.percentage-difference-calculator-wrapper * {
    box-sizing: border-box;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.percentage-difference-calculator-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

.percentage-difference-calculator-wrapper .calculator-container {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 25px;
    margin-bottom: 20px;
}

.percentage-difference-calculator-wrapper .input-group {
    margin-bottom: 20px;
}

.percentage-difference-calculator-wrapper label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.percentage-difference-calculator-wrapper input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.percentage-difference-calculator-wrapper .button-group {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

.percentage-difference-calculator-wrapper button {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.2s;
}

.percentage-difference-calculator-wrapper #calculate-btn {
    background-color: #007bff;
    color: white;
}

.percentage-difference-calculator-wrapper #calculate-btn:hover {
    background-color: #0069d9;
}

.percentage-difference-calculator-wrapper #reset-btn {
    background-color: #6c757d;
    color: white;
}

.percentage-difference-calculator-wrapper #reset-btn:hover {
    background-color: #5a6268;
}

.percentage-difference-calculator-wrapper #export-btn {
    background-color: #28a745;
    color: white;
    display: none;
}

.percentage-difference-calculator-wrapper #export-btn:hover {
    background-color: #218838;
}

.percentage-difference-calculator-wrapper .results-container {
    display: none;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 25px;
    margin-top: 20px;
}

.percentage-difference-calculator-wrapper .result-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.percentage-difference-calculator-wrapper .result-label {
    font-weight: 500;
    color: #555;
    margin-bottom: 5px;
}

.percentage-difference-calculator-wrapper .result-value {
    font-size: 18px;
    color: #333;
}

.percentage-difference-calculator-wrapper .interpretation {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    border-left: 4px solid #007bff;
    margin-top: 20px;
}

.percentage-difference-calculator-wrapper .error-message {
    color: #dc3545;
    margin-top: 10px;
    font-size: 14px;
}

@media (max-width: 600px) {
    .percentage-difference-calculator-wrapper .button-group {
        flex-direction: column;
    }
    
    .percentage-difference-calculator-wrapper button {
        width: 100%;
    }
}