body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #ff9a9e, #fad0c4);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    padding: 10px;
    box-sizing: border-box;
}

.container {
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    animation: fadeIn 1s ease-in-out;
}

.container h1 {
    text-align: center;
    color: #ff6b6b;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.form-group label {
    flex: 1;
    color: #333333;
}

.form-group input {
    flex: 2;
    padding: 10px;
    border: 1px solid #cccccc;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
}

.form-group select {
    margin-left: 10px;
    padding: 10px;
    border: 1px solid #cccccc;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
}

.btn {
    width: 100%;
    padding: 10px;
    background: #ff6b6b;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #ee5253;
}

.result {
    margin-top: 20px;
    text-align: center;
    font-size: 18px;
    color: #ff6b6b;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@media (max-width: 600px) {
    .form-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .form-group label,
    .form-group input,
    .form-group select {
        width: 100%;
        margin: 5px 0;
    }

    .form-group select {
        margin-left: 0;
    }
}