body {
font-family: Arial, sans-serif;
background: linear-gradient(135deg, #667eea, #764ba2);
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
}

.container {
background: rgb(255, 255, 255);
padding: 30px;
border-radius: 15px;
box-sizing: border-box;
text-align: center;
width: 30%;
box-shadow: 10px 15px 25px rgba(0, 0, 0, 0.644);
}

h1 {
margin-bottom: 20px;
}

input {
width: 90%;
padding: 10px;
margin: 5px 0px;
border: 2px solid #ccc;
border-radius: 8px;
outline: none;
}

input:focus {
  border: 2px solid blue;
  outline: none;
}

.botones {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 10px;
margin-top: 15px;
}

button {
padding: 10px;
border: none;
border-radius: 8px;
background: #667eea;
color: white;
font-weight: bold;
cursor: pointer;
transition: 0.3s;
}

button:hover {
background: #5a67d8;
transform: scale(1.05);
}

#resultado {
margin-top: 20px;
color: #333;
}