.solar-battery-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}

.solar-battery-container h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 20px;
}

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

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

.form-control {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.unit {
    margin-left: 10px;
    color: #7f8c8d;
}

.appliances-section {
    margin: 20px 0;
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.appliance-row {
    display: flex;
    margin-bottom: 10px;
    gap: 10px;
    align-items: center;
}

.appliance-row input {
    flex: 1;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.appliance-name {
    flex: 2 !important;
}

.remove-appliance {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
}

#add-appliance {
    background: #3498db;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
}

#calculate-btn {
    background: #2ecc71;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    margin-top: 20px;
}

.results-section {
    margin-top: 30px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #eee;
}

.result-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
}

.result-item label {
    font-weight: bold;
    margin-right: 10px;
    flex: 2;
}

.result-value {
    font-weight: bold;
    color: #e67e22;
    flex: 1;
}

.notes {
    margin-top: 20px;
    font-size: 14px;
    color: #7f8c8d;
}