/* ===================================
   MODERN BASE STYLES - NextApp Inspired
   =================================== */

/* CSS Variables cho màu sắc và typography */
:root {
  /* Primary Colors */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  
  /* Secondary Colors */
  --secondary-color: #f59e0b;
  --secondary-dark: #d97706;
  --secondary-light: #fcd34d;
  
  /* Neutral Colors - Light Mode */
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --text-light: #ffffff;
  --text-hero:var(--bg-dark)
  
  /* Background Colors - Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #fcf8f8;
  --bg-tertiary: #f1f5f9;
  --bg-dark: #0f172a;
  --bg-dark-secondary: #1e293b;
  --bg-dark-tertiary: #334155;
  
  /* Border colors cho light mode */
  --border-color: #d1d5db;
  --border-color-dark: #475569;
  
  /* Accent Colors */
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-red-dark: #dc2626;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-yellow: #f59e0b;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-dark: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  
  /* Shadows - Light Mode */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-dark: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Layout */
  --header-offset: 80px;
  --header-height: 80px;
  --container-lg: 1200px;
  
  /* Typography */
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Breakpoints */
  --breakpoint-xs: 320px;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1200px;
  --breakpoint-2xl: 1400px;
  --breakpoint-3xl: 1600px;

    /* Colors */
  --hero-title-color: #ffffff
  --hero-subtitle-color: #ffffff
  --hero-description-color: #ffffff

  /* Light Mode Colors */
  --hero-light-background-color: #f8fafc
  --hero-light-title-color: #1f2937
  --hero-light-subtitle-color: #374151
  --hero-light-description-color: #4b5563

  /* Spacing */
  --hero-padding-horizontal: 1.5rem
  --hero-title-margin: 1.5rem
  --hero-subtitle-margin: 2rem
  --hero-description-margin: 3rem

  /* Buttons */
  --hero-button-padding-vertical: 1rem
  --hero-button-padding-horizontal: 2rem
  --hero-button-font-size: 1.1rem
  --hero-button-transition: 0.3s

    /* Background & Colors */
  --cta-background-start: #e53e3e
  --cta-background-end: #f0f0f1
  --cta-text-color: white
  --cta-overlay-opacity: 0.3

  /* Typography */
  --cta-title-font-size: 2.5rem
  --cta-subtitle-font-size: 0.875rem
  --cta-description-font-size: 1.125rem

  /* Buttons */
  --cta-button-padding-vertical: 0.75rem
  --cta-button-padding-horizontal: 1.5rem
  --cta-button-transition: 0.3s

  /* Form */
  --cta-form-bg: #ffffff
  --cta-form-padding: 2rem
  --cta-form-accent-start: #e53e3e
  --cta-form-accent-end: #7c3aed

  /* Layout */
  --features-padding-top: 4rem;
  --features-padding-bottom: 4rem;
  --features-margin-top: 0;
  --features-margin-bottom: 0;
  --features-content-width: 1200px;
  --features-grid-columns: 3;
  --features-card-padding: 2rem;
  --features-card-margin: 2rem;
  
  /* Style */
  --features-background-color: #ffffff;
  --features-title-color: #1f2937;
  --features-description-color: #6b7280;
  --features-icon-color: #6366f1;
  --features-card-background: #ffffff;
  --features-card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  --features-card-border: 1px solid #e5e7eb;
  --features-title-font-size: 2.5rem;
  --features-description-font-size: 1.125rem;
  --features-icon-size: 3rem;

  --activity-feed-padding-top: 4rem;
  --activity-feed-background-color: #ffffff;
  --activity-feed-title-color: #1f2937;
  --activity-feed-title-font-size: 2.5rem;
  --activity-feed-button-bg-color: transparent;
  --activity-feed-button-text-color: #1f2937;
  --activity-feed-button-border-color: #1f2937;
  --activity-feed-text-padding: 2.5rem;
  --activity-feed-image-padding: 2.5rem;
  
  --spacing-3xl: 6rem;
  --spacing-4xl: 8rem;
  --spacing-5xl: 10rem;
  --spacing-6xl: 12rem;
  --spacing-7xl: 14rem;
  --spacing-8xl: 16rem;
  --spacing-9xl: 18rem;

  --hero-overlay-color: rgba(0,0,0,0.3)        /* Overlay nhẹ */
  --hero-title-color: #ffffff                    /* Title trắng */
  --hero-subtitle-color: #ffffff                 /* Subtitle trắng */
  --hero-description-color: #f3f4f6             /* Description trắng nhạt */
  --hero-highlight-color: #007cba               /* Highlight xanh */
	  
  --hero-background-color: linear-gradient(135deg, #fff 0%, #f00 100%);
}

/* Dark Mode Variables - Override khi [data-theme="dark"] */
html[data-theme="dark"] {
  /* Màu chữ - Dark Mode */
  --text-primary: #e5e7eb;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-light: #ffffff;

  /* Màu nền - Dark Mode */
  --bg-primary: #0b1220;
  --bg-secondary: #0f172a;
  --bg-tertiary: #111827;
  --bg-dark: #020617;

  /* Border colors cho dark mode */
  --border-color: #374151;

  /* Primary/Secondary tinh chỉnh nhẹ để hợp nền tối */
  --primary-color: #8b9dfd;
  --primary-dark: #6f7df7;
  --primary-light: #c6cffd;

  --secondary-color: #f4b86b;
  --secondary-dark: #dc8e2d;
  --secondary-light: #ffd99a;

  /* Shadow nhẹ hơn để phù hợp nền tối */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.45);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.55), 0 10px 10px -5px rgba(0, 0, 0, 0.5);

  /* Gradient tối hơn một chút */
  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #312e81 100%);
  --gradient-dark: linear-gradient(135deg, #1f2937 0%, #0f172a 100%);
}

/* Reset và Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

body {
  font-family: var(--font-family-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  transition: color var(--transition-normal), background-color var(--transition-normal);
}

/* Ngăn chặn scroll ngang cho tất cả elements */
* {
  max-width: 100%;
}

/* Container chính - đảm bảo không overflow */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  overflow-x: hidden;
  box-sizing: border-box;
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
  overflow-x: hidden;
  box-sizing: border-box;
}

.container-sm {
  max-width: 640px;
  overflow-x: hidden;
  box-sizing: border-box;
}

.container-md {
  max-width: 768px;
  overflow-x: hidden;
  box-sizing: border-box;
}

.container-lg {
  max-width: 1024px;
  overflow-x: hidden;
  box-sizing: border-box;
}

.container-xl {
  max-width: 1280px;
  overflow-x: hidden;
  box-sizing: border-box;
}

/* Grid System - đảm bảo không overflow */
.grid {
  display: grid;
  gap: var(--spacing-md);
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

/* Flexbox Utilities - đảm bảo không overflow */
.flex { 
  display: flex; 
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

.flex-col { 
  flex-direction: column; 
  overflow-x: hidden;
}

.flex-row { 
  flex-direction: row; 
  overflow-x: hidden;
}

.flex-wrap { 
  flex-wrap: wrap; 
  overflow-x: hidden;
}

.flex-nowrap { 
  flex-wrap: nowrap; 
  overflow-x: hidden;
}

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-normal);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  transition: color var(--transition-normal);
}

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

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

/* Spacing Utilities */
.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-xs); }
.m-2 { margin: var(--spacing-sm); }
.m-3 { margin: var(--spacing-md); }
.m-4 { margin: var(--spacing-lg); }
.m-5 { margin: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--accent-green); }
.text-danger { color: var(--accent-red); }
.text-warning { color: var(--secondary-color); }
.text-info { color: var(--accent-blue); }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* Background Utilities */
.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }
.bg-dark { background-color: var(--bg-dark); }

.bg-gradient-primary { background: var(--gradient-primary); }
.bg-gradient-secondary { background: var(--gradient-secondary); }
.bg-gradient-dark { background: var(--gradient-dark); }

/* Border Utilities */
.border { border: 1px solid var(--text-muted); }
.border-0 { border: 0; }
.border-t { border-top: 1px solid var(--text-muted); }
.border-b { border-bottom: 1px solid var(--text-muted); }
.border-l { border-left: 1px solid var(--text-muted); }
.border-r { border-right: 1px solid var(--text-muted); }

.border-primary { border-color: var(--primary-color); }
.border-secondary { border-color: var(--secondary-color); }

.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: 9999px; }

/* Shadow Utilities */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-none { box-shadow: none; }

/* Button Base Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: var(--leading-none);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Button Variants */
.btn-primary {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
  border-color: var(--secondary-color);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--primary-color);
  color: white;
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--text-lg);
}

/* Card Component */
.card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal), background-color var(--transition-normal), color var(--transition-normal);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--bg-secondary);
}

.card-body {
  padding: var(--spacing-md);
}

.card-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--bg-secondary);
  background-color: var(--bg-secondary);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: var(--spacing-sm);
  font-size: var(--text-base);
  border: 1px solid var(--text-muted);
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input:disabled {
  background-color: var(--bg-secondary);
  cursor: not-allowed;
}

.form-input::placeholder {
  color: var(--text-muted);
}

/* Dark Mode Specific Fixes */
html[data-theme="dark"] .form-input {
  background-color: var(--bg-secondary);
  border-color: #243044;
}

html[data-theme="dark"] .form-input::placeholder {
  color: var(--text-muted);
}

/* Utility Classes */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.select-none { user-select: none; }
.select-text { user-select: text; }

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Theme Transition Helpers */
.theme-transition {
  transition: color var(--transition-normal), 
              background-color var(--transition-normal), 
              border-color var(--transition-normal),
              box-shadow var(--transition-normal);
}

/* Dark Mode Specific Component Fixes */
html[data-theme="dark"] .card,
html[data-theme="dark"] .panel,
html[data-theme="dark"] .box,
html[data-theme="dark"] .widget,
html[data-theme="dark"] .menu,
html[data-theme="dark"] .dropdown,
html[data-theme="dark"] .modal,
html[data-theme="dark"] .search-form,
html[data-theme="dark"] .header,
html[data-theme="dark"] .footer {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* Đường viền chuyển sang tông tối hơn */
html[data-theme="dark"] hr,
html[data-theme="dark"] .divider,
html[data-theme="dark"] .bordered {
  border-color: #243044;
}

/* Link hover giữ độ tương phản tốt */
html[data-theme="dark"] a:hover {
  color: var(--primary-light);
} 

/* ===================================
   FULL-WIDTH ENSUREMENT
   =================================== */
.hero-section {
  box-sizing: border-box;
  left: 0;
  right: 0;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

/* Đảm bảo hero section không bị giới hạn bởi parent container */
.site-main .hero-section {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  position: relative;
  overflow-x: hidden;
}

/* ===================================
   OVERFLOW PREVENTION - Ngăn chặn scroll ngang
   =================================== */

/* Ngăn chặn scroll ngang cho tất cả sections */
section, .section, .page-section {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Ngăn chặn scroll ngang cho header và footer */
header, .header, footer, .footer {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Ngăn chặn scroll ngang cho navigation */
nav, .navigation, .nav, .menu {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Ngăn chặn scroll ngang cho main content */
main, .main, .site-main, .content {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Ngăn chặn scroll ngang cho sidebar */
aside, .sidebar, .widget-area {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Ngăn chặn scroll ngang cho forms */
form, .form, .search-form {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Ngăn chặn scroll ngang cho tables */
table, .table {
  overflow-x: auto;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Ngăn chặn scroll ngang cho images */
img, .image, .wp-image {
  max-width: 100%;
  height: auto;
  box-sizing: border-box;
}

/* Ngăn chặn scroll ngang cho videos */
video, .video, .wp-video {
  max-width: 100%;
  height: auto;
  box-sizing: border-box;
}

/* Ngăn chặn scroll ngang cho iframes */
iframe, .iframe, .wp-embed {
  max-width: 100%;
  box-sizing: border-box;
}

/* ===================================
   UTILITY CLASSES CHO OVERFLOW
   =================================== */

/* Utility classes để kiểm soát overflow */
.overflow-hidden { 
  overflow: hidden; 
  overflow-x: hidden;
}

.overflow-x-hidden { 
  overflow-x: hidden; 
}

.overflow-y-auto { 
  overflow-y: auto; 
  overflow-x: hidden;
}

.overflow-y-scroll { 
  overflow-y: scroll; 
  overflow-x: hidden;
}

/* Đảm bảo width không vượt quá container */
.w-full { 
  width: 100%; 
  max-width: 100%;
  box-sizing: border-box;
}

.h-full { 
  height: 100%; 
  box-sizing: border-box;
}

.min-h-screen { 
  min-height: 100vh; 
  box-sizing: border-box;
}

/* ===================================
   FINAL OVERFLOW PREVENTION - Đảm bảo hoàn toàn không scroll ngang
   =================================== */

/* Ngăn chặn scroll ngang cho tất cả elements một cách tuyệt đối */
html, body {
  overflow-x: hidden !important;
  width: 100% !important;
  max-width: 100% !important;
  position: relative;
}

/* Đảm bảo tất cả elements không vượt quá viewport */
* {
  max-width: 100vw;
  box-sizing: border-box;
}

/* Ngăn chặn scroll ngang cho viewport */
.viewport, .viewport-container {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  position: relative;
}

/* Ngăn chặn scroll ngang cho page wrapper */
.page-wrapper, .site-wrapper, .main-wrapper {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  position: relative;
}

/* Ngăn chặn scroll ngang cho content wrapper */
.content-wrapper, .post-content, .entry-content {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  position: relative;
}

/* Đảm bảo images và media hiển thị đúng cách */
img, video, iframe, embed, object {
  max-width: 100% !important;
  height: auto !important;
  box-sizing: border-box !important;
  display: block !important;
  vertical-align: middle !important;
}

/* Đặc biệt cho ảnh trong blog và content */
.post-content img,
.entry-content img,
.blog-content img,
.article-content img {
  max-width: 100% !important;
  height: auto !important;
  display: block !important;
  margin: var(--spacing-md) auto !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm) !important;
}

/* Đảm bảo ảnh trong grid và cards hiển thị đúng */
.grid img,
.card img,
.blog-card img,
.article-card img {
  width: 100% !important;
  height: auto !important;
  object-fit: cover !important;
  display: block !important;
}

/* Ngăn chặn scroll ngang cho WordPress specific elements */
.wp-block-image, .wp-block-video, .wp-block-embed {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Đảm bảo ảnh trong WordPress blocks hiển thị đúng */
.wp-block-image img {
  max-width: 100% !important;
  height: auto !important;
  display: block !important;
  margin: 0 auto !important;
}

/* Ngăn chặn scroll ngang cho Gutenberg blocks */
.wp-block {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* ===================================
   ACCESSIBILITY & REDUCED MOTION
   =================================== */
@media (prefers-reduced-motion: reduce) {
  /* Tắt animations cho user nhạy cảm */
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  /* Tăng độ tương phản */
  .btn {
    border-width: 2px;
  }
  
  .form-input {
    border-width: 2px;
  }
  
  .card {
    border: 2px solid var(--text-primary);
  }
}

/* Dark Mode Preference từ System */
@media (prefers-color-scheme: dark) {
  /* Chỉ áp dụng nếu user chưa chọn theme */
  html:not([data-theme]) {
    --text-primary: #e5e7eb;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --bg-primary: #0b1220;
    --bg-secondary: #0f172a;
    --bg-tertiary: #111827;
  }
}

/* Light Mode Preference từ System */
@media (prefers-color-scheme: light) {
  /* Chỉ áp dụng nếu user chưa chọn theme */
  html:not([data-theme]) {
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
  }
}