/**
 * 987ph Layout CSS - Mobile-First Responsive Design
 * All classes use uia6- prefix to avoid conflicts
 * Color palette: #8B008B, #FFB347, #DEE2E6, #FFF176, #2E4057, #F4A460
 */

/* Root variables */
:root {
  --uia6-primary: #8B008B;
  --uia6-secondary: #FFB347;
  --uia6-accent: #FFF176;
  --uia6-bg: #2E4057;
  --uia6-light: #DEE2E6;
  --uia6-warm: #F4A460;
  --uia6-text: #DEE2E6;
  --uia6-text-dark: #2E4057;
  --uia6-white: #FFFFFF;
  --uia6-shadow: rgba(0, 0, 0, 0.2);
  --uia6-shadow-light: rgba(255, 255, 255, 0.1);
  --uia6-border-radius: 0.8rem;
  --uia6-spacing-xs: 0.4rem;
  --uia6-spacing-sm: 0.8rem;
  --uia6-spacing-md: 1.6rem;
  --uia6-spacing-lg: 2.4rem;
  --uia6-spacing-xl: 3.2rem;
  --uia6-font-size-xs: 1.0rem;
  --uia6-font-size-sm: 1.2rem;
  --uia6-font-size-base: 1.4rem;
  --uia6-font-size-lg: 1.6rem;
  --uia6-font-size-xl: 2.0rem;
  --uia6-font-size-xxl: 2.4rem;
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: var(--uia6-font-size-base);
  line-height: 1.5;
  color: var(--uia6-text);
  background: linear-gradient(135deg, var(--uia6-bg) 0%, var(--uia6-primary) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Layout containers */
.uia6-container {
  width: 100%;
  max-width: 43rem;
  margin: 0 auto;
  padding: 0 var(--uia6-spacing-sm);
}

.uia6-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.uia6-main {
  flex: 1;
  padding-top: 6rem;
  padding-bottom: 8rem;
}

/* Header styles */
.uia6-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 6rem;
  background: linear-gradient(90deg, var(--uia6-primary) 0%, var(--uia6-bg) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--uia6-shadow-light);
  z-index: 1000;
  box-shadow: 0 2px 20px var(--uia6-shadow);
}

.uia6-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--uia6-spacing-sm);
}

.uia6-logo {
  display: flex;
  align-items: center;
  gap: var(--uia6-spacing-xs);
  text-decoration: none;
  color: var(--uia6-white);
  font-weight: 700;
  font-size: var(--uia6-font-size-lg);
}

.uia6-logo-icon {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 50%;
  background: var(--uia6-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.uia6-header-actions {
  display: flex;
  align-items: center;
  gap: var(--uia6-spacing-xs);
}

.uia6-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--uia6-spacing-xs) var(--uia6-spacing-sm);
  border: none;
  border-radius: var(--uia6-border-radius);
  font-size: var(--uia6-font-size-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 4.4rem;
  min-width: 4.4rem;
}

.uia6-btn-primary {
  background: linear-gradient(45deg, var(--uia6-secondary) 0%, var(--uia6-accent) 100%);
  color: var(--uia6-text-dark);
  box-shadow: 0 4px 15px rgba(255, 179, 71, 0.3);
}

.uia6-btn-secondary {
  background: linear-gradient(45deg, var(--uia6-warm) 0%, var(--uia6-secondary) 100%);
  color: var(--uia6-white);
  box-shadow: 0 4px 15px rgba(244, 164, 96, 0.3);
}

.uia6-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--uia6-shadow);
}

.uia6-btn:active {
  transform: translateY(0);
}

.uia6-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 4.4rem;
  height: 4.4rem;
  background: var(--uia6-shadow-light);
  border: none;
  border-radius: var(--uia6-border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
}

.uia6-menu-toggle span {
  width: 2.4rem;
  height: 2px;
  background: var(--uia6-white);
  margin: 2px auto;
  transition: all 0.3s ease;
  border-radius: 1px;
}

.uia6-menu-toggle:hover {
  background: var(--uia6-primary);
}

.uia6-menu-open span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.uia6-menu-open span:nth-child(2) {
  opacity: 0;
}

.uia6-menu-open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile menu */
.uia6-mobile-menu {
  position: fixed;
  top: 6rem;
  left: -100%;
  width: 100%;
  height: calc(100vh - 6rem);
  background: linear-gradient(180deg, var(--uia6-bg) 0%, var(--uia6-primary) 100%);
  transition: left 0.3s ease;
  z-index: 999;
  overflow-y: auto;
}

.uia6-menu-active {
  left: 0;
}

.uia6-menu-overlay {
  position: fixed;
  top: 6rem;
  left: 0;
  width: 100%;
  height: calc(100vh - 6rem);
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 998;
}

.uia6-overlay-active {
  opacity: 1;
  visibility: visible;
}

.uia6-nav-list {
  list-style: none;
  padding: var(--uia6-spacing-lg) 0;
}

.uia6-nav-item {
  border-bottom: 1px solid var(--uia6-shadow-light);
}

.uia6-nav-link {
  display: block;
  padding: var(--uia6-spacing-md) var(--uia6-spacing-lg);
  color: var(--uia6-text);
  text-decoration: none;
  font-size: var(--uia6-font-size-lg);
  font-weight: 500;
  transition: all 0.3s ease;
}

.uia6-nav-link:hover {
  background: var(--uia6-shadow-light);
  color: var(--uia6-accent);
  padding-left: calc(var(--uia6-spacing-lg) + var(--uia6-spacing-xs));
}

/* Carousel styles */
.uia6-carousel {
  position: relative;
  width: 100%;
  height: 20rem;
  margin: var(--uia6-spacing-md) 0;
  border-radius: var(--uia6-border-radius);
  overflow: hidden;
  box-shadow: 0 8px 32px var(--uia6-shadow);
}

.uia6-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  cursor: pointer;
}

.uia6-slide-active {
  opacity: 1;
}

.uia6-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.uia6-carousel-indicators {
  position: absolute;
  bottom: var(--uia6-spacing-sm);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--uia6-spacing-xs);
}

.uia6-carousel-indicator {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all 0.3s ease;
}

.uia6-indicator-active {
  background: var(--uia6-accent);
  transform: scale(1.2);
}

/* Game grid styles */
.uia6-games-section {
  margin: var(--uia6-spacing-lg) 0;
}

.uia6-section-title {
  font-size: var(--uia6-font-size-xl);
  font-weight: 700;
  color: var(--uia6-white);
  margin-bottom: var(--uia6-spacing-md);
  text-align: center;
  text-shadow: 2px 2px 4px var(--uia6-shadow);
}

.uia6-game-category {
  margin-bottom: var(--uia6-spacing-xl);
}

.uia6-category-title {
  font-size: var(--uia6-font-size-lg);
  font-weight: 600;
  color: var(--uia6-accent);
  margin-bottom: var(--uia6-spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.uia6-game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
  gap: var(--uia6-spacing-sm);
  margin-bottom: var(--uia6-spacing-md);
}

.uia6-game-item {
  background: var(--uia6-shadow-light);
  border-radius: var(--uia6-border-radius);
  padding: var(--uia6-spacing-sm);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  min-height: 10rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.uia6-game-item:hover {
  transform: translateY(-4px);
  background: var(--uia6-primary);
  border-color: var(--uia6-secondary);
  box-shadow: 0 8px 25px var(--uia6-shadow);
}

.uia6-game-icon {
  width: 4.8rem;
  height: 4.8rem;
  border-radius: var(--uia6-border-radius);
  margin-bottom: var(--uia6-spacing-xs);
  object-fit: cover;
  border: 2px solid var(--uia6-shadow-light);
}

.uia6-game-name {
  font-size: var(--uia6-font-size-xs);
  font-weight: 500;
  color: var(--uia6-text);
  line-height: 1.2;
  text-align: center;
}

/* Content sections */
.uia6-section {
  background: var(--uia6-shadow-light);
  border-radius: var(--uia6-border-radius);
  padding: var(--uia6-spacing-lg);
  margin: var(--uia6-spacing-lg) 0;
  backdrop-filter: blur(10px);
  border: 1px solid var(--uia6-shadow-light);
}

.uia6-section h2 {
  font-size: var(--uia6-font-size-xl);
  font-weight: 700;
  color: var(--uia6-accent);
  margin-bottom: var(--uia6-spacing-md);
}

.uia6-section h3 {
  font-size: var(--uia6-font-size-lg);
  font-weight: 600;
  color: var(--uia6-secondary);
  margin: var(--uia6-spacing-md) 0 var(--uia6-spacing-sm) 0;
}

.uia6-section p {
  margin-bottom: var(--uia6-spacing-sm);
  line-height: 1.6;
}

.uia6-section ul {
  padding-left: var(--uia6-spacing-md);
  margin-bottom: var(--uia6-spacing-sm);
}

.uia6-section li {
  margin-bottom: var(--uia6-spacing-xs);
}

/* Promo links */
.uia6-promo-link {
  color: var(--uia6-secondary);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.uia6-promo-link:hover {
  color: var(--uia6-accent);
  border-bottom-color: var(--uia6-accent);
}

/* Bottom navigation */
.uia6-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6.4rem;
  background: linear-gradient(180deg, var(--uia6-primary) 0%, var(--uia6-bg) 100%);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--uia6-shadow-light);
  z-index: 1000;
  box-shadow: 0 -2px 20px var(--uia6-shadow);
}

.uia6-bottom-nav-container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 100%;
  max-width: 43rem;
  margin: 0 auto;
}

.uia6-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 4.4rem;
  min-height: 4.4rem;
  text-decoration: none;
  color: var(--uia6-text);
  transition: all 0.3s ease;
  border-radius: var(--uia6-border-radius);
  padding: var(--uia6-spacing-xs);
}

.uia6-bottom-nav-item:hover,
.uia6-nav-active {
  color: var(--uia6-accent);
  background: var(--uia6-shadow-light);
}

.uia6-nav-icon {
  font-size: 2.4rem;
  margin-bottom: 2px;
}

.uia6-nav-text {
  font-size: var(--uia6-font-size-xs);
  font-weight: 500;
  text-align: center;
}

/* Footer */
.uia6-footer {
  background: var(--uia6-bg);
  padding: var(--uia6-spacing-xl) 0 var(--uia6-spacing-lg) 0;
  margin-top: var(--uia6-spacing-xl);
  border-top: 1px solid var(--uia6-shadow-light);
}

.uia6-footer-content {
  text-align: center;
}

.uia6-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--uia6-spacing-sm) var(--uia6-spacing-md);
  margin-bottom: var(--uia6-spacing-lg);
}

.uia6-footer-link {
  color: var(--uia6-text);
  text-decoration: none;
  font-size: var(--uia6-font-size-sm);
  transition: color 0.3s ease;
}

.uia6-footer-link:hover {
  color: var(--uia6-accent);
}

.uia6-partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--uia6-spacing-sm);
  margin: var(--uia6-spacing-lg) 0;
}

.uia6-partner-logo {
  width: 4rem;
  height: 4rem;
  border-radius: var(--uia6-border-radius);
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.uia6-partner-logo:hover {
  opacity: 1;
}

.uia6-copyright {
  font-size: var(--uia6-font-size-xs);
  color: var(--uia6-text);
  opacity: 0.8;
  margin-top: var(--uia6-spacing-lg);
}

/* Animation classes */
.uia6-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.uia6-fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* Utility classes */
.uia6-text-center {
  text-align: center;
}

.uia6-text-bold {
  font-weight: 700;
}

.uia6-text-primary {
  color: var(--uia6-primary);
}

.uia6-text-secondary {
  color: var(--uia6-secondary);
}

.uia6-text-accent {
  color: var(--uia6-accent);
}

.uia6-mb-sm {
  margin-bottom: var(--uia6-spacing-sm);
}

.uia6-mb-md {
  margin-bottom: var(--uia6-spacing-md);
}

.uia6-mb-lg {
  margin-bottom: var(--uia6-spacing-lg);
}

.uia6-hidden {
  display: none;
}

/* Responsive breakpoints */
@media (min-width: 768px) {
  .uia6-container {
    max-width: 72rem;
    padding: 0 var(--uia6-spacing-md);
  }
  
  .uia6-game-grid {
    grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
    gap: var(--uia6-spacing-md);
  }
  
  .uia6-carousel {
    height: 25rem;
  }
  
  .uia6-bottom-nav {
    display: none;
  }
  
  .uia6-main {
    padding-bottom: var(--uia6-spacing-lg);
  }
}

@media (min-width: 1024px) {
  .uia6-container {
    max-width: 102rem;
  }
  
  .uia6-game-grid {
    grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
  }
  
  .uia6-carousel {
    height: 30rem;
  }
}