/**
 * Bingo Card - Core Stylesheet
 * Website: bingocard.sbs
 * All classes use pgf9- prefix for namespace isolation
 * Color palette: #0F0F23 | #F5DEB3 | #8B7355 | #CD853F | #FF5722
 */

:root {
  --pgf9-primary: #CD853F;
  --pgf9-accent: #FF5722;
  --pgf9-bg: #0F0F23;
  --pgf9-bg-light: #1a1a3e;
  --pgf9-bg-card: #15153a;
  --pgf9-text: #F5DEB3;
  --pgf9-text-muted: #8B7355;
  --pgf9-border: #2a2a5a;
  --pgf9-gold: #FFD700;
  --pgf9-white: #ffffff;
  --pgf9-radius: 1.2rem;
  --pgf9-shadow: 0 0.4rem 1.2rem rgba(0, 0, 0, 0.4);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--pgf9-bg);
  color: var(--pgf9-text);
  line-height: 1.5rem;
  max-width: 430px;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: var(--pgf9-primary); }
ul { list-style: none; }

/* Container */
.pgf9-container { width: 100%; padding: 0 1.2rem; margin: 0 auto; max-width: 430px; }
.pgf9-wrapper { padding-top: 6rem; }

/* Header */
.pgf9-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: linear-gradient(135deg, var(--pgf9-bg) 0%, var(--pgf9-bg-light) 100%);
  border-bottom: 0.2rem solid var(--pgf9-border);
  max-width: 430px; margin: 0 auto;
  height: 5.6rem;
}
.pgf9-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.8rem 1.2rem; height: 100%;
}
.pgf9-logo-area { display: flex; align-items: center; gap: 0.8rem; }
.pgf9-logo-area img { width: 2.8rem; height: 2.8rem; border-radius: 0.6rem; }
.pgf9-site-name {
  font-size: 1.6rem; font-weight: 700; color: var(--pgf9-gold);
  letter-spacing: 0.05rem;
}
.pgf9-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.pgf9-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.6rem 1.2rem; border-radius: 0.8rem; font-size: 1.2rem;
  font-weight: 600; cursor: pointer; border: none; transition: all 0.2s ease;
  min-height: 3.6rem;
}
.pgf9-btn-register {
  background: linear-gradient(135deg, var(--pgf9-accent), #ff7a45);
  color: var(--pgf9-white);
}
.pgf9-btn-register:hover { transform: scale(1.05); box-shadow: 0 0 1rem rgba(255,87,34,0.5); }
.pgf9-btn-login {
  background: transparent; border: 0.15rem solid var(--pgf9-primary);
  color: var(--pgf9-primary);
}
.pgf9-btn-login:hover { background: rgba(205,133,63,0.15); }
.pgf9-menu-toggle {
  background: none; border: none; color: var(--pgf9-text); font-size: 2rem;
  cursor: pointer; padding: 0.4rem; display: flex; align-items: center;
}

/* Mobile Menu */
.pgf9-mobile-menu {
  position: fixed; top: 5.6rem; left: 0; right: 0; z-index: 9999;
  background: var(--pgf9-bg-light); border-bottom: 0.2rem solid var(--pgf9-border);
  max-width: 430px; margin: 0 auto; padding: 1rem 0;
  transform: translateY(-120%); transition: transform 0.3s ease;
  opacity: 0; pointer-events: none;
}
.pgf9-mobile-menu.pgf9-menu-active {
  transform: translateY(0); opacity: 1; pointer-events: auto;
}
.pgf9-menu-link {
  display: block; padding: 1rem 1.6rem; color: var(--pgf9-text);
  font-size: 1.4rem; border-bottom: 0.1rem solid var(--pgf9-border);
  transition: background 0.2s;
}
.pgf9-menu-link:hover { background: rgba(205,133,63,0.1); color: var(--pgf9-gold); }

/* Carousel */
.pgf9-carousel {
  position: relative; width: 100%; overflow: hidden;
  border-radius: var(--pgf9-radius); margin-top: 1rem;
}
.pgf9-carousel-slide {
  display: none; width: 100%; cursor: pointer;
}
.pgf9-carousel-slide.pgf9-slide-active { display: block; }
.pgf9-carousel-slide img { width: 100%; border-radius: var(--pgf9-radius); aspect-ratio: 16/9; object-fit: cover; }
.pgf9-carousel-dots {
  display: flex; justify-content: center; gap: 0.6rem;
  padding: 0.8rem 0;
}
.pgf9-carousel-dot {
  width: 0.8rem; height: 0.8rem; border-radius: 50%;
  background: var(--pgf9-text-muted); border: none; cursor: pointer;
  transition: background 0.3s;
}
.pgf9-carousel-dot.pgf9-dot-active { background: var(--pgf9-gold); transform: scale(1.2); }

/* Section */
.pgf9-section {
  padding: 2rem 1.2rem;
}
.pgf9-section-title {
  font-size: 1.8rem; font-weight: 700; color: var(--pgf9-gold);
  margin-bottom: 1.2rem; padding-bottom: 0.6rem;
  border-bottom: 0.2rem solid var(--pgf9-primary);
}
.pgf9-section-subtitle {
  font-size: 1.4rem; font-weight: 600; color: var(--pgf9-primary);
  margin: 1.4rem 0 0.8rem;
}

/* Game Grid */
.pgf9-game-category-title {
  font-size: 1.5rem; font-weight: 700; color: var(--pgf9-text);
  margin: 1.6rem 0 1rem; padding-left: 0.4rem;
  border-left: 0.3rem solid var(--pgf9-accent);
}
.pgf9-game-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}
.pgf9-game-item {
  text-align: center; cursor: pointer; transition: transform 0.2s;
}
.pgf9-game-item:hover { transform: scale(1.05); }
.pgf9-game-item img {
  width: 100%; aspect-ratio: 1/1; object-fit: cover;
  border-radius: 1rem; border: 0.15rem solid var(--pgf9-border);
  margin-bottom: 0.4rem;
}
.pgf9-game-item span {
  font-size: 1.1rem; color: var(--pgf9-text); display: block;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Cards */
.pgf9-card {
  background: var(--pgf9-bg-card); border-radius: var(--pgf9-radius);
  padding: 1.4rem; margin-bottom: 1.2rem; border: 0.1rem solid var(--pgf9-border);
}
.pgf9-card-title {
  font-size: 1.4rem; font-weight: 600; color: var(--pgf9-gold);
  margin-bottom: 0.8rem;
}
.pgf9-card p {
  font-size: 1.3rem; line-height: 1.8rem; color: var(--pgf9-text);
  margin-bottom: 0.6rem;
}

/* Promo CTA */
.pgf9-cta-box {
  background: linear-gradient(135deg, rgba(255,87,34,0.15), rgba(205,133,63,0.15));
  border: 0.15rem solid var(--pgf9-accent);
  border-radius: var(--pgf9-radius); padding: 1.6rem;
  text-align: center; margin: 1.4rem 0;
}
.pgf9-cta-box p { font-size: 1.3rem; margin-bottom: 1rem; }
.pgf9-cta-btn {
  display: inline-block; padding: 1rem 2.4rem;
  background: linear-gradient(135deg, var(--pgf9-accent), #ff7a45);
  color: var(--pgf9-white); font-size: 1.4rem; font-weight: 700;
  border-radius: 1rem; cursor: pointer; border: none;
  transition: all 0.2s; text-transform: uppercase;
}
.pgf9-cta-btn:hover { transform: scale(1.05); box-shadow: 0 0 1.5rem rgba(255,87,34,0.4); }
.pgf9-text-link {
  color: var(--pgf9-primary); font-weight: 600; cursor: pointer;
  border-bottom: 0.1rem dashed var(--pgf9-primary);
}

/* Bottom Nav */
.pgf9-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  background: linear-gradient(180deg, #1a1a3e 0%, #0d0d2a 100%);
  border-top: 0.15rem solid var(--pgf9-border);
  max-width: 430px; margin: 0 auto;
  height: 6rem; display: flex; justify-content: space-around; align-items: center;
  padding: 0 0.4rem;
}
.pgf9-nav-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 6rem; min-height: 5rem; background: none; border: none;
  color: var(--pgf9-text-muted); cursor: pointer; transition: all 0.2s;
  gap: 0.2rem;
}
.pgf9-nav-btn:hover, .pgf9-nav-btn.pgf9-nav-active { color: var(--pgf9-gold); }
.pgf9-nav-btn:hover { transform: scale(1.08); }
.pgf9-nav-btn i, .pgf9-nav-btn .material-icons-outlined,
.pgf9-nav-btn ion-icon, .pgf9-nav-btn bi {
  font-size: 2.2rem; line-height: 1;
}
.pgf9-nav-btn span { font-size: 1rem; line-height: 1.2; }

/* Footer */
.pgf9-footer {
  background: var(--pgf9-bg-light); border-top: 0.15rem solid var(--pgf9-border);
  padding: 2rem 1.2rem 8rem;
}
.pgf9-footer-brand { margin-bottom: 1.4rem; }
.pgf9-footer-brand p { font-size: 1.2rem; color: var(--pgf9-text-muted); line-height: 1.6rem; }
.pgf9-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0;
}
.pgf9-footer-link {
  padding: 0.5rem 1rem; background: var(--pgf9-bg-card);
  border: 0.1rem solid var(--pgf9-border); border-radius: 0.6rem;
  font-size: 1.1rem; color: var(--pgf9-text); cursor: pointer;
  transition: all 0.2s;
}
.pgf9-footer-link:hover { border-color: var(--pgf9-primary); color: var(--pgf9-gold); }
.pgf9-footer-copy {
  font-size: 1.1rem; color: var(--pgf9-text-muted); text-align: center;
  margin-top: 1.4rem; padding-top: 1rem; border-top: 0.1rem solid var(--pgf9-border);
}

/* Help Pages */
.pgf9-help-content { padding: 1rem 1.2rem 2rem; }
.pgf9-help-content h2 { font-size: 1.6rem; color: var(--pgf9-gold); margin: 1.6rem 0 0.8rem; }
.pgf9-help-content h3 { font-size: 1.4rem; color: var(--pgf9-primary); margin: 1.2rem 0 0.6rem; }
.pgf9-help-content p { font-size: 1.3rem; line-height: 1.8rem; margin-bottom: 0.8rem; }
.pgf9-help-content ul { padding-left: 1.6rem; margin-bottom: 0.8rem; }
.pgf9-help-content li { font-size: 1.3rem; line-height: 1.8rem; margin-bottom: 0.4rem; list-style: disc; }

/* Responsive */
@media (min-width: 769px) {
  .pgf9-bottom-nav { display: none; }
  body { max-width: 430px; }
}
@media (max-width: 768px) {
  .pgf9-wrapper { padding-bottom: 8rem; }
}