/**
 * Age Calculator Styles
 * SEO-optimized tool page styling
 */

:root {
    --ac-primary: #6366f1;
    --ac-primary-dark: #4f46e5;
    --ac-primary-light: #818cf8;
    --ac-primary-bg: #eef2ff;
    
    --ac-text-primary: #1e293b;
    --ac-text-secondary: #64748b;
    --ac-text-muted: #94a3b8;
    
    --ac-bg-white: #ffffff;
    --ac-bg-light: #f8fafc;
    --ac-bg-lighter: #f1f5f9;
    --ac-bg-border: #e2e8f0;
    
    --ac-error: #dc2626;
    --ac-error-bg: #fef2f2;
    --ac-success: #16a34a;
    --ac-success-bg: #f0fdf4;
    --ac-warning: #d97706;
    --ac-warning-bg: #fffbeb;
    
    --ac-spacing-xs: 0.25rem;
    --ac-spacing-sm: 0.5rem;
    --ac-spacing-md: 1rem;
    --ac-spacing-lg: 1.5rem;
    --ac-spacing-xl: 2rem;
    --ac-spacing-2xl: 3rem;
    
    --ac-radius-sm: 0.375rem;
    --ac-radius-md: 0.5rem;
    --ac-radius-lg: 0.75rem;
    --ac-radius-xl: 1rem;
    
    --ac-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --ac-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --ac-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    
    --ac-transition-fast: 150ms ease-in-out;
    --ac-transition-normal: 250ms ease-in-out;
}

.age-tool-page {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--ac-text-primary);
    max-width: 900px;
    margin: 0 auto;
    padding: var(--ac-spacing-md);
    box-sizing: border-box;
}

.age-tool-page * {
    box-sizing: border-box;
}

/* Header */
.age-page-header {
    text-align: center;
    margin-bottom: var(--ac-spacing-2xl);
    padding-bottom: var(--ac-spacing-xl);
    border-bottom: 2px solid var(--ac-bg-border);
}

.age-page-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--ac-text-primary);
    margin: 0 0 var(--ac-spacing-lg) 0;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

@media screen and (max-width: 768px) {
    .age-page-title {
        font-size: 1.75rem;
    }
}

/* Anchor Navigation */
.age-anchor-nav {
    margin-top: var(--ac-spacing-lg);
}

.age-anchor-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--ac-spacing-sm);
    list-style: none;
    margin: 0;
    padding: 0;
}

.age-anchor-link {
    display: inline-block;
    padding: var(--ac-spacing-sm) var(--ac-spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ac-text-secondary);
    text-decoration: none;
    background: var(--ac-bg-light);
    border: 1px solid var(--ac-bg-border);
    border-radius: var(--ac-radius-md);
    transition: all var(--ac-transition-fast);
}

.age-anchor-link:hover,
.age-anchor-link:focus {
    color: var(--ac-primary);
    background: var(--ac-primary-bg);
    border-color: var(--ac-primary-light);
    text-decoration: none;
}

@media screen and (max-width: 600px) {
    .age-anchor-list {
        gap: var(--ac-spacing-xs);
    }
    
    .age-anchor-link {
        padding: var(--ac-spacing-xs) var(--ac-spacing-sm);
        font-size: 0.8125rem;
    }
}

/* Sections */
.age-section {
    margin-bottom: var(--ac-spacing-2xl);
}

.age-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ac-text-primary);
    margin: 0 0 var(--ac-spacing-lg) 0;
    padding-bottom: var(--ac-spacing-sm);
    border-bottom: 2px solid var(--ac-primary);
    display: inline-block;
}

@media screen and (max-width: 768px) {
    .age-section-title {
        font-size: 1.25rem;
    }
}

/* Intro Section */
.age-intro-section {
    background: var(--ac-bg-light);
    padding: var(--ac-spacing-xl);
    border-radius: var(--ac-radius-lg);
    border-left: 4px solid var(--ac-primary);
}

.age-intro-content {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--ac-text-secondary);
}

.age-intro-content p {
    margin: 0 0 var(--ac-spacing-md) 0;
}

.age-intro-content p:last-child {
    margin-bottom: 0;
}

/* Calculator Section */
.age-calculator-section {
    scroll-margin-top: var(--ac-spacing-xl);
}

.age-calculator-wrapper {
    max-width: 100%;
}

.age-calculator-container {
    background: var(--ac-bg-white);
    border-radius: var(--ac-radius-xl);
    box-shadow: var(--ac-shadow-lg);
    overflow: hidden;
    border: 1px solid var(--ac-bg-border);
}

/* Form */
.age-calculator-form {
    padding: var(--ac-spacing-xl);
}

.age-form-group {
    margin-bottom: var(--ac-spacing-lg);
}

.age-form-label {
    display: block;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--ac-text-primary);
    margin-bottom: var(--ac-spacing-sm);
}

.age-form-input {
    width: 100%;
    padding: var(--ac-spacing-md);
    font-size: 1rem;
    border: 2px solid var(--ac-bg-border);
    border-radius: var(--ac-radius-md);
    background: var(--ac-bg-white);
    color: var(--ac-text-primary);
    transition: all var(--ac-transition-fast);
    outline: none;
}

.age-form-input:hover {
    border-color: var(--ac-primary-light);
}

.age-form-input:focus {
    border-color: var(--ac-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.age-form-hint {
    display: block;
    font-size: 0.8125rem;
    color: var(--ac-text-secondary);
    margin-top: var(--ac-spacing-xs);
}

/* Form Actions */
.age-form-actions {
    display: flex;
    gap: var(--ac-spacing-md);
    margin-top: var(--ac-spacing-xl);
}

.age-calculate-btn,
.age-reset-btn {
    flex: 1;
    padding: var(--ac-spacing-md) var(--ac-spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--ac-radius-md);
    cursor: pointer;
    transition: all var(--ac-transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.age-calculate-btn {
    background: linear-gradient(135deg, var(--ac-primary) 0%, var(--ac-primary-dark) 100%);
    color: white;
    box-shadow: var(--ac-shadow-md);
}

.age-calculate-btn:hover,
.age-calculate-btn:focus {
    background: linear-gradient(135deg, var(--ac-primary-dark) 0%, #4338ca 100%);
    transform: translateY(-1px);
    box-shadow: var(--ac-shadow-lg);
    outline: none;
}

.age-reset-btn {
    background: var(--ac-bg-light);
    color: var(--ac-text-secondary);
    border: 2px solid var(--ac-bg-border);
}

.age-reset-btn:hover,
.age-reset-btn:focus {
    background: var(--ac-bg-border);
    color: var(--ac-text-primary);
    border-color: var(--ac-text-muted);
    outline: none;
}

@media screen and (max-width: 480px) {
    .age-form-actions {
        flex-direction: column;
    }
}

/* Error Messages */
.age-error-container {
    display: flex;
    align-items: center;
    gap: var(--ac-spacing-sm);
    margin: 0 var(--ac-spacing-xl) var(--ac-spacing-lg) var(--ac-spacing-xl);
    padding: var(--ac-spacing-md) var(--ac-spacing-lg);
    background: var(--ac-error-bg);
    border: 1px solid #fecaca;
    border-radius: var(--ac-radius-md);
    color: var(--ac-error);
    font-size: 0.9375rem;
    font-weight: 500;
    animation: slideDown var(--ac-transition-normal);
}

.age-error-icon {
    font-size: 1.125rem;
    flex-shrink: 0;
}

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

/* Results */
.age-results {
    padding: 0 var(--ac-spacing-xl) var(--ac-spacing-xl) var(--ac-spacing-xl);
    animation: fadeIn var(--ac-transition-normal);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.age-results-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ac-text-primary);
    margin: 0 0 var(--ac-spacing-lg) 0;
    padding-bottom: var(--ac-spacing-sm);
    border-bottom: 2px solid var(--ac-bg-border);
}

.age-results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--ac-spacing-md);
    margin-bottom: var(--ac-spacing-lg);
}

.age-result-card {
    background: linear-gradient(135deg, var(--ac-primary-bg) 0%, #e0e7ff 100%);
    border: 2px solid var(--ac-primary-light);
    border-radius: var(--ac-radius-lg);
    padding: var(--ac-spacing-lg);
    text-align: center;
    transition: all var(--ac-transition-fast);
}

.age-result-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--ac-shadow-md);
}

.age-result-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ac-primary);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.age-result-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ac-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--ac-spacing-xs);
}

@media screen and (max-width: 600px) {
    .age-results-grid {
        grid-template-columns: 1fr;
    }
    
    .age-result-number {
        font-size: 2rem;
    }
}

/* Result Detail */
.age-result-detail {
    background: var(--ac-success-bg);
    border: 1px solid #bbf7d0;
    border-radius: var(--ac-radius-md);
    padding: var(--ac-spacing-lg);
}

.age-result-detail p {
    margin: 0 0 var(--ac-spacing-sm) 0;
    font-size: 1rem;
    color: var(--ac-text-primary);
}

.age-result-detail p:last-child {
    margin-bottom: 0;
}

.age-result-detail strong {
    color: var(--ac-success);
}

/* Content Boxes */
.age-content-box {
    background: var(--ac-bg-white);
    border: 1px solid var(--ac-bg-border);
    border-radius: var(--ac-radius-lg);
    padding: var(--ac-spacing-lg);
    box-shadow: var(--ac-shadow-sm);
}

.age-content-box p {
    margin: 0 0 var(--ac-spacing-md) 0;
    color: var(--ac-text-secondary);
    line-height: 1.8;
}

.age-content-box p:last-child {
    margin-bottom: 0;
}

/* Importance Grid */
.age-importance-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--ac-spacing-lg);
}

.age-importance-item {
    background: var(--ac-bg-white);
    border: 1px solid var(--ac-bg-border);
    border-radius: var(--ac-radius-lg);
    padding: var(--ac-spacing-lg);
    box-shadow: var(--ac-shadow-sm);
}

.age-importance-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ac-primary);
    margin: 0 0 var(--ac-spacing-sm) 0;
}

.age-importance-item p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--ac-text-secondary);
    line-height: 1.7;
}

@media screen and (max-width: 768px) {
    .age-importance-grid {
        grid-template-columns: 1fr;
    }
}

/* Example Section */
.age-example-section {
    scroll-margin-top: var(--ac-spacing-xl);
}

.age-example-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--ac-spacing-xl);
}

.age-example-scenario,
.age-example-steps {
    background: var(--ac-bg-white);
    border: 1px solid var(--ac-bg-border);
    border-radius: var(--ac-radius-lg);
    padding: var(--ac-spacing-lg);
    box-shadow: var(--ac-shadow-sm);
}

.age-example-scenario h3,
.age-example-steps h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ac-text-primary);
    margin: 0 0 var(--ac-spacing-md) 0;
}

.age-example-scenario p {
    margin: 0 0 var(--ac-spacing-sm) 0;
    font-size: 0.9375rem;
    color: var(--ac-text-secondary);
}

.age-example-steps ol {
    margin: 0;
    padding-left: var(--ac-spacing-lg);
}

.age-example-steps li {
    padding: var(--ac-spacing-xs) 0;
    font-size: 0.9375rem;
    color: var(--ac-text-secondary);
}

@media screen and (max-width: 768px) {
    .age-example-content {
        grid-template-columns: 1fr;
    }
}

/* Zodiac Grid */
.age-zodiac-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--ac-spacing-md);
}

.age-zodiac-item {
    background: var(--ac-bg-white);
    border: 1px solid var(--ac-bg-border);
    border-radius: var(--ac-radius-lg);
    padding: var(--ac-spacing-md);
    text-align: center;
    transition: all var(--ac-transition-fast);
}

.age-zodiac-item:hover {
    border-color: var(--ac-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--ac-shadow-md);
}

.age-zodiac-symbol {
    display: block;
    font-size: 1.75rem;
    margin-bottom: var(--ac-spacing-xs);
}

.age-zodiac-name {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--ac-text-primary);
}

.age-zodiac-dates {
    display: block;
    font-size: 0.6875rem;
    color: var(--ac-text-muted);
}

@media screen and (max-width: 900px) {
    .age-zodiac-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media screen and (max-width: 600px) {
    .age-zodiac-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 400px) {
    .age-zodiac-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* FAQ Section */
.age-faq-section {
    scroll-margin-top: var(--ac-spacing-xl);
}

.age-faq-container {
    display: flex;
    flex-direction: column;
    gap: var(--ac-spacing-sm);
}

.age-faq-item {
    background: var(--ac-bg-white);
    border: 1px solid var(--ac-bg-border);
    border-radius: var(--ac-radius-md);
    overflow: hidden;
}

.age-faq-question {
    margin: 0;
}

.age-faq-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--ac-spacing-md) var(--ac-spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    color: var(--ac-text-primary);
    background: var(--ac-bg-light);
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background var(--ac-transition-fast);
}

.age-faq-toggle:hover,
.age-faq-toggle:focus {
    background: var(--ac-bg-lighter);
    outline: none;
}

.age-faq-toggle[aria-expanded="true"] {
    background: var(--ac-primary-bg);
    color: var(--ac-primary);
}

.age-faq-icon {
    font-size: 1.25rem;
    font-weight: 400;
    transition: transform var(--ac-transition-fast);
}

.age-faq-toggle[aria-expanded="true"] .age-faq-icon {
    transform: rotate(45deg);
}

.age-faq-answer {
    padding: var(--ac-spacing-md) var(--ac-spacing-lg);
    font-size: 0.9375rem;
    color: var(--ac-text-secondary);
    line-height: 1.7;
    border-top: 1px solid var(--ac-bg-border);
}

.age-faq-answer[hidden] {
    display: none;
}

/* Disclaimer */
.age-disclaimer-section {
    margin-top: var(--ac-spacing-2xl);
    padding-top: var(--ac-spacing-xl);
    border-top: 2px solid var(--ac-bg-border);
}

.age-disclaimer-container {
    background: var(--ac-warning-bg);
    border: 1px solid #fcd34d;
    border-radius: var(--ac-radius-lg);
    padding: var(--ac-spacing-lg);
}

.age-disclaimer-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--ac-warning);
    margin: 0 0 var(--ac-spacing-md) 0;
    display: flex;
    align-items: center;
    gap: var(--ac-spacing-sm);
}

.age-disclaimer-title::before {
    content: '⚠';
    font-size: 1.25rem;
}

.age-disclaimer-content {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--ac-text-secondary);
}

.age-disclaimer-content p {
    margin: 0;
}

/* AdSense Spacing */
.age-section::after {
    content: '';
    display: block;
    height: var(--ac-spacing-xl);
    clear: both;
}

/* Print Styles */
@media print {
    .age-tool-page {
        max-width: 100%;
        padding: 0;
    }
    
    .age-anchor-nav,
    .age-form-actions,
    .age-error-container,
    .age-faq-toggle {
        display: none !important;
    }
    
    .age-faq-answer {
        display: block !important;
    }
    
    .age-calculator-container,
    .age-section {
        box-shadow: none;
        border: 1px solid #000;
        break-inside: avoid;
    }
    
    .age-results {
        display: block !important;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast */
@media (prefers-contrast: high) {
    .age-calculator-container,
    .age-section,
    .age-content-box,
    .age-importance-item,
    .age-example-scenario,
    .age-example-steps,
    .age-faq-item {
        border-width: 2px;
    }
    
    .age-form-input {
        border-width: 2px;
    }
    
    .age-calculate-btn {
        border: 2px solid currentColor;
    }
}

/* Focus Visible */
.age-anchor-link:focus-visible,
.age-form-input:focus-visible,
.age-calculate-btn:focus-visible,
.age-reset-btn:focus-visible,
.age-faq-toggle:focus-visible {
    outline: 3px solid var(--ac-primary);
    outline-offset: 2px;
}