/* Experience layer for index2.html */

.app-v2 {
  --primary: #123a62;
  --primary-hover: #0b2d50;
  --primary-light: #eaf3f8;
  --accent: #0b8f83;
  --accent-hover: #08766d;
  --accent-light: #e8f8f5;
  --danger: #b42318;
  --sidebar-width: 320px;
  --outline-width: 250px;
}

.app-v2.dark-mode {
  --primary: #6db7dc;
  --primary-hover: #9bd2eb;
  --primary-light: rgba(35, 105, 145, 0.28);
  --accent: #4fd1c5;
  --accent-hover: #7ce1d8;
  --accent-light: rgba(15, 118, 110, 0.24);
  --danger: #fda29b;
}

.app-v2 .sidebar-wrapper {
  box-shadow: 8px 0 28px rgba(15, 23, 42, 0.04);
}

.app-v2 .sidebar-header {
  min-height: 82px;
  padding: 20px;
}

.app-v2 .brand-logo {
  position: relative;
}

.app-v2 .brand-logo::after {
  content: "Trung tâm hướng dẫn";
  position: absolute;
  top: 25px;
  left: 38px;
  white-space: nowrap;
  color: var(--text-light);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-v2 .sidebar-search {
  padding: 14px 16px;
}

.app-v2 .search-input-wrapper input {
  min-height: 44px;
  padding-right: 38px;
  background: var(--bg-card);
}

.app-v2 .sidebar-navigation {
  padding: 12px;
}

.app-v2 .sidebar-category {
  margin-bottom: 6px;
  border-radius: 10px;
}

.app-v2 .category-header {
  min-height: 44px;
  padding: 10px 12px;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.app-v2 .category-header-index {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-right: 8px;
  border-radius: 7px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
}

.app-v2 .category-header-label {
  flex: 1;
}

.app-v2 .category-pages {
  padding: 2px 4px 8px 10px;
  margin-top: 0;
}

.app-v2 .category-pages a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  white-space: normal;
  line-height: 1.35;
  border-left: 2px solid transparent;
}

.app-v2 .category-pages li.active a {
  border-left-color: var(--primary);
}

.nav-subgroup-label {
  margin: 10px 10px 4px;
  color: var(--text-light);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-page-title {
  min-width: 0;
}

.nav-verified-mark {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 900;
}

.category-pages li.verified:not(.active) a {
  color: var(--text-light);
}

.category-verify-count {
  margin-left: 8px;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.64rem;
  font-weight: 800;
}

.verification-toolbar {
  padding: 12px 16px 14px;
  border-bottom: 1px solid var(--border-color);
  background: color-mix(in srgb, var(--accent-light) 48%, var(--bg-sidebar));
}

.verification-toolbar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.verification-toolbar-header strong {
  color: var(--accent);
  font-size: 0.78rem;
}

.verification-progress {
  width: 100%;
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--border-color);
}

.verification-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #43c6b8);
  transition: width 0.24s ease;
}

.verification-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 0.72rem;
  cursor: pointer;
}

.verification-filter input {
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
}

.verification-toolbar-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin-top: 9px;
}

.copy-verification-button {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-muted);
  font: 700 0.7rem var(--font-body);
  cursor: pointer;
}

.copy-verification-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.reset-verification-button:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.app-v2 .content-viewport {
  padding-top: 34px;
}

.app-v2 .doc-page {
  max-width: 880px;
}

.app-v2 #tong-quan-tai-lieu {
  max-width: 1080px;
}

.faq-intro {
  max-width: 720px;
  margin-bottom: 28px;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.faq-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 34px;
}

.faq-item {
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-card);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.faq-item:hover,
.faq-item[open] {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border-color));
  box-shadow: 0 8px 24px rgba(23, 42, 76, 0.07);
}

.faq-item summary {
  position: relative;
  padding: 17px 52px 17px 18px;
  color: var(--text-main);
  font-weight: 750;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 22px;
  text-align: center;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item[open] summary {
  color: var(--accent);
}

.faq-item summary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent) inset;
}

.faq-answer {
  padding: 0 18px 18px;
  border-top: 1px solid var(--border-color);
}

.faq-location {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin: 14px 0 12px;
  padding: 10px 12px;
  border-left: 3px solid var(--accent);
  border-radius: 7px;
  background: var(--accent-light);
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 750;
  line-height: 1.45;
}

.faq-location-label {
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.faq-location-label::after {
  content: ":";
}

.faq-location-path {
  color: var(--text-main);
}

.faq-answer p {
  margin: 0 0 10px;
  color: var(--text-muted);
}

.faq-answer > .faq-steps {
  margin: 14px 0 12px;
  padding-left: 1.4rem;
  color: var(--text-muted);
}

.faq-answer > .faq-steps li {
  margin-bottom: 8px;
}

.faq-answer > .faq-steps strong,
.faq-answer > p strong {
  color: var(--text-main);
}

.faq-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 750;
}

.faq-detail-link::after {
  content: "→";
}

.page-context {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  color: var(--text-light);
  font-size: 0.82rem;
}

.page-context-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.verify-page-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 32px;
  padding: 5px 10px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-muted);
  font: 700 0.72rem var(--font-body);
  white-space: nowrap;
  cursor: pointer;
}

.verify-page-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.verify-page-button.verified {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
}

.breadcrumb a {
  color: inherit;
  text-decoration: none;
}

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

.breadcrumb-separator {
  color: var(--border-color);
}

.risk-badge {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 6px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.risk-badge.risk-technical {
  background: var(--co-warning-bg);
  color: var(--co-warning-text);
}

.risk-badge.risk-important {
  background: var(--co-important-bg);
  color: var(--co-important-text);
}

.app-v2 .page-title {
  margin-bottom: 20px;
  font-size: clamp(1.85rem, 3vw, 2.5rem);
}

.home-dashboard {
  display: grid;
  gap: 34px;
}

.home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 52px);
  border-radius: 24px;
  background:
    radial-gradient(circle at 90% 10%, rgba(79, 209, 197, 0.26), transparent 32%),
    linear-gradient(135deg, #0d2f50 0%, #164e70 62%, #0d766f 150%);
  color: #fff;
  box-shadow: 0 20px 50px rgba(18, 58, 98, 0.2);
}

.home-eyebrow {
  margin-bottom: 10px;
  color: #9fe3db;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.home-hero h1 {
  max-width: 720px;
  margin-bottom: 12px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.home-hero > p:not(.home-eyebrow) {
  max-width: 680px;
  color: #d6e7f1;
  font-size: 1.02rem;
}

.home-search {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 720px;
  margin-top: 26px;
}

.home-search svg {
  position: absolute;
  left: 18px;
  width: 21px;
  color: #52758c;
  pointer-events: none;
}

.home-search input {
  width: 100%;
  min-height: 58px;
  padding: 0 52px;
  border: 0;
  border-radius: 14px;
  outline: none;
  background: #fff;
  color: #102a43;
  font: 500 1rem var(--font-body);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.home-search kbd {
  position: absolute;
  right: 16px;
  padding: 3px 7px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #f8fafc;
  color: #64748b;
  font: 700 0.72rem var(--font-body);
}

.home-search input:focus {
  box-shadow: 0 0 0 4px rgba(79, 209, 197, 0.4), 0 12px 30px rgba(0, 0, 0, 0.18);
}

.home-section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 15px;
}

.home-section-header h2 {
  margin: 0;
  color: var(--text-main);
  font: 700 1.35rem var(--font-display);
}

.home-section-header p {
  color: var(--text-light);
  font-size: 0.88rem;
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.quick-action {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 78px;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: var(--bg-card);
  color: var(--text-main);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.quick-action:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.quick-action-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 1rem;
  font-weight: 800;
}

.quick-action strong {
  display: block;
  font-size: 0.92rem;
  line-height: 1.3;
}

.quick-action small {
  display: block;
  margin-top: 3px;
  color: var(--text-light);
  font-size: 0.75rem;
}

.category-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.category-card {
  display: flex;
  gap: 14px;
  min-height: 118px;
  padding: 19px;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--bg-card);
  color: var(--text-main);
  text-decoration: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.category-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.category-card-number {
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  flex: 0 0 35px;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 800;
}

.category-card h3 {
  margin: 0 0 5px;
  color: var(--text-main);
  font: 700 1rem var(--font-display);
}

.category-card p {
  margin: 0;
  color: var(--text-light);
  font-size: 0.82rem;
  line-height: 1.5;
}

.category-card-content {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.category-card-progress {
  margin-top: auto;
  padding-top: 9px;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 800;
}

.verification-overview {
  padding: 24px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border-color));
  border-radius: 18px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-light) 75%, var(--bg-card)), var(--bg-card));
  box-shadow: var(--shadow-sm);
}

.verification-overview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.verification-eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.verification-overview h2 {
  margin: 0;
  color: var(--text-main);
  font: 700 1.25rem var(--font-display);
}

.verification-overview h2 + p {
  margin: 3px 0 0;
  color: var(--text-light);
  font-size: 0.82rem;
}

.verification-overview-header > strong {
  color: var(--accent);
  font: 800 1.8rem var(--font-display);
}

.verification-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.search-result.verified {
  opacity: 0.72;
}

.home-help {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 22px 24px;
  border: 1px solid #f4cf78;
  border-radius: 16px;
  background: var(--co-warning-bg);
  color: var(--co-warning-text);
}

.home-help h2 {
  margin: 0 0 4px;
  font: 700 1.1rem var(--font-display);
}

.home-help p {
  margin: 0;
  font-size: 0.9rem;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 9px;
  font: 700 0.84rem var(--font-body);
  cursor: pointer;
}

.primary-action {
  border: 0;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
}

.secondary-action {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
}

.home-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 2px 4px;
  color: var(--text-light);
  font-size: 0.78rem;
}

.home-meta-links {
  display: flex;
  gap: 10px;
}

.home-meta a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}

.search-results {
  display: none;
}

.search-results.visible {
  display: block;
}

.home-search-results.visible {
  position: relative;
  z-index: 2;
  max-width: 720px;
  max-height: 360px;
  margin-top: 10px;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  background: var(--bg-card);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
}

.home-search-results .search-result {
  margin: 5px;
}

.sidebar-search-results {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.search-result-summary {
  padding: 5px 8px 9px;
  color: var(--text-light);
  font-size: 0.72rem;
}

.search-result {
  display: block;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text-main);
  text-decoration: none;
}

.search-result:hover,
.search-result:focus-visible {
  border-color: var(--border-color);
  background: var(--sidebar-active-bg);
}

.search-result-group {
  display: block;
  margin-bottom: 3px;
  color: var(--accent);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.search-result-title {
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.35;
}

.search-result-snippet {
  display: -webkit-box;
  margin-top: 4px;
  overflow: hidden;
  color: var(--text-light);
  font-size: 0.72rem;
  line-height: 1.4;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.search-empty {
  padding: 26px 14px;
  color: var(--text-light);
  text-align: center;
  font-size: 0.85rem;
}

.related-guides {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.related-guides-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.related-guides-header h2 {
  margin-top: 0;
  margin-bottom: 5px;
}

.related-guides-header p {
  margin: 0;
  color: var(--text-light);
  font-size: 0.82rem;
}

.related-guides-count {
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-light);
  color: var(--accent-hover);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.markdown-body .related-guides-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.markdown-body .related-guide-item {
  margin: 0;
}

.markdown-body .related-guide-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 14px;
  min-height: 82px;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-card);
  color: var(--text-main);
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.markdown-body .related-guide-card:hover,
.markdown-body .related-guide-card:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 10px 24px rgba(18, 58, 98, 0.1);
  transform: translateY(-2px);
}

.related-guide-index {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.related-guide-content {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 7px;
}

.related-guide-card strong {
  color: var(--text-main);
  font-size: 0.93rem;
  line-height: 1.4;
}

.related-guide-location {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  color: var(--text-light);
  font-size: 0.72rem;
  line-height: 1.4;
}

.related-guide-location-label {
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--accent-light);
  color: var(--accent-hover);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.related-guide-separator {
  color: var(--accent);
  font-weight: 800;
}

.related-guide-action {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 1rem;
  font-weight: 700;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.markdown-body .related-guide-card:hover .related-guide-action,
.markdown-body .related-guide-card:focus-visible .related-guide-action {
  background: var(--accent);
  color: #fff;
  transform: translateX(2px);
}

@media (min-width: 1440px) {
  .related-guides--dense .related-guides-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.uat-floating-button {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 17px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 12px 30px rgba(18, 58, 98, 0.26);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: box-shadow 0.2s ease, filter 0.2s ease, transform 0.2s ease;
}

.uat-floating-button svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.uat-floating-button:hover,
.uat-floating-button:focus-visible {
  box-shadow: 0 16px 34px rgba(18, 58, 98, 0.34);
  color: #fff;
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.operation-checklist {
  display: grid;
  gap: 9px;
  margin: 18px 0 12px;
}

.operation-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
}

.operation-checklist input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--accent);
}

.operation-checklist label:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-light);
  text-decoration: line-through;
}

.mobile-outline {
  display: none;
  margin: 0 0 22px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-card);
}

.mobile-outline summary {
  padding: 11px 14px;
  color: var(--text-main);
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
}

.mobile-outline nav {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 0 14px 14px;
}

.outline-empty {
  color: var(--text-light);
  font-size: 0.8rem;
}

.missing-media-note {
  margin: 18px 0;
  padding: 13px 16px;
  border: 1px dashed var(--co-warning-border);
  border-radius: 10px;
  background: var(--co-warning-bg);
  color: var(--co-warning-text);
  font-size: 0.88rem;
}

.app-v2 .video-container {
  position: relative;
}

.app-v2 .video-container:has(video[poster])::before {
  content: "VIDEO HƯỚNG DẪN";
  position: absolute;
  z-index: 1;
  top: 12px;
  left: 12px;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(9, 23, 38, 0.82);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  pointer-events: none;
}

.app-v2 .doc-video[poster] {
  min-height: 220px;
  object-fit: contain;
}

.doc-image[role="button"] {
  outline: none;
}

.app-v2 :where(a, button, input, [role="button"]):focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.app-v2 .category-header[aria-expanded="true"] .chevron {
  transform: rotate(180deg);
}

.app-v2 .lightbox-modal[aria-hidden="true"] {
  display: none;
}

@media (max-width: 1120px) {
  .quick-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .mobile-outline {
    display: block;
  }
}

@media (max-width: 768px) {
  .app-v2 .mobile-logo .brand-text {
    font-size: 0.86rem;
  }

  .app-v2 .content-viewport {
    padding: 22px 16px 96px;
  }

  .home-dashboard {
    gap: 26px;
  }

  .home-hero {
    border-radius: 18px;
  }

  .home-search kbd {
    display: none;
  }

  .home-search input {
    min-height: 54px;
    padding-right: 16px;
  }

  .quick-actions,
  .category-card-grid {
    grid-template-columns: 1fr;
  }

  .home-help {
    grid-template-columns: 1fr;
  }

  .page-context {
    align-items: flex-start;
    flex-direction: column;
  }

  .page-context-actions {
    width: 100%;
    justify-content: space-between;
  }

  .verification-overview-header {
    align-items: flex-start;
  }

  .related-guides-header {
    flex-direction: column;
    gap: 10px;
  }

  .markdown-body .related-guide-card {
    grid-template-columns: 36px minmax(0, 1fr) 28px;
    gap: 10px;
    min-height: 76px;
    padding: 11px;
  }

  .related-guide-index {
    width: 36px;
    height: 36px;
  }

  .related-guide-action {
    width: 28px;
    height: 28px;
  }

  .uat-floating-button {
    right: 16px;
    bottom: 16px;
    min-height: 44px;
    padding: 0 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-v2 *,
  .app-v2 *::before,
  .app-v2 *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}