body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #c3ecff, #f9f9f9);
  text-align: center;
  padding: 40px;
  margin: 0;
}

.container {
  background-color: #ffffff;
  padding: 30px;
  max-width: 400px;
  margin: auto;
  margin-top: 40px;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1 {
  color: #0077cc;
  margin-bottom: 25px;
}

label {
  display: block;
  text-align: left;
  margin-left: 10%;
  margin-top: 15px;
  font-weight: 600;
  color: #333;
}

input {
  margin: 10px 0 20px;
  padding: 12px 15px;
  width: 80%;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
  transition: 0.3s ease;
}

input:focus {
  border-color: #008cff;
  outline: none;
  box-shadow: 0 0 5px rgba(0, 140, 255, 0.3);
}

button {
  padding: 12px;
  width: 85%;
  background-color: #008cff;
  color: white;
  font-size: 16px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: 0.3s ease;
}

button:hover {
  background-color: #006bb3;
  transform: scale(1.03);
}

#result {
  margin-top: 25px;
  font-size: 18px;
  color: #333;
  font-weight: bold;
  animation: fadeIn 0.5s ease-in;
}