/* ==========================================
   Each Directory - Dark Theme Stylesheet
   ========================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Colors - Slate/Zinc based dark theme with cyan accent */
  --color-bg-primary: #0a0a0b;
  --color-bg-secondary: #111113;
  --color-bg-tertiary: #18181b;
  --color-bg-elevated: #1f1f23;
  --color-bg-hover: #27272a;

  --color-border: #27272a;
  --color-border-subtle: #1f1f23;
  --color-border-focus: #22d3ee;

  --color-text-primary: #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;
  --color-text-muted: #52525b;

  /* Accent colors - Cyan */
  --color-accent: #22d3ee;
  --color-accent-hover: #06b6d4;
  --color-accent-subtle: rgba(34, 211, 238, 0.1);
  --color-accent-glow: rgba(34, 211, 238, 0.4);

  /* Secondary accent - Emerald for success states */
  --color-success: #34d399;
  --color-success-subtle: rgba(52, 211, 153, 0.1);

  --color-error: #f87171;
  --color-error-subtle: rgba(248, 113, 113, 0.1);

  --color-warning: #fbbf24;

  /* Gradients */
  --gradient-text: linear-gradient(135deg, #22d3ee 0%, #34d399 100%);
  --gradient-bg: linear-gradient(180deg, rgba(34, 211, 238, 0.05) 0%, transparent 50%);
  --gradient-card: linear-gradient(145deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);

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

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* Spacing */
  --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-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* 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 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(34, 211, 238, 0.15);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-popover: 400;
  --z-tooltip: 500;
}

/* View Transitions */
@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.3s;
}

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

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

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

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-tooltip);
  padding: var(--space-3) var(--space-4);
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-8);
  }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn svg {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg-primary);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow);
}

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

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

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

.btn-ghost:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.badge svg {
  width: 0.875rem;
  height: 0.875rem;
}

.badge-glow {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-color: rgba(34, 211, 238, 0.3);
}

.badge-category {
  background: var(--color-bg-elevated);
}

.badge-featured {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(251, 191, 36, 0.1));
  color: var(--color-warning);
  border-color: rgba(251, 191, 36, 0.3);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
}

.logo:hover {
  color: var(--color-text-primary);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-accent);
}

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

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-2);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-hover);
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.mobile-menu-btn svg {
  width: 1.5rem;
  height: 1.5rem;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Menu Popover */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-bg-primary);
  border: none;
  padding: var(--space-20) var(--space-4) var(--space-4);
}

.mobile-menu::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-accent);
}

/* Hero Section */
.hero {
  position: relative;
  padding: var(--space-16) 0 var(--space-24);
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-24) 0;
  }
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 150%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--color-border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-border-subtle) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 56rem;
  margin-inline: auto;
}

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

.hero-title {
  font-size: clamp(var(--text-4xl), 8vw, var(--text-6xl));
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: var(--leading-relaxed);
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: var(--text-xl);
  }
}

/* Search Form */
.search-form {
  max-width: 40rem;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2);
  transition: all var(--transition-fast);
}

.search-input-wrapper:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.search-icon {
  position: absolute;
  left: var(--space-4);
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-tertiary);
  pointer-events: none;
}

.search-input {
  flex: 1;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-12);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: transparent;
  border: none;
  outline: none;
}

.search-input::placeholder {
  color: var(--color-text-tertiary);
}

.search-btn {
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .search-btn {
    padding: var(--space-3);
  }

  .search-btn span {
    display: none;
  }
}

/* Search Results */
.search-results-container {
  max-width: 40rem;
  margin-inline: auto;
  text-align: left;
}

.search-results {
  list-style: none;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: slideDown var(--transition-normal) ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-0.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.search-result-item {
  border-bottom: 1px solid var(--color-border-subtle);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-link {
  display: block;
  padding: var(--space-4);
  transition: background var(--transition-fast);
}

.search-result-link:hover {
  background: var(--color-bg-hover);
}

.search-result-category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.search-result-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.search-result-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.search-empty {
  padding: var(--space-6);
  text-align: center;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-subtle);
  max-width: 32rem;
  margin-inline: auto;
}

@media (min-width: 640px) {
  .hero-stats {
    gap: var(--space-16);
  }
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  font-feature-settings: 'tnum';
}

@media (min-width: 640px) {
  .stat-value {
    font-size: var(--text-3xl);
  }
}

.stat-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

/* Sections */
.section {
  padding: var(--space-16) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-24) 0;
  }
}

.section-header {
  text-align: center;
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl));
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.section-cta {
  text-align: center;
  margin-top: var(--space-10);
}

/* Categories Grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .categories-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-6);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.category-card:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-text-tertiary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-text-primary);
}

.category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: var(--space-4);
  background: var(--color-accent-subtle);
  border-radius: var(--radius-lg);
  color: var(--color-accent);
  transition: all var(--transition-fast);
}

.category-card:hover .category-icon {
  background: var(--color-accent);
  color: var(--color-bg-primary);
}

.category-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.category-name {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.category-count {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

/* Featured Grid */
.featured-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .featured-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.featured-card {
  padding: var(--space-6);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
}

.featured-card:hover {
  border-color: var(--color-text-tertiary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.featured-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.featured-rating {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-warning);
}

.star-icon {
  width: 1rem;
  height: 1rem;
}

.review-count {
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.featured-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.featured-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.featured-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}

.featured-link:hover {
  color: var(--color-accent-hover);
  gap: var(--space-3);
}

.featured-link svg {
  width: 1rem;
  height: 1rem;
}

/* Steps/How It Works */
.steps-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-normal);
}

.step-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.step-number {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-bg-hover);
  line-height: 1;
}

.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: var(--space-6);
  background: var(--color-accent-subtle);
  border-radius: var(--radius-xl);
  color: var(--color-accent);
}

.step-icon svg {
  width: 1.75rem;
  height: 1.75rem;
}

.step-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.step-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* CTA Section */
.cta-section {
  padding: var(--space-8);
}

.cta-card {
  position: relative;
  padding: var(--space-12) var(--space-6);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  text-align: center;
  overflow: hidden;
}

@media (min-width: 768px) {
  .cta-card {
    padding: var(--space-16) var(--space-8);
  }
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-4);
}

.cta-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 32rem;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .cta-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.cta-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.cta-orb-1 {
  top: -20%;
  right: -10%;
  width: 40%;
  height: 60%;
  background: var(--color-accent);
}

.cta-orb-2 {
  bottom: -30%;
  left: -10%;
  width: 35%;
  height: 50%;
  background: var(--color-success);
}

/* Newsletter */
.newsletter {
  background: var(--color-bg-secondary);
}

.newsletter-content {
  text-align: center;
  max-width: 32rem;
  margin-inline: auto;
}

.newsletter-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.newsletter-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.newsletter-form {
  margin-bottom: var(--space-4);
}

.newsletter-input-group {
  display: flex;
  gap: var(--space-2);
}

.newsletter-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: all var(--transition-fast);
}

.newsletter-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.newsletter-input::placeholder {
  color: var(--color-text-tertiary);
}

.newsletter-privacy {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.form-success {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  color: var(--color-success);
  background: var(--color-success-subtle);
  border-radius: var(--radius-md);
  animation: slideDown var(--transition-normal) ease-out;
}

.form-success .icon {
  width: 1.25rem;
  height: 1.25rem;
}

.form-error {
  padding: var(--space-3);
  color: var(--color-error);
  background: var(--color-error-subtle);
  border-radius: var(--radius-md);
  animation: slideDown var(--transition-normal) ease-out;
}

/* Footer */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  max-width: 20rem;
}

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.footer-nav-title {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-copyright,
.footer-powered {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.footer-powered a {
  color: var(--color-accent);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(0, 0, 0, 0.8);
  border: none;
  z-index: var(--z-modal);
}

.modal::backdrop {
  background: rgba(0, 0, 0, 0.8);
}

.modal[popover]:popover-open {
  display: flex;
}

.modal-content {
  width: 100%;
  max-width: 32rem;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  animation: modalSlideUp var(--transition-normal) ease-out;
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.modal-title {
  font-size: var(--text-xl);
  font-weight: 700;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: none;
  color: var(--color-text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.modal-close svg {
  width: 1.25rem;
  height: 1.25rem;
}

.modal-form {
  padding: var(--space-6);
}

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

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 1.25rem;
  padding-right: var(--space-10);
}

.form-textarea {
  resize: vertical;
  min-height: 8rem;
}

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

/* Loading Indicator */
.htmx-indicator {
  display: none;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  display: inline-flex;
}

.spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Error Page */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-8);
  text-align: center;
}

.error-page h1 {
  font-size: var(--text-6xl);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.error-page p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

/* ==========================================
   ARC Credits Components
   ========================================== */

/* Credit Badge */
.credit-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-weight: 600;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.credit-badge svg {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

.credit-badge--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.credit-badge--md {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.credit-badge--lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
}

.credit-badge--inline {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

.credit-badge--button {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  cursor: pointer;
  text-decoration: none;
}

.credit-badge--button:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.credit-badge--earned {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.15), rgba(52, 211, 153, 0.15));
  color: var(--color-accent);
  border-color: rgba(34, 211, 238, 0.3);
}

.credit-badge--pricing {
  background: var(--color-bg-elevated);
  color: var(--color-warning);
  border-color: rgba(251, 191, 36, 0.3);
}

.credit-badge--glow {
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.2);
}

.credit-badge__amount {
  font-feature-settings: 'tnum';
}

.credit-badge__label {
  font-weight: 500;
  opacity: 0.8;
}

.credit-badge__period {
  opacity: 0.6;
}

/* Leaderboard */
.leaderboard-section {
  background: var(--color-bg-secondary);
}

.leaderboard-container {
  max-width: 48rem;
  margin-inline: auto;
}

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.leaderboard-entry {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.leaderboard-entry:hover {
  border-color: var(--color-text-tertiary);
  transform: translateX(4px);
}

.leaderboard-entry--rank-1 {
  border-color: #ffd700;
  background: linear-gradient(145deg, rgba(255, 215, 0, 0.05), var(--color-bg-secondary));
}

.leaderboard-entry--rank-2 {
  border-color: #c0c0c0;
  background: linear-gradient(145deg, rgba(192, 192, 192, 0.05), var(--color-bg-secondary));
}

.leaderboard-entry--rank-3 {
  border-color: #cd7f32;
  background: linear-gradient(145deg, rgba(205, 127, 50, 0.05), var(--color-bg-secondary));
}

.leaderboard-entry__rank {
  font-size: var(--text-2xl);
  font-weight: 700;
  min-width: 3rem;
  text-align: center;
  color: var(--color-text-secondary);
}

.leaderboard-entry--rank-1 .leaderboard-entry__rank {
  color: #ffd700;
}

.leaderboard-entry--rank-2 .leaderboard-entry__rank {
  color: #c0c0c0;
}

.leaderboard-entry--rank-3 .leaderboard-entry__rank {
  color: #cd7f32;
}

.leaderboard-entry__avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  overflow: hidden;
}

.leaderboard-entry__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leaderboard-entry__avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--text-lg);
}

.leaderboard-entry__info {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.leaderboard-entry__username {
  font-weight: 600;
  color: var(--color-text-primary);
}

.leaderboard-entry__credits {
  font-weight: 700;
  color: var(--color-accent);
}

.leaderboard-cta {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-xl);
}

.leaderboard-cta-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* Transaction Item */
.transaction-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.transaction-item:hover {
  background: var(--color-bg-hover);
}

.transaction-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.transaction-item--earned .transaction-item__icon {
  background: rgba(52, 211, 153, 0.15);
  color: var(--color-success);
}

.transaction-item--spent .transaction-item__icon {
  background: rgba(248, 113, 113, 0.15);
  color: var(--color-error);
}

.transaction-item__details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.transaction-item__description {
  font-weight: 600;
  color: var(--color-text-primary);
}

.transaction-item__timestamp {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.transaction-item__amount {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: 700;
  font-feature-settings: 'tnum';
}

.transaction-item--earned .transaction-item__amount {
  color: var(--color-success);
}

.transaction-item--spent .transaction-item__amount {
  color: var(--color-error);
}

/* Earning Action */
.earning-action {
  padding: var(--space-6);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
}

.earning-action:hover {
  border-color: var(--color-text-tertiary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.earning-action__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin: var(--space-3) 0 var(--space-2);
}

.earning-action__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.earning-action__btn {
  width: 100%;
}

.earning-actions-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .earning-actions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Wallet Page Styles */
.wallet-hero {
  position: relative;
  padding: var(--space-16) 0 var(--space-12);
  overflow: hidden;
}

.wallet-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.wallet-hero-gradient {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 150%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
}

.wallet-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--color-border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-border-subtle) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.wallet-hero-content {
  position: relative;
  max-width: 48rem;
  margin-inline: auto;
}

.wallet-hero-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-8);
}

.wallet-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
}

.wallet-hero-badge svg {
  width: 1rem;
  height: 1rem;
}

.wallet-hero-user {
  text-align: right;
}

.wallet-hero-username {
  display: block;
  font-weight: 700;
  color: var(--color-text-primary);
}

.wallet-hero-email {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.wallet-balance-card {
  padding: var(--space-8);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  text-align: center;
  margin-bottom: var(--space-8);
}

.wallet-balance-label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

.wallet-balance-amount {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.wallet-balance-icon {
  width: 3rem;
  height: 3rem;
  color: var(--color-accent);
}

.wallet-balance-value {
  font-size: clamp(var(--text-4xl), 8vw, var(--text-6xl));
  font-weight: 800;
  color: var(--color-text-primary);
  font-feature-settings: 'tnum';
}

.wallet-balance-currency {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.wallet-balance-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.wallet-stats {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.wallet-stat {
  padding: var(--space-4);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.wallet-stat-label {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-1);
}

.wallet-stat-value {
  display: block;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent);
  font-feature-settings: 'tnum';
}

.transactions-section {
  background: var(--color-bg-primary);
}

.transactions-container {
  max-width: 48rem;
  margin-inline: auto;
}

.transactions-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.transactions-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4);
}

.transactions-pagination-info {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.transactions-empty {
  text-align: center;
  padding: var(--space-12);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.transactions-empty svg {
  width: 4rem;
  height: 4rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
}

.transactions-empty h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.transactions-empty p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.earning-section {
  background: var(--color-bg-secondary);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
}

.nav-user__avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
}

.nav-user__avatar-placeholder {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--text-sm);
}

.nav-user__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print Styles */
@media print {
  .header,
  .hero-bg,
  .cta-section,
  .newsletter,
  .modal {
    display: none;
  }

  body {
    background: white;
    color: black;
  }
}