:root{color-scheme:light;font-family:Inter,system-ui,sans-serif}body{margin:0;background:#f6f7fb;color:#1f2937}.container{max-width:960px;margin:0 auto;padding:32px 24px 64px}nav{display:flex;gap:16px;margin-bottom:24px}nav a{color:#2563eb;text-decoration:none;font-weight:600}section{background:#fff;padding:24px;border-radius:12px;box-shadow:0 10px 20px rgba(15,23,42,.08)}.field{gap:8px}.field,.space{display:flex;flex-direction:column}.space{gap:16px}button{background:#2563eb;color:#fff;border:none;padding:10px 16px;cursor:pointer}.card,button{border-radius:8px}.card{margin-top:24px;padding:16px;background:#f1f5f9}