/* =========================================
   PREGNANCY DUE DATE CALCULATOR CSS
   ========================================= */

:root {
    --preg-gradient: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
    --preg-gradient-2: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
    --preg-gradient-3: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    --preg-gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --preg-gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --preg-bg-dark: #0f172a;
    --preg-bg-card: #1e293b;
    --preg-bg-input: #0f172a;
    --preg-border: #334155;
    --preg-border-light: #475569;
    --preg-white: #ffffff;
    --preg-gray: #cbd5e1;
    --preg-muted: #94a3b8;
    --preg-success: #22c55e;
    --preg-warning: #f59e0b;
    --preg-danger: #ef4444;
    --preg-pink: #ec4899;
    --preg-purple: #a855f7;
    --preg-cyan: #06b6d4;
    --preg-t1: #f472b6;
    --preg-t2: #a78bfa;
    --preg-t3: #60a5fa;
}

.preg-calc-wrapper {
    background: linear-gradient(to bottom, var(--preg-bg-dark), var(--preg-bg-card));
    padding: 3rem 1.5rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--preg-white);
    line-height: 1.6;
    min-height: 100vh;
}

.preg-calc-wrapper * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.preg-calc-container {
    max-width: 1100px;
    margin: 0 auto;
}

/* Header */
.preg-calc-wrapper .calc-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.preg-calc-wrapper .calc-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--preg-white);
    margin-bottom: 1rem;
    background: var(--preg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.preg-calc-wrapper .calc-description {
    font-size: 1.1rem;
    color: var(--preg-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* Card */
.preg-calc-wrapper .calc-card {
    background: var(--preg-bg-card);
    border: 1px solid var(--preg-border);
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Section Title */
.preg-calc-wrapper .section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--preg-white);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.preg-calc-wrapper .section-title i {
    color: var(--preg-pink);
}

.preg-calc-wrapper .section-desc {
    color: var(--preg-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* Method Tabs */
.preg-calc-wrapper .method-section {
    margin-bottom: 2rem;
}

.preg-calc-wrapper .method-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
}

.preg-calc-wrapper .method-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1rem;
    background: var(--preg-bg-input);
    border: 2px solid var(--preg-border);
    border-radius: 1rem;
    color: var(--preg-muted);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preg-calc-wrapper .method-tab i {
    font-size: 1.5rem;
}

.preg-calc-wrapper .method-tab:hover {
    border-color: var(--preg-pink);
    color: var(--preg-pink);
}

.preg-calc-wrapper .method-tab.active {
    background: var(--preg-gradient);
    border-color: transparent;
    color: var(--preg-white);
}

/* Method Content */
.preg-calc-wrapper .method-content {
    display: none;
}

.preg-calc-wrapper .method-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Form Styles */
.preg-calc-wrapper .form-section {
    background: var(--preg-bg-input);
    border: 1px solid var(--preg-border);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.preg-calc-wrapper .form-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--preg-white);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preg-calc-wrapper .form-title i {
    color: var(--preg-pink);
}

.preg-calc-wrapper .form-desc {
    color: var(--preg-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.preg-calc-wrapper .form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.preg-calc-wrapper .form-grid.single {
    grid-template-columns: 1fr;
    max-width: 400px;
}

.preg-calc-wrapper .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.preg-calc-wrapper .form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--preg-gray);
}

.preg-calc-wrapper .input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.preg-calc-wrapper .input-suffix {
    position: absolute;
    right: 1rem;
    color: var(--preg-muted);
    font-size: 0.9rem;
    pointer-events: none;
}

.preg-calc-wrapper .form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--preg-bg-card);
    border: 2px solid var(--preg-border-light);
    border-radius: 0.75rem;
    color: var(--preg-white);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.preg-calc-wrapper .form-input:focus {
    outline: none;
    border-color: var(--preg-pink);
    box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.15);
}

.preg-calc-wrapper select.form-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.preg-calc-wrapper .form-hint {
    font-size: 0.8rem;
    color: var(--preg-muted);
}

/* Buttons */
.preg-calc-wrapper .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.25rem 2.5rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preg-calc-wrapper .btn-primary {
    background: var(--preg-gradient);
    color: var(--preg-white);
    box-shadow: 0 10px 30px rgba(236, 72, 153, 0.3);
}

.preg-calc-wrapper .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(236, 72, 153, 0.5);
}

.preg-calc-wrapper .btn-secondary {
    background: var(--preg-border);
    color: var(--preg-white);
}

.preg-calc-wrapper .btn-secondary:hover {
    background: var(--preg-border-light);
}

.preg-calc-wrapper .controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.preg-calc-wrapper .controls .btn {
    flex: 1;
    min-width: 200px;
}

/* Error Box */
.preg-calc-wrapper .error-box {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.5);
    border-radius: 0.75rem;
    color: #f87171;
    margin-bottom: 1.5rem;
}

.preg-calc-wrapper .error-box.show {
    display: flex;
}

/* Result Section */
.preg-calc-wrapper .result-section {
    display: none;
    padding-top: 2rem;
    border-top: 2px solid var(--preg-border);
}

.preg-calc-wrapper .result-section.show {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Due Date Result */
.preg-calc-wrapper .due-date-result {
    background: var(--preg-gradient);
    border-radius: 1.5rem;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2.5rem;
    box-shadow: 0 20px 40px rgba(236, 72, 153, 0.3);
}

.preg-calc-wrapper .result-header {
    margin-bottom: 2rem;
}

.preg-calc-wrapper .baby-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--preg-white);
}

.preg-calc-wrapper .result-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--preg-white);
}

.preg-calc-wrapper .due-date-display {
    margin-bottom: 1.5rem;
}

.preg-calc-wrapper .due-date-main {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.75rem;
}

.preg-calc-wrapper .due-day {
    font-size: 5rem;
    font-weight: 900;
    color: var(--preg-white);
    line-height: 1;
}

.preg-calc-wrapper .due-month {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--preg-white);
    text-transform: uppercase;
}

.preg-calc-wrapper .due-year {
    font-size: 2rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
}

.preg-calc-wrapper .due-date-weekday {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    margin-top: 0.5rem;
}

.preg-calc-wrapper .conception-info {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
}

.preg-calc-wrapper .conception-info i {
    margin-right: 0.5rem;
    color: var(--preg-white);
}

/* Progress Section */
.preg-calc-wrapper .progress-section {
    margin-bottom: 2.5rem;
}

.preg-calc-wrapper .progress-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.preg-calc-wrapper .progress-card {
    background: var(--preg-bg-input);
    border: 1px solid var(--preg-border);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
}

.preg-calc-wrapper .progress-card .progress-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--preg-white);
}

.preg-calc-wrapper .weeks-card .progress-icon {
    background: var(--preg-gradient);
}

.preg-calc-wrapper .trimester-card .progress-icon {
    background: var(--preg-gradient-2);
}

.preg-calc-wrapper .countdown-card .progress-icon {
    background: var(--preg-gradient-3);
}

.preg-calc-wrapper .percent-card .progress-icon {
    background: var(--preg-gradient-success);
}

.preg-calc-wrapper .progress-label {
    font-size: 0.85rem;
    color: var(--preg-muted);
    margin-bottom: 0.5rem;
}

.preg-calc-wrapper .progress-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--preg-white);
    margin-bottom: 0.25rem;
}

.preg-calc-wrapper .progress-subtitle {
    font-size: 0.85rem;
    color: var(--preg-muted);
}

.preg-calc-wrapper .progress-bar-mini {
    height: 6px;
    background: var(--preg-border);
    border-radius: 3px;
    margin-top: 0.75rem;
    overflow: hidden;
}

.preg-calc-wrapper .progress-bar-mini .bar-fill {
    height: 100%;
    background: var(--preg-gradient-success);
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* Pregnancy Progress Bar */
.preg-calc-wrapper .pregnancy-progress-bar {
    background: var(--preg-bg-input);
    border: 1px solid var(--preg-border);
    border-radius: 1rem;
    padding: 2rem;
}

.preg-calc-wrapper .progress-track {
    position: relative;
    height: 16px;
    background: var(--preg-border);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    overflow: visible;
}

.preg-calc-wrapper .progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--preg-gradient);
    border-radius: 8px;
    transition: width 0.5s ease;
}

.preg-calc-wrapper .progress-marker {
    position: absolute;
    top: -8px;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.preg-calc-wrapper .marker-dot {
    width: 32px;
    height: 32px;
    background: var(--preg-white);
    border: 4px solid var(--preg-pink);
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.preg-calc-wrapper .marker-label {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--preg-pink);
    white-space: nowrap;
}

.preg-calc-wrapper .trimester-labels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.preg-calc-wrapper .trimester-label {
    text-align: center;
    padding: 0.75rem;
    border-radius: 0.5rem;
}

.preg-calc-wrapper .trimester-label.t1 {
    background: rgba(244, 114, 182, 0.1);
    border: 1px solid rgba(244, 114, 182, 0.3);
}

.preg-calc-wrapper .trimester-label.t2 {
    background: rgba(167, 139, 250, 0.1);
    border: 1px solid rgba(167, 139, 250, 0.3);
}

.preg-calc-wrapper .trimester-label.t3 {
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.3);
}

.preg-calc-wrapper .t-name {
    display: block;
    font-weight: 600;
    color: var(--preg-white);
    margin-bottom: 0.25rem;
}

.preg-calc-wrapper .t-weeks {
    font-size: 0.85rem;
    color: var(--preg-muted);
}

/* Milestones */
.preg-calc-wrapper .important-dates-section {
    margin-bottom: 2.5rem;
}

.preg-calc-wrapper .milestones-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.preg-calc-wrapper .milestone-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--preg-bg-input);
    border: 1px solid var(--preg-border);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.preg-calc-wrapper .milestone-card.highlight {
    background: rgba(236, 72, 153, 0.1);
    border-color: var(--preg-pink);
}

.preg-calc-wrapper .milestone-card.passed {
    opacity: 0.6;
}

.preg-calc-wrapper .milestone-card.passed .milestone-status::after {
    content: '✓';
    color: var(--preg-success);
    font-weight: bold;
}

.preg-calc-wrapper .milestone-card.current {
    border-color: var(--preg-success);
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.2);
}

.preg-calc-wrapper .milestone-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--preg-gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--preg-white);
}

.preg-calc-wrapper .milestone-card.highlight .milestone-icon {
    background: var(--preg-gradient);
}

.preg-calc-wrapper .milestone-content {
    flex: 1;
}

.preg-calc-wrapper .milestone-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--preg-white);
    margin-bottom: 0.25rem;
}

.preg-calc-wrapper .milestone-date {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--preg-pink);
}

.preg-calc-wrapper .milestone-week {
    font-size: 0.8rem;
    color: var(--preg-muted);
}

/* Development Section */
.preg-calc-wrapper .development-section {
    margin-bottom: 2.5rem;
}

.preg-calc-wrapper .development-card {
    background: var(--preg-bg-input);
    border: 1px solid var(--preg-border);
    border-radius: 1rem;
    overflow: hidden;
}

.preg-calc-wrapper .development-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: var(--preg-gradient-2);
}

.preg-calc-wrapper .week-badge {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--preg-white);
}

.preg-calc-wrapper .week-badge span {
    font-size: 2rem;
}

.preg-calc-wrapper .size-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    color: var(--preg-white);
}

.preg-calc-wrapper .size-icon {
    font-size: 1.5rem;
}

.preg-calc-wrapper .development-body {
    padding: 1.5rem;
}

.preg-calc-wrapper .size-comparison {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--preg-bg-card);
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
}

.preg-calc-wrapper .comparison-icon {
    font-size: 3rem;
}

.preg-calc-wrapper .comparison-text {
    font-size: 1rem;
    color: var(--preg-gray);
}

.preg-calc-wrapper .comparison-text span {
    font-weight: 700;
    color: var(--preg-white);
}

.preg-calc-wrapper .development-details,
.preg-calc-wrapper .development-tips {
    margin-bottom: 1.5rem;
}

.preg-calc-wrapper .development-details:last-child,
.preg-calc-wrapper .development-tips:last-child {
    margin-bottom: 0;
}

.preg-calc-wrapper .development-details h4,
.preg-calc-wrapper .development-tips h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--preg-white);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preg-calc-wrapper .development-tips h4 i {
    color: var(--preg-warning);
}

.preg-calc-wrapper .development-text,
.preg-calc-wrapper .tips-text {
    color: var(--preg-muted);
    line-height: 1.7;
}

/* Date Range Section */
.preg-calc-wrapper .date-range-section {
    margin-bottom: 2.5rem;
    background: var(--preg-bg-input);
    border: 1px solid var(--preg-border);
    border-radius: 1rem;
    padding: 2rem;
}

.preg-calc-wrapper .date-range-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.preg-calc-wrapper .range-item {
    text-align: center;
    padding: 1.25rem 2rem;
    background: var(--preg-bg-card);
    border-radius: 0.75rem;
    min-width: 150px;
}

.preg-calc-wrapper .range-item.due {
    background: var(--preg-gradient);
}

.preg-calc-wrapper .range-label {
    font-size: 0.85rem;
    color: var(--preg-muted);
    margin-bottom: 0.5rem;
}

.preg-calc-wrapper .range-item.due .range-label {
    color: rgba(255,255,255,0.9);
}

.preg-calc-wrapper .range-date {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--preg-white);
}

.preg-calc-wrapper .range-arrow {
    color: var(--preg-pink);
    font-size: 1.25rem;
}

.preg-calc-wrapper .term-definitions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.preg-calc-wrapper .term-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preg-calc-wrapper .term-badge {
    padding: 0.375rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.preg-calc-wrapper .term-badge.early-term {
    background: rgba(245, 158, 11, 0.2);
    color: var(--preg-warning);
}

.preg-calc-wrapper .term-badge.full-term {
    background: rgba(34, 197, 94, 0.2);
    color: var(--preg-success);
}

.preg-calc-wrapper .term-badge.late-term {
    background: rgba(168, 85, 247, 0.2);
    color: var(--preg-purple);
}

.preg-calc-wrapper .term-badge.post-term {
    background: rgba(239, 68, 68, 0.2);
    color: var(--preg-danger);
}

.preg-calc-wrapper .term-desc {
    font-size: 0.85rem;
    color: var(--preg-muted);
}

/* Calendar Section */
.preg-calc-wrapper .calendar-section {
    margin-bottom: 2.5rem;
}

.preg-calc-wrapper .calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.preg-calc-wrapper .btn-toggle-calendar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--preg-border);
    border: none;
    border-radius: 0.5rem;
    color: var(--preg-white);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preg-calc-wrapper .btn-toggle-calendar:hover {
    background: var(--preg-border-light);
}

.preg-calc-wrapper .btn-toggle-calendar.active i {
    transform: rotate(180deg);
}

.preg-calc-wrapper .calendar-wrapper {
    background: var(--preg-bg-input);
    border: 1px solid var(--preg-border);
    border-radius: 1rem;
    padding: 1.5rem;
}

.preg-calc-wrapper .calendar-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 0.5rem;
}

.preg-calc-wrapper .calendar-week {
    padding: 0.75rem;
    background: var(--preg-bg-card);
    border: 1px solid var(--preg-border);
    border-radius: 0.5rem;
    text-align: center;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preg-calc-wrapper .calendar-week:hover {
    border-color: var(--preg-pink);
}

.preg-calc-wrapper .calendar-week.passed {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
}

.preg-calc-wrapper .calendar-week.current {
    background: var(--preg-gradient);
    border-color: transparent;
    color: var(--preg-white);
    font-weight: 700;
}

.preg-calc-wrapper .calendar-week.future {
    opacity: 0.5;
}

.preg-calc-wrapper .week-num {
    display: block;
    font-weight: 700;
    color: var(--preg-white);
}

.preg-calc-wrapper .week-date {
    display: block;
    font-size: 0.7rem;
    color: var(--preg-muted);
    margin-top: 0.25rem;
}

/* Info Cards */
.preg-calc-wrapper .info-card {
    background: var(--preg-bg-card);
    border: 1px solid var(--preg-border);
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.preg-calc-wrapper .info-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--preg-white);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.preg-calc-wrapper .info-title i {
    color: var(--preg-pink);
}

/* Trimester Guide */
.preg-calc-wrapper .trimester-guide {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.preg-calc-wrapper .trimester-box {
    background: var(--preg-bg-input);
    border-radius: 1rem;
    overflow: hidden;
}

.preg-calc-wrapper .trimester-header {
    padding: 1.5rem;
    text-align: center;
}

.preg-calc-wrapper .trimester-box.first .trimester-header {
    background: linear-gradient(135deg, var(--preg-t1), #f9a8d4);
}

.preg-calc-wrapper .trimester-box.second .trimester-header {
    background: linear-gradient(135deg, var(--preg-t2), #c4b5fd);
}

.preg-calc-wrapper .trimester-box.third .trimester-header {
    background: linear-gradient(135deg, var(--preg-t3), #93c5fd);
}

.preg-calc-wrapper .trimester-num {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--preg-white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.preg-calc-wrapper .trimester-box h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--preg-white);
    margin-bottom: 0.25rem;
}

.preg-calc-wrapper .trimester-range {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.9);
}

.preg-calc-wrapper .trimester-content {
    padding: 1.5rem;
}

.preg-calc-wrapper .trimester-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--preg-white);
    margin-bottom: 0.75rem;
    margin-top: 1rem;
}

.preg-calc-wrapper .trimester-content h4:first-child {
    margin-top: 0;
}

.preg-calc-wrapper .trimester-content ul {
    list-style: none;
    padding: 0;
}

.preg-calc-wrapper .trimester-content li {
    padding: 0.375rem 0;
    padding-left: 1.25rem;
    position: relative;
    font-size: 0.9rem;
    color: var(--preg-muted);
}

.preg-calc-wrapper .trimester-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--preg-pink);
}

/* Prenatal Schedule */
.preg-calc-wrapper .prenatal-schedule {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.preg-calc-wrapper .schedule-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.25rem;
    background: var(--preg-bg-input);
    border: 1px solid var(--preg-border);
    border-radius: 0.75rem;
}

.preg-calc-wrapper .schedule-period {
    min-width: 120px;
    padding: 0.75rem 1rem;
    background: var(--preg-gradient-2);
    border-radius: 0.5rem;
    font-weight: 600;
    color: var(--preg-white);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preg-calc-wrapper .schedule-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--preg-white);
    margin-bottom: 0.5rem;
}

.preg-calc-wrapper .schedule-content p {
    font-size: 0.9rem;
    color: var(--preg-muted);
    margin: 0;
}

/* FAQ */
.preg-calc-wrapper .faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.preg-calc-wrapper .faq-item {
    background: var(--preg-bg-input);
    border: 1px solid var(--preg-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.preg-calc-wrapper .faq-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--preg-white);
    margin-bottom: 0.75rem;
}

.preg-calc-wrapper .faq-item p {
    font-size: 0.95rem;
    color: var(--preg-muted);
    line-height: 1.7;
    margin: 0;
}

/* Disclaimer */
.preg-calc-wrapper .disclaimer-box {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 1rem;
}

.preg-calc-wrapper .disclaimer-icon {
    font-size: 1.5rem;
    color: var(--preg-warning);
}

.preg-calc-wrapper .disclaimer-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--preg-warning);
    margin-bottom: 0.5rem;
}

.preg-calc-wrapper .disclaimer-content p {
    font-size: 0.9rem;
    color: var(--preg-muted);
    margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .preg-calc-wrapper .progress-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .preg-calc-wrapper .milestones-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .preg-calc-wrapper .trimester-guide {
        grid-template-columns: 1fr;
    }

    .preg-calc-wrapper .calendar-grid {
        grid-template-columns: repeat(8, 1fr);
    }
}

@media (max-width: 768px) {
    .preg-calc-wrapper {
        padding: 2rem 1rem;
    }

    .preg-calc-wrapper .calc-title {
        font-size: 2rem;
    }

    .preg-calc-wrapper .calc-card {
        padding: 1.5rem;
    }

    .preg-calc-wrapper .method-tabs {
        grid-template-columns: repeat(2, 1fr);
    }

    .preg-calc-wrapper .form-grid {
        grid-template-columns: 1fr;
    }

    .preg-calc-wrapper .controls {
        flex-direction: column;
    }

    .preg-calc-wrapper .due-day {
        font-size: 3.5rem;
    }

    .preg-calc-wrapper .due-month {
        font-size: 1.75rem;
    }

    .preg-calc-wrapper .due-year {
        font-size: 1.5rem;
    }

    .preg-calc-wrapper .progress-cards {
        grid-template-columns: 1fr;
    }

    .preg-calc-wrapper .milestones-grid {
        grid-template-columns: 1fr;
    }

    .preg-calc-wrapper .date-range-display {
        flex-direction: column;
    }

    .preg-calc-wrapper .range-arrow {
        transform: rotate(90deg);
    }

    .preg-calc-wrapper .term-definitions {
        flex-direction: column;
        align-items: center;
    }

    .preg-calc-wrapper .calendar-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .preg-calc-wrapper .schedule-item {
        flex-direction: column;
    }

    .preg-calc-wrapper .schedule-period {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .preg-calc-wrapper .calc-title {
        font-size: 1.75rem;
    }

    .preg-calc-wrapper .method-tabs {
        grid-template-columns: 1fr;
    }

    .preg-calc-wrapper .due-date-main {
        flex-direction: column;
        gap: 0;
    }

    .preg-calc-wrapper .trimester-labels {
        grid-template-columns: 1fr;
    }

    .preg-calc-wrapper .calendar-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}