/* Reset styles to prevent theme conflicts */
.gst-calculator-container * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.gst-calculator-container {
    max-width: 500px;
    margin: 20px auto;
    padding: 25px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    position: relative;
    z-index: 1;
}

.gst-input-group {
    margin-bottom: 20px;
}

.gst-input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.gst-input-group .gst-input,
.gst-input-group .gst-select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.gst-input-group .gst-input:focus,
.gst-input-group .gst-select:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.gst-calculate-btn {
    width: 100%;
    padding: 14px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    margin-top: 10px;
}

.gst-calculate-btn:hover {
    background: #2980b9;
}

.gst-calculate-btn:disabled {
    background: #95a5a6;
    cursor: not-allowed;
}

.gst-results-container {
    margin-top: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    display: none; /* Initially hidden */
}

.gst-results-container h3 {
    margin-top: 0;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
    color: #2c3e50;
}

.gst-result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 16px;
}

.gst-result-item.total {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #ddd;
    font-weight: 700;
    font-size: 18px;
    color: #27ae60;
}

/* Error message styling */
.gst-error {
    color: #e74c3c;
    margin-top: 5px;
    font-size: 14px;
    display: none;
}

/* Responsive design */
@media (max-width: 600px) {
    .gst-calculator-container {
        padding: 15px;
    }
    
    .gst-calculate-btn {
        padding: 12px;
        font-size: 16px;
    }
}