body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;display:flex;justify-content:center;align-items:center}.container{background:#fff;padding:2rem;border-radius:10px;box-shadow:0 10px 40px #0000001a;width:100%;max-width:400px}h1{text-align:center;color:#333;margin-bottom:1.5rem;font-size:1.8rem}.form-group{margin-bottom:1rem}label{display:block;margin-bottom:.5rem;color:#555;font-weight:500}input{width:100%;padding:.75rem;border:2px solid #e1e1e1;border-radius:5px;font-size:1rem;transition:border-color .3s;box-sizing:border-box}input:focus{outline:none;border-color:#667eea}button{width:100%;padding:.75rem;background:#667eea;color:#fff;border:none;border-radius:5px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .3s}button:hover{background:#5a67d8}button:disabled{background:#ccc;cursor:not-allowed}.error{color:#e53e3e;font-size:.875rem;margin-top:.25rem;text-align:center}.success{text-align:center;color:#38a169;font-weight:500}