/* SuperPH11 App Design System - Mobile-First Gaming Experience */

/* CSS Custom Properties */
:root {
  --uia9-primary: #1B263B;
  --uia9-secondary: #415A77;
  --uia9-accent: #98FB98;
  --uia9-text: #F8F9FA;
  --uia9-text-muted: #DCDCDC;
  --uia9-bg: #0D1B2A;
  --uia9-surface: #1B263B;
  --uia9-border: #415A77;
  --uia9-shadow: rgba(27, 38, 59, 0.3);
  --uia9-radius: 12px;
  --uia9-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --uia9-font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --uia9-gradient-primary: linear-gradient(135deg, var(--uia9-primary), var(--uia9-secondary));
  --uia9-gradient-accent: linear-gradient(135deg, var(--uia9-accent), #7BC67B);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--uia9-font-primary);
  background: var(--uia9-bg);
  color: var(--uia9-text);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
}

/* Typography */
.uia9-h1 { font-size: 2.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.5rem; }
.uia9-h2 { font-size: 2rem; font-weight: 700; line-height: 1.3; margin-bottom: 1.25rem; }
.uia9-h3 { font-size: 1.5rem; font-weight: 600; line-height: 1.4; margin-bottom: 1rem; }
.uia9-h4 { font-size: 1.25rem; font-weight: 500; line-height: 1.4; margin-bottom: 0.75rem; }

/* Utility Classes */
.uia9-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.uia9-section { padding: 2rem 0; }
.uia9-text-center { text-align: center; }
.uia9-text-primary { color: var(--uia9-accent) !important; }
.uia9-text-muted { color: var(--uia9-text-muted); }
.uia9-mb-3 { margin-bottom: 1.5rem; }
.uia9-mt-3 { margin-top: 1.5rem; }
.uia9-flex { display: flex; }
.uia9-flex-center { justify-content: center; align-items: center; }
.uia9-grid { display: grid; gap: 1.5rem; }
.uia9-grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.uia9-active { color: var(--uia9-accent) !important; }

/* Loader */
.uia9-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--uia9-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.uia9-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--uia9-border);
  border-top: 4px solid var(--uia9-accent);
  border-radius: 50%;
  animation: uia9-spin 1s linear infinite;
}

@keyframes uia9-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Overlay */
.uia9-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 27, 42, 0.9);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--uia9-transition);
}

.uia9-overlay.uia9-active {
  opacity: 1;
  visibility: visible;
}

/* Header */
.uia9-header {
  background: var(--uia9-surface);
  border-bottom: 1px solid var(--uia9-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.uia9-header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.uia9-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--uia9-text);
  font-weight: 700;
  font-size: 1.25rem;
}

.uia9-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  overflow: hidden;
}

.uia9-nav-desktop {
  display: none;
  gap: 2rem;
}

.uia9-nav-link {
  text-decoration: none;
  color: var(--uia9-text-muted);
  font-weight: 500;
  transition: var(--uia9-transition);
  padding: 0.5rem 0;
  position: relative;
}

.uia9-nav-link:hover,
.uia9-nav-link.uia9-active {
  color: var(--uia9-accent);
}

.uia9-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.uia9-menu-btn {
  background: none;
  border: none;
  color: var(--uia9-text);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--uia9-radius);
  transition: var(--uia9-transition);
}

.uia9-menu-btn:hover {
  background: var(--uia9-border);
  color: var(--uia9-accent);
}

/* Mobile Menu */
.uia9-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--uia9-surface);
  z-index: 1001;
  transition: var(--uia9-transition);
  padding: 2rem 1rem;
  overflow-y: auto;
}

.uia9-mobile-menu.uia9-active {
  right: 0;
}

.uia9-nav-menu {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.uia9-nav-item .uia9-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--uia9-radius);
  transition: var(--uia9-transition);
}

.uia9-nav-item .uia9-nav-link:hover {
  background: var(--uia9-border);
}

/* Buttons */
.uia9-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--uia9-radius);
  font-family: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--uia9-transition);
  text-align: center;
  white-space: nowrap;
}

.uia9-btn-primary {
  background: var(--uia9-accent);
  color: var(--uia9-bg);
}

.uia9-btn-primary:hover {
  background: #7BC67B;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(152, 251, 152, 0.3);
}

.uia9-btn-secondary {
  background: var(--uia9-secondary);
  color: var(--uia9-text);
}

.uia9-btn-secondary:hover {
  background: #4A6A8A;
}

.uia9-btn-outline {
  background: transparent;
  color: var(--uia9-accent);
  border: 2px solid var(--uia9-accent);
}

.uia9-btn-outline:hover {
  background: var(--uia9-accent);
  color: var(--uia9-bg);
}

.uia9-btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.uia9-btn-lg { padding: 1rem 2rem; font-size: 1.125rem; }

/* Cards */
.uia9-card {
  background: var(--uia9-surface);
  border: 1px solid var(--uia9-border);
  border-radius: var(--uia9-radius);
  overflow: hidden;
  transition: var(--uia9-transition);
}

.uia9-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--uia9-shadow);
}

.uia9-card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--uia9-border);
}

.uia9-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--uia9-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.uia9-card-body {
  padding: 1.5rem;
}

.uia9-section-description {
  font-size: 1.125rem;
  color: var(--uia9-text-muted);
  line-height: 1.7;
}

/* Features */
.uia9-feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.uia9-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: rgba(248, 249, 250, 0.02);
  border-radius: var(--uia9-radius);
  border: 1px solid rgba(248, 249, 250, 0.1);
}

.uia9-feature-icon {
  color: var(--uia9-accent);
  font-size: 1.25rem;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

/* Game Grid */
.uia9-games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.uia9-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  background: var(--uia9-surface);
  border: 1px solid var(--uia9-border);
  border-radius: var(--uia9-radius);
  transition: var(--uia9-transition);
  cursor: pointer;
}

.uia9-game-item:hover {
  transform: translateY(-4px);
  border-color: var(--uia9-accent);
  box-shadow: 0 8px 25px var(--uia9-shadow);
}

.uia9-game-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--uia9-radius);
  object-fit: cover;
  margin-bottom: 0.75rem;
}

.uia9-game-name {
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  color: var(--uia9-text);
}

/* Stats Grid */
.uia9-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.uia9-stat-item {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--uia9-gradient-primary);
  border-radius: var(--uia9-radius);
}

.uia9-stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--uia9-accent);
}

.uia9-stat-label {
  display: block;
  font-size: 0.875rem;
  color: var(--uia9-text-muted);
  margin-top: 0.25rem;
}

/* Carousel */
.uia9-carousel {
  position: relative;
  margin: 1.5rem 0;
}

.uia9-slide {
  display: none;
  position: relative;
  border-radius: var(--uia9-radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--uia9-transition);
}

.uia9-slide.uia9-active {
  display: block;
}

.uia9-slide img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.uia9-slide-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  padding: 1.5rem 1rem 1rem;
  color: white;
}

.uia9-slide-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Footer */
.uia9-footer {
  background: var(--uia9-surface);
  border-top: 1px solid var(--uia9-border);
  margin-top: 3rem;
  padding: 2rem 0;
}

.uia9-footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.uia9-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.uia9-footer-link {
  color: var(--uia9-text-muted);
  text-decoration: none;
  transition: var(--uia9-transition);
}

.uia9-footer-link:hover {
  color: var(--uia9-accent);
}

.uia9-footer-text {
  text-align: center;
  color: var(--uia9-text-muted);
  font-size: 0.875rem;
}

/* Bottom Navigation */
.uia9-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--uia9-surface);
  border-top: 1px solid var(--uia9-border);
  display: flex;
  justify-content: space-around;
  padding: 0.75rem 0.5rem;
  z-index: 50;
}

.uia9-bottom-nav .uia9-nav-item {
  flex: 1;
  max-width: 80px;
}

.uia9-bottom-nav .uia9-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem;
  border-radius: 8px;
  transition: var(--uia9-transition);
}

.uia9-nav-icon {
  font-size: 1.25rem;
}

.uia9-nav-text {
  font-size: 0.75rem;
  font-weight: 500;
}

.uia9-bottom-nav .uia9-nav-item.uia9-active .uia9-nav-link {
  color: var(--uia9-accent);
  background: rgba(152, 251, 152, 0.1);
}

/* Main Wrapper */
.uia9-wrapper {
  padding-bottom: 80px;
}

.uia9-main {
  min-height: calc(100vh - 160px);
}

/* Responsive Design */
@media (min-width: 768px) {
  .uia9-container { padding: 0 2rem; }
  .uia9-section { padding: 3rem 0; }
  .uia9-h1 { font-size: 3rem; }
  .uia9-h2 { font-size: 2.5rem; }
  
  .uia9-nav-desktop { display: flex; }
  .uia9-menu-btn { display: none; }
  .uia9-bottom-nav { display: none; }
  .uia9-wrapper { padding-bottom: 0; }
  
  .uia9-games-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
  
  .uia9-game-icon {
    width: 100px;
    height: 100px;
  }
}

@media (min-width: 1024px) {
  .uia9-section { padding: 4rem 0; }
  .uia9-h1 { font-size: 3.5rem; }
  
  .uia9-games-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

/* Animations */
@keyframes uia9-fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.uia9-fade-in {
  animation: uia9-fadeIn 0.6s ease-out;
}

/* Hover Effects */
.uia9-promo-link {
  cursor: pointer;
  transition: var(--uia9-transition);
}

.uia9-promo-link:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--uia9-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--uia9-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--uia9-accent);
}