@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap');

body {
    background-color: #121231;
    color: white;
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #717197;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    width: 400px;
}

.title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

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

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

input {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border-radius: 5px;
    border: none;
    background-color: #304575;
    color: white;
    font-size: 16px;
}

.hint {
    font-size: 12px;
    color: #cfcfd4;
    margin-top: 5px;
}

.nominal-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.nominal {
    background-color: #3c5898;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
}

.nominal.active {
    background-color: #2ecc71;
    font-weight: bold;
}

.total {
    background-color: #304575;
    padding: 10px;
    border-radius: 5px;
    margin: 15px 0;
    font-size: 18px;
}

.submit {
    background: linear-gradient(to right, #6a11cb, #2575fc);
    color: white;
    padding: 12px;
    width: 100%;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.submit:hover {
    opacity: 0.9;
}

.submit:disabled {
    background-color: grey;
    cursor: not-allowed;
}