/* OKFun PH Layout Styles */
/* All classes use prefix v271- to avoid conflicts */

/* CSS Variables */
:root {
  --v271-primary: #E65100;
  --v271-secondary: #0000CD;
  --v271-accent: #FFCCCB;
  --v271-bg: #1A1A1A;
  --v271-surface: #2A2A2A;
  --v271-text: #FFFFFF;
  --v271-text-secondary: #CCCCCC;
  --v271-border: #444444;
  --v271-highlight: #87CEEB;
  --v271-success: #4CAF50;
  --v271-warning: #FF9800;
  --v271-error: #F44336;

  /* Typography */
  --v271-font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --v271-font-size-xs: 1rem; /* 10px */
  --v271-font-size-sm: 1.2rem; /* 12px */
  --v271-font-size-base: 1.4rem; /* 14px */
  --v271-font-size-lg: 1.6rem; /* 16px */
  --v271-font-size-xl: 1.8rem; /* 18px */
  --v271-font-size-2xl: 2rem; /* 20px */
  --v271-font-size-3xl: 2.4rem; /* 24px */
  --v271-font-size-4xl: 3.2rem; /* 32px */

  /* Spacing */
  --v271-spacing-xs: 0.5rem;
  --v271-spacing-sm: 1rem;
  --v271-spacing-base: 1.5rem;
  --v271-spacing-lg: 2rem;
  --v271-spacing-xl: 3rem;
  --v271-spacing-2xl: 4rem;

  /* Transitions */
  --v271-transition-fast: 0.15s ease;
  --v271-transition-normal: 0.3s ease;
  --v271-transition-slow: 0.5s ease;

  /* Shadows */
  --v271-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --v271-shadow-md: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
  --v271-shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
}

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--v271-font-primary);
  font-size: var(--v271-font-size-base);
  line-height: 1.5;
  color: var(--v271-text);
  background-color: var(--v271-bg);
  overflow-x: hidden;
}

/* Container */
.v271-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--v271-spacing-sm);
}

.v271-wrapper {
  min-height: 100vh;
  padding-bottom: 8rem; /* Space for bottom nav */
}

/* Header */
.v271-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--v271-primary) 0%, var(--v271-secondary) 100%);
  box-shadow: var(--v271-shadow-md);
}

.v271-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--v271-spacing-sm);
  max-width: 430px;
  margin: 0 auto;
}

.v271-logo {
  display: flex;
  align-items: center;
  gap: var(--v271-spacing-xs);
  text-decoration: none;
  color: var(--v271-text);
  font-weight: bold;
  font-size: var(--v271-font-size-lg);
}

.v271-logo img {
  width: 24px;
  height: 24px;
}

.v271-header-actions {
  display: flex;
  gap: var(--v271-spacing-xs);
}

.v271-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--v271-spacing-xs) var(--v271-spacing-sm);
  border: none;
  border-radius: 0.5rem;
  font-size: var(--v271-font-size-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--v271-transition-fast);
  min-height: 44px; /* Touch-friendly height */
}

.v271-btn-primary {
  background-color: var(--v271-accent);
  color: var(--v271-bg);
  box-shadow: var(--v271-shadow-sm);
}

.v271-btn-primary:hover {
  background-color: #FFB3B2;
  transform: translateY(-1px);
  box-shadow: var(--v271-shadow-md);
}

.v271-btn-secondary {
  background-color: transparent;
  color: var(--v271-text);
  border: 2px solid var(--v271-text);
}

.v271-btn-secondary:hover {
  background-color: var(--v271-text);
  color: var(--v271-bg);
}

.v271-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--v271-spacing-xs);
  min-height: 44px;
}

.v271-menu-toggle span {
  width: 20px;
  height: 2px;
  background-color: var(--v271-text);
  transition: all var(--v271-transition-fast);
}

.v271-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.v271-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.v271-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.v271-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background-color: var(--v271-surface);
  z-index: 9999;
  transition: right var(--v271-transition-normal);
  overflow-y: auto;
  box-shadow: var(--v271-shadow-lg);
}

.v271-mobile-menu.active {
  right: 0;
}

.v271-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--v271-transition-normal);
}

.v271-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.v271-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--v271-spacing-sm);
  background: linear-gradient(135deg, var(--v271-primary) 0%, var(--v271-secondary) 100%);
}

.v271-menu-close {
  background: none;
  border: none;
  color: var(--v271-text);
  font-size: var(--v271-font-size-2xl);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

.v271-menu-nav {
  padding: var(--v271-spacing-sm);
}

.v271-menu-nav ul {
  list-style: none;
}

.v271-menu-nav li {
  border-bottom: 1px solid var(--v271-border);
}

.v271-menu-nav a {
  display: block;
  padding: var(--v271-spacing-sm);
  color: var(--v271-text);
  text-decoration: none;
  transition: all var(--v271-transition-fast);
}

.v271-menu-nav a:hover,
.v271-menu-nav a.active {
  background-color: var(--v271-primary);
  color: var(--v271-text);
}

/* Main Content */
.v271-main {
  padding-top: 6rem; /* Space for fixed header */
  min-height: 100vh;
}

/* Carousel */
.v271-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  margin-bottom: var(--v271-spacing-lg);
}

.v271-carousel-container {
  display: flex;
  transition: transform var(--v271-transition-normal);
}

.v271-carousel-slide {
  min-width: 100%;
  opacity: 0;
  transition: opacity var(--v271-transition-normal);
}

.v271-carousel-slide.active {
  opacity: 1;
}

.v271-carousel-slide img {
  width: 100%;
  height: auto;
  display: block;
  cursor: pointer;
}

.v271-carousel-indicators {
  position: absolute;
  bottom: var(--v271-spacing-sm);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--v271-spacing-xs);
}

.v271-carousel-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--v271-transition-fast);
}

.v271-carousel-indicator.active {
  background-color: var(--v271-accent);
  transform: scale(1.2);
}

/* Game Grid */
.v271-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--v271-spacing-sm);
  margin-bottom: var(--v271-spacing-lg);
}

.v271-game-card {
  position: relative;
  background-color: var(--v271-surface);
  border-radius: 0.5rem;
  overflow: hidden;
  transition: all var(--v271-transition-fast);
  cursor: pointer;
}

.v271-game-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--v271-shadow-md);
}

.v271-game-card img {
  width: 100%;
  height: auto;
  display: block;
}

.v271-game-title {
  padding: var(--v271-spacing-xs);
  font-size: var(--v271-font-size-xs);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--v271-text-secondary);
}

/* Section Styles */
.v271-section {
  margin-bottom: var(--v271-spacing-xl);
}

.v271-section-title {
  font-size: var(--v271-font-size-2xl);
  font-weight: bold;
  margin-bottom: var(--v271-spacing-base);
  color: var(--v271-accent);
}

.v271-section-subtitle {
  font-size: var(--v271-font-size-lg);
  font-weight: 600;
  margin-bottom: var(--v271-spacing-sm);
  color: var(--v271-highlight);
}

/* Card */
.v271-card {
  background-color: var(--v271-surface);
  border-radius: 1rem;
  padding: var(--v271-spacing-base);
  margin-bottom: var(--v271-spacing-base);
  box-shadow: var(--v271-shadow-sm);
}

/* Typography */
.v271-text-center {
  text-align: center;
}

.v271-text-primary {
  color: var(--v271-accent);
}

.v271-text-secondary {
  color: var(--v271-text-secondary);
}

.v271-text-highlight {
  color: var(--v271-highlight);
}

/* Buttons */
.v271-btn-block {
  display: block;
  width: 100%;
}

.v271-btn-large {
  padding: var(--v271-spacing-sm) var(--v271-spacing-lg);
  font-size: var(--v271-font-size-lg);
}

/* Bottom Navigation */
.v271-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--v271-primary) 0%, var(--v271-secondary) 100%);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
  display: flex;
  justify-content: space-around;
  padding: var(--v271-spacing-xs) 0;
}

@media (min-width: 769px) {
  .v271-bottom-nav {
    display: none;
  }
}

.v271-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 60px;
  padding: var(--v271-spacing-xs);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all var(--v271-transition-fast);
  cursor: pointer;
  border: none;
  background: none;
}

.v271-bottom-nav-item:hover,
.v271-bottom-nav-item.active {
  color: var(--v271-accent);
  transform: translateY(-2px);
}

.v271-bottom-nav-item i {
  font-size: 2.4rem;
  margin-bottom: 0.2rem;
}

.v271-bottom-nav-item span {
  font-size: var(--v271-font-size-xs);
  text-align: center;
}

/* Footer */
.v271-footer {
  background-color: var(--v271-surface);
  padding: var(--v271-spacing-lg) 0;
  margin-top: var(--v271-spacing-2xl);
}

.v271-footer-content {
  text-align: center;
}

.v271-partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--v271-spacing-sm);
  margin-bottom: var(--v271-spacing-lg);
}

.v271-partner-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  opacity: 0.7;
  transition: opacity var(--v271-transition-fast);
}

.v271-partner-icon:hover {
  opacity: 1;
}

.v271-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--v271-spacing-base);
  margin-bottom: var(--v271-spacing-base);
}

.v271-footer-links a {
  color: var(--v271-text-secondary);
  text-decoration: none;
  font-size: var(--v271-font-size-sm);
  transition: color var(--v271-transition-fast);
}

.v271-footer-links a:hover {
  color: var(--v271-accent);
}

.v271-copyright {
  color: var(--v271-text-secondary);
  font-size: var(--v271-font-size-xs);
}

/* Utility Classes */
.v271-mb-0 { margin-bottom: 0; }
.v271-mb-sm { margin-bottom: var(--v271-spacing-sm); }
.v271-mb-base { margin-bottom: var(--v271-spacing-base); }
.v271-mb-lg { margin-bottom: var(--v271-spacing-lg); }

.v271-mt-0 { margin-top: 0; }
.v271-mt-sm { margin-top: var(--v271-spacing-sm); }
.v271-mt-base { margin-top: var(--v271-spacing-base); }
.v271-mt-lg { margin-top: var(--v271-spacing-lg); }

.v271-p-0 { padding: 0; }
.v271-p-sm { padding: var(--v271-spacing-sm); }
.v271-p-base { padding: var(--v271-spacing-base); }
.v271-p-lg { padding: var(--v271-spacing-lg); }

.v271-d-none { display: none; }
.v271-d-block { display: block; }
.v271-d-flex { display: flex; }
.v271-d-grid { display: grid; }

/* Responsive Design */
@media (max-width: 768px) {
  .v271-main {
    padding-bottom: 8rem; /* Space for bottom nav */
  }

  .v271-game-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .v271-game-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 769px) {
  .v271-container {
    padding: 0 var(--v271-spacing-base);
  }
}

/* Animations */
@keyframes v271-fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.v271-fade-in {
  animation: v271-fadeIn 0.3s ease-out;
}

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

/* Focus styles */
.v271-btn:focus,
.v271-bottom-nav-item:focus,
a:focus {
  outline: 2px solid var(--v271-accent);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --v271-border: #FFFFFF;
    --v271-text-secondary: #FFFFFF;
  }
}