/* Styles for Weeks In Period Calculator */
.calcufacil-weeks_in_period_calculator.calcufacil-container.enhanced-weeksinperiod-calc {
    max-width: 900px;
    margin: 25px auto;
    background: #fafbff; /* Light lavender */
    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: 25px;
    font-family: 'Arial', sans-serif;
}

.calcufacil-weeks_in_period_calculator .calcufacil-left.calculator-form {
    flex: 1 1 40%;
    min-width: 300px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 7px rgba(0,0,0,0.06);
}

.calcufacil-weeks_in_period_calculator .calcufacil-right.results.enhanced-weeksinperiod-results {
    flex: 1 1 60%;
    min-width: 350px;
    background: #fff;
    padding: 20px 25px;
    border-radius: 8px;
    border: 1px solid #e8e4f1;
    box-shadow: 0 2px 7px rgba(0,0,0,0.06);
}

.calcufacil-weeks_in_period_calculator .calculator-form h3 {
    font-size: 20px; color: #7b68ee; /* MediumSlateBlue */ margin-top:0; margin-bottom: 10px; font-weight: 600;
}
.calcufacil-weeks_in_period_calculator .calculator-form .description {
    font-size: 14px; color: #9370db; /* MediumPurple */ margin-bottom: 18px; line-height: 1.5;
}
.calcufacil-weeks_in_period_calculator .calculator-form fieldset {
    border: 1px solid #dcd0ff; /* Light Lavender border */
    padding: 15px 18px;
    border-radius: 6px;
    margin-bottom: 20px;
}
.calcufacil-weeks_in_period_calculator .calculator-form legend {
    font-weight: 600; color: #8a2be2; /* BlueViolet */ padding: 0 10px; font-size: 1.1em;
    display: flex; align-items: center; gap: 8px;
}
.calcufacil-weeks_in_period_calculator .calculator-form legend i { color: #ba95e9; }

.calcufacil-weeks_in_period_calculator .input-group { margin-bottom: 12px; display: flex; flex-direction: column; }
.calcufacil-weeks_in_period_calculator .input-group label {
    font-weight: 500; color: #8a2be2; margin-bottom: 5px; font-size: 13.5px;
}
.calcufacil-weeks_in_period_calculator .input-group input[type="number"],
.calcufacil-weeks_in_period_calculator .input-group select {
    width: 100%; padding: 9px; border: 1px solid #c9b9e7; border-radius: 4px;
    font-size: 14px; box-sizing: border-box;
}

.calcufacil-weeks_in_period_calculator button[type="submit"] {
    background: #8a2be2; color: #fff; padding: 11px 22px; border: none; border-radius: 5px;
    cursor: pointer; font-size: 16px; width: 100%; margin-top: 10px; font-weight: bold;
}
.calcufacil-weeks_in_period_calculator button[type="submit"]:hover { background: #7b68ee; }

/* Results Area Styling */
.calcufacil-weeks_in_period_calculator .results.enhanced-weeksinperiod-results h2 {
    font-size: 21px; color: #7b68ee; text-align: center; margin-top:0; margin-bottom: 18px;
}
.calcufacil-weeks_in_period_calculator .weeksinperiod-result-display {
    background-color: #f3effc; border: 1px solid #dcd0ff; border-radius: 6px;
    padding: 15px; margin-bottom: 20px; text-align: left;
}
.calcufacil-weeks_in_period_calculator .weeksinperiod-result-display p {
    font-size: 1.05em; color: #7b68ee; margin: 0 0 10px 0;
}
.calcufacil-weeks_in_period_calculator .weeksinperiod-result-display p small { font-size: 0.85em; color: #9370db; display:block; margin-top: 10px;}
.calcufacil-weeks_in_period_calculator .weeksinperiod-result-display ul {
    list-style: none; padding-left: 0; font-size: 1em;
}
.calcufacil-weeks_in_period_calculator .weeksinperiod-result-display li {
    padding: 8px 0; color: #6a5acd; /* SlateBlue */
    border-bottom: 1px dotted #c9b9e7;
}
.calcufacil-weeks_in_period_calculator .weeksinperiod-result-display li:last-child { border-bottom: none;}
.calcufacil-weeks_in_period_calculator .weeksinperiod-result-display .value {
    font-weight: bold; color: #483d8b; /* DarkSlateBlue */
    float: right;
}

.calcufacil-weeks_in_period_calculator .initial-message {
    text-align: center; padding: 20px; background-color: #f3effc;
    border: 1px dashed #dcd0ff; border-radius: 5px; margin-top: 15px; color: #9370db;
}
@media (max-width: 900px) {
    .calcufacil-weeks_in_period_calculator.calcufacil-container.enhanced-weeksinperiod-calc { flex-direction: column; }
    .calcufacil-weeks_in_period_calculator .calcufacil-left.calculator-form,
    .calcufacil-weeks_in_period_calculator .calcufacil-right.results.enhanced-weeksinperiod-results {
        flex-basis: 100%; min-width: 100%; margin-bottom: 20px;
    }
    .calcufacil-weeks_in_period_calculator .calcufacil-right.results.enhanced-weeksinperiod-results { margin-bottom: 0; }
}