/* AustinSS Blogs Design System */
:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #eff6ff;
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-hover: #f1f5f9;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-text-inverse: #ffffff;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --max-width: 1200px;
  --content-width: 800px;
  --header-height: 70px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --transition: all 0.2s ease-in-out;
}

[data-theme="dark"] {
  --color-bg: #0b0f19;
  --color-surface: #111827;
  --color-surface-hover: #1f2937;
  --color-border: #1f2937;
  --color-text: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-primary-light: #1e3a8a;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.2s ease, color 0.2s ease;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-hover);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.header-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.brand-badge {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-item a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-item a:hover {
  color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background: var(--color-surface-hover);
}

.main-content {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  padding: 2.5rem 1.5rem;
  margin-top: auto;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--color-text-muted);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.error-card {
  max-width: 600px;
  margin: 4rem auto;
  text-align: center;
  padding: 3rem 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.error-code {
  font-size: 5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-title {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.error-desc {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.btn-primary {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

/* Hero Section & Search */
.hero-section {
  text-align: center;
  padding: 3rem 1rem 2.5rem;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: 3rem;
  border: 1px solid var(--color-border);
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto 2rem;
}

.search-form {
  max-width: 640px;
  margin: 0 auto 1.5rem;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.5rem 0.35rem 1rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.search-input-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.search-icon {
  margin-right: 0.75rem;
  font-size: 1.1rem;
  opacity: 0.6;
}

.search-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-size: 1rem;
  outline: none;
  font-family: inherit;
}

.btn-search {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-search:hover {
  background: var(--color-primary-hover);
}

/* Category Filter Pills */
.category-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pills-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.category-pill {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
}

.category-pill:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* Posts Grid & Cards */
.posts-section {
  margin-bottom: 4rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
}

.posts-count {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.card-cover-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.badge-category {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.card-reading-time {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.card-title a {
  color: var(--color-text);
}

.card-title a:hover {
  color: var(--color-primary);
}

.card-excerpt {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.tag-pill {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
}

.tag-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
}

.card-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.author-avatar-placeholder {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
}

.card-date {
  color: var(--color-text-muted);
}

/* Pagination */
.pagination-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.btn-pagination {
  padding: 0.5rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
}

.btn-pagination:hover:not(.disabled) {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn-pagination.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-status {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 1.5rem;
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 600px;
  margin: 2rem auto;
}

.empty-state h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--color-text-muted);
}

/* Article Detail Layout */
.article-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

.article-breadcrumbs {
  display: flex;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.article-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
}

.meta-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-details {
  display: flex;
  flex-direction: column;
}

.author-role {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.meta-stats {
  display: flex;
  gap: 1.25rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.article-cover-img {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 2.5rem;
  border: 1px solid var(--color-border);
}

/* Audio Player Card & Controls */
.audio-player-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.player-branding {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.player-badge {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary);
}

.player-voice-tag {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
}

.player-reading-est {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-audio-play {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-audio-play:hover {
  background: var(--color-primary-hover);
  transform: scale(1.05);
}

.btn-audio-control {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-audio-control:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-audio-speed {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  min-width: 48px;
  text-align: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-audio-speed:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.player-progress-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
}

.time-label {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  min-width: 32px;
}

.audio-seek-slider {
  flex: 1;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-border);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.audio-seek-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.audio-seek-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Fallback & Client-Side Speech Box ("Listen to Article") */
.player-fallback-box {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.fallback-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.fallback-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

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

.speech-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.speech-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-muted);
}

.speech-status-indicator.playing .speech-status-dot {
  background: var(--color-success);
  box-shadow: 0 0 6px var(--color-success);
  animation: pulse-dot 1.5s infinite;
}

.speech-status-indicator.paused .speech-status-dot {
  background: var(--color-warning);
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.speech-reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.6rem 0.85rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.speech-controls-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-speech-action {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
}

.btn-speech-action:hover:not(:disabled) {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-speech-action.play {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn-speech-action.play:hover:not(:disabled) {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

.btn-speech-action:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.speech-voice-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.speech-voice-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.speech-voice-select {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  font-size: 0.78rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  max-width: 220px;
  outline: none;
  transition: var(--transition);
}

.speech-voice-select:hover {
  border-color: var(--color-primary);
}

.speech-voice-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-soft, rgba(0, 113, 227, 0.2));
}

.speech-speed-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.speech-speed-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.speed-pill-group {
  display: flex;
  align-items: center;
  background: var(--color-surface);
  padding: 2px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.btn-speed-pill {
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-speed-pill:hover {
  color: var(--color-text);
}

.btn-speed-pill.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Speech Reader Active Sentence Highlighting */
::highlight(speech-active-sentence) {
  background-color: rgba(0, 113, 227, 0.25);
  color: inherit;
}

[data-theme="dark"] ::highlight(speech-active-sentence) {
  background-color: rgba(41, 151, 255, 0.38);
  color: inherit;
}

mark.speech-active-sentence {
  background-color: rgba(0, 113, 227, 0.25);
  color: inherit;
  border-radius: 3px;
  padding: 1px 3px;
}

[data-theme="dark"] mark.speech-active-sentence {
  background-color: rgba(41, 151, 255, 0.38);
}

.speech-reading-block {
  position: relative;
  transition: background-color 0.25s ease;
}

.speech-reading-block::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 4px;
  bottom: 4px;
  width: 3.5px;
  border-radius: 2px;
  background: var(--color-primary);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

/* Prose Typography */
.prose {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
}

.prose h1, .prose h2, .prose h3, .prose h4 {
  color: var(--color-text);
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.prose h2 { font-size: 1.85rem; border-bottom: 1px solid var(--color-border); padding-bottom: 0.5rem; }
.prose h3 { font-size: 1.45rem; }
.prose p { margin-bottom: 1.5rem; }
.prose ul, .prose ol { margin: 0 0 1.5rem 1.5rem; }
.prose li { margin-bottom: 0.5rem; }
.prose blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-muted);
  font-style: italic;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
}

.prose th, .prose td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.prose th {
  background: var(--color-surface);
  font-weight: 700;
}

.prose pre {
  background: #1e293b;
  color: #f8fafc;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1.75rem 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-surface);
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.prose pre code {
  background: transparent;
  padding: 0;
  border: none;
  color: inherit;
}

/* Pygments Token Highlighting */
.prose pre .k { color: #f472b6; font-weight: 600; } /* keyword */
.prose pre .nf { color: #60a5fa; font-weight: 600; } /* function */
.prose pre .s, .prose pre .s2 { color: #34d399; } /* string */
.prose pre .mi { color: #fbbf24; } /* number */
.prose pre .o { color: #94a3b8; } /* operator */
.prose pre .c1 { color: #64748b; font-style: italic; } /* comment */
.prose pre .nb { color: #38bdf8; } /* built-in */

/* Article Footer, Share & Author */
.article-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tags-label {
  font-weight: 600;
  font-size: 0.9rem;
}

.share-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--color-surface);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 2.5rem;
  border: 1px solid var(--color-border);
}

.share-label {
  font-weight: 600;
  font-size: 0.95rem;
}

.share-buttons {
  display: flex;
  gap: 0.75rem;
}

.btn-share {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-share:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.author-box {
  display: flex;
  gap: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
}

.author-avatar-large {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.author-bio h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.author-bio p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.back-nav {
  text-align: center;
}

.btn-back {
  font-weight: 600;
  font-size: 1rem;
}

/* Archive & Search Headers */
.archive-header, .search-header {
  text-align: center;
  padding: 2rem 1rem;
  margin-bottom: 2.5rem;
}

.archive-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.archive-subtitle, .search-summary {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .posts-grid {
    grid-template-columns: 1fr;
  }

  .article-title {
    font-size: 2rem;
  }
}

/* Authentication & Login UI */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 4rem 1.5rem;
  min-height: 70vh;
}

.auth-card {
  max-width: 480px;
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-badge {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.auth-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.alert {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

[data-theme="dark"] .alert-error {
  background: #450a0a;
  border-color: #7f1d1d;
  color: #fca5a5;
}

.btn-sso {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-sso:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-hover);
}

.sso-disabled-note {
  text-align: center;
  padding: 0.75rem;
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.auth-divider {
  position: relative;
  text-align: center;
  margin: 2rem 0;
  border-bottom: 1px solid var(--color-border);
}

.auth-divider span {
  position: relative;
  top: 10px;
  background: var(--color-surface);
  padding: 0 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.dev-hint {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  text-align: center;
}

.persona-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn-persona {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  width: 100%;
}

.btn-persona:hover {
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.persona-role {
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.35rem;
}

.btn-persona-admin .persona-role {
  background: #fef3c7;
  color: #92400e;
}

.btn-persona-editor .persona-role {
  background: #ede9fe;
  color: #5b21b6;
}

.btn-persona-author .persona-role {
  background: #e0f2fe;
  color: #0369a1;
}

[data-theme="dark"] .btn-persona-admin .persona-role {
  background: #78350f;
  color: #fef3c7;
}

[data-theme="dark"] .btn-persona-editor .persona-role {
  background: #4c1d95;
  color: #ede9fe;
}

[data-theme="dark"] .btn-persona-author .persona-role {
  background: #075985;
  color: #e0f2fe;
}

.persona-email {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
}

.persona-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.auth-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  text-align: center;
}

.security-notice {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.back-link {
  font-size: 0.9rem;
  font-weight: 600;
}

/* User Profile Navbar elements */
.nav-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-badge-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
}

.user-avatar-sm {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.btn-nav-signin {
  padding: 0.35rem 0.85rem;
  background: var(--color-primary);
  color: var(--color-text-inverse) !important;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-nav-signin:hover {
  background: var(--color-primary-hover);
}

.btn-nav-logout {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.35rem;
  font-weight: 500;
  transition: var(--transition);
}

.btn-nav-logout:hover {
  color: var(--color-error);
}

/* Author Dashboard & Post Operations */
.dashboard-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  width: 100%;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.dashboard-role-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.dashboard-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
}

.dashboard-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

.btn-new-post {
  padding: 0.65rem 1.25rem;
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.1;
}

.stat-published { color: var(--color-success); }
.stat-drafts { color: var(--color-warning); }
.stat-archived { color: var(--color-error); }

.tabs-bar {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab-link {
  padding: 0.6rem 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-link:hover {
  color: var(--color-primary);
}

.tab-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.table-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.dashboard-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.dashboard-table th {
  padding: 0.85rem 1.25rem;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.dashboard-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.col-title {
  max-width: 320px;
}

.post-edit-link {
  font-weight: 700;
  color: var(--color-text);
  font-size: 0.95rem;
}

.post-edit-link:hover {
  color: var(--color-primary);
}

.post-slug-hint {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

.author-cell {
  font-weight: 500;
}

.col-date {
  color: var(--color-text-muted);
  white-space: nowrap;
  font-size: 0.85rem;
}

.col-actions {
  text-align: right;
  white-space: nowrap;
}

.action-buttons {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

.btn-action {
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

.btn-action:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-action-publish {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-action-delete {
  color: var(--color-error);
}

.btn-action-delete:hover {
  background: #fef2f2;
  border-color: var(--color-error);
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-published {
  background: #dcfce7;
  color: #15803d;
}

.badge-draft {
  background: #fef3c7;
  color: #b45309;
}

.badge-archived {
  background: #fee2e2;
  color: #b91c1c;
}

[data-theme="dark"] .badge-published { background: #14532d; color: #bbf7d0; }
[data-theme="dark"] .badge-draft { background: #78350f; color: #fde68a; }
[data-theme="dark"] .badge-archived { background: #7f1d1d; color: #fecaca; }

.empty-dashboard {
  text-align: center;
  padding: 4rem 1.5rem;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* Editor Interface */
.editor-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-back-dashboard {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  display: inline-block;
  margin-bottom: 0.35rem;
}

.editor-title {
  font-size: 1.75rem;
  font-weight: 800;
}

.editor-header-actions {
  display: flex;
  gap: 0.75rem;
}

.editor-layout {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 2rem;
}

@media (max-width: 900px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-input-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.form-textarea-code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  resize: vertical;
}

.field-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
  display: block;
}

.editor-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.4rem 0.85rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  background: var(--color-surface);
  color: var(--color-primary);
}

.editor-toolbar {
  margin-left: auto;
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.tool-btn {
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.tool-btn:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
}

.preview-pane {
  min-height: 480px;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow-y: auto;
}

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

.sidebar-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.75rem;
}

.sidebar-info-box {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.info-label {
  color: var(--color-text-muted);
}

.info-val {
  font-weight: 600;
}

/* Draft Preview Mode Banner */
.preview-mode-banner {
  background: #fffbeb;
  border: 1px solid #fef3c7;
  border-left: 5px solid #f59e0b;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

[data-theme="dark"] .preview-mode-banner {
  background: #451a03;
  border-color: #78350f;
  border-left-color: #f59e0b;
  color: #fef3c7;
}

.preview-mode-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.preview-badge {
  background: #f59e0b;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}

.preview-mode-actions {
  display: flex;
  gap: 0.75rem;
}

.btn-preview-action {
  padding: 0.4rem 0.85rem;
  background: #f59e0b;
  color: #ffffff !important;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--transition);
}

.btn-preview-action:hover {
  background: #d97706;
}

.btn-preview-action.secondary {
  background: var(--color-bg);
  color: var(--color-text) !important;
  border: 1px solid var(--color-border);
}

.btn-preview-action.secondary:hover {
  border-color: var(--color-primary);
}

/* ==========================================================================
   Editorial Workflow & Review Queue
   ========================================================================== */
.stat-in-review {
  color: #3b82f6;
}

.stat-changes {
  color: #ef4444;
}

.badge-in-review {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

.badge-changes-requested {
  background: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.btn-action-submit-review {
  background: #eff6ff;
  color: #2563eb;
  border: 1px solid #bfdbfe;
}

.btn-action-submit-review:hover {
  background: #2563eb;
  color: #ffffff;
}

.btn-action-review {
  background: #fef3c7;
  color: #d97706;
  border: 1px solid #fde68a;
  font-weight: 600;
}

.btn-action-review:hover {
  background: #d97706;
  color: #ffffff;
}

.review-page-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem 4rem;
}

.review-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.review-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2.5rem;
  align-items: start;
}

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

.review-main-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
}

.review-sidebar {
  position: sticky;
  top: 1.5rem;
}

.decision-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.decision-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.decision-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.decision-section {
  margin-bottom: 1.25rem;
}

.decision-section h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.decision-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.85rem;
  line-height: 1.4;
}

.decision-divider {
  border: 0;
  height: 1px;
  background: var(--color-border);
  margin: 1.5rem 0;
}

.btn-approve {
  width: 100%;
  padding: 0.75rem;
  font-weight: 700;
  font-size: 0.95rem;
  justify-content: center;
  background: #10b981;
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-approve:hover {
  background: #059669;
}

.btn-reject {
  width: 100%;
  padding: 0.75rem;
  font-weight: 700;
  font-size: 0.95rem;
  justify-content: center;
  background: #ef4444;
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-reject:hover {
  background: #dc2626;
}