/* ==========================================================================
   KHOHINH4K - MONA MEDIA THEME CLONE
   Typography, Responsive Grid, Components & Animations
   ========================================================================== */

:root {
  --primary-orange: #f69631;
  --primary-orange-hover: #e08323;
  --dark-bg: #141414;
  --header-bg: #ffffff;
  --sub-header-bg: #1c1d1f;
  --text-dark: #222222;
  --text-muted: #767676;
  --text-light: #999999;
  --border-color: #ebebeb;
  --card-bg: #ffffff;
  --site-bg: #f7f8fa;
  --font-main: 'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Raleway', 'Roboto', sans-serif;
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.09);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --container-max-width: 1200px;
}

/* Global Resets */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 14px;
}

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background-color: var(--site-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

button,
input {
  font-family: inherit;
  outline: none;
  border: none;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 15px;
}

/* ==========================================================================
   HEADER SECTION
   ========================================================================== */

/* Top header row: Logo + Main Categories + Search + Social */
.site-header {
  background: var(--header-bg);
  position: relative;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.top-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}

.header-brand {
  flex-shrink: 0;
}

.brand-logo {
  height: 52px;
  display: block;
  object-fit: contain;
}

/* Search and Social block */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-search-form {
  position: relative;
  display: flex;
  align-items: center;
}

.header-search-input {
  width: 220px;
  padding: 8px 36px 8px 16px;
  font-size: 13px;
  border-radius: var(--radius-pill);
  border: 1px solid #d0d0d0;
  background-color: #ffffff;
  color: #333333;
  transition: var(--transition);
}

.header-search-input:focus {
  width: 270px;
  border-color: var(--primary-orange);
  box-shadow: 0 0 0 3px rgba(246, 150, 49, 0.15);
}

.header-search-btn {
  position: absolute;
  right: 4px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary-orange);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.header-search-btn:hover {
  background: var(--primary-orange-hover);
  transform: scale(1.05);
}

.header-socials {
  display: flex;
  align-items: center;
  gap: 8px;
}

.social-pill {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: rgba(246, 150, 49, 0.1);
  color: var(--primary-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}

.social-pill:hover {
  background: var(--primary-orange);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Secondary Sub-nav Bar (Dark / Neutral) - REMOVED */
.sub-header-bar {
  display: none !important;
}

/* Floating Call Button - REMOVED */
.floating-call-btn {
  display: none !important;
}

/* Primary Orange Navigation Bar */
.primary-nav-bar {
  background-color: var(--primary-orange);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 999;
  transition: transform 0.3s ease, background 0.3s ease;
}

.primary-nav-bar.is-sticky {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.primary-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.main-category-menu {
  display: flex;
  align-items: center;
}

.main-category-menu>li>a {
  display: block;
  padding: 13px 20px;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  transition: var(--transition);
}

.main-category-menu>li>a:hover,
.main-category-menu>li.active>a {
  background-color: rgba(0, 0, 0, 0.14);
  color: #ffffff;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  padding: 10px;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION - BIG GRID (TAGDIV STYLE 3)
   ========================================================================== */

.hero-section {
  padding: 24px 0 16px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 235px 235px;
  gap: 6px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* Left big tile spans 2 rows */
.hero-tile {
  position: relative;
  overflow: hidden;
  background-color: #222;
  cursor: pointer;
}

.hero-tile.tile-large {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}

.hero-tile.tile-wide {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.hero-tile-subgrid {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.hero-tile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.hero-tile:hover .hero-tile-img {
  transform: scale(1.05);
}

.hero-tile-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0.4) 45%, rgba(0, 0, 0, 0.88) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  color: #ffffff;
  transition: var(--transition);
}

.hero-tile.tile-small .hero-tile-overlay {
  padding: 14px;
}

.hero-cat-tag {
  align-self: flex-start;
  background: var(--primary-orange);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 3px 8px;
  border-radius: 2px;
  margin-bottom: 8px;
}

.hero-title {
  color: #ffffff;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 8px;
  transition: var(--transition);
}

.hero-tile.tile-wide .hero-title {
  font-size: 16px;
}

.hero-tile.tile-small .hero-title {
  font-size: 13.5px;
  line-height: 1.35;
}

.hero-tile:hover .hero-title {
  color: var(--primary-orange);
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  color: #d2d2d2;
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   MAIN TWO-COLUMN LAYOUT
   ========================================================================== */

.content-layout {
  display: grid;
  grid-template-columns: 8fr 4fr;
  gap: 30px;
  margin-top: 15px;
  margin-bottom: 40px;
}

.content-layout-full {
  grid-template-columns: 1fr !important;
}

.content-layout-full .main-column {
  width: 100% !important;
  max-width: 100% !important;
}

.content-layout-full .stream-card {
  grid-template-columns: 280px 1fr !important;
  gap: 26px !important;
}

.main-column {
  min-width: 0;
}

.sidebar-column {
  min-width: 0;
}

/* Block Section Header */
.section-header {
  position: relative;
  margin-bottom: 22px;
  border-bottom: 2px solid #222222;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  background-color: #222222;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 14px;
  background-color: var(--primary-orange);
  display: inline-block;
}

/* Sub-category Filter Tabs */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-tab-btn {
  background: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 3px;
  transition: var(--transition);
}

.filter-tab-btn:hover,
.filter-tab-btn.active {
  color: var(--primary-orange);
  font-weight: 700;
}

/* ==========================================================================
   SECTION 1: TIN TỨC (NEWS BLOCK)
   ========================================================================== */

.tintuc-block {
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 30px;
}

.tintuc-grid {
  display: grid;
  grid-template-columns: 4.8fr 7.2fr;
  gap: 30px;
  align-items: start;
}

@media (max-width: 991px) {
  .tintuc-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* Featured Large News Article */
.tintuc-featured {
  display: flex;
  flex-direction: column;
}

.tintuc-featured-thumb {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  aspect-ratio: 16 / 9.5;
  background-color: #eee;
}

.tintuc-featured-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.tintuc-featured:hover .tintuc-featured-thumb img {
  transform: scale(1.05);
}

.post-cat-badge {
  display: inline-block;
  background: var(--primary-orange);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 2px;
  margin-top: 14px;
  margin-bottom: 6px;
  align-self: flex-start;
}

.tintuc-featured-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.tintuc-featured:hover .tintuc-featured-title {
  color: var(--primary-orange);
}

.post-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11.5px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.post-meta-row i {
  color: var(--primary-orange);
}

.tintuc-featured-excerpt {
  font-size: 13px;
  color: #555555;
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.btn-read-more {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  color: #222;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-bottom: 2px solid var(--primary-orange);
  padding-bottom: 2px;
  transition: var(--transition);
}

.btn-read-more:hover {
  color: var(--primary-orange);
  gap: 8px;
}

/* Secondary Compact List */
.tintuc-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 20px;
}

@media (max-width: 576px) {
  .tintuc-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.tintuc-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 12px;
  border-bottom: 1px dashed #e8e8e8;
}

.tintuc-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.tintuc-item-thumb {
  width: 95px;
  height: 68px;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: #eee;
}

.tintuc-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.tintuc-item:hover .tintuc-item-thumb img {
  transform: scale(1.08);
}

.tintuc-item-info {
  flex: 1;
  min-width: 0;
}

.tintuc-item-title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  color: #333333;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}

.tintuc-item:hover .tintuc-item-title {
  color: var(--primary-orange);
}

.tintuc-item-date {
  font-size: 11px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   SECTION 2: TẤT CẢ BÀI VIẾT (ALL ARTICLES STREAM)
   ========================================================================== */

.all-articles-block {
  background: var(--card-bg);
  padding: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.articles-stream {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stream-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  transition: transform 0.2s ease;
}

.stream-card:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.stream-thumb-wrap {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 16 / 10.5;
  background-color: #eee;
}

.stream-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.stream-card:hover .stream-thumb-wrap img {
  transform: scale(1.06);
}

.stream-content {
  display: flex;
  flex-direction: column;
}

.stream-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.38;
  color: #222222;
  margin-top: 4px;
  margin-bottom: 8px;
  transition: var(--transition);
}

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

.stream-excerpt {
  font-size: 13.5px;
  color: #666666;
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Pagination Bar */
.pagination-wrap {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
  margin-top: 36px !important;
  padding-top: 24px !important;
  border-top: 1px solid var(--border-color, #ebebeb) !important;
}

.page-btn,
.pagination-wrap .page-numbers {
  min-width: 38px;
  width: auto;
  height: 38px;
  padding: 0 10px;
  border-radius: 4px;
  background-color: #f1f2f4;
  color: #444444 !important;
  font-weight: 700;
  font-size: 13.5px;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  white-space: nowrap !important;
  text-decoration: none !important;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-sizing: border-box;
  border: 1px solid transparent;
  line-height: 1;
}

.page-btn.active,
.page-btn.current,
.pagination-wrap .page-numbers.current,
.page-btn:hover,
.pagination-wrap .page-numbers:hover {
  background-color: var(--primary-orange, #f47920) !important;
  color: #ffffff !important;
  border-color: var(--primary-orange, #f47920) !important;
  box-shadow: 0 2px 8px rgba(244, 121, 32, 0.25);
}

.page-btn.dots,
.pagination-wrap .page-numbers.dots {
  background: transparent !important;
  cursor: default !important;
  border-color: transparent !important;
  color: #888888 !important;
  box-shadow: none !important;
}

.page-btn.prev,
.page-btn.next,
.page-btn-next,
.page-btn-prev,
.pagination-wrap .page-numbers.prev,
.pagination-wrap .page-numbers.next {
  width: auto !important;
  min-width: fit-content !important;
  padding: 0 16px !important;
  gap: 8px !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  white-space: nowrap !important;
}

.page-btn.prev i,
.page-btn.next i,
.page-btn-next i,
.page-btn-prev i,
.pagination-wrap .page-numbers.prev i,
.pagination-wrap .page-numbers.next i {
  font-size: 11px;
  display: inline-block;
  vertical-align: middle;
}

/* ==========================================================================
   SIDEBAR WIDGETS
   ========================================================================== */

.sidebar-widget {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  padding: 20px;
  margin-bottom: 26px;
}

/* Video Player Widget */
.video-player-container {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #000;
  margin-bottom: 12px;
  aspect-ratio: 16 / 9;
}

.video-player-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.video-featured-caption {
  font-size: 13.5px;
  font-weight: 700;
  color: #222;
  line-height: 1.4;
  margin-bottom: 10px;
}

.video-playlist {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid #eee;
  padding-top: 10px;
}

.video-playlist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.video-playlist-item:hover,
.video-playlist-item.active {
  background: #f7f7f7;
}

.video-playlist-thumb {
  width: 70px;
  height: 44px;
  position: relative;
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.video-playlist-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-duration {
  position: absolute;
  bottom: 2px;
  right: 2px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 9px;
  font-weight: 600;
  padding: 1px 4px;
  border-radius: 2px;
}

.video-playlist-title {
  font-size: 12px;
  font-weight: 600;
  color: #333;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Banner Ad Widget */
.banner-ad-box {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 26px;
}

.banner-ad-box img {
  width: 100%;
  display: block;
}

.banner-ad-overlay {
  position: absolute;
  bottom: 16px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
}

.banner-hotline-btn {
  background: linear-gradient(135deg, #f69631 0%, #e07412 100%);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 15px rgba(246, 150, 49, 0.45);
  transition: var(--transition);
}

.banner-hotline-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(246, 150, 49, 0.6);
  color: #ffffff;
}

/* Sidebar Post List Items */
.sidebar-post-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-post-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}

.sidebar-post-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-post-thumb {
  width: 80px;
  height: 58px;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
  background-color: #eee;
}

.sidebar-post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.sidebar-post-item:hover .sidebar-post-thumb img {
  transform: scale(1.08);
}

.sidebar-post-info {
  flex: 1;
  min-width: 0;
}

.sidebar-post-title {
  font-size: 12.5px;
  font-weight: 600;
  color: #222;
  line-height: 1.35;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}

.sidebar-post-item:hover .sidebar-post-title {
  color: var(--primary-orange);
}

.sidebar-post-date {
  font-size: 11px;
  color: #999;
}

/* Review Stars in Sidebar */
.review-rating-bar {
  display: flex;
  align-items: center;
  gap: 2px;
  color: #f1c40f;
  font-size: 10px;
  margin-bottom: 2px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background-color: #161616;
  color: #b5b5b5;
  padding: 50px 0 20px;
  border-top: 4px solid var(--primary-orange);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-widget-title {
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-widget-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background-color: var(--primary-orange);
}

.footer-logo {
  height: 48px;
  width: 48px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 0;
  display: block;
  filter: none !important;
}

.footer-about-text {
  font-size: 13px;
  line-height: 1.7;
  color: #9e9e9e;
  margin-bottom: 18px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact-list i {
  color: var(--primary-orange);
}

/* Footer Category Links */
.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list li a {
  color: #a8a8a8;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.footer-links-list li a:hover {
  color: var(--primary-orange);
  padding-left: 5px;
}

/* Footer Newsletter */
.footer-newsletter-text {
  font-size: 13px;
  color: #9e9e9e;
  line-height: 1.6;
  margin-bottom: 15px;
}

.newsletter-form {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}

.newsletter-input {
  flex: 1;
  padding: 10px 14px;
  font-size: 13px;
  border-radius: var(--radius-sm);
  background-color: #242424;
  color: #fff;
  border: 1px solid #333;
}

.newsletter-input:focus {
  border-color: var(--primary-orange);
}

.newsletter-btn {
  background-color: var(--primary-orange);
  color: #fff;
  padding: 0 16px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

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

.footer-social-row {
  display: flex;
  gap: 8px;
}

.footer-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #272727;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}

.footer-social-btn:hover {
  background: var(--primary-orange);
  transform: translateY(-2px);
}

/* Copyright Bar */
.copyright-bar {
  border-top: 1px solid #252525;
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: #777;
}

.copyright-bar a {
  color: var(--primary-orange);
}

/* ==========================================================================
   FLOATING ELEMENTS & PULSE BUTTON (MONA MEDIA SIGNATURE)
   ========================================================================== */

/* Mona Floating Call Button (Bottom-Left) */
.floating-call-btn {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 9999;
  display: flex;
  align-items: center;
}

.call-pulse-wrap {
  position: relative;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #f69631;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(246, 150, 49, 0.4);
  cursor: pointer;
  color: #fff;
  font-size: 24px;
  animation: phoneRing 1.5s infinite;
}

.call-pulse-wrap::before,
.call-pulse-wrap::after {
  content: '';
  position: absolute;
  inset: -8px;
  border: 2px solid #f69631;
  border-radius: 50%;
  animation: pulseRipple 2s infinite linear;
  opacity: 0.6;
}

.call-pulse-wrap::after {
  inset: -16px;
  animation-delay: 0.6s;
  opacity: 0.3;
}

.call-label-pill {
  position: absolute;
  left: 68px;
  background: #ffffff;
  color: #f69631;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 800;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  letter-spacing: 0.4px;
}

@keyframes phoneRing {
  0% {
    transform: rotate(0) scale(1);
  }

  10% {
    transform: rotate(-15deg) scale(1.05);
  }

  20% {
    transform: rotate(15deg) scale(1.05);
  }

  30% {
    transform: rotate(-15deg) scale(1.05);
  }

  40% {
    transform: rotate(15deg) scale(1.05);
  }

  50% {
    transform: rotate(0) scale(1);
  }

  100% {
    transform: rotate(0) scale(1);
  }
}

@keyframes pulseRipple {
  0% {
    transform: scale(0.9);
    opacity: 0.8;
  }

  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

/* Floating Back to Top Button (Bottom-Right) */
.btn-back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 6px;
  background-color: #222222;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 9998;
}

.btn-back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.btn-back-to-top:hover {
  background-color: var(--primary-orange);
  transform: translateY(-4px);
}

/* ==========================================================================
   INTERACTIVE ARTICLE MODAL READER
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: #ffffff;
  width: 100%;
  max-width: 780px;
  max-height: 85vh;
  border-radius: var(--radius-md);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  padding: 30px;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: #888;
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: var(--primary-orange);
}

.modal-hero-img {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 12px;
  color: #111;
}

.modal-body-content {
  font-size: 14.5px;
  line-height: 1.8;
  color: #444;
}

/* ==========================================================================
   MOBILE DRAWER NAVIGATION
   ========================================================================== */

.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 10001;
  visibility: hidden;
  transition: visibility 0.3s ease;
}

.mobile-drawer.active {
  visibility: visible;
}

.mobile-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-drawer.active .mobile-drawer-backdrop {
  opacity: 1;
}

.mobile-drawer-panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 290px;
  background: #18191b;
  color: #fff;
  padding: 24px 20px;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
}

.mobile-drawer.active .mobile-drawer-panel {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid #2d2e32;
}

.mobile-drawer-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-list a {
  display: block;
  padding: 10px 12px;
  color: #ddd;
  font-weight: 700;
  font-size: 13.5px;
  border-radius: 4px;
}

.mobile-nav-list a:hover {
  background: #25262a;
  color: var(--primary-orange);
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS
   ========================================================================== */

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

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

@media (max-width: 768px) {
  .sub-header-bar {
    display: none;
  }

  .top-header-row {
    padding: 10px 0;
  }

  .header-actions {
    display: none;
  }

  .main-category-menu {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .hero-tile.tile-large {
    grid-column: 1 / 2;
    grid-row: auto;
    height: 280px;
  }

  .hero-tile.tile-wide {
    grid-column: 1 / 2;
    grid-row: auto;
    height: 200px;
  }

  .hero-tile-subgrid {
    grid-column: 1 / 2;
    grid-row: auto;
    height: 180px;
  }

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

  .stream-card {
    grid-template-columns: 1fr;
  }

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

  .floating-call-btn .call-label-pill {
    display: none;
  }
}


/* ==========================================================================
   SIDEBAR: BÀI VIẾT CÙNG CHUYÊN MỤC (IMAGE 2 STYLE)
   ========================================================================== */

.same-cat-list {
  display: flex;
  flex-direction: column;
}

.same-cat-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid #eeeeee;
}

.same-cat-item:first-child {
  padding-top: 4px;
}

.same-cat-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.same-cat-thumb {
  width: 78px;
  height: 78px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  background-color: #f4f4f4;
}

.same-cat-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.same-cat-item:hover .same-cat-thumb img {
  transform: scale(1.08);
}

.same-cat-info {
  flex: 1;
  min-width: 0;
}

.same-cat-title {
  font-size: 13.5px;
  font-weight: 600;
  color: #222222;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

.same-cat-item:hover .same-cat-title {
  color: var(--primary-orange);
}

/* ==========================================================================
   SINGLE POST: HEADER & SOCIAL SHARE BAR (BEAUTIFIED & SPACED OUT)
   ========================================================================== */

.single-post-header {
  margin-bottom: 20px;
}

.single-post-title {
  font-family: var(--font-heading);
  font-size: 29px;
  font-weight: 800;
  line-height: 1.38;
  color: #111111;
  margin-top: 14px;
  margin-bottom: 18px;
  letter-spacing: -0.2px;
}

.single-post-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: #777777;
  padding-bottom: 18px;
  border-bottom: 1px solid #f0f0f0;
  flex-wrap: wrap;
}

.single-post-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.single-post-meta i {
  color: var(--primary-orange);
}

.single-post-meta strong {
  color: #333333;
}

/* Social Share Bar Container */
.social-share-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 24px 0 32px;
  padding: 14px 20px;
  background-color: #f9fafd;
  border: 1px solid #e8ecf2;
  border-radius: 8px;
  flex-wrap: wrap;
}

.share-label {
  font-size: 12.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #444444;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 4px;
}

.share-label i {
  color: var(--primary-orange);
  font-size: 15px;
}

.share-buttons-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  font-size: 12.5px;
  font-weight: 700;
  color: #ffffff !important;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.share-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
  color: #ffffff !important;
  filter: brightness(1.08);
}

.share-btn i {
  font-size: 14px;
}

.share-btn-fb {
  background: #1877f2;
}

.share-btn-tw {
  background: #000000;
}

.share-btn-pin {
  background: #e60023;
}

.share-btn-tg {
  background: #24a1de;
}

/* Article Body Typography Spacing */
.single-post-content {
  font-size: 15.5px;
  line-height: 1.85;
  color: #333333;
  margin-top: 15px;
}

.single-post-content p {
  margin-bottom: 20px;
}

.single-post-content img {
  border-radius: 8px;
  margin: 24px 0;
  max-width: 100%;
  height: auto;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
}


/* ==========================================================================
   EXACT REFERENCE SAMPLE: SINGLE POST SHARE ICONS & SPACING
   ========================================================================== */
.single-post-header {
  margin-bottom: 12px;
}

.single-post-header .post-cat-badge {
  display: inline-block;
  background-color: var(--primary-orange, #f47920);
  color: #ffffff !important;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
  margin-bottom: 12px;
  text-decoration: none;
}

.single-post-title {
  font-family: var(--font-heading, 'Roboto', sans-serif);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.35;
  color: #111111;
  margin: 0 0 10px 0;
}

.single-post-meta {
  font-size: 12.5px;
  color: #777777;
  margin-bottom: 16px;
  line-height: 1.5;
}

.single-post-meta strong {
  color: #222222;
  font-weight: 700;
}

.single-share-icons-bar {
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  margin-top: 14px !important;
  margin-bottom: 28px !important;
  /* Giãn cách thoáng đãng với đoạn mở đầu bài */
  padding: 0 !important;
  border: none !important;
  background: transparent !important;
}

.share-icon-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 34px !important;
  height: 32px !important;
  border-radius: 2px !important;
  color: #ffffff !important;
  font-size: 14px !important;
  text-decoration: none !important;
  transition: opacity 0.2s ease, transform 0.2s ease !important;
}

.share-icon-btn:hover {
  opacity: 0.88 !important;
  transform: translateY(-1px) !important;
  color: #ffffff !important;
}

.share-icon-fb {
  background-color: #3b5998 !important;
}

.share-icon-tw {
  background-color: #00acee !important;
}

.share-icon-gp {
  background-color: #e02f2f !important;
}

.share-icon-pin {
  background-color: #cb2027 !important;
}

.single-post-content {
  font-size: 15.5px;
  line-height: 1.85;
  color: #333333;
  margin-top: 25px !important;
}

.single-post-content p {
  margin-bottom: 20px;
  line-height: 1.85;
}


/* Single Post Meta author spacing and link */
.single-post-meta {
  display: block !important;
  font-size: 11.5px !important;
  color: #777777 !important;
  margin-top: 5px !important;
  margin-bottom: 14px !important;
  line-height: 1.5 !important;
}

.single-post-meta .post-author-link {
  color: #222222 !important;
  font-weight: 700 !important;
  text-decoration: none !important;
  transition: color 0.2s ease !important;
}

.single-post-meta .post-author-link:hover {
  color: var(--primary-orange, #f47920) !important;
  text-decoration: underline !important;
}

/* Post Tags Redesign */
.post-tags-container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 32px 0 24px;
  padding-top: 20px;
  border-top: 1px dashed #e5e7eb;
}

.post-tags-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: #4b5563;
  letter-spacing: 0.5px;
  margin-right: 4px;
  text-transform: uppercase;
}

.post-tags-badge i {
  color: var(--primary-orange, #f47920);
  font-size: 13px;
}

.post-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #f3f4f6;
  color: #374151 !important;
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid #e5e7eb;
  text-decoration: none !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-tag-pill .tag-hash {
  color: var(--primary-orange, #f47920);
  font-weight: 700;
  font-size: 13px;
}

.post-tag-pill:hover {
  background: var(--primary-orange, #f47920);
  color: #ffffff !important;
  border-color: var(--primary-orange, #f47920);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(244, 121, 32, 0.25);
}

.post-tag-pill:hover .tag-hash {
  color: #ffffff;
}

/* Author Box Redesign */
.author-bio-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: #fafbfc;
  border: 1px solid #e5e7eb;
  border-left: 4px solid var(--primary-orange, #f47920);
  border-radius: 8px;
  padding: 22px 24px;
  margin-top: 28px;
  margin-bottom: 35px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.author-bio-avatar-wrap {
  flex-shrink: 0;
}

.author-bio-avatar-wrap img,
.author-avatar-img {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  display: block;
  background-color: #e5e7eb;
}

.author-avatar-fallback {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f47920, #e05e0c);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 2px 6px rgba(244, 121, 32, 0.3);
}

.author-bio-content {
  flex: 1;
  min-width: 0;
}

.author-role-badge {
  display: inline-block;
  background: rgba(244, 121, 32, 0.12);
  color: var(--primary-orange, #f47920);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 6px;
}

.author-name {
  font-size: 17px;
  font-weight: 800;
  color: #111827;
  margin: 0 0 8px 0;
  line-height: 1.3;
}

.author-name a {
  color: #111827 !important;
  text-decoration: none !important;
  transition: color 0.2s ease;
}

.author-name a:hover {
  color: var(--primary-orange, #f47920) !important;
}

.author-bio-desc {
  font-size: 13.5px;
  color: #4b5563;
  line-height: 1.65;
  margin: 0 0 12px 0;
}

.author-more-posts-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--primary-orange, #f47920) !important;
  text-decoration: none !important;
  transition: gap 0.2s ease, opacity 0.2s ease;
}

.author-more-posts-link:hover {
  opacity: 0.85;
  gap: 9px;
}

@media (max-width: 640px) {
  .author-bio-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 16px;
  }

  .author-role-badge {
    margin-bottom: 8px;
  }

  .author-more-posts-link {
    justify-content: center;
  }
}

/* Post Content Images & Caption Replacement Actions Bar */
.single-post-content figure,
.single-post-content .wp-caption,
.single-post-content .wp-block-image {
  margin-top: 0 !important;
  margin-bottom: 22px !important;
  margin-left: auto !important;
  margin-right: auto !important;
  text-align: center !important;
  max-width: 100% !important;
}

.single-post-content figure img,
.single-post-content .wp-caption img,
.single-post-content img {
  border-radius: 6px;
  height: auto;
  max-width: 100%;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
  display: block;
  margin: 0 auto;
}

/* Hide legacy plain text captions until replaced */
.single-post-content figcaption.wp-element-caption,
.single-post-content figcaption:not(:has(.kho-img-action-bar)),
.single-post-content .wp-caption-text:not(:has(.kho-img-action-bar)) {
  font-size: 0 !important;
  line-height: 0 !important;
  color: transparent !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* Modern Unified Floating Action Bar */
.kho-img-action-bar {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  margin: 8px auto 0 !important;
  padding: 5px 8px !important;
  background: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 999px !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05) !important;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
  font-family: inherit !important;
}

.kho-img-action-bar:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.09) !important;
  border-color: #cbd5e1 !important;
  transform: translateY(-1px);
}

/* 1. Download Button (Gradient Orange Primary CTA) */
.kho-img-btn-download {
  background: linear-gradient(135deg, #f47920 0%, #e05e0c 100%) !important;
  color: #ffffff !important;
  border: none !important;
  border-radius: 999px !important;
  padding: 6px 15px !important;
  font-size: 12.5px !important;
  font-weight: 700 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  cursor: pointer !important;
  text-decoration: none !important;
  line-height: 1.2 !important;
  box-shadow: 0 2px 8px rgba(244, 121, 32, 0.28) !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.kho-img-btn-download:hover {
  filter: brightness(1.08) !important;
  box-shadow: 0 4px 14px rgba(244, 121, 32, 0.42) !important;
  transform: translateY(-1px);
}

.kho-img-btn-download:active {
  transform: translateY(0);
}

/* Divider */
.kho-img-action-divider {
  display: inline-block !important;
  width: 1px !important;
  height: 18px !important;
  background: #e2e8f0 !important;
  margin: 0 2px !important;
}

/* 2. Like Button */
.kho-img-btn-like {
  background: #f8fafc !important;
  color: #475569 !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 999px !important;
  padding: 6px 12px !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
  cursor: pointer !important;
  text-decoration: none !important;
  line-height: 1.2 !important;
  transition: all 0.2s ease !important;
}

.kho-img-btn-like:hover {
  background: #eff6ff !important;
  color: #2563eb !important;
  border-color: #bfdbfe !important;
}

.kho-img-btn-like.is-active {
  background: #eff6ff !important;
  color: #2563eb !important;
  border-color: #93c5fd !important;
}

.kho-img-btn-like.is-active i {
  animation: khoPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 3. Heart Button */
.kho-img-btn-heart {
  background: #f8fafc !important;
  color: #475569 !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 999px !important;
  padding: 6px 12px !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
  cursor: pointer !important;
  text-decoration: none !important;
  line-height: 1.2 !important;
  transition: all 0.2s ease !important;
}

.kho-img-btn-heart:hover {
  background: #fff1f2 !important;
  color: #e11d48 !important;
  border-color: #fecdd3 !important;
}

.kho-img-btn-heart.is-active {
  background: #fff1f2 !important;
  color: #e11d48 !important;
  border-color: #fda4af !important;
}

.kho-img-btn-heart.is-active i {
  animation: khoHeartBeat 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes khoPop {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.35) rotate(-10deg);
  }

  100% {
    transform: scale(1) rotate(0);
  }
}

@keyframes khoHeartBeat {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.4);
  }

  100% {
    transform: scale(1);
  }
}

  /* 4-Column Grid for Related Posts (4 bài 1 hàng) */
  .related-posts-grid-4,
  .related-posts-grid {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 14px !important;
  }
  .rel-post-card-4,
  .related-post-card {
    background: #ffffff !important;
    border: 1px solid #e8ecf2 !important;
    border-radius: 6px !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    text-decoration: none !important;
    transition: all 0.25s ease !important;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03) !important;
  }
  .rel-post-card-4:hover,
  .related-post-card:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1) !important;
    border-color: #cbd5e1 !important;
  }
  .rel-post-thumb-4,
  .related-post-thumb {
    width: 100% !important;
    aspect-ratio: 16 / 10 !important;
    overflow: hidden !important;
    background-color: #f1f5f9 !important;
    position: relative !important;
  }
  .rel-post-thumb-4 img,
  .related-post-thumb img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    transition: transform 0.35s ease !important;
    display: block !important;
  }
  .rel-post-card-4:hover .rel-post-thumb-4 img,
  .related-post-card:hover .related-post-thumb img {
    transform: scale(1.08) !important;
  }
  .rel-post-body-4 {
    padding: 10px 10px 12px !important;
    display: flex !important;
    flex-direction: column !important;
    flex-grow: 1 !important;
  }
  .rel-post-title-4,
  .related-post-title {
    font-size: 12.5px !important;
    font-weight: 700 !important;
    line-height: 1.4 !important;
    color: #1e293b !important;
    margin: 0 0 6px 0 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
    transition: color 0.2s ease !important;
  }
  .rel-post-card-4:hover .rel-post-title-4,
  .related-post-card:hover .related-post-title,
  .related-post-title a:hover {
    color: var(--primary-orange, #f47920) !important;
  }
  .rel-post-date-4 {
    font-size: 11px !important;
    color: #888888 !important;
    margin-top: auto !important;
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
  }
  .rel-post-date-4 i {
    color: var(--primary-orange, #f47920) !important;
  }
  @media (max-width: 820px) {
    .related-posts-grid-4,
    .related-posts-grid {
      grid-template-columns: repeat(2, 1fr) !important;
    }
  }
  @media (max-width: 480px) {
    .related-posts-grid-4,
    .related-posts-grid {
      grid-template-columns: 1fr !important;
    }
  }


/* ==========================================================================
   MOBILE OPTIMIZATION FOR "TẤT CẢ BÀI VIẾT" (<= 768px)
   ========================================================================== */
@media (max-width: 768px) {
  /* 1. Container & Block Spacing */
  .all-articles-block {
    padding: 16px 12px !important;
    border-radius: 6px !important;
  }

  /* 2. Section Header & Category Tabs */
  .all-articles-block .section-header {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
    border-bottom: 2px solid #222222 !important;
    padding-bottom: 8px !important;
    margin-bottom: 18px !important;
  }

  .all-articles-block .section-title {
    white-space: nowrap !important;
    font-size: 13.5px !important;
    padding: 6px 14px !important;
    margin: 0 !important;
  }

  /* Swipeable horizontal category tabs on mobile */
  .all-articles-block .filter-tabs {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    width: 100% !important;
    gap: 8px !important;
    padding-bottom: 6px !important;
    margin: 0 !important;
    scrollbar-width: none !important;
  }

  .all-articles-block .filter-tabs::-webkit-scrollbar {
    display: none !important;
  }

  .all-articles-block .filter-tab-btn {
    white-space: nowrap !important;
    flex-shrink: 0 !important;
    background: #f1f3f6 !important;
    color: #4b5563 !important;
    padding: 6px 14px !important;
    border-radius: 20px !important;
    font-size: 11.5px !important;
    font-weight: 700 !important;
    border: 1px solid #e5e7eb !important;
    transition: all 0.2s ease !important;
  }

  .all-articles-block .filter-tab-btn.active,
  .all-articles-block .filter-tab-btn:hover {
    background: var(--primary-orange, #f47920) !important;
    color: #ffffff !important;
    border-color: var(--primary-orange, #f47920) !important;
    box-shadow: 0 2px 6px rgba(244, 121, 32, 0.28) !important;
  }

  /* 3. Stream Cards: Full-Width 1-Column Feed on Mobile */
  .content-layout-full .stream-card,
  .stream-card {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    padding-bottom: 22px !important;
    margin-bottom: 22px !important;
    border-bottom: 1px solid #e8ecf2 !important;
  }

  .stream-thumb-wrap {
    width: 100% !important;
    aspect-ratio: 16 / 9.5 !important;
    border-radius: 8px !important;
    overflow: hidden !important;
    background-color: #f1f5f9 !important;
  }

  .stream-thumb-wrap img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
  }

  .stream-content {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .stream-content .post-cat-badge {
    margin-top: 2px !important;
    margin-bottom: 6px !important;
    font-size: 10px !important;
    padding: 2px 7px !important;
    align-self: flex-start !important;
  }

  .stream-title {
    font-size: 16px !important;
    font-weight: 700 !important;
    line-height: 1.42 !important;
    color: #111111 !important;
    margin: 0 0 8px 0 !important;
  }

  .stream-content .post-meta-row {
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
    font-size: 11.5px !important;
    color: #777777 !important;
    margin-bottom: 8px !important;
  }

  .stream-content .post-meta-row span {
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
  }

  .stream-excerpt {
    font-size: 13px !important;
    color: #555555 !important;
    line-height: 1.6 !important;
    margin-bottom: 10px !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
  }

  .btn-read-more {
    font-size: 11.5px !important;
    font-weight: 700 !important;
    align-self: flex-start !important;
  }
}