index.css

:root {
    --main-background-color: rgb(55, 55, 55);
    --secondary-background-color: rgb(45, 45, 45);
    --dark-background-color: rgb(40, 40, 40);
    --main-button-background-color: rgb(75, 75, 75);


    --header-background-color: rgb(65, 65, 65);

    --box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);

    --main-color: rgb(200, 200, 200);
}

html,
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    height: 100%;
    width: 100%;
    background-color: var(--secondary-background-color);
    overflow: auto !important;
    color: var(--main-color);
    padding: 0px;
    margin: 0px;
}

.hidden {
    display: none !important;
}

input[type="file"] {
    /* display: none; */
        position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
    padding: 0;
    margin: -1px;
    white-space: nowrap;
}

.gray {
    background-color: var(--main-background-color);
}

.dark {
    background-color: var(--secondary-background-color);
}

.darker {
    background-color: var(--dark-background-color);
}

.wh-100 {
    width: 100%;
    height: 100%;
}

.mh-100 {
    max-height: 90px;
    overflow-y: auto;
}

.m-5 {
    margin: 5px;
}

.p-5 {
    padding: 5px;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background-color: var(--dark-background-color);
}

::-webkit-scrollbar-thumb {
    background: rgb(58, 58, 58);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.button {
    height: 30px;
    width: max-content;
    margin: 10px;
    padding: 5px;
    font-size: smaller;
    padding-left: 8px;
    padding-right: 8px;
    /* box-shadow: var(--box-shadow); */

    cursor: pointer;
    border-radius: 5px;
    background-color: var(--main-button-background-color);
}
.button:focus-within {
    outline: 0;
    border: 1px solid gainsboro !important;
}
:focus {
    outline: 0;
    border: 1px solid gainsboro !important;
}

.titlebar {
    background-color: var(--header-background-color);
    box-shadow: var(--box-shadow);
    color: var(--main-color);
    width: 100%;
    height: 30px;
    position: relative;
}

.closeWindow {
    width: 40px;
    height: 100%;
    right: 0px;
    position: absolute;
    text-align: center;
    justify-content: center;
    font-size: x-large;
    line-height: 25px;
}

.closeWindow::after {
    content: "\00d7";
}

.closeWindow:hover {
    background-color: red;
}

.minimizeWindow {
    width: 40px;
    height: 100%;
    right: 40px;
    position: absolute;
    text-align: center;
    font-size: x-large;
    line-height: 25px;
}

.minimizeWindow::after {
    content: "\2212";
}

.minimizeWindow:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.settingsButton {
    display: grid;
    place-content: center;
    width: 30px;
    height: 100%;
    position: absolute;
    text-align: center;
    justify-content: center;
    font-size: medium;
    line-height: 25px;
    cursor: pointer;
}

.settingsButton:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.SettingsIcon {
    transition: .3s ease-out;
}

.SettingsIconHover {
    transform: rotate(90deg);
}
.UpdateSpinner {
    display: grid;
    place-content: center;
    width: 30px;
    height: 100%;
    position: absolute;
    text-align: center;
    justify-content: center;
    font-size: medium;
    line-height: 25px;
}
.UpdateLabel {
    margin-left: 60px;
    line-height: 2.4;
    font-size: 12px;
    color: rgb(65, 197, 133);
}

.drag {
    -webkit-app-region: drag;
}

.nodrag {
    -webkit-app-region: no-drag;
}

.flexbox {
    display: flex;
    height: calc(100% - 30px);
}

.leftside {
    background-color: var(--main-background-color);
    color: var(--main-color);
    flex-basis: 0;
    flex-grow: 1;
}

.main {
    display: flex;
    flex-direction: column;
    flex-basis: 0;
    flex-grow: 2;
}

.main-header {
    background-color: var(--main-background-color);
}

/* File list */
.ConvertGroupDiv {
    border-radius: 5px;
    border-width: 1px;
    border-color: rgb(40, 40, 40);
    border-style: solid;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    padding-top: 9px;
}

.FileListContainer {
    overflow-y: auto;
    background-color: var(--secondary-background-color);
    padding: 10px;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fileList {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    border-radius: 5px;
    overflow: hidden;
    border-width: 1px;
    border-style: solid;
    position: relative;
    border-color: rgb(40, 40, 40);
    width: 100%;
}

.fileListDiv {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background-color: rgb(55, 55, 55);
    padding: 0px 0px 0px 0px;
}
.fileDiv {
    display: flex;
    justify-content: space-between;
    width: calc(100% - 10px);
}
.fileNameDiv {
    white-space: nowrap;
    width: 90%;
    overflow: hidden;
    text-overflow: ellipsis;
    overflow-wrap: break-word;
}
.fileRemoveButton {
    margin-right: 4px;
    padding-top: 4px;
    float: right;
    height: 20px;
    cursor: pointer;
}


/* droparea */
.drop-area {
    text-align: center;
    min-width: 150px;
    width: auto;
    margin: 10px;
    margin-top: 15px;
    margin-bottom: 15px;
    border: 2px dashed #5f5f5f;
    border-radius: 20px;
    padding: 20px;
}

.hover {
    background-color: rgb(60, 60, 60);
}

#inner-drop-area {
    transition: all .2s ease-in-out;
}

.hover {
    transition: all .2s ease-in-out;
}

.convertDropdown {
    float: right;
    background-color: var(--main-button-background-color);
    border-radius: 5px;
    border-style: none;
    margin: 5px;
    color: var(--main-color);
    padding: 2px;
    height: 27px;
    cursor: pointer;
}

.convertButton {
    height: 27px;
    max-height: 27px;
    width: max-content;
    margin: 5px;
    font-size: smaller;
    padding-left: 8px;
    padding-right: 8px;
    float: right;
    display: grid;
    place-content: center;
    cursor: pointer;
    border-radius: 5px;
    background-color: var(--main-button-background-color);
}

.button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.convertButton:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.loadScreen {
    background-color: rgba(0, 0, 0, 0.3);
    z-index: 100;
    width: 100%;
    height: 100%;
    position: absolute;
    display: grid;
    place-content: center;
    top: 0;
}