*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f8fafc;color:#1e293b}.spinner{display:inline-block;width:28px;height:28px;border:3px solid #e2e8f0;border-top-color:#3b82f6;border-radius:50%;animation:spin .7s linear infinite;margin-bottom:8px}@keyframes spin{to{transform:rotate(360deg)}}input:focus,select:focus,textarea:focus{outline:2px solid #3b82f6;outline-offset:1px}a{color:inherit}