* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    background: linear-gradient(to right, #83a4d4, #b6fbff);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background: #ffffffcc;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    max-width: 400px;
    width: 100%;
    text-align: center;
}

h1, h2 {
    margin-bottom: 20px;
    color: #333;
}

.form-group {
    margin-bottom: 15px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

input {
    width: 100%;
    padding: 8px;
    border-radius: 8px;
    border: 1px solid #ccc;
    transition: border 0.3s ease;
}

input:focus {
    border: 1px solid #007bff;
}

button {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 10px;
    transition: 0.3s ease;
}

button:hover {
    background: #0056b3;
}

#resultado {
    margin-top: 20px;
    font-size: 18px;
    font-weight: bold;
    color: #333;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    border: 1px solid #ccc;
    padding: 10px;
}

th {
    background: #007bff;
    color: white;
}

tr:nth-child(even) {
    background: #f2f2f2;
}

tr:hover {
    background: #e0f7fa;
}