/**
 * top646 ph - Main CSS Layout
 * All classes use 'ui01-' prefix for namespace isolation
 * Color scheme: #FFF176 | #34495E | #FFD700 | #FFFACD
 */

:root {
  /* Color variables */
  --ui01-primary: #FFD700;
  --ui01-secondary: #FFF176;
  --ui01-dark: #34495E;
  --ui01-light: #FFFACD;
  --ui01-bg-dark: #2C3E50;
  --ui01-bg-darker: #1A252F;
  --ui01-text-light: #FFFFFF;
  --ui01-text-muted: #BDC3C7;
  --ui01-border: #34495E;
  --ui01-shadow: rgba(0, 0, 0, 0.3);
  --ui01-gradient: linear-gradient(135deg, #FFD700 0%, #FFF176 100%);

  /* Spacing */
  --ui01-spacing-xs: 0.4rem;
  --ui01-spacing-sm: 0.8rem;
  --ui01-spacing-md: 1.6rem;
  --ui01-spacing-lg: 2.4rem;
  --ui01-spacing-xl: 3.2rem;

  /* Typography */
  --ui01-font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --ui01-font-size-xs: 1rem;
  --ui01-font-size-sm: 1.2rem;
  --ui01-font-size-md: 1.4rem;
  --ui01-font-size-lg: 1.6rem;
  --ui01-font-size-xl: 1.8rem;
  --ui01-font-size-xxl: 2.4rem;

  /* Other */
  --ui01-radius: 0.8rem;
  --ui01-radius-lg: 1.2rem;
  --ui01-transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--ui01-font-primary);
  font-size: var(--ui01-font-size-md);
  line-height: 1.5;
  color: var(--ui01-text-light);
  background: var(--ui01-bg-darker);
  overflow-x: hidden;
}

/* Layout containers */
.ui01-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--ui01-spacing-sm);
}

.ui01-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.ui01-main {
  flex: 1;
  padding-bottom: 8rem;
}

/* Header */
.ui01-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--ui01-bg-dark);
  border-bottom: 1px solid var(--ui01-border);
  transition: var(--ui01-transition);
}

.ui01-header.scrolled {
  background: rgba(44, 62, 80, 0.95);
  backdrop-filter: blur(10px);
}

.ui01-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ui01-spacing-sm);
  height: 6rem;
}

.ui01-logo {
  display: flex;
  align-items: center;
  gap: var(--ui01-spacing-xs);
  text-decoration: none;
  color: var(--ui01-text-light);
  font-weight: bold;
  font-size: var(--ui01-font-size-lg);
}

.ui01-logo-icon {
  width: 2.8rem;
  height: 2.8rem;
  background: var(--ui01-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--ui01-dark);
}

.ui01-header-actions {
  display: flex;
  align-items: center;
  gap: var(--ui01-spacing-xs);
}

.ui01-btn {
  padding: var(--ui01-spacing-xs) var(--ui01-spacing-sm);
  border: none;
  border-radius: var(--ui01-radius);
  font-size: var(--ui01-font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--ui01-transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 4.4rem;
  touch-action: manipulation;
}

.ui01-btn-primary {
  background: var(--ui01-gradient);
  color: var(--ui01-dark);
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.ui01-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
}

.ui01-btn-secondary {
  background: transparent;
  color: var(--ui01-primary);
  border: 2px solid var(--ui01-primary);
}

.ui01-btn-secondary:hover {
  background: var(--ui01-primary);
  color: var(--ui01-dark);
}

.ui01-menu-toggle {
  background: none;
  border: none;
  color: var(--ui01-text-light);
  font-size: 2.4rem;
  cursor: pointer;
  padding: var(--ui01-spacing-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.4rem;
  height: 4.4rem;
}

/* Mobile menu */
.ui01-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--ui01-bg-dark);
  z-index: 9999;
  transition: var(--ui01-transition);
  overflow-y: auto;
}

.ui01-mobile-menu.active {
  right: 0;
}

.ui01-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--ui01-transition);
}

.ui01-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.ui01-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ui01-spacing-md);
  border-bottom: 1px solid var(--ui01-border);
}

.ui01-menu-close {
  background: none;
  border: none;
  color: var(--ui01-text-light);
  font-size: 2.4rem;
  cursor: pointer;
}

.ui01-menu-nav {
  padding: var(--ui01-spacing-md);
}

.ui01-menu-nav ul {
  list-style: none;
}

.ui01-menu-nav li {
  border-bottom: 1px solid var(--ui01-border);
}

.ui01-menu-nav a {
  display: block;
  padding: var(--ui01-spacing-md);
  color: var(--ui01-text-light);
  text-decoration: none;
  transition: var(--ui01-transition);
  font-size: var(--ui01-font-size-md);
}

.ui01-menu-nav a:hover,
.ui01-menu-nav a.active {
  background: rgba(255, 215, 0, 0.1);
  color: var(--ui01-primary);
}

/* Hero carousel */
.ui01-hero {
  margin-top: 6rem;
  position: relative;
  overflow: hidden;
}

.ui01-carousel {
  position: relative;
  height: 20rem;
  border-radius: var(--ui01-radius-lg);
  overflow: hidden;
}

.ui01-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  cursor: pointer;
}

.ui01-carousel-slide.active {
  opacity: 1;
}

.ui01-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ui01-carousel-indicators {
  position: absolute;
  bottom: var(--ui01-spacing-sm);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--ui01-spacing-xs);
}

.ui01-carousel-indicator {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--ui01-transition);
}

.ui01-carousel-indicator.active {
  background: var(--ui01-primary);
  width: 2.4rem;
  border-radius: 0.4rem;
}

/* Game grid */
.ui01-games-section {
  padding: var(--ui01-spacing-lg) 0;
}

.ui01-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--ui01-spacing-md);
}

.ui01-section-title {
  font-size: var(--ui01-font-size-xl);
  font-weight: bold;
  color: var(--ui01-primary);
}

.ui01-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--ui01-spacing-sm);
}

.ui01-game-card {
  background: var(--ui01-bg-dark);
  border-radius: var(--ui01-radius);
  overflow: hidden;
  transition: var(--ui01-transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.ui01-game-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--ui01-shadow);
}

.ui01-game-image {
  width: 100%;
  height: 8rem;
  object-fit: cover;
  background: var(--ui01-gradient);
}

.ui01-game-name {
  padding: var(--ui01-spacing-xs);
  font-size: var(--ui01-font-size-xs);
  text-align: center;
  color: var(--ui01-text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Content sections */
.ui01-content-section {
  padding: var(--ui01-spacing-lg) 0;
  border-top: 1px solid var(--ui01-border);
}

.ui01-content-section:first-child {
  border-top: none;
}

.ui01-content-title {
  font-size: var(--ui01-font-size-xxl);
  margin-bottom: var(--ui01-spacing-md);
  color: var(--ui01-primary);
  text-align: center;
}

.ui01-content-text {
  color: var(--ui01-text-muted);
  line-height: 1.8;
  margin-bottom: var(--ui01-spacing-md);
}

.ui01-content-text p {
  margin-bottom: var(--ui01-spacing-sm);
}

.ui01-content-text a {
  color: var(--ui01-primary);
  text-decoration: none;
  font-weight: 600;
}

.ui01-content-text a:hover {
  text-decoration: underline;
}

.ui01-feature-list {
  list-style: none;
  margin: var(--ui01-spacing-md) 0;
}

.ui01-feature-list li {
  padding: var(--ui01-spacing-xs) 0;
  padding-left: var(--ui01-spacing-md);
  position: relative;
  color: var(--ui01-text-muted);
}

.ui01-feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--ui01-primary);
  font-weight: bold;
}

/* Bottom navigation */
.ui01-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ui01-bg-dark);
  border-top: 1px solid var(--ui01-border);
  z-index: 1000;
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 6.4rem;
  padding: var(--ui01-spacing-xs) 0;
}

.ui01-bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 6rem;
  min-height: 6rem;
  text-decoration: none;
  color: var(--ui01-text-muted);
  transition: var(--ui01-transition);
  cursor: pointer;
  border: none;
  background: none;
}

.ui01-bottom-nav-item:hover,
.ui01-bottom-nav-item.active {
  color: var(--ui01-primary);
  transform: scale(1.1);
}

.ui01-bottom-nav-icon {
  font-size: 2.4rem;
  margin-bottom: 0.2rem;
}

.ui01-bottom-nav-label {
  font-size: var(--ui01-font-size-xs);
  font-weight: 500;
}

/* Footer */
.ui01-footer {
  background: var(--ui01-bg-dark);
  border-top: 1px solid var(--ui01-border);
  padding: var(--ui01-spacing-lg) 0 var(--ui01-spacing-xl);
  margin-top: var(--ui01-spacing-lg);
}

.ui01-footer-content {
  text-align: center;
}

.ui01-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ui01-spacing-md);
  margin-bottom: var(--ui01-spacing-md);
}

.ui01-footer-links a {
  color: var(--ui01-text-muted);
  text-decoration: none;
  font-size: var(--ui01-font-size-sm);
  transition: var(--ui01-transition);
}

.ui01-footer-links a:hover {
  color: var(--ui01-primary);
}

.ui01-partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--ui01-spacing-md);
  margin: var(--ui01-spacing-lg) 0;
}

.ui01-partner-logo {
  height: 3.2rem;
  width: auto;
  opacity: 0.7;
  transition: var(--ui01-transition);
  cursor: pointer;
}

.ui01-partner-logo:hover {
  opacity: 1;
  transform: scale(1.1);
}

.ui01-copyright {
  color: var(--ui01-text-muted);
  font-size: var(--ui01-font-size-xs);
  margin-top: var(--ui01-spacing-md);
}

/* Responsive utilities */
@media (min-width: 769px) {
  .ui01-bottom-nav {
    display: none;
  }

  .ui01-main {
    padding-bottom: 0;
  }

  .ui01-game-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 768px) {
  .ui01-main {
    padding-bottom: 8rem;
  }
}

/* Utility classes */
.ui01-text-center {
  text-align: center;
}

.ui01-text-primary {
  color: var(--ui01-primary);
}

.ui01-mt-md {
  margin-top: var(--ui01-spacing-md);
}

.ui01-mb-md {
  margin-bottom: var(--ui01-spacing-md);
}

.ui01-hidden {
  display: none;
}

/* Animations */
@keyframes ui01-fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ui01-fade-in {
  animation: ui01-fadeIn 0.5s ease-out;
}

/* Loading states */
.ui01-loading {
  position: relative;
  overflow: hidden;
}

.ui01-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}