/**
 * KingJL Mobile-First CSS Framework
 * Optimized for Philippine gaming market
 * Prefix: ui99- for all classes
 * Color scheme: Purple, Dark Gray, Medium Slate Blue, Deep Pink, Orchid
 */

/* ===== ROOT VARIABLES ===== */
:root {
  /* Brand Colors - Purple Theme */
  --ui99-primary: #9400D3;          /* Dark Violet */
  --ui99-secondary: #7B68EE;        /* Medium Slate Blue */
  --ui99-accent: #FF1493;           /* Deep Pink */
  --ui99-highlight: #DA70D6;        /* Orchid */
  --ui99-dark: #0D1117;            /* Dark Background */

  /* Neutral Colors */
  --ui99-bg: #0D1117;
  --ui99-bg-secondary: #1C2128;
  --ui99-bg-tertiary: #2D3748;
  --ui99-text: #FFFFFF;
  --ui99-text-secondary: #E2E8F0;
  --ui99-text-muted: #A0AEC0;
  --ui99-border: #4A5568;

  /* Gradients */
  --ui99-gradient: linear-gradient(135deg, #9400D3, #7B68EE);
  --ui99-gradient-secondary: linear-gradient(135deg, #FF1493, #DA70D6);
  --ui99-gradient-dark: linear-gradient(135deg, #0D1117, #1C2128);

  /* Spacing */
  --ui99-spacing-xs: 0.25rem;
  --ui99-spacing-sm: 0.5rem;
  --ui99-spacing-md: 1rem;
  --ui99-spacing-lg: 1.5rem;
  --ui99-spacing-xl: 2rem;

  /* Typography */
  --ui99-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --ui99-font-size-xs: 0.75rem;
  --ui99-font-size-sm: 0.875rem;
  --ui99-font-size-base: 1rem;
  --ui99-font-size-lg: 1.125rem;
  --ui99-font-size-xl: 1.25rem;
  --ui99-font-size-2xl: 1.5rem;

  /* Border Radius */
  --ui99-radius-sm: 0.25rem;
  --ui99-radius-md: 0.5rem;
  --ui99-radius-lg: 0.75rem;
  --ui99-radius-xl: 1rem;

  /* Shadows */
  --ui99-shadow-sm: 0 1px 2px 0 rgba(148, 0, 211, 0.05);
  --ui99-shadow-md: 0 4px 6px -1px rgba(148, 0, 211, 0.1);
  --ui99-shadow-lg: 0 10px 15px -3px rgba(148, 0, 211, 0.1);

  /* Transitions */
  --ui99-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ui99-transition-fast: all 0.15s ease-in-out;
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--ui99-font-family);
  font-size: var(--ui99-font-size-base);
  line-height: 1.5;
  color: var(--ui99-text);
  background-color: var(--ui99-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== LAYOUT COMPONENTS ===== */
.ui99-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.ui99-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--ui99-spacing-md);
}

.ui99-main {
  flex: 1;
  padding-top: 70px; /* Header height */
  padding-bottom: 80px; /* Bottom nav height */
}

/* ===== GRID SYSTEM ===== */
.ui99-grid {
  display: grid;
  gap: var(--ui99-spacing-md);
}

.ui99-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.ui99-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.ui99-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.ui99-grid-games {
  grid-template-columns: repeat(4, 1fr);
  gap: var(--ui99-spacing-sm);
}

/* ===== FLEXBOX UTILITIES ===== */
.ui99-flex {
  display: flex;
}

.ui99-flex-col {
  display: flex;
  flex-direction: column;
  gap: var(--ui99-spacing-md);
}

.ui99-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ui99-flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ===== HEADER ===== */
.ui99-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--ui99-gradient);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ui99-border);
  height: 60px;
}

.ui99-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--ui99-spacing-md);
  max-width: 430px;
  margin: 0 auto;
}

.ui99-logo {
  display: flex;
  align-items: center;
  gap: var(--ui99-spacing-sm);
  text-decoration: none;
  color: var(--ui99-text);
  font-weight: 700;
  font-size: var(--ui99-font-size-lg);
}

.ui99-logo-img {
  width: 28px;
  height: 28px;
  border-radius: var(--ui99-radius-sm);
}

.ui99-header-actions {
  display: flex;
  align-items: center;
  gap: var(--ui99-spacing-sm);
}

/* ===== HAMBURGER MENU ===== */
.ui99-hamburger {
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--ui99-spacing-sm);
  border-radius: var(--ui99-radius-sm);
  transition: var(--ui99-transition-fast);
}

.ui99-hamburger:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.ui99-hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--ui99-text);
  transition: var(--ui99-transition-fast);
}

.ui99-hamburger.ui99-active .ui99-hamburger-line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.ui99-hamburger.ui99-active .ui99-hamburger-line:nth-child(2) {
  opacity: 0;
}

.ui99-hamburger.ui99-active .ui99-hamburger-line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* ===== MOBILE NAVIGATION ===== */
.ui99-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--ui99-transition);
}

.ui99-menu-overlay.ui99-active {
  opacity: 1;
  visibility: visible;
}

.ui99-mobile-menu {
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: var(--ui99-bg-secondary);
  border-bottom: 1px solid var(--ui99-border);
  z-index: 1000;
  transform: translateY(-100%);
  transition: var(--ui99-transition);
  max-height: calc(100vh - 140px);
  overflow-y: auto;
}

.ui99-mobile-menu.ui99-active {
  transform: translateY(0);
}

.ui99-nav-list {
  list-style: none;
  padding: var(--ui99-spacing-md);
}

.ui99-nav-item {
  margin-bottom: var(--ui99-spacing-sm);
}

.ui99-nav-link {
  display: flex;
  align-items: center;
  gap: var(--ui99-spacing-md);
  padding: var(--ui99-spacing-md);
  color: var(--ui99-text);
  text-decoration: none;
  border-radius: var(--ui99-radius-md);
  transition: var(--ui99-transition-fast);
}

.ui99-nav-link:hover {
  background-color: var(--ui99-bg-tertiary);
  color: var(--ui99-accent);
}

.ui99-nav-icon {
  font-size: var(--ui99-font-size-lg);
  color: var(--ui99-secondary);
}

/* ===== BUTTONS ===== */
.ui99-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ui99-spacing-sm);
  padding: var(--ui99-spacing-sm) var(--ui99-spacing-md);
  font-size: var(--ui99-font-size-sm);
  font-weight: 600;
  border: none;
  border-radius: var(--ui99-radius-md);
  cursor: pointer;
  transition: var(--ui99-transition-fast);
  text-decoration: none;
  min-height: 44px;
  position: relative;
  overflow: hidden;
}

.ui99-btn:active {
  transform: scale(0.98);
}

.ui99-btn-primary {
  background: var(--ui99-gradient);
  color: var(--ui99-text);
}

.ui99-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--ui99-shadow-lg);
}

.ui99-btn-secondary {
  background: var(--ui99-gradient-secondary);
  color: var(--ui99-text);
}

.ui99-btn-accent {
  background-color: var(--ui99-accent);
  color: var(--ui99-text);
}

.ui99-btn-outline {
  background: transparent;
  border: 2px solid var(--ui99-primary);
  color: var(--ui99-primary);
}

.ui99-btn-sm {
  padding: var(--ui99-spacing-xs) var(--ui99-spacing-sm);
  font-size: var(--ui99-font-size-xs);
  min-height: 36px;
}

.ui99-btn-lg {
  padding: var(--ui99-spacing-md) var(--ui99-spacing-xl);
  font-size: var(--ui99-font-size-lg);
  min-height: 52px;
}

/* ===== CARDS ===== */
.ui99-card {
  background-color: var(--ui99-bg-secondary);
  border: 1px solid var(--ui99-border);
  border-radius: var(--ui99-radius-lg);
  padding: var(--ui99-spacing-lg);
  box-shadow: var(--ui99-shadow-sm);
  transition: var(--ui99-transition-fast);
}

.ui99-card:hover {
  box-shadow: var(--ui99-shadow-md);
  border-color: var(--ui99-primary);
}

.ui99-card-compact {
  padding: var(--ui99-spacing-md);
}

.ui99-card-text {
  color: var(--ui99-text-secondary);
  line-height: 1.6;
}

/* ===== GAME COMPONENTS ===== */
.ui99-games-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--ui99-spacing-sm);
  margin: var(--ui99-spacing-md) 0;
}

.ui99-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--ui99-spacing-sm);
  border-radius: var(--ui99-radius-md);
  background-color: var(--ui99-bg-secondary);
  border: 1px solid var(--ui99-border);
  cursor: pointer;
  transition: var(--ui99-transition-fast);
  min-height: 100px;
}

.ui99-game-item:hover {
  transform: translateY(-2px);
  border-color: var(--ui99-primary);
  box-shadow: var(--ui99-shadow-md);
}

.ui99-game-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--ui99-radius-sm);
  margin-bottom: var(--ui99-spacing-xs);
  object-fit: cover;
}

.ui99-game-name {
  font-size: var(--ui99-font-size-xs);
  color: var(--ui99-text-secondary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== CAROUSEL ===== */
.ui99-carousel {
  position: relative;
  border-radius: var(--ui99-radius-lg);
  overflow: hidden;
  margin: var(--ui99-spacing-md) 0;
}

.ui99-carousel-item {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  cursor: pointer;
  transition: var(--ui99-transition-fast);
}

.ui99-carousel-item:hover {
  transform: scale(1.05);
}

/* ===== SECTIONS ===== */
.ui99-section {
  margin: var(--ui99-spacing-xl) 0;
}

.ui99-section-title {
  font-size: var(--ui99-font-size-xl);
  font-weight: 700;
  color: var(--ui99-text);
  margin-bottom: var(--ui99-spacing-lg);
  text-align: center;
  background: var(--ui99-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ui99-hero {
  text-align: center;
  padding: var(--ui99-spacing-xl) 0;
  background: var(--ui99-gradient-dark);
  border-radius: var(--ui99-radius-lg);
  margin: var(--ui99-spacing-lg) 0;
}

.ui99-hero-title {
  font-size: var(--ui99-font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--ui99-spacing-md);
  background: var(--ui99-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ui99-hero-subtitle {
  color: var(--ui99-text-secondary);
  margin-bottom: var(--ui99-spacing-lg);
  line-height: 1.6;
}

/* ===== BOTTOM NAVIGATION ===== */
.ui99-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--ui99-bg-secondary);
  border-top: 1px solid var(--ui99-border);
  height: 64px;
}

.ui99-bottom-nav-content {
  display: flex;
  max-width: 430px;
  margin: 0 auto;
  height: 100%;
}

.ui99-bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--ui99-transition-fast);
  min-height: 44px;
  padding: var(--ui99-spacing-xs);
}

.ui99-bottom-nav-item:hover {
  background-color: var(--ui99-bg-tertiary);
}

.ui99-bottom-nav-item.ui99-active {
  color: var(--ui99-primary);
}

.ui99-bottom-nav-icon {
  font-size: 24px;
  margin-bottom: 2px;
  transition: var(--ui99-transition-fast);
}

.ui99-bottom-nav-text {
  font-size: var(--ui99-font-size-xs);
  line-height: 1;
}

.ui99-bottom-nav-item.ui99-active .ui99-bottom-nav-icon {
  color: var(--ui99-primary);
  transform: scale(1.1);
}

/* ===== FOOTER ===== */
.ui99-footer {
  background-color: var(--ui99-bg-secondary);
  border-top: 1px solid var(--ui99-border);
  padding: var(--ui99-spacing-xl) 0;
  margin-top: var(--ui99-spacing-xl);
}

.ui99-footer-content {
  text-align: center;
}

.ui99-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ui99-spacing-md);
  margin-bottom: var(--ui99-spacing-lg);
}

.ui99-footer-link {
  color: var(--ui99-text-secondary);
  text-decoration: none;
  font-size: var(--ui99-font-size-sm);
  transition: var(--ui99-transition-fast);
}

.ui99-footer-link:hover {
  color: var(--ui99-primary);
}

.ui99-partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ui99-spacing-md);
  margin: var(--ui99-spacing-lg) 0;
}

.ui99-partner-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--ui99-radius-sm);
  opacity: 0.7;
  transition: var(--ui99-transition-fast);
}

.ui99-partner-icon:hover {
  opacity: 1;
  transform: scale(1.1);
}

.ui99-copyright {
  color: var(--ui99-text-muted);
  font-size: var(--ui99-font-size-xs);
  margin-top: var(--ui99-spacing-lg);
}

/* ===== UTILITIES ===== */
.ui99-text-center {
  text-align: center;
}

.ui99-text-left {
  text-align: left;
}

.ui99-text-right {
  text-align: right;
}

.ui99-mb-1 { margin-bottom: var(--ui99-spacing-xs); }
.ui99-mb-2 { margin-bottom: var(--ui99-spacing-sm); }
.ui99-mb-3 { margin-bottom: var(--ui99-spacing-md); }
.ui99-mb-4 { margin-bottom: var(--ui99-spacing-lg); }
.ui99-mb-5 { margin-bottom: var(--ui99-spacing-xl); }

.ui99-mt-1 { margin-top: var(--ui99-spacing-xs); }
.ui99-mt-2 { margin-top: var(--ui99-spacing-sm); }
.ui99-mt-3 { margin-top: var(--ui99-spacing-md); }
.ui99-mt-4 { margin-top: var(--ui99-spacing-lg); }
.ui99-mt-5 { margin-top: var(--ui99-spacing-xl); }

.ui99-hidden {
  display: none;
}

.ui99-visible {
  display: block;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 430px) {
  .ui99-container {
    padding: 0 var(--ui99-spacing-sm);
  }

  .ui99-games-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--ui99-spacing-xs);
  }

  .ui99-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .ui99-hero-title {
    font-size: var(--ui99-font-size-xl);
  }

  .ui99-btn {
    padding: var(--ui99-spacing-sm);
    font-size: var(--ui99-font-size-xs);
  }
}

/* ===== ANIMATIONS ===== */
@keyframes ui99-fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ui99-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.ui99-animate-fade-in {
  animation: ui99-fadeIn 0.6s ease-out;
}

.ui99-animate-pulse {
  animation: ui99-pulse 2s infinite;
}

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

.ui99-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;
}

/* ===== LOADING STATES ===== */
.ui99-loading {
  position: relative;
  overflow: hidden;
}

.ui99-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: ui99-loading 1.5s infinite;
}

@keyframes ui99-loading {
  to {
    left: 100%;
  }
}

/* ===== MOBILE DEVICE OPTIMIZATIONS ===== */
.ui99-mobile-device .ui99-btn {
  min-height: 48px;
  padding: var(--ui99-spacing-md);
}

.ui99-mobile-device .ui99-game-item {
  min-height: 110px;
  padding: var(--ui99-spacing-md);
}

.ui99-mobile-device .ui99-bottom-nav-item {
  min-height: 56px;
}