/* --- IMPROVED ONE-ENCOUNTER CALCULATOR STYLES (v4 - Final) --- */

/* Main Container & Sections */
#one-encounter-pregnancy-calculator { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; max-width: 550px; margin: 20px auto; padding: 25px; background-color: #fdfdff; border: 1px solid #e4e7eb; border-radius: 12px; box-shadow: 0 5px 25px rgba(0,0,0,0.07); color: #333; }
.form-group { margin-bottom: 18px; position: relative; }
.form-group:last-child { margin-bottom: 0; }
.form-divider { border: none; border-top: 1px solid #f1f3f5; margin: 25px 0; }

/* Form Elements */
#one-encounter-pregnancy-calculator-form label { display: block; font-weight: 500; font-size: 15px; color: #34495e; margin-bottom: 8px; }
#one-encounter-pregnancy-calculator-form input[type="date"], #one-encounter-pregnancy-calculator-form input[type="number"], #one-encounter-pregnancy-calculator-form select {
    width: 100%; height: 100%;
    padding: 12px; border: 1px solid #dcdfe6; border-radius: 6px; box-sizing: border-box;
    font-size: 16px; background-color: #fff; color: #333; transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
#one-encounter-pregnancy-calculator-form input:focus, #one-encounter-pregnancy-calculator-form select:focus { outline: none; border-color: #ec618c; box-shadow: 0 0 0 3px rgba(236, 97, 140, 0.2); }
#one-encounter-pregnancy-calculator-form input[type="submit"] {
    width: 100%; height: auto;
    background: #ec618c; color: #fff; font-size: 16px; font-weight: bold; cursor: pointer;
    border: none; border-radius: 8px; padding: 15px; margin-top: 10px; transition: all 0.3s ease;
}
#one-encounter-pregnancy-calculator-form input[type="submit"]:hover:not(:disabled) { background: #d4547d; transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
#one-encounter-pregnancy-calculator-form input[type="submit"]:disabled { background: #cccccc; cursor: not-allowed; opacity: 0.8; }

/* Accordion */
.accordion { border-top: 1px solid #f1f3f5; }
.accordion-item { border-bottom: 1px solid #f1f3f5; }
.accordion-header {
    all: unset; display: flex; justify-content: space-between; align-items: center; width: 100%; padding: 15px 5px;
    font-size: 16px; font-weight: 600; color: #34495e; /* Base text color */
    cursor: pointer; box-sizing: border-box;
    border-radius: 4px; transition: background-color 0.2s ease; -webkit-tap-highlight-color: transparent;
}
/* FIX: Explicitly set text color for all states to prevent it from turning white */
.accordion-header:hover {
    background-color: #f8f9fa;
    color: #34495e; /* Keep text dark on hover */
}
.accordion-header[aria-expanded="true"] {
    background-color: #fdedf2;
    color: #34495e; /* Keep text dark when expanded */
}
.accordion-header[aria-expanded="true"]:hover {
    background-color: #fce8ee;
    color: #34495e; /* Keep text dark on hover when expanded */
}
.accordion-header .icon { width: 10px; height: 10px; border-right: 2px solid #34495e; border-bottom: 2px solid #34495e; transform: rotate(45deg); transition: transform 0.3s ease; }
.accordion-header[aria-expanded="true"] .icon { transform: rotate(-135deg); }
.accordion-content { display: none; padding: 10px 5px 15px; }

/* Second Contraceptive Fieldset */
#oneEncSecondMethodFieldset { display: none; border: 1px dashed #ced4da; padding: 15px; margin-top: 20px; border-radius: 8px; position: relative; }
#oneEncSecondMethodFieldset legend { font-weight: 600; padding: 0 5px; }
.add-method-btn { all: unset; color: #ec618c; cursor: pointer; font-weight: 600; }
#removeOneEncSecondMethodBtn { all: unset; position: absolute; top: -5px; right: 5px; font-size: 24px; line-height: 1; color: #e74c3c; cursor: pointer; padding: 5px; }

/* Height/Weight Alignment */
.form-row { display: flex; gap: 10px; align-items: stretch; margin-bottom: 10px; }
.form-row .form-group { flex: 1; min-width: 0; margin-bottom: 0; }
.form-row .unit-selector-group { flex-grow: 0; flex-shrink: 0; flex-basis: 90px; }
.height-group { display: flex; gap: 10px; flex: 1; }
.height-group.cm-group { display: none; }
.height-group input { flex: 1 1 50%; min-width: 40px; }

/* Result Area */
#one-encounter-pregnancy-calculator-result { display: none; }
.spinner { width: 36px; height: 36px; border: 4px solid #f3b0c9; border-top-color: #ec618c; border-radius: 50%; margin: 30px auto; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.result-content { text-align: center; margin-top: 25px; padding: 20px; border: 1px solid #e0e0e0; border-radius: 8px; background-color: #fafcff; }
.result-header { font-weight: 600; color: #34495e; font-size: 16px; }
.result-bar-container { position: relative; width: 100%; height: 35px; background: #e9ecef; border: 1px solid #ced4da; border-radius: 6px; margin: 12px auto; overflow: hidden; }
.result-bar-fill { background: #f7a2bc; height: 100%; transition: width 0.8s cubic-bezier(0.25, 1, 0.5, 1); }
.result-bar-text { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 18px; color: #333; text-shadow: 0 0 5px #ffffff99; }
.result-fraction { font-size: 16px; color: #555; }