/* ============================================
   Biological Age Calculator — Emerald Theme
   ============================================ */

.bio-age-calculator-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 16px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: #1e293b;
    line-height: 1.6;
}

.bio-age-calculator-container *,
.bio-age-calculator-container *::before,
.bio-age-calculator-container *::after {
    box-sizing: border-box;
}

/* ============ HERO ============ */

.bio-age-hero {
    background: linear-gradient(135deg, #10b981, #0d9488);
    color: #fff;
    text-align: center;
    padding: 48px 32px 40px;
    border-radius: 16px;
    margin-bottom: 32px;
}

.bio-age-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 0 0 12px;
    color: #fff;
    line-height: 1.2;
}

.bio-age-hero .hero-subtitle {
    font-size: 1.05rem;
    opacity: 0.92;
    margin: 0 0 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.bio-age-calculator-container .hero-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.bio-age-calculator-container .hero-badges .badge {
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    color: #fff;
}

.bio-age-calculator-container .hero-badges .badge-icon {
    margin-right: 4px;
}

/* ============ STATS ROW ============ */

.bio-age-calculator-container .stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.bio-age-calculator-container .stat-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.bio-age-calculator-container .stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: #10b981;
    line-height: 1.2;
}

.bio-age-calculator-container .stat-label {
    display: block;
    font-size: 0.82rem;
    color: #64748b;
    margin-top: 4px;
}

/* ============ PRIVACY NOTICE ============ */

.bio-age-calculator-container .privacy-notice {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-left: 4px solid #10b981;
    border-radius: 8px;
    padding: 14px 20px;
    font-size: 0.9rem;
    margin-bottom: 32px;
    color: #065f46;
}

/* ============ CALCULATOR FORM ============ */

.bio-age-calculator-container .calculator-form-section {
    margin-bottom: 32px;
}

.bio-age-calculator-container .form-instructions {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.bio-age-calculator-container .form-instructions h2 {
    font-size: 1.4rem;
    color: #1e293b;
    margin: 0 0 12px;
}

.bio-age-calculator-container .form-instructions p {
    font-size: 0.95rem;
    color: #475569;
    margin: 0;
    line-height: 1.6;
}

/* ============ CHRONOLOGICAL AGE INPUT ============ */

.bio-age-calculator-container .age-input-card {
    background: #ecfdf5;
    border: 2px solid #a7f3d0;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    text-align: center;
}

.bio-age-calculator-container .age-input-label {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: #065f46;
    margin-bottom: 14px;
}

.bio-age-calculator-container .age-input-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.bio-age-calculator-container .age-input-wrapper input[type="number"] {
    width: 200px;
    padding: 12px 16px;
    font-size: 1.2rem;
    font-weight: 700;
    border: 2px solid #a7f3d0;
    border-radius: 10px;
    text-align: center;
    color: #1e293b;
    background: #fff;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    -moz-appearance: textfield;
}

.bio-age-calculator-container .age-input-wrapper input[type="number"]::-webkit-outer-spin-button,
.bio-age-calculator-container .age-input-wrapper input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.bio-age-calculator-container .age-input-wrapper input[type="number"]:focus {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.bio-age-calculator-container .age-input-suffix {
    font-size: 1rem;
    font-weight: 600;
    color: #64748b;
}

/* ============ DOMAIN HEADERS ============ */

.bio-age-calculator-container .domain-header {
    display: flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border: 1px solid #a7f3d0;
    border-left: 4px solid #10b981;
    border-radius: 8px;
    padding: 14px 20px;
    margin-bottom: 12px;
    margin-top: 24px;
}

.bio-age-calculator-container .domain-header:first-of-type {
    margin-top: 0;
}

.bio-age-calculator-container .domain-icon {
    font-size: 1.6rem;
    line-height: 1;
    flex-shrink: 0;
}

.bio-age-calculator-container .domain-title {
    font-size: 1rem;
    font-weight: 700;
    color: #065f46;
    margin: 0;
    line-height: 1.3;
}

.bio-age-calculator-container .domain-desc {
    font-size: 0.85rem;
    color: #047857;
    margin: 2px 0 0;
    line-height: 1.4;
}

/* ============ PROGRESS WRAPPER (injected by JS) ============ */

.bio-age-calculator-container .mdcv2-progress-wrapper {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.bio-age-calculator-container .mdcv2-progress-text {
    font-size: 0.88rem;
    color: #64748b;
    margin-bottom: 8px;
    font-weight: 600;
}

.bio-age-calculator-container .mdcv2-progress-bar {
    background: #e2e8f0;
    border-radius: 50px;
    height: 10px;
    overflow: hidden;
}

.bio-age-calculator-container .mdcv2-progress-fill {
    background: linear-gradient(90deg, #10b981, #0d9488);
    height: 100%;
    border-radius: 50px;
    transition: width 0.4s ease;
}

/* ============ QUESTION CARDS ============ */

.bio-age-calculator-container .question-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.bio-age-calculator-container .question-card:hover {
    border-color: #a7f3d0;
}

.bio-age-calculator-container .question-card.answered {
    border-color: #6ee7b7;
    box-shadow: 0 1px 3px rgba(16, 185, 129, 0.1);
}

.bio-age-calculator-container .question-text {
    margin: 0 0 14px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #1e293b;
}

.bio-age-calculator-container .q-number {
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    background: #10b981;
    color: #fff;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    margin-right: 10px;
    vertical-align: middle;
}

/* ============ OPTION GROUP (radio buttons) ============ */

.bio-age-calculator-container .option-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 8px;
}

.bio-age-calculator-container .option-btn {
    cursor: pointer;
    margin: 0;
}

.bio-age-calculator-container .option-btn input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.bio-age-calculator-container .option-btn span {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px 10px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.85rem;
    color: #64748b;
    background: #f8fafc;
    transition: all 0.2s ease;
    min-height: 48px;
}

.bio-age-calculator-container .option-btn:hover span {
    border-color: #6ee7b7;
    color: #059669;
    background: #ecfdf5;
}

.bio-age-calculator-container .option-btn input[type="radio"]:checked + span {
    background: #10b981;
    color: #fff;
    border-color: #10b981;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

/* ============ SUBMIT BUTTON ============ */

.bio-age-calculator-container .form-submit {
    text-align: center;
    margin-top: 32px;
}

.bio-age-calculator-container .submit-btn {
    background: linear-gradient(135deg, #10b981, #0d9488);
    color: #fff;
    border: none;
    padding: 16px 48px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.bio-age-calculator-container .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.bio-age-calculator-container .submit-btn:active {
    transform: translateY(0);
}

/* ============ RESULTS SECTION ============ */

.bio-age-calculator-container .results-section {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 40px 32px;
    margin-bottom: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.bio-age-calculator-container .results-section h2 {
    text-align: center;
    font-size: 1.6rem;
    color: #1e293b;
    margin: 0 0 32px;
}

/* ============ AGE COMPARISON DISPLAY ============ */

.bio-age-calculator-container .age-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.bio-age-calculator-container .age-comparison-card {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 28px 36px;
    text-align: center;
    min-width: 180px;
    flex: 1;
    max-width: 260px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bio-age-calculator-container .age-comparison-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.bio-age-calculator-container .age-comparison-card.bio-age-card {
    background: #ecfdf5;
    border-color: #a7f3d0;
}

.bio-age-calculator-container .age-comparison-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.bio-age-calculator-container .age-comparison-value {
    font-size: 3.5rem;
    font-weight: 800;
    color: #1e293b;
    line-height: 1;
    margin-bottom: 8px;
}

.bio-age-calculator-container .age-comparison-card.bio-age-card .age-comparison-value {
    color: #10b981;
}

.bio-age-calculator-container .age-comparison-sublabel {
    font-size: 0.82rem;
    color: #94a3b8;
    font-weight: 500;
}

.bio-age-calculator-container .age-comparison-card.bio-age-card .age-comparison-sublabel {
    color: #059669;
    font-weight: 600;
}

.bio-age-calculator-container .age-comparison-vs {
    font-size: 1.4rem;
    font-weight: 800;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
    flex-shrink: 0;
}

/* Bio age result color states */
.bio-age-calculator-container .bio-age-card.age-younger .age-comparison-value {
    color: #10b981;
}

.bio-age-calculator-container .bio-age-card.age-same .age-comparison-value {
    color: #0d9488;
}

.bio-age-calculator-container .bio-age-card.age-older .age-comparison-value {
    color: #ef4444;
}

.bio-age-calculator-container .bio-age-card.age-older {
    background: #fef2f2;
    border-color: #fecaca;
}

.bio-age-calculator-container .bio-age-card.age-older .age-comparison-sublabel {
    color: #dc2626;
}

/* ============ RESULT CATEGORY BANNER ============ */

.bio-age-calculator-container .result-category-banner {
    text-align: center;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 32px;
    border: 2px solid #e2e8f0;
}

.bio-age-calculator-container .category-label {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.bio-age-calculator-container .category-desc {
    font-size: 0.93rem;
    color: #475569;
    line-height: 1.5;
}

/* Category banner severity states */
.bio-age-calculator-container .result-category-banner.banner-excellent {
    background: #ecfdf5;
    border-color: #a7f3d0;
}

.bio-age-calculator-container .result-category-banner.banner-excellent .category-label {
    color: #059669;
}

.bio-age-calculator-container .result-category-banner.banner-good {
    background: #f0fdfa;
    border-color: #99f6e4;
}

.bio-age-calculator-container .result-category-banner.banner-good .category-label {
    color: #0d9488;
}

.bio-age-calculator-container .result-category-banner.banner-average {
    background: #fefce8;
    border-color: #fde68a;
}

.bio-age-calculator-container .result-category-banner.banner-average .category-label {
    color: #ca8a04;
}

.bio-age-calculator-container .result-category-banner.banner-below-average {
    background: #fff7ed;
    border-color: #fed7aa;
}

.bio-age-calculator-container .result-category-banner.banner-below-average .category-label {
    color: #ea580c;
}

.bio-age-calculator-container .result-category-banner.banner-poor {
    background: #fef2f2;
    border-color: #fecaca;
}

.bio-age-calculator-container .result-category-banner.banner-poor .category-label {
    color: #dc2626;
}

/* ============ DOMAIN BREAKDOWN ============ */

.bio-age-calculator-container .domain-breakdown {
    margin-bottom: 32px;
}

.bio-age-calculator-container .domain-breakdown h3 {
    font-size: 1.2rem;
    color: #1e293b;
    margin: 0 0 20px;
}

.bio-age-calculator-container .domain-bar-group {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.bio-age-calculator-container .domain-bar-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.bio-age-calculator-container .domain-bar-label {
    flex-shrink: 0;
    width: 160px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #1e293b;
    text-align: right;
}

.bio-age-calculator-container .domain-bar-track {
    flex: 1;
    height: 14px;
    background: #e2e8f0;
    border-radius: 50px;
    overflow: hidden;
    position: relative;
}

.bio-age-calculator-container .domain-bar-fill {
    height: 100%;
    border-radius: 50px;
    transition: width 0.8s ease;
    background: linear-gradient(90deg, #10b981, #0d9488);
}

/* Domain bar color states based on score */
.bio-age-calculator-container .domain-bar-row.domain-excellent .domain-bar-fill {
    background: linear-gradient(90deg, #10b981, #059669);
}

.bio-age-calculator-container .domain-bar-row.domain-good .domain-bar-fill {
    background: linear-gradient(90deg, #34d399, #10b981);
}

.bio-age-calculator-container .domain-bar-row.domain-average .domain-bar-fill {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

.bio-age-calculator-container .domain-bar-row.domain-poor .domain-bar-fill {
    background: linear-gradient(90deg, #f97316, #ea580c);
}

.bio-age-calculator-container .domain-bar-row.domain-very-poor .domain-bar-fill {
    background: linear-gradient(90deg, #f87171, #ef4444);
}

.bio-age-calculator-container .domain-bar-value {
    flex-shrink: 0;
    width: 40px;
    font-size: 0.88rem;
    font-weight: 700;
    color: #1e293b;
    text-align: left;
}

/* Individual domain bar accent colors */
.bio-age-calculator-container .domain-bar-row[data-domain-key="activity"] .domain-bar-fill {
    background: linear-gradient(90deg, #10b981, #059669);
}

.bio-age-calculator-container .domain-bar-row[data-domain-key="nutrition"] .domain-bar-fill {
    background: linear-gradient(90deg, #34d399, #10b981);
}

.bio-age-calculator-container .domain-bar-row[data-domain-key="sleep"] .domain-bar-fill {
    background: linear-gradient(90deg, #8b5cf6, #7c3aed);
}

.bio-age-calculator-container .domain-bar-row[data-domain-key="stress"] .domain-bar-fill {
    background: linear-gradient(90deg, #f59e0b, #d97706);
}

.bio-age-calculator-container .domain-bar-row[data-domain-key="habits"] .domain-bar-fill {
    background: linear-gradient(90deg, #0ea5e9, #0284c7);
}

.bio-age-calculator-container .domain-bar-row[data-domain-key="chronic"] .domain-bar-fill {
    background: linear-gradient(90deg, #f87171, #ef4444);
}

/* ============ IMPROVEMENT CARD ============ */

.bio-age-calculator-container .improvement-card {
    background: #fff7ed;
    border: 2px solid #fed7aa;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 28px;
}

.bio-age-calculator-container .improvement-card h3 {
    font-size: 1.1rem;
    margin: 0 0 16px;
    color: #ea580c;
}

.bio-age-calculator-container .improvement-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #fff;
    border: 1px solid #fed7aa;
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 10px;
}

.bio-age-calculator-container .improvement-item:last-child {
    margin-bottom: 0;
}

.bio-age-calculator-container .improvement-rank {
    width: 36px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    background: #f97316;
    color: #fff;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 800;
    flex-shrink: 0;
}

.bio-age-calculator-container .improvement-info {
    flex: 1;
}

.bio-age-calculator-container .improvement-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 2px;
}

.bio-age-calculator-container .improvement-detail {
    font-size: 0.82rem;
    color: #64748b;
    line-height: 1.5;
}

.bio-age-calculator-container .no-improvements {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 8px;
    padding: 14px 18px;
}

.bio-age-calculator-container .no-improvements p {
    margin: 0;
    font-size: 0.93rem;
    color: #065f46;
}

/* ============ RECOMMENDATIONS CARD ============ */

.bio-age-calculator-container .recommendations-card {
    background: #ecfdf5;
    border: 2px solid #a7f3d0;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 28px;
}

.bio-age-calculator-container .recommendations-card h3 {
    font-size: 1.1rem;
    margin: 0 0 12px;
    color: #065f46;
}

.bio-age-calculator-container .recommendations-card p {
    font-size: 0.93rem;
    color: #475569;
    margin: 0 0 8px;
    line-height: 1.6;
}

.bio-age-calculator-container .recommendations-card ul {
    padding-left: 20px;
    margin: 0 0 14px;
}

.bio-age-calculator-container .recommendations-card li {
    font-size: 0.93rem;
    color: #475569;
    margin-bottom: 6px;
    line-height: 1.6;
}

.bio-age-calculator-container .recommendation-item {
    background: #fff;
    border: 1px solid #a7f3d0;
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 10px;
}

.bio-age-calculator-container .recommendation-item:last-child {
    margin-bottom: 0;
}

.bio-age-calculator-container .recommendation-domain {
    font-size: 0.82rem;
    font-weight: 700;
    color: #10b981;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.bio-age-calculator-container .recommendation-text {
    font-size: 0.93rem;
    color: #1e293b;
    line-height: 1.6;
    margin: 0;
}

/* ============ RESULT ACTIONS ============ */

.bio-age-calculator-container .result-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.bio-age-calculator-container .mdcv2-print-btn,
.bio-age-calculator-container .mdcv2-share-btn {
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid #e2e8f0;
    background: #fff;
    color: #475569;
    transition: all 0.2s ease;
}

.bio-age-calculator-container .mdcv2-print-btn:hover,
.bio-age-calculator-container .mdcv2-share-btn:hover {
    border-color: #10b981;
    color: #10b981;
    background: #ecfdf5;
}

/* ============ HISTORY ============ */

.bio-age-calculator-container .mdcv2-history-section {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 28px;
}

.bio-age-calculator-container .mdcv2-history-section h3 {
    font-size: 1.1rem;
    margin: 0 0 16px;
    color: #1e293b;
}

.bio-age-calculator-container .history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bio-age-calculator-container .history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.88rem;
}

.bio-age-calculator-container .history-date {
    color: #64748b;
    font-weight: 500;
}

.bio-age-calculator-container .history-result {
    color: #10b981;
    font-weight: 700;
}

.bio-age-calculator-container .mdcv2-clear-history {
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 0.82rem;
    cursor: pointer;
    padding: 6px 0;
    margin-top: 4px;
    text-decoration: underline;
}

.bio-age-calculator-container .mdcv2-clear-history:hover {
    color: #10b981;
}

/* ============ RETAKE ============ */

.bio-age-calculator-container .retake-wrapper {
    text-align: center;
}

.bio-age-calculator-container .retake-btn {
    background: #fff;
    color: #10b981;
    border: 2px solid #10b981;
    padding: 14px 40px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.bio-age-calculator-container .retake-btn:hover {
    background: #10b981;
    color: #fff;
}

/* ============ EDUCATION TABS ============ */

.bio-age-calculator-container .education-tabs {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.bio-age-calculator-container .tab-nav {
    display: flex;
    gap: 6px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.bio-age-calculator-container .tab-btn {
    padding: 10px 18px;
    border: none;
    background: none;
    font-size: 0.9rem;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.bio-age-calculator-container .tab-btn:hover {
    color: #10b981;
}

.bio-age-calculator-container .tab-btn.active {
    color: #10b981;
    border-bottom-color: #10b981;
}

.bio-age-calculator-container .tab-content {
    display: none;
}

.bio-age-calculator-container .tab-content.active {
    display: block;
}

.bio-age-calculator-container .tab-content h3 {
    font-size: 1.2rem;
    color: #1e293b;
    margin: 0 0 16px;
}

.bio-age-calculator-container .tab-content p {
    font-size: 0.95rem;
    color: #475569;
    margin: 0 0 14px;
}

.bio-age-calculator-container .tab-content ul {
    padding-left: 20px;
    margin: 0 0 14px;
}

.bio-age-calculator-container .tab-content li {
    font-size: 0.93rem;
    color: #475569;
    margin-bottom: 8px;
    line-height: 1.6;
}

/* ============ FAQ ACCORDION ============ */

.bio-age-calculator-container .faq-section {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.bio-age-calculator-container .faq-section h2 {
    font-size: 1.4rem;
    color: #1e293b;
    margin: 0 0 20px;
}

.bio-age-calculator-container .faq-item {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
}

.bio-age-calculator-container .faq-question {
    width: 100%;
    text-align: left;
    padding: 16px 48px 16px 20px;
    border: none;
    background: #f8fafc;
    font-size: 0.95rem;
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    transition: background 0.2s ease;
    position: relative;
}

.bio-age-calculator-container .faq-question::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.3rem;
    color: #10b981;
    font-weight: 700;
    transition: transform 0.3s ease;
}

.bio-age-calculator-container .faq-item.active .faq-question::after {
    content: '\2212';
}

.bio-age-calculator-container .faq-question:hover {
    background: #f1f5f9;
}

.bio-age-calculator-container .faq-item.active .faq-question {
    background: #ecfdf5;
}

.bio-age-calculator-container .faq-answer {
    display: none;
    padding: 0 20px 16px;
    background: #fff;
}

.bio-age-calculator-container .faq-item.active .faq-answer {
    display: block;
}

.bio-age-calculator-container .faq-answer p {
    font-size: 0.93rem;
    color: #475569;
    line-height: 1.7;
    margin: 12px 0 0;
}

/* ============ MEDICAL DISCLAIMER ============ */

.bio-age-calculator-container .medical-disclaimer {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-left: 4px solid #f59e0b;
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 32px;
}

.bio-age-calculator-container .medical-disclaimer h3 {
    font-size: 1rem;
    color: #92400e;
    margin: 0 0 8px;
}

.bio-age-calculator-container .medical-disclaimer p {
    font-size: 0.88rem;
    color: #78350f;
    margin: 0;
    line-height: 1.6;
}

/* ============ RELATED CALCULATORS ============ */

.bio-age-calculator-container .related-calculators {
    margin-bottom: 32px;
}

.bio-age-calculator-container .related-calculators h2 {
    font-size: 1.4rem;
    color: #1e293b;
    margin: 0 0 20px;
}

.bio-age-calculator-container .related-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.bio-age-calculator-container .related-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.bio-age-calculator-container .related-card:hover {
    border-color: #6ee7b7;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.12);
    transform: translateY(-2px);
}

.bio-age-calculator-container .related-card h4 {
    font-size: 0.95rem;
    color: #10b981;
    margin: 0 0 8px;
}

.bio-age-calculator-container .related-card p {
    font-size: 0.82rem;
    color: #64748b;
    margin: 0;
    line-height: 1.5;
}

/* ============ REFERENCES ============ */

.bio-age-calculator-container .references-section {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.bio-age-calculator-container .references-section h2 {
    font-size: 1.2rem;
    color: #1e293b;
    margin: 0 0 16px;
}

.bio-age-calculator-container .references-section ol {
    padding-left: 20px;
    margin: 0;
}

.bio-age-calculator-container .references-section li {
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 10px;
    line-height: 1.6;
}

.bio-age-calculator-container .references-section em {
    font-style: italic;
}

.bio-age-calculator-container .references-section a {
    color: #10b981;
    text-decoration: none;
}

.bio-age-calculator-container .references-section a:hover {
    text-decoration: underline;
}

/* ============ MOBILE RESPONSIVE — 768px ============ */

@media (max-width: 768px) {
    .bio-age-hero {
        padding: 32px 20px 28px;
    }

    .bio-age-hero h1 {
        font-size: 1.6rem;
    }

    .bio-age-hero .hero-subtitle {
        font-size: 0.92rem;
    }

    .bio-age-calculator-container .hero-badges {
        gap: 8px;
    }

    .bio-age-calculator-container .hero-badges .badge {
        font-size: 0.78rem;
        padding: 5px 12px;
    }

    .bio-age-calculator-container .stats-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .bio-age-calculator-container .stat-card {
        padding: 16px;
    }

    .bio-age-calculator-container .stat-number {
        font-size: 1.5rem;
    }

    .bio-age-calculator-container .form-instructions {
        padding: 18px;
    }

    .bio-age-calculator-container .age-input-card {
        padding: 18px;
    }

    .bio-age-calculator-container .age-input-wrapper input[type="number"] {
        width: 160px;
        font-size: 1rem;
        padding: 10px 14px;
    }

    .bio-age-calculator-container .domain-header {
        gap: 10px;
        padding: 12px 16px;
    }

    .bio-age-calculator-container .domain-icon {
        font-size: 1.3rem;
    }

    .bio-age-calculator-container .domain-title {
        font-size: 0.92rem;
    }

    .bio-age-calculator-container .domain-desc {
        font-size: 0.8rem;
    }

    .bio-age-calculator-container .question-card {
        padding: 16px;
    }

    .bio-age-calculator-container .option-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .bio-age-calculator-container .option-btn span {
        padding: 10px 6px;
        min-height: 44px;
        font-size: 0.8rem;
    }

    .bio-age-calculator-container .submit-btn {
        width: 100%;
        padding: 14px 32px;
    }

    .bio-age-calculator-container .results-section {
        padding: 28px 20px;
    }

    .bio-age-calculator-container .age-comparison {
        flex-direction: column;
        gap: 16px;
    }

    .bio-age-calculator-container .age-comparison-card {
        max-width: 100%;
        width: 100%;
        padding: 22px 28px;
    }

    .bio-age-calculator-container .age-comparison-value {
        font-size: 2.8rem;
    }

    .bio-age-calculator-container .age-comparison-vs {
        font-size: 1.1rem;
    }

    .bio-age-calculator-container .domain-bar-label {
        width: 110px;
        font-size: 0.82rem;
    }

    .bio-age-calculator-container .domain-bar-track {
        height: 12px;
    }

    .bio-age-calculator-container .domain-bar-value {
        font-size: 0.82rem;
    }

    .bio-age-calculator-container .improvement-card {
        padding: 18px;
    }

    .bio-age-calculator-container .improvement-item {
        gap: 12px;
        padding: 12px 14px;
    }

    .bio-age-calculator-container .improvement-rank {
        width: 30px;
        height: 30px;
        line-height: 30px;
        font-size: 0.78rem;
    }

    .bio-age-calculator-container .recommendations-card {
        padding: 18px;
    }

    .bio-age-calculator-container .result-actions {
        flex-direction: column;
        align-items: center;
    }

    .bio-age-calculator-container .mdcv2-print-btn,
    .bio-age-calculator-container .mdcv2-share-btn {
        width: 100%;
        max-width: 280px;
    }

    .bio-age-calculator-container .tab-nav {
        gap: 4px;
    }

    .bio-age-calculator-container .tab-btn {
        padding: 8px 12px;
        font-size: 0.82rem;
    }

    .bio-age-calculator-container .education-tabs {
        padding: 24px 20px;
    }

    .bio-age-calculator-container .faq-section {
        padding: 24px 20px;
    }

    .bio-age-calculator-container .related-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .bio-age-calculator-container .references-section {
        padding: 24px 20px;
    }
}

/* ============ MOBILE RESPONSIVE — 480px ============ */

@media (max-width: 480px) {
    .bio-age-calculator-container {
        padding: 0 10px;
    }

    .bio-age-hero {
        padding: 24px 16px;
        border-radius: 12px;
    }

    .bio-age-hero h1 {
        font-size: 1.35rem;
    }

    .bio-age-calculator-container .age-input-wrapper {
        flex-direction: column;
        gap: 6px;
    }

    .bio-age-calculator-container .age-input-wrapper input[type="number"] {
        width: 100%;
    }

    .bio-age-calculator-container .domain-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .bio-age-calculator-container .option-group {
        grid-template-columns: 1fr 1fr;
    }

    .bio-age-calculator-container .age-comparison-card {
        padding: 18px 20px;
    }

    .bio-age-calculator-container .age-comparison-value {
        font-size: 2.4rem;
    }

    .bio-age-calculator-container .domain-bar-row {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .bio-age-calculator-container .domain-bar-label {
        width: 100%;
        text-align: left;
        font-size: 0.82rem;
    }

    .bio-age-calculator-container .domain-bar-track {
        height: 10px;
    }

    .bio-age-calculator-container .domain-bar-value {
        text-align: right;
        width: 100%;
        font-size: 0.8rem;
    }

    .bio-age-calculator-container .related-grid {
        grid-template-columns: 1fr;
    }

    .bio-age-calculator-container .tab-nav {
        flex-direction: column;
        border-bottom: none;
        gap: 2px;
    }

    .bio-age-calculator-container .tab-btn {
        border-bottom: none;
        border-left: 3px solid transparent;
        text-align: left;
        margin-bottom: 0;
        padding: 10px 14px;
        background: #f8fafc;
        border-radius: 6px;
        white-space: normal;
    }

    .bio-age-calculator-container .tab-btn.active {
        border-bottom-color: transparent;
        border-left-color: #10b981;
        background: #ecfdf5;
    }

    .bio-age-calculator-container .q-number {
        width: 24px;
        height: 24px;
        line-height: 24px;
        font-size: 0.72rem;
        margin-right: 8px;
    }

    .bio-age-calculator-container .result-category-banner {
        padding: 16px 18px;
    }

    .bio-age-calculator-container .category-label {
        font-size: 1.1rem;
    }

    .bio-age-calculator-container .category-desc {
        font-size: 0.85rem;
    }

    .bio-age-calculator-container .improvement-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .bio-age-calculator-container .faq-question {
        padding: 14px 40px 14px 16px;
        font-size: 0.88rem;
    }

    .bio-age-calculator-container .faq-answer {
        padding: 0 16px 14px;
    }
}

/* ============ PRINT STYLES ============ */

@media print {
    .bio-age-calculator-container {
        max-width: 100%;
        padding: 0;
    }

    .bio-age-calculator-container .calculator-form-section {
        display: none !important;
    }

    .bio-age-calculator-container .submit-btn,
    .bio-age-calculator-container .retake-btn,
    .bio-age-calculator-container .mdcv2-print-btn,
    .bio-age-calculator-container .mdcv2-share-btn,
    .bio-age-calculator-container .mdcv2-clear-history {
        display: none !important;
    }

    .bio-age-calculator-container .results-section {
        box-shadow: none;
        border: 1px solid #ccc;
        display: block !important;
    }

    .bio-age-hero {
        background: #10b981 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .bio-age-calculator-container .age-comparison-card {
        border: 1px solid #ccc;
        box-shadow: none;
    }

    .bio-age-calculator-container .age-comparison-card.bio-age-card {
        background: #ecfdf5 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .bio-age-calculator-container .domain-bar-fill {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .bio-age-calculator-container .result-category-banner {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .bio-age-calculator-container .education-tabs,
    .bio-age-calculator-container .faq-section {
        page-break-inside: avoid;
    }

    .bio-age-calculator-container .related-calculators {
        display: none !important;
    }

    .bio-age-calculator-container .mdcv2-history-section {
        display: none !important;
    }

    .bio-age-calculator-container .retake-wrapper {
        display: none !important;
    }

    .bio-age-calculator-container .privacy-notice {
        display: none !important;
    }
}