/* =============================================
   DIRI - Digital Rights
   Design System v1.0
   Brand: Navy #0B3D91 | Teal #11B8B8
   ============================================= */

/* ----- Google Fonts (Plus Jakarta Sans) ----- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&display=swap');

/* ----- CSS Custom Properties (Design Tokens) ----- */
:root {
  /* Brand Colors */
  --color-navy: #0B3D91;
  --color-navy-dark: #082b6a;
  --color-navy-light: #1a4fa8;
  --color-teal: #11B8B8;
  --color-teal-dark: #0e9a9a;
  --color-teal-light: #3dd4d4;
  --color-dark: #1F2937;
  --color-dark-secondary: #4B5563;
  --color-light: #F5F9FC;
  --color-light-alt: #EDF3F8;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  /* Typography */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  --font-size-7xl: 4.5rem;
  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-14: 3.5rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-28: 7rem;
  --space-32: 8rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --header-height: 72px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.10), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-nav: 0 1px 3px rgba(15, 23, 42, 0.08);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ----- Quiz Views ----- */
.quiz-view { display: none; }
.quiz-view.active { display: block; animation: fadeIn 0.2s ease; }
.quiz-score-number { font-size: var(--font-size-6xl); font-weight: var(--font-weight-extrabold); color: var(--color-navy); }
.quiz-review-item { padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: var(--space-3); }
.quiz-review-item.correct { border-color: var(--color-success); background: rgba(16,185,129,0.03); }
.quiz-review-item.incorrect { border-color: var(--color-error); background: rgba(239,68,68,0.03); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-navy);
}

.heading-xl {
  font-size: clamp(var(--font-size-4xl), 6vw, var(--font-size-7xl));
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.03em;
}

.heading-lg {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
}

.heading-md {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
  letter-spacing: -0.01em;
}

.heading-sm {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

.body-lg {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-dark-secondary);
}

.body-md {
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-dark-secondary);
}

.body-sm {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--color-dark-secondary);
}

.text-teal {
  color: var(--color-teal);
}

.text-navy {
  color: var(--color-navy);
}

.text-center {
  text-align: center;
}

/* ----- Container ----- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  width: 100%;
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ----- Section ----- */
.section {
  padding: var(--space-20) 0;
}

.section-alt {
  background-color: var(--color-light);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-14);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-teal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-family);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn-primary:visited,
.btn-primary:hover,
.btn-primary:focus-visible {
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-navy-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--color-teal-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-navy);
}

.btn-outline:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-navy);
}

.btn-ghost:hover {
  background-color: var(--color-light);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

.btn-full {
  width: 100%;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ----- Header / Navigation ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-nav);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.header-logo img {
  height: 36px;
  width: auto;
}

.header-logo span {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
  display: none;
}

.header-nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.header-nav a {
  display: flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--color-navy);
  background-color: var(--color-light);
}

.header-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background-color: var(--color-teal);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.mobile-nav {
  display: flex;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  max-width: 85vw;
  background-color: var(--color-white);
  flex-direction: column;
  padding: calc(var(--header-height) + var(--space-6)) var(--space-6) var(--space-6);
  gap: var(--space-1);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-xl);
  z-index: 999;
  overflow-y: auto;
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav a {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background-color: var(--color-light);
  color: var(--color-navy);
}

.mobile-nav .mobile-actions {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* ----- Hero Section ----- */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-20);
  overflow: hidden;
  background-color: var(--color-white);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-content .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4) var(--space-1) var(--space-1);
  background-color: var(--color-light);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-navy);
  margin-bottom: var(--space-6);
  border: 1px solid var(--color-border);
}

.hero-badge .badge-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--color-teal);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-content h1 {
  margin-bottom: var(--space-6);
}

.hero-content .hero-description {
  font-size: clamp(var(--font-size-lg), 2vw, var(--font-size-xl));
  color: var(--color-dark-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 540px;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.btn-whatsapp {
  background: #25d366;
  color: #0a321b;
  border: 1px solid #1fbd5a;
}

.btn-whatsapp:hover,
.btn-whatsapp:focus-visible {
  background: #1fbd5a;
  color: #071f11;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.mr-diri-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: mr-diri-gentle-bounce 4s ease-in-out infinite;
}

.mr-diri-fab-label {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-navy);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-lg);
}

.mr-diri-fab-icon {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  overflow: hidden;
  border: 3px solid var(--color-white);
  border-radius: 50%;
  background: var(--color-teal);
  box-shadow: 0 8px 26px rgba(11, 61, 145, 0.3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.mr-diri-fab-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mr-diri-fab:hover .mr-diri-fab-icon,
.mr-diri-fab:focus-visible .mr-diri-fab-icon {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 10px 30px rgba(11, 61, 145, 0.38);
}

.mr-diri-fab:hover,
.mr-diri-fab:focus-visible {
  animation-play-state: paused;
}

@keyframes mr-diri-gentle-bounce {
  0%, 12%, 24%, 100% { transform: translateY(0); }
  6%, 18% { transform: translateY(-7px); }
}

@media (max-width: 640px) {
  .hero-actions .btn { width: 100%; }
  .mr-diri-fab { right: 16px; bottom: 16px; }
  .mr-diri-fab-label {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }
  .mr-diri-fab-icon { width: 58px; height: 58px; }
}

@media (prefers-reduced-motion: reduce) {
  .mr-diri-fab { animation: none; }
}

.hero-visual {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.hero-grid-item {
  background-color: var(--color-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.hero-grid-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-teal);
}

.hero-grid-item .grid-icon {
  width: 44px;
  height: 44px;
  background-color: rgba(17, 184, 184, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  color: var(--color-teal);
  font-size: var(--font-size-xl);
}

.hero-grid-item h4 {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-1);
}

.hero-grid-item p {
  font-size: var(--font-size-xs);
  color: var(--color-dark-secondary);
  line-height: var(--line-height-normal);
}

.hero-grid-item:first-child {
  grid-column: 1 / -1;
}

/* Hero decorative elements */
.hero-decor {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

.hero-decor-1 {
  width: 300px;
  height: 300px;
  background-color: rgba(11, 61, 145, 0.03);
  top: -100px;
  right: -100px;
}

.hero-decor-2 {
  width: 200px;
  height: 200px;
  background-color: rgba(17, 184, 184, 0.04);
  bottom: -50px;
  left: -50px;
}

/* ----- Feature Cards ----- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.feature-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-card .feature-icon {
  width: 52px;
  height: 52px;
  background-color: rgba(17, 184, 184, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: var(--font-size-2xl);
  color: var(--color-teal);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background-color: var(--color-teal);
  color: var(--color-white);
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

.feature-card p {
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
  line-height: var(--line-height-relaxed);
}

/* ----- Updates Section ----- */
.updates-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.update-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

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

.update-card .update-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-dark-secondary);
}

.update-meta .update-category {
  display: inline-block;
  padding: 2px var(--space-2);
  background-color: var(--color-light);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-xs);
}

.update-category.teal {
  background-color: rgba(17, 184, 184, 0.1);
  color: var(--color-teal);
}

.update-category.navy {
  background-color: rgba(11, 61, 145, 0.08);
  color: var(--color-navy);
}

.update-category.amber {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.update-card h3 {
  font-size: var(--font-size-lg);
  color: var(--color-dark);
}

.update-card p {
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
  line-height: var(--line-height-relaxed);
}

.update-card .update-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-navy);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition-fast);
  margin-top: var(--space-2);
}

.update-card .update-link:hover {
  gap: var(--space-3);
  color: var(--color-teal);
}

/* ----- Learn / Topic Cards ----- */
.topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.topic-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Thumbnail */
.topic-card .topic-image {
  height: 160px;
  width: 100%;
  background-color: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-navy);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

/* Real <img> thumbnail support */
.topic-card .topic-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.topic-card:hover .topic-image img {
  transform: scale(1.05);
}

.topic-image .topic-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    var(--color-navy) 10px,
    var(--color-navy) 11px
  );
}

.topic-card .topic-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.topic-start {
  margin-top: var(--space-5);
  width: 100%;
}

body.lesson-open {
  overflow: hidden;
}

.lesson-modal {
  align-items: stretch;
  background: var(--color-white);
  display: flex;
  inset: 0;
  padding: 0;
  position: fixed;
  z-index: 1200;
}

.lesson-modal.hidden {
  display: none;
}

.lesson-player {
  background: var(--color-white);
  height: 100dvh;
  overflow-y: auto;
  padding: var(--space-8) clamp(var(--space-5), 6vw, var(--space-16));
  width: 100%;
}

.lesson-player > * {
  margin-left: auto;
  margin-right: auto;
  max-width: 1100px;
  width: 100%;
}

.lesson-player-header {
  align-items: flex-start;
  display: flex;
  gap: var(--space-4);
  justify-content: space-between;
  padding-bottom: var(--space-2);
}

.lesson-player-header h2 {
  font-size: var(--font-size-2xl);
  margin-top: var(--space-2);
}

.lesson-close {
  align-items: center;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-navy);
  display: flex;
  flex: 0 0 auto;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  gap: var(--space-2);
  justify-content: center;
  padding: var(--space-3) var(--space-4);
  white-space: nowrap;
}

.lesson-close:hover,
.lesson-close:focus-visible {
  background: var(--color-light-alt);
}

.lesson-mode-tabs {
  background: var(--color-light);
  border-radius: var(--radius-lg);
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1fr 1fr;
  margin: var(--space-6) 0;
  padding: var(--space-2);
}

.lesson-mode {
  border-radius: var(--radius-md);
  color: var(--color-dark-secondary);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-3);
}

.lesson-mode.active {
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  color: var(--color-navy);
}

.lesson-panel.hidden {
  display: none;
}

.flashcard-jump {
  padding-bottom: var(--space-8);
}

.flashcard-jump.hidden,
.flashcard-stage.hidden {
  display: none;
}

.flashcard-grid-header {
  align-items: flex-end;
  display: flex;
  gap: var(--space-5);
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.flashcard-grid-header h3 {
  margin: var(--space-2) 0;
}

.flashcard-grid-header p {
  color: var(--color-dark-secondary);
}

.flashcard-jump-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.flashcard-jump-button {
  align-items: flex-start;
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-light));
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 230px;
  padding: var(--space-5);
  text-align: left;
}

.flashcard-jump-button span {
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-navy);
  display: flex;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  height: 26px;
  justify-content: center;
  width: 26px;
}

.flashcard-jump-button h4 {
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

.flashcard-jump-button p {
  color: rgba(255, 255, 255, 0.9);
  display: -webkit-box;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
}

.flashcard-jump-button:hover,
.flashcard-jump-button:focus-visible,
.flashcard-jump-button.active {
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-light));
  border-color: var(--color-teal);
  box-shadow: 0 0 0 2px rgba(17, 184, 184, 0.16);
  transform: translateY(-2px);
}

.flashcard-jump-button.active span {
  background: var(--color-teal);
  border-color: var(--color-teal);
  color: var(--color-white);
}

.flashcard-progress {
  align-items: center;
  color: var(--color-dark-secondary);
  display: flex;
  font-size: var(--font-size-sm);
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.flashcard-progress-track {
  background: var(--color-light-alt);
  border-radius: var(--radius-full);
  flex: 1;
  height: 8px;
  overflow: hidden;
}

.flashcard-progress-track span {
  background: var(--color-teal);
  display: block;
  height: 100%;
  transition: width var(--transition-base);
}

.flashcard {
  align-items: center;
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-light));
  border-radius: var(--radius-xl);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 300px;
  padding: var(--space-10);
  text-align: center;
  width: 100%;
}

.flashcard-side-label {
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-5);
  text-transform: uppercase;
}

.flashcard h3 {
  color: var(--color-white);
  font-size: var(--font-size-xl);
  line-height: var(--line-height-relaxed);
}

.flashcard-content {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  margin-top: var(--space-5);
  max-width: 760px;
}

.flashcard-controls {
  display: flex;
  gap: var(--space-3);
  justify-content: space-between;
  margin-top: var(--space-5);
}

.flashcard-controls .btn {
  min-width: 130px;
}

.flashcard-controls .btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.lesson-view-options {
  border-top: 1px solid var(--color-border);
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--space-6);
  padding-top: var(--space-5);
}

.lesson-view-option {
  align-items: center;
  background: var(--color-light);
  border: 2px solid rgba(8, 43, 106, 0.28);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(8, 43, 106, 0.08);
  color: var(--color-navy);
  display: flex;
  font-weight: var(--font-weight-semibold);
  gap: var(--space-3);
  justify-content: center;
  padding: var(--space-4);
}

.lesson-view-option span {
  font-size: var(--font-size-xl);
}

.lesson-view-option:hover,
.lesson-view-option:focus-visible {
  background: rgba(17, 184, 184, 0.1);
  border-color: var(--color-teal);
  box-shadow: 0 4px 12px rgba(8, 43, 106, 0.14);
}

.focus-exit {
  display: none;
}

.lesson-modal.focus-mode .lesson-player {
  overflow: hidden;
  padding: 0;
}

.lesson-modal.focus-mode .lesson-player-header,
.lesson-modal.focus-mode .lesson-mode-tabs,
.lesson-modal.focus-mode .flashcard-progress,
.lesson-modal.focus-mode .lesson-view-options {
  display: none;
}

.lesson-modal.focus-mode .lesson-panel,
.lesson-modal.focus-mode .flashcard-stage {
  height: 100%;
  max-width: none;
}

.lesson-modal.focus-mode .flashcard {
  border-radius: 0;
  height: 100dvh;
  min-height: 100dvh;
  padding: clamp(var(--space-8), 8vw, var(--space-16));
}

.lesson-modal.focus-mode .flashcard h3 {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
}

.lesson-modal.focus-mode .flashcard-content {
  font-size: clamp(var(--font-size-lg), 2vw, var(--font-size-xl));
  max-width: 900px;
}

.lesson-modal.focus-mode .flashcard-controls {
  bottom: var(--space-6);
  left: 50%;
  margin: 0;
  position: fixed;
  transform: translateX(-50%);
  width: min(560px, calc(100% - 2rem));
  z-index: 2;
}

.lesson-modal.focus-mode .flashcard-controls .btn {
  background: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-navy);
  box-shadow: var(--shadow-md);
}

.lesson-modal.focus-mode .flashcard-controls .btn:hover,
.lesson-modal.focus-mode .flashcard-controls .btn:focus-visible {
  background: var(--color-light);
  border-color: var(--color-light);
  color: var(--color-navy);
}

.lesson-modal.focus-mode .flashcard-controls .btn:disabled {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(255, 255, 255, 0.78);
  color: rgba(8, 43, 106, 0.72);
  opacity: 1;
}

.lesson-modal.focus-mode .focus-exit {
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  border-radius: var(--radius-full);
  color: var(--color-navy);
  display: flex;
  font-weight: var(--font-weight-semibold);
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  position: fixed;
  right: var(--space-5);
  top: var(--space-5);
  z-index: 3;
}

.lesson-video-wrap {
  aspect-ratio: 16 / 9;
  background: var(--color-dark);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.lesson-video-wrap iframe {
  border: 0;
  height: 100%;
  width: 100%;
}

.lesson-panel[data-lesson-panel="video"] h3 {
  margin-top: var(--space-5);
}

.lesson-video-note {
  color: var(--color-dark-secondary);
  font-size: var(--font-size-sm);
  margin-top: var(--space-2);
}

@media (max-width: 640px) {
  .lesson-modal {
    align-items: stretch;
    padding: 0;
  }

  .lesson-player {
    height: 100dvh;
    padding: var(--space-5) var(--space-4);
  }

  .lesson-player-header {
    align-items: flex-start;
    flex-direction: column-reverse;
  }

  .lesson-close {
    align-self: flex-start;
  }

  .lesson-player-header h2 {
    font-size: var(--font-size-xl);
  }

  .flashcard {
    min-height: 280px;
    padding: var(--space-6);
  }

  .flashcard-jump-grid {
    grid-template-columns: 1fr;
  }

  .flashcard-jump-button {
    min-height: 210px;
  }

  .flashcard-grid-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .lesson-view-options {
    grid-template-columns: 1fr;
  }

  .lesson-modal.focus-mode .flashcard {
    padding: var(--space-16) var(--space-5) 7rem;
  }

  .lesson-modal.focus-mode .focus-exit {
    right: var(--space-3);
    top: var(--space-3);
  }

  .flashcard h3 {
    font-size: var(--font-size-lg);
  }

  .flashcard-controls .btn {
    min-width: 0;
    padding-inline: var(--space-4);
  }
}

.topic-body .topic-tag {
  display: inline-block;
  padding: 2px var(--space-2);
  background-color: rgba(17, 184, 184, 0.1);
  color: var(--color-teal);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  align-self: flex-start;
}

.topic-body h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

.topic-body p {
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
  flex: 1;
}

.topic-body .topic-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-dark-secondary);
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-bottom: 0;
}

/* View More action button */
.topic-body .topic-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3) var(--space-5);
  background-color: var(--color-navy);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.topic-body .topic-action:hover {
  background-color: var(--color-navy-dark);
  gap: var(--space-3);
}

.topic-body .topic-action svg,
.topic-body .topic-action .arrow {
  transition: transform var(--transition-fast);
}

.topic-body .topic-action:hover .arrow {
  transform: translateX(2px);
}
/* ----- Quiz Page ----- */
.quiz-hero {
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-12);
  background-color: var(--color-navy);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.quiz-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-teal);
}

.quiz-hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.quiz-hero p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 500px;
  margin: 0 auto;
}

.quiz-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 700px;
  margin: var(--space-8) auto;
  box-shadow: var(--shadow-lg);
}

.quiz-card .quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.quiz-header .quiz-progress {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark-secondary);
}

.quiz-header .quiz-timer {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
}

.quiz-question {
  margin-bottom: var(--space-8);
}

.quiz-question h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-6);
  color: var(--color-dark);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
}

.quiz-option:hover {
  border-color: var(--color-navy);
  background-color: var(--color-light);
}

.quiz-option.selected {
  border-color: var(--color-teal);
  background-color: rgba(17, 184, 184, 0.05);
}

.quiz-option.correct {
  border-color: var(--color-success);
  background-color: rgba(16, 185, 129, 0.05);
}

.quiz-option.incorrect {
  border-color: var(--color-error);
  background-color: rgba(239, 68, 68, 0.05);
}

.quiz-option .option-letter {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-light);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
  flex-shrink: 0;
}

.quiz-option.selected .option-letter {
  background-color: var(--color-teal);
  color: var(--color-white);
}

.quiz-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* ----- Leaderboard ----- */
.leaderboard-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.leaderboard-header {
  display: grid;
  grid-template-columns: 60px 1fr 100px 80px;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-light);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-dark-secondary);
  border-bottom: 1px solid var(--color-border);
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 60px 1fr 100px 80px;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.leaderboard-row:last-child {
  border-bottom: none;
}

.leaderboard-row:hover {
  background-color: var(--color-light);
}

.leaderboard-row .rank {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-dark-secondary);
}

.leaderboard-row .rank.gold {
  color: #F59E0B;
}

.leaderboard-row .rank.silver {
  color: #9CA3AF;
}

.leaderboard-row .rank.bronze {
  color: #D97706;
}

.leaderboard-row .player {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.player .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.player .player-name {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.player .player-flag {
  font-size: var(--font-size-xs);
  color: var(--color-dark-secondary);
}

.leaderboard-row .score {
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
}

.leaderboard-row .time {
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
}

/* ----- Chatbot Page ----- */
.chatbot-container {
  max-width: 800px;
  margin: calc(var(--header-height) + var(--space-10)) auto var(--space-10);
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.chatbot-info h1 {
  margin-bottom: var(--space-3);
}

.chatbot-info p {
  margin-bottom: var(--space-4);
}

.chatbot-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chatbot-features span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-light);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark-secondary);
  border: 1px solid var(--color-border);
}

.chat-window {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.chat-window-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-navy);
  color: var(--color-white);
}

.chat-window-header .chat-avatar {
  width: 36px;
  height: 36px;
  background-color: var(--color-teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.chat-window-header .chat-name {
  font-weight: var(--font-weight-semibold);
}

.chat-window-header .chat-status {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.7);
}

.chat-messages {
  height: 400px;
  overflow-y: auto;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background-color: var(--color-light);
}

.chat-message {
  display: flex;
  gap: var(--space-3);
  max-width: 85%;
}

.chat-message.bot {
  align-self: flex-start;
}

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-message .msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.chat-message.bot .msg-avatar {
  background-color: var(--color-teal);
  color: var(--color-white);
}

.chat-message.user .msg-avatar {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.chat-message .msg-bubble {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.chat-message.bot .msg-bubble {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top-left-radius: 2px;
  color: var(--color-dark);
}

.chat-message.user .msg-bubble {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-top-right-radius: 2px;
}

.chat-message.typing .msg-bubble {
  color: var(--color-dark-secondary);
  font-style: italic;
}

.chat-message.error .msg-bubble {
  border-color: #f0a9a9;
  background: #fff5f5;
  color: #9f1d1d;
}

.msg-sources {
  border-top: 1px solid rgba(14, 70, 155, 0.15);
  display: flex;
  flex-direction: column;
  font-size: var(--font-size-xs);
  gap: 0.25rem;
  margin-top: 0.75rem;
  padding-top: 0.65rem;
}

.msg-sources span {
  color: var(--color-dark-secondary);
  font-weight: 600;
}

.msg-sources a {
  color: var(--color-primary);
  overflow-wrap: anywhere;
  text-decoration: underline;
}

.chat-message .msg-time {
  font-size: var(--font-size-xs);
  color: var(--color-dark-secondary);
  margin-top: var(--space-1);
}

.chat-window-input {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-white);
}

.chat-window-input input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast);
  font-size: var(--font-size-sm);
}

.chat-window-input input:focus {
  border-color: var(--color-navy);
}

.chat-window-input .btn {
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .chatbot-container {
    margin-top: calc(var(--header-height) + var(--space-6));
    padding-inline: var(--space-4);
    width: 100%;
  }

  .chatbot-container > div,
  .chatbot-info,
  .chat-window {
    min-width: 0;
    width: 100%;
  }

  .chatbot-info .heading-lg {
    font-size: var(--font-size-2xl);
    overflow-wrap: anywhere;
  }

  .chatbot-info .body-lg {
    font-size: var(--font-size-base);
  }

  .chatbot-features {
    gap: var(--space-2);
  }

  .chat-window-header {
    padding: var(--space-3) var(--space-4);
  }

  .chat-window-header .chat-status {
    overflow-wrap: anywhere;
  }

  .chat-messages {
    height: min(52dvh, 420px);
    min-height: 320px;
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .chat-message {
    gap: var(--space-2);
    max-width: 100%;
    min-width: 0;
  }

  .chat-message > div:last-child {
    min-width: 0;
  }

  .chat-message .msg-avatar {
    height: 28px;
    width: 28px;
  }

  .chat-message .msg-bubble {
    max-width: 100%;
    overflow-wrap: anywhere;
    padding: var(--space-2) var(--space-3);
  }

  .chat-window-input {
    gap: var(--space-2);
    padding: var(--space-3);
  }

  .chat-window-input input {
    min-width: 0;
    padding: var(--space-3);
    width: 100%;
  }

  .chat-window-input .btn {
    padding-inline: var(--space-4);
  }
}

/* ----- Auth Pages (Login / Register) ----- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + var(--space-10)) var(--space-6) var(--space-10);
  background: var(--color-light);
  position: relative;
}

.auth-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-navy), var(--color-teal));
}

.auth-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.auth-card .auth-logo {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.auth-card .auth-logo img {
  height: 40px;
}

.auth-card h1 {
  text-align: center;
  margin-bottom: var(--space-2);
}

.auth-card .auth-subtitle {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
  margin-bottom: var(--space-8);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  background-color: var(--color-white);
}

.form-input:focus {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px rgba(11, 61, 145, 0.1);
}

.form-input::placeholder {
  color: #9CA3AF;
}

.form-input.error {
  border-color: var(--color-error);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.form-group .forgot-link {
  font-size: var(--font-size-xs);
  color: var(--color-teal);
  float: right;
  margin-top: var(--space-1);
}

.form-group .forgot-link:hover {
  text-decoration: underline;
}

.auth-message {
  display: none;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.auth-message:not(:empty) {
  display: block;
}

.auth-message.success {
  color: #166534;
  background: #dcfce7;
  border: 1px solid #86efac;
}

.auth-message.error {
  color: #991b1b;
  background: #fee2e2;
  border: 1px solid #fca5a5;
}

.auth-message.info {
  color: var(--color-navy);
  background: var(--color-light-bg);
  border: 1px solid var(--color-border);
}

.auth-form button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.google-auth {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 48px;
  border: 1px solid #747775;
  border-radius: 4px;
  color: #1f1f1f;
  background: #fff;
  font-family: "Roboto", Arial, sans-serif;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.1px;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.google-auth:hover {
  border-color: #747775;
  background: #f8faff;
  box-shadow: 0 1px 2px rgba(60, 64, 67, 0.16);
}

.google-auth:focus-visible {
  outline: 2px solid #0b57d0;
  outline-offset: 2px;
}

.google-auth:disabled {
  cursor: wait;
  opacity: 0.7;
}

.google-mark {
  position: absolute;
  left: 16px;
  width: 18px;
  height: 18px;
}

/* ----- Account profile and language controls ----- */
.home-greeting {
  margin-bottom: var(--space-8);
  color: var(--color-navy);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
  letter-spacing: -0.015em;
}

.profile-page {
  min-height: 100vh;
  padding: calc(var(--header-height) + var(--space-12)) var(--space-6) var(--space-12);
  background: var(--color-light);
}

.profile-card {
  width: min(680px, 100%);
  margin: 0 auto;
  padding: var(--space-10);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.profile-heading {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.profile-avatar-wrap {
  display: grid;
  justify-items: center;
  gap: var(--space-2);
}

.profile-avatar {
  width: 104px;
  height: 104px;
  border: 3px solid var(--color-white);
  border-radius: 50%;
  background: var(--color-light);
  box-shadow: 0 0 0 2px var(--color-teal);
  object-fit: cover;
}

.profile-photo-button {
  color: var(--color-navy);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
}

.profile-form {
  display: grid;
  gap: var(--space-5);
}

.profile-logout {
  border: 1px solid var(--color-border);
  color: #b42318;
}

@media (max-width: 640px) {
  .profile-card { padding: var(--space-6); }
  .profile-heading { flex-direction: column; text-align: center; }
}

@media (max-width: 767px) {
  .header-inner {
    padding-inline: var(--space-4);
  }

  .header-logo img {
    width: auto;
    height: 32px;
    max-width: 110px;
    object-fit: contain;
  }

  .header-actions {
    flex-shrink: 0;
    gap: var(--space-1);
  }

  .header-actions > a {
    display: none;
  }

  .menu-toggle {
    display: flex;
    flex: 0 0 40px;
  }

  .home-greeting { margin-bottom: var(--space-6); }
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
}

.form-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-navy);
}

.form-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  color: var(--color-dark-secondary);
  font-size: var(--font-size-sm);
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
}

.auth-footer-text {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
  margin-top: var(--space-6);
}

.auth-footer-text a {
  color: var(--color-navy);
  font-weight: var(--font-weight-semibold);
}

.auth-footer-text a:hover {
  color: var(--color-teal);
}

/* ----- Footer ----- */
.footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-16) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

.footer-brand img {
  height: 32px;
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--line-height-relaxed);
  max-width: 320px;
}

.footer-column h4 {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-column a {
  display: block;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-teal);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--font-size-lg);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background-color: var(--color-teal);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-bottom {
  margin-top: var(--space-12);
  padding: var(--space-6) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-4);
}

.footer-bottom-links a {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-teal);
}

/* ----- CTA Section ----- */
.cta-section {
  background-color: var(--color-navy);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(17, 184, 184, 0.08) 0%, transparent 60%);
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 500px;
  margin: 0 auto var(--space-8);
}

.cta-section .btn-secondary {
  background-color: var(--color-teal);
  color: var(--color-white);
}

.cta-section .btn-outline {
  border-color: var(--color-white);
  color: var(--color-white);
}

.cta-section .btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-navy);
}

/* ----- Stats Row ----- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  padding: var(--space-16) 0;
  background-color: var(--color-white);
}

.stat-item {
  text-align: center;
}

.stat-item .stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-navy);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-item .stat-number .teal {
  color: var(--color-teal);
}

.stat-item .stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
}

/* ----- Pagination ----- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-10);
}

.pagination button {
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark-secondary);
  transition: all var(--transition-fast);
}

.pagination button:hover:not(:disabled),
.pagination button:focus-visible,
.pagination button.active {
  background-color: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

.pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.pagination button[hidden],
.pagination.hidden {
  display: none;
}

/* ----- Page Header (sub-pages) ----- */
.page-header {
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-12);
  background-color: var(--color-light);
  border-bottom: 1px solid var(--color-border);
}

.page-header-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}

.page-header h1 {
  margin-bottom: 0;
}

.page-header p {
  max-width: 500px;
}

/* ----- Page Content ----- */
.page-content {
  padding: var(--space-12) 0 var(--space-20);
}

/* ----- Search Bar ----- */
.search-bar {
  display: flex;
  gap: var(--space-3);
  max-width: 480px;
  margin-bottom: var(--space-10);
}

.search-bar input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-bar input:focus {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px rgba(11, 61, 145, 0.1);
}

.topic-card[hidden] {
  display: none;
}

.topic-search-status {
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-navy);
  font-weight: var(--font-weight-semibold);
  margin-top: var(--space-6);
  padding: var(--space-5);
  text-align: center;
}

.topic-search-status.hidden {
  display: none;
}

/* ----- Filter Tabs ----- */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.filter-tab {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.filter-tab:hover {
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.filter-tab.active {
  background-color: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

/* ----- Breadcrumbs ----- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
  margin-bottom: var(--space-6);
}

.breadcrumbs a {
  color: var(--color-dark-secondary);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--color-navy);
}

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

/* ----- Animations ----- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-in-delay-1 { transition-delay: 0.1s; }
.animate-in-delay-2 { transition-delay: 0.2s; }
.animate-in-delay-3 { transition-delay: 0.3s; }
.animate-in-delay-4 { transition-delay: 0.4s; }

/* Stagger children animation */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }

/* ----- Responsive: Tablet (768px+) ----- */
@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }

  .header-nav {
    display: flex;
  }

  .header-actions .mobile-only {
    display: none;
  }

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

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .updates-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .stats-row {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }

  .chatbot-container {
    grid-template-columns: 1fr 1fr;
  }

  .auth-card {
    padding: var(--space-12);
  }
}

/* ----- Responsive: Desktop (1024px+) ----- */
@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .updates-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .topics-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .hero-grid-item:first-child {
    grid-column: auto;
  }
}

/* ----- Utility Classes ----- */
.gap-xs { gap: var(--space-1); }
.gap-sm { gap: var(--space-2); }
.gap-md { gap: var(--space-4); }
.gap-lg { gap: var(--space-6); }
.gap-xl { gap: var(--space-8); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* ----- Scrollbar ----- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-dark-secondary);
}

/* ----- Selection ----- */
::selection {
  background-color: rgba(11, 61, 145, 0.15);
  color: var(--color-navy);
}

/* Keep the compact menu on tablets where the full account header is too wide. */
@media (min-width: 768px) and (max-width: 1100px) {
  .header-nav { display: none; }
  .menu-toggle { display: flex; flex: 0 0 40px; }
  .header-actions > a { display: none; }
}

/* =============================================
   ADMIN PANEL
   ============================================= */

/* Layout */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - var(--header-height));
  padding-top: var(--header-height);
  background-color: var(--color-light);
}

/* Sidebar */
.admin-sidebar {
  background-color: var(--color-white);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.admin-sidebar-header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.admin-sidebar-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-dark-secondary);
}

.admin-tabs {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.admin-tab {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-align: left;
  width: 100%;
  background: none;
  border: none;
}

.admin-tab:hover {
  background-color: var(--color-light);
  color: var(--color-navy);
}

.admin-tab.active {
  background-color: rgba(11, 61, 145, 0.08);
  color: var(--color-navy);
  font-weight: var(--font-weight-semibold);
}

.admin-tab svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.admin-tab.active svg {
  opacity: 1;
}

.admin-sidebar-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
}

.admin-role-badge {
  display: inline-block;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.admin-role-badge.badge-admin {
  background-color: rgba(11, 61, 145, 0.1);
  color: var(--color-navy);
}

.admin-role-badge.badge-policymaker {
  background-color: rgba(17, 184, 184, 0.1);
  color: var(--color-teal);
}

.admin-role-badge.badge-user {
  background-color: var(--color-light);
  color: var(--color-dark-secondary);
}

/* Main content */
.admin-main {
  padding: var(--space-8) var(--space-10);
  max-width: 1100px;
}

.admin-panel {
  display: none;
}

.admin-panel.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

.admin-panel-header {
  margin-bottom: var(--space-8);
}

.admin-panel-header h1 {
  margin-bottom: var(--space-2);
}

/* Stats grid */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
}

.admin-stat-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-base);
}

.admin-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-teal);
}

.admin-stat-value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-navy);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.admin-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-dark-secondary);
}

/* Toolbar */
.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.admin-search {
  flex: 1;
  min-width: 200px;
}

.admin-filters {
  display: flex;
  gap: var(--space-3);
}

/* Table */
.admin-table-container {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  padding: var(--space-4) var(--space-5);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-dark-secondary);
  background-color: var(--color-light);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  white-space: nowrap;
}

.admin-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  vertical-align: middle;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background-color: rgba(245, 249, 252, 0.5);
}

.admin-question-text {
  max-width: 350px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-action-btn {
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-3);
}

/* Category badges */
.admin-category-badge {
  display: inline-block;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

.admin-category-badge.cat-lesson {
  background-color: rgba(11, 61, 145, 0.08);
  color: var(--color-navy);
}

.admin-category-badge.cat-current_issue {
  background-color: rgba(245, 158, 11, 0.1);
  color: #92400e;
}

.admin-category-badge.cat-scenario {
  background-color: rgba(17, 184, 184, 0.1);
  color: var(--color-teal-dark);
}

.admin-category-badge.cat-hidden_check {
  background-color: rgba(239, 68, 68, 0.08);
  color: #991b1b;
}

/* Status badges */
.admin-status-badge {
  display: inline-block;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.admin-status-badge.status-active {
  background-color: rgba(16, 185, 129, 0.1);
  color: #166534;
}

.admin-status-badge.status-inactive {
  background-color: var(--color-light);
  color: var(--color-dark-secondary);
}

/* Modals */
.admin-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.admin-modal-overlay.open {
  display: flex;
}

.admin-modal {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: fadeInUp 0.2s ease;
}

.admin-modal-lg {
  max-width: 800px;
}

.admin-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.admin-modal-header h2 {
  font-size: var(--font-size-xl);
  margin: 0;
}

.admin-modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xl);
  color: var(--color-dark-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
}

.admin-modal-close:hover {
  background-color: var(--color-light);
  color: var(--color-dark);
}

.admin-modal-body {
  padding: var(--space-6) var(--space-8);
}

.admin-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  border-top: 1px solid var(--color-border);
}

.admin-modal-message {
  display: none;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin-top: var(--space-4);
}

.admin-modal-message:not(:empty) {
  display: block;
}

.admin-modal-message.error {
  color: #991b1b;
  background: #fee2e2;
  border: 1px solid #fca5a5;
}

.admin-modal-message.success {
  color: #166534;
  background: #dcfce7;
  border: 1px solid #86efac;
}

/* Week question selector */
.admin-week-questions {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  background-color: var(--color-light);
}

.admin-week-question-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.admin-week-question-item:hover {
  background-color: var(--color-white);
}

.admin-week-question-item input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--color-navy);
  flex-shrink: 0;
}

.admin-week-question-info {
  flex: 1;
  min-width: 0;
}

.admin-week-question-text {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-1);
  line-height: var(--line-height-normal);
}

/* Toast */
.admin-toast {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  z-index: 3000;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
  pointer-events: none;
}

.admin-toast.toast-visible {
  transform: translateY(0);
  opacity: 1;
}

.admin-toast.toast-success {
  background-color: var(--color-success);
}

.admin-toast.toast-error {
  background-color: var(--color-error);
}

/* Responsive admin */
@media (max-width: 767px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: relative;
    top: 0;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .admin-tabs {
    flex-direction: row;
    overflow-x: auto;
    padding: var(--space-2) var(--space-4);
  }

  .admin-tab {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .admin-main {
    padding: var(--space-6) var(--space-4);
  }

  .admin-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-filters {
    flex-wrap: wrap;
  }

  .admin-modal {
    max-width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }

  .admin-table-container {
    overflow-x: auto;
  }

  .admin-toast {
    left: var(--space-4);
    right: var(--space-4);
    bottom: var(--space-4);
    text-align: center;
  }
}
/* ---------- Page wrapper ---------- */
.article-page {
  padding-top: var(--header-height);
}

/* ---------- 1. Hero / header ---------- */
.article-header {
  background: var(--color-light);
  padding: var(--space-12) 0 var(--space-10);
  text-align: left;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: 0.8125rem;
  color: var(--color-dark-secondary);
}

.breadcrumb a {
  color: var(--color-dark-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

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

.breadcrumb-current {
  color: var(--color-dark);
  font-weight: 600;
}

/* Topic tag pill variants — base .topic-tag assumed to exist */
.topic-tag--privacy {
  background: rgba(17, 184, 184, 0.12);
  color: var(--color-teal-dark);
}

.topic-tag--online-safety {
  background: rgba(11, 61, 145, 0.10);
  color: var(--color-navy);
}

.topic-tag--rights {
  background: rgba(245, 158, 11, 0.14);
  color: #a86406;
}

.article-title {
  margin-top: var(--space-5);
  max-width: 780px;
}

.article-subtitle {
  margin-top: var(--space-4);
  max-width: 640px;
  color: var(--color-dark-secondary);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  color: var(--color-dark-secondary);
  font-size: 0.875rem;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.meta-icon {
  width: 16px;
  height: 16px;
  color: var(--color-teal-dark);
  flex-shrink: 0;
}

.meta-divider {
  color: var(--color-border);
}

/* ---------- 2. Featured banner ---------- */
.article-banner {
  margin: calc(-1 * var(--space-8)) 0 var(--space-10);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.article-banner img {
  display: block;
  width: 100%;
  height: 340px;
  object-fit: cover;
}

/* ---------- 5. Lesson progress ---------- */
.lesson-progress {
  margin-bottom: var(--space-10);
}

.lesson-progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.lesson-progress-text {
  color: var(--color-dark-secondary);
  font-weight: 600;
}

.lesson-progress-percent {
  color: var(--color-teal-dark);
  font-weight: 700;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-teal), var(--color-navy));
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

/* ---------- 3. Article body typography ---------- */
.article-body {
  padding-bottom: var(--space-16);
  color: var(--color-dark);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.article-body > p {
  margin-bottom: var(--space-6);
  color: var(--color-dark);
}

.article-body h2 {
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
}

.article-body h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.article-body ul {
  margin: 0 0 var(--space-6);
  padding-left: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.article-body ul li {
  padding-left: var(--space-1);
}

.article-body ul li::marker {
  color: var(--color-teal-dark);
}

.article-body strong {
  color: var(--color-dark);
  font-weight: 700;
}

.article-body blockquote {
  margin: var(--space-8) 0;
  padding: var(--space-2) var(--space-6);
  border-left: 3px solid var(--color-teal);
  color: var(--color-dark-secondary);
  font-style: italic;
  font-size: 1.0625rem;
}

/* ---------- Embedded figures & captions ---------- */
.article-figure {
  margin: var(--space-8) 0;
}

.article-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: block;
}

.article-figure figcaption {
  margin-top: var(--space-3);
  color: var(--color-dark-secondary);
  text-align: center;
}

/* ---------- Callout boxes ---------- */
.callout {
  margin: var(--space-8) 0;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.callout-label {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.callout p:last-child,
.callout ul:last-child {
  margin-bottom: 0;
}

/* Key takeaway: navy-led */
.callout-takeaway {
  background: rgba(11, 61, 145, 0.05);
  border-color: rgba(11, 61, 145, 0.18);
  border-left: 4px solid var(--color-navy);
}

.callout-takeaway .callout-label {
  color: var(--color-navy);
}

.callout-takeaway p {
  color: var(--color-dark);
  font-weight: 500;
}

/* Did you know / quick facts: teal-led */
.callout-facts {
  background: rgba(17, 184, 184, 0.06);
  border-color: rgba(17, 184, 184, 0.22);
  border-left: 4px solid var(--color-teal);
}

.callout-facts .callout-label {
  color: var(--color-teal-dark);
}

.callout-facts-list {
  margin: 0;
  padding-left: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.callout-facts-list li::marker {
  color: var(--color-teal-dark);
}

/* ---------- Byline ---------- */
.article-byline {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.byline-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-navy);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.byline-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.byline-name {
  font-weight: 700;
  color: var(--color-dark);
}

.byline-note {
  font-size: 0.8125rem;
  color: var(--color-dark-secondary);
}

/* ---------- 6. Related / continue learning ---------- */
.related-section {
  background: var(--color-light);
  padding: var(--space-16) 0;
}

.related-heading {
  margin-top: var(--space-2);
  margin-bottom: var(--space-8);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

/* Related cards reuse .topic-card; only body padding/meta layout added here
   in case the base class doesn't already define inner structure. */
.topic-card-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.topic-card-body .btn {
  margin-top: var(--space-3);
  align-self: flex-start;
}

.topic-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-dark-secondary);
  font-size: 0.8125rem;
  margin-bottom: var(--space-1);
}

.topic-meta-dot {
  color: var(--color-border);
}

/* ---------- 7. Back to Learn ---------- */
.back-to-learn-bar {
  position: sticky;
  bottom: 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: var(--space-4) 0;
  z-index: 20;
}

.back-to-learn-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.back-to-learn-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.back-to-learn-hint {
  color: var(--color-dark-secondary);
  display: none;
}

/* ============================================================
   Responsive breakpoints — matches site pattern: 768px, 1024px
============================================================= */

/* Tablet and up */
@media (min-width: 768px) {
  .back-to-learn-hint {
    display: inline;
  }

  .article-banner img {
    height: 400px;
  }
}

/* Desktop and up */
@media (min-width: 1024px) {
  .article-header {
    padding: var(--space-16) 0 var(--space-12);
  }

  .article-banner img {
    height: 460px;
  }

  .article-body {
    font-size: 1.125rem;
  }
}

/* Mobile (below tablet) — stack related cards, tighten spacing */
@media (max-width: 767px) {
  .article-header {
    padding: var(--space-8) 0 var(--space-6);
  }

  .article-banner {
    margin-top: calc(-1 * var(--space-4));
  }

  .article-banner img,
  .article-figure img {
    height: 220px;
  }

  .article-body {
    font-size: 1rem;
  }

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

  .callout {
    padding: var(--space-5);
  }

  .article-byline {
    flex-wrap: wrap;
  }
}
/* Newsroom CMS */
.news-editor-modal { max-width: 980px; max-height: 94vh; }
.news-editor-grid { display:grid; grid-template-columns:2fr 1fr; gap:var(--space-4); }
.news-block-heading { display:flex; align-items:flex-end; gap:var(--space-3); margin-bottom:var(--space-3); }
.news-block-heading > div:first-child { flex:1; }
.news-block-heading p { margin:4px 0 0; color:var(--color-dark-secondary); }
.news-block-heading select { width:170px; }
.news-blocks { display:flex; flex-direction:column; gap:var(--space-3); }
.news-block { padding:var(--space-4); border:1px solid var(--color-border); border-radius:var(--radius-md); background:var(--color-bg-alt); }
.news-block-toolbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:var(--space-3); color:var(--color-primary); }
.news-block-toolbar button { width:30px; height:30px; margin-left:4px; border:1px solid var(--color-border); border-radius:6px; background:white; cursor:pointer; }
.news-block-toolbar button:hover { border-color:var(--color-primary); color:var(--color-primary); }
.news-block .form-input + .form-input { margin-top:var(--space-2); }
.news-current-media { margin-top:var(--space-2); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:var(--color-dark-secondary); }
@media (max-width:700px) {
  .news-editor-grid { grid-template-columns:1fr; }
  .news-block-heading { align-items:stretch; flex-direction:column; }
  .news-block-heading select { width:100%; }
}

/* Standard news article reader */
.news-reader { min-height:70vh; padding:var(--space-10) 0 var(--space-16); background:#fff; }
.news-back { display:inline-block; margin-bottom:var(--space-6); color:var(--color-primary); font-weight:700; }
.news-reader-meta { display:flex; gap:var(--space-4); align-items:center; color:var(--color-dark-secondary); font-size:.85rem; text-transform:uppercase; letter-spacing:.06em; }
.news-reader-meta span { color:var(--color-teal-dark); font-weight:800; }
.news-reader h1 { max-width:900px; margin:var(--space-3) 0 var(--space-4); color:var(--color-navy); font-size:clamp(2.25rem,5vw,4.5rem); line-height:1.02; letter-spacing:-.045em; }
.news-reader-standfirst { max-width:800px; color:var(--color-dark-secondary); font-size:1.3rem; line-height:1.55; }
.news-reader-hero { margin:var(--space-8) 0; }
.news-reader-hero img { width:100%; max-height:570px; object-fit:cover; border-radius:var(--radius-lg); }
.news-reader-body { max-width:760px; margin:0 auto; }
.news-reader-body p { color:#26384d; font-family:Georgia,serif; font-size:1.12rem; line-height:1.85; }
.news-reader-body h2 { margin:var(--space-10) 0 var(--space-3); color:var(--color-navy); font-size:1.8rem; line-height:1.2; }
.news-reader-body figure { margin:var(--space-8) 0; }
.news-reader-body figure img { width:100%; border-radius:var(--radius-md); }
.news-reader-body figcaption { margin-top:var(--space-2); color:var(--color-dark-secondary); font-size:.85rem; }
.news-reader-body blockquote { margin:var(--space-8) 0; padding:var(--space-5) var(--space-6); border-left:4px solid var(--color-teal); background:var(--color-bg-alt); color:var(--color-navy); font-size:1.25rem; line-height:1.6; }
.news-video { position:relative; width:100%; margin:var(--space-8) 0; padding-top:56.25%; overflow:hidden; border-radius:var(--radius-md); background:#000; }
.news-video iframe { position:absolute; inset:0; width:100%; height:100%; border:0; }
.news-reader-byline { max-width:760px; margin:var(--space-10) auto 0; padding-top:var(--space-5); border-top:1px solid var(--color-border); color:var(--color-dark-secondary); }

/* ----- Partners Section ----- */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-10);
  max-width: 800px;
  margin: 0 auto;
}

.partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-10);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  min-width: 220px;
  flex: 0 1 auto;
}

.partner-card:hover {
  box-shadow: 0 8px 30px rgba(11, 61, 145, 0.1);
  transform: translateY(-2px);
}

.partner-card img {
  max-width: 180px;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(15%);
  transition: filter var(--transition-base);
}

.partner-card:hover img {
  filter: grayscale(0%);
}

.partner-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-navy);
  text-align: center;
}

@media (max-width: 640px) {
  .partners-grid {
    flex-direction: column;
    gap: var(--space-6);
  }
  .partner-card {
    min-width: 0;
    width: 100%;
    max-width: 280px;
    padding: var(--space-6);
  }
  .partner-card img {
    max-width: 150px;
    max-height: 60px;
  }
}