/* ==========================================================================
   CALCULOVER GUIDES STYLESHEET (assets/css/guides.css)
   Consolidated styles for all guide articles (/guides/<slug>/)
   ========================================================================== */

.brand-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
}

.fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

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

.article-wrap {
    max-width: 780px;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}

.article-breadcrumb {
    font-size: 0.8rem;
    color: var(--text-muted, #666);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.article-breadcrumb a {
    color: var(--text-dim, #8888aa);
    text-decoration: none;
}

.article-breadcrumb a:hover {
    color: var(--gold, #FFD700);
}

.article-breadcrumb .sep {
    color: #444;
}

.article-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 0.7rem;
    border-radius: 20px;
    margin-bottom: 1rem;
    width: fit-content;
}

.badge--finance {
    background: rgba(123, 44, 191, 0.2);
    color: #c084fc;
    border: 1px solid rgba(123, 44, 191, 0.3);
}

.badge--health {
    background: rgba(189, 0, 255, 0.15);
    color: #e879f9;
    border: 1px solid rgba(189, 0, 255, 0.25);
}

.badge--business {
    background: rgba(0, 123, 255, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(0, 123, 255, 0.25);
}

.badge--construction {
    background: rgba(0, 209, 193, 0.15);
    color: #2dd4bf;
    border: 1px solid rgba(0, 209, 193, 0.25);
}

.badge--math {
    background: rgba(0, 243, 255, 0.15);
    color: #67e8f9;
    border: 1px solid rgba(0, 243, 255, 0.25);
}

.badge--environment {
    background: rgba(0, 209, 193, 0.15);
    color: #2dd4bf;
    border: 1px solid rgba(0, 209, 193, 0.25);
}

.article-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 1rem;
}

.article-title span {
    color: var(--gold, #FFD700);
}

.article-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted, #666);
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.article-divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin: 2rem 0;
}

/* ── Table of Contents ─────────────────────────────────────────────────── */
.guide-toc {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 1.15rem 1.4rem;
    margin: 1.5rem 0 2rem;
}

.guide-toc__title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold, #FFD700);
    margin-bottom: 0.65rem;
}

.guide-toc__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.4rem 1rem;
}

.guide-toc__list li {
    margin: 0;
    padding: 0;
}

.guide-toc__list a {
    color: var(--text-dim, #8888aa);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: color 0.2s ease;
    display: inline-block;
}

.guide-toc__list a:hover {
    color: var(--gold, #FFD700);
    text-decoration: underline;
}

/* ── Differentiation / Cross-Link Callouts ────────────────────────────── */
.guide-diff-box {
    background: rgba(0, 243, 255, 0.04);
    border: 1px solid rgba(0, 243, 255, 0.18);
    border-left: 3px solid #00f3ff;
    border-radius: 0 8px 8px 0;
    padding: 0.85rem 1.15rem;
    margin: 1.25rem 0 1.75rem;
    font-size: 0.88rem;
    color: var(--text-dim, #8888aa);
    line-height: 1.6;
}

.guide-diff-box strong {
    color: #fff;
}

.guide-diff-box a {
    color: #00f3ff;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.guide-diff-box a:hover {
    color: var(--gold, #FFD700);
}

/* ── Article Content ───────────────────────────────────────────────────── */
.article-body {
    color: var(--text-dim, #8888aa);
    line-height: 1.75;
    font-size: 1rem;
}

.article-body p {
    margin-bottom: 1.25rem;
}

.article-body h2 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    margin: 2.5rem 0 0.75rem;
    scroll-margin-top: 5rem;
}

.article-body h3 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: #e2e2f0;
    margin: 1.75rem 0 0.5rem;
    scroll-margin-top: 5rem;
}

.article-body strong {
    color: #fff;
}

.article-body a {
    color: #00f3ff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-body a:hover {
    color: var(--gold, #FFD700);
}

.article-body ul,
.article-body ol {
    margin: 0 0 1.25rem 1.5rem;
}

.article-body ul li,
.article-body ol li {
    margin-bottom: 0.4rem;
}

.callout {
    background: rgba(255, 255, 255, 0.04);
    border-left: 3px solid var(--gold, #FFD700);
    border-radius: 0 10px 10px 0;
    padding: 1.1rem 1.4rem;
    margin: 1.75rem 0;
}

.callout-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold, #FFD700);
    margin-bottom: 0.4rem;
}

.callout code {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: #00f3ff;
    line-height: 1.6;
    white-space: pre-wrap;
    overflow-wrap: break-word;
}

.callout p {
    margin: 0.5rem 0 0;
    font-size: 0.88rem;
    color: var(--text-dim, #8888aa);
}

.key-facts {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.88rem;
}

.key-facts th {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-weight: 700;
    padding: 0.65rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.key-facts td {
    padding: 0.65rem 1rem;
    color: var(--text-dim, #8888aa);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    vertical-align: top;
}

.key-facts tr:last-child td {
    border-bottom: none;
}

.key-facts tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.cta-box {
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.08), rgba(188, 19, 254, 0.08));
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
    text-align: center;
}

.cta-box p {
    margin-bottom: 0.75rem;
    color: #fff;
    font-weight: 600;
}

.cta-box a {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: linear-gradient(135deg, #00f3ff, #bc13fe);
    color: #050510;
    font-weight: 700;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
}

.cta-box a:hover {
    opacity: 0.9;
    color: #050510;
}

/* ── Related Calculators & Guides ──────────────────────────────────────── */
.related-calcs {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.related-calcs h2 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.related-calcs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

.related-calc-link {
    display: block;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-dim, #8888aa);
    font-size: 0.88rem;
    font-weight: 600;
    transition: border-color 0.2s, color 0.2s;
}

.related-calc-link:hover {
    border-color: rgba(0, 243, 255, 0.3);
    color: #fff;
}

.related-calc-link .calc-link-name {
    color: #fff;
    display: block;
    margin-bottom: 0.25rem;
}

.related-calc-link .calc-link-desc {
    font-size: 0.78rem;
    font-weight: 400;
}

.related-guides {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.related-guides h2 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.related-guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

.related-guide-link {
    display: block;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-dim, #8888aa);
    font-size: 0.88rem;
    font-weight: 600;
    transition: border-color 0.2s, color 0.2s;
}

.related-guide-link:hover {
    border-color: rgba(0, 243, 255, 0.3);
    color: #fff;
}

.guide-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.06), rgba(188, 19, 254, 0.06));
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: 12px;
    text-decoration: none;
    margin: 2.5rem 0 1.5rem;
    transition: border-color 0.2s, transform 0.2s;
}

.guide-cta:hover {
    border-color: rgba(0, 243, 255, 0.4);
    transform: translateY(-2px);
}

.guide-cta-icon {
    color: #00f3ff;
    flex-shrink: 0;
}

.guide-cta-content {
    flex: 1;
}

.guide-cta-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold, #FFD700);
}

.guide-cta-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

.guide-cta-desc {
    font-size: 0.85rem;
    color: var(--text-dim, #8888aa);
}

.guide-cta-arrow {
    font-size: 1.2rem;
    color: #00f3ff;
}

/* ── Light Mode Overrides ──────────────────────────────────────────────── */
[data-theme="light"] .article-breadcrumb .sep {
    color: #cbd5e1;
}

[data-theme="light"] .article-title {
    color: #0f172a;
}

[data-theme="light"] .article-title span {
    color: #a16207;
}

[data-theme="light"] .article-meta {
    color: #64748b;
}

[data-theme="light"] .article-divider {
    border-top-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .guide-toc {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .guide-toc__title {
    color: #a16207;
}

[data-theme="light"] .guide-toc__list a {
    color: #475569;
}

[data-theme="light"] .guide-toc__list a:hover {
    color: #a16207;
}

[data-theme="light"] .guide-diff-box {
    background: rgba(2, 132, 199, 0.04);
    border-color: rgba(2, 132, 199, 0.2);
    border-left-color: #0284c7;
    color: #334155;
}

[data-theme="light"] .guide-diff-box strong {
    color: #0f172a;
}

[data-theme="light"] .guide-diff-box a {
    color: #0284c7;
}

[data-theme="light"] .guide-diff-box a:hover {
    color: #a16207;
}

[data-theme="light"] .article-body {
    color: #334155;
}

[data-theme="light"] .article-body h2 {
    color: #0f172a;
}

[data-theme="light"] .article-body h3 {
    color: #1e293b;
}

[data-theme="light"] .article-body strong {
    color: #0f172a;
}

[data-theme="light"] .article-body a {
    color: #0284c7;
}

[data-theme="light"] .article-body a:hover {
    color: #a16207;
}

[data-theme="light"] .callout {
    background: rgba(0, 0, 0, 0.03);
    border-left-color: #a16207;
}

[data-theme="light"] .callout-label {
    color: #a16207;
}

[data-theme="light"] .callout code {
    color: #0284c7;
}

[data-theme="light"] .callout p {
    color: #475569;
}

[data-theme="light"] .key-facts th {
    background: rgba(0, 0, 0, 0.04);
    color: #0f172a;
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .key-facts td {
    color: #334155;
    border-bottom-color: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .key-facts tr:hover td {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .cta-box {
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.06), rgba(124, 58, 237, 0.06));
    border-color: rgba(8, 145, 178, 0.2);
}

[data-theme="light"] .cta-box p {
    color: #0f172a;
}

[data-theme="light"] .related-calcs {
    border-top-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .related-calcs h2 {
    color: #0f172a;
}

[data-theme="light"] .related-calc-link {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    color: #475569;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .related-calc-link:hover {
    border-color: #0284c7;
    color: #0f172a;
}

[data-theme="light"] .related-calc-link .calc-link-name {
    color: #0f172a;
}

[data-theme="light"] .related-guides {
    border-top-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .related-guides h2 {
    color: #0f172a;
}

[data-theme="light"] .related-guide-link {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    color: #475569;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .related-guide-link:hover {
    border-color: #0284c7;
    color: #0f172a;
}

[data-theme="light"] .guide-cta {
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.05), rgba(124, 58, 237, 0.05));
    border-color: rgba(8, 145, 178, 0.2);
}

[data-theme="light"] .guide-cta-icon {
    color: #0891b2;
}

[data-theme="light"] .guide-cta-label {
    color: #a16207;
}

[data-theme="light"] .guide-cta-title {
    color: #0f172a;
}

[data-theme="light"] .guide-cta-desc {
    color: #475569;
}

[data-theme="light"] .guide-cta-arrow {
    color: #0891b2;
}