[data-theme="light"]{--color-bg:#f5f5f0;--color-bg-card:#ffffff;--color-bg-elevated:#ebebeb;--color-border:rgba(0,0,0,.1);--color-border-hover:rgba(0,0,0,.2);--color-text:#1a1a1a;--color-text-muted:#666;--color-text-faint:#aaa;--reader-bg:#f0f0f0}