single.css

I’ll build this as an advanced WordPress single-post CSS file for RX Theme: article layout, typography, medical content blocks, author/reviewer boxes, TOC, breadcrumbs, related posts, comments, responsive design, accessibility, print, and dark-mode support.

Below is an advanced single.css for:

assets/static/static-css/pages/single.css

It is designed for RX Theme single post pages, especially medical article pages like rxharun.com.

/*!
Theme Name: RX Theme
File: assets/static/static-css/pages/single.css
Purpose: Advanced single post page styling
Author: RxHarun
Version: 1.0.0
*/

/* =========================================================
   01. SINGLE PAGE ROOT VARIABLES
   ========================================================= */

:root {
  --rx-single-bg: var(--rx-color-bg, #ffffff);
  --rx-single-surface: var(--rx-color-surface, #ffffff);
  --rx-single-surface-soft: var(--rx-color-surface-soft, #f8fafc);
  --rx-single-surface-muted: var(--rx-color-surface-muted, #f1f5f9);

  --rx-single-text: var(--rx-color-text, #0f172a);
  --rx-single-text-soft: var(--rx-color-text-soft, #334155);
  --rx-single-text-muted: var(--rx-color-text-muted, #64748b);
  --rx-single-heading: var(--rx-color-heading, #0f172a);

  --rx-single-primary: var(--rx-color-primary, #0f766e);
  --rx-single-primary-dark: var(--rx-color-primary-dark, #115e59);
  --rx-single-primary-soft: var(--rx-color-primary-soft, #ccfbf1);

  --rx-single-secondary: var(--rx-color-secondary, #2563eb);
  --rx-single-danger: var(--rx-color-danger, #dc2626);
  --rx-single-warning: var(--rx-color-warning, #d97706);
  --rx-single-success: var(--rx-color-success, #16a34a);
  --rx-single-info: var(--rx-color-info, #0284c7);

  --rx-single-border: var(--rx-color-border, #e2e8f0);
  --rx-single-border-strong: var(--rx-color-border-strong, #cbd5e1);

  --rx-single-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --rx-single-shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --rx-single-shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.12);

  --rx-single-radius-xs: 4px;
  --rx-single-radius-sm: 8px;
  --rx-single-radius-md: 12px;
  --rx-single-radius-lg: 18px;
  --rx-single-radius-xl: 24px;
  --rx-single-radius-pill: 999px;

  --rx-single-container: 1180px;
  --rx-single-content: 780px;
  --rx-single-wide: 980px;
  --rx-single-sidebar: 320px;

  --rx-single-space-1: 0.25rem;
  --rx-single-space-2: 0.5rem;
  --rx-single-space-3: 0.75rem;
  --rx-single-space-4: 1rem;
  --rx-single-space-5: 1.25rem;
  --rx-single-space-6: 1.5rem;
  --rx-single-space-8: 2rem;
  --rx-single-space-10: 2.5rem;
  --rx-single-space-12: 3rem;
  --rx-single-space-16: 4rem;

  --rx-single-font-body: var(--rx-font-body, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  --rx-single-font-heading: var(--rx-font-heading, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  --rx-single-font-code: var(--rx-font-code, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace);

  --rx-single-line-height: 1.75;
  --rx-single-heading-line-height: 1.25;

  --rx-single-transition: 180ms ease;
}

/* =========================================================
   02. GLOBAL SINGLE PAGE WRAPPER
   ========================================================= */

.single-post,
.rx-single-page {
  background: var(--rx-single-bg);
  color: var(--rx-single-text);
}

.rx-single-wrap {
  width: min(100% - 32px, var(--rx-single-container));
  margin-inline: auto;
  padding-block: var(--rx-single-space-8);
}

.rx-single-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--rx-single-space-8);
}

.rx-single-layout.has-sidebar {
  grid-template-columns: minmax(0, 1fr) var(--rx-single-sidebar);
  align-items: start;
}

.rx-single-main {
  min-width: 0;
}

.rx-single-sidebar {
  min-width: 0;
}

/* =========================================================
   03. SINGLE ARTICLE CARD
   ========================================================= */

.rx-single-article {
  width: 100%;
  max-width: var(--rx-single-content);
  margin-inline: auto;
  background: var(--rx-single-surface);
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-xl);
  box-shadow: var(--rx-single-shadow-sm);
  overflow: hidden;
}

.rx-single-article.rx-single-wide {
  max-width: var(--rx-single-wide);
}

.rx-single-article-inner {
  padding: clamp(1.25rem, 3vw, 3rem);
}

.rx-single-article.has-featured-image .rx-single-article-inner {
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
}

/* =========================================================
   04. BREADCRUMBS
   ========================================================= */

.rx-breadcrumbs {
  max-width: var(--rx-single-content);
  margin: 0 auto var(--rx-single-space-5);
  font-size: 0.875rem;
  color: var(--rx-single-text-muted);
}

.rx-breadcrumbs ol,
.rx-breadcrumbs ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rx-breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.rx-breadcrumbs li:not(:last-child)::after {
  content: "/";
  color: var(--rx-single-border-strong);
}

.rx-breadcrumbs a {
  color: var(--rx-single-text-muted);
  text-decoration: none;
}

.rx-breadcrumbs a:hover,
.rx-breadcrumbs a:focus {
  color: var(--rx-single-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* =========================================================
   05. CATEGORY AND POST LABELS
   ========================================================= */

.rx-single-kicker,
.rx-single-category-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--rx-single-space-2);
  margin-bottom: var(--rx-single-space-4);
}

.rx-single-category,
.rx-single-label,
.rx-post-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 30px;
  padding: 0.3rem 0.75rem;
  border-radius: var(--rx-single-radius-pill);
  background: var(--rx-single-primary-soft);
  color: var(--rx-single-primary-dark);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.rx-single-category:hover,
.rx-single-category:focus,
.rx-single-label:hover,
.rx-single-label:focus {
  background: var(--rx-single-primary);
  color: #ffffff;
}

/* =========================================================
   06. SINGLE POST HEADER
   ========================================================= */

.rx-single-header {
  margin-bottom: var(--rx-single-space-8);
}

.rx-single-title {
  margin: 0;
  color: var(--rx-single-heading);
  font-family: var(--rx-single-font-heading);
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.rx-single-subtitle,
.rx-single-excerpt {
  margin: var(--rx-single-space-5) 0 0;
  color: var(--rx-single-text-soft);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
  text-wrap: pretty;
}

.rx-single-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--rx-single-space-3) var(--rx-single-space-5);
  margin-top: var(--rx-single-space-5);
  color: var(--rx-single-text-muted);
  font-size: 0.925rem;
}

.rx-single-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.rx-single-meta-item svg,
.rx-single-meta-icon {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  color: var(--rx-single-primary);
}

.rx-single-meta a {
  color: inherit;
  text-decoration: none;
}

.rx-single-meta a:hover,
.rx-single-meta a:focus {
  color: var(--rx-single-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* =========================================================
   07. FEATURED IMAGE
   ========================================================= */

.rx-single-featured {
  margin: 0;
  background: var(--rx-single-surface-soft);
  border-bottom: 1px solid var(--rx-single-border);
}

.rx-single-featured img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.rx-single-featured figcaption,
.wp-caption-text {
  padding: 0.75rem 1rem;
  color: var(--rx-single-text-muted);
  font-size: 0.875rem;
  line-height: 1.55;
  text-align: center;
}

/* =========================================================
   08. ARTICLE CONTENT TYPOGRAPHY
   ========================================================= */

.rx-single-content,
.entry-content {
  color: var(--rx-single-text);
  font-family: var(--rx-single-font-body);
  font-size: clamp(1rem, 1.2vw, 1.08rem);
  line-height: var(--rx-single-line-height);
  overflow-wrap: break-word;
}

.rx-single-content > *:first-child,
.entry-content > *:first-child {
  margin-top: 0;
}

.rx-single-content > *:last-child,
.entry-content > *:last-child {
  margin-bottom: 0;
}

.rx-single-content p,
.entry-content p {
  margin: 0 0 1.35em;
  text-wrap: pretty;
}

.rx-single-content h1,
.rx-single-content h2,
.rx-single-content h3,
.rx-single-content h4,
.rx-single-content h5,
.rx-single-content h6,
.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5,
.entry-content h6 {
  margin: 1.65em 0 0.65em;
  color: var(--rx-single-heading);
  font-family: var(--rx-single-font-heading);
  font-weight: 800;
  line-height: var(--rx-single-heading-line-height);
  letter-spacing: -0.025em;
  scroll-margin-top: 110px;
}

.rx-single-content h2,
.entry-content h2 {
  position: relative;
  padding-top: 0.35rem;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
}

.rx-single-content h2::before,
.entry-content h2::before {
  content: "";
  display: block;
  width: 58px;
  height: 4px;
  margin-bottom: 0.8rem;
  border-radius: var(--rx-single-radius-pill);
  background: linear-gradient(90deg, var(--rx-single-primary), var(--rx-single-secondary));
}

.rx-single-content h3,
.entry-content h3 {
  font-size: clamp(1.28rem, 2.4vw, 1.75rem);
}

.rx-single-content h4,
.entry-content h4 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.rx-single-content h5,
.entry-content h5 {
  font-size: 1.05rem;
}

.rx-single-content h6,
.entry-content h6 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rx-single-text-muted);
}

.rx-single-content strong,
.entry-content strong {
  color: var(--rx-single-heading);
  font-weight: 800;
}

.rx-single-content em,
.entry-content em {
  color: var(--rx-single-text-soft);
}

.rx-single-content small,
.entry-content small {
  font-size: 0.875em;
  color: var(--rx-single-text-muted);
}

/* =========================================================
   09. ARTICLE LINKS
   ========================================================= */

.rx-single-content a,
.entry-content a {
  color: var(--rx-single-primary-dark);
  font-weight: 650;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--rx-single-primary) 45%, transparent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition:
    color var(--rx-single-transition),
    text-decoration-color var(--rx-single-transition),
    background-color var(--rx-single-transition);
}

.rx-single-content a:hover,
.rx-single-content a:focus,
.entry-content a:hover,
.entry-content a:focus {
  color: var(--rx-single-secondary);
  text-decoration-color: currentColor;
}

.rx-single-content a[target="_blank"]::after,
.entry-content a[target="_blank"]::after {
  content: "↗";
  display: inline-block;
  margin-left: 0.18em;
  font-size: 0.75em;
  vertical-align: 0.1em;
}

/* =========================================================
   10. LISTS
   ========================================================= */

.rx-single-content ul,
.rx-single-content ol,
.entry-content ul,
.entry-content ol {
  margin: 0 0 1.5em 1.25em;
  padding: 0;
}

.rx-single-content li,
.entry-content li {
  margin-bottom: 0.65em;
  padding-left: 0.2em;
}

.rx-single-content li::marker,
.entry-content li::marker {
  color: var(--rx-single-primary);
  font-weight: 800;
}

.rx-single-content ul ul,
.rx-single-content ol ol,
.rx-single-content ul ol,
.rx-single-content ol ul,
.entry-content ul ul,
.entry-content ol ol,
.entry-content ul ol,
.entry-content ol ul {
  margin-top: 0.65em;
  margin-bottom: 0.65em;
}

.rx-single-content dl,
.entry-content dl {
  margin: 0 0 1.5em;
}

.rx-single-content dt,
.entry-content dt {
  color: var(--rx-single-heading);
  font-weight: 800;
}

.rx-single-content dd,
.entry-content dd {
  margin: 0 0 1em 1.25rem;
  color: var(--rx-single-text-soft);
}

/* =========================================================
   11. BLOCKQUOTE AND QUOTES
   ========================================================= */

.rx-single-content blockquote,
.entry-content blockquote,
.wp-block-quote {
  position: relative;
  margin: 2rem 0;
  padding: 1.35rem 1.5rem 1.35rem 1.75rem;
  border-left: 5px solid var(--rx-single-primary);
  border-radius: 0 var(--rx-single-radius-lg) var(--rx-single-radius-lg) 0;
  background: var(--rx-single-surface-soft);
  color: var(--rx-single-text-soft);
  box-shadow: var(--rx-single-shadow-sm);
}

.rx-single-content blockquote::before,
.entry-content blockquote::before {
  content: "“";
  position: absolute;
  top: -0.15rem;
  left: 0.8rem;
  color: color-mix(in srgb, var(--rx-single-primary) 20%, transparent);
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 1;
  pointer-events: none;
}

.rx-single-content blockquote p,
.entry-content blockquote p {
  margin-bottom: 0.85em;
}

.rx-single-content blockquote cite,
.entry-content blockquote cite {
  display: block;
  margin-top: 0.75rem;
  color: var(--rx-single-text-muted);
  font-size: 0.9rem;
  font-style: normal;
  font-weight: 700;
}

/* =========================================================
   12. TABLES
   ========================================================= */

.rx-single-content table,
.entry-content table {
  width: 100%;
  margin: 2rem 0;
  border-collapse: collapse;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-md);
  background: var(--rx-single-surface);
  font-size: 0.95rem;
}

.rx-single-content thead,
.entry-content thead {
  background: var(--rx-single-primary);
  color: #ffffff;
}

.rx-single-content th,
.rx-single-content td,
.entry-content th,
.entry-content td {
  padding: 0.9rem 1rem;
  border: 1px solid var(--rx-single-border);
  text-align: left;
  vertical-align: top;
}

.rx-single-content th,
.entry-content th {
  font-weight: 800;
}

.rx-single-content tbody tr:nth-child(even),
.entry-content tbody tr:nth-child(even) {
  background: var(--rx-single-surface-soft);
}

.rx-table-scroll,
.wp-block-table {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.wp-block-table table {
  min-width: 620px;
}

/* =========================================================
   13. IMAGES, FIGURES, MEDIA
   ========================================================= */

.rx-single-content img,
.entry-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--rx-single-radius-md);
}

.rx-single-content figure,
.entry-content figure {
  margin: 2rem 0;
}

.rx-single-content figure img,
.entry-content figure img {
  display: block;
  margin-inline: auto;
}

.rx-single-content figcaption,
.entry-content figcaption {
  margin-top: 0.65rem;
  color: var(--rx-single-text-muted);
  font-size: 0.875rem;
  line-height: 1.55;
  text-align: center;
}

.rx-single-content iframe,
.rx-single-content video,
.rx-single-content embed,
.rx-single-content object,
.entry-content iframe,
.entry-content video,
.entry-content embed,
.entry-content object {
  max-width: 100%;
  border-radius: var(--rx-single-radius-md);
}

.rx-video-wrap,
.rx-embed-wrap,
.wp-block-embed__wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--rx-single-radius-md);
  background: #000000;
}

.rx-video-wrap::before,
.rx-embed-wrap::before,
.wp-block-embed__wrapper::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.rx-video-wrap iframe,
.rx-video-wrap video,
.rx-embed-wrap iframe,
.wp-block-embed__wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* =========================================================
   14. CODE BLOCKS
   ========================================================= */

.rx-single-content code,
.entry-content code {
  padding: 0.15rem 0.35rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-xs);
  background: var(--rx-single-surface-soft);
  color: #be123c;
  font-family: var(--rx-single-font-code);
  font-size: 0.9em;
}

.rx-single-content pre,
.entry-content pre,
.wp-block-code {
  position: relative;
  margin: 2rem 0;
  padding: 1rem;
  overflow-x: auto;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: #0f172a;
  color: #e2e8f0;
  font-family: var(--rx-single-font-code);
  font-size: 0.92rem;
  line-height: 1.7;
  box-shadow: var(--rx-single-shadow-sm);
}

.rx-single-content pre code,
.entry-content pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

/* =========================================================
   15. MEDICAL ARTICLE SPECIAL BLOCKS
   ========================================================= */

.rx-medical-summary,
.rx-key-points,
.rx-clinical-note,
.rx-evidence-box,
.rx-warning-box,
.rx-diagnosis-box,
.rx-treatment-box,
.rx-prevention-box,
.rx-faq-box {
  margin: 2rem 0;
  padding: clamp(1rem, 2vw, 1.5rem);
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: var(--rx-single-surface-soft);
  box-shadow: var(--rx-single-shadow-sm);
}

.rx-medical-summary {
  border-color: color-mix(in srgb, var(--rx-single-primary) 35%, var(--rx-single-border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--rx-single-primary-soft) 55%, #ffffff),
    var(--rx-single-surface)
  );
}

.rx-key-points {
  border-left: 5px solid var(--rx-single-primary);
}

.rx-clinical-note {
  border-left: 5px solid var(--rx-single-info);
  background: color-mix(in srgb, var(--rx-single-info) 8%, #ffffff);
}

.rx-warning-box {
  border-left: 5px solid var(--rx-single-danger);
  background: color-mix(in srgb, var(--rx-single-danger) 7%, #ffffff);
}

.rx-treatment-box {
  border-left: 5px solid var(--rx-single-success);
  background: color-mix(in srgb, var(--rx-single-success) 7%, #ffffff);
}

.rx-diagnosis-box {
  border-left: 5px solid var(--rx-single-secondary);
  background: color-mix(in srgb, var(--rx-single-secondary) 7%, #ffffff);
}

.rx-prevention-box {
  border-left: 5px solid var(--rx-single-warning);
  background: color-mix(in srgb, var(--rx-single-warning) 8%, #ffffff);
}

.rx-box-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.75rem;
  color: var(--rx-single-heading);
  font-size: 1.1rem;
  font-weight: 850;
  line-height: 1.35;
}

.rx-box-title svg,
.rx-box-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--rx-single-primary);
  flex: 0 0 auto;
}

.rx-warning-box .rx-box-icon,
.rx-warning-box .rx-box-title svg {
  color: var(--rx-single-danger);
}

.rx-treatment-box .rx-box-icon,
.rx-treatment-box .rx-box-title svg {
  color: var(--rx-single-success);
}

.rx-diagnosis-box .rx-box-icon,
.rx-diagnosis-box .rx-box-title svg {
  color: var(--rx-single-secondary);
}

.rx-prevention-box .rx-box-icon,
.rx-prevention-box .rx-box-title svg {
  color: var(--rx-single-warning);
}

.rx-box-content > *:last-child {
  margin-bottom: 0;
}

/* =========================================================
   16. MEDICAL DISCLAIMER
   ========================================================= */

.rx-medical-disclaimer {
  margin: 2rem 0;
  padding: 1rem 1.15rem;
  border: 1px solid color-mix(in srgb, var(--rx-single-warning) 40%, var(--rx-single-border));
  border-radius: var(--rx-single-radius-md);
  background: color-mix(in srgb, var(--rx-single-warning) 9%, #ffffff);
  color: var(--rx-single-text-soft);
  font-size: 0.95rem;
  line-height: 1.7;
}

.rx-medical-disclaimer strong {
  color: var(--rx-single-warning);
}

/* =========================================================
   17. TABLE OF CONTENTS
   ========================================================= */

.rx-toc {
  margin: 2rem 0;
  padding: 1.25rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: var(--rx-single-surface-soft);
  box-shadow: var(--rx-single-shadow-sm);
}

.rx-toc-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--rx-single-space-3);
  margin: 0 0 0.9rem;
  color: var(--rx-single-heading);
  font-size: 1.05rem;
  font-weight: 850;
}

.rx-toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rx-toc-list li {
  margin: 0;
  padding: 0;
}

.rx-toc-list a {
  display: block;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--rx-single-border);
  color: var(--rx-single-text-soft);
  font-size: 0.95rem;
  font-weight: 650;
  text-decoration: none;
}

.rx-toc-list li:last-child a {
  border-bottom: 0;
}

.rx-toc-list a:hover,
.rx-toc-list a:focus {
  color: var(--rx-single-primary);
  padding-left: 0.35rem;
}

/* Sticky TOC for sidebar */
.rx-single-sidebar .rx-toc {
  position: sticky;
  top: 96px;
  margin-top: 0;
}

/* =========================================================
   18. AUTHOR, REVIEWER, EDITOR BOX
   ========================================================= */

.rx-author-box,
.rx-reviewer-box,
.rx-editor-box,
.rx-fact-check-box {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: var(--rx-single-space-4);
  margin: 2rem 0;
  padding: 1.25rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: var(--rx-single-surface);
  box-shadow: var(--rx-single-shadow-sm);
}

.rx-author-avatar,
.rx-reviewer-avatar,
.rx-editor-avatar {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--rx-single-surface-muted);
  border: 3px solid var(--rx-single-primary-soft);
}

.rx-author-name,
.rx-reviewer-name,
.rx-editor-name {
  margin: 0 0 0.25rem;
  color: var(--rx-single-heading);
  font-size: 1.05rem;
  font-weight: 850;
}

.rx-author-role,
.rx-reviewer-role,
.rx-editor-role {
  margin: 0 0 0.55rem;
  color: var(--rx-single-primary);
  font-size: 0.9rem;
  font-weight: 750;
}

.rx-author-bio,
.rx-reviewer-bio,
.rx-editor-bio {
  margin: 0;
  color: var(--rx-single-text-soft);
  font-size: 0.95rem;
  line-height: 1.65;
}

.rx-author-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.rx-author-links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-pill);
  color: var(--rx-single-text-soft);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

.rx-author-links a:hover,
.rx-author-links a:focus {
  border-color: var(--rx-single-primary);
  background: var(--rx-single-primary);
  color: #ffffff;
}

/* =========================================================
   19. UPDATED, REVIEWED, MEDICAL ACCURACY META
   ========================================================= */

.rx-medical-meta-card {
  margin: 1.5rem 0 2rem;
  padding: 1rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-md);
  background: var(--rx-single-surface-soft);
}

.rx-medical-meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rx-medical-meta-list li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin: 0;
  padding: 0.75rem;
  border-radius: var(--rx-single-radius-sm);
  background: var(--rx-single-surface);
}

.rx-medical-meta-label {
  color: var(--rx-single-text-muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rx-medical-meta-value {
  color: var(--rx-single-heading);
  font-size: 0.95rem;
  font-weight: 750;
}

/* =========================================================
   20. TAGS
   ========================================================= */

.rx-single-tags,
.rx-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rx-single-border);
}

.rx-single-tags-title {
  width: 100%;
  color: var(--rx-single-heading);
  font-size: 0.95rem;
  font-weight: 850;
}

.rx-single-tags a,
.rx-post-tags a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-pill);
  background: var(--rx-single-surface-soft);
  color: var(--rx-single-text-soft);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

.rx-single-tags a::before,
.rx-post-tags a::before {
  content: "#";
  margin-right: 0.15rem;
  color: var(--rx-single-primary);
}

.rx-single-tags a:hover,
.rx-single-tags a:focus,
.rx-post-tags a:hover,
.rx-post-tags a:focus {
  border-color: var(--rx-single-primary);
  background: var(--rx-single-primary);
  color: #ffffff;
}

.rx-single-tags a:hover::before,
.rx-single-tags a:focus::before,
.rx-post-tags a:hover::before,
.rx-post-tags a:focus::before {
  color: #ffffff;
}

/* =========================================================
   21. SHARE BUTTONS
   ========================================================= */

.rx-share {
  margin: 2rem 0;
  padding: 1rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: var(--rx-single-surface-soft);
}

.rx-share-title {
  margin: 0 0 0.85rem;
  color: var(--rx-single-heading);
  font-size: 0.95rem;
  font-weight: 850;
}

.rx-share-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rx-share-list li {
  margin: 0;
  padding: 0;
}

.rx-share-button,
.rx-share-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 38px;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-pill);
  background: var(--rx-single-surface);
  color: var(--rx-single-text-soft);
  font-size: 0.875rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--rx-single-transition),
    color var(--rx-single-transition),
    border-color var(--rx-single-transition),
    transform var(--rx-single-transition);
}

.rx-share-button:hover,
.rx-share-button:focus,
.rx-share-list a:hover,
.rx-share-list a:focus {
  border-color: var(--rx-single-primary);
  background: var(--rx-single-primary);
  color: #ffffff;
  transform: translateY(-1px);
}

/* =========================================================
   22. POST NAVIGATION
   ========================================================= */

.rx-post-navigation,
.post-navigation {
  max-width: var(--rx-single-content);
  margin: var(--rx-single-space-8) auto 0;
}

.rx-post-nav-grid,
.nav-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--rx-single-space-4);
}

.rx-post-nav-item,
.nav-previous,
.nav-next {
  min-width: 0;
}

.rx-post-nav-card,
.nav-previous a,
.nav-next a {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 120px;
  padding: 1.1rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: var(--rx-single-surface);
  color: var(--rx-single-text);
  text-decoration: none;
  box-shadow: var(--rx-single-shadow-sm);
  transition:
    border-color var(--rx-single-transition),
    box-shadow var(--rx-single-transition),
    transform var(--rx-single-transition);
}

.rx-post-nav-card:hover,
.rx-post-nav-card:focus,
.nav-previous a:hover,
.nav-previous a:focus,
.nav-next a:hover,
.nav-next a:focus {
  border-color: var(--rx-single-primary);
  box-shadow: var(--rx-single-shadow-md);
  transform: translateY(-2px);
}

.rx-post-nav-label,
.nav-subtitle {
  color: var(--rx-single-primary);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.rx-post-nav-title,
.nav-title {
  color: var(--rx-single-heading);
  font-size: 1rem;
  font-weight: 850;
  line-height: 1.45;
}

.nav-next {
  text-align: right;
}

/* =========================================================
   23. RELATED POSTS
   ========================================================= */

.rx-related-posts {
  max-width: var(--rx-single-container);
  margin: var(--rx-single-space-10) auto 0;
}

.rx-related-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--rx-single-space-4);
  margin-bottom: var(--rx-single-space-5);
}

.rx-related-title {
  margin: 0;
  color: var(--rx-single-heading);
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.rx-related-subtitle {
  margin: 0.3rem 0 0;
  color: var(--rx-single-text-muted);
  font-size: 0.95rem;
}

.rx-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--rx-single-space-5);
}

.rx-related-card {
  overflow: hidden;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: var(--rx-single-surface);
  box-shadow: var(--rx-single-shadow-sm);
  transition:
    transform var(--rx-single-transition),
    box-shadow var(--rx-single-transition),
    border-color var(--rx-single-transition);
}

.rx-related-card:hover {
  border-color: var(--rx-single-primary);
  box-shadow: var(--rx-single-shadow-md);
  transform: translateY(-3px);
}

.rx-related-thumb {
  display: block;
  background: var(--rx-single-surface-muted);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.rx-related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 350ms ease;
}

.rx-related-card:hover .rx-related-thumb img {
  transform: scale(1.045);
}

.rx-related-body {
  padding: 1rem;
}

.rx-related-card-title {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.4;
}

.rx-related-card-title a {
  color: var(--rx-single-heading);
  text-decoration: none;
}

.rx-related-card-title a:hover,
.rx-related-card-title a:focus {
  color: var(--rx-single-primary);
}

.rx-related-meta {
  margin-top: 0.65rem;
  color: var(--rx-single-text-muted);
  font-size: 0.85rem;
}

/* =========================================================
   24. SIDEBAR WIDGETS
   ========================================================= */

.rx-single-sidebar .widget,
.rx-single-widget {
  margin-bottom: var(--rx-single-space-5);
  padding: 1.15rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: var(--rx-single-surface);
  box-shadow: var(--rx-single-shadow-sm);
}

.rx-single-sidebar .widget-title,
.rx-single-widget-title {
  margin: 0 0 1rem;
  color: var(--rx-single-heading);
  font-size: 1.05rem;
  font-weight: 850;
}

.rx-single-sidebar ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rx-single-sidebar li {
  margin: 0;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--rx-single-border);
}

.rx-single-sidebar li:last-child {
  border-bottom: 0;
}

.rx-single-sidebar a {
  color: var(--rx-single-text-soft);
  font-weight: 650;
  text-decoration: none;
}

.rx-single-sidebar a:hover,
.rx-single-sidebar a:focus {
  color: var(--rx-single-primary);
}

/* =========================================================
   25. COMMENTS
   ========================================================= */

.rx-comments-area,
.comments-area {
  max-width: var(--rx-single-content);
  margin: var(--rx-single-space-10) auto 0;
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-xl);
  background: var(--rx-single-surface);
  box-shadow: var(--rx-single-shadow-sm);
}

.comments-title,
.comment-reply-title {
  margin: 0 0 1.25rem;
  color: var(--rx-single-heading);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.3;
}

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

.comment-list .comment {
  margin: 0 0 1.25rem;
  padding: 1rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: var(--rx-single-surface-soft);
}

.comment-list .children {
  margin: 1rem 0 0 1rem;
  padding: 0;
  list-style: none;
}

.comment-author {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--rx-single-heading);
  font-weight: 850;
}

.comment-author .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
}

.comment-metadata {
  margin-top: 0.35rem;
  color: var(--rx-single-text-muted);
  font-size: 0.85rem;
}

.comment-content {
  margin-top: 0.9rem;
  color: var(--rx-single-text-soft);
  line-height: 1.7;
}

.comment-reply-link {
  display: inline-flex;
  margin-top: 0.85rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--rx-single-radius-pill);
  background: var(--rx-single-primary-soft);
  color: var(--rx-single-primary-dark);
  font-size: 0.85rem;
  font-weight: 800;
  text-decoration: none;
}

.comment-reply-link:hover,
.comment-reply-link:focus {
  background: var(--rx-single-primary);
  color: #ffffff;
}

/* =========================================================
   26. COMMENT FORM
   ========================================================= */

.comment-form {
  display: grid;
  gap: 1rem;
}

.comment-form label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--rx-single-heading);
  font-size: 0.9rem;
  font-weight: 800;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-md);
  background: var(--rx-single-surface);
  color: var(--rx-single-text);
  font: inherit;
  outline: none;
  transition:
    border-color var(--rx-single-transition),
    box-shadow var(--rx-single-transition);
}

.comment-form textarea {
  min-height: 160px;
  resize: vertical;
}

.comment-form input:focus,
.comment-form textarea:focus {
  border-color: var(--rx-single-primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--rx-single-primary) 15%, transparent);
}

.form-submit {
  margin: 0;
}

.comment-form .submit,
.rx-button,
.rx-single-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.2rem;
  border: 0;
  border-radius: var(--rx-single-radius-pill);
  background: var(--rx-single-primary);
  color: #ffffff;
  font-weight: 850;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--rx-single-transition),
    transform var(--rx-single-transition),
    box-shadow var(--rx-single-transition);
}

.comment-form .submit:hover,
.comment-form .submit:focus,
.rx-button:hover,
.rx-button:focus,
.rx-single-button:hover,
.rx-single-button:focus {
  background: var(--rx-single-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--rx-single-shadow-md);
}

/* =========================================================
   27. PAGINATION INSIDE POST
   ========================================================= */

.page-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 2rem 0;
  padding-top: 1rem;
  border-top: 1px solid var(--rx-single-border);
  color: var(--rx-single-text-muted);
  font-weight: 800;
}

.page-links a,
.page-links > span:not(.page-links-title) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  border: 1px solid var(--rx-single-border);
  border-radius: 50%;
  background: var(--rx-single-surface);
  color: var(--rx-single-text-soft);
  text-decoration: none;
}

.page-links > span:not(.page-links-title),
.page-links a:hover,
.page-links a:focus {
  border-color: var(--rx-single-primary);
  background: var(--rx-single-primary);
  color: #ffffff;
}

/* =========================================================
   28. WORDPRESS BLOCK SUPPORT
   ========================================================= */

.wp-block-image.alignwide,
.wp-block-gallery.alignwide,
.wp-block-cover.alignwide,
.alignwide {
  width: min(100vw - 32px, var(--rx-single-wide));
  max-width: var(--rx-single-wide);
  margin-left: 50%;
  transform: translateX(-50%);
}

.wp-block-image.alignfull,
.wp-block-gallery.alignfull,
.wp-block-cover.alignfull,
.alignfull {
  width: 100vw;
  max-width: 100vw;
  margin-left: 50%;
  transform: translateX(-50%);
}

.wp-block-cover {
  border-radius: var(--rx-single-radius-lg);
  overflow: hidden;
}

.wp-block-separator {
  width: 100%;
  height: 1px;
  margin: 2rem 0;
  border: 0;
  background: var(--rx-single-border);
}

.wp-block-separator.is-style-wide {
  height: 2px;
}

.wp-block-separator.is-style-dots {
  height: auto;
  background: transparent;
}

.wp-block-pullquote {
  margin: 2rem 0;
  padding: 1.5rem;
  border-top: 4px solid var(--rx-single-primary);
  border-bottom: 4px solid var(--rx-single-primary);
  color: var(--rx-single-heading);
  text-align: center;
}

.wp-block-button__link {
  border-radius: var(--rx-single-radius-pill);
  background: var(--rx-single-primary);
  color: #ffffff;
  font-weight: 850;
  text-decoration: none;
}

.wp-block-button__link:hover,
.wp-block-button__link:focus {
  background: var(--rx-single-primary-dark);
}

.wp-block-columns {
  gap: var(--rx-single-space-5);
}

/* =========================================================
   29. ACCESSIBILITY
   ========================================================= */

.rx-single-content :focus-visible,
.entry-content :focus-visible,
.rx-single-article :focus-visible,
.rx-single-sidebar :focus-visible,
.comments-area :focus-visible {
  outline: 3px solid color-mix(in srgb, var(--rx-single-primary) 65%, #ffffff);
  outline-offset: 3px;
}

.rx-skip-to-content {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1rem;
  border-radius: var(--rx-single-radius-md);
  background: var(--rx-single-primary);
  color: #ffffff;
  font-weight: 850;
  text-decoration: none;
  transform: translateY(-150%);
}

.rx-skip-to-content:focus {
  transform: translateY(0);
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

.screen-reader-text:focus {
  top: 5px;
  left: 5px;
  z-index: 100000;
  display: block;
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  clip: auto !important;
  border-radius: var(--rx-single-radius-md);
  background: var(--rx-single-primary);
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
}

/* =========================================================
   30. READING PROGRESS BAR
   ========================================================= */

.rx-reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9998;
  width: 100%;
  height: 4px;
  background: transparent;
  pointer-events: none;
}

.rx-reading-progress-bar {
  width: var(--rx-reading-progress-width, 0%);
  height: 100%;
  background: linear-gradient(90deg, var(--rx-single-primary), var(--rx-single-secondary));
  transition: width 80ms linear;
}

/* =========================================================
   31. BACK TO TOP
   ========================================================= */

.rx-back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--rx-single-border);
  border-radius: 50%;
  background: var(--rx-single-surface);
  color: var(--rx-single-primary);
  box-shadow: var(--rx-single-shadow-md);
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity var(--rx-single-transition),
    visibility var(--rx-single-transition),
    transform var(--rx-single-transition);
}

.rx-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.rx-back-to-top:hover,
.rx-back-to-top:focus {
  background: var(--rx-single-primary);
  color: #ffffff;
}

/* =========================================================
   32. ADS / CTA / NEWSLETTER AREA
   ========================================================= */

.rx-single-ad,
.rx-single-cta,
.rx-newsletter-box {
  margin: 2rem 0;
  padding: clamp(1rem, 2vw, 1.5rem);
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: var(--rx-single-surface-soft);
  text-align: center;
}

.rx-single-ad {
  color: var(--rx-single-text-muted);
  font-size: 0.85rem;
}

.rx-single-cta {
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--rx-single-primary) 14%, transparent), transparent 35%),
    linear-gradient(135deg, var(--rx-single-surface), var(--rx-single-surface-soft));
}

.rx-single-cta-title,
.rx-newsletter-title {
  margin: 0 0 0.5rem;
  color: var(--rx-single-heading);
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  line-height: 1.3;
}

.rx-single-cta-text,
.rx-newsletter-text {
  margin: 0 auto 1rem;
  max-width: 620px;
  color: var(--rx-single-text-soft);
}

/* =========================================================
   33. SEARCH / NEWSLETTER FORM
   ========================================================= */

.rx-inline-form {
  display: flex;
  gap: 0.65rem;
  max-width: 560px;
  margin-inline: auto;
}

.rx-inline-form input[type="email"],
.rx-inline-form input[type="search"],
.rx-inline-form input[type="text"] {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.8rem 1rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-pill);
  background: var(--rx-single-surface);
  color: var(--rx-single-text);
  font: inherit;
}

.rx-inline-form button {
  flex: 0 0 auto;
  padding-inline: 1.25rem;
  border: 0;
  border-radius: var(--rx-single-radius-pill);
  background: var(--rx-single-primary);
  color: #ffffff;
  font-weight: 850;
  cursor: pointer;
}

.rx-inline-form input:focus {
  border-color: var(--rx-single-primary);
  outline: none;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--rx-single-primary) 15%, transparent);
}

.rx-inline-form button:hover,
.rx-inline-form button:focus {
  background: var(--rx-single-primary-dark);
}

/* =========================================================
   34. UTILITY CLASSES FOR SINGLE PAGE
   ========================================================= */

.rx-single-center {
  text-align: center;
}

.rx-single-muted {
  color: var(--rx-single-text-muted);
}

.rx-single-lead {
  color: var(--rx-single-text-soft);
  font-size: 1.16rem;
  line-height: 1.75;
}

.rx-single-divider {
  height: 1px;
  margin: 2rem 0;
  background: var(--rx-single-border);
}

.rx-single-hidden {
  display: none !important;
}

.rx-single-visually-soft {
  opacity: 0.78;
}

.rx-single-card {
  padding: 1.25rem;
  border: 1px solid var(--rx-single-border);
  border-radius: var(--rx-single-radius-lg);
  background: var(--rx-single-surface);
  box-shadow: var(--rx-single-shadow-sm);
}

/* =========================================================
   35. DARK MODE SUPPORT
   ========================================================= */

@media (prefers-color-scheme: dark) {
  :root {
    --rx-single-bg: #020617;
    --rx-single-surface: #0f172a;
    --rx-single-surface-soft: #111827;
    --rx-single-surface-muted: #1e293b;

    --rx-single-text: #e5e7eb;
    --rx-single-text-soft: #cbd5e1;
    --rx-single-text-muted: #94a3b8;
    --rx-single-heading: #f8fafc;

    --rx-single-primary: #2dd4bf;
    --rx-single-primary-dark: #5eead4;
    --rx-single-primary-soft: rgba(45, 212, 191, 0.14);

    --rx-single-border: rgba(148, 163, 184, 0.22);
    --rx-single-border-strong: rgba(203, 213, 225, 0.35);

    --rx-single-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --rx-single-shadow-md: 0 12px 28px rgba(0, 0, 0, 0.35);
    --rx-single-shadow-lg: 0 22px 55px rgba(0, 0, 0, 0.45);
  }

  .rx-single-content code,
  .entry-content code {
    color: #fda4af;
  }

  .rx-medical-summary,
  .rx-clinical-note,
  .rx-warning-box,
  .rx-treatment-box,
  .rx-diagnosis-box,
  .rx-prevention-box,
  .rx-medical-disclaimer {
    background: var(--rx-single-surface-soft);
  }

  .rx-single-content tbody tr:nth-child(even),
  .entry-content tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.035);
  }
}

/* Manual dark class support */
.rx-theme-dark .rx-single-page,
.rx-theme-dark.single-post {
  --rx-single-bg: #020617;
  --rx-single-surface: #0f172a;
  --rx-single-surface-soft: #111827;
  --rx-single-surface-muted: #1e293b;
  --rx-single-text: #e5e7eb;
  --rx-single-text-soft: #cbd5e1;
  --rx-single-text-muted: #94a3b8;
  --rx-single-heading: #f8fafc;
  --rx-single-primary: #2dd4bf;
  --rx-single-primary-dark: #5eead4;
  --rx-single-primary-soft: rgba(45, 212, 191, 0.14);
  --rx-single-border: rgba(148, 163, 184, 0.22);
  --rx-single-border-strong: rgba(203, 213, 225, 0.35);
}

/* =========================================================
   36. RESPONSIVE DESIGN
   ========================================================= */

@media (max-width: 1180px) {
  .rx-single-layout.has-sidebar {
    grid-template-columns: minmax(0, 1fr) 280px;
  }
}

@media (max-width: 1024px) {
  .rx-single-layout.has-sidebar {
    grid-template-columns: 1fr;
  }

  .rx-single-sidebar {
    max-width: var(--rx-single-content);
    margin-inline: auto;
    width: 100%;
  }

  .rx-single-sidebar .rx-toc {
    position: static;
  }

  .rx-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .rx-single-wrap {
    width: min(100% - 24px, var(--rx-single-container));
    padding-block: var(--rx-single-space-5);
  }

  .rx-single-article {
    border-radius: var(--rx-single-radius-lg);
  }

  .rx-single-article-inner {
    padding: 1.25rem;
  }

  .rx-single-title {
    letter-spacing: -0.03em;
  }

  .rx-single-meta {
    gap: 0.65rem 1rem;
    font-size: 0.875rem;
  }

  .rx-medical-meta-list {
    grid-template-columns: 1fr;
  }

  .rx-author-box,
  .rx-reviewer-box,
  .rx-editor-box,
  .rx-fact-check-box {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .rx-author-avatar,
  .rx-reviewer-avatar,
  .rx-editor-avatar {
    margin-inline: auto;
  }

  .rx-author-links {
    justify-content: center;
  }

  .rx-post-nav-grid,
  .nav-links {
    grid-template-columns: 1fr;
  }

  .nav-next {
    text-align: left;
  }

  .rx-related-header {
    display: block;
  }

  .rx-related-grid {
    grid-template-columns: 1fr;
  }

  .rx-inline-form {
    flex-direction: column;
  }

  .rx-inline-form button {
    min-height: 44px;
  }

  .comment-list .children {
    margin-left: 0.5rem;
  }
}

@media (max-width: 480px) {
  .rx-single-wrap {
    width: min(100% - 18px, var(--rx-single-container));
  }

  .rx-single-article-inner {
    padding: 1rem;
  }

  .rx-single-content,
  .entry-content {
    font-size: 1rem;
  }

  .rx-single-content h2,
  .entry-content h2 {
    font-size: 1.45rem;
  }

  .rx-single-content table,
  .entry-content table {
    font-size: 0.875rem;
  }

  .rx-single-content th,
  .rx-single-content td,
  .entry-content th,
  .entry-content td {
    padding: 0.65rem;
  }

  .rx-share-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .rx-share-button,
  .rx-share-list a {
    width: 100%;
  }

  .rx-back-to-top {
    width: 42px;
    height: 42px;
  }
}

/* =========================================================
   37. REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* =========================================================
   38. PRINT STYLE
   ========================================================= */

@media print {
  :root {
    --rx-single-bg: #ffffff;
    --rx-single-surface: #ffffff;
    --rx-single-surface-soft: #ffffff;
    --rx-single-text: #000000;
    --rx-single-heading: #000000;
    --rx-single-border: #cccccc;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .rx-single-wrap {
    width: 100%;
    padding: 0;
  }

  .rx-single-layout,
  .rx-single-layout.has-sidebar {
    display: block;
  }

  .rx-single-article,
  .rx-comments-area,
  .rx-related-posts,
  .rx-post-navigation {
    max-width: 100%;
    border: 0;
    box-shadow: none;
  }

  .rx-single-article-inner {
    padding: 0;
  }

  .rx-single-sidebar,
  .rx-share,
  .rx-single-ad,
  .rx-newsletter-box,
  .rx-single-cta,
  .rx-back-to-top,
  .rx-reading-progress,
  .comments-area,
  .rx-related-posts,
  .post-navigation,
  .rx-post-navigation {
    display: none !important;
  }

  .rx-single-content a,
  .entry-content a {
    color: #000000;
    text-decoration: underline;
  }

  .rx-single-content a[href]::after,
  .entry-content a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    font-weight: 400;
  }

  .rx-single-content h2,
  .entry-content h2,
  .rx-single-content h3,
  .entry-content h3 {
    break-after: avoid;
  }

  .rx-single-content table,
  .entry-content table,
  .rx-single-content figure,
  .entry-content figure,
  .rx-medical-summary,
  .rx-key-points,
  .rx-clinical-note,
  .rx-warning-box,
  .rx-diagnosis-box,
  .rx-treatment-box,
  .rx-prevention-box {
    break-inside: avoid;
  }
}

For best structure, keep this file only for single post/page content CSS. Later, you can create separate files like:

assets/static/static-css/components/comments.css
assets/static/static-css/components/author-box.css
assets/static/static-css/components/toc.css
assets/static/static-css/components/related-posts.css

But at this stage, keeping everything inside pages/single.css is okay for building the RX Theme faster.

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