body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f0f2f5;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

form {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

h2 {
  color: #333;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 15px;
  margin-bottom: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  box-sizing: border-box;
  transition:
    border-color 0.3s,
    box-shadow 0.3s;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: #4a90e2;
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
  outline: none;
}

input[type="submit"] {
  width: 100%;
  padding: 12px;
  background-color: #4a90e2;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition:
    background-color 0.3s,
    transform 0.1s;
}

input[type="submit"]:hover {
  background-color: #357abd;
}

input[type="submit"]:active {
  transform: scale(0.98);
}