/**
 * GCash Games - Main Stylesheet
 * All classes use pg4b- prefix for namespace isolation
 * Mobile-first design, max-width 430px
 */

/* CSS Variables */
:root {
  --pg4b-primary: #34495E;
  --pg4b-bg: #141414;
  --pg4b-bg-light: #1a1a2e;
  --pg4b-bg-card: #1e1e30;
  --pg4b-text: #BDC3C7;
  --pg4b-text-light: #D3D3D3;
  --pg4b-accent: #34495E;
  --pg4b-accent-light: #4a6b82;
  --pg4b-border: #2a2a3e;
  --pg4b-success: #27ae60;
  --pg4b-warning: #f39c12;
  --pg4b-gold: #f1c40f;
  --pg4b-radius: 8px;
  --pg4b-radius-lg: 12px;
  font-size: 62.5%;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--pg4b-text);
  background: var(--pg4b-bg);
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.pg4b-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.pg4b-wrapper { padding: 1rem 0; }
.pg4b-grid { display: grid; gap: 1rem; }
.pg4b-flex { display: flex; align-items: center; }

/* Header */
.pg4b-header {
  position: fixed; top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px; z-index: 1000;
  background: rgba(20, 20, 20, 0.95); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--pg4b-border);
  padding: 0.8rem 1rem;
}
.pg4b-header-inner { display: flex; align-items: center; justify-content: space-between; }
.pg4b-logo { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.pg4b-logo img { width: 28px; height: 28px; border-radius: 4px; }
.pg4b-logo-text { color: var(--pg4b-text-light); font-size: 1.6rem; font-weight: 700; letter-spacing: 0.5px; }
.pg4b-header-actions { display: flex; gap: 0.6rem; align-items: center; }
.pg4b-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.6rem 1.2rem; border-radius: var(--pg4b-radius);
  font-size: 1.2rem; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.2s ease; text-decoration: none;
  min-height: 36px;
}
.pg4b-btn-register {
  background: linear-gradient(135deg, var(--pg4b-accent), var(--pg4b-accent-light));
  color: #fff;
}
.pg4b-btn-register:hover { opacity: 0.9; transform: scale(1.02); }
.pg4b-btn-login {
  background: transparent; color: var(--pg4b-text-light);
  border: 1px solid var(--pg4b-border);
}
.pg4b-btn-login:hover { border-color: var(--pg4b-accent-light); }

/* Menu Toggle */
.pg4b-menu-toggle {
  background: none; border: none; color: var(--pg4b-text);
  font-size: 2rem; cursor: pointer; padding: 0.4rem;
  display: flex; align-items: center; justify-content: center;
}

/* Mobile Menu */
.pg4b-mobile-menu {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease;
  background: rgba(20, 20, 20, 0.98);
  border-top: 1px solid var(--pg4b-border);
}
.pg4b-menu-active { max-height: 500px !important; }
.pg4b-menu-list { list-style: none; padding: 0.5rem 0; }
.pg4b-menu-list li a {
  display: block; padding: 0.9rem 1.5rem; color: var(--pg4b-text);
  text-decoration: none; font-size: 1.3rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all 0.2s ease;
}
.pg4b-menu-list li a:hover { color: var(--pg4b-text-light); background: rgba(255,255,255,0.05); }

/* Carousel */
.pg4b-carousel { position: relative; overflow: hidden; border-radius: var(--pg4b-radius-lg); margin: 0.5rem 0; }
.pg4b-carousel-slide {
  display: none; width: 100%; cursor: pointer;
  border-radius: var(--pg4b-radius-lg); overflow: hidden;
}
.pg4b-slide-active { display: block; }
.pg4b-carousel-slide img { width: 100%; height: auto; display: block; }
.pg4b-carousel-dots {
  position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px;
}
.pg4b-carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.4); cursor: pointer;
  transition: all 0.2s ease; border: none;
}
.pg4b-dot-active { background: var(--pg4b-gold); transform: scale(1.2); }

/* Section Modules */
.pg4b-section { padding: 1.5rem 0; }
.pg4b-section-title {
  font-size: 1.6rem; font-weight: 700; color: var(--pg4b-text-light);
  margin-bottom: 1rem; padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--pg4b-accent);
}

/* Game Grid */
.pg4b-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}
.pg4b-game-item {
  text-align: center; cursor: pointer;
  transition: transform 0.2s ease;
}
.pg4b-game-item:hover { transform: scale(1.05); }
.pg4b-game-item img {
  width: 100%; aspect-ratio: 1; border-radius: var(--pg4b-radius);
  object-fit: cover; border: 1px solid var(--pg4b-border);
}
.pg4b-game-name {
  font-size: 1rem; color: var(--pg4b-text);
  margin-top: 0.3rem; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}

/* Category Header */
.pg4b-cat-header {
  display: flex; align-items: center; gap: 0.6rem;
  margin-bottom: 0.8rem; margin-top: 1.5rem;
}
.pg4b-cat-header i, .pg4b-cat-header .material-icons { font-size: 2rem; color: var(--pg4b-gold); }
.pg4b-cat-title { font-size: 1.5rem; font-weight: 700; color: var(--pg4b-text-light); }

/* Cards */
.pg4b-card {
  background: var(--pg4b-bg-card); border-radius: var(--pg4b-radius-lg);
  padding: 1.2rem; border: 1px solid var(--pg4b-border);
  margin-bottom: 1rem;
}
.pg4b-card-title { font-size: 1.4rem; font-weight: 600; color: var(--pg4b-text-light); margin-bottom: 0.6rem; }
.pg4b-card p { color: var(--pg4b-text); line-height: 1.6; font-size: 1.3rem; }

/* Promo Buttons */
.pg4b-promo-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 1rem 2rem; border-radius: var(--pg4b-radius-lg);
  background: linear-gradient(135deg, var(--pg4b-accent), #2c5f7c);
  color: #fff; font-size: 1.4rem; font-weight: 700;
  cursor: pointer; border: none; width: 100%;
  transition: all 0.3s ease; text-align: center;
  text-decoration: none;
}
.pg4b-promo-btn:hover { opacity: 0.9; transform: translateY(-1px); }

/* Promo text link */
.pg4b-promo-link {
  color: var(--pg4b-gold); font-weight: 600;
  text-decoration: underline; cursor: pointer;
}
.pg4b-promo-link:hover { color: #f5d020; }

/* Footer */
.pg4b-footer {
  background: var(--pg4b-bg-light); padding: 2rem 0 8rem;
  border-top: 1px solid var(--pg4b-border); margin-top: 2rem;
}
.pg4b-footer-brand { text-align: center; margin-bottom: 1.5rem; }
.pg4b-footer-brand p { color: var(--pg4b-text); font-size: 1.2rem; line-height: 1.6; max-width: 380px; margin: 0 auto; }
.pg4b-footer-promos {
  display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center;
  margin-bottom: 1.5rem;
}
.pg4b-footer-promos .pg4b-btn { font-size: 1.1rem; padding: 0.5rem 0.8rem; }
.pg4b-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center;
  margin-bottom: 1.2rem;
}
.pg4b-footer-links a {
  color: var(--pg4b-text); text-decoration: none; font-size: 1.1rem;
  transition: color 0.2s ease;
}
.pg4b-footer-links a:hover { color: var(--pg4b-text-light); }
.pg4b-copyright {
  text-align: center; color: rgba(189,195,199,0.5); font-size: 1rem;
  padding-top: 1rem; border-top: 1px solid var(--pg4b-border);
}

/* Bottom Navigation */
.pg4b-bottom-nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px; z-index: 1000;
  background: linear-gradient(180deg, rgba(20,20,30,0.97), rgba(10,10,20,0.99));
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--pg4b-border);
  display: flex; justify-content: space-around; align-items: center;
  height: 60px; padding: 0 0.4rem;
}
.pg4b-bottom-nav-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 60px; min-height: 56px; background: none; border: none;
  color: rgba(189,195,199,0.6); cursor: pointer;
  transition: all 0.2s ease; padding: 0.2rem 0; text-decoration: none;
}
.pg4b-bottom-nav-btn i,
.pg4b-bottom-nav-btn .material-icons,
.pg4b-bottom-nav-btn ion-icon {
  font-size: 22px; margin-bottom: 2px;
}
.pg4b-bottom-nav-btn span { font-size: 1rem; line-height: 1.2; }
.pg4b-bottom-nav-btn:hover { color: var(--pg4b-text-light); transform: scale(1.05); }
.pg4b-btn-active { color: var(--pg4b-gold) !important; }

/* Content spacing for bottom nav */
@media (max-width: 768px) {
  .pg4b-main { padding-bottom: 80px; }
}

/* Hide bottom nav on desktop */
@media (min-width: 769px) {
  .pg4b-bottom-nav { display: none; }
}

/* Utility Classes */
.pg4b-text-center { text-align: center; }
.pg4b-mt-1 { margin-top: 0.5rem; }
.pg4b-mt-2 { margin-top: 1rem; }
.pg4b-mb-1 { margin-bottom: 0.5rem; }
.pg4b-mb-2 { margin-bottom: 1rem; }
.pg4b-hidden { display: none; }

/* Responsive adjustments */
@media (max-width: 320px) {
  .pg4b-game-grid { grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
  .pg4b-game-name { font-size: 0.9rem; }
}
@media (min-width: 376px) and (max-width: 430px) {
  .pg4b-game-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Animation */
@keyframes pg4b-fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.pg4b-animate { animation: pg4b-fadeIn 0.4s ease forwards; }

/* Winner badge */
.pg4b-winner-badge {
  display: inline-block; background: rgba(39,174,96,0.2); color: var(--pg4b-success);
  padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 1rem; font-weight: 600;
}

/* FAQ accordion */
.pg4b-faq-item { margin-bottom: 0.8rem; }
.pg4b-faq-q {
  font-weight: 600; color: var(--pg4b-text-light); font-size: 1.3rem;
  margin-bottom: 0.4rem; cursor: pointer;
}
.pg4b-faq-a { color: var(--pg4b-text); font-size: 1.2rem; padding-left: 1rem; border-left: 2px solid var(--pg4b-accent); }

/* Tips list */
.pg4b-tips-list { list-style: none; counter-reset: tips; }
.pg4b-tips-list li {
  counter-increment: tips; padding: 0.6rem 0; padding-left: 2.5rem;
  position: relative; color: var(--pg4b-text); font-size: 1.3rem; line-height: 1.5;
}
.pg4b-tips-list li::before {
  content: counter(tips); position: absolute; left: 0; top: 0.6rem;
  width: 2rem; height: 2rem; border-radius: 50%;
  background: var(--pg4b-accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 700;
}

/* Stats grid */
.pg4b-stats-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}
.pg4b-stat-item {
  text-align: center; padding: 0.8rem;
  background: var(--pg4b-bg-card); border-radius: var(--pg4b-radius);
  border: 1px solid var(--pg4b-border);
}
.pg4b-stat-value { font-size: 1.8rem; font-weight: 700; color: var(--pg4b-gold); }
.pg4b-stat-label { font-size: 1rem; color: var(--pg4b-text); margin-top: 0.2rem; }

/* Testimonial */
.pg4b-testimonial {
  background: var(--pg4b-bg-card); border-radius: var(--pg4b-radius-lg);
  padding: 1rem 1.2rem; border-left: 3px solid var(--pg4b-accent);
  margin-bottom: 0.8rem;
}
.pg4b-testimonial-text { font-style: italic; color: var(--pg4b-text); font-size: 1.2rem; margin-bottom: 0.4rem; }
.pg4b-testimonial-author { color: var(--pg4b-gold); font-size: 1.1rem; font-weight: 600; }