/**
 * TopTrip.vn - Unified Design Tokens & Accessibility Baseline
 * Standard: Impeccable v4.8.0 / WCAG 2.1 AA Compliance
 * Brand Identity: Strictly Preserved (Emerald #059669, Coral #ff5722, Amber #d97706)
 */

:root {
  /* Brand Identity Tokens */
  --primary: #059669;
  --primary-dark: #047857;
  --primary-soft: rgba(5, 150, 105, 0.1);
  --coral: #ff5722;
  --coral-hover: #e64a19;
  --coral-soft: rgba(255, 87, 34, 0.12);
  --amber: #d97706;
  --amber-soft: rgba(217, 119, 6, 0.12);

  /* Surface & Background Tokens */
  --bg-dark: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --border: #e2e8f0;
  --border-dark: #1e293b;

  /* Typography Colors */
  --text-main: #0f172a;
  --text-muted: #334155;
  --text-subtle: #64748b;

  /* Semantic Token Aliases */
  --color-primary: var(--primary);
  --color-primary-dark: var(--primary-dark);
  --color-primary-soft: var(--primary-soft);
  --color-coral: var(--coral);
  --color-coral-hover: var(--coral-hover);
  --color-amber: var(--amber);
  --color-bg-page: var(--bg-dark);
  --color-bg-card: var(--bg-card);
  --color-bg-card-hover: var(--bg-card-hover);
  --color-border: var(--border);
  --color-text-main: var(--text-main);
  --color-text-muted: var(--text-muted);
  --color-text-subtle: var(--text-subtle);

  /* Stacking Context (Z-Index Scale) */
  --z-base: 1;
  --z-sticky: 80;
  --z-header: 100;
  --z-dropdown: 500;
  --z-drawer-backdrop: 900;
  --z-drawer: 950;
  --z-modal-backdrop: 1000;
  --z-modal: 1050;
  --z-toast: 2000;

  /* Focus & Craft Tokens */
  --focus-ring: 0 0 0 3px rgba(5, 150, 105, 0.35);
  --touch-target-min: 44px;
}

/* ==========================================================================
   Accessibility & Keyboard Navigation (WCAG AA)
   ========================================================================== */

/* High-Contrast Focus Visible Ring */
:focus-visible {
  outline: 2px solid var(--primary) !important;
  outline-offset: 2px !important;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--primary) !important;
  outline-offset: 2px !important;
  box-shadow: var(--focus-ring) !important;
}

/* Skip-to-content accessible landmark bypass */
.skip-link {
  position: absolute;
  top: -120px;
  left: 16px;
  background: var(--primary);
  color: #ffffff !important;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 13px;
  z-index: var(--z-toast);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: top 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 16px;
}

/* Motion Sensitivity WCAG AA Compliance */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .badge-live,
  #header-notif-badge,
  .brand-mark,
  .online-indicator {
    animation: none !important;
  }
}

/* Brand Selection Styling */
::selection {
  background: rgba(5, 150, 105, 0.22);
  color: #0f172a;
}

::-moz-selection {
  background: rgba(5, 150, 105, 0.22);
  color: #0f172a;
}

/* Smooth Horizontal Panning for Touch Devices */
.ticker-wrap,
.desk-bar-inner,
.prompt-chips-row,
.recom-grid,
.scrollable-pills {
  touch-action: pan-x;
  -webkit-overflow-scrolling: touch;
}

/* Touch Target Minimum Requirements on Mobile */
@media (max-width: 768px) {
  .mobile-menu-btn {
    min-width: 44px !important;
    min-height: 44px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .drawer-close {
    min-width: 44px !important;
    min-height: 44px !important;
    width: 44px !important;
    height: 44px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .desk-pill {
    min-height: 44px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .drawer-nav-item {
    min-height: 44px !important;
    display: flex !important;
    align-items: center !important;
  }
}

/* CLS Guard: Reserved Aspect Ratios */
.ngoc-diep-avatar {
  aspect-ratio: 1 / 1;
}

.brand-mark {
  aspect-ratio: 1 / 1;
}

/* ==========================================================================
   Mobile-First Anti-Overflow & Layout Resilience (Impeccable Adaptive)
   ========================================================================== */

html {
  overflow-x: hidden !important;
  width: 100% !important;
  max-width: 100vw !important;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden !important;
  width: 100% !important;
  max-width: 100vw !important;
  position: relative;
}

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

img, svg, video, iframe, canvas {
  max-width: 100%;
}

/* Container width safety */
.container, main.container {
  width: 100% !important;
  max-width: 1360px;
  box-sizing: border-box !important;
  min-width: 0 !important;
}

/* Cẩm Nang & Bài Viết Mới Nhất Anti-Overflow */
#section-cam-nang {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  overflow: hidden !important;
}

.camnang-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  align-items: start;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.camnang-layout > div:first-child {
  min-width: 0 !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

#home-camnang-grid {
  min-width: 0 !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.camnang-list-card {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  min-width: 0 !important;
  overflow: hidden !important;
}

.camnang-card-content {
  min-width: 0 !important;
  width: 100% !important;
  max-width: 100% !important;
  overflow: hidden !important;
  word-break: break-word !important;
  overflow-wrap: break-word !important;
  box-sizing: border-box !important;
}

.camnang-card-meta {
  flex-wrap: wrap !important;
  max-width: 100% !important;
  row-gap: 4px !important;
  box-sizing: border-box !important;
}

.camnang-card-title {
  word-break: break-word !important;
  overflow-wrap: break-word !important;
  width: 100% !important;
}

.camnang-card-summary {
  word-break: break-word !important;
  overflow-wrap: break-word !important;
  width: 100% !important;
}

.camnang-sidebar {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  min-width: 0 !important;
}

.sidebar-widget {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  min-width: 0 !important;
  overflow: hidden !important;
}

.trending-item {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  min-width: 0 !important;
}

.trending-info {
  flex: 1 1 0% !important;
  min-width: 0 !important;
  overflow: hidden !important;
}

.trending-title {
  word-break: break-word !important;
  overflow-wrap: break-word !important;
}

.btn-ota {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

#home-camnang-pagination {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  flex-wrap: wrap !important;
}

/* Tablet Layout (<= 1024px) */
@media (max-width: 1024px) {
  .camnang-layout {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    gap: 24px !important;
    box-sizing: border-box !important;
  }
  .camnang-sidebar {
    position: static !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
}

/* Mobile Layout (<= 768px): Card Vertical Edge-to-Edge Image (Zero Overflow, Symmetrical) */
@media (max-width: 768px) {
  .container, main.container {
    padding: 16px 12px !important;
  }
  .camnang-layout {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    gap: 20px !important;
    box-sizing: border-box !important;
  }
  .camnang-list-card {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 0 !important;
    gap: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    border-radius: 14px !important;
    border: 1px solid var(--border) !important;
    background: #ffffff !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
    overflow: hidden !important;
    margin: 0 !important;
  }
  .camnang-card-thumb {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    height: 195px !important;
    aspect-ratio: 16 / 9 !important;
    border-radius: 0 !important;
    overflow: hidden !important;
    position: relative !important;
    flex-shrink: 0 !important;
    margin: 0 !important;
    box-sizing: border-box !important;
  }
  .camnang-card-thumb img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
  }
  .camnang-card-content {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    padding: 14px 16px 16px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    flex: none !important;
    overflow: hidden !important;
  }
  .camnang-card-meta {
    font-size: 12px !important;
    gap: 6px !important;
    row-gap: 4px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .camnang-author {
    max-width: 120px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    display: inline-block !important;
  }
  .camnang-card-title {
    font-size: 16px !important;
    font-weight: 800 !important;
    color: #0f172a !important;
    line-height: 1.4 !important;
    margin: 0 !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    width: 100% !important;
  }
  .camnang-card-title a {
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
  }
  .camnang-card-summary {
    font-size: 13px !important;
    line-height: 1.5 !important;
    color: #475569 !important;
    margin: 0 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
    word-break: break-word !important;
  }
  .camnang-card-footer {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-top: 4px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .camnang-sidebar {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    gap: 16px !important;
  }
  .sidebar-widget {
    padding: 16px !important;
    border-radius: 14px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .btn-ota {
    padding: 11px 14px !important;
    font-size: 12.5px !important;
  }
  #home-camnang-pagination {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 6px !important;
    margin-top: 18px !important;
    flex-wrap: wrap !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
}

/* Small Mobile (<= 480px) */
@media (max-width: 480px) {
  .container, main.container {
    padding: 12px 10px !important;
  }
  .camnang-card-thumb {
    height: 175px !important;
  }
  .camnang-card-content {
    padding: 12px 14px 14px !important;
  }
  .camnang-card-title {
    font-size: 15px !important;
  }
  .camnang-card-summary {
    font-size: 12.5px !important;
  }
  .camnang-author {
    max-width: 100px !important;
  }
  .pagination-btn {
    min-width: 32px !important;
    height: 36px !important;
    font-size: 11.5px !important;
    padding: 4px 6px !important;
  }
}

/* Header Mobile & Tablet Strict Layout (Zero Overflow) */
@media (max-width: 1024px) {
  header {
    padding: 10px 16px !important;
    box-sizing: border-box !important;
  }
  .header-inner {
    gap: 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .nav-search {
    max-width: 220px !important;
  }
  .header-actions .btn {
    padding: 7px 10px !important;
    font-size: 12px !important;
  }
}

@media (max-width: 820px) {
  .header-actions {
    display: none !important;
  }
  .nav-search {
    display: none !important;
  }
  .top-links {
    display: none !important;
  }
  .mobile-menu-btn {
    display: flex !important;
  }
}

@media (max-width: 768px) {
  header {
    padding: 10px 14px !important;
    width: 100% !important;
    max-width: 100vw !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .header-inner {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    justify-content: space-between !important;
  }
  .header-actions {
    display: none !important;
  }
  .nav-search {
    display: none !important;
  }
  .top-links {
    display: none !important;
  }
  .mobile-menu-btn {
    display: flex !important;
  }
}