:root {
  /* Color palette: #4A4A4A, #DCDCDC, #0D1117, #B22222, #778899 */
  --ui0d-primary: #4A4A4A;
  --ui0d-secondary: #DCDCDC;
  --ui0d-bg: #0D1117;
  --ui0d-accent: #B22222;
  --ui0d-text: #778899;
  --ui0d-white: #ffffff;
  --ui0d-black: #000000;
  --ui0d-gray-light: #f5f5f5;
  --ui0d-gray-dark: #333333;

  /* Spacing */
  --ui0d-spacing-xs: 0.25rem;
  --ui0d-spacing-sm: 0.5rem;
  --ui0d-spacing-md: 1rem;
  --ui0d-spacing-lg: 1.5rem;
  --ui0d-spacing-xl: 2rem;
  --ui0d-spacing-xxl: 3rem;

  /* Typography */
  --ui0d-font-size-xs: 0.75rem;
  --ui0d-font-size-sm: 0.875rem;
  --ui0d-font-size-base: 1rem;
  --ui0d-font-size-lg: 1.125rem;
  --ui0d-font-size-xl: 1.25rem;
  --ui0d-font-size-2xl: 1.5rem;
  --ui0d-font-size-3xl: 1.875rem;

  /* Border radius */
  --ui0d-radius-sm: 0.25rem;
  --ui0d-radius-md: 0.5rem;
  --ui0d-radius-lg: 0.75rem;
  --ui0d-radius-xl: 1rem;

  /* Shadows */
  --ui0d-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --ui0d-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --ui0d-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --ui0d-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%; /* 1rem = 10px */
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: var(--ui0d-font-size-base);
  line-height: 1.5;
  color: var(--ui0d-secondary);
  background-color: var(--ui0d-bg);
  overflow-x: hidden;
}

/* Utility classes */
.ui0d-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--ui0d-spacing-md);
}

.ui0d-wrapper {
  min-height: 100vh;
  padding-bottom: 80px; /* Space for bottom nav */
}

.ui0d-grid {
  display: grid;
  gap: var(--ui0d-spacing-md);
}

.ui0d-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.ui0d-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.ui0d-flex {
  display: flex;
}

.ui0d-flex-col {
  flex-direction: column;
}

.ui0d-items-center {
  align-items: center;
}

.ui0d-justify-center {
  justify-content: center;
}

.ui0d-justify-between {
  justify-content: space-between;
}

.ui0d-text-center {
  text-align: center;
}

.ui0d-hidden {
  display: none;
}

/* Header styles */
.ui0d-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--ui0d-primary) 0%, var(--ui0d-gray-dark) 100%);
  padding: var(--ui0d-spacing-sm) var(--ui0d-spacing-md);
  box-shadow: var(--ui0d-shadow-md);
}

.ui0d-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 430px;
  margin: 0 auto;
}

.ui0d-logo {
  display: flex;
  align-items: center;
  gap: var(--ui0d-spacing-sm);
  text-decoration: none;
  color: var(--ui0d-white);
}

.ui0d-logo-icon {
  width: 28px;
  height: 28px;
  background: var(--ui0d-accent);
  border-radius: var(--ui0d-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: var(--ui0d-font-size-sm);
}

.ui0d-logo-text {
  font-size: var(--ui0d-font-size-lg);
  font-weight: bold;
  color: var(--ui0d-white);
}

.ui0d-header-actions {
  display: flex;
  align-items: center;
  gap: var(--ui0d-spacing-sm);
}

.ui0d-btn {
  padding: var(--ui0d-spacing-sm) var(--ui0d-spacing-md);
  border: none;
  border-radius: var(--ui0d-radius-md);
  font-size: var(--ui0d-font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 44px; /* Touch-friendly */
  display: flex;
  align-items: center;
  gap: var(--ui0d-spacing-xs);
}

.ui0d-btn-primary {
  background: var(--ui0d-accent);
  color: var(--ui0d-white);
}

.ui0d-btn-primary:hover {
  background: #8B1A1A;
  transform: translateY(-1px);
}

.ui0d-btn-secondary {
  background: var(--ui0d-text);
  color: var(--ui0d-white);
}

.ui0d-btn-secondary:hover {
  background: #5A6A7A;
  transform: translateY(-1px);
}

.ui0d-menu-toggle {
  background: none;
  border: none;
  color: var(--ui0d-white);
  font-size: var(--ui0d-font-size-xl);
  cursor: pointer;
  padding: var(--ui0d-spacing-sm);
  min-height: 44px;
}

/* Mobile menu */
.ui0d-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--ui0d-bg);
  z-index: 9999;
  transition: right 0.3s ease;
  padding: var(--ui0d-spacing-xl) var(--ui0d-spacing-md);
  overflow-y: auto;
}

.ui0d-mobile-menu.active {
  right: 0;
}

.ui0d-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.ui0d-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.ui0d-menu-close {
  position: absolute;
  top: var(--ui0d-spacing-md);
  right: var(--ui0d-spacing-md);
  background: none;
  border: none;
  color: var(--ui0d-white);
  font-size: var(--ui0d-font-size-2xl);
  cursor: pointer;
}

.ui0d-menu-nav {
  list-style: none;
  margin-top: var(--ui0d-spacing-xl);
}

.ui0d-menu-nav li {
  margin-bottom: var(--ui0d-spacing-md);
}

.ui0d-menu-nav a {
  color: var(--ui0d-secondary);
  text-decoration: none;
  font-size: var(--ui0d-font-size-lg);
  display: block;
  padding: var(--ui0d-spacing-sm) 0;
  transition: color 0.3s ease;
}

.ui0d-menu-nav a:hover {
  color: var(--ui0d-accent);
}

/* Carousel styles */
.ui0d-carousel {
  position: relative;
  margin: var(--ui0d-spacing-xl) 0;
  border-radius: var(--ui0d-radius-lg);
  overflow: hidden;
  box-shadow: var(--ui0d-shadow-lg);
}

.ui0d-carousel-container {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.ui0d-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.ui0d-carousel-slide.active {
  opacity: 1;
}

.ui0d-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ui0d-carousel-dots {
  position: absolute;
  bottom: var(--ui0d-spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--ui0d-spacing-xs);
}

.ui0d-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.ui0d-carousel-dot.active {
  background: var(--ui0d-white);
  transform: scale(1.2);
}

/* Game grid styles */
.ui0d-game-section {
  margin: var(--ui0d-spacing-xl) 0;
}

.ui0d-section-title {
  font-size: var(--ui0d-font-size-2xl);
  font-weight: bold;
  color: var(--ui0d-white);
  margin-bottom: var(--ui0d-spacing-lg);
  text-align: center;
}

.ui0d-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--ui0d-spacing-sm);
}

.ui0d-game-card {
  background: var(--ui0d-primary);
  border-radius: var(--ui0d-radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
}

.ui0d-game-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ui0d-shadow-lg);
}

.ui0d-game-image {
  width: 100%;
  height: 80px;
  object-fit: cover;
  background: var(--ui0d-gray-dark);
}

.ui0d-game-name {
  font-size: var(--ui0d-font-size-xs);
  color: var(--ui0d-white);
  text-align: center;
  padding: var(--ui0d-spacing-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Card components */
.ui0d-card {
  background: var(--ui0d-primary);
  border-radius: var(--ui0d-radius-lg);
  padding: var(--ui0d-spacing-lg);
  margin: var(--ui0d-spacing-lg) 0;
  box-shadow: var(--ui0d-shadow-md);
}

.ui0d-card-title {
  font-size: var(--ui0d-font-size-xl);
  font-weight: bold;
  color: var(--ui0d-white);
  margin-bottom: var(--ui0d-spacing-md);
}

.ui0d-card-text {
  color: var(--ui0d-secondary);
  line-height: 1.6;
  margin-bottom: var(--ui0d-spacing-md);
}

.ui0d-card-link {
  color: var(--ui0d-accent);
  text-decoration: none;
  font-weight: 500;
}

.ui0d-card-link:hover {
  text-decoration: underline;
}

/* Bottom navigation */
.ui0d-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: linear-gradient(135deg, var(--ui0d-primary) 0%, var(--ui0d-gray-dark) 100%);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: var(--ui0d-shadow-lg);
}

.ui0d-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 60px;
  color: var(--ui0d-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.ui0d-bottom-nav-item:hover,
.ui0d-bottom-nav-item.active {
  color: var(--ui0d-accent);
  transform: scale(1.05);
}

.ui0d-bottom-nav-icon {
  font-size: 24px;
  margin-bottom: 2px;
}

.ui0d-bottom-nav-text {
  font-size: var(--ui0d-font-size-xs);
  text-align: center;
}

/* Partner icons */
.ui0d-partners {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--ui0d-spacing-md);
  margin: var(--ui0d-spacing-xl) 0;
  flex-wrap: wrap;
}

.ui0d-partner-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.ui0d-partner-icon:hover {
  opacity: 1;
}

/* Footer */
.ui0d-footer {
  background: var(--ui0d-primary);
  padding: var(--ui0d-spacing-xl) var(--ui0d-spacing-md);
  margin-top: var(--ui0d-spacing-xxl);
  text-align: center;
}

.ui0d-footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--ui0d-spacing-md);
  margin-bottom: var(--ui0d-spacing-lg);
}

.ui0d-footer-links a {
  color: var(--ui0d-secondary);
  text-decoration: none;
  font-size: var(--ui0d-font-size-sm);
  transition: color 0.3s ease;
}

.ui0d-footer-links a:hover {
  color: var(--ui0d-accent);
}

.ui0d-footer-text {
  color: var(--ui0d-text);
  font-size: var(--ui0d-font-size-xs);
  margin-top: var(--ui0d-spacing-lg);
}

/* Loading animations */
.ui0d-loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--ui0d-white);
  animation: ui0d-spin 1s ease-in-out infinite;
}

@keyframes ui0d-spin {
  to { transform: rotate(360deg); }
}

.ui0d-btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

/* Responsive design */
@media (max-width: 768px) {
  .ui0d-bottom-nav {
    display: flex;
  }

  .ui0d-wrapper {
    padding-bottom: 80px;
  }
}

@media (min-width: 769px) {
  .ui0d-bottom-nav {
    display: none;
  }

  .ui0d-container {
    max-width: 1200px;
  }

  .ui0d-game-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .ui0d-carousel-container {
    height: 300px;
  }
}

/* Utility classes for spacing */
.ui0d-mt-1 { margin-top: var(--ui0d-spacing-sm); }
.ui0d-mt-2 { margin-top: var(--ui0d-spacing-md); }
.ui0d-mt-3 { margin-top: var(--ui0d-spacing-lg); }
.ui0d-mb-1 { margin-bottom: var(--ui0d-spacing-sm); }
.ui0d-mb-2 { margin-bottom: var(--ui0d-spacing-md); }
.ui0d-mb-3 { margin-bottom: var(--ui0d-spacing-lg); }
.ui0d-p-1 { padding: var(--ui0d-spacing-sm); }
.ui0d-p-2 { padding: var(--ui0d-spacing-md); }
.ui0d-p-3 { padding: var(--ui0d-spacing-lg); }

/* Text utilities */
.ui0d-text-sm { font-size: var(--ui0d-font-size-sm); }
.ui0d-text-lg { font-size: var(--ui0d-font-size-lg); }
.ui0d-text-xl { font-size: var(--ui0d-font-size-xl); }
.ui0d-font-bold { font-weight: bold; }

/* Color utilities */
.ui0d-text-primary { color: var(--ui0d-accent); }
.ui0d-text-secondary { color: var(--ui0d-secondary); }
.ui0d-text-white { color: var(--ui0d-white); }