:root[data-ui-theme="none"] {
    --font-main: ui-monospace, monospace;
    --desktop-bg: #ffffff;
    --desktop-pattern: none;
    --surface-window: transparent;
    --surface-control: #f5f5f5;
    --surface-input: #ffffff;
    --surface-status: #ffffff;
    --text-primary: #000000;
    --title-bg: transparent;
    --title-text: #000000;
    --border-outer: #bdbdbd;
    --border-input: #bdbdbd;
    --border-muted: #d3d3d3;
    --window-border-width: 1px;
    --control-border-width: 1px;
    --input-border-width: 1px;
    --window-shadow: none;
    --button-shadow: none;
    --button-shadow-active: none;
    --focus-ring: 0 0 0 1px #777777;
    --card-bg: #ffffff;
    --card-text: #000000;
    --card-border: #bdbdbd;
    --card-border-width: 1px;
    --selected-outline: 1px dashed #000000;
    --modal-overlay: rgba(0, 0, 0, 0.2);
}

:root[data-ui-theme="none"][data-theme="dark"] {
    --desktop-bg: #111111;
    --surface-window: transparent;
    --surface-control: #232323;
    --surface-input: #161616;
    --surface-status: #161616;
    --text-primary: #e8e8e8;
    --title-bg: transparent;
    --title-text: #e8e8e8;
    --border-outer: #4a4a4a;
    --border-input: #4a4a4a;
    --border-muted: #3a3a3a;
    --focus-ring: 0 0 0 1px #9a9a9a;
    --card-bg: #161616;
    --card-text: #e8e8e8;
    --card-border: #4a4a4a;
}

:root[data-ui-theme="none"] body {
    background-color: var(--desktop-bg);
    background-image: none;
}

:root[data-ui-theme="none"] .title-bar-controls,
:root[data-ui-theme="none"] .icon-btn img {
    display: none;
}

:root[data-ui-theme="none"] .window,
:root[data-ui-theme="none"] .preview-board,
:root[data-ui-theme="none"] .voting-board {
    border-style: dashed;
}

:root[data-ui-theme="none"] .preset-modal-overlay {
    background: var(--modal-overlay);
}