*,:after,:before{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;background:#f0f2f5;color:#111;height:100vh;overflow:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;border-radius:6px;padding:8px 16px;font-size:14px}input,textarea{font-family:inherit;font-size:14px;border:1px solid #d1d5db;border-radius:6px;padding:8px 12px;outline:none}input:focus,textarea:focus{border-color:#2563eb}