input[type=radio].ms-ribbon-radio,
.ms-ribbon > ul input[type=radio] {
    position: absolute;
    visibility: hidden;
    top: -9999px;
    left: -9999px;
}

.ms-ribbon {
    padding-left: 10px;
    display: flex;
    align-items: center;
    background-color: var(--app-theme-bg);
    position: fixed; /* Changed from unset to fixed */
    top: 0; /* Position it at the top of the viewport */
    left: 0; /* Ensure it spans from the left edge of the viewport */
    width: 100%; /* Make sure it spans the full width */
    z-index: 1000; /* Adjust the z-index to ensure it stays on top */
}

    .ms-ribbon > ul {
        flex: 1;
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .ms-ribbon > a {
        margin-left: auto;
        padding: 0 10px;
        cursor: pointer;
    }

    .ms-ribbon > ul .ribbon-button {
        color: #404040 !important;
        margin-left: 3px;
        margin-right: 3px;
    }

    .ms-ribbon .ribbon-empty {
        width: calc(100% - 10px);
        position: absolute;
        left: 240px;
        height: 2px;
        overflow: hidden;
        min-width: 500px;
        z-index: 30;
        border-bottom: 1px solid rgba(72, 94, 144, 0.16);
    }

@media only screen and (min-width: 768px) {
    .ms-window-title {
        text-align: center;
        color: #000;
        padding: 12px 0 0 0;
        font-size: 10pt;
        display: block;
        font-weight: normal;
    }

    .ms-ribbon > ul {
        float: none;
        list-style: none;
        /*font-family: "Segoe UI", Verdana, Tahoma, Helvetica, sans-serif;*/
        padding: 0;
        font-size: 8pt;
    }

        .ms-ribbon > ul li {
            float: left;
            height: 29px;
        }

        .ms-ribbon > ul .tab {
            display: block;
            padding: 5px 10px;
            border-radius: 4px 4px 0 0;
            font-weight: normal;
            cursor: pointer;
            font-size: 9pt;
            color: var(--app-theme-fg);
            margin: -1px 4px;
            position: relative;
            border: 1px solid rgba(72, 94, 144, 0.16);
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
        }

        .ms-ribbon > ul label:hover {
            /*  background: #f1f3f4;*/
            border: 1px solid rgba(72, 94, 144, 0.16);
            margin: -1px 4px;
            cursor: pointer;
            position: relative;
            background: var(--app-theme-fg);
            color: var(--app-theme-bg);
        }

    .ms-ribbon [class=ribbon-hidden]:checked + label,
    .ms-ribbon [class=ribbon-hidden]:checked + label:hover {
        top: 0;
        background: #fff;
        /*background: var(--app-theme-bg);*/
        margin: -1px 4px;
        border: 1px solid rgba(72, 94, 144, 0.16);
        border-bottom: 1px solid #fff;
        cursor: default;
        z-index: 50;
        position: relative;
        color: #111;
        /*color: var(--app-theme-sc);*/
    }

    .ms-ribbon > ul > li.file > .tab {
        background: #2860b3;
        background: -webkit-gradient(linear, 0 0, 0 bottom, from(#4488e5), to(#2860b3));
        background: -moz-linear-gradient(#4488e5, #2860b3);
        -pie-background: linear-gradient(#4488e5, #2860b3);
        border: 1px solid rgba(72, 94, 144, 0.16);
        border-bottom: 1px solid rgba(72, 94, 144, 0.16);
        cursor: default;
        color: #fff;
        /*color: var(--app-theme-fg);*/
        cursor: pointer;
        z-index: 50;
        position: relative;
        margin: -1px 4px;
    }

    .ms-ribbon [class=ribbon-hidden]:checked ~ [class=ribbon-content] {
        /*display: block;*/
        display: -webkit-box;
        width: 100% !important;
        overflow-x: auto !important;
        box-sizing: border-box;
        padding-top: 3px;
    }

    .ms-ribbon li.selected [class=ribbon-hidden]:checked + label,
    .ms-ribbon li.selected [class=ribbon-hidden]:checked + label:hover {
        border: 1px solid #0a4a8e;
        border-bottom: 1px solid #fff;
    }

    .ms-ribbon li.selected > .ribbon-content {
        border-top: 1px solid #0a4a8e;
        /*height: 82px;*/
    }

    .ms-ribbon > ul .ribbon-button.selected {
        border: 1px solid #0a4a8e;
        background: var(--mud-palette-surface);
    }

    .ms-ribbon > ul > .ribbon-button.selected + .ms-ribbon > ul > .tab,
    .ms-ribbon > ul > .ribbon-button.selected + .ms-ribbon > ul > .tab:hover {
        border: 1px solid #0a4a8e;
        border-bottom: 1px solid #fff;
    }

    .ms-ribbon ul .ribbon-button.selected > .ribbon-content {
        border-top: 1px solid #0a4a8e;
    }

    .ms-ribbon .ribbon-content {
        display: none;
        width: 100%;
        /*box-sizing: border-box;*/
        position: absolute;
        /*left: 240px;*/
        left: 0;
        /*height: 90px;*/
        /*height: 110px;*/
        height: auto;
        /*padding: 5px;*/
        /*border-top: 1px solid rgba(72, 94, 144, 0.16);*/
        /* background: #FFF url('rib-back.png') repeat-x bottom;*/
        background: #FFF url('rib-back.png') repeat-x bottom;
        /*        background: -webkit-gradient(linear, 0 0, 0 bottom, from(#ffffff), to(#eaedf1));
        background: -moz-linear-gradient(#ffffff, #eaedf1);*/
        overflow: hidden;
        min-width: 500px;
        /*z-index: 1301;*/
        border-bottom: 1px solid rgba(72, 94, 144, 0.16);
        /*-webkit-box-shadow: rgba(72, 94, 144, 0.16) 0px 1px 3px;
        -moz-box-shadow: rgba(72, 94, 144, 0.16) 0px 1px 3px;
        box-shadow: rgba(72, 94, 144, 0.16) 0px 1px 3px;*/
        z-index: 999; /* Ensure it's below the ribbon but above other content */
    }

    .ms-ribbon > ul .section-title {
        color: #111; /*var(--app-theme-sc);*/
        text-align: center;
        clear: left;
        display: block;
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        font-size: 7pt;
        color: #999;
    }

    .ms-ribbon > ul .ribbon-section {
        float: left;
        position: relative;
        height: 60px;
        display: inline-block !important;
        box-sizing: border-box;
    }

    .ms-ribbon > ul .ribbon-section-sep {
        border-left: 1px solid #E0E0E0;
        border-right: 1px solid #fff;
        /*margin: 0 5px;*/
        height: 57px;
        position: relative;
        width: 0;
        float: left;
    }

    .ms-ribbon > ul .ribbon-button {
        padding: 4px 6px;
        border: 1px solid transparent;
        -webkit-border-radius: 3px 3px 3px 3px;
        -moz-border-radius: 3px 3px 3px 3px;
        border-radius: 3px 3px 3px 3px;
    }

    .ms-ribbon > ul .ribbon-button-large {
        text-align: center;
        /*height: 58px;*/
        min-width: 40px;
        float: left;
    }

    .ms-ribbon > ul .ribbon-button-small {
        height: 14px;
        padding: 3px 4px;
        text-align: left;
    }

    .ms-ribbon > ul .ribbon-button .button-help {
        display: none;
    }

    .ms-ribbon > ul .ribbon-button .button-title {
        /*color: var(--app-theme-fg);*/
        /*max-width: 58px;*/
    }

    .ms-ribbon > ul .ribbon-button-large .button-title {
        clear: left;
        display: block;
    }

    .ribbon-icon {
        font-size: 24px !important;
    }

    .ms-ribbon > ul .ribbon-button-large .ribbon-icon {
        margin: auto;
        opacity: 0.75;
    }

    .ms-ribbon > ul .ribbon-button-small .ribbon-icon {
        width: 16px;
        height: 16px;
        float: left;
        clear: left;
        margin: -1px 5px 0px 1px;
    }

    .ms-ribbon > ul .ribbon-button .ribbon-icon.ribbon-hot,
    .ms-ribbon > ul .ribbon-button .ribbon-icon.ribbon-disabled {
        display: none;
    }

    .ms-ribbon > ul .ribbon-button-large .ribbon-icon.ribbon-normal {
        display: block;
    }

    .ms-ribbon > ul .ribbon-button:hover .ribbon-icon.ribbon-normal {
        display: none;
    }

    .ms-ribbon > ul .ribbon-button-large:hover .ribbon-icon.ribbon-hot {
        display: block;
    }

    .ms-ribbon > ul .ribbon-button-small .ribbon-icon.ribbon-normal {
        display: inline;
    }

    .ms-ribbon > ul .ribbon-button-small:hover .ribbon-icon.ribbon-hot {
        display: inline;
    }

    .ms-ribbon > ul .ribbon-button:hover {
        border: 1px solid #0a4a8e;
        background: var(--mud-palette-surface);
        cursor: pointer;
        text-shadow: 0px 3px 5px rgba(128,131,131,0.6);
    }

    .ms-ribbon > ul .ribbon-button:active {
        border: 1px solid #0a4a8e;
        background: var(--mud-palette-surface);
        cursor: pointer;
    }

    .ms-ribbon > ul .ribbon-button.disabled .ribbon-icon,
    .ms-ribbon > ul .ribbon-button.disabled:hover .ribbon-icon {
        display: none;
    }

        .ms-ribbon > ul .ribbon-button.disabled .ribbon-icon.ribbon-disabled {
            display: block;
            opacity: 0.8;
        }

        .ms-ribbon > ul .ribbon-button.disabled .ribbon-icon.ribbon-implicit-disabled {
            opacity: 0.4;
        }

    .ms-ribbon > ul .ribbon-button.disabled:hover {
        border: 1px solid transparent;
        background: transparent;
        cursor: default;
    }

    .ms-ribbon > ul .ribbon-button.disabled:active {
        border: 1px solid transparent;
        background: transparent;
        cursor: default;
    }

    .ms-ribbon > ul .ribbon-button.disabled .button-title {
        color: #888;
    }

    .ms-ribbon .content {
        padding: 1em;
        background: #fff;
        margin-top: 6.2em;
        height: 100%;
        overflow-y: auto;
        overflow-x: hidden;
        position: fixed;
        text-align: left;
        font-size: 14px;
        top: 60px; /* Adjust this if you have additional content below the ribbon */
    }

    .ms-ribbon div.ribbon-menu {
        display: none;
    }
}

@media only screen and (max-width: 768px) {
    div.ribbon-menu {
        margin-right: .6em;
        border-radius: 3px;
        float: left;
    }

    .ms-ribbon-toggle > span.title {
        display: block;
        margin-top: .2em;
    }

    div.ribbon-menu > span.line {
        display: block;
        margin: 4px 0px 4px 0px;
        height: 2px;
        background: #333333;
        width: 20px;
    }

    label.ms-ribbon-toggle {
        /*font-family: "Segoe UI", Verdana, Tahoma, Helvetica, sans-serif;*/
        font-size: .79em;
        display: block;
        border: 1px solid #b6babf;
        background: #FFF url('rib-back.png') repeat-x bottom;
        background: -webkit-gradient(linear, 0 0, 0 bottom, from(#ffffff), to(#eaedf1));
        background: -moz-linear-gradient(#ffffff, #eaedf1);
        overflow: hidden;
        padding: 1em;
        cursor: pointer;
    }

    .ribbon-content {
        display: none;
    }

    .ms-ribbon {
        /*font-family: "Segoe UI", Verdana, Tahoma, Helvetica, sans-serif;*/
        /*background: #eaedf1;*/
        font-size: .75em;
        padding: 0;
        margin: 0;
        background-color: var(--app-theme-bg);
    }

        .ms-ribbon ul {
            /*display: none;*/
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .ms-ribbon li {
            padding: 0.7em 1em;
            border-bottom: 1px solid #b6babf;
            border-left: 1px solid #b6babf;
            border-right: 1px solid #b6babf;
            cursor: pointer;
        }
}

.ms-ribbon .user {
    float: right;
    padding: 5px 10px;
}

    .ms-ribbon .user button {
        color: #fff !important;
        padding: 0 !important;
        height: unset !important;
        padding-right: 5px !important;
    }

.ms-ribbon .toggle-ribbon, .toggle-ribbon:hover {
    color: var(--app-theme-fg) !important;
    cursor: pointer;
}

.ms-ribbon .nav-link {
    display: inline-flex;
    padding: 0 !important;
    width: 100%;
    height: auto !important;
}

    .ms-ribbon .nav-link > i {
        font-size: 12px !important;
        margin-right: 2px;
        margin-top: 2px;
    }

    .ms-ribbon .nav-link :hover {
        box-sizing: border-box;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        transition: box-shadow 0.3s ease;
    }