*{box-sizing:border-box;margin:0;padding:0}:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.5;font-weight:400;color:#213547;background-color:#f5f5f5}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}.container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px}h1{font-size:2rem;margin-bottom:2rem;text-align:center;color:#333}.form-card{background:#fff;padding:2.5rem;border-radius:12px;box-shadow:0 4px 6px #0000001a;width:100%;max-width:400px}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:#333}.form-group input{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:8px;font-size:1rem;font-family:inherit;transition:border-color .3s}.form-group input:focus{outline:none;border-color:#646cff}.form-group input:disabled{background-color:#f5f5f5;cursor:not-allowed}button{width:100%;padding:.75rem;background-color:#646cff;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:500;font-family:inherit;cursor:pointer;transition:background-color .3s}button:hover:not(:disabled){background-color:#535bf2}button:disabled{background-color:#ccc;cursor:not-allowed}.error-message{padding:.75rem;margin-bottom:1rem;background-color:#fee;color:#c33;border:1px solid #fcc;border-radius:8px;font-size:.9rem}.success-message{padding:.75rem;margin-bottom:1rem;background-color:#efe;color:#3c3;border:1px solid #cfc;border-radius:8px;font-size:.9rem}@media(max-width:480px){.form-card{padding:1.5rem}h1{font-size:1.5rem;margin-bottom:1.5rem}.form-group{margin-bottom:1.25rem}}