/* RevenueCat Codelab Styles */
:root {
  /* RevenueCat Brand Colors */
  --rc-primary: #F25A5A;
  --rc-primary-dark: #D94545;
  --rc-primary-light: #FF7A7A;
  --rc-secondary: #1A1A2E;
  --rc-accent: #FF6B6B;

  /* Neutral Colors */
  --color-bg: #FFFFFF;
  --color-bg-secondary: #F8F9FA;
  --color-bg-code: #1E1E2E;
  --color-text: #16171D;
  --color-text-secondary: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-border: #E5E7EB;

  /* 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;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg: #0f1419;
  --color-bg-secondary: #1a1f26;
  --color-bg-code: #0d1117;
  --color-text: #e7e9ea;
  --color-text-secondary: #8b98a5;
  --color-text-muted: #6e7681;
  --color-border: #2f3336;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text);
}

.theme-toggle .sun-icon {
  display: none;
}

.theme-toggle .moon-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

/* Dark mode header overrides */
[data-theme="dark"] .codelab-header {
  background: #0f1419;
  border-bottom-color: #2f3336;
}

[data-theme="dark"] .header-logo {
  color: #e7e9ea;
}

[data-theme="dark"] .header-nav a {
  color: #8b98a5;
}

[data-theme="dark"] .header-nav a:hover {
  color: var(--rc-primary-light);
}

[data-theme="dark"] .menu-toggle svg {
  color: #e7e9ea;
}

/* Dark mode sidebar overrides */
[data-theme="dark"] .codelab-sidebar {
  background: #0f1419;
  border-right-color: #2f3336;
}

[data-theme="dark"] .sidebar-title {
  color: #e7e9ea;
}

[data-theme="dark"] .step-nav-link {
  color: #8b98a5;
}

[data-theme="dark"] .step-nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #e7e9ea;
}

[data-theme="dark"] .step-nav-link.active {
  background: rgba(242, 90, 90, 0.15);
  color: var(--rc-primary-light);
}

[data-theme="dark"] .step-nav-link.completed .step-number {
  background: var(--rc-primary);
  color: white;
}

/* Dark mode footer overrides */
[data-theme="dark"] .codelab-footer {
  background: #1a1f26;
}

[data-theme="dark"] .footer-text {
  color: #8b98a5;
}

[data-theme="dark"] .footer-links a {
  color: #8b98a5;
}

[data-theme="dark"] .footer-links a:hover {
  color: var(--rc-primary-light);
}

/* Dark mode navigation buttons */
[data-theme="dark"] .nav-btn.prev {
  background: #1a1f26;
  color: #8b98a5;
  border-color: #2f3336;
}

[data-theme="dark"] .nav-btn.prev:hover {
  background: #2f3336;
  color: #e7e9ea;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout */
.codelab-container {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100vh;
}

@media (min-width: 900px) {
  .codelab-container {
    grid-template-columns: 280px 1fr;
  }
}

@media (min-width: 1200px) {
  .codelab-container {
    grid-template-columns: 320px 1fr;
  }
}

/* Header */
.codelab-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.95);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
}

.header-logo img {
  height: 32px;
  width: auto;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-left: auto;
}

.header-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.header-nav a:hover {
  color: var(--rc-primary);
}

/* Sidebar */
.codelab-sidebar {
  position: fixed;
  top: 64px;
  left: 0;
  bottom: 0;
  width: 280px;
  background: var(--color-bg);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  padding: var(--spacing-xl) 0;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: 90;
}

@media (min-width: 900px) {
  .codelab-sidebar {
    transform: translateX(0);
  }
}

@media (min-width: 1200px) {
  .codelab-sidebar {
    width: 320px;
  }
}

.codelab-sidebar.open {
  transform: translateX(0);
}

.sidebar-header {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.sidebar-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.sidebar-meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* Step Navigation */
.step-nav {
  list-style: none;
}

.step-nav-item {
  position: relative;
}

.step-nav-link {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.step-nav-link:hover {
  background: var(--color-bg-secondary);
}

.step-nav-link.active {
  color: var(--color-text);
  background: linear-gradient(90deg, rgba(242, 90, 90, 0.1) 0%, transparent 100%);
  transform: translateX(var(--spacing-sm));
}

.step-nav-link.completed .step-number {
  background: var(--rc-primary);
  color: white;
}

.step-number {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: all var(--transition-normal);
}

.step-nav-link.active .step-number {
  background: var(--rc-primary);
  color: white;
}

.step-title {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5rem;
}

/* Progress Bar */
.progress-container {
  padding: var(--spacing-lg);
  margin-top: auto;
}

.progress-bar {
  height: 4px;
  background: var(--color-bg-secondary);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--rc-primary), var(--rc-primary-light));
  border-radius: 2px;
  transition: width var(--transition-normal);
}

.progress-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
  text-align: center;
}

/* Main Content */
.codelab-main {
  margin-top: 64px;
  padding: var(--spacing-2xl);
}

@media (min-width: 900px) {
  .codelab-main {
    margin-left: 280px;
    padding: var(--spacing-3xl);
  }
}

@media (min-width: 1200px) {
  .codelab-main {
    margin-left: 320px;
    margin-right: 280px;
    max-width: none;
  }
}

@media (min-width: 1400px) {
  .codelab-main {
    margin-right: 320px;
  }
}

/* Right Sidebar */
.codelab-right-sidebar {
  display: none;
  position: fixed;
  top: 64px;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--color-bg);
  border-left: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  overflow-y: auto;
  z-index: 90;
}

@media (min-width: 1200px) {
  .codelab-right-sidebar {
    display: block;
  }
}

@media (min-width: 1400px) {
  .codelab-right-sidebar {
    width: 320px;
  }
}

.right-sidebar-section {
  margin-bottom: var(--spacing-xl);
}

.right-sidebar-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.right-sidebar-title svg {
  color: var(--rc-primary);
}

.right-sidebar-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.right-sidebar-links li {
  margin-bottom: var(--spacing-sm);
}

.right-sidebar-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  line-height: 1.4;
}

.right-sidebar-links a:hover {
  background: rgba(242, 90, 90, 0.1);
  color: var(--rc-primary);
}

.right-sidebar-links a svg {
  flex-shrink: 0;
  opacity: 0.5;
}

.right-sidebar-links a:hover svg {
  opacity: 1;
}

/* Dark mode right sidebar */
[data-theme="dark"] .codelab-right-sidebar {
  background: #0f1419;
  border-left-color: #2f3336;
}

[data-theme="dark"] .right-sidebar-title {
  color: #e7e9ea;
  border-bottom-color: #2f3336;
}

[data-theme="dark"] .right-sidebar-links a {
  color: #8b98a5;
  background: #1a1f26;
}

[data-theme="dark"] .right-sidebar-links a:hover {
  background: rgba(242, 90, 90, 0.15);
  color: var(--rc-primary-light);
}

/* Step Content */
.step-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.step-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.step-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.step-duration {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  background: var(--color-bg-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

/* Typography */
.step-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin: var(--spacing-xl) 0 var(--spacing-md);
}

.step-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.step-content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.step-content a {
  color: var(--rc-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.step-content a:hover {
  color: var(--rc-primary-dark);
  text-decoration: underline;
}

.step-content ul,
.step-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

.step-content li {
  margin-bottom: var(--spacing-sm);
}

.step-content strong {
  font-weight: 600;
  color: var(--color-text);
}

/* Code Blocks */
.code-block {
  position: relative;
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-code);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-lang {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--rc-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-copy {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.code-copy:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.code-copy.copied {
  background: var(--rc-primary);
  border-color: var(--rc-primary);
  color: white;
}

pre {
  margin: 0;
  padding: var(--spacing-lg);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: #D4D4D4;
  white-space: pre;
  word-wrap: normal;
}

pre code {
  font-family: var(--font-mono);
  color: #D4D4D4;
  background: transparent;
  display: block;
  white-space: pre;
}

pre code * {
  color: inherit;
}

code {
  font-family: var(--font-mono);
}

.step-content p code,
.step-content li code {
  background: rgba(242, 90, 90, 0.1);
  color: var(--rc-primary-dark);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  font-size: 0.875em;
}

[data-theme="dark"] .step-content p code,
[data-theme="dark"] .step-content li code {
  background: rgba(242, 90, 90, 0.2);
  color: var(--rc-primary-light);
}

/* Syntax Highlighting - High contrast colors for dark background (#1E1E2E) */
.token.comment { color: #7EC699; font-style: italic; }
.token.string { color: #F0A875; }
.token.keyword { color: #FF79C6; font-weight: 500; }
.token.function { color: #FFD866; }
.token.number { color: #AEF2B4; }
.token.operator { color: #F8F8F2; }
.token.class-name { color: #66E2D5; }
.token.punctuation { color: #F8F8F2; }
.token.property { color: #A4D4FF; }
.token.annotation { color: #FFD866; }

/* Additional token types for better highlighting */
.token.boolean { color: #7EB6FF; }
.token.null { color: #7EB6FF; }
.token.builtin { color: #66E2D5; }
.token.variable { color: #A4D4FF; }
.token.constant { color: #7FDBFF; }
.token.parameter { color: #A4D4FF; }
.token.type { color: #66E2D5; }
.token.tag { color: #7EB6FF; }
.token.attr-name { color: #A4D4FF; }
.token.attr-value { color: #F0A875; }

/* Images */
.step-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin: var(--spacing-lg) 0;
  box-shadow: var(--shadow-lg);
}

/* Info Boxes */
.info-box {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
  border-left: 4px solid;
}

.info-box.tip {
  background: rgba(16, 185, 129, 0.1);
  border-color: #10B981;
}

.info-box.warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: #F59E0B;
}

.info-box.note {
  background: rgba(59, 130, 246, 0.1);
  border-color: #3B82F6;
}

/* Navigation Buttons */
.step-navigation {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-btn.prev {
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}

.nav-btn.prev:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.nav-btn.next {
  background: var(--rc-primary);
  color: white;
  margin-left: auto;
}

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

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

.nav-btn svg {
  width: 16px;
  height: 16px;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  margin-right: var(--spacing-sm);
}

@media (min-width: 900px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
  color: var(--color-text);
}

/* Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 80;
}

.sidebar-overlay.active {
  display: block;
}

@media (min-width: 900px) {
  .sidebar-overlay {
    display: none !important;
  }
}

/* Footer */
.codelab-footer {
  margin-top: var(--spacing-3xl);
  padding: var(--spacing-xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  text-align: center;
}

.footer-logo {
  height: 24px;
  margin-bottom: var(--spacing-md);
}

.footer-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--rc-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Print styles */
@media print {
  .codelab-sidebar,
  .codelab-header,
  .step-navigation,
  .menu-toggle {
    display: none !important;
  }

  .codelab-main {
    margin: 0;
    padding: 0;
  }

  .step-content {
    display: block !important;
    page-break-after: always;
  }
}