:root {
    --kita-font:         system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --kita-blue:         #1a73e8;
    --kita-red:          #c62828;
    --kita-black:        #111;
    --kita-gray-bg:      #f5f5f5;
    --kita-gray-surface: #fafafa;
    --kita-gray-border:  #e8e8e8;
    --kita-gray-muted:   #888;
    --kita-text:         #1a1a1a;
}