@import"https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap";*{box-sizing:border-box;margin:0;padding:0;font-family:Poppins,sans-serif}body{background:linear-gradient(135deg,#667eea,#764ba2)}.app-container{width:100%;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center}.app-box{background:#ffffff26;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:40px;border-radius:20px;width:350px;text-align:center;box-shadow:0 15px 35px #0003;color:#fff}.app-box h1{font-size:22px;margin-bottom:20px;font-weight:600;letter-spacing:1px}.qr-code-image{padding:15px;background:#fff;border-radius:12px;margin-bottom:20px;box-shadow:0 10px 25px #00000040}.input-label{display:block;margin-bottom:8px;font-size:14px;text-align:left}input[type=text]{padding:12px;width:100%;border-radius:10px;border:none;outline:none;margin-bottom:20px;font-size:14px}input[type=text]:focus{box-shadow:0 0 0 3px #fff6}button{font-size:14px;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease;font-weight:500;padding:12px 18px 12px 20px}.qr-generate{background:linear-gradient(45deg,#ff512f,#dd2476);color:#fff}.qr-generate:hover{transform:translateY(-2px);box-shadow:0 8px 20px #dd247666}.qr-generate:disabled{background:#aaa;cursor:not-allowed}.qr-downlode{background:linear-gradient(45deg,#00c6ff,#0072ff);color:#fff;margin-left:30px}.qr-download:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0072ff66}.footer{margin-top:20px;font-size:13px;opacity:.9}.footer a{color:#fff;text-decoration:underline}