:root{--color-bg:#ffffff;--color-fg:#101418;--color-muted:#5b6673;--color-accent:#1f6feb;--color-border:#d8dee6;--radius:10px;--space-1:0.25rem;--space-2:0.5rem;--space-3:1rem;--space-4:1.5rem;--space-5:2rem;--font-arabic:"IBM Plex Sans Arabic","Cairo","Tajawal",system-ui,sans-serif;--font-latin:system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}body,html{margin-block:0;margin-inline:0;padding-block:0;padding-inline:0}body{background:var(--color-bg);color:var(--color-fg);font-family:var(--font-arabic);line-height:1.6}:lang(en) body{font-family:var(--font-latin)}main{max-inline-size:60rem;margin-inline:auto;padding-block:var(--space-4);padding-inline:var(--space-3)}button{font:inherit;cursor:pointer}[aria-current=true]{font-weight:700;text-decoration:underline}