/* Opportunity Cost Calculator Styles - Finance/Decision Theme */
.calcufacil-opportunity_cost_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-opportunity_cost_calculator h3 {
    width: 100%; text-align: center; color: #ffc107; /* Amber - Thinking/Choice */
    margin-bottom: 20px; font-size: 24px;
}
.calcufacil-opportunity_cost_calculator .calcufacil-left,
.calcufacil-opportunity_cost_calculator .calcufacil-right {
    flex: 1; min-width: 300px;
}
/* Form */
.calcufacil-opportunity_cost_calculator .calculator-form h2 { font-size: 20px; color: #ffc107; margin-bottom: 15px; }
.calcufacil-opportunity_cost_calculator .input-group { margin-bottom: 18px; }
.calcufacil-opportunity_cost_calculator label { display: block; font-weight: bold; color: #333; margin-bottom: 5px; font-size: 14px; }
.calcufacil-opportunity_cost_calculator .input-group small { display: block; font-size: 11px; color: #666; margin-top: 4px; }
.calcufacil-opportunity_cost_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-opportunity_cost_calculator button {
    background-color: #ffb300; /* Amber Darken-1 */ color: #000; padding: 12px 20px; border: none; border-radius: 4px;
    cursor: pointer; font-size: 16px; width: 100%; transition: background-color 0.3s ease; margin-top: 10px; font-weight: bold;
}
.calcufacil-opportunity_cost_calculator button:hover { background-color: #ff8f00; /* Amber Darken-2 */ }
/* Results */
.calcufacil-opportunity_cost_calculator .results { background: #fff8e1; padding: 25px; border-radius: 8px; border: 1px solid #ffecb3; }
.calcufacil-opportunity_cost_calculator .results-header { text-align: center; margin-bottom: 20px; }
.calcufacil-opportunity_cost_calculator .results-header h2 { font-size: 20px; color: #e65100; margin: 0; }
.calcufacil-opportunity_cost_calculator .results-breakdown { display: flex; flex-direction: column; gap: 10px; margin-bottom: 15px; }
.calcufacil-opportunity_cost_calculator .breakdown-item {
    padding: 10px 15px; background: #fff; border-radius: 4px; font-size: 14px; color: #333;
    border-left: 3px solid #ffc107; /* Amber */ display: flex; justify-content: space-between; align-items: center;
}
.calcufacil-opportunity_cost_calculator .breakdown-item span:last-child { font-weight: bold; color: #e65100; text-align: right; font-size: 1.1em; }
.calcufacil-opportunity_cost_calculator .breakdown-item.main-result { background-color: #fff3e0; padding: 15px; font-weight: bold; border-left-color: #ffb300; }
.calcufacil-opportunity_cost_calculator .breakdown-item.main-result span:first-child { font-size: 16px; }
.calcufacil-opportunity_cost_calculator .breakdown-item.main-result span:last-child { font-size: 1.8em; color: #bf360c; }
.calcufacil-opportunity_cost_calculator .breakdown-item.emphasis span:last-child { color: #d84315; /* Deep Orange Darken-3 */ font-size: 1.3em;}

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