.video-grid,
.video-grid--related {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  column-gap: 5px;
  row-gap: 12px;
}
.logo,
.pg-btn:hover,
.video-card__link,
a {
  text-decoration: none;
}
*,
::after,
::before {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
:root {
  --bg: #0f0f0f;
  --bg-card: #1a1a1a;
  --bg-card-h: #242424;
  --bg-input: #1e1e1e;
  --border: #343434;
  --text: #efefef;
  --text-muted: #b0b0b0;
  --text-dim: #8a8a8a;
  --accent: #d62839;
  --accent-h: #c1121f;
  --link: #e5e5e5;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
  --transition: 160ms ease;
  --header-h: 70px;
  --nav-h: 40px;
}
html {
  font-size: 15px;
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  max-width: 1140px;
  border: 1px solid #2b2b2b;
  margin: 0 auto;
}
a {
  color: var(--link);
}
.search-form button:hover,
a:hover {
  color: var(--accent);
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 10px;
}
.layout-grid {
  display: block;
  padding-top: 24px;
  padding-bottom: 40px;
}
.main-col {
  min-width: 0;
}
.site-header {
  background: #141414;
  border-bottom: 1px solid var(--border);
  position: static;
}
.site-header > .container {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
}
.logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}
.search-form {
  flex: 1;
  width: 100%;
  max-width: 640px;
  display: flex;
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  background: var(--bg-input);
  min-height: 48px;
}
.search-form input[type="search"] {
  flex: 1;
  background: 0 0;
  border: none;
  padding: 10px 18px;
  color: var(--text);
  font-size: 1rem;
  outline: 0;
  min-width: 0;
}
.search-form input[type="search"]::placeholder {
  color: var(--text-muted);
}
.search-form button {
  background: 0 0;
  border: none;
  padding: 0 18px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}
.breadcrumb a:hover,
.empty-state a,
.section-title em,
.video-card__link:hover .video-title {
  color: var(--accent);
}
.cat-nav {
  background: #141414;
  border-top: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.cat-nav::-webkit-scrollbar {
  display: none;
}
.cat-nav .container {
  padding-top: 0;
  padding-bottom: 0;
}
.cat-nav ul {
  display: flex;
  list-style: none;
  gap: 0;
  white-space: nowrap;
}
.cat-nav ul li a {
  display: block;
  padding: 10px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.cat-nav ul li a.active,
.cat-nav ul li a:hover {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.video-grid {
  display: grid;
  list-style: none;
  padding: 0;
  margin: 0;
}
@media (max-width: 1024px) {
  .video-grid,
  .video-grid--related {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.video-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.video-card__link {
  display: block;
  color: inherit;
}
.video-thumb {
  position: relative;
  display: block;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #111;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms;
}
.video-card:hover .video-thumb img {
  transform: scale(1.04);
}
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  color: rgba(255, 255, 255, 0.85);
  font-size: 2rem;
  opacity: 0;
  transition: opacity var(--transition);
}
.video-card:hover .play-btn {
  opacity: 1;
}
.video-label {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.video-info {
  padding: 10px 12px 12px;
}
.video-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 6px;
  transition: color var(--transition);
}
.video-meta {
  display: flex;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
  align-items: center;
}
.video-meta .icon {
  vertical-align: middle;
}
.time,
.views {
  display: flex;
  align-items: center;
  gap: 4px;
}
.time {
  margin-left: auto;
}
.section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}
.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  border-left: 4px solid var(--accent);
  padding-left: 10px;
  line-height: 1.3;
}
.result-count,
.section-desc,
.video-meta-bar {
  color: var(--text-muted);
}
.section-title em {
  font-style: normal;
}
.section-desc {
  font-size: 0.88rem;
  flex-basis: 100%;
  margin-top: -8px;
}
.pagination,
.related-section {
  margin-top: 36px;
}
.result-count {
  font-size: 0.82rem;
  background: var(--bg-card);
  padding: 2px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-left: auto;
}
.video-single {
  margin-bottom: 32px;
}
.video-main-title {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}
.label-badge,
.tax-label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.video-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: center;
  margin-bottom: 16px;
  font-size: 0.85rem;
}
.video-player-wrap,
.video-taxonomy {
  margin-bottom: 20px;
}
.views-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-card);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.video-date {
  display: flex;
  align-items: center;
  gap: 5px;
}
.breadcrumb [aria-current="page"],
.video-code strong {
  color: var(--text);
}
.label-badge {
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 3px;
}
.video-player {
  position: relative;
  padding-bottom: 40%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: #000;
}
.video-player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.video-facade {
  cursor: pointer;
}
.video-facade__thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-facade__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(0,0,0,.65);
  border: 3px solid rgba(255,255,255,.85);
  color: #fff;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 5px;
  pointer-events: none;
  transition: background 160ms, transform 160ms;
}
.video-facade:hover .video-facade__play {
  background: var(--accent);
  transform: translate(-50%, -50%) scale(1.08);
}
@media (max-width: 600px) {
  .site-header > .container {
    flex-wrap: wrap;
    height: auto;
    gap: 8px;
    padding-top: 8px;
    padding-bottom: 8px;
  }
  .logo {
    width: 100%;
    justify-content: center;
  }
  .search-form {
    max-width: 100%;
  }
  .cat-nav .container {
    padding-top: 8px;
    padding-bottom: 10px;
  }
  .cat-nav {
    overflow-x: visible;
  }
  .cat-nav ul {
    flex-wrap: wrap;
    white-space: normal;
    gap: 8px;
    padding-bottom: 2px;
  }
  .cat-nav ul li a {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    background: var(--bg-card);
  }
  .cat-nav ul li a.active,
  .cat-nav ul li a:hover {
    color: #fff;
    border-color: var(--accent);
    background: var(--accent);
  }
  .video-grid,
  .video-grid--related {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .video-player {
    padding-bottom: 56.25%;
  }
}
.video-thumb-full {
  width: 100%;
  border-radius: var(--radius);
  max-height: 400px;
  object-fit: contain;
  background: #111;
}
.video-taxonomy {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.breadcrumb,
.error-icon,
.related-section .section-title {
  margin-bottom: 16px;
}
.tax-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.tax-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 70px;
}
.tax-link {
  font-size: 0.82rem;
  padding: 3px 10px;
  border-radius: 3px;
  transition: background var(--transition), color var(--transition);
}
.cat-link {
  background: rgba(230, 57, 70, 0.15);
  color: #f4a0a6;
  border: 1px solid rgba(230, 57, 70, 0.25);
}
.breadcrumb a,
.breadcrumb ol,
.tag-link {
  color: var(--text-muted);
}
.cat-link:hover {
  background: rgba(230, 57, 70, 0.3);
  color: #fff;
}
.tag-link {
  background: var(--bg-card-h);
  border: 1px solid var(--border);
}
.tag-link:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.video-content {
  line-height: 1.75;
  color: #c6c6c6;
  font-size: 0.92rem;
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0;
  font-size: 0.8rem;
}
.breadcrumb ol li + li::before {
  content: "/";
  margin: 0 8px;
  opacity: 0.4;
}
.pagination {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.pg-btn,
.pg-ellipsis {
  display: inline-flex;
  min-width: 38px;
  height: 38px;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.pagination ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 6px;
  justify-content: center;
}
.pg-btn {
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: background var(--transition), color var(--transition),
    border-color var(--transition);
  cursor: pointer;
}
.pg-btn:hover {
  background: var(--bg-card-h);
  color: var(--text);
  border-color: #444;
}
.pg-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 700;
}
.pg-btn.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}
.pg-ellipsis {
  align-items: center;
  justify-content: center;
}
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.error-page {
  text-align: center;
  padding: 80px 20px;
}
.error-icon {
  font-size: 5rem;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
}
.btn-home,
.search-form--page button {
  background: var(--accent);
  font-weight: 600;
  transition: background var(--transition);
}
.error-page h1 {
  font-size: 1.6rem;
  margin-bottom: 12px;
}
.error-page p {
  color: var(--text-muted);
  margin-bottom: 24px;
}
.btn-home {
  display: inline-block;
  padding: 10px 24px;
  color: #fff;
  border-radius: var(--radius);
}
.btn-home:hover {
  background: var(--accent-h);
  color: #fff;
}
.search-form--page {
  max-width: 560px;
  margin-bottom: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
}
.search-form--page input[type="search"] {
  flex: 1;
  background: 0 0;
  border: none;
  padding: 12px 16px;
  color: var(--text);
  font-size: 1rem;
  outline: 0;
}
.search-form--page button {
  border: none;
  padding: 0 20px;
  color: #fff;
  cursor: pointer;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9rem;
}
.search-form--page button:hover {
  background: var(--accent-h);
}
.site-footer {
  background: #141414;
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.page-section {
  padding-bottom: 8px;
}
.home-hero-title {
  margin-top: 0;
  padding-left: 0;
  border-left: 0;
  text-align: center;
  padding: 16px;
  color: #f7f9fd;
  font-size: 1.28rem;
  line-height: 1.32;
  letter-spacing: 0;
  background: linear-gradient(96deg, #fff 0, #ffe082 14%, #ff9ad5 30%, #8ec5ff 46%, #9bffcf 62%, #ffb38a 78%, #f3a6ff 90%, #fff 100%);
  background-size: 260% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: 5.6s linear infinite homeTitleShine;
  text-shadow: 0 0 22px rgba(170, 198, 255, .22);
}
@keyframes homeTitleShine {
  0% { background-position: 0% center; }
  100% { background-position: 260% center; }
}
/* ── Icon system (mask-image giữ được currentColor) ── */
.icon {
  display: inline-block;
  background-color: currentColor;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  vertical-align: middle;
  flex-shrink: 0;
}
.icon-search {
  width: 18px; height: 18px;
  -webkit-mask-image: url(/assets/svg/icon-search.svg);
  mask-image: url(/assets/svg/icon-search.svg);
}
.icon-eye {
  width: 16px; height: 16px;
  -webkit-mask-image: url(/assets/svg/icon-eye.svg);
  mask-image: url(/assets/svg/icon-eye.svg);
}
.video-meta .icon-eye {
  width: 14px; height: 14px;
}
.icon-chevron-left {
  width: 16px; height: 16px;
  -webkit-mask-image: url(/assets/svg/icon-chevron-left.svg);
  mask-image: url(/assets/svg/icon-chevron-left.svg);
}
.icon-chevron-right {
  width: 16px; height: 16px;
  -webkit-mask-image: url(/assets/svg/icon-chevron-right.svg);
  mask-image: url(/assets/svg/icon-chevron-right.svg);
}
.icon-calendar {
  width: 16px; height: 16px;
  -webkit-mask-image: url(/assets/svg/icon-calendar.svg);
  mask-image: url(/assets/svg/icon-calendar.svg);
}
/* ── Rating widget ───────────────────────────────────────────────────────── */
.rating-widget {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.rating-stars {
  display: flex;
  gap: 2px;
}
.star {
  font-size: 1.2rem;
  line-height: 1;
  color: var(--border);
  cursor: pointer;
  transition: color .1s, transform .1s;
  user-select: none;
  -webkit-user-select: none;
}
.star:hover,
.star.active {
  color: #f5a000;
  transform: scale(1.2);
}
.star.selected {
  color: #f5a000;
}
.rating-widget.rated .star {
  cursor: default;
  transform: none;
  pointer-events: none;
}
.rating-text {
  font-size: .82rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.rating-text b {
  color: var(--text);
  font-weight: 600;
}
.rating-count {
  color: var(--text-muted);
}