/* CSS Reset and Variables */
:root {
  /* Light Theme Colors */
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #e2e8f0;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  --border-color: #e2e8f0;
  --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Conservative Theme Colors */
  --conservative-primary: #dc2626;
  --conservative-bg: #fef2f2;
  --conservative-border: #fecaca;
  
  /* Progressive Theme Colors */
  --progressive-primary: #2563eb;
  --progressive-bg: #eff6ff;
  --progressive-border: #93c5fd;
  
  /* Moderate Theme Colors */
  --moderate-primary: #7c3aed;
  --moderate-bg: #f3f4f6;
  --moderate-border: #d1d5db;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #334155;
  
  --conservative-bg: #7f1d1d;
  --progressive-bg: #1e3a8a;
  --moderate-bg: #374151;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: all 0.3s ease;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

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

.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  transform: translateY(-1px);
}

/* Main Content */
.main {
  flex: 1;
  padding: var(--spacing-2xl) 0;
}

/* Hero Section */
.hero {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
}

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

.feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.feature i {
  color: var(--primary-color);
}

/* Buttons */
.cta-button, .action-button, .nav-button, .option-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  font-family: inherit;
}

.cta-button, .action-button.primary, .nav-button.primary {
  background: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-medium);
}

.cta-button:hover, .action-button.primary:hover, .nav-button.primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-large);
}

.action-button.secondary, .nav-button.secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.action-button.secondary:hover, .nav-button.secondary:hover {
  background: var(--bg-tertiary);
  transform: translateY(-1px);
}

.nav-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* About Section */
.about {
  margin: var(--spacing-2xl) 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.step {
  background: var(--bg-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-medium);
  text-align: center;
  transition: transform 0.2s ease;
}

.step:hover {
  transform: translateY(-4px);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-lg);
}

.step h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

/* Test Page Styles */
.progress-section {
  margin-bottom: var(--spacing-2xl);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.progress-header h2 {
  font-size: 1.75rem;
  font-weight: 600;
}

.progress-info {
  color: var(--text-secondary);
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: var(--radius-sm);
  transition: width 0.3s ease;
  width: 0%;
}

/* Question Styles */
.question-section {
  margin-bottom: var(--spacing-2xl);
}

.question-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-large);
  border: 1px solid var(--border-color);
}

.question-text {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-2xl);
  text-align: center;
  line-height: 1.5;
}

.question-options {
  display: grid;
  gap: var(--spacing-lg);
}

.option-button {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-align: left;
  transition: all 0.2s ease;
  min-height: 80px;
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.option-button:hover {
  border-color: var(--primary-color);
  background: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.option-button.selected {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: white;
}

.option-label {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.option-button.selected .option-label {
  background: white;
  color: var(--primary-color);
}

.option-text {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.4;
}

/* Navigation */
.navigation {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

/* Results Styles */
.results-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.results-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.results-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.results-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-large);
  margin-bottom: var(--spacing-2xl);
  border: 1px solid var(--border-color);
}

.result-badge {
  text-align: center;
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-2xl);
}

.result-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  color: white;
}

.result-icon i {
  width: 40px;
  height: 40px;
}

.result-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.result-score {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.result-description h3,
.result-characteristics h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

.explanation-text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
}

.characteristics-list {
  list-style: none;
}

.characteristics-list li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  padding-left: var(--spacing-lg);
}

.characteristics-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.characteristics-list li:last-child {
  border-bottom: none;
}

/* Result Actions */
.result-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

/* Additional Info */
.additional-info {
  margin-top: var(--spacing-2xl);
}

.info-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-color);
}

.info-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.orientation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.orientation-item {
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.orientation-item h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.orientation-item p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Ad Container */
.ad-container {
  display: flex;
  justify-content: center;
  margin: var(--spacing-2xl) 0;
  padding: var(--spacing-lg);
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg) 0;
  text-align: center;
  color: var(--text-muted);
  margin-top: auto;
}

/* Result Type Specific Styles */
.conservative {
  --primary-color: var(--conservative-primary);
  --bg-secondary: var(--conservative-bg);
  --border-color: var(--conservative-border);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
  }
  
  .hero-features {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .progress-header {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
  
  .question-text {
    font-size: 1.25rem;
  }
  
  .option-button {
    min-height: 60px;
    padding: var(--spacing-md);
  }
  
  .option-text {
    font-size: 1rem;
  }
  
  .navigation {
    flex-direction: column;
  }
  
  .result-actions {
    flex-direction: column;
  }
  
  .orientation-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .question-card {
    padding: var(--spacing-lg);
  }
  
  .results-card {
    padding: var(--spacing-lg);
  }
  
  .option-button {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
    min-height: auto;
    padding: var(--spacing-lg);
  }
  
  .option-label {
    margin: 0 auto;
  }
}

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

.question-card {
  animation: fadeIn 0.5s ease;
}

/* Focus States */
button:focus-visible,
.option-button:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Loading States */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Print Styles */
@media print {
  .header,
  .navigation,
  .ad-container,
  .footer {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .results-card,
  .info-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}