/* Blog single page — Nursing Elites prototype layout, Poker Exams theming (#2BC5D4) */

.blog-single {
  --blog-accent: #2BC5D4;
  --blog-accent-deep: #24a8b5;
  --blog-ink: #111827;
  --blog-muted: #6b7280;
  --blog-border: #e5e7eb;
  --blog-soft: rgba(43, 197, 212, 0.1);
  --blog-body: #374151;
  --blog-surface: #ffffff;
  --blog-max: 1200px;
  --blog-prose: 760px;
  --blog-sidebar: 320px;
  --blog-font-heading: "SN Pro", sans-serif;
  --blog-font-body: "Figtree", sans-serif;
  background: #ffffff;
}

/* Scroll progress */
.blog-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: 3px;
  background: transparent;
  pointer-events: none;
}

.blog-progress__bar {
  height: 100%;
  width: 0;
  background: var(--blog-accent);
  transition: width 150ms ease-out;
}

/* Layout shell */
.blog-single__container {
  max-width: var(--blog-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

@media (min-width: 640px) {
  .blog-single__container {
    padding: 0 2rem;
  }
}

.blog-single__container--breadcrumb {
  padding-top: 1.5rem;
}

/* Breadcrumb */
.blog-single__breadcrumb {
  font-size: 0.875rem;
}

.blog-single__breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--blog-muted);
}

.blog-single__breadcrumb-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border-radius: 4px;
  color: var(--blog-muted);
  transition: color 0.2s;
}

.blog-single__breadcrumb-link:hover {
  color: var(--blog-accent);
}

.blog-single__breadcrumb-link:focus-visible {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
}

.blog-single__breadcrumb-sep {
  display: inline-flex;
  color: var(--blog-border);
}

.blog-single__breadcrumb-current {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: 12rem;
  color: color-mix(in srgb, var(--blog-ink) 70%, transparent);
}

@media (min-width: 640px) {
  .blog-single__breadcrumb-current {
    max-width: 20rem;
  }
}

/* Hero header — sit above the featured image so byline clicks work */
.blog-single__hero {
  position: relative;
  z-index: 2;
  overflow: hidden;
}

.blog-single__hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    color-mix(in srgb, var(--blog-soft) 70%, transparent),
    color-mix(in srgb, var(--blog-soft) 25%, transparent),
    transparent
  );
}

.blog-single__hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 60% 80% at 50% 0%,
    color-mix(in srgb, var(--blog-soft) 90%, transparent),
    transparent 70%
  );
}

.blog-single__hero-inner {
  position: relative;
  max-width: 48rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
  text-align: center;
}

@media (min-width: 640px) {
  .blog-single__hero-inner {
    padding: 3.5rem 2rem 5rem;
  }
}

.blog-single__category {
  display: inline-flex;
  align-items: center;
  margin-bottom: 1.5rem;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--blog-accent) 10%, transparent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blog-accent);
}

.blog-single__title {
  font-family: var(--blog-font-heading);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--blog-ink);
  text-wrap: balance;
}

.blog-single__excerpt {
  max-width: 42rem;
  margin: 1.5rem auto 0;
  font-size: 1.125rem;
  line-height: 1.625;
  color: var(--blog-muted);
}

@media (min-width: 640px) {
  .blog-single__excerpt {
    font-size: 1.25rem;
  }
}

.blog-single__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1.25rem;
  margin-top: 2rem;
  font-size: 0.875rem;
  color: var(--blog-muted);
}

.blog-single__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.blog-single__meta-item svg {
  color: var(--blog-accent);
  flex-shrink: 0;
}

.blog-single__meta-dot {
  display: none;
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 9999px;
  background: var(--blog-border);
}

@media (min-width: 640px) {
  .blog-single__meta-dot {
    display: inline-block;
  }
}

.blog-single__byline {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.blog-single__avatar-link {
  display: inline-flex;
  flex-shrink: 0;
  border-radius: 9999px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.blog-single__avatar-link:hover {
  transform: scale(1.04);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blog-accent) 35%, transparent);
}

.blog-single__avatar-link:focus-visible {
  outline: 2px solid var(--blog-accent);
  outline-offset: 3px;
}

.blog-single__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  background: var(--blog-ink);
  font-family: var(--blog-font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
}

.blog-single__avatar--photo {
  object-fit: cover;
  padding: 0;
  background: transparent;
}

.blog-single__byline-text {
  font-size: 0.875rem;
  color: var(--blog-body);
}

.blog-single__byline-name {
  font-weight: 600;
  color: var(--blog-ink);
  text-decoration: none;
}

a.blog-single__byline-name:hover {
  color: var(--blog-accent-deep);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

a.blog-single__byline-name:focus-visible {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Featured image */
.blog-single__featured-wrap {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: -1.5rem auto 0;
  padding: 0 1.25rem;
}

@media (min-width: 640px) {
  .blog-single__featured-wrap {
    margin-top: -2.5rem;
    padding: 0 2rem;
  }
}

.blog-single__featured-frame {
  overflow: hidden;
  border-radius: 1rem;
  box-shadow: 0 20px 40px -10px rgba(17, 24, 39, 0.18);
  border: 1px solid color-mix(in srgb, var(--blog-border) 60%, transparent);
}

.blog-single__featured-img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Main grid */
.blog-single__body {
  padding: 3rem 0 4rem;
}

@media (min-width: 640px) {
  .blog-single__body {
    padding: 4rem 0;
  }
}

.blog-single__grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .blog-single__grid {
    grid-template-columns: 1fr var(--blog-sidebar);
    gap: 4rem;
  }
}

.blog-single__main {
  min-width: 0;
  max-width: var(--blog-prose);
}

/* Editorial prose */
.prose-editorial {
  color: var(--blog-body);
  font-family: var(--blog-font-body);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.85;
  max-width: none;
}

.prose-editorial > * + * {
  margin-top: 1.6rem;
}

.prose-editorial > p:first-of-type {
  color: var(--blog-ink);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.7;
}

.prose-editorial > p:first-of-type::first-letter {
  float: left;
  margin: 0.35rem 0.65rem 0 0;
  font-family: var(--blog-font-heading);
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 0.85;
  color: var(--blog-accent);
}

.prose-editorial h2 {
  margin-top: 3.5rem;
  margin-bottom: 0.4rem;
  scroll-margin-top: 6rem;
  font-family: var(--blog-font-heading);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--blog-ink);
}

.prose-editorial h3 {
  margin-top: 2.5rem;
  margin-bottom: 0.2rem;
  scroll-margin-top: 6rem;
  font-family: var(--blog-font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--blog-ink);
}

.prose-editorial h4 {
  margin-top: 2rem;
  font-family: var(--blog-font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--blog-ink);
}

.prose-editorial p {
  margin-top: 1.4rem;
}

.prose-editorial a {
  color: var(--blog-accent);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--blog-accent) 30%, transparent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color 0.2s, text-decoration-color 0.2s;
}

.prose-editorial a:hover {
  color: var(--blog-accent-deep);
  text-decoration-color: var(--blog-accent);
}

.prose-editorial strong {
  color: var(--blog-ink);
  font-weight: 600;
}

.prose-editorial ul {
  margin-top: 1.6rem;
  padding-left: 0;
  list-style: none;
}

.prose-editorial ul > li {
  position: relative;
  margin-top: 0.85rem;
  padding-left: 2rem;
}

.prose-editorial ul > li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 2px;
  background-color: var(--blog-accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / contain no-repeat;
}

.prose-editorial ol {
  counter-reset: list-item;
  margin-top: 1.6rem;
  padding-left: 0;
  list-style: none;
}

.prose-editorial ol > li {
  counter-increment: list-item;
  position: relative;
  margin-top: 1rem;
  padding-left: 2.75rem;
}

.prose-editorial ol > li::before {
  content: counter(list-item);
  position: absolute;
  top: 0.15em;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 9999px;
  background: var(--blog-soft);
  font-family: var(--blog-font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blog-accent);
}

.prose-editorial blockquote {
  position: relative;
  margin: 3rem 0;
  padding: 0.5rem 0 0.5rem 1.75rem;
  border-left: 4px solid var(--blog-accent);
  font-family: var(--blog-font-heading);
  font-size: 1.4rem;
  font-style: italic;
  font-weight: 600;
  line-height: 1.5;
  color: var(--blog-accent-deep);
}

.prose-editorial blockquote p {
  margin: 0;
}

.prose-editorial img {
  width: 100%;
  height: auto;
  margin-top: 2.5rem;
  border-radius: 0.75rem;
  box-shadow: 0 20px 40px -12px rgba(17, 24, 39, 0.12);
}

.prose-editorial figure {
  margin: 2.5rem 0 0;
}

.prose-editorial figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-style: italic;
  text-align: center;
  color: var(--blog-muted);
}

.prose-editorial .chapter-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 3.5rem 0;
  color: var(--blog-accent);
}

.prose-editorial .chapter-marker::before,
.prose-editorial .chapter-marker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--blog-border);
}

.prose-editorial .chapter-marker span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Tags */
.blog-single__tags {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--blog-border);
}

.blog-single__tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.blog-single__tag {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 1rem;
  border: 1px solid var(--blog-border);
  border-radius: 9999px;
  background: var(--blog-surface);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--blog-ink);
  transition: border-color 0.2s, color 0.2s;
}

.blog-single__tag:hover {
  border-color: var(--blog-accent);
  color: var(--blog-accent);
}

/* Inline CTA */
.blog-single__cta {
  margin-top: 3rem;
  overflow: hidden;
  padding: 2rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--blog-accent-deep), var(--blog-ink));
  color: #fff;
  box-shadow: 0 24px 50px -16px rgba(44, 36, 32, 0.5);
}

@media (min-width: 640px) {
  .blog-single__cta {
    padding: 2.5rem;
  }
}

.blog-single__cta-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.blog-single__cta-title {
  margin-top: 0.75rem;
  font-family: var(--blog-font-heading);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
  line-height: 1.2;
}

.blog-single__cta-text {
  max-width: 42rem;
  margin-top: 0.75rem;
  line-height: 1.625;
  color: rgba(255, 255, 255, 0.85);
}

.blog-single__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.blog-single__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.blog-single__cta-btn--primary {
  background: #fff;
  color: var(--blog-ink);
}

.blog-single__cta-btn--primary:hover {
  background: var(--blog-soft);
}

.blog-single__cta-btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
}

.blog-single__cta-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Post navigation */
.blog-single__post-nav {
  display: grid;
  gap: 1rem;
  margin-top: 3rem;
}

@media (min-width: 640px) {
  .blog-single__post-nav {
    grid-template-columns: 1fr 1fr;
  }
}

.blog-single__post-nav-link {
  display: block;
  padding: 1.25rem;
  border: 1px solid var(--blog-border);
  border-radius: 1rem;
  background: var(--blog-surface);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.blog-single__post-nav-link:hover {
  border-color: var(--blog-accent);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
}

.blog-single__post-nav-link:focus-visible {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
}

.blog-single__post-nav-link--next {
  text-align: right;
}

.blog-single__post-nav-label {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--blog-muted);
  transition: color 0.2s;
}

.blog-single__post-nav-link:hover .blog-single__post-nav-label {
  color: var(--blog-accent);
}

.blog-single__post-nav-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 0.5rem;
  font-family: var(--blog-font-heading);
  font-weight: 600;
  color: var(--blog-ink);
  transition: color 0.2s;
}

.blog-single__post-nav-link:hover .blog-single__post-nav-title {
  color: var(--blog-accent);
}

/* Sidebar */
.blog-single__sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .blog-single__sidebar {
    position: sticky;
    top: 6rem;
    align-self: start;
  }
}

.blog-single__sidebar-card {
  padding: 1.5rem;
  border: 1px solid var(--blog-border);
  border-radius: 1rem;
  background: var(--blog-surface);
}

.blog-single__sidebar-title {
  margin-bottom: 1rem;
  font-family: var(--blog-font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blog-ink);
}

.blog-single__recent-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-single__recent-link {
  display: block;
}

.blog-single__recent-title {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.375;
  color: var(--blog-ink);
  transition: transform 0.2s, color 0.2s;
}

.blog-single__recent-link:hover .blog-single__recent-title {
  transform: translateX(0.25rem);
  color: var(--blog-accent);
}

.blog-single__recent-date {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--blog-muted);
}

.blog-single__share-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.blog-single__share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--blog-border);
  border-radius: 9999px;
  background: transparent;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--blog-ink);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.blog-single__share-btn:hover {
  border-color: var(--blog-accent);
  color: var(--blog-accent);
}

.blog-single__share-btn:focus-visible {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
}

.blog-single__promo {
  padding: 1.5rem;
  border-radius: 1rem;
  background: var(--blog-ink);
  color: #fff;
}

.blog-single__promo-icon {
  color: var(--blog-accent);
}

.blog-single__promo-title {
  margin-top: 1rem;
  font-family: var(--blog-font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
}

.blog-single__promo-text {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.625;
  color: rgba(255, 255, 255, 0.8);
}

.blog-single__promo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  margin-top: 1.25rem;
  padding: 0.625rem 1.25rem;
  border-radius: 9999px;
  background: linear-gradient(to right, var(--blog-accent), var(--blog-accent-deep));
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  transition: opacity 0.2s;
}

.blog-single__promo-btn:hover {
  opacity: 0.9;
}

.blog-single__back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blog-accent);
  transition: gap 0.2s;
}

.blog-single__post-nav-spacer {
  display: none;
}

@media (min-width: 640px) {
  .blog-single__post-nav-spacer {
    display: block;
  }
}

.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;
}