/* =========================================
   Trending Page — X (Twitter) News Feed Styles
   Strictly scoped to #trendingView inside .content-frame
   ========================================= */

:root,
[data-theme="light"] {
  --x-bg-primary: #f7f5f0;
  --x-bg-hover: rgba(24, 23, 20, 0.035);
  --x-bg-sticky: rgba(247, 245, 240, 0.85);
  --x-bg-card: #efeae0;
  --x-border: rgba(24, 23, 20, 0.14);
  --x-border-strong: rgba(24, 23, 20, 0.22);
  --x-text-primary: #0f1419;
  --x-text-secondary: #536471;
  --x-accent-blue: #1d9bf0;
  --x-accent-blue-bg: rgba(29, 155, 240, 0.1);
  --x-accent-green: #00ba7c;
  --x-accent-green-bg: rgba(0, 186, 124, 0.1);
  --x-accent-pink: #f91880;
  --x-accent-pink-bg: rgba(249, 24, 128, 0.1);
  --x-scrollbar-thumb: rgba(24, 23, 20, 0.18);
  --x-scrollbar-hover: rgba(24, 23, 20, 0.32);
}

[data-theme="dark"] {
  --x-bg-primary: #101010;
  --x-bg-hover: rgba(255, 255, 255, 0.03);
  --x-bg-sticky: rgba(16, 16, 16, 0.82);
  --x-bg-card: #16181c;
  --x-border: #2f3336;
  --x-border-strong: #3e4347;
  --x-text-primary: #f3f4f6;
  --x-text-secondary: #9ca3af;
  --x-accent-blue: #1d9bf0;
  --x-accent-blue-bg: rgba(29, 155, 240, 0.12);
  --x-accent-green: #00ba7c;
  --x-accent-green-bg: rgba(0, 186, 124, 0.12);
  --x-accent-pink: #f91880;
  --x-accent-pink-bg: rgba(249, 24, 128, 0.12);
  --x-scrollbar-thumb: rgba(255, 255, 255, 0.18);
  --x-scrollbar-hover: rgba(255, 255, 255, 0.32);
}

/* Bounded Scrollable Area Inside Content Frame (Matching About View Scroll Architecture) */
.trending-view {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior-y: auto;
  background: transparent;
  color: var(--x-text-primary);
  z-index: 2;
  user-select: text;
}

/* Subtle Custom Scrollbar Inside Content Area */
.trending-view::-webkit-scrollbar {
  width: 6px;
}

.trending-view::-webkit-scrollbar-track {
  background: transparent;
}

.trending-view::-webkit-scrollbar-thumb {
  background: var(--x-scrollbar-thumb);
  border-radius: 9999px;
}

.trending-view::-webkit-scrollbar-thumb:hover {
  background: var(--x-scrollbar-hover);
}

/* Centered X Timeline Column with Left & Right Borderlines */
.x-feed-column {
  width: 100%;
  max-width: 600px;
  min-height: 100%;
  margin: 0 auto;
  border-left: 1px solid var(--x-border);
  border-right: 1px solid var(--x-border);
  background-color: var(--x-bg-primary);
  padding-bottom: 64px;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

/* Sticky X Header Tabs ("For you" / "Trending") */
.x-feed-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  width: 100%;
  height: 53px;
  background-color: var(--x-bg-sticky);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--x-border);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.x-feed-tab {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: var(--x-text-secondary);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.x-feed-tab:hover {
  background-color: var(--x-bg-hover);
}

.x-feed-tab.active {
  font-weight: 700;
  color: var(--x-text-primary);
}

.x-feed-tab-label {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.x-feed-tab.active .x-feed-tab-label::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 9999px;
  background-color: var(--x-accent-blue);
}

/* Individual X Post Container — Separated by 1px Borderline */
.x-post {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  padding: 12px 16px;
  border-bottom: 1px solid var(--x-border);
  background-color: transparent;
  transition: background-color 0.15s ease, border-color 0.25s ease;
  cursor: pointer;
}

.x-post:hover {
  background-color: var(--x-bg-hover);
}

/* Left Column: 40x40 Circular Avatar */
.x-post-avatar-col {
  margin-right: 12px;
  flex-shrink: 0;
}

.x-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  color: #ffffff;
  border: 1px solid var(--x-border);
  overflow: hidden;
  user-select: none;
}

/* Right Column: Post Content */
.x-post-body-col {
  flex: 1;
  min-width: 0;
}

/* Post Author & Meta Row */
.x-post-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  line-height: 20px;
}

.x-post-author-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  min-width: 0;
}

.x-author-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--x-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.x-author-name:hover {
  text-decoration: underline;
}

.x-verified-badge {
  display: inline-flex;
  align-items: center;
  color: var(--x-accent-blue);
  flex-shrink: 0;
}

.x-author-handle,
.x-post-dot,
.x-post-time {
  font-size: 15px;
  font-weight: 400;
  color: var(--x-text-secondary);
  white-space: nowrap;
}

.x-post-more-btn {
  width: 32px;
  height: 32px;
  margin: -6px -8px -6px 0;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--x-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
  flex-shrink: 0;
}

.x-post-more-btn:hover {
  background-color: var(--x-accent-blue-bg);
  color: var(--x-accent-blue);
}

/* Post Copy / Text */
.x-post-text {
  margin-top: 2px;
  font-size: 15px;
  line-height: 20px;
  color: var(--x-text-primary);
  word-wrap: break-word;
  white-space: pre-line;
}

.x-hashtag {
  color: var(--x-accent-blue);
  font-weight: 500;
}

.x-hashtag:hover {
  text-decoration: underline;
}

/* =========================================
   Media Containers: Photos, Grids, Videos, Left-to-Right Carousels
   ========================================= */
.x-media-wrapper {
  margin-top: 12px;
  border-radius: 16px;
  border: 1px solid var(--x-border);
  overflow: hidden;
  background-color: var(--x-bg-card);
  position: relative;
}

/* 1-Photo Single Layout */
.x-media-grid-1 {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 510px;
}

/* 2-Photo Side-by-Side (Left to Right) Grid */
.x-media-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background-color: var(--x-border);
  aspect-ratio: 16 / 9;
  max-height: 340px;
}

/* 3-Photo Asymmetric Grid (1 Tall Left + 2 Stacked Right) */
.x-media-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  background-color: var(--x-border);
  aspect-ratio: 16 / 9;
  max-height: 360px;
}

.x-media-grid-3 .x-media-item:first-child {
  grid-row: 1 / span 2;
}

/* 4-Photo 2x2 Grid */
.x-media-grid-4 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  background-color: var(--x-border);
  aspect-ratio: 16 / 9;
  max-height: 380px;
}

.x-media-item {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--x-bg-card);
}

.x-media-item img,
.x-media-item svg.x-media-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
  transition: transform 0.25s ease;
}

.x-media-item:hover img {
  transform: scale(1.015);
}

/* Horizontal Video (16:9) & Vertical Video (9:16) — Compact Resized Display */
.x-video-container {
  position: relative;
  margin-top: 10px;
  border-radius: 14px;
  border: 1px solid var(--x-border);
  overflow: hidden;
  background-color: #000000;
}

.x-video-horizontal {
  width: 100%;
  max-width: 340px;
  aspect-ratio: 16 / 9;
  max-height: 190px;
}

.x-video-vertical {
  width: min(100%, 175px);
  aspect-ratio: 9 / 16;
  max-height: 250px;
}

.x-video-element {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Video Controls Overlay (Play Button, Duration Badge, Mute Toggle) */
.x-video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 32%);
  transition: opacity 0.2s ease;
}

.x-video-play-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--x-accent-blue);
  border: 2.5px solid rgba(255, 255, 255, 0.92);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.18s ease;
}

.x-video-play-btn:hover {
  transform: scale(1.08);
}

.x-video-container.playing .x-video-play-btn {
  opacity: 0;
  pointer-events: none;
}

.x-video-container.playing:hover .x-video-play-btn {
  opacity: 0.9;
  pointer-events: auto;
}

.x-video-bottom-bar {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.x-video-badge {
  background-color: rgba(15, 20, 25, 0.78);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}

.x-video-mute-btn {
  pointer-events: auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: rgba(15, 20, 25, 0.78);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.x-video-mute-btn:hover {
  background-color: rgba(15, 20, 25, 0.95);
  transform: scale(1.06);
}

/* =========================================
   Left-to-Right Horizontal Multi-Post / Multi-Media Carousel
   ========================================= */
.x-carousel-outer {
  position: relative;
  margin-top: 12px;
}

.x-carousel-track {
  display: flex;
  flex-direction: row;
  gap: 10px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 2px;
}

.x-carousel-track::-webkit-scrollbar {
  display: none;
}

.x-carousel-card {
  flex: 0 0 82%;
  max-width: 82%;
  scroll-snap-align: start;
  border-radius: 16px;
  border: 1px solid var(--x-border);
  background-color: var(--x-bg-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease;
}

.x-carousel-card:hover {
  border-color: var(--x-border-strong);
}

.x-carousel-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: #0d0d10;
  border-bottom: 1px solid var(--x-border);
}

.x-carousel-card-media img,
.x-carousel-card-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
}

.x-carousel-slide-count {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: rgba(15, 20, 25, 0.76);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 9999px;
}

.x-carousel-card-meta {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.x-carousel-card-domain {
  font-size: 12px;
  color: var(--x-text-secondary);
}

.x-carousel-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--x-text-primary);
  line-height: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.x-carousel-nav-btn {
  position: absolute;
  top: 42%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: rgba(15, 20, 25, 0.78);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 4;
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.x-carousel-outer:hover .x-carousel-nav-btn {
  opacity: 1;
}

.x-carousel-nav-btn:hover {
  background-color: rgba(15, 20, 25, 0.95);
  transform: translateY(-50%) scale(1.06);
}

.x-carousel-nav-btn.prev {
  left: 8px;
}

.x-carousel-nav-btn.next {
  right: 8px;
}

.x-carousel-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-top: 8px;
}

.x-carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--x-border-strong);
  transition: all 0.2s ease;
}

.x-carousel-dot.active {
  background-color: var(--x-accent-blue);
  transform: scale(1.15);
}

/* =========================================
   Bottom Action Bar (Comment, Repost, Like, Share)
   ========================================= */
.x-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 400px;
  width: 100%;
  margin-top: 10px;
  margin-left: -8px;
  user-select: none;
}

.x-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  color: var(--x-text-secondary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 400;
  padding: 0;
  transition: color 0.15s ease;
}

.x-action-icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.x-action-btn:active .x-action-icon-wrap {
  transform: scale(0.9);
}

/* Reply / Share Hover & Active (X Blue) */
.x-action-btn.reply:hover,
.x-action-btn.reply.active,
.x-action-btn.share:hover,
.x-action-btn.share.active,
.x-action-btn.views:hover,
.x-action-btn.bookmark:hover,
.x-action-btn.bookmark.active {
  color: var(--x-accent-blue);
}

.x-action-btn.reply:hover .x-action-icon-wrap,
.x-action-btn.reply.active .x-action-icon-wrap,
.x-action-btn.share:hover .x-action-icon-wrap,
.x-action-btn.share.active .x-action-icon-wrap,
.x-action-btn.views:hover .x-action-icon-wrap,
.x-action-btn.bookmark:hover .x-action-icon-wrap {
  background-color: var(--x-accent-blue-bg);
}

/* Repost Hover & Active (X Green) */
.x-action-btn.repost:hover,
.x-action-btn.repost.active {
  color: var(--x-accent-green);
}

.x-action-btn.repost:hover .x-action-icon-wrap {
  background-color: var(--x-accent-green-bg);
}

/* Like Hover & Active (X Pink/Red) */
.x-action-btn.like:hover,
.x-action-btn.like.active {
  color: var(--x-accent-pink);
}

.x-action-btn.like:hover .x-action-icon-wrap {
  background-color: var(--x-accent-pink-bg);
}

.x-action-right-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

/* =========================================
   Inline Center-Borderline Comment Section
   Separated ONLY by 1px horizontal borderlines (Zero card covers/backgrounds)
   ========================================= */
.x-post-unit {
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* When the inline comment drawer is open, the post's bottom border splits into the drawer's top & bottom borders */
.x-post-unit.comments-open > .x-post {
  border-bottom-color: transparent;
}

.x-inline-comments-drawer {
  width: 100%;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  background-color: transparent;
  border-top: 0 solid var(--x-border);
  border-bottom: 0 solid var(--x-border);
  transition:
    max-height 0.24s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.18s ease,
    border-color 0.2s ease;
  box-sizing: border-box;
}

/* Open State (Compact Default Height between the two posts) */
.x-inline-comments-drawer.open {
  max-height: 245px;
  opacity: 1;
  border-top: 1px solid var(--x-border);
  border-bottom: 1px solid var(--x-border);
}

/* Expanded State (Slightly taller when user clicks Expand) */
.x-inline-comments-drawer.open.expanded {
  max-height: 390px;
}

.x-inline-comments-inner {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 0;
  box-sizing: border-box;
}

/* Top Control Bar Inside Separated Borderline (Title, Expand Toggle, Cancel/Hide Console Button) */
.x-comments-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 16px;
  border-bottom: 1px solid var(--x-border);
  background-color: transparent;
  user-select: none;
}

.x-comments-toolbar-title {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: var(--x-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.x-comments-toolbar-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.x-comments-ctrl-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  height: 22px;
  border-radius: 9999px;
  border: 1px solid var(--x-border);
  background-color: transparent;
  color: var(--x-text-secondary);
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.x-comments-ctrl-btn:hover {
  color: var(--x-text-primary);
  border-color: var(--x-border-strong);
}

.x-comments-ctrl-btn.expand-btn.active {
  color: var(--x-accent-blue);
  border-color: var(--x-accent-blue);
}

/* Scrollable Comments Stream Underneath (Separated ONLY by 1px borderlines) */
.x-comments-scroll-list {
  display: flex;
  flex-direction: column;
  max-height: 140px;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  transition: max-height 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.x-inline-comments-drawer.open.expanded .x-comments-scroll-list {
  max-height: 280px;
}

.x-comments-scroll-list::-webkit-scrollbar {
  width: 4px;
}

.x-comments-scroll-list::-webkit-scrollbar-track {
  background: transparent;
}

.x-comments-scroll-list::-webkit-scrollbar-thumb {
  background: var(--x-scrollbar-thumb);
  border-radius: 9999px;
}

/* Individual Comment Row — Separated by a centered middle line (not end-to-end), zero card cover */
.x-comment-item {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 11px;
  padding: 11px 16px;
  border-bottom: none;
  background-color: transparent;
}

.x-comment-item:not(:last-child)::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 56%;
  max-width: 280px;
  height: 1px;
  background-color: var(--x-border);
  pointer-events: none;
}

.x-comment-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
  overflow: hidden;
  border: 1px solid var(--x-border);
  user-select: none;
}

.x-comment-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.x-comment-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.x-comment-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  line-height: 18px;
}

.x-comment-author {
  font-size: 14px;
  font-weight: 700;
  color: var(--x-text-primary);
}

[data-theme="dark"] .x-author-name,
[data-theme="dark"] .x-comment-author,
[data-theme="dark"] .x-post-text,
[data-theme="dark"] .x-comment-text,
[data-theme="dark"] .x-comment-input {
  color: #f3f4f6;
}

[data-theme="light"] .x-author-name,
[data-theme="light"] .x-comment-author,
[data-theme="light"] .x-post-text,
[data-theme="light"] .x-comment-text,
[data-theme="light"] .x-comment-input {
  color: #0f1419;
}

[data-theme="dark"] .x-author-handle,
[data-theme="dark"] .x-post-time,
[data-theme="dark"] .x-post-dot,
[data-theme="dark"] .x-comment-handle,
[data-theme="dark"] .x-comment-time,
[data-theme="dark"] .x-comments-toolbar-title {
  color: #9ca3af;
}

[data-theme="light"] .x-author-handle,
[data-theme="light"] .x-post-time,
[data-theme="light"] .x-post-dot,
[data-theme="light"] .x-comment-handle,
[data-theme="light"] .x-comment-time,
[data-theme="light"] .x-comments-toolbar-title {
  color: #536471;
}

.x-comment-handle,
.x-comment-time {
  font-size: 13px;
  color: var(--x-text-secondary);
}

.x-comment-text {
  font-size: 14px;
  line-height: 19px;
  color: var(--x-text-primary);
  word-wrap: break-word;
}

/* Inline User Comment Input Bar — Separated by 1px top borderline, transparent background */
.x-comments-composer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-top: 1px solid var(--x-border);
  background-color: transparent;
}

.x-composer-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  border: 1px solid var(--x-border);
  user-select: none;
}

.x-comment-input {
  flex: 1;
  min-width: 0;
  height: 32px;
  padding: 0 4px;
  border: none;
  border-bottom: 1px solid var(--x-border);
  border-radius: 0;
  background-color: transparent;
  color: var(--x-text-primary);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease;
}

.x-comment-input::placeholder {
  color: var(--x-text-secondary);
}

.x-comment-input:focus {
  border-bottom-color: var(--x-accent-blue);
}

.x-comment-cancel-btn {
  height: 28px;
  padding: 0 10px;
  border-radius: 9999px;
  border: 1px solid var(--x-border);
  background-color: transparent;
  color: var(--x-text-secondary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.x-comment-cancel-btn:hover {
  color: var(--x-text-primary);
  border-color: var(--x-border-strong);
}

.x-comment-submit-btn {
  height: 28px;
  padding: 0 12px;
  border-radius: 9999px;
  border: none;
  background-color: var(--x-accent-blue);
  color: #ffffff;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.12s ease;
  flex-shrink: 0;
}

.x-comment-submit-btn:hover {
  opacity: 0.92;
}

.x-comment-submit-btn:active {
  transform: scale(0.96);
}

/* Responsive adjustments for mobile viewports */
@media (max-width: 768px) {
  .x-feed-column {
    border-left: none;
    border-right: none;
  }

  .x-post {
    padding: 10px 12px;
  }

  .x-comments-toolbar {
    padding: 6px 12px;
  }

  .x-comment-item {
    padding: 9px 12px;
  }

  .x-comments-composer {
    padding: 7px 12px;
  }

  .x-inline-comments-drawer.open {
    max-height: 235px;
  }

  .x-inline-comments-drawer.open.expanded {
    max-height: 365px;
  }

  .x-comments-scroll-list {
    max-height: 130px;
  }

  .x-inline-comments-drawer.open.expanded .x-comments-scroll-list {
    max-height: 255px;
  }

  .x-carousel-card {
    flex: 0 0 88%;
    max-width: 88%;
  }

  .x-video-horizontal {
    max-width: 290px;
    max-height: 164px;
  }

  .x-video-vertical {
    width: min(100%, 155px);
    max-height: 220px;
  }
}

/* =========================================
   Post Reach Showcase (First Layer Below Scrolling Adverts: #darkSection)
   Website DNA: Zero borderlines, zero box covers, pure picture & writing
   ========================================= */
.reach-showcase {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 34px;
  background: transparent;
  border: none;
  padding: 8px 0;
  user-select: none;
}

/* 1. Top Featured Post (Larger Left Picture Display + Right Writing, Fades Every 5s) */
.reach-spotlight {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 28px;
  width: 100%;
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 1;
  transition: opacity 0.34s ease, transform 0.2s ease;
  outline: none;
}

.reach-spotlight.fading {
  opacity: 0;
}

.reach-spotlight-media {
  width: clamp(190px, 46vw, 290px);
  aspect-ratio: 1 / 1;
  flex-shrink: 0;
  border-radius: 12px;
  overflow: hidden;
  border: none;
  background: transparent;
}

.reach-spotlight-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border: none;
  transition: transform 0.3s ease;
}

.reach-spotlight:hover .reach-spotlight-media img {
  transform: scale(1.02);
}

.reach-spotlight-copy {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: transparent;
  border: none;
}

.reach-spotlight-author {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--x-text-secondary);
}

.reach-spotlight-text {
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 500;
  line-height: 1.44;
  color: var(--x-text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 2. Bottom Horizontal Scrollable Row (Smaller Compact Cards, Scrolls Left-to-Right & Right-to-Left) */
.reach-strip-track {
  display: flex;
  flex-direction: row;
  gap: 14px;
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;
  scrollbar-width: none;
  -ms-overflow-style: none;
  background: transparent;
  border: none;
  cursor: grab;
}

.reach-strip-track:active {
  cursor: grabbing;
}

.reach-strip-track::-webkit-scrollbar {
  display: none;
}

.reach-strip-item {
  flex: 0 0 clamp(105px, 24%, 150px);
  max-width: clamp(105px, 24%, 150px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  outline: none;
}

.reach-strip-media {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  overflow: hidden;
  border: none;
  background: transparent;
}

.reach-strip-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border: none;
  transition: transform 0.28s ease;
}

.reach-strip-item:hover .reach-strip-media img {
  transform: scale(1.03);
}

.reach-strip-caption {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.34;
  color: var(--x-text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  border: none;
  background: transparent;
}

[data-theme="dark"] .reach-spotlight-text,
[data-theme="dark"] .reach-strip-caption {
  color: #f3f4f6;
}

[data-theme="light"] .reach-spotlight-text,
[data-theme="light"] .reach-strip-caption {
  color: #0f1419;
}

[data-theme="dark"] .reach-spotlight-author {
  color: #9ca3af;
}

[data-theme="light"] .reach-spotlight-author {
  color: #536471;
}

@media (max-width: 768px) {
  .dark-section-content,
  .effect-layer-content {
    padding: 24px 14px;
  }

  .reach-showcase {
    gap: 26px;
  }

  .reach-spotlight {
    gap: 18px;
  }

  .reach-spotlight-media {
    width: 48%;
    max-width: 190px;
  }

  .reach-spotlight-text {
    font-size: 16.5px;
    line-height: 1.4;
    -webkit-line-clamp: 5;
  }

  .reach-strip-track {
    gap: 12px;
  }

  .reach-strip-item {
    flex: 0 0 27%;
    max-width: 105px;
    gap: 5px;
  }

  .reach-strip-caption {
    font-size: 11px;
    line-height: 1.28;
    -webkit-line-clamp: 2;
  }
}


/* =========================================
   Loading Skeletons (Feed Sync Skeleton & Image Shimmer Placeholders)
   Adaptive to Light & Dark modes, zero layout shift
   ========================================= */
:root,
[data-theme="light"] {
  --skeleton-base: rgba(24, 23, 20, 0.06);
  --skeleton-highlight: rgba(24, 23, 20, 0.12);
}

[data-theme="dark"] {
  --skeleton-base: rgba(255, 255, 255, 0.05);
  --skeleton-highlight: rgba(255, 255, 255, 0.11);
}

@keyframes alterwordsShimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.x-shimmer,
.x-img-loading {
  background: linear-gradient(
    90deg,
    var(--skeleton-base) 25%,
    var(--skeleton-highlight) 50%,
    var(--skeleton-base) 75%
  );
  background-size: 200% 100%;
  animation: alterwordsShimmer 1.35s ease-in-out infinite;
}

.x-post-skeleton {
  display: flex;
  flex-direction: row;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--x-border);
  background: transparent;
}

.x-skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.x-skeleton-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.x-skeleton-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.x-skeleton-line {
  display: block;
  height: 12px;
  border-radius: 6px;
}

.x-skeleton-author {
  width: 120px;
}

.x-skeleton-handle {
  width: 85px;
}

.x-skeleton-text-1 {
  width: 92%;
}

.x-skeleton-text-2 {
  width: 68%;
}

.x-skeleton-media {
  width: 100%;
  height: 150px;
  border-radius: 12px;
  margin-top: 4px;
}


/* =========================================
   "See More" Icon Bar on the Last Post
   ========================================= */
.x-see-more-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px 14px 16px;
  border-bottom: 1px solid var(--x-border);
  background: transparent;
}

.x-see-more-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 6px 16px;
  border-radius: 9999px;
  border: 1px solid var(--x-border-strong);
  background: transparent;
  color: var(--x-text-primary);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.15s ease;
}

.x-see-more-btn:hover {
  border-color: var(--x-accent-blue);
  color: var(--x-accent-blue);
  transform: translateY(-1px);
}

.x-see-more-btn:active {
  transform: scale(0.96);
}

.x-see-more-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* =========================================
   Full-Screen Image Lightbox Viewer (Tapping Any Post Picture)
   ========================================= */
.x-image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 3500;
  background: rgba(5, 6, 8, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.x-image-lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.x-image-lightbox-img {
  max-width: min(94vw, 1080px);
  max-height: 86vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
  transform: scale(0.95);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.x-image-lightbox.active .x-image-lightbox-img {
  transform: scale(1);
}

.x-image-lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.x-image-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.26);
  transform: scale(1.06);
}

/* =========================================
   TUTORIAL INFRASTRUCTURE SPEC v1.0 STYLES
   - Scrollable Tutorial Stream inside #tutorialView
   - Card (list item): Thumbnail LEFT · 3 lines RIGHT · Avatar circle TOP-RIGHT · Horizontal border lines between cards
   - Tutorial Page (10-part lesson detail view):
     title + outcome → video player → download card → intro → numbered steps
     → mistakes box → tickable checklist → exercise → next teaser → service card
   ========================================= */

.tutorial-view {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior-y: auto;
  background: transparent;
  color: var(--x-text-primary);
  z-index: 2;
  user-select: text;
}

.tutorial-view::-webkit-scrollbar {
  width: 6px;
}

.tutorial-view::-webkit-scrollbar-track {
  background: transparent;
}

.tutorial-view::-webkit-scrollbar-thumb {
  background: var(--x-scrollbar-thumb);
  border-radius: 9999px;
}

.tutorial-view::-webkit-scrollbar-thumb:hover {
  background: var(--x-scrollbar-hover);
}

.tut-feed-column {
  padding-bottom: 72px;
}

.tut-stream-list {
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* Tutorial Card (Matches Green Wireframe Sketch) */
.tut-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px;
  border-bottom: 1px solid var(--x-border);
  background-color: transparent;
  cursor: pointer;
  transition: background-color 0.16s ease;
  text-align: left;
}

.tut-card:hover {
  background-color: var(--x-bg-hover);
}

.tut-card:focus-visible {
  outline: 2px solid var(--x-accent-blue);
  outline-offset: -2px;
}

.tut-card.tut-card-surfaced {
  background-color: rgba(29, 155, 240, 0.03);
  border-top: 1px solid var(--x-border);
}

/* Left Static Thumbnail (Video NEVER plays in the card) */
.tut-card-thumb {
  width: 118px;
  height: 82px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--x-border);
  background: var(--x-bg-card);
}

.tut-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Right 3-Line Text Stack */
.tut-card-body {
  flex: 1;
  min-width: 0;
  padding-right: 42px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

/* Line 1: Title */
.tut-card-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.32;
  color: var(--x-text-primary);
  letter-spacing: -0.01em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Line 2: Summary */
.tut-card-summary {
  margin: 0;
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.42;
  color: var(--x-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Line 3: Lane + Lesson Number */
.tut-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 600;
  color: var(--x-text-secondary);
}

.tut-lane-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--x-accent-blue-bg);
  color: var(--x-accent-blue);
}

.tut-lane-badge[data-lane="ads"] {
  background: rgba(249, 115, 22, 0.14);
  color: #f97316;
}

.tut-lane-badge[data-lane="money"] {
  background: rgba(16, 185, 129, 0.14);
  color: #10b981;
}

.tut-lane-badge[data-lane="career"] {
  background: rgba(129, 140, 248, 0.14);
  color: #6366f1;
}

[data-theme="dark"] .tut-lane-badge[data-lane="career"] {
  color: #818cf8;
}

.tut-lane-badge[data-lane="tech"] {
  background: rgba(6, 182, 212, 0.14);
  color: #0891b2;
}

[data-theme="dark"] .tut-lane-badge[data-lane="tech"] {
  color: #22d3ee;
}

.tut-lane-badge[data-lane="creativity"] {
  background: rgba(244, 114, 182, 0.14);
  color: #db2777;
}

[data-theme="dark"] .tut-lane-badge[data-lane="creativity"] {
  color: #f472b6;
}

.tut-surfaced-pill {
  margin-left: auto;
  padding: 1px 7px;
  border-radius: 6px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid var(--x-border);
  color: var(--x-text-primary);
}

/* Top-Right Agent Avatar Circle */
.tut-card-avatar {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #ffffff;
  border: 1px solid var(--x-border);
  flex-shrink: 0;
}

.tut-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* =========================================
   TUTORIAL DETAIL VIEW (10-Part Lesson Layout)
   ========================================= */

.tut-detail-view {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.tut-detail-backbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  padding: 0 16px;
  background-color: var(--x-bg-sticky);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--x-border);
}

.tut-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid var(--x-border);
  background: transparent;
  color: var(--x-text-primary);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.tut-back-btn:hover {
  background-color: var(--x-bg-hover);
}

.tut-detail-backbar-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--x-text-secondary);
}

.tut-detail-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px 18px 36px;
}

/* 1. Title + Outcome */
.tut-detail-header {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tut-detail-agent-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tut-detail-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
  flex-shrink: 0;
}

.tut-detail-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tut-detail-agent-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.tut-detail-agent-name-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.tut-detail-agent-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--x-text-primary);
}

.tut-detail-agent-sub {
  font-size: 12px;
  color: var(--x-text-secondary);
}

.tut-detail-title {
  margin: 2px 0 0;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -0.015em;
  color: var(--x-text-primary);
}

.tut-detail-outcome {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.48;
  color: var(--x-text-secondary);
}

/* 2. Video Player (Plays inside the tutorial page ONLY) */
.tut-video-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 280px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--x-border);
  background: #0b131e;
  cursor: pointer;
  user-select: none;
}

.tut-video-canvas {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.tut-video-overlay-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.tut-video-player.playing .tut-video-overlay-center {
  opacity: 0;
}

.tut-video-play-circle {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(15, 20, 25, 0.78);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.tut-video-top-pill {
  position: absolute;
  top: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.62);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.tut-video-rec-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #f97316;
}

.tut-video-controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0));
  color: #ffffff;
}

.tut-video-ctrl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
}

.tut-video-scrubber {
  flex: 1;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.25);
  overflow: hidden;
  cursor: pointer;
}

.tut-video-scrubber-fill {
  height: 100%;
  background: #f97316;
  border-radius: 999px;
}

.tut-video-timer {
  font-size: 11.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.9);
}

/* 3. Download Card (fileLabel + fileUrl) */
.tut-download-card {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  border-radius: 12px;
  border: 1px solid var(--x-border-strong);
  background-color: var(--x-bg-card);
  color: var(--x-text-primary);
  text-align: left;
  cursor: pointer;
  transition: transform 0.14s ease, border-color 0.14s ease;
}

.tut-download-card:hover {
  border-color: var(--x-accent-blue);
  transform: translateY(-1px);
}

.tut-download-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--x-accent-blue-bg);
  color: var(--x-accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tut-download-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tut-download-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--x-text-primary);
}

.tut-download-sub {
  font-size: 12px;
  color: var(--x-text-secondary);
}

.tut-download-cta {
  padding: 6px 11px;
  border-radius: 8px;
  background: var(--x-text-primary);
  color: var(--x-bg-primary);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

/* 4. Intro */
.tut-intro-section {
  padding: 14px 16px;
  border-left: 3px solid var(--x-accent-blue);
  background-color: var(--x-bg-card);
  border-radius: 0 10px 10px 0;
}

.tut-intro-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.58;
  color: var(--x-text-primary);
}

/* 5. Numbered Steps (4-6 items) */
.tut-section-heading {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--x-text-primary);
}

.tut-steps-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tut-step-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 15px;
  border-radius: 12px;
  border: 1px solid var(--x-border);
  background-color: var(--x-bg-card);
}

.tut-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--x-text-primary);
  color: var(--x-bg-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}

.tut-step-content-col {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.tut-step-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--x-text-primary);
}

.tut-step-body {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.52;
  color: var(--x-text-secondary);
}

.tut-step-tip {
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(249, 115, 22, 0.12);
  color: var(--x-text-primary);
  font-size: 12.5px;
  font-weight: 600;
}

.tut-step-tip-badge {
  padding: 1px 6px;
  border-radius: 4px;
  background: #f97316;
  color: #ffffff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

/* 6. Mistakes Box ("Mistakes Everybody Makes") */
.tut-mistakes-box {
  padding: 15px 16px;
  border-radius: 12px;
  border: 1px solid rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.07);
}

.tut-mistakes-header {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #dc2626;
  margin-bottom: 10px;
}

[data-theme="dark"] .tut-mistakes-header {
  color: #f87171;
}

.tut-mistakes-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
}

.tut-mistakes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tut-mistake-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--x-text-primary);
}

.tut-mistake-x {
  color: #ef4444;
  font-weight: 800;
  flex-shrink: 0;
}

/* 7. Tickable Checklist (Saved in Browser) */
.tut-checklist-box {
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--x-border);
  background-color: var(--x-bg-card);
}

.tut-checklist-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.tut-checklist-title {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  color: var(--x-text-primary);
}

.tut-checklist-sub {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--x-text-secondary);
}

.tut-checklist-counter {
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--x-accent-green-bg);
  color: var(--x-accent-green);
  font-size: 11.5px;
  font-weight: 800;
  white-space: nowrap;
}

.tut-checklist-progress-track {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--x-border);
  overflow: hidden;
  margin-bottom: 12px;
}

.tut-checklist-progress-fill {
  height: 100%;
  background: var(--x-accent-green);
  border-radius: 999px;
  transition: width 0.2s ease;
}

.tut-checklist-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tut-check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: 9px;
  border: 1px solid var(--x-border);
  background: var(--x-bg-primary);
  cursor: pointer;
  user-select: none;
  transition: border-color 0.15s ease;
}

.tut-check-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.tut-check-box-ui {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 1.5px solid var(--x-border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: transparent;
  flex-shrink: 0;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.tut-check-row.checked .tut-check-box-ui {
  background: var(--x-accent-green);
  border-color: var(--x-accent-green);
  color: #ffffff;
}

.tut-check-label {
  font-size: 13.5px;
  color: var(--x-text-primary);
  line-height: 1.4;
}

.tut-check-row.checked .tut-check-label {
  text-decoration: line-through;
  color: var(--x-text-secondary);
}

/* 8. Exercise & 9. Next Teaser */
.tut-exercise-box,
.tut-next-teaser {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--x-border);
  background-color: var(--x-bg-card);
}

.tut-exercise-eyebrow,
.tut-next-eyebrow {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--x-accent-blue);
  margin-bottom: 4px;
}

.tut-exercise-text,
.tut-next-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--x-text-primary);
  font-weight: 600;
}

/* 10. Service Card ("Rent an Agent" Tie-In) */
.tut-service-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid var(--x-border-strong);
  background: var(--x-bg-card);
}

.tut-service-info {
  flex: 1;
  min-width: 200px;
}

.tut-service-eyebrow {
  display: block;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--x-text-secondary);
  margin-bottom: 3px;
}

.tut-service-label {
  margin: 0;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--x-text-primary);
}

.tut-service-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 15px;
  border-radius: 999px;
  background: var(--x-text-primary);
  color: var(--x-bg-primary);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.tut-service-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

@media (max-width: 520px) {
  .tut-card {
    padding: 14px 14px;
    gap: 12px;
  }

  .tut-card-thumb {
    width: 98px;
    height: 72px;
  }

  .tut-card-body {
    padding-right: 36px;
  }

  .tut-card-title {
    font-size: 14px;
  }

  .tut-card-summary {
    font-size: 12.8px;
  }
}