/* KKKKPH777 Online CSS Design System */
/* All classes use prefix 'pgfe-' for namespace isolation */

/* CSS Variables - Color Palette */
:root {
  /* Primary Colors */
  --pgfe-primary: #20B2AA;
  --pgfe-primary-light: #9AFF9A;
  --pgfe-secondary: #6C757D;
  --pgfe-dark: #1A1A2E;

  /* Background Colors */
  --pgfe-bg-primary: #1A1A2E;
  --pgfe-bg-secondary: #16213E;
  --pgfe-bg-card: #0F3460;
  --pgfe-bg-hover: #E94560;

  /* Text Colors */
  --pgfe-text-primary: #FFFFFF;
  --pgfe-text-secondary: #B0B0B0;
  --pgfe-text-accent: #9AFF9A;
  --pgfe-text-muted: #6C757D;

  /* Status Colors */
  --pgfe-success: #28A745;
  --pgfe-warning: #FFC107;
  --pgfe-danger: #DC3545;
  --pgfe-info: #17A2B8;

  /* Gradient Colors */
  --pgfe-gradient-primary: linear-gradient(135deg, #20B2AA 0%, #1A1A2E 100%);
  --pgfe-gradient-secondary: linear-gradient(135deg, #9AFF9A 0%, #20B2AA 100%);
  --pgfe-gradient-dark: linear-gradient(135deg, #1A1A2E 0%, #0F3460 100%);

  /* Spacing */
  --pgfe-spacing-xs: 0.4rem;
  --pgfe-spacing-sm: 0.8rem;
  --pgfe-spacing-md: 1.6rem;
  --pgfe-spacing-lg: 2.4rem;
  --pgfe-spacing-xl: 3.2rem;

  /* Typography */
  --pgfe-font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --pgfe-font-secondary: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
  --pgfe-font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;

  /* Font Sizes */
  --pgfe-text-xs: 1rem;
  --pgfe-text-sm: 1.2rem;
  --pgfe-text-md: 1.4rem;
  --pgfe-text-lg: 1.6rem;
  --pgfe-text-xl: 1.8rem;
  --pgfe-text-2xl: 2.4rem;
  --pgfe-text-3xl: 3.2rem;

  /* Border Radius */
  --pgfe-radius-sm: 0.4rem;
  --pgfe-radius-md: 0.8rem;
  --pgfe-radius-lg: 1.2rem;
  --pgfe-radius-xl: 2rem;
  --pgfe-radius-full: 50%;

  /* Shadows */
  --pgfe-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --pgfe-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --pgfe-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
  --pgfe-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);

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

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

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

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

/* Typography */
.pgfe-heading-1 {
  font-size: var(--pgfe-text-3xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--pgfe-spacing-lg);
  background: var(--pgfe-gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pgfe-heading-2 {
  font-size: var(--pgfe-text-2xl);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--pgfe-spacing-md);
  color: var(--pgfe-text-primary);
}

.pgfe-heading-3 {
  font-size: var(--pgfe-text-xl);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--pgfe-spacing-sm);
  color: var(--pgfe-text-accent);
}

.pgfe-text {
  font-size: var(--pgfe-text-md);
  line-height: 1.6;
  color: var(--pgfe-text-secondary);
  margin-bottom: var(--pgfe-spacing-md);
}

.pgfe-text-sm {
  font-size: var(--pgfe-text-sm);
  line-height: 1.5;
  color: var(--pgfe-text-muted);
}

/* Layout */
.pgfe-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--pgfe-spacing-sm);
}

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

.pgfe-main {
  flex: 1;
  padding-bottom: 8rem;
}

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

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

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

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

/* Header */
.pgfe-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--pgfe-gradient-dark);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(32, 178, 170, 0.2);
  padding: var(--pgfe-spacing-sm) 0;
}

.pgfe-header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pgfe-spacing-md);
}

.pgfe-logo {
  display: flex;
  align-items: center;
  gap: var(--pgfe-spacing-xs);
  text-decoration: none;
  color: var(--pgfe-text-primary);
}

.pgfe-logo-icon {
  width: 2.8rem;
  height: 2.8rem;
  background: var(--pgfe-gradient-secondary);
  border-radius: var(--pgfe-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--pgfe-text-lg);
  font-weight: 700;
  color: var(--pgfe-dark);
}

.pgfe-logo-text {
  font-size: var(--pgfe-text-xl);
  font-weight: 700;
  background: var(--pgfe-gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.pgfe-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--pgfe-spacing-sm) var(--pgfe-spacing-md);
  font-size: var(--pgfe-text-sm);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--pgfe-radius-md);
  cursor: pointer;
  transition: all var(--pgfe-transition-fast);
  min-height: 4.4rem;
  white-space: nowrap;
}

.pgfe-btn-primary {
  background: var(--pgfe-gradient-secondary);
  color: var(--pgfe-dark);
  box-shadow: var(--pgfe-shadow-sm);
}

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

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

.pgfe-btn-secondary:hover {
  background: var(--pgfe-primary);
  color: var(--pgfe-dark);
}

.pgfe-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  width: 2.4rem;
  height: 2.4rem;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--pgfe-radius-sm);
  transition: background var(--pgfe-transition-fast);
}

.pgfe-menu-toggle:hover {
  background: rgba(154, 255, 154, 0.1);
}

.pgfe-menu-toggle span {
  width: 100%;
  height: 0.2rem;
  background: var(--pgfe-text-primary);
  border-radius: 0.1rem;
  transition: all var(--pgfe-transition-fast);
}

.pgfe-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(0.5rem, 0.5rem);
}

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

.pgfe-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(0.5rem, -0.5rem);
}

/* Mobile Menu */
.pgfe-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--pgfe-gradient-dark);
  backdrop-filter: blur(20px);
  z-index: 9999;
  transition: right var(--pgfe-transition-normal);
  padding: var(--pgfe-spacing-xl) var(--pgfe-spacing-md);
  overflow-y: auto;
}

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

.pgfe-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--pgfe-spacing-xl);
}

.pgfe-menu-close {
  width: 3.2rem;
  height: 3.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(154, 255, 154, 0.1);
  border: none;
  border-radius: var(--pgfe-radius-full);
  color: var(--pgfe-text-primary);
  font-size: var(--pgfe-text-xl);
  cursor: pointer;
  transition: all var(--pgfe-transition-fast);
}

.pgfe-menu-close:hover {
  background: var(--pgfe-primary);
  color: var(--pgfe-dark);
  transform: rotate(90deg);
}

.pgfe-menu-nav {
  list-style: none;
}

.pgfe-menu-item {
  margin-bottom: var(--pgfe-spacing-xs);
}

.pgfe-menu-link {
  display: flex;
  align-items: center;
  gap: var(--pgfe-spacing-sm);
  padding: var(--pgfe-spacing-md);
  color: var(--pgfe-text-secondary);
  text-decoration: none;
  border-radius: var(--pgfe-radius-md);
  transition: all var(--pgfe-transition-fast);
  font-weight: 500;
}

.pgfe-menu-link:hover {
  background: rgba(154, 255, 154, 0.1);
  color: var(--pgfe-text-accent);
  transform: translateX(var(--pgfe-spacing-xs));
}

.pgfe-menu-icon {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Overlay */
.pgfe-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--pgfe-transition-normal);
}

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

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

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

.pgfe-carousel-slide {
  min-width: 100%;
  position: relative;
  cursor: pointer;
}

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

.pgfe-carousel-controls {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 var(--pgfe-spacing-md);
  pointer-events: none;
}

.pgfe-carousel-btn {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 26, 46, 0.8);
  border: none;
  border-radius: var(--pgfe-radius-full);
  color: var(--pgfe-text-primary);
  font-size: var(--pgfe-text-xl);
  cursor: pointer;
  pointer-events: all;
  transition: all var(--pgfe-transition-fast);
  backdrop-filter: blur(10px);
}

.pgfe-carousel-btn:hover {
  background: var(--pgfe-primary);
  color: var(--pgfe-dark);
  transform: scale(1.1);
}

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

.pgfe-carousel-indicator {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: var(--pgfe-radius-full);
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--pgfe-transition-fast);
}

.pgfe-carousel-indicator.active {
  background: var(--pgfe-primary);
  width: 2rem;
}

/* Cards */
.pgfe-card {
  background: var(--pgfe-bg-card);
  border-radius: var(--pgfe-radius-lg);
  padding: var(--pgfe-spacing-md);
  margin-bottom: var(--pgfe-spacing-md);
  box-shadow: var(--pgfe-shadow-md);
  border: 1px solid rgba(154, 255, 154, 0.1);
  transition: all var(--pgfe-transition-normal);
}

.pgfe-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--pgfe-shadow-lg);
  border-color: rgba(154, 255, 154, 0.3);
}

/* Game Grid */
.pgfe-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--pgfe-spacing-sm);
  margin: var(--pgfe-spacing-md) 0;
}

.pgfe-game-item {
  position: relative;
  border-radius: var(--pgfe-radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--pgfe-transition-fast);
  aspect-ratio: 1;
}

.pgfe-game-item:hover {
  transform: scale(1.05);
  box-shadow: var(--pgfe-shadow-lg);
}

.pgfe-game-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--pgfe-transition-normal);
}

.pgfe-game-item:hover .pgfe-game-image {
  transform: scale(1.1);
}

.pgfe-game-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(26, 26, 46, 0.9), transparent);
  padding: var(--pgfe-spacing-xs);
  transform: translateY(100%);
  transition: transform var(--pgfe-transition-fast);
}

.pgfe-game-item:hover .pgfe-game-overlay {
  transform: translateY(0);
}

.pgfe-game-name {
  font-size: var(--pgfe-text-xs);
  font-weight: 600;
  color: var(--pgfe-text-primary);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Buttons */
.pgfe-btn-group {
  display: flex;
  gap: var(--pgfe-spacing-sm);
  flex-wrap: wrap;
}

.pgfe-btn-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--pgfe-spacing-xs);
}

/* Bottom Navigation */
.pgfe-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--pgfe-gradient-dark);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(154, 255, 154, 0.2);
  padding: var(--pgfe-spacing-xs) 0;
  display: none;
}

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

.pgfe-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  min-width: 6rem;
  padding: var(--pgfe-spacing-xs);
  text-decoration: none;
  color: var(--pgfe-text-secondary);
  border-radius: var(--pgfe-radius-md);
  transition: all var(--pgfe-transition-fast);
  cursor: pointer;
}

.pgfe-bottom-nav-item:hover {
  color: var(--pgfe-text-accent);
  background: rgba(154, 255, 154, 0.1);
  transform: translateY(-2px);
}

.pgfe-bottom-nav-item.active {
  color: var(--pgfe-primary);
  background: rgba(32, 178, 170, 0.2);
}

.pgfe-bottom-nav-icon {
  font-size: 2.4rem;
  transition: transform var(--pgfe-transition-fast);
}

.pgfe-bottom-nav-item:hover .pgfe-bottom-nav-icon {
  transform: scale(1.2);
}

.pgfe-bottom-nav-label {
  font-size: var(--pgfe-text-xs);
  font-weight: 500;
  text-align: center;
}

/* Footer */
.pgfe-footer {
  background: var(--pgfe-gradient-dark);
  border-top: 1px solid rgba(154, 255, 154, 0.1);
  padding: var(--pgfe-spacing-xl) 0 var(--pgfe-spacing-md);
  margin-top: var(--pgfe-spacing-xl);
}

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

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

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

.pgfe-footer-link:hover {
  color: var(--pgfe-text-accent);
}

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

.pgfe-partner-logo {
  width: 4rem;
  height: 4rem;
  object-fit: contain;
  opacity: 0.7;
  transition: opacity var(--pgfe-transition-fast);
}

.pgfe-partner-logo:hover {
  opacity: 1;
}

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

/* Scroll to Top */
.pgfe-scroll-top {
  position: fixed;
  bottom: 8rem;
  right: var(--pgfe-spacing-md);
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pgfe-gradient-secondary);
  border: none;
  border-radius: var(--pgfe-radius-full);
  color: var(--pgfe-dark);
  font-size: var(--pgfe-text-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--pgfe-transition-normal);
  box-shadow: var(--pgfe-shadow-lg);
  z-index: 999;
}

.pgfe-scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.pgfe-scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--pgfe-shadow-xl);
}

/* Responsive Design */
@media (max-width: 768px) {
  .pgfe-bottom-nav {
    display: block;
  }

  .pgfe-main {
    padding-bottom: 8rem;
  }
}

@media (min-width: 769px) {
  .pgfe-menu-toggle {
    display: none;
  }

  .pgfe-mobile-menu,
  .pgfe-menu-overlay {
    display: none !important;
  }
}

/* Animations */
@keyframes pgfe-fadeIn {
  from {
    opacity: 0;
    transform: translateY(2rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Utility Classes */
.pgfe-text-center {
  text-align: center;
}

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

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

.pgfe-mb-sm {
  margin-bottom: var(--pgfe-spacing-sm);
}

.pgfe-mb-md {
  margin-bottom: var(--pgfe-spacing-md);
}

.pgfe-mb-lg {
  margin-bottom: var(--pgfe-spacing-lg);
}

.pgfe-mt-sm {
  margin-top: var(--pgfe-spacing-sm);
}

.pgfe-mt-md {
  margin-top: var(--pgfe-spacing-md);
}

.pgfe-mt-lg {
  margin-top: var(--pgfe-spacing-lg);
}

.pgfe-hidden {
  display: none;
}

.pgfe-flex {
  display: flex;
}

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

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

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

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

.pgfe-gap-sm {
  gap: var(--pgfe-spacing-sm);
}

.pgfe-gap-md {
  gap: var(--pgfe-spacing-md);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 0.6rem;
}

::-webkit-scrollbar-track {
  background: var(--pgfe-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--pgfe-primary);
  border-radius: var(--pgfe-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--pgfe-primary-light);
}

/* Selection */
::selection {
  background: var(--pgfe-primary);
  color: var(--pgfe-dark);
}

/* Focus Styles */
.pgfe-btn:focus,
.pgfe-menu-link:focus,
.pgfe-carousel-btn:focus {
  outline: 2px solid var(--pgfe-primary);
  outline-offset: 2px;
}

/* Loading Animation */
.pgfe-loading {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 0.2rem solid rgba(154, 255, 154, 0.3);
  border-radius: 50%;
  border-top-color: var(--pgfe-primary);
  animation: spin 1s ease-in-out infinite;
}

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