/* Permutation/Combination Styles - Math/Stats Theme */
.calcufacil-permutation_combination_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);
    display: flex; flex-wrap: wrap; gap: 30px; font-family: Arial, sans-serif;
}
.calcufacil-permutation_combination_calculator h3 {
    width: 100%; text-align: center; color: #6f42c1; /* Indigo */
    margin-bottom: 20px; font-size: 24px;
}
.calcufacil-permutation_combination_calculator .calcufacil-left,
.calcufacil-permutation_combination_calculator .calcufacil-right {
    flex: 1; min-width: 300px;
}
/* Form */
.calcufacil-permutation_combination_calculator .calculator-form h2 { font-size: 20px; color: #6f42c1; margin-bottom: 15px; }
.calcufacil-permutation_combination_calculator .input-group { margin-bottom: 20px; }
.calcufacil-permutation_combination_calculator label { display: block; font-weight: bold; color: #333; margin-bottom: 5px; font-size: 14px; }
.calcufacil-permutation_combination_calculator input[type="number"] {
    width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px;
    box-sizing: border-box; font-size: 16px; background: #f9f9f9;
}
.calcufacil-permutation_combination_calculator button {
    background-color: #8a63d2; color: #fff; padding: 12px 20px; border: none; border-radius: 4px;
    cursor: pointer; font-size: 16px; width: 100%; transition: background-color 0.3s ease; margin-top: 10px;
}
.calcufacil-permutation_combination_calculator button:hover { background-color: #6f42c1; }
.calcufacil-permutation_combination_calculator .formula-note {
    font-size: 11px; color: #666; margin-top: 15px; text-align: center; font-style: italic;
    background: #f8f7fa; padding: 8px; border-radius: 3px; line-height: 1.4;
}
/* Results */
.calcufacil-permutation_combination_calculator .results { background: #f3f0f9; padding: 25px; border-radius: 8px; border: 1px solid #dcd0e8; }
.calcufacil-permutation_combination_calculator .results-header { text-align: center; margin-bottom: 15px; }
.calcufacil-permutation_combination_calculator .results-header h2 { font-size: 20px; color: #59359a; margin: 0; }
.calcufacil-permutation_combination_calculator .input-summary { text-align: center; font-size: 14px; color: #555; margin-bottom: 20px; }
.calcufacil-permutation_combination_calculator .results-breakdown { display: flex; flex-direction: column; gap: 15px; margin-bottom: 15px; }
.calcufacil-permutation_combination_calculator .breakdown-item {
    padding: 15px; background: #fff; border-radius: 4px; font-size: 14px; color: #333;
    border-left: 4px solid #8a63d2; text-align: center; box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.calcufacil-permutation_combination_calculator .breakdown-item span:first-child { font-weight: bold; color: #444; display: block; margin-bottom: 8px; font-size: 15px;}
.calcufacil-permutation_combination_calculator .breakdown-item span:last-child { font-weight: bold; color: #4d2d80; font-size: 1.9em; display: block; word-wrap: break-word; }
.calcufacil-permutation_combination_calculator .breakdown-item.main-result { background-color: #e8e1f2; border-left-color: #6f42c1;}
.calcufacil-permutation_combination_calculator .breakdown-item.main-result.alt { background-color: #fdf4f8; border-left-color: #d63384;} /* Use a different color for combinations */
.calcufacil-permutation_combination_calculator .breakdown-item.main-result.alt span:last-child { color: #b02a6d; }


.calcufacil-permutation_combination_calculator .note { font-size: 12px; color: #555; text-align: center; margin-top: 15px; font-style: italic; line-height: 1.4; }
.calcufacil-permutation_combination_calculator .warning-note { color: #856404; background-color: #fff3cd; border: 1px solid #ffeeba; padding: 8px; border-radius: 4px;}
.calcufacil-permutation_combination_calculator .errors { color: #721c24; background-color: #f8d7da; border: 1px solid #f5c6cb; padding: 10px 15px; border-radius: 4px; margin-top: 15px; }
.calcufacil-permutation_combination_calculator .errors ul { list-style: none; padding: 0; margin: 0; }
.calcufacil-permutation_combination_calculator .errors li { margin-bottom: 5px; }
.calcufacil-permutation_combination_calculator .errors li:last-child { margin-bottom: 0; }