Proton Mail Carbon Editor Theme + customizations by breat

/* ==UserStyle==
@name           Proton Mail Carbon Editor Theme + customizations
@description    Carbon theme in Proton Mail is beautiful but not complete, so i fix this.
@version        2.0.4
@author         BreatFR
@namespace      https://gitlab.com/breatfr
@homepageURL    https://gitlab.com/breatfr/proton-mail
@supportURL     https://discord.gg/Q8KSHzdBxs
@license        AGPL-3.0-or-later; https://www.gnu.org/licenses/agpl-3.0.txt
@preprocessor   stylus

@var    checkbox    carbontheme "Fix Carbon Theme"                          1
@var    checkbox    meterbar    "Fix Meter bar colors"                      1
@var    checkbox    fixtop      "Fix Space Top"                             1
@var    checkbox    hidelabels  "Hide Labels"                               1
@var    checkbox    hideleftnav "Hide Left Nav Icon"                        1
@var    checkbox    hideless    "Hide Less Toggle"                          1
@var    checkbox    hideoffer   "Hide Special Offer"                        1
@var    checkbox    hidetips    "Hide Tips"                                 1
@var    checkbox    nospace     "No space between all messages and folders" 1
==/UserStyle== */

/* === Credits ===
Website        https://breat.fr
facebook       https://www.facebook.com/breatfroff
mastodon       https://mastodon.social/@breat_fr
telegram       https://t.me/breatfr
vk             https://vk.com/breatfroff
X (twitter)    https://x.com/breatfroff
=== Credits === */

@-moz-document domain("account.proton.me"), domain("mail.proton.me") {
    if meterbar {
        .meter-bar-thumb--success {
            --meter-bar-thumb-color-success: var(--signal-success);
        }
        .meter-bar-thumb--warning {
            --meter-bar-thumb-color-warning: var(--signal-warning);
        }
        .meter-bar-thumb--danger {
            --meter-bar-thumb-color-danger: var(--signal-danger);
        }
    }
    
    if fixtop {
        .app-root {
            margin-bottom: 0 !important;
        }
    }
    
    if hideleftnav {
        .sidebar-collapse-button-container--above-scroll {
            display: none;
        }
    }
    
    if hidelabels {
        ul.unstyled.navigation-list > li:has([data-shortcut-target="toggle-labels"]) {
            display: none;
        }
        ul.unstyled.navigation-list:last-child {
            padding-bottom: 0;
        }
    }
    
    if hideless {
        ul.unstyled.navigation-list > div:nth-of-type(5) {
            display: none;
        }
    }
    
    if hideoffer {
        [data-testid="cta:special-offer"] {
            display: none;
        }
    }
    
    if hidetips {
        .tip-box {
            display: none;
        }
    }
    
    if nospace {
        ul.unstyled.navigation-list > li:nth-of-type(1) {
            margin-top: 0;
        }
    }
    
    if carbontheme {
        #proton-editor-container,
        #proton-editor-toggle-container,
        #proton-root,
        #proton-root *,
        #rooster-editor,
        #rooster-editor div,
        #rooster-editor p,
        .composer-content--rich-edition,
        .message-content,
        .message-iframe *,
        .protonmail_quote,
        blockquote div,
        blockquote *,
        iframe {
            background-color: var(--email-message-view-background-color) !important;
            color: var(--text-norm) !important;
        }

        blockquote {
            border-bottom-color: #444444 !important;
            border-left: 3px solid #444444 !important;
            border-right-color: #444444 !important;
            border-top-color: #444444 !important;
        }

        #ellipsis > svg {
            stroke: var(--text-norm) !important;
        }

        /* Signature color */
        .protonmail_signature_block-user,
        .protonmail_signature_block-user table div,
        .protonmail_signature_block-proton {
            color: var(--text-norm) !important;
        }

        /* Link color */
        #rooster-editor a,
        .protonmail_signature_block-user a,
        .protonmail_signature_block-proton a {
            color: #657ee4 !important;
        }
        
        /* Message list */
        .items-column-list-inner--mail {
            background-color: var(--email-message-view-background-color) !important;
        }
        .item-container:hover {
            box-shadow: var(--shadow-raised);
        }
        .item-container.read {
            background-color: var(--email-message-view-background-color) !important;
            color: var(--email-item-read-text-color) !important;
        }
        .item-container.unread {
            background-color: var(--email-item-unread-background-color) !important;
            color: var(--email-item-unread-text-color) !important;
        }
        .item-container.item-is-selected {
            background-color: var(--email-item-selected-background-color) !important;
            color: var(--email-item-selected-text-color) !important;
        }
        
        /* Settings */
        .quickSettings,
        .quickSettings .footer,
        .quickSettings .header--drawer {
            background-color: var(--email-message-view-background-color) !important;
        }
    }
}