.pbs-calculator {
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    border: 1px solid #ddd;
    text-align: center;
}

.pbs-calc-title {
    margin-bottom: 15px;
    font-size: 1.5em;
}

.pbs-calc-input-group {
    margin-bottom: 15px;
}

.pbs-calc-input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.pbs-calc-input {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 80px;
    text-align: center;
}

.pbs-calc-btn {
    background-color: #d32f2f; /* Paintball red ish */
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s;
}

.pbs-calc-btn:hover {
    background-color: #b71c1c;
}

.pbs-calc-result {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #eee;
    font-size: 1.2em;
    font-weight: bold;
}

.pbs-savings-msg {
    margin-top: 5px;
    font-size: 0.8em;
    color: #388e3c; /* Green for savings */
}