-end: -1px !important;
+  margin-inline-end: 3px !important;
 }
 
 .tabbrowser-tab:not([selected="true"], :hover, [beforeselected-visible], [beforehovered]) .tab-stack::after {
@@ -323,11 +323,16 @@ toolbarbutton[part="scrollbutton-down"] {
   position: absolute;
   display: block;
   height: 20px;
-  right: 0;
+  right: -1px;
   top: 6px;
   border-right: 1px solid color-mix(in srgb, currentColor 34%, transparent);
 }
 
+/* need layout.css.has-selector.enabled */
+.tabbrowser-tab:has(+ .tabbrowser-tab:is([selected="true"], :hover, [beforeselected-visible], [beforehovered])) .tab-stack::after {
+  display: none;
+}
+
 #tabbrowser-tabs[haspinnedtabs]:not([positionpinnedtabs])>#tabbrowser-arrowscrollbox>.tabbrowser-tab[first-visible-unpinned-tab] {
   margin-inline-start: 0 !important;
 }