/* ===================================
   Thai Politics Interactive Platform
   Design System & Styles
   Parliament Theme (Neutral/Official)
   =================================== */

/* ---------- CSS Variables ---------- */
:root {
  /* Primary Colors - Parliament Maroon (Official/Neutral) */
  --color-primary: #5D3A3A;
  /* Parliament Maroon */
  --color-primary-light: #7A5252;
  /* Lighter Maroon */
  --color-primary-dark: #4A2E2E;

  /* Accent Colors */
  --color-accent: #8B6914;
  /* Dark Gold/Bronze */
  --color-accent-light: #B8860B;
  --color-accent-dark: #6B5310;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #f1f3f5;
  --color-gray-200: #e2e6e9;
  --color-gray-300: #ced4da;
  --color-gray-400: #939ea8;
  --color-gray-500: #6c7a87;
  --color-gray-600: #495057;
  --color-gray-700: #343a40;
  --color-gray-800: #212529;
  --color-gray-900: #0d1117;

  /* Semantic Colors */
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #7A5252;

  /* Gradients - Parliament Theme */
  --gradient-primary: linear-gradient(135deg, #5D3A3A 0%, #7A5252 100%);
  --gradient-accent: linear-gradient(135deg, #8B6914 0%, #B8860B 100%);
  --gradient-hero: linear-gradient(135deg, #1a1815 0%, #4A2E2E 50%, #5D3A3A 100%);
  --gradient-card: linear-gradient(145deg, rgba(93, 58, 58, 0.05) 0%, rgba(93, 58, 58, 0.02) 100%);

  /* Typography */
  --font-thai: 'Prompt', 'Noto Sans Thai', sans-serif;
  --font-english: 'Inter', sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px rgba(93, 58, 58, 0.2);
  --shadow-glow-accent: 0 0 20px rgba(139, 105, 20, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* Card effect - Light theme */
  --glass-bg: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(93, 58, 58, 0.15);
  --glass-blur: blur(10px);

  /* Text colors for light theme */
  --text-primary: #1a1815;
  --text-secondary: #5D3A3A;
  --text-muted: #6c5c5c;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-thai);
  background: var(--color-gray-50);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-primary);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-primary);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--text-primary);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-muted);
}

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

a:hover {
  color: var(--color-accent-light);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
}

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--color-white);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-thai);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--color-gray-900);
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-accent);
}

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

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

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ---------- Feature Cards ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  position: relative;
  overflow: hidden;
}

.feature-card .icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.feature-card .badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gradient-accent);
  color: var(--color-gray-900);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  background: var(--color-primary);
  border-bottom: 1px solid var(--color-primary-dark);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.navbar .logo span {
  color: var(--color-accent-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.15);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-fast);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  padding-top: calc(var(--spacing-3xl) + 80px);
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(93, 58, 58, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-title {
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

/* ---------- Stats Section ---------- */
.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

/* ---------- Category Tabs ---------- */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-2xl);
}

.category-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--color-gray-300);
  font-family: var(--font-thai);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.category-tab:hover,
.category-tab.active {
  background: var(--glass-bg);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* ---------- Progress Bar ---------- */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--glass-bg);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

/* ---------- Quiz/Game Container ---------- */
.game-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.question-card {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.question-number {
  font-size: 0.875rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.question-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ---------- Answer Options ---------- */
.options-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.option-btn {
  width: 100%;
  padding: var(--spacing-lg);
  text-align: left;
  background: var(--color-white);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: var(--font-thai);
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.option-btn:hover {
  border-color: var(--color-primary-light);
  background: rgba(93, 58, 58, 0.05);
}

.option-btn.selected {
  border-color: var(--color-accent);
  background: rgba(139, 105, 20, 0.1);
}

.option-btn.correct {
  border-color: var(--color-success);
  background: rgba(16, 185, 129, 0.1);
}

.option-btn.wrong {
  border-color: var(--color-error);
  background: rgba(239, 68, 68, 0.1);
}

/* ---------- Result Section ---------- */
.result-card {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-xl);
}

.result-icon {
  font-size: 6rem;
  margin-bottom: var(--spacing-lg);
  animation: bounce 0.6s ease;
}

@keyframes bounce {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }
}

.result-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.result-description {
  font-size: 1.25rem;
  max-width: 500px;
  margin: 0 auto var(--spacing-xl);
  color: var(--text-primary);
  line-height: 1.6;
}

.result-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.result-stat {
  text-align: center;
  padding: var(--spacing-lg);
}

.result-stat-value {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-stat-label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: var(--spacing-sm);
}

/* ---------- Share Buttons ---------- */
.share-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.share-btn.facebook {
  background: #1877f2;
  color: white;
}

.share-btn.twitter {
  background: #1da1f2;
  color: white;
}

.share-btn.line {
  background: #00b900;
  color: white;
}

.share-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

/* ---------- Poll/Vote Section ---------- */
.poll-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.poll-option {
  position: relative;
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.poll-option:hover {
  border-color: var(--color-primary-light);
}

.poll-option.voted {
  border-color: var(--color-accent);
}

.poll-option-text {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.poll-percentage {
  font-weight: 700;
  color: var(--color-accent);
}

.poll-bar {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  background: rgba(245, 158, 11, 0.1);
  transition: width var(--transition-slow);
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-normal) ease forwards;
}

.animate-slide-up {
  animation: slideUp var(--transition-slow) ease forwards;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.95);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

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

  .hero-buttons {
    flex-direction: column;
  }

  .stats {
    gap: var(--spacing-lg);
  }

  .stat-number {
    font-size: 2rem;
  }
}

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

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

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

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.mt-2xl {
  margin-top: var(--spacing-2xl);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

.mb-2xl {
  margin-bottom: var(--spacing-2xl);
}

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Feature Card with Image */
.feature-card {
  padding: 0 !important;
  /* Reset padding for image card */
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.feature-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--color-gray-100);
}

.feature-card-content {
  padding: var(--spacing-xl);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.feature-card-content h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.feature-card-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.feature-card .badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 2;
}