body {
    font-family: Arial, sans-serif;
    background: #e8f1ff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    width: 350px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.15);
}

h2 {
    text-align: center;
    color: #0056b3;
}

label {
    font-size: 14px;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 8px;
    margin: 6px 0 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

button {
    width: 100%;
    padding: 10px;
    font-size: 15px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s ease;
}

button:hover {
    background: #0056b3;
}

#hasil {
    margin-top: 15px;
    font-size: 16px;
    background: #fef9ff;
    padding: 10px;
    border-left: 4px solid #007bff;
}