/*** Proton Tabs Tweaks ***/

/* Adjust tab corner shape, optionally remove space below tabs */

#tabbrowser-tabs {
    --user-tab-rounding: 0px;
}

.tab-background {
    border-radius: var(--user-tab-rounding) var(--user-tab-rounding) 0px 0px !important; /* Connected */
    margin-block: 1px 0 !important; /* Connected */
}
#scrollbutton-up, #scrollbutton-down { /* 6/10/2021 */
    border-top-width: 1px !important;
    border-bottom-width: 0 !important;
}

/* 1/16/2022 Tone down the Fx96 tab border with add-on themes in certain fallback situations */
.tab-background:is([selected], [multiselected]):-moz-lwtheme {
    --lwt-tabs-border-color: rgba(0, 0, 0, 0.5) !important;
    border-bottom-color: transparent !important;
}
[brighttext="true"] .tab-background:is([selected], [multiselected]):-moz-lwtheme {
    --lwt-tabs-border-color: rgba(255, 255, 255, 0.5) !important;
    border-bottom-color: transparent !important;
}

/* Container color bar visibility */
.tabbrowser-tab[usercontextid] > .tab-stack > .tab-background > .tab-context-line {
    margin: 0px max(calc(var(--user-tab-rounding) - 3px), 0px) !important;
}

/* Override Normal Density height to Compact Density height only for tabs */

#TabsToolbar, #tabbrowser-tabs {
    --tab-min-height: 29px !important;
}
/* Tweak for covering a line at the bottom of the active tab on some themes 8/11/2021 */
#main-window[sizemode="normal"] #toolbar-menubar[autohide="true"] + #TabsToolbar, 
#main-window[sizemode="normal"] #toolbar-menubar[autohide="true"] + #TabsToolbar #tabbrowser-tabs {
    --tab-min-height: 30px !important;
}
#scrollbutton-up,
#scrollbutton-down {
    border-top-width: 0 !important;
    border-bottom-width: 0 !important;
}

/* [Connected Tabs] Set a max height based on min-height plus margin-block: 1px 0 */
#TabsToolbar, #TabsToolbar > hbox, #TabsToolbar-customization-target, #tabbrowser-arrowscrollbox  {
    max-height: calc(var(--tab-min-height) + 1px) !important;
}
/* [Connected Tabs] Adjust padding around icons on buttons to avoid crushed images */
#TabsToolbar-customization-target toolbarbutton > .toolbarbutton-icon, 
#TabsToolbar-customization-target .toolbarbutton-text, 
#TabsToolbar-customization-target .toolbarbutton-badge-stack,
#scrollbutton-up,#scrollbutton-down {
    padding-top: 7px !important;
    padding-bottom: 6px !important;
}

/* Tweak Options as of 1/12/2022; Generated Thu Oct 27 2022 22:16:07 GMT+0200 (Central European Summer Time) */
.tabbrowser-tab:not([pinned]):not(:hover) .tab-close-button { visibility: collapse !important; }
.tabbrowser-tab:not([pinned]):hover .tab-close-button { visibility: visible !important; display: block !important; }