/* Styles for Smoking Index (Pack-Year) Calculator */
.calcufacil-smoking_index_calculator.calcufacil-container.enhanced-smokingindex-calc {
    max-width: 850px;
    margin: 25px auto;
    background: #fff7f7; /* Light red/pinkish for health warning context */
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.07);
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 20px;
    font-family: 'Arial', sans-serif;
}

.calcufacil-smoking_index_calculator .calcufacil-left.calculator-form {
    flex: 1 1 40%;
    min-width: 300px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 5px rgba(0,0,0,0.05);
}

.calcufacil-smoking_index_calculator .calcufacil-right.results.enhanced-smokingindex-results {
    flex: 1 1 60%;
    min-width: 330px;
    background: #fff;
    padding: 20px 25px;
    border-radius: 8px;
    border: 1px solid #ffebee; /* Light red border */
    box-shadow: 0 1px 5px rgba(0,0,0,0.05);
}

.calcufacil-smoking_index_calculator .calculator-form h3 {
    font-size: 18px; color: #d32f2f; /* Red for health topic */ margin-top:0; margin-bottom: 10px; font-weight: 600;
}
.calcufacil-smoking_index_calculator .calculator-form .description,
.calcufacil-smoking_index_calculator .calculator-form .instruction {
    font-size: 13.5px; color: #e57373; margin-bottom: 15px; line-height: 1.5;
}
.calcufacil-smoking_index_calculator .calculator-form .instruction {font-style: italic; font-size: 0.85em; color: #ef9a9a;}

.calcufacil-smoking_index_calculator .calculator-form fieldset {
    border: 1px solid #ffcdd2; /* Lighter red border */
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 15px;
}
.calcufacil-smoking_index_calculator .calculator-form legend {
    font-weight: 600; color: #c62828; padding: 0 8px; font-size: 1em;
    display: flex; align-items: center; gap: 6px;
}
.calcufacil-smoking_index_calculator .calculator-form legend i { color: #ef5350; }

.calcufacil-smoking_index_calculator .input-group { margin-bottom: 12px; display: flex; flex-direction: column; }
.calcufacil-smoking_index_calculator .input-group label {
    font-weight: 500; color: #c62828; margin-bottom: 4px; font-size: 13px;
}
.calcufacil-smoking_index_calculator .input-group input[type="text"],
.calcufacil-smoking_index_calculator .input-group input[type="number"] {
    width: 100%; padding: 8px; border: 1px solid #ef9a9a; border-radius: 4px;
    font-size: 14px; box-sizing: border-box;
}

.calcufacil-smoking_index_calculator button[type="submit"] {
    background: #c62828; color: #fff; padding: 10px 20px; border: none; border-radius: 5px;
    cursor: pointer; font-size: 15px; width: 100%; margin-top: 10px; font-weight: bold;
}
.calcufacil-smoking_index_calculator button[type="submit"]:hover { background: #b71c1c; }

/* Results Area Styling */
.calcufacil-smoking_index_calculator .results.enhanced-smokingindex-results h2 {
    font-size: 20px; color: #d32f2f; text-align: center; margin-top:0; margin-bottom: 15px;
}
.calcufacil-smoking_index_calculator .smokingindex-result-display {
    text-align: center;
    background-color: #fff0f0;
    padding: 15px;
    border-radius: 6px;
    border: 1px solid #ffcdd2;
    margin-bottom: 20px;
}
.calcufacil-smoking_index_calculator .smokingindex-result-display p {
    font-size: 0.95em; color: #b71c1c; margin-bottom: 8px;
}
.calcufacil-smoking_index_calculator .smokingindex-result-display ul {
    list-style: none; padding: 0; margin: 0 auto 10px auto; font-size:0.9em; max-width: 300px; text-align: left;
}
.calcufacil-smoking_index_calculator .smokingindex-result-display ul li { margin-bottom: 4px; color: #c62828;}

.calcufacil-smoking_index_calculator .pack-years-value-box {
    margin: 10px 0;
    font-size: 1.1em;
    color: #b71c1c;
}
.calcufacil-smoking_index_calculator .pack-years-value {
    display: block;
    font-size: 3em;
    font-weight: bold;
    color: #d32f2f;
    margin: 5px 0;
}
.calcufacil-smoking_index_calculator .risk-interpretation {
    font-weight: bold;
    padding: 8px;
    border-radius: 4px;
    margin-top: 10px;
    font-size: 1em !important;
}
.calcufacil-smoking_index_calculator .risk-none { background-color: #e8f5e9; color: #2e7d32 !important;}
.calcufacil-smoking_index_calculator .risk-low { background-color: #e3f2fd; color: #1565c0 !important;}
.calcufacil-smoking_index_calculator .risk-mild { background-color: #fffde7; color: #f57f17 !important;}
.calcufacil-smoking_index_calculator .risk-moderate { background-color: #fff3e0; color: #e65100 !important;}
.calcufacil-smoking_index_calculator .risk-high { background-color: #ffebee; color: #c62828 !important;}
.calcufacil-smoking_index_calculator .risk-very-high { background-color: #fce4ec; color: #ad1457 !important;}


.calcufacil-smoking_index_calculator .disclaimer-box.smokingindex-disclaimer {
    margin-top: 20px; padding: 12px; background-color: #fff8f8;
    border: 1px solid #ffe4e4; border-left: 3px solid #ef9a9a; border-radius: 4px; font-size: 0.85em;
}
.calcufacil-smoking_index_calculator .disclaimer-box h4 { margin-top: 0; margin-bottom: 8px; color: #c62828; }
.calcufacil-smoking_index_calculator .disclaimer-box ul { list-style: disc; margin-left: 18px; padding-left: 0; color: #d32f2f; line-height: 1.5; }
.calcufacil-smoking_index_calculator .disclaimer-box strong { color: #b71c1c;}


.calcufacil-smoking_index_calculator .errors.main-error,
.calcufacil-smoking_index_calculator .initial-message {
    text-align: center; padding: 15px; border-radius: 5px;
}
.calcufacil-smoking_index_calculator .errors.main-error {
    color: #721c24; background-color: #f8d7da; border-color: #f5c6cb;
    border: 1px solid transparent;
}
.calcufacil-smoking_index_calculator .initial-message {
    background-color: #fff7f7; border: 1px dashed #ffebee; color: #e57373;
}

@media (max-width: 768px) {
    .calcufacil-smoking_index_calculator.calcufacil-container.enhanced-smokingindex-calc {
        flex-direction: column;
    }
    .calcufacil-smoking_index_calculator .calcufacil-left.calculator-form,
    .calcufacil-smoking_index_calculator .calcufacil-right.results.enhanced-smokingindex-results {
        flex-basis: 100%; min-width: 100%; margin-bottom: 20px;
    }
    .calcufacil-smoking_index_calculator .calcufacil-right.results.enhanced-smokingindex-results { margin-bottom: 0; padding-top:30px; padding-bottom:30px;}
}