body{margin:0;min-height:100vh;display:grid;place-items:center;background:#10182e;color:#eef4ff;font-family:Arial,sans-serif}.card{width:min(440px,calc(100vw - 36px));padding:30px;border-radius:20px;background:#1b2850;box-shadow:0 24px 70px #0007;text-align:center}h1{margin:0 0 12px;font-size:25px}p{color:#b7c5e5;line-height:1.5}.field{display:grid;text-align:left;gap:6px;margin:12px 0}.field input{padding:12px;border-radius:10px;border:1px solid #61739e;font:inherit}button,.capture-button{border:0;border-radius:10px;padding:13px 18px;background:#61d5ff;color:#102044;font-weight:bold;font-size:16px;cursor:pointer;margin:6px;display:inline-block}.capture-button input{display:none}.number{font-size:64px;font-weight:bold;letter-spacing:8px;color:#fff;margin:24px 0}.error{color:#ffb4c2}video{width:100%;border-radius:14px;background:#071020;margin:14px 0}