/* A/B Test Significance Calculator Styles */
.calcufacil-ab_test_significance_calculator.calcufacil-container {
    max-width: 900px; margin: 20px auto; background: #fff; padding: 20px;
    border-radius: 8px; box-shadow: 0 0 10px rgba(0,0,0,0.1); font-family: Arial, sans-serif;
}
.calcufacil-ab_test_significance_calculator .main-title {
    width: 100%; text-align: center; color: #198754; margin-bottom: 20px; font-size: 24px;
}
.calcufacil-ab_test_significance_calculator .form-columns {
    display: flex; flex-wrap: wrap; gap: 30px; margin-bottom: 20px;
}
.calcufacil-ab_test_significance_calculator .form-column {
    flex: 1; min-width: 280px; background: #f9f9f9; padding: 15px; border-radius: 5px; border: 1px solid #eee;
}
.calcufacil-ab_test_significance_calculator .form-column h3 {
    margin-top: 0; color: #146c43; text-align: center; border-bottom: 1px solid #ddd; padding-bottom: 10px;
}
.calcufacil-ab_test_significance_calculator .input-group { margin-bottom: 15px; }
.calcufacil-ab_test_significance_calculator label { display: block; font-weight: bold; color: #333; margin-bottom: 5px; font-size: 14px; }
.calcufacil-ab_test_significance_calculator input[type="number"], 
.calcufacil-ab_test_significance_calculator select {
    width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; font-size: 16px;
}
.calcufacil-ab_test_significance_calculator .confidence-group { text-align: center; margin-bottom: 20px; }
.calcufacil-ab_test_significance_calculator .confidence-group label { margin-right: 10px; }
.calcufacil-ab_test_significance_calculator .confidence-group select { width: auto; }
.calcufacil-ab_test_significance_calculator .calculate-btn {
    display: block; width: 100%; background-color: #198754; color: #fff; padding: 12px 20px; border: none;
    border-radius: 4px; cursor: pointer; font-size: 18px; transition: background-color 0.3s ease;
}
.calcufacil-ab_test_significance_calculator .calculate-btn:hover { background-color: #146c43; }
.calcufacil-ab_test_significance_calculator .results-container { margin-top: 25px; }
.calcufacil-ab_test_significance_calculator .verdict { padding: 15px; border-radius: 5px; text-align: center; margin-bottom: 20px; }
.calcufacil-ab_test_significance_calculator .verdict h3 { margin-top: 0; }
.calcufacil-ab_test_significance_calculator .verdict.significant { background-color: #d1e7dd; color: #0f5132; border: 1px solid #badbcc; }
.calcufacil-ab_test_significance_calculator .verdict.not-significant { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.calcufacil-ab_test_significance_calculator .results-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; }
.calcufacil-ab_test_significance_calculator .result-box { background: #f8f9fa; border: 1px solid #dee2e6; border-radius: 5px; padding: 15px; text-align: center; }
.calcufacil-ab_test_significance_calculator .result-box h4 { margin: 0 0 10px 0; color: #495057; font-size: 14px; }
.calcufacil-ab_test_significance_calculator .result-box span { font-size: 24px; font-weight: bold; color: #146c43; }
.calcufacil-ab_test_significance_calculator .result-box span.positive { color: #198754; }
.calcufacil-ab_test_significance_calculator .result-box span.negative { color: #dc3545; }
.calcufacil-ab_test_significance_calculator .errors { color: #721c24; background-color: #f8d7da; border: 1px solid #f5c6cb; padding: 10px 15px; border-radius: 4px; margin-top: 15px; text-align: center; }