body {
    background: linear-gradient(135deg, #1e1e2f, #2e2e3f);
    font-family: 'Segoe UI', sans-serif;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

h2 {
    margin-bottom: 20px;
    text-align: center;
    color: #ffdf6c;
}

form label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

input[type="number"] {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border-radius: 8px;
    border: none;
    font-size: 1em;
}

button {
    margin-top: 20px;
    width: 100%;
    background: #ffd51e;
    color: #000;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 1em;
    cursor: pointer;
}

button:hover {
    background: #ffb600;
}

.resultado {
    margin-top: 30px;
}

ul {
    list-style: none;
    padding: 0;
}

ul li {
    margin-bottom: 8px;
}