/* =============================================
   CALCULATORS INDEX PAGE STYLES
   calculators-index.css
   ============================================== */

/* =============================================
   CSS CUSTOM PROPERTIES (PAGE-SPECIFIC)
   ============================================== */
:root {
    --calc-primary: #667eea;
    --calc-primary-dark: #5a67d8;
    --calc-primary-light: #a3bffa;
    --calc-secondary: #48bb78;
    --calc-secondary-dark: #38a169;
    --calc-accent: #ed8936;
    --calc-accent-light: #fbd38d;
    
    /* Text colors - IMPROVED CONTRAST (WCAG AA Compliant) */
    --calc-text-primary: #1a202c;
    --calc-text-secondary: #2d3748;  /* Darker - was #4a5568 */
    --calc-text-muted: #4a5568;      /* Darker - was #718096 */
    --calc-text-light: #e2e8f0;      /* Lighter for dark bg - was #a0aec0 */
    
    /* Additional high-contrast text options */
    --calc-text-on-dark: #f7fafc;
    --calc-link-on-dark: #90cdf4;
    --calc-meta-label: #2d3748;
    --calc-meta-value: #1a202c;
    
    --calc-bg-white: #ffffff;
    --calc-bg-light: #f7fafc;
    --calc-bg-alt: #edf2f7;
    --calc-bg-dark: #1a202c;         /* Darker - was #2d3748 */
    
    --calc-border-light: #e2e8f0;
    --calc-border-medium: #cbd5e0;
    
    --calc-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --calc-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --calc-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --calc-shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    --calc-radius-sm: 6px;
    --calc-radius-md: 10px;
    --calc-radius-lg: 16px;
    --calc-radius-xl: 24px;
    
    --calc-transition: 0.2s ease;
    --calc-transition-slow: 0.3s ease;
}

/* =============================================
   CALCULATOR DIRECTORY PAGE - BASE
   ============================================== */
.calculator-directory-page {
    background-color: var(--calc-bg-light);
    min-height: 100vh;
}

.calculator-directory-page section {
    padding: 3rem 0;
}

.calculator-directory-page section:nth-child(even) {
    background-color: var(--calc-bg-white);
}

/* =============================================
   PAGE HEADER
   ============================================== */
.calculator-directory-page .page-header {
    background: linear-gradient(135deg, var(--calc-primary) 0%, var(--calc-primary-dark) 100%);
    color: var(--calc-bg-white);
    padding: 3rem 0 2.5rem;
    text-align: center;
}

.calculator-directory-page .page-header h1 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--calc-bg-white);
}

.calculator-directory-page .page-header .page-intro {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto 1.5rem;
    opacity: 0.95;
}

.calculator-directory-page .page-header .page-intro a {
    color: var(--calc-accent-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.calculator-directory-page .page-header .page-intro a:hover {
    color: var(--calc-bg-white);
}

/* =============================================
   PAGE TOC - QUICK JUMP NAVIGATION
   ============================================== */
.page-toc {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--calc-radius-lg);
    backdrop-filter: blur(10px);
}

.page-toc strong {
    font-weight: 600;
    margin-right: 0.5rem;
}

.page-toc a {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    color: var(--calc-bg-white);
    border-radius: var(--calc-radius-sm);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--calc-transition);
}

.page-toc a:hover,
.page-toc a:focus {
    background: var(--calc-bg-white);
    color: var(--calc-primary);
}

/* =============================================
   FEATURED CALCULATOR SECTION
   ============================================== */
.featured-calculator {
    background: linear-gradient(135deg, #f6f9fc 0%, #eef2f7 100%);
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
}

.featured-calculator::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--calc-accent) 0%, #dd6b20 100%);
    color: var(--calc-bg-white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: var(--calc-shadow-md);
}

.badge-icon {
    font-size: 1rem;
}

.featured-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

@media (min-width: 900px) {
    .featured-content {
        grid-template-columns: 1.2fr 0.8fr;
        gap: 3rem;
    }
}

.featured-info h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--calc-text-primary);
    margin-bottom: 1rem;
}

.featured-description {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--calc-text-secondary);
    margin-bottom: 1.5rem;
}

.featured-description a {
    color: var(--calc-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.featured-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--calc-text-secondary);
}

.benefit-icon {
    color: var(--calc-secondary);
    font-weight: 700;
}

.featured-preview {
    background: var(--calc-bg-white);
    border-radius: var(--calc-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--calc-shadow-lg);
    border: 1px solid var(--calc-border-light);
}

.preview-example {
    text-align: center;
}

.preview-label {
    font-size: 0.85rem;
    color: var(--calc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}

.preview-input {
    font-size: 1.1rem;
    color: var(--calc-text-primary);
    padding: 0.75rem;
    background: var(--calc-bg-light);
    border-radius: var(--calc-radius-sm);
    margin-bottom: 1rem;
}

.preview-input strong {
    color: var(--calc-primary);
}

.preview-results {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.preview-result {
    background: linear-gradient(135deg, var(--calc-primary) 0%, var(--calc-primary-dark) 100%);
    color: var(--calc-bg-white);
    padding: 0.5rem 1rem;
    border-radius: var(--calc-radius-sm);
    font-size: 0.9rem;
}

.preview-result strong {
    font-weight: 700;
}

/* =============================================
   CALCULATOR CATEGORY SECTIONS
   ============================================== */
.calculator-category {
    padding: 3.5rem 0;
}

.category-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.category-header h2 {
    font-size: clamp(1.5rem, 4vw, 1.875rem);
    font-weight: 700;
    color: var(--calc-text-primary);
    margin-bottom: 0.75rem;
}

.category-header p {
    font-size: 1.05rem;
    color: var(--calc-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* =============================================
   CALCULATOR LIST ITEMS
   ============================================== */
.calculator-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 900px;
    margin: 0 auto;
}

.calculator-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.25rem;
    align-items: center;
    background: var(--calc-bg-white);
    padding: 1.5rem;
    border-radius: var(--calc-radius-md);
    box-shadow: var(--calc-shadow-sm);
    border: 1px solid var(--calc-border-light);
    transition: var(--calc-transition);
}

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

@media (max-width: 768px) {
    .calculator-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .calculator-action {
        width: 100%;
    }
}

.calculator-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--calc-bg-light);
    border-radius: var(--calc-radius-md);
    flex-shrink: 0;
}

.calculator-details h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.calculator-details h3 a {
    color: var(--calc-text-primary);
    text-decoration: none;
    transition: var(--calc-transition);
}

.calculator-details h3 a:hover {
    color: var(--calc-primary);
}

.calculator-details > p {
    font-size: 0.95rem;
    color: var(--calc-text-secondary);
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

/* =============================================
   CALCULATOR META (dl) - IMPROVED CONTRAST
   ============================================== */
.calculator-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    font-size: 0.875rem;
    background: var(--calc-bg-alt);
    padding: 0.75rem 1rem;
    border-radius: var(--calc-radius-sm);
    margin-top: 0.5rem;
    border: 1px solid var(--calc-border-light);
}

.calculator-meta .meta-item {
    display: flex;
    gap: 0.4rem;
    align-items: baseline;
}

.calculator-meta dt {
    color: var(--calc-meta-label);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.calculator-meta dd {
    color: var(--calc-meta-value);
    font-weight: 500;
    margin: 0;
}

.calculator-action {
    flex-shrink: 0;
}

.calculator-action .btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--calc-bg-light);
    color: var(--calc-primary);
    border: 2px solid var(--calc-primary);
    border-radius: var(--calc-radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--calc-transition);
    white-space: nowrap;
}

.calculator-action .btn-secondary:hover {
    background: var(--calc-primary);
    color: var(--calc-bg-white);
}

/* =============================================
   SELECTION GUIDE SECTION
   ============================================== */
.selection-guide {
    background: var(--calc-bg-white);
    padding: 3.5rem 0;
}

.selection-guide h2 {
    font-size: clamp(1.5rem, 4vw, 1.875rem);
    font-weight: 700;
    color: var(--calc-text-primary);
    text-align: center;
    margin-bottom: 0.75rem;
}

.selection-guide > .container > p {
    text-align: center;
    color: var(--calc-text-secondary);
    margin-bottom: 2rem;
}

.guide-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--calc-radius-md);
    box-shadow: var(--calc-shadow-md);
    border: 1px solid var(--calc-border-light);
}

.guide-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: var(--calc-bg-white);
}

.guide-table thead {
    background: linear-gradient(135deg, var(--calc-primary) 0%, var(--calc-primary-dark) 100%);
}

.guide-table th {
    color: var(--calc-bg-white);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 1rem 1.25rem;
    text-align: left;
}

.guide-table tbody tr {
    border-bottom: 1px solid var(--calc-border-light);
    transition: var(--calc-transition);
}

.guide-table tbody tr:last-child {
    border-bottom: none;
}

.guide-table tbody tr:hover {
    background: var(--calc-bg-light);
}

.guide-table td {
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
    color: var(--calc-text-secondary);
    vertical-align: middle;
}

.guide-table td:first-child {
    color: var(--calc-text-primary);
    font-weight: 500;
}

.guide-table td a {
    color: var(--calc-primary);
    text-decoration: none;
    font-weight: 600;
}

.guide-table td a:hover {
    text-decoration: underline;
}

/* =============================================
   SYSTEMS EXPLAINED SECTION
   ============================================== */
.systems-explained {
    padding: 3.5rem 0;
    background: var(--calc-bg-light);
}

.systems-explained h2 {
    font-size: clamp(1.5rem, 4vw, 1.875rem);
    font-weight: 700;
    color: var(--calc-text-primary);
    text-align: center;
    margin-bottom: 0.75rem;
}

.systems-explained > .container > p {
    text-align: center;
    color: var(--calc-text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}

.systems-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.system-card {
    background: var(--calc-bg-white);
    border-radius: var(--calc-radius-md);
    box-shadow: var(--calc-shadow-sm);
    border: 1px solid var(--calc-border-light);
    overflow: hidden;
    transition: var(--calc-transition);
}

.system-card:hover {
    box-shadow: var(--calc-shadow-md);
    transform: translateY(-3px);
}

.system-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem;
    background: var(--calc-bg-light);
    border-bottom: 1px solid var(--calc-border-light);
}

.system-flag {
    font-size: 1.5rem;
}

.system-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--calc-text-primary);
    margin: 0;
}

.system-body {
    padding: 1.25rem;
}

.system-body > p {
    font-size: 0.95rem;
    color: var(--calc-text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.system-body a {
    color: var(--calc-primary);
    text-decoration: none;
}

.system-body a:hover {
    text-decoration: underline;
}

.system-facts {
    list-style: none;
    padding: 0;
    margin: 0;
}

.system-facts li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--calc-text-secondary);
}

.system-facts li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--calc-primary);
    font-weight: bold;
}

.system-facts li:last-child {
    margin-bottom: 0;
}

/* =============================================
   ACCURACY NOTICE SECTION
   ============================================== */
.accuracy-notice {
    padding: 3.5rem 0;
    background: var(--calc-bg-white);
}

.accuracy-notice h2 {
    font-size: clamp(1.5rem, 4vw, 1.875rem);
    font-weight: 700;
    color: var(--calc-text-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.accuracy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.accuracy-item {
    padding: 1.5rem;
    border-radius: var(--calc-radius-md);
    border: 1px solid var(--calc-border-light);
}

.accuracy-item h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.accuracy-good {
    background: linear-gradient(135deg, #f0fff4 0%, #c6f6d5 100%);
    border-color: #9ae6b4;
}

.accuracy-good h3 {
    color: #276749;
}

.accuracy-good h3 span {
    color: var(--calc-secondary);
}

.accuracy-limitation {
    background: linear-gradient(135deg, #fffaf0 0%, #feebc8 100%);
    border-color: #fbd38d;
}

.accuracy-limitation h3 {
    color: #c05621;
}

.accuracy-limitation h3 span {
    color: var(--calc-accent);
}

.accuracy-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.accuracy-item li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: var(--calc-text-secondary);
    line-height: 1.5;
}

.accuracy-good li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--calc-secondary);
    font-weight: bold;
}

.accuracy-limitation li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--calc-accent);
    font-weight: bold;
}

.accuracy-item li:last-child {
    margin-bottom: 0;
}

.accuracy-recommendation {
    text-align: center;
    padding: 1.25rem;
    background: var(--calc-bg-light);
    border-radius: var(--calc-radius-md);
    border-left: 4px solid var(--calc-primary);
    font-size: 0.95rem;
    color: var(--calc-text-secondary);
}

.accuracy-recommendation strong {
    color: var(--calc-text-primary);
}

.accuracy-recommendation a {
    color: var(--calc-primary);
    text-decoration: none;
    font-weight: 500;
}

.accuracy-recommendation a:hover {
    text-decoration: underline;
}

/* =============================================
   FAQ SECTION OVERRIDE
   ============================================== */
.calculator-directory-page .faq {
    background: var(--calc-bg-light);
    padding: 3.5rem 0;
}

.calculator-directory-page .faq h2 {
    font-size: clamp(1.5rem, 4vw, 1.875rem);
    font-weight: 700;
    color: var(--calc-text-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.calculator-directory-page .faq-item {
    background: var(--calc-bg-white);
    padding: 1.5rem;
    border-radius: var(--calc-radius-md);
    margin-bottom: 1rem;
    border: 1px solid var(--calc-border-light);
    box-shadow: var(--calc-shadow-sm);
}

.calculator-directory-page .faq-item:last-child {
    margin-bottom: 0;
}

.calculator-directory-page .faq-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--calc-text-primary);
    margin-bottom: 0.75rem;
}

.calculator-directory-page .faq-item p {
    font-size: 0.95rem;
    color: var(--calc-text-secondary);
    line-height: 1.7;
    margin: 0;
}

.calculator-directory-page .faq-item a {
    color: var(--calc-primary);
    text-decoration: none;
}

.calculator-directory-page .faq-item a:hover {
    text-decoration: underline;
}

/* =============================================
   DISCLAIMER SECTION - HIGH CONTRAST VERSION
   ============================================== */
.calculator-directory-page .disclaimer-section {
    background: var(--calc-bg-dark);
    color: var(--calc-text-on-dark);
    padding: 2.5rem 0;
}

.calculator-directory-page .disclaimer-section .container {
    max-width: 900px;
}

.calculator-directory-page .disclaimer-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calculator-directory-page .disclaimer-section h2::before {
    content: 'ℹ️';
    font-size: 1rem;
}

.calculator-directory-page .disclaimer-section p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #e2e8f0;
    margin-bottom: 0.875rem;
}

.calculator-directory-page .disclaimer-section p:last-child {
    margin-bottom: 0;
}

.calculator-directory-page .disclaimer-section a {
    color: #90cdf4;
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
    transition: var(--calc-transition);
}

.calculator-directory-page .disclaimer-section a:hover,
.calculator-directory-page .disclaimer-section a:focus {
    color: #ffffff;
}

/* =============================================
   BUTTONS
   ============================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, var(--calc-primary) 0%, var(--calc-primary-dark) 100%);
    color: var(--calc-bg-white);
    border: none;
    border-radius: var(--calc-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--calc-transition);
    box-shadow: var(--calc-shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--calc-shadow-md);
}

.btn-primary.btn-large {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

/* =============================================
   UTILITY: SCREEN READER ONLY
   ============================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =============================================
   RESPONSIVE ADJUSTMENTS
   ============================================== */
@media (max-width: 640px) {
    .calculator-directory-page section {
        padding: 2rem 0;
    }
    
    .page-toc {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .page-toc a {
        width: 100%;
        text-align: center;
    }
    
    .featured-benefits {
        grid-template-columns: 1fr;
    }
    
    .calculator-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .calculator-meta .meta-item {
        flex-wrap: wrap;
    }
    
    .guide-table th,
    .guide-table td {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }
    
    .systems-comparison {
        grid-template-columns: 1fr;
    }
    
    .accuracy-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 641px) and (max-width: 900px) {
    .systems-comparison {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* =============================================
   PRINT STYLES
   ============================================== */
@media print {
    .calculator-directory-page .page-header {
        background: none;
        color: #000;
        padding: 1rem 0;
    }
    
    .calculator-directory-page .page-header h1 {
        color: #000;
    }
    
    .page-toc {
        display: none;
    }
    
    .featured-calculator {
        background: none;
        border: 1px solid #ccc;
    }
    
    .calculator-item {
        box-shadow: none;
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
    
    .btn-primary,
    .btn-secondary {
        display: none;
    }
    
    .guide-table {
        font-size: 0.8rem;
    }
    
    .calculator-directory-page .disclaimer-section {
        background: #f5f5f5;
        color: #000;
    }
    
    .calculator-directory-page .disclaimer-section h2,
    .calculator-directory-page .disclaimer-section p {
        color: #000;
    }
    
    .calculator-directory-page .disclaimer-section a {
        color: #000;
        text-decoration: underline;
    }
}

/* =============================================
   ANIMATION: SUBTLE HOVER EFFECTS
   ============================================== */
@media (prefers-reduced-motion: no-preference) {
    .calculator-item,
    .system-card {
        transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    
    .featured-preview {
        animation: float 6s ease-in-out infinite;
    }
    
    @keyframes float {
        0%, 100% {
            transform: translateY(0);
        }
        50% {
            transform: translateY(-5px);
        }
    }
}

/* =============================================
   FOCUS STYLES FOR ACCESSIBILITY
   ============================================== */
.calculator-directory-page a:focus,
.calculator-directory-page button:focus {
    outline: 3px solid var(--calc-primary-light);
    outline-offset: 2px;
}

.calculator-directory-page .disclaimer-section a:focus {
    outline-color: var(--calc-link-on-dark);
}

/* =============================================
   HIGH CONTRAST MODE SUPPORT
   ============================================== */
@media (prefers-contrast: high) {
    .calculator-meta {
        border: 2px solid var(--calc-text-primary);
    }
    
    .calculator-meta dt {
        color: #000000;
    }
    
    .calculator-meta dd {
        color: #000000;
        font-weight: 600;
    }
    
    .calculator-directory-page .disclaimer-section {
        background: #000000;
    }
    
    .calculator-directory-page .disclaimer-section p {
        color: #ffffff;
    }
    
    .calculator-directory-page .disclaimer-section a {
        color: #ffffff;
        text-decoration: underline;
        font-weight: 700;
    }
}

/* =============================================
   DARK MODE SUPPORT (OPTIONAL - Uncomment to enable)
   ============================================== */
/*
@media (prefers-color-scheme: dark) {
    :root {
        --calc-text-primary: #f7fafc;
        --calc-text-secondary: #e2e8f0;
        --calc-text-muted: #cbd5e0;
        --calc-bg-white: #1a202c;
        --calc-bg-light: #2d3748;
        --calc-bg-alt: #4a5568;
        --calc-border-light: #4a5568;
        --calc-border-medium: #718096;
        --calc-meta-label: #e2e8f0;
        --calc-meta-value: #f7fafc;
    }
    
    .calculator-directory-page {
        background-color: #1a202c;
    }
    
    .calculator-item,
    .system-card,
    .faq-item {
        background: #2d3748;
        border-color: #4a5568;
    }
    
    .calculator-meta {
        background: #4a5568;
        border-color: #718096;
    }
    
    .guide-table tbody tr:hover {
        background: #4a5568;
    }
    
    .accuracy-good {
        background: linear-gradient(135deg, #1c4532 0%, #22543d 100%);
        border-color: #276749;
    }
    
    .accuracy-good h3 {
        color: #9ae6b4;
    }
    
    .accuracy-limitation {
        background: linear-gradient(135deg, #744210 0%, #975a16 100%);
        border-color: #c05621;
    }
    
    .accuracy-limitation h3 {
        color: #fbd38d;
    }
}
*/