.solar-calculator {
    background-color: #f8f9fa;
    padding: 50px 0;
}

.calculator-wrap {
    max-width: 700px;
    margin: auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.solar-calculator h2 {
    color: #2c3e50;
    font-weight: bold;
}

.form-label {
    font-weight: 600;
    color: #495057;
}

.form-control, .form-select {
    height: 45px;
    border-radius: 8px;
    border: 1px solid #ced4da;
    transition: 0.3s;
}

.form-control:focus, .form-select:focus {
    border-color: #007bff;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.2);
}

.btn-primary {
    background-color: #007bff;
    border-radius: 8px;
    font-size: 16px;
    padding: 10px 20px;
    transition: 0.3s;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.result-box {
    display: none;
    background: #e9f5ff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.result-box h3 {
    color: #2c3e50;
}

.remove-appliance {
    font-size: 14px;
}