.zep-calculator {
    border: 1px solid #e0e0e0;
    padding: 20px;
    background-color: #f9f9f9;
    max-width: 420px;
    margin: 20px auto;
    font-family: Arial, sans-serif;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}



.zep-field {
    margin-bottom: 12px;
}

.zep-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.zep-field input {
    width: 100%;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid #ccc;
    font-size: 0.95rem;
    box-sizing: border-box;
}

.zep-button {
    background-color: #28a745;
    color: #fff;
    border: none;
    padding: 10px;
    width: 100%;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background-color 0.2s ease;
}

.zep-button:hover {
    background-color: #218838;
}

.zep-result {
    margin-top: 16px;
    padding: 10px;
    background-color: #fff;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
    font-size: 0.95rem;
}

.zep-result strong {
    font-size: 1.05rem;
}