:root{--rs-primary:#18181b;--rs-secondary:#3f3f46;--rs-background:#fff;--rs-surface:#fafafa;--rs-text:#18181b;--rs-muted:#71717a;--rs-radius:12px}body{font-family:Inter, Arial, sans-serif;background:var(--rs-background);color:var(--rs-text)}h1,h2,h3,h4,h5,h6{font-family:Inter, Arial, sans-serif}.container,.header-inner,.footer-inner{max-width:1200px}.series-card,input,select,textarea{border-radius:var(--rs-radius)}.button,.btn,button{border-radius:var(--rs-radius)}.button,.btn-primary{background:var(--rs-primary)}