/* ==========================================
   CALC-PAGE.CSS — Shared styles for all
   programmatic SEO pages (comparisons, etc.)
   Colors matched to fraction-comparator.html
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f7f8fa;
    color: #2c3e50;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================
   LAYOUT
   ========================================== */

.calc-page {
    flex: 1;
    max-width: 760px;
    margin: 0 auto;
    padding: 2.5rem 2rem 3rem;
    width: 100%;
}

/* ==========================================
   BREADCRUMB
   ========================================== */

.calc-breadcrumb {
    font-size: 0.85rem;
    color: #6b7280;
    margin-bottom: 1rem;
}

.calc-breadcrumb a {
    color: #6b7280;
    text-decoration: none;
}

.calc-breadcrumb a:hover {
    color: #2c5f41;
}

/* ==========================================
   ANSWER SECTION
   ========================================== */

.calc-answer {
    text-align: center;
    padding: 2rem 1.5rem 2.5rem;
    background: #e8f5e9;
    border-left: 4px solid #2c5f41;
    border-radius: 0 8px 8px 0;
    margin-bottom: 2.5rem;
}

.calc-answer h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.calc-result {
    font-size: 1.3rem;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.calc-result .answer-symbol {
    color: #27ae60;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0.3rem;
}

/* ==========================================
   VISUAL BARS
   ========================================== */

.calc-bars {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 420px;
    margin: 0 auto;
}

.calc-bar-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.calc-bar-label {
    width: 80px;
    font-weight: 700;
    font-size: 1.1rem;
    text-align: right;
    color: #2c5f41;
    flex-shrink: 0;
}

.calc-bar-track {
    flex: 1;
    height: 40px;
    background: white;
    border-radius: 4px;
    overflow: hidden;
}

.calc-bar-fill {
    height: 100%;
    background-color: #2c5f41;
    border-radius: 4px;
}

.calc-bar-value {
    width: 60px;
    font-size: 0.9rem;
    color: #666;
}

/* ==========================================
   SECTION HEADINGS
   ========================================== */

.calc-section {
    margin-bottom: 2.5rem;
}

.calc-section h2 {
    font-size: 1.4rem;
    color: #2c5f41;
    margin-bottom: 1rem;
    font-weight: 700;
}

.calc-section p {
    margin-bottom: 0.8rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

/* ==========================================
   STEPS — white cards with green border
   ========================================== */

.calc-steps {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.calc-steps li {
    background: white;
    padding: 0.8rem 1rem;
    margin-bottom: 0.6rem;
    border-radius: 6px;
    border-left: 3px solid #27ae60;
    font-size: 1.05rem;
    line-height: 1.7;
}

.step-number {
    font-weight: bold;
    color: #27ae60;
    margin-right: 0.4rem;
}

.math-block {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    text-align: center;
    padding: 0.8rem 0;
    color: #2c3e50;
}

/* ==========================================
   FACTS — warm amber
   ========================================== */

.calc-facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin: 1rem 0 1.5rem;
}

.calc-fact {
    background: #fff3e0;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    border-left: 4px solid #ff9800;
}

.calc-fact .fact-label {
    color: #f57c00;
    font-size: 0.85rem;
    font-weight: 600;
    display: block;
    margin-bottom: 0.3rem;
}

.calc-fact .fact-value {
    font-weight: 700;
    color: #2c3e50;
    font-size: 1.15rem;
}

/* ==========================================
   CTA CARD
   ========================================== */

.calc-cta-card {
    background: #e8f5e9;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.calc-cta-card h3 {
    font-size: 1.1rem;
    color: #2c5f41;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.calc-cta-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: #2c5f41;
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 600;
    padding: 0.5rem 0;
}

.calc-cta-link:hover {
    text-decoration: underline;
}

.calc-cta-link .cta-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.calc-cta-link .cta-arrow {
    margin-left: auto;
    color: #27ae60;
    font-weight: 700;
    font-size: 1.2rem;
}

/* ==========================================
   LINKS — related comparisons
   ========================================== */

.calc-links {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.calc-links h2 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

.calc-related {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    margin-top: 1rem;
    list-style: none;
}

.calc-related li a {
    color: #2c5f41;
    text-decoration: none;
    font-size: 0.95rem;
}

.calc-related li a:hover {
    text-decoration: underline;
}

/* ==========================================
   MATHJAX SIZING
   ========================================== */

.calc-page .MathJax {
    font-size: 1.4em !important;
}

.calc-result .MathJax {
    font-size: 1.7em !important;
}

.calc-bar-label .MathJax {
    font-size: 1.5em !important;
}

.math-block .MathJax {
    font-size: 1.6em !important;
}

.calc-fact .fact-label .MathJax {
    font-size: 1.5em !important;
}

.calc-faq .MathJax {
    font-size: 1.35em !important;
}

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

.calc-faq .faq-item {
    margin-bottom: 1.2rem;
}

.calc-faq .faq-question {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c5f41;
    margin-bottom: 0.3rem;
}

.calc-faq .faq-answer {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #2c3e50;
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 600px) {
    .calc-page {
        padding: 1.5rem 1.2rem 2rem;
    }

    .calc-answer h1 {
        font-size: 1.4rem;
    }

    .calc-result {
        font-size: 1.1rem;
    }

    .calc-bar-label {
        width: 60px;
        font-size: 1rem;
    }

    .calc-bar-value {
        width: 50px;
        font-size: 0.85rem;
    }

    .calc-facts {
        grid-template-columns: 1fr 1fr;
    }

    .calc-section h2 {
        font-size: 1.2rem;
    }
}