:root {
    --background: #0f0f0f;
    --foreground: #f2f2f2;
    --logo-color: #ffffff;
    --link-color: #00bcd4;
    --muted: #999;
}

[data-theme="glass"] {
    --background: rgba(255,255,255,0.04);
    --foreground: #fdfdfd;
    --logo-color: #00bcd4;
    --link-color: #66d9ef;
    --muted: #ccc;
}

[data-theme="structure"] {
    --background: #f9f9f9;
    --foreground: #1a1a1a;
    --logo-color: #0f0f0f;
    --link-color: #005cc5;
    --muted: #555;
}