*{box-sizing:border-box;margin:0;padding:0}body{font-family:Poppins,sans-serif;background:#f5f5f5;min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding:48px 16px}.container{background:#fff;border-radius:12px;box-shadow:0 4px 24px #00000014;padding:40px;width:100%;max-width:480px}h1{font-size:1.6rem;font-weight:700;margin-bottom:28px;color:#1a1a1a}fieldset{border:none;display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px}label{font-size:.875rem;font-weight:600;color:#444}input[type=text]{border:1px solid #ddd;border-radius:8px;padding:10px 14px;font-size:.95rem;font-family:inherit;outline:none;transition:border-color .15s}input[type=text]:focus{border-color:#4f46e5}.radio-group{display:flex;gap:24px}.radio-group label{display:flex;align-items:center;gap:6px;font-weight:400;cursor:pointer}input[type=radio]{accent-color:#4f46e5;width:16px;height:16px}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:.875rem;font-weight:400;cursor:pointer}input[type=checkbox]{accent-color:#4f46e5;width:16px;height:16px}button{background:#4f46e5;color:#fff;border:none;border-radius:8px;padding:11px 24px;font-size:.95rem;font-family:inherit;font-weight:600;cursor:pointer;transition:background .15s;align-self:flex-start}button:hover{background:#4338ca}button:disabled,button:disabled:hover{background:#c7c5e8;cursor:not-allowed}.error{margin-top:16px;color:#dc2626;font-size:.875rem}.preview{margin-top:32px;display:flex;flex-direction:column;align-items:center;gap:20px}.qr-image{width:240px;height:240px;background-image:linear-gradient(45deg,#ccc 25%,transparent 25%),linear-gradient(-45deg,#ccc 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ccc 75%),linear-gradient(-45deg,transparent 75%,#ccc 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px}.qr-image svg{width:100%;height:100%;display:block}.download-btn{align-self:center}