/**
 * SuperPH22 Design System
 * Prefix: ui91
 * Color Scheme: #87CEFA (Sky Blue), #000080 (Navy), #48D1CC (Turquoise), #FF8000 (Orange), #141414 (Dark)
 */

/* CSS Variables */
:root {
  --ui91-primary: #87CEFA;
  --ui91-secondary: #000080;
  --ui91-accent: #48D1CC;
  --ui91-warning: #FF8000;
  --ui91-dark: #141414;
  --ui91-bg: #FFFFFF;
  --ui91-surface: #F8F9FA;
  --ui91-text: #2C3E50;
  --ui91-text-muted: #6C757D;
  --ui91-border: #E9ECEF;
  --ui91-shadow: rgba(20, 20, 20, 0.1);
  --ui91-shadow-lg: rgba(20, 20, 20, 0.15);
  --ui91-radius: 0.5rem;
  --ui91-radius-lg: 1rem;
  --ui91-transition: all 0.3s ease;
  --ui91-gradient-primary: linear-gradient(135deg, var(--ui91-primary), var(--ui91-secondary));
  --ui91-gradient-accent: linear-gradient(135deg, var(--ui91-accent), var(--ui91-warning));
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--ui91-text);
  background-color: var(--ui91-bg);
  overflow-x: hidden;
}

/* Typography */
.ui91-h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.ui91-h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.ui91-h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.ui91-section-description {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 65ch;
}

.ui91-text-center { text-align: center; }
.ui91-text-left { text-align: left; }
.ui91-text-right { text-align: right; }

.ui91-text-primary { color: var(--ui91-primary); }
.ui91-text-secondary { color: var(--ui91-secondary); }
.ui91-text-accent { color: var(--ui91-accent); }
.ui91-text-warning { color: var(--ui91-warning); }
.ui91-text-muted { color: var(--ui91-text-muted); }

/* Layout utilities */
.ui91-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.ui91-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.ui91-main {
  flex: 1;
  padding: 2rem 0;
}

.ui91-section {
  margin-bottom: 3rem;
}

/* Flexbox utilities */
.ui91-flex { display: flex; }
.ui91-flex-center { 
  display: flex; 
  align-items: center; 
  justify-content: center; 
}
.ui91-flex-between { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
}
.ui91-flex-column { flex-direction: column; }
.ui91-flex-wrap { flex-wrap: wrap; }

/* Grid system */
.ui91-grid {
  display: grid;
  gap: 1.5rem;
}

.ui91-grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.ui91-grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.ui91-grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Spacing utilities */
.ui91-mt-1 { margin-top: 0.5rem; }
.ui91-mt-2 { margin-top: 1rem; }
.ui91-mt-3 { margin-top: 1.5rem; }
.ui91-mb-1 { margin-bottom: 0.5rem; }
.ui91-mb-2 { margin-bottom: 1rem; }
.ui91-mb-3 { margin-bottom: 1.5rem; }

/* Buttons */
.ui91-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--ui91-radius);
  cursor: pointer;
  transition: var(--ui91-transition);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.ui91-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--ui91-shadow-lg);
}

.ui91-btn:active {
  transform: translateY(0);
}

.ui91-btn-primary {
  background: var(--ui91-gradient-primary);
  color: var(--ui91-bg);
}

.ui91-btn-secondary {
  background: var(--ui91-secondary);
  color: var(--ui91-bg);
}

.ui91-btn-accent {
  background: var(--ui91-accent);
  color: var(--ui91-bg);
}

.ui91-btn-outline {
  background: transparent;
  border: 2px solid var(--ui91-primary);
  color: var(--ui91-primary);
}

.ui91-btn-outline:hover {
  background: var(--ui91-primary);
  color: var(--ui91-bg);
}

.ui91-btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.ui91-btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Cards */
.ui91-card {
  background: var(--ui91-bg);
  border-radius: var(--ui91-radius-lg);
  box-shadow: 0 4px 20px var(--ui91-shadow);
  overflow: hidden;
  transition: var(--ui91-transition);
}

.ui91-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--ui91-shadow-lg);
}

.ui91-card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--ui91-border);
}

.ui91-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ui91-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ui91-card-body {
  padding: 1.5rem;
}

/* Header */
.ui91-header {
  background: var(--ui91-bg);
  box-shadow: 0 2px 20px var(--ui91-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.ui91-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.ui91-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ui91-secondary);
}

.ui91-logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--ui91-radius);
  overflow: hidden;
}

.ui91-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ui91-nav-desktop {
  display: flex;
  gap: 2rem;
}

.ui91-nav-link {
  text-decoration: none;
  color: var(--ui91-text);
  font-weight: 500;
  transition: var(--ui91-transition);
  position: relative;
}

.ui91-nav-link:hover,
.ui91-nav-link.ui91-text-primary {
  color: var(--ui91-primary);
}

.ui91-nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ui91-primary);
  transition: width 0.3s ease;
}

.ui91-nav-link:hover::after,
.ui91-nav-link.ui91-text-primary::after {
  width: 100%;
}

.ui91-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.ui91-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--ui91-text);
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile menu */
.ui91-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--ui91-bg);
  box-shadow: -4px 0 20px var(--ui91-shadow);
  transition: right 0.3s ease;
  z-index: 1001;
  overflow-y: auto;
}

.ui91-mobile-menu.ui91-active {
  right: 0;
}

.ui91-nav-menu {
  padding: 2rem 0;
}

.ui91-nav-item {
  padding: 0;
}

.ui91-nav-item .ui91-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  text-decoration: none;
  color: var(--ui91-text);
  font-weight: 500;
  transition: var(--ui91-transition);
}

.ui91-nav-item .ui91-nav-link:hover,
.ui91-nav-item .ui91-nav-link.ui91-text-primary {
  background: var(--ui91-surface);
  color: var(--ui91-primary);
}

/* Overlay */
.ui91-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: var(--ui91-transition);
  z-index: 999;
}

.ui91-overlay.ui91-active {
  opacity: 1;
  visibility: visible;
}

/* Loader */
.ui91-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--ui91-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.ui91-spinner {
  width: 3rem;
  height: 3rem;
  border: 4px solid var(--ui91-border);
  border-top-color: var(--ui91-primary);
  border-radius: 50%;
  animation: ui91-spin 1s linear infinite;
}

@keyframes ui91-spin {
  to { transform: rotate(360deg); }
}

/* Games grid */
.ui91-games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1.5rem;
}

.ui91-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--ui91-surface);
  border-radius: var(--ui91-radius);
  cursor: pointer;
  transition: var(--ui91-transition);
  text-align: center;
}

.ui91-game-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--ui91-shadow);
  background: var(--ui91-bg);
}

.ui91-game-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--ui91-radius);
  object-fit: cover;
  border: 2px solid var(--ui91-border);
  transition: var(--ui91-transition);
}

.ui91-game-item:hover .ui91-game-icon {
  border-color: var(--ui91-primary);
}

.ui91-game-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ui91-text);
  line-height: 1.3;
}

/* Carousel */
.ui91-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--ui91-radius-lg);
}

.ui91-slide {
  display: none;
  position: relative;
}

.ui91-slide.ui91-active {
  display: block;
}

.ui91-slide img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.ui91-slide-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: 2rem;
}

.ui91-slide-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.ui91-slide-content p {
  font-size: 1rem;
  opacity: 0.9;
}

/* Feature list */
.ui91-feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ui91-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--ui91-surface);
  border-radius: var(--ui91-radius);
  transition: var(--ui91-transition);
}

.ui91-feature-item:hover {
  background: var(--ui91-bg);
  box-shadow: 0 4px 15px var(--ui91-shadow);
}

.ui91-feature-icon {
  font-size: 1.5rem;
  color: var(--ui91-accent);
  min-width: 2rem;
  text-align: center;
}

/* Stats grid */
.ui91-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.ui91-stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--ui91-surface);
  border-radius: var(--ui91-radius);
}

.ui91-stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--ui91-primary);
  margin-bottom: 0.5rem;
}

.ui91-stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ui91-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Footer */
.ui91-footer {
  background: var(--ui91-dark);
  color: var(--ui91-bg);
  padding: 3rem 0 1rem;
  margin-top: auto;
}

.ui91-footer-content {
  text-align: center;
}

.ui91-footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.ui91-footer-link {
  color: var(--ui91-bg);
  text-decoration: none;
  font-weight: 500;
  transition: var(--ui91-transition);
}

.ui91-footer-link:hover {
  color: var(--ui91-primary);
}

.ui91-footer-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Bottom navigation */
.ui91-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ui91-bg);
  border-top: 1px solid var(--ui91-border);
  padding: 0.5rem 0;
  z-index: 1000;
}

.ui91-bottom-nav .ui91-nav-item {
  flex: 1;
  text-align: center;
}

.ui91-bottom-nav .ui91-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem;
  text-decoration: none;
  color: var(--ui91-text-muted);
  font-size: 0.75rem;
  transition: var(--ui91-transition);
}

.ui91-bottom-nav .ui91-nav-item.ui91-active .ui91-nav-link,
.ui91-bottom-nav .ui91-nav-link:hover {
  color: var(--ui91-primary);
}

.ui91-nav-icon {
  font-size: 1.25rem;
}

.ui91-nav-text {
  font-weight: 500;
}

/* Responsive design */
@media (max-width: 768px) {
  .ui91-nav-desktop {
    display: none;
  }
  
  .ui91-menu-btn {
    display: block;
  }
  
  .ui91-bottom-nav {
    display: flex;
  }
  
  .ui91-main {
    padding-bottom: 5rem;
  }
  
  .ui91-games-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
  }
  
  .ui91-game-icon {
    width: 60px;
    height: 60px;
  }
  
  .ui91-stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
  }
  
  .ui91-footer-links {
    flex-direction: column;
    gap: 1rem;
  }
  
  .ui91-header-actions .ui91-btn {
    display: none;
  }
}

@media (max-width: 480px) {
  .ui91-container {
    padding: 0 1rem;
  }
  
  .ui91-section {
    margin-bottom: 2rem;
  }
  
  .ui91-card-body,
  .ui91-card-header {
    padding: 1rem;
  }
  
  .ui91-games-grid {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  }
  
  .ui91-game-icon {
    width: 50px;
    height: 50px;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print styles */
@media print {
  .ui91-header,
  .ui91-bottom-nav,
  .ui91-mobile-menu,
  .ui91-overlay,
  .ui91-loader {
    display: none !important;
  }
  
  .ui91-main {
    padding: 0 !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --ui91-shadow: rgba(0, 0, 0, 0.3);
    --ui91-shadow-lg: rgba(0, 0, 0, 0.4);
  }
}