:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:#f6f7f4;color:#1d2b1f}.pagina{max-width:640px;margin:0 auto;padding:40px 20px}h1{font-size:30px;margin:0 0 4px}.sub{color:#5c6b5e;margin:0 0 36px}h2{font-size:18px;margin:0 0 14px}.grade{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.hora{padding:14px;border:1px solid #cfd8cd;border-radius:12px;background:#fff;font-size:15px;cursor:pointer}.hora-ativa{background:#1d2b1f;color:#fff;border-color:#1d2b1f}.confirma{margin-top:28px;padding:20px;background:#fff;border-radius:14px;border:1px solid #e2e8e1}.botao{display:inline-block;margin-top:10px;padding:12px 20px;background:#25d366;color:#fff;border-radius:999px;text-decoration:none;font-weight:600}footer{margin-top:48px;color:#7c8a7e;font-size:14px}