/**
 * 678bte Core CSS Styles
 * All classes prefixed with pg5f- for namespace isolation
 * Color palette: #495057 | #BAFFC9 | #2C2C2C | #FF8A80
 * Mobile-first design, max-width 430px
 */

/* CSS Variables */
:root {
  --pg5f-primary: #495057;
  --pg5f-secondary: #BAFFC9;
  --pg5f-bg: #2C2C2C;
  --pg5f-accent: #FF8A80;
  --pg5f-text: #f0f0f0;
  --pg5f-text-muted: #a0a0a0;
  --pg5f-border: #3a3a3a;
  --pg5f-card-bg: #333333;
  --pg5f-hover: #5a6268;
  --pg5f-success: #BAFFC9;
  --pg5f-gradient-start: #2C2C2C;
  --pg5f-gradient-end: #1a1a2e;
  --pg5f-radius: 8px;
  --pg5f-radius-lg: 12px;
  --pg5f-shadow: 0 2px 8px rgba(0,0,0,0.3);
  --pg5f-header-h: 56px;
  --pg5f-bottom-nav-h: 60px;
  font-size: 62.5%;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, var(--pg5f-gradient-start), var(--pg5f-gradient-end));
  color: var(--pg5f-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.pg5f-container { max-width: 430px; margin: 0 auto; width: 100%; padding: 0 1.2rem; }
.pg5f-wrapper { padding-top: var(--pg5f-header-h); }

/* Header */
.pg5f-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--pg5f-header-h);
  background: var(--pg5f-bg);
  border-bottom: 1px solid var(--pg5f-border);
  z-index: 1000;
  transition: box-shadow 0.3s ease;
}
.pg5f-header-scrolled { box-shadow: 0 2px 12px rgba(0,0,0,0.5); }
.pg5f-header-inner {
  max-width: 430px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; padding: 0 1rem;
}
.pg5f-logo-area { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.pg5f-logo-area img { width: 28px; height: 28px; border-radius: 4px; }
.pg5f-logo-area span { color: var(--pg5f-secondary); font-size: 1.6rem; font-weight: 700; }
.pg5f-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.pg5f-btn-register, .pg5f-btn-login {
  padding: 0.5rem 1.2rem; border-radius: var(--pg5f-radius);
  font-size: 1.2rem; font-weight: 600; cursor: pointer;
  border: none; outline: none; transition: all 0.2s ease;
  min-height: 36px; min-width: 60px;
}
.pg5f-btn-register {
  background: var(--pg5f-accent); color: var(--pg5f-bg);
}
.pg5f-btn-register:hover { background: #ff6b6b; transform: scale(1.05); }
.pg5f-btn-login {
  background: transparent; color: var(--pg5f-secondary);
  border: 1px solid var(--pg5f-secondary);
}
.pg5f-btn-login:hover { background: var(--pg5f-secondary); color: var(--pg5f-bg); }
.pg5f-menu-toggle {
  background: none; border: none; color: var(--pg5f-text);
  font-size: 2rem; cursor: pointer; padding: 0.4rem;
  display: flex; align-items: center; justify-content: center;
}

/* Mobile Menu */
.pg5f-mobile-menu {
  position: fixed; top: var(--pg5f-header-h); left: 0; right: 0;
  background: var(--pg5f-bg);
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease;
  z-index: 9999;
  border-bottom: 1px solid var(--pg5f-border);
}
.pg5f-menu-active { max-height: 500px !important; }
.pg5f-mobile-menu ul { list-style: none; padding: 0.5rem 0; }
.pg5f-mobile-menu li { border-bottom: 1px solid var(--pg5f-border); }
.pg5f-mobile-menu li:last-child { border-bottom: none; }
.pg5f-mobile-menu a {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 1rem 1.6rem; color: var(--pg5f-text);
  text-decoration: none; font-size: 1.4rem;
  transition: background 0.2s;
}
.pg5f-mobile-menu a:hover { background: var(--pg5f-hover); }
.pg5f-mobile-menu .material-icons, .pg5f-mobile-menu .fas, .pg5f-mobile-menu .bi {
  font-size: 2rem; color: var(--pg5f-secondary);
}

/* Bottom Navigation */
.pg5f-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--pg5f-bottom-nav-h);
  background: var(--pg5f-bg);
  border-top: 1px solid var(--pg5f-border);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.3);
}
.pg5f-bottom-nav-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 60px; min-height: 50px; background: none; border: none;
  color: var(--pg5f-text-muted); cursor: pointer;
  transition: all 0.2s ease; text-decoration: none;
  padding: 0.3rem;
}
.pg5f-bottom-nav-btn:hover, .pg5f-bottom-nav-btn:focus {
  color: var(--pg5f-secondary); transform: scale(1.1);
}
.pg5f-bottom-nav-btn.pg5f-nav-active { color: var(--pg5f-accent); }
.pg5f-bottom-nav-btn .material-icons,
.pg5f-bottom-nav-btn .fas,
.pg5f-bottom-nav-btn .bi,
.pg5f-bottom-nav-btn ion-icon { font-size: 2.2rem; margin-bottom: 0.2rem; }
.pg5f-bottom-nav-btn span { font-size: 1rem; line-height: 1.2; }

/* Carousel */
.pg5f-carousel { position: relative; overflow: hidden; border-radius: var(--pg5f-radius-lg); margin: 1rem 0; }
.pg5f-carousel-slide { display: none; width: 100%; cursor: pointer; }
.pg5f-carousel-slide img { width: 100%; height: auto; display: block; border-radius: var(--pg5f-radius-lg); }
.pg5f-carousel-dots { display: flex; justify-content: center; gap: 0.5rem; padding: 0.6rem 0; }
.pg5f-carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--pg5f-text-muted); cursor: pointer;
  transition: background 0.3s, transform 0.3s; border: none;
}
.pg5f-dot-active { background: var(--pg5f-accent); transform: scale(1.3); }

/* Game Section */
.pg5f-section { margin: 1.5rem 0; }
.pg5f-section-title {
  font-size: 1.8rem; font-weight: 700; color: var(--pg5f-secondary);
  margin-bottom: 1rem; padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--pg5f-accent);
  display: flex; align-items: center; gap: 0.5rem;
}
.pg5f-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}
.pg5f-game-item {
  text-align: center; cursor: pointer;
  transition: transform 0.2s;
  background: var(--pg5f-card-bg); border-radius: var(--pg5f-radius);
  padding: 0.5rem; overflow: hidden;
}
.pg5f-game-item:hover { transform: scale(1.05); }
.pg5f-game-item img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  border-radius: var(--pg5f-radius); margin-bottom: 0.3rem;
}
.pg5f-game-name {
  font-size: 1.05rem; color: var(--pg5f-text);
  overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; line-height: 1.3;
}

/* Content Cards */
.pg5f-card {
  background: var(--pg5f-card-bg); border-radius: var(--pg5f-radius-lg);
  padding: 1.4rem; margin: 1rem 0;
  border: 1px solid var(--pg5f-border);
}
.pg5f-card-title {
  font-size: 1.6rem; font-weight: 700; color: var(--pg5f-secondary);
  margin-bottom: 0.8rem;
}
.pg5f-card p { color: var(--pg5f-text); line-height: 1.6rem; margin-bottom: 0.6rem; font-size: 1.3rem; }

/* Buttons */
.pg5f-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.8rem 1.6rem; border-radius: var(--pg5f-radius);
  font-size: 1.3rem; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.2s ease;
  text-decoration: none; min-height: 44px;
}
.pg5f-btn-primary { background: var(--pg5f-accent); color: var(--pg5f-bg); }
.pg5f-btn-primary:hover { background: #ff6b6b; transform: translateY(-2px); }
.pg5f-btn-secondary { background: var(--pg5f-secondary); color: var(--pg5f-bg); }
.pg5f-btn-secondary:hover { background: #8fe6a5; transform: translateY(-2px); }
.pg5f-btn-outline {
  background: transparent; color: var(--pg5f-accent);
  border: 2px solid var(--pg5f-accent);
}
.pg5f-btn-outline:hover { background: var(--pg5f-accent); color: var(--pg5f-bg); }
.pg5f-btn-block { display: flex; width: 100%; }

/* Promo Link Styles */
.pg5f-promo-link {
  color: var(--pg5f-accent); font-weight: 700;
  text-decoration: underline; cursor: pointer;
  transition: color 0.2s;
}
.pg5f-promo-link:hover { color: #ff6b6b; }

/* Footer */
.pg5f-footer {
  background: var(--pg5f-bg); border-top: 1px solid var(--pg5f-border);
  padding: 2rem 1.2rem; margin-top: 2rem;
}
.pg5f-footer-brand { color: var(--pg5f-text-muted); font-size: 1.2rem; line-height: 1.6; margin-bottom: 1.2rem; }
.pg5f-footer-links { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.2rem; }
.pg5f-footer-links a {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.5rem 1rem; background: var(--pg5f-card-bg);
  color: var(--pg5f-text); border-radius: var(--pg5f-radius);
  font-size: 1.1rem; text-decoration: none;
  transition: all 0.2s; border: 1px solid var(--pg5f-border);
}
.pg5f-footer-links a:hover { border-color: var(--pg5f-accent); color: var(--pg5f-accent); }
.pg5f-footer-copy { color: var(--pg5f-text-muted); font-size: 1.1rem; text-align: center; padding-top: 1rem; border-top: 1px solid var(--pg5f-border); }

/* Typography */
h1, h2, h3 { color: var(--pg5f-text); }
h1 { font-size: 2rem; line-height: 1.4; margin-bottom: 1rem; }
h2 { font-size: 1.7rem; line-height: 1.3; margin-bottom: 0.8rem; }
h3 { font-size: 1.5rem; line-height: 1.3; margin-bottom: 0.6rem; }

/* Utility */
.pg5f-text-center { text-align: center; }
.pg5f-mt-1 { margin-top: 1rem; }
.pg5f-mt-2 { margin-top: 2rem; }
.pg5f-mb-1 { margin-bottom: 1rem; }
.pg5f-mb-2 { margin-bottom: 2rem; }
.pg5f-hidden { display: none !important; }
.pg5f-divider { border: none; border-top: 1px solid var(--pg5f-border); margin: 1.2rem 0; }

/* Winner Showcase */
.pg5f-winner-list { list-style: none; }
.pg5f-winner-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.6rem 0; border-bottom: 1px solid var(--pg5f-border);
  font-size: 1.2rem;
}
.pg5f-winner-name { color: var(--pg5f-secondary); font-weight: 600; }
.pg5f-winner-amount { color: var(--pg5f-accent); font-weight: 700; }

/* Testimonial */
.pg5f-testimonial {
  background: var(--pg5f-card-bg); border-radius: var(--pg5f-radius-lg);
  padding: 1rem; margin: 0.6rem 0; border-left: 3px solid var(--pg5f-accent);
}
.pg5f-testimonial-text { font-size: 1.2rem; color: var(--pg5f-text); font-style: italic; margin-bottom: 0.4rem; }
.pg5f-testimonial-author { font-size: 1.1rem; color: var(--pg5f-text-muted); }

/* Payment Icons Row */
.pg5f-payment-row { display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; margin: 1rem 0; }
.pg5f-payment-item {
  background: var(--pg5f-card-bg); border-radius: var(--pg5f-radius);
  padding: 0.5rem 1rem; font-size: 1.2rem; color: var(--pg5f-text);
  border: 1px solid var(--pg5f-border);
}

/* Stats Grid */
.pg5f-stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
.pg5f-stat-item {
  background: var(--pg5f-card-bg); border-radius: var(--pg5f-radius);
  padding: 0.8rem; text-align: center; border: 1px solid var(--pg5f-border);
}
.pg5f-stat-value { font-size: 1.8rem; font-weight: 700; color: var(--pg5f-accent); }
.pg5f-stat-label { font-size: 1.1rem; color: var(--pg5f-text-muted); }

/* FAQ Accordion */
.pg5f-faq-item { border-bottom: 1px solid var(--pg5f-border); padding: 0.8rem 0; }
.pg5f-faq-q { font-weight: 600; color: var(--pg5f-secondary); font-size: 1.3rem; margin-bottom: 0.4rem; }
.pg5f-faq-a { color: var(--pg5f-text); font-size: 1.2rem; line-height: 1.5; }

/* Responsive - Desktop hides bottom nav */
@media (min-width: 769px) {
  .pg5f-bottom-nav { display: none; }
  .pg5f-container { max-width: 430px; }
}
@media (max-width: 768px) {
  .pg5f-wrapper { padding-bottom: 80px; }
}