*{margin:0;padding:0;box-sizing:border-box;font-family:Roboto,sans-serif}.signup-container{height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#667eea,#764ba2)}.form-wrapper{background-color:#fff;padding:30px;border-radius:8px;box-shadow:0 8px 30px #0000001a;width:400px;max-width:100%}h2{text-align:center;margin-bottom:20px;color:#444}.input-group{margin-bottom:20px}.input-group label{display:block;margin-bottom:5px;font-size:14px;color:#555}.input-group input{width:100%;padding:10px;font-size:16px;border-radius:5px;border:1px solid #ccc;outline:none;transition:border-color .3s}.input-group input:focus{border-color:#6d5b97}.signup-btn{width:100%;padding:12px;background-color:#6d5b97;color:#fff;border:none;border-radius:5px;font-size:16px;cursor:pointer;transition:background-color .3s}.signup-btn:hover{background-color:#543f76}@media (max-width: 768px){.form-wrapper{padding:20px}.signup-btn{padding:10px}}.back-button{position:absolute;top:50px;left:50px;border:none;background:none}.back-button:hover{background-color:#0000003b}