.odeliver-wrap {
    max-width: 800px;
    margin: 20px auto;
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

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

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

.form-group select,
.form-group input {
    width: 100%;
    padding: 8px 12px;
    height: 40px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
    font-size: 14px;
    color: #333;
    min-height: 40px;
}

.form-group select {
    padding-right: 30px;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
}

#calculate-btn {
    width: 100%;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 600;
    height: auto;
    margin-top: 10px;
}

#result {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    display: none;
}

#result.show {
    display: block;
}

#result.success {
    background-color: #dff0d8;
    border: 1px solid #d6e9c6;
    color: #3c763d;
}

#result.error {
    background-color: #f2dede;
    border: 1px solid #ebccd1;
    color: #a94442;
}

.debug-info {
    margin-top: 20px;
    padding: 10px;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.debug-info pre {
    margin: 0;
    white-space: pre-wrap;
}