/* 777 casino - Layout CSS with prefix "uiff-" */
/* Mobile-first responsive design for gaming website */

/* CSS Variables for consistent theming */
:root {
  --uiff-primary: #F8F9FA;
  --uiff-secondary: #ADFF2F;
  --uiff-accent: #32CD32;
  --uiff-warning: #FF9800;
  --uiff-dark: #273746;
  --uiff-success: #90EE90;

  --uiff-bg-primary: #273746;
  --uiff-bg-secondary: #1a252f;
  --uiff-bg-card: #2c3e50;
  --uiff-text-primary: #F8F9FA;
  --uiff-text-secondary: #ADFF2F;
  --uiff-text-accent: #90EE90;
  --uiff-text-muted: #95a5a6;

  --uiff-border-radius: 0.5rem;
  --uiff-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --uiff-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);

  --uiff-transition: all 0.3s ease;
  --uiff-z-header: 1000;
  --uiff-z-mobile-nav: 1000;
  --uiff-z-mobile-menu: 9999;
}

/* Base styles and typography */
html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--uiff-text-primary);
  background-color: var(--uiff-bg-primary);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* Container and layout utilities */
.uiff-container {
  width: 100%;
  max-width: 43rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  box-sizing: border-box;
}

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

.uiff-grid {
  display: grid;
  gap: 1rem;
}

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

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

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

/* Header navigation */
.uiff-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--uiff-bg-primary) 0%, var(--uiff-bg-secondary) 100%);
  border-bottom: 2px solid var(--uiff-accent);
  z-index: var(--uiff-z-header);
  box-shadow: var(--uiff-shadow);
  backdrop-filter: blur(10px);
}

.uiff-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  min-height: 6rem;
}

.uiff-logo-section {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.uiff-logo {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: var(--uiff-border-radius);
  border: 2px solid var(--uiff-accent);
}

.uiff-site-name {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--uiff-text-primary);
  text-decoration: none;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.uiff-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.uiff-btn {
  padding: 0.8rem 1.6rem;
  border: none;
  border-radius: var(--uiff-border-radius);
  font-size: 1.4rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: var(--uiff-transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 4.4rem;
  touch-action: manipulation;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.uiff-btn-primary {
  background: linear-gradient(135deg, var(--uiff-accent) 0%, var(--uiff-success) 100%);
  color: var(--uiff-dark);
  box-shadow: 0 4px 15px rgba(50, 205, 50, 0.3);
}

.uiff-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(50, 205, 50, 0.4);
}

.uiff-btn-secondary {
  background: linear-gradient(135deg, var(--uiff-warning) 0%, #FF6B35 100%);
  color: var(--uiff-text-primary);
  box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);
}

.uiff-btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);
}

.uiff-menu-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid var(--uiff-accent);
  border-radius: var(--uiff-border-radius);
  color: var(--uiff-text-primary);
  padding: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--uiff-transition);
  font-size: 2rem;
  width: 4.8rem;
  height: 4.8rem;
  -webkit-tap-highlight-color: transparent;
}

.uiff-menu-toggle:hover {
  background: rgba(173, 255, 47, 0.2);
  border-color: var(--uiff-secondary);
}

.uiff-menu-toggle.uiff-active {
  background: var(--uiff-accent);
  color: var(--uiff-dark);
}

/* Mobile menu */
.uiff-mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(39, 55, 70, 0.98);
  backdrop-filter: blur(10px);
  z-index: var(--uiff-z-mobile-menu);
  display: none;
  overflow-y: auto;
}

.uiff-mobile-menu-content {
  padding: 8rem 2rem 2rem;
}

.uiff-mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  padding: 0 1rem;
}

.uiff-mobile-menu-title {
  font-size: 2.4rem;
  font-weight: bold;
  color: var(--uiff-text-primary);
}

.uiff-mobile-menu-close {
  background: none;
  border: none;
  color: var(--uiff-text-primary);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 1rem;
  -webkit-tap-highlight-color: transparent;
}

.uiff-mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.uiff-mobile-menu-link {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(173, 255, 47, 0.2);
  border-radius: var(--uiff-border-radius);
  color: var(--uiff-text-primary);
  text-decoration: none;
  font-size: 1.6rem;
  transition: var(--uiff-transition);
}

.uiff-mobile-menu-link:hover {
  background: rgba(173, 255, 47, 0.1);
  border-color: var(--uiff-secondary);
  transform: translateX(0.5rem);
}

.uiff-mobile-menu-link i {
  width: 2.4rem;
  text-align: center;
  color: var(--uiff-secondary);
}

/* Main content area */
.uiff-main {
  flex: 1;
  padding-top: 8rem;
  padding-bottom: 8rem;
}

.uiff-section {
  margin-bottom: 3rem;
}

.uiff-section-title {
  font-size: 2.4rem;
  font-weight: bold;
  color: var(--uiff-text-primary);
  margin-bottom: 2rem;
  text-align: center;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  position: relative;
}

.uiff-section-title::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 6rem;
  height: 3px;
  background: linear-gradient(90deg, var(--uiff-accent), var(--uiff-success));
  border-radius: 2px;
}

/* Game grid and cards */
.uiff-game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.uiff-game-item {
  background: linear-gradient(135deg, var(--uiff-bg-card) 0%, rgba(44, 62, 80, 0.8) 100%);
  border: 2px solid transparent;
  border-radius: var(--uiff-border-radius);
  padding: 1rem;
  text-align: center;
  transition: var(--uiff-transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.uiff-game-item:hover {
  border-color: var(--uiff-accent);
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--uiff-shadow-lg);
}

.uiff-game-item::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--uiff-accent), var(--uiff-secondary), var(--uiff-warning));
  border-radius: var(--uiff-border-radius);
  opacity: 0;
  transition: var(--uiff-transition);
  z-index: -1;
}

.uiff-game-item:hover::before {
  opacity: 1;
}

.uiff-game-image {
  width: 100%;
  height: 8rem;
  object-fit: cover;
  border-radius: calc(var(--uiff-border-radius) * 0.8);
  margin-bottom: 0.8rem;
  background: var(--uiff-bg-secondary);
}

.uiff-game-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--uiff-text-primary);
  margin: 0;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
  line-height: 1.3;
}

/* Carousel styles */
.uiff-carousel {
  position: relative;
  width: 100%;
  height: 24rem;
  border-radius: var(--uiff-border-radius);
  overflow: hidden;
  margin-bottom: 3rem;
  box-shadow: var(--uiff-shadow-lg);
}

.uiff-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

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

.uiff-carousel-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.uiff-carousel-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: 2rem;
  color: var(--uiff-text-primary);
}

.uiff-carousel-title {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

/* Mobile bottom navigation */
.uiff-mobile-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, var(--uiff-bg-secondary) 0%, var(--uiff-bg-primary) 100%);
  border-top: 2px solid var(--uiff-accent);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 6.4rem;
  z-index: var(--uiff-z-mobile-nav);
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

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

.uiff-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  color: var(--uiff-text-primary);
  text-decoration: none;
  padding: 0.8rem 1rem;
  min-width: 6rem;
  min-height: 6rem;
  transition: var(--uiff-transition);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.uiff-nav-item:hover {
  color: var(--uiff-secondary);
  transform: translateY(-2px);
}

.uiff-nav-item.active {
  color: var(--uiff-accent);
}

.uiff-nav-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3rem;
  height: 3px;
  background: var(--uiff-accent);
  border-radius: 0 0 1rem 1rem;
}

.uiff-nav-icon {
  font-size: 2.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 3.2rem;
}

.uiff-nav-text {
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.2;
  margin: 0;
}

/* Footer */
.uiff-footer {
  background: linear-gradient(180deg, var(--uiff-bg-secondary) 0%, var(--uiff-bg-primary) 100%);
  border-top: 2px solid var(--uiff-accent);
  padding: 3rem 0;
  margin-top: auto;
}

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

.uiff-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.uiff-footer-link {
  color: var(--uiff-text-secondary);
  text-decoration: none;
  font-size: 1.4rem;
  transition: var(--uiff-transition);
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--uiff-border-radius);
}

.uiff-footer-link:hover {
  color: var(--uiff-accent);
  border-color: var(--uiff-accent);
  transform: translateY(-2px);
}

.uiff-partners {
  margin: 2rem 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  align-items: center;
}

.uiff-partner-logo {
  width: 4rem;
  height: 4rem;
  object-fit: contain;
  border-radius: var(--uiff-border-radius);
  border: 1px solid rgba(173, 255, 47, 0.3);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.5rem;
}

.uiff-copyright {
  color: var(--uiff-text-muted);
  font-size: 1.2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(173, 255, 47, 0.2);
  padding-top: 2rem;
}

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

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

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

.uiff-mb-1 { margin-bottom: 1rem; }
.uiff-mb-2 { margin-bottom: 2rem; }
.uiff-mb-3 { margin-bottom: 3rem; }

.uiff-mt-1 { margin-top: 1rem; }
.uiff-mt-2 { margin-top: 2rem; }
.uiff-mt-3 { margin-top: 3rem; }

/* Loading animation */
.uiff-loading {
  position: relative;
  pointer-events: none;
}

.uiff-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2rem;
  height: 2rem;
  margin: -1rem 0 0 -1rem;
  border: 2px solid var(--uiff-text-primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: uiff-spin 1s linear infinite;
}

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

/* Lazy loading image */
.uiff-lazy {
  opacity: 0;
  transition: opacity 0.3s;
}

.uiff-lazy:not([src]) {
  background: linear-gradient(90deg, var(--uiff-bg-card) 25%, var(--uiff-bg-secondary) 50%, var(--uiff-bg-card) 75%);
  background-size: 200% 100%;
  animation: uiff-shimmer 1.5s infinite;
}

@keyframes uiff-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Responsive adjustments */
@media (max-width: 380px) {
  .uiff-game-grid {
    grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  }

  .uiff-game-name {
    font-size: 1.1rem;
  }

  .uiff-section-title {
    font-size: 2rem;
  }
}

/* Accessibility improvements */
.uiff-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;
}

/* Focus styles for better accessibility */
.uiff-btn:focus,
.uiff-nav-item:focus,
.uiff-game-item:focus,
.uiff-footer-link:focus {
  outline: 3px solid var(--uiff-accent);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .uiff-header,
  .uiff-mobile-nav,
  .uiff-carousel {
    display: none !important;
  }

  .uiff-main {
    padding-top: 0;
    padding-bottom: 0;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }
}