/* JiliCC CFD Gaming Platform - Main Stylesheet */
/* Copyright 2025 JiliCC CFD. All rights reserved. */

/* CSS Custom Properties (Variables) */
:root {
  /* Primary Colors - Dark Gray with Coral Accents */
  --ui40-primary: #262626;
  --ui40-secondary: #FA8072;
  --ui40-accent: #DAA520;
  --ui40-highlight: #FF69B4;
  --ui40-coral: #F08080;
  
  /* Neutral Colors */
  --ui40-dark: #1a1a1a;
  --ui40-light: #ffffff;
  --ui40-gray-100: #f5f5f5;
  --ui40-gray-200: #e5e5e5;
  --ui40-gray-300: #d4d4d4;
  --ui40-gray-400: #a3a3a3;
  --ui40-gray-500: #737373;
  --ui40-gray-600: #525252;
  --ui40-gray-700: #404040;
  --ui40-gray-800: #262626;
  --ui40-gray-900: #171717;
  
  /* Status Colors */
  --ui40-success: #22c55e;
  --ui40-warning: #f59e0b;
  --ui40-error: #ef4444;
  --ui40-info: #3b82f6;
  
  /* Gradients */
  --ui40-gradient-primary: linear-gradient(135deg, var(--ui40-primary), var(--ui40-secondary));
  --ui40-gradient-secondary: linear-gradient(135deg, var(--ui40-secondary), var(--ui40-accent));
  --ui40-gradient-coral: linear-gradient(135deg, var(--ui40-coral), var(--ui40-highlight));
  --ui40-gradient-dark: linear-gradient(135deg, var(--ui40-dark), var(--ui40-primary));
  
  /* Spacing Scale */
  --ui40-spacing-xs: 0.4rem;
  --ui40-spacing-sm: 0.8rem;
  --ui40-spacing-md: 1.6rem;
  --ui40-spacing-lg: 2.4rem;
  --ui40-spacing-xl: 3.2rem;
  --ui40-spacing-2xl: 4.8rem;
  
  /* Typography */
  --ui40-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ui40-font-size-xs: 1.2rem;
  --ui40-font-size-sm: 1.4rem;
  --ui40-font-size-base: 1.6rem;
  --ui40-font-size-lg: 1.8rem;
  --ui40-font-size-xl: 2.0rem;
  --ui40-font-size-2xl: 2.4rem;
  --ui40-font-size-3xl: 3.0rem;
  --ui40-font-size-4xl: 3.6rem;
  
  /* Line Heights */
  --ui40-line-height-tight: 1.25;
  --ui40-line-height-normal: 1.5;
  --ui40-line-height-relaxed: 1.75;
  
  /* Border Radius */
  --ui40-border-radius: 0.8rem;
  --ui40-border-radius-sm: 0.4rem;
  --ui40-border-radius-lg: 1.2rem;
  --ui40-border-radius-full: 50%;
  
  /* Shadows */
  --ui40-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --ui40-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --ui40-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --ui40-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --ui40-shadow-coral: 0 10px 30px rgba(250, 128, 114, 0.3);
  --ui40-shadow-golden: 0 10px 30px rgba(218, 165, 32, 0.3);
  
  /* Transitions */
  --ui40-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ui40-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index Scale */
  --ui40-z-dropdown: 1000;
  --ui40-z-sticky: 1020;
  --ui40-z-fixed: 1030;
  --ui40-z-modal-backdrop: 1040;
  --ui40-z-modal: 1050;
  --ui40-z-tooltip: 1070;
}

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

html {
  font-size: 62.5%; /* 1rem = 10px for easier calculations */
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ui40-font-family);
  font-size: var(--ui40-font-size-base);
  line-height: var(--ui40-line-height-normal);
  color: var(--ui40-gray-800);
  background-color: var(--ui40-gray-100);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Mobile-first responsive design */
@media (max-width: 430px) {
  html {
    font-size: 55%;
  }
}

/* Typography */
.ui40-h1, .ui40-h2, .ui40-h3, .ui40-h4, .ui40-h5, .ui40-h6 {
  font-weight: 700;
  line-height: var(--ui40-line-height-tight);
  color: var(--ui40-primary);
  margin-bottom: var(--ui40-spacing-sm);
}

.ui40-h1 { font-size: var(--ui40-font-size-4xl); }
.ui40-h2 { font-size: var(--ui40-font-size-3xl); }
.ui40-h3 { font-size: var(--ui40-font-size-2xl); }
.ui40-h4 { font-size: var(--ui40-font-size-xl); }
.ui40-h5 { font-size: var(--ui40-font-size-lg); }
.ui40-h6 { font-size: var(--ui40-font-size-base); }

.ui40-text-center { text-align: center; }
.ui40-text-left { text-align: left; }
.ui40-text-right { text-align: right; }

/* Container and Layout */
.ui40-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.ui40-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--ui40-spacing-md);
}

.ui40-main {
  flex: 1;
  padding: var(--ui40-spacing-lg) 0;
}

/* Grid System */
.ui40-grid {
  display: grid;
  gap: var(--ui40-spacing-md);
}

.ui40-grid-1 { grid-template-columns: 1fr; }
.ui40-grid-2 { grid-template-columns: repeat(2, 1fr); }
.ui40-grid-3 { grid-template-columns: repeat(3, 1fr); }
.ui40-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 320px) {
  .ui40-grid-2,
  .ui40-grid-3,
  .ui40-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Card Component */
.ui40-card {
  background: var(--ui40-light);
  border-radius: var(--ui40-border-radius);
  box-shadow: var(--ui40-shadow);
  overflow: hidden;
  transition: var(--ui40-transition);
}

.ui40-card:hover {
  box-shadow: var(--ui40-shadow-md);
  transform: translateY(-2px);
}

.ui40-card-header {
  padding: var(--ui40-spacing-md);
  background: var(--ui40-gradient-primary);
  color: var(--ui40-light);
}

.ui40-card-body {
  padding: var(--ui40-spacing-md);
}

.ui40-card-footer {
  padding: var(--ui40-spacing-md);
  background: var(--ui40-gray-100);
  border-top: 1px solid var(--ui40-gray-200);
}

/* Gaming Glow Effect */
.ui40-gaming-glow {
  position: relative;
  overflow: hidden;
}

.ui40-gaming-glow::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--ui40-gradient-coral);
  z-index: -1;
  border-radius: var(--ui40-border-radius);
  opacity: 0.7;
  animation: ui40-glow-pulse 2s ease-in-out infinite alternate;
}

@keyframes ui40-glow-pulse {
  0% { opacity: 0.5; }
  100% { opacity: 0.8; }
}

/* Button Components */
.ui40-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ui40-spacing-xs);
  padding: var(--ui40-spacing-sm) var(--ui40-spacing-md);
  font-family: inherit;
  font-size: var(--ui40-font-size-sm);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--ui40-border-radius);
  cursor: pointer;
  transition: var(--ui40-transition);
  min-height: 44px; /* Minimum touch target */
  white-space: nowrap;
}

.ui40-btn-primary {
  background: var(--ui40-gradient-secondary);
  color: var(--ui40-light);
  box-shadow: var(--ui40-shadow-coral);
}

.ui40-btn-primary:hover,
.ui40-btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: var(--ui40-shadow-lg);
}

.ui40-btn-secondary {
  background: var(--ui40-gradient-primary);
  color: var(--ui40-light);
}

.ui40-btn-outline {
  background: transparent;
  color: var(--ui40-primary);
  border: 2px solid var(--ui40-primary);
}

.ui40-btn-outline:hover {
  background: var(--ui40-primary);
  color: var(--ui40-light);
}

.ui40-btn-sm {
  padding: var(--ui40-spacing-xs) var(--ui40-spacing-sm);
  font-size: var(--ui40-font-size-xs);
  min-height: 36px;
}

.ui40-btn-lg {
  padding: var(--ui40-spacing-md) var(--ui40-spacing-lg);
  font-size: var(--ui40-font-size-lg);
  min-height: 52px;
}

.ui40-btn:active,
.ui40-btn.ui40-touch-active {
  transform: scale(0.98);
}

/* Header Component */
.ui40-header {
  position: sticky;
  top: 0;
  z-index: var(--ui40-z-sticky);
  background: var(--ui40-light);
  box-shadow: var(--ui40-shadow-sm);
  transition: var(--ui40-transition);
}

.ui40-header.ui40-scrolled {
  box-shadow: var(--ui40-shadow-md);
}

.ui40-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ui40-spacing-md);
  max-width: 430px;
  margin: 0 auto;
}

.ui40-logo {
  display: flex;
  align-items: center;
  gap: var(--ui40-spacing-sm);
  text-decoration: none;
  color: var(--ui40-primary);
  font-weight: 700;
  font-size: var(--ui40-font-size-lg);
}

.ui40-logo-img {
  width: 32px;
  height: 32px;
  border-radius: var(--ui40-border-radius-sm);
}

.ui40-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--ui40-spacing-sm);
}

.ui40-hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--ui40-spacing-xs);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.ui40-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ui40-primary);
  transition: var(--ui40-transition);
}

.ui40-hamburger.ui40-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.ui40-hamburger.ui40-active span:nth-child(2) {
  opacity: 0;
}

.ui40-hamburger.ui40-active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.ui40-mobile-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--ui40-light);
  z-index: var(--ui40-z-modal);
  transition: var(--ui40-transition);
  padding: var(--ui40-spacing-xl) var(--ui40-spacing-md);
  overflow-y: auto;
}

.ui40-mobile-menu.ui40-active {
  left: 0;
}

.ui40-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--ui40-z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: var(--ui40-transition);
}

.ui40-menu-overlay.ui40-active {
  opacity: 1;
  visibility: visible;
}

.ui40-menu-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ui40-menu-item {
  margin-bottom: var(--ui40-spacing-sm);
}

.ui40-nav-link {
  display: flex;
  align-items: center;
  gap: var(--ui40-spacing-sm);
  padding: var(--ui40-spacing-md);
  text-decoration: none;
  color: var(--ui40-primary);
  border-radius: var(--ui40-border-radius);
  transition: var(--ui40-transition);
  font-weight: 500;
  min-height: 44px;
}

.ui40-nav-link:hover,
.ui40-nav-link.ui40-active {
  background: var(--ui40-gradient-secondary);
  color: var(--ui40-light);
}

/* Carousel Component */
.ui40-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--ui40-border-radius);
  height: 300px;
  margin-bottom: var(--ui40-spacing-lg);
}

.ui40-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.ui40-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ui40-slide.ui40-active {
  opacity: 1;
}

.ui40-slide-content {
  text-align: center;
  color: var(--ui40-light);
  padding: var(--ui40-spacing-md);
  background: rgba(0, 0, 0, 0.5);
  border-radius: var(--ui40-border-radius);
  max-width: 90%;
}

.ui40-slide-content h1,
.ui40-slide-content h2 {
  color: var(--ui40-light);
  margin-bottom: var(--ui40-spacing-sm);
}

.ui40-dots {
  position: absolute;
  bottom: var(--ui40-spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--ui40-spacing-xs);
}

.ui40-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--ui40-transition);
}

.ui40-dot.ui40-active {
  background: var(--ui40-secondary);
  transform: scale(1.2);
}

/* Game Grid */
.ui40-games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--ui40-spacing-md);
  padding: var(--ui40-spacing-md) 0;
}

.ui40-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--ui40-primary);
  padding: var(--ui40-spacing-sm);
  border-radius: var(--ui40-border-radius);
  transition: var(--ui40-transition);
  min-height: 44px;
  justify-content: center;
}

.ui40-game-item:hover,
.ui40-game-item.ui40-touch-active {
  background: var(--ui40-gradient-coral);
  color: var(--ui40-light);
  transform: translateY(-4px);
  box-shadow: var(--ui40-shadow-coral);
}

.ui40-game-item.ui40-clicked {
  transform: scale(0.95);
}

.ui40-game-img {
  width: 60px;
  height: 60px;
  border-radius: var(--ui40-border-radius);
  margin-bottom: var(--ui40-spacing-xs);
  object-fit: cover;
  border: 2px solid transparent;
  transition: var(--ui40-transition);
}

.ui40-game-item:hover .ui40-game-img {
  border-color: var(--ui40-light);
}

.ui40-game-name {
  font-size: var(--ui40-font-size-xs);
  font-weight: 500;
  text-align: center;
  line-height: var(--ui40-line-height-tight);
}

/* Statistics Grid */
.ui40-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--ui40-spacing-md);
  margin: var(--ui40-spacing-lg) 0;
}

.ui40-stat-item {
  text-align: center;
  padding: var(--ui40-spacing-md);
  background: var(--ui40-gradient-coral);
  border-radius: var(--ui40-border-radius);
  color: var(--ui40-light);
}

.ui40-stat-number {
  font-size: var(--ui40-font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--ui40-spacing-xs);
}

.ui40-stat-label {
  font-size: var(--ui40-font-size-sm);
  opacity: 0.9;
}

/* Bottom Navigation */
.ui40-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ui40-light);
  border-top: 1px solid var(--ui40-gray-200);
  z-index: var(--ui40-z-fixed);
  box-shadow: var(--ui40-shadow-lg);
}

.ui40-bottom-nav-container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 430px;
  margin: 0 auto;
  padding: var(--ui40-spacing-xs) 0;
}

.ui40-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--ui40-gray-500);
  padding: var(--ui40-spacing-xs);
  border-radius: var(--ui40-border-radius-sm);
  transition: var(--ui40-transition);
  min-width: 44px;
  min-height: 44px;
}

.ui40-bottom-nav-item:hover,
.ui40-bottom-nav-item.ui40-active {
  color: var(--ui40-secondary);
  background: rgba(250, 128, 114, 0.1);
}

.ui40-bottom-nav-item i,
.ui40-bottom-nav-item ion-icon {
  font-size: 20px;
  margin-bottom: 2px;
}

.ui40-bottom-nav-text {
  font-size: var(--ui40-font-size-xs);
  font-weight: 500;
}

/* Footer */
.ui40-footer {
  background: var(--ui40-primary);
  color: var(--ui40-light);
  padding: var(--ui40-spacing-xl) 0 calc(var(--ui40-spacing-xl) + 60px);
  margin-top: var(--ui40-spacing-2xl);
}

.ui40-footer-content {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--ui40-spacing-md);
  text-align: center;
}

.ui40-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ui40-spacing-md);
  margin-bottom: var(--ui40-spacing-lg);
}

.ui40-footer-link {
  color: var(--ui40-light);
  text-decoration: none;
  font-size: var(--ui40-font-size-sm);
  transition: var(--ui40-transition);
  padding: var(--ui40-spacing-xs);
}

.ui40-footer-link:hover {
  color: var(--ui40-secondary);
}

.ui40-copyright {
  border-top: 1px solid var(--ui40-gray-600);
  padding-top: var(--ui40-spacing-md);
  font-size: var(--ui40-font-size-xs);
  opacity: 0.8;
  line-height: var(--ui40-line-height-relaxed);
}

/* Utility Classes */
.ui40-mb-xs { margin-bottom: var(--ui40-spacing-xs); }
.ui40-mb-sm { margin-bottom: var(--ui40-spacing-sm); }
.ui40-mb-md { margin-bottom: var(--ui40-spacing-md); }
.ui40-mb-lg { margin-bottom: var(--ui40-spacing-lg); }
.ui40-mb-xl { margin-bottom: var(--ui40-spacing-xl); }

.ui40-mt-xs { margin-top: var(--ui40-spacing-xs); }
.ui40-mt-sm { margin-top: var(--ui40-spacing-sm); }
.ui40-mt-md { margin-top: var(--ui40-spacing-md); }
.ui40-mt-lg { margin-top: var(--ui40-spacing-lg); }
.ui40-mt-xl { margin-top: var(--ui40-spacing-xl); }

.ui40-p-xs { padding: var(--ui40-spacing-xs); }
.ui40-p-sm { padding: var(--ui40-spacing-sm); }
.ui40-p-md { padding: var(--ui40-spacing-md); }
.ui40-p-lg { padding: var(--ui40-spacing-lg); }
.ui40-p-xl { padding: var(--ui40-spacing-xl); }

/* Animation Classes */
.ui40-animate {
  opacity: 0;
  transform: translateY(20px);
  transition: var(--ui40-transition);
}

.ui40-animate-in {
  opacity: 1;
  transform: translateY(0);
}

.ui40-fade-out {
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* Loading Animation */
.ui40-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(38, 38, 38, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.ui40-loading-spinner {
  text-align: center;
  color: var(--ui40-light);
}

.ui40-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(250, 128, 114, 0.3);
  border-top: 4px solid var(--ui40-secondary);
  border-radius: 50%;
  animation: ui40-spin 1s linear infinite;
  margin: 0 auto var(--ui40-spacing-md);
}

@keyframes ui40-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Lazy Loading */
.ui40-lazy {
  opacity: 0;
  transition: opacity 0.3s;
}

.ui40-loaded {
  opacity: 1;
}

/* Responsive Design Enhancements */
@media (max-width: 375px) {
  :root {
    --ui40-spacing-md: 1.2rem;
    --ui40-spacing-lg: 1.8rem;
  }
  
  .ui40-games-grid {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--ui40-spacing-sm);
  }
  
  .ui40-game-img {
    width: 50px;
    height: 50px;
  }
}

@media (max-width: 320px) {
  .ui40-nav {
    padding: var(--ui40-spacing-sm);
  }
  
  .ui40-container {
    padding: 0 var(--ui40-spacing-sm);
  }
  
  .ui40-stats-grid {
    grid-template-columns: 1fr;
  }
}

/* High DPI Display Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .ui40-game-img,
  .ui40-logo-img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Print Styles */
@media print {
  .ui40-header,
  .ui40-bottom-nav,
  .ui40-mobile-menu,
  .ui40-menu-overlay {
    display: none !important;
  }
  
  .ui40-main {
    padding: 0;
  }
  
  .ui40-card {
    box-shadow: none;
    border: 1px solid var(--ui40-gray-300);
  }
}

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

/* Focus Styles for Keyboard Navigation */
.ui40-btn:focus,
.ui40-nav-link:focus,
.ui40-game-item:focus,
.ui40-bottom-nav-item:focus {
  outline: 2px solid var(--ui40-secondary);
  outline-offset: 2px;
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
  .ui40-btn:hover,
  .ui40-game-item:hover,
  .ui40-nav-link:hover {
    transform: none;
  }
  
  .ui40-btn:active,
  .ui40-game-item:active,
  .ui40-nav-link:active {
    transform: scale(0.95);
  }
}