body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to right, #c3e0fa, #0d6aff); /* (to right, #fbd3e9, #bb377d);  */
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  background: #fff;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  max-width: 400px;
  width: 90%;
  text-align: center;
}

h1 {
  margin-bottom: 1.5rem;
  color: #2a77bf;
}

input[type="text"] {
  padding: 0.75rem 0rem;
  text-indent: 12px;
  width: 100%;
  margin-bottom: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
}

button {
  padding: 0.75rem 1.5rem;
  background-color: #3774ad;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background-color: #1860ad;
}

.error {
  color: red;
  margin-bottom: 1rem;
}