/* ph678 Main Stylesheet - Mobile-First Design */
/* Color Palette: #7CFC00 | #262626 | #008000 | #00695C | #A9A9A9 | #F0FDFF */

/* CSS Variables */
:root {
  --sa63-primary: #7CFC00;
  --sa63-bg: #262626;
  --sa63-text: #F0FDFF;
  --sa63-secondary: #008000;
  --sa63-accent: #00695C;
  --sa63-gray: #A9A9A9;
  --sa63-border-radius: 8px;
  --sa63-shadow: 0 2px 8px rgba(0,0,0,0.15);
  --sa63-transition: all 0.3s ease;
  --sa63-header-height: 60px;
  --sa63-bottom-nav-height: 64px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--sa63-text);
  background-color: var(--sa63-bg);
  overflow-x: hidden;
}

/* Container & Layout */
.sa63-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.sa63-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.sa63-main {
  flex: 1;
  padding-top: var(--sa63-header-height);
  padding-bottom: calc(var(--sa63-bottom-nav-height) + 2rem);
}

/* Header Navigation */
.sa63-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--sa63-bg) 0%, #1a1a1a 100%);
  box-shadow: var(--sa63-shadow);
  height: var(--sa63-header-height);
}

.sa63-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 1.5rem;
}

.sa63-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--sa63-text);
  font-weight: 700;
  font-size: 1.8rem;
}

.sa63-logo img {
  width: 28px;
  height: 28px;
  margin-right: 0.8rem;
  border-radius: 4px;
}

.sa63-nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sa63-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.2rem;
  border: none;
  border-radius: var(--sa63-border-radius);
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--sa63-transition);
  min-height: 44px;
  justify-content: center;
}

.sa63-btn-primary {
  background: linear-gradient(135deg, var(--sa63-primary) 0%, var(--sa63-secondary) 100%);
  color: var(--sa63-bg);
}

.sa63-btn-primary:hover,
.sa63-btn-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(124, 252, 0, 0.3);
}

.sa63-btn-secondary {
  background: transparent;
  color: var(--sa63-text);
  border: 1px solid var(--sa63-accent);
}

.sa63-btn-secondary:hover,
.sa63-btn-secondary:active {
  background: var(--sa63-accent);
  transform: translateY(-1px);
}

.sa63-btn-accent {
  background: linear-gradient(135deg, var(--sa63-accent) 0%, var(--sa63-secondary) 100%);
  color: var(--sa63-text);
}

/* Mobile Menu Button */
.sa63-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.8rem;
  min-height: 44px;
  min-width: 44px;
  justify-content: center;
  align-items: center;
}

.sa63-menu-btn span {
  width: 20px;
  height: 2px;
  background: var(--sa63-text);
  transition: var(--sa63-transition);
}

.sa63-menu-open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.sa63-menu-open span:nth-child(2) {
  opacity: 0;
}

.sa63-menu-open span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation Menu */
.sa63-nav-menu {
  position: fixed;
  top: var(--sa63-header-height);
  left: 0;
  right: 0;
  background: var(--sa63-bg);
  transform: translateY(-100%);
  transition: var(--sa63-transition);
  z-index: 999;
  box-shadow: var(--sa63-shadow);
  max-height: calc(100vh - var(--sa63-header-height));
  overflow-y: auto;
}

.sa63-menu-active {
  transform: translateY(0);
}

.sa63-nav-menu a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  color: var(--sa63-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 253, 255, 0.1);
  transition: var(--sa63-transition);
  min-height: 44px;
}

.sa63-nav-menu a:hover,
.sa63-nav-menu a:active {
  background: rgba(124, 252, 0, 0.1);
  color: var(--sa63-primary);
}

.sa63-nav-menu i {
  font-size: 1.6rem;
  width: 24px;
  text-align: center;
}

/* Carousel Styles */
.sa63-carousel-container {
  position: relative;
  margin: 2rem 0;
  border-radius: var(--sa63-border-radius);
  overflow: hidden;
  box-shadow: var(--sa63-shadow);
}

.sa63-carousel {
  display: flex;
  transition: var(--sa63-transition);
}

.sa63-slide {
  min-width: 100%;
  position: relative;
  cursor: pointer;
}

.sa63-slide img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.sa63-slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
  padding: 2rem 1.5rem 1.5rem;
}

.sa63-carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  padding: 1rem;
  background: rgba(38, 38, 38, 0.9);
}

.sa63-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sa63-gray);
  cursor: pointer;
  transition: var(--sa63-transition);
}

.sa63-indicator-active {
  background: var(--sa63-primary);
}

/* Game Grid Styles */
.sa63-games-section {
  margin: 3rem 0;
}

.sa63-section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--sa63-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

.sa63-games-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.sa63-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--sa63-text);
  padding: 1rem 0.5rem;
  border-radius: var(--sa63-border-radius);
  background: rgba(240, 253, 255, 0.05);
  transition: var(--sa63-transition);
  min-height: 44px;
  justify-content: center;
}

.sa63-game-item:hover,
.sa63-game-item:active,
.sa63-game-hover {
  background: rgba(124, 252, 0, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(124, 252, 0, 0.2);
}

.sa63-game-img {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  object-fit: cover;
}

.sa63-game-name {
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.2;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* Card Components */
.sa63-card {
  background: rgba(240, 253, 255, 0.03);
  border-radius: var(--sa63-border-radius);
  padding: 2rem 1.5rem;
  margin: 2rem 0;
  border: 1px solid rgba(240, 253, 255, 0.1);
}

.sa63-card-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--sa63-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

.sa63-card-content {
  font-size: 1.4rem;
  line-height: 1.6;
}

/* Feature Grid */
.sa63-feature-grid {
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0;
}

.sa63-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem;
  background: rgba(240, 253, 255, 0.05);
  border-radius: var(--sa63-border-radius);
  border-left: 4px solid var(--sa63-primary);
}

.sa63-feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--sa63-primary) 0%, var(--sa63-secondary) 100%);
  color: var(--sa63-bg);
  border-radius: 50%;
  font-size: 2rem;
  flex-shrink: 0;
}

.sa63-feature-content h3 {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--sa63-primary);
  margin-bottom: 0.5rem;
}

.sa63-feature-content p {
  font-size: 1.3rem;
  color: var(--sa63-gray);
  margin: 0;
}

/* Statistics Grid */
.sa63-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.sa63-stat-item {
  text-align: center;
  padding: 2rem 1rem;
  background: rgba(240, 253, 255, 0.05);
  border-radius: var(--sa63-border-radius);
  border: 1px solid rgba(124, 252, 0, 0.2);
}

.sa63-stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--sa63-primary);
  margin-bottom: 0.5rem;
}

.sa63-stat-label {
  font-size: 1.2rem;
  color: var(--sa63-gray);
}

/* FAQ Styles */
.sa63-faq-item {
  margin: 1.5rem 0;
  border: 1px solid rgba(240, 253, 255, 0.1);
  border-radius: var(--sa63-border-radius);
  overflow: hidden;
}

.sa63-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  background: rgba(240, 253, 255, 0.05);
  cursor: pointer;
  font-weight: 600;
  color: var(--sa63-primary);
  min-height: 44px;
}

.sa63-faq-answer {
  padding: 1.5rem;
  color: var(--sa63-gray);
  display: none;
}

.sa63-faq-active .sa63-faq-answer {
  display: block;
}

/* Footer Styles */
.sa63-footer {
  background: linear-gradient(135deg, #1a1a1a 0%, var(--sa63-bg) 100%);
  padding: 3rem 0 calc(var(--sa63-bottom-nav-height) + 1rem);
  border-top: 1px solid rgba(240, 253, 255, 0.1);
}

.sa63-footer-content {
  text-align: center;
}

.sa63-footer-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--sa63-primary);
  margin-bottom: 1rem;
}

.sa63-footer-desc {
  font-size: 1.3rem;
  color: var(--sa63-gray);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.sa63-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
}

.sa63-footer-links a,
.sa63-footer-links button {
  color: var(--sa63-text);
  text-decoration: none;
  font-size: 1.2rem;
  padding: 0.8rem 1.2rem;
  border-radius: var(--sa63-border-radius);
  background: rgba(240, 253, 255, 0.05);
  border: 1px solid rgba(240, 253, 255, 0.1);
  transition: var(--sa63-transition);
  cursor: pointer;
}

.sa63-footer-links a:hover,
.sa63-footer-links button:hover {
  background: rgba(124, 252, 0, 0.1);
  color: var(--sa63-primary);
}

.sa63-partners {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin: 2rem 0;
  align-items: center;
}

.sa63-partner-logo {
  width: 100%;
  max-width: 48px;
  height: 32px;
  object-fit: contain;
  opacity: 0.6;
  transition: var(--sa63-transition);
  margin: 0 auto;
  display: block;
}

.sa63-partner-logo:hover {
  opacity: 1;
}

.sa63-copyright {
  font-size: 1.1rem;
  color: var(--sa63-gray);
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(240, 253, 255, 0.1);
}

/* Bottom Navigation */
.sa63-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--sa63-bg) 0%, #1a1a1a 100%);
  border-top: 1px solid rgba(240, 253, 255, 0.1);
  display: flex;
  height: var(--sa63-bottom-nav-height);
  box-shadow: 0 -2px 8px rgba(0,0,0,0.15);
}

.sa63-bottom-nav a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--sa63-gray);
  transition: var(--sa63-transition);
  padding: 0.8rem 0.5rem;
  min-height: 44px;
}

.sa63-bottom-nav a:hover,
.sa63-bottom-nav a:active,
.sa63-nav-active {
  color: var(--sa63-primary) !important;
  background: rgba(124, 252, 0, 0.1);
}

.sa63-bottom-nav i,
.sa63-bottom-nav ion-icon {
  font-size: 2rem;
  margin-bottom: 0.2rem;
}

.sa63-bottom-nav span {
  font-size: 1rem;
  font-weight: 500;
}

/* Utility Classes */
.sa63-text-center {
  text-align: center;
}

.sa63-text-left {
  text-align: left;
}

.sa63-text-right {
  text-align: right;
}

.sa63-mt-1 { margin-top: 1rem; }
.sa63-mt-2 { margin-top: 2rem; }
.sa63-mb-1 { margin-bottom: 1rem; }
.sa63-mb-2 { margin-bottom: 2rem; }

.sa63-hidden {
  display: none;
}

.sa63-visible {
  display: block;
}

/* Responsive Design */
@media (min-width: 431px) {
  .sa63-container {
    max-width: 768px;
  }
  
  .sa63-games-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  
  .sa63-stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .sa63-partners {
    grid-template-columns: repeat(10, 1fr);
  }
}

@media (min-width: 769px) {
  .sa63-container {
    max-width: 1200px;
  }
  
  .sa63-games-grid {
    grid-template-columns: repeat(8, 1fr);
  }
  
  .sa63-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Loading and Animation States */
.sa63-loading {
  opacity: 0.6;
  pointer-events: none;
}

.sa63-fade-in {
  animation: sa63FadeIn 0.5s ease-in-out;
}

@keyframes sa63FadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.sa63-pulse {
  animation: sa63Pulse 2s infinite;
}

@keyframes sa63Pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* Focus States for Accessibility */
.sa63-btn:focus,
.sa63-game-item:focus,
.sa63-nav-menu a:focus {
  outline: 2px solid var(--sa63-primary);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --sa63-primary: #00FF00;
    --sa63-text: #FFFFFF;
    --sa63-bg: #000000;
  }
}