/* 789b layout stylesheet - VN site */
/* All custom classes use ui6b- prefix */

:root {
  --ui6b-primary: #4B0082;
  --ui6b-bg: #3A3A3A;
  --ui6b-magenta: #8B008B;
  --ui6b-violet: #6A5ACD;
  --ui6b-lime: #ADFF2F;
  --ui6b-text: #F5F5F5;
  --ui6b-text-dim: #C9C9C9;
  --ui6b-card-bg: #2A2A2A;
  --ui6b-card-bg-2: #333333;
  --ui6b-border: rgba(173, 255, 47, 0.18);
  --ui6b-gradient: linear-gradient(135deg, #4B0082 0%, #8B008B 50%, #6A5ACD 100%);
  --ui6b-radius: 12px;
}

* { box-sizing: border-box; }

html { font-size: 62.5%; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ui6b-bg);
  color: var(--ui6b-text);
  font-family: "Segoe UI", "Roboto", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  line-height: 1.5rem;
  -webkit-text-size-adjust: 100%;
}

body { max-width: 430px; margin: 0 auto; position: relative; }

img { max-width: 100%; display: block; }

a { color: var(--ui6b-lime); text-decoration: none; }
a:hover { text-decoration: underline; }

.ui6b-container { width: 100%; padding: 0 1.2rem; margin: 0 auto; }
.ui6b-wrapper { padding: 1rem 0; }

/* ============ Header ============ */
.ui6b-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(75,0,130,0.96) 0%, rgba(58,58,58,0.96) 100%);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ui6b-border);
  max-width: 430px;
  margin: 0 auto;
}
.ui6b-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.8rem;
  gap: 0.6rem;
}
.ui6b-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ui6b-lime);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.5px;
}
.ui6b-logo img { width: 28px; height: 28px; border-radius: 6px; }
.ui6b-logo .ui6b-logo-text { background: linear-gradient(90deg, var(--ui6b-lime), var(--ui6b-violet)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.ui6b-header-actions { display: flex; align-items: center; gap: 0.45rem; }

.ui6b-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border: none;
  border-radius: 30px;
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 36px;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.ui6b-btn:active { transform: scale(0.95); }
.ui6b-btn-login {
  background: transparent;
  color: var(--ui6b-text);
  border: 1px solid var(--ui6b-lime);
}
.ui6b-btn-register {
  background: var(--ui6b-lime);
  color: #1a1a1a;
  box-shadow: 0 2px 8px rgba(173,255,47,0.35);
}
.ui6b-btn-register:hover { text-decoration: none; }

.ui6b-menu-toggle {
  background: transparent;
  border: 1px solid rgba(173,255,47,0.4);
  color: var(--ui6b-lime);
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.4rem;
}

/* ============ Mobile menu ============ */
.ui6b-mobile-menu {
  position: fixed;
  top: 0; right: 0;
  width: 78%;
  height: 100%;
  background: #1f1f1f;
  z-index: 9999;
  transform: translateX(100%);
  transition: transform 0.28s ease;
  padding: 6rem 1.2rem 2rem;
  box-shadow: -4px 0 20px rgba(0,0,0,0.5);
}
.ui6b-mobile-menu.ui6b-menu-open { transform: translateX(0); }
.ui6b-mobile-menu ul { list-style: none; padding: 0; margin: 0; }
.ui6b-mobile-menu li { border-bottom: 1px solid rgba(255,255,255,0.06); }
.ui6b-mobile-menu a {
  display: block;
  padding: 1.1rem 0.6rem;
  color: var(--ui6b-text);
  font-size: 1.4rem;
}
.ui6b-mobile-menu a:hover { color: var(--ui6b-lime); text-decoration: none; }
.ui6b-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 9998;
  display: none;
}
.ui6b-mobile-menu.ui6b-menu-open + .ui6b-menu-overlay { display: block; }
.ui6b-menu-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: transparent;
  border: none;
  color: var(--ui6b-lime);
  font-size: 1.8rem;
  cursor: pointer;
}

/* ============ Carousel ============ */
.ui6b-carousel {
  position: relative;
  margin: 5.4rem 1rem 1.2rem;
  border-radius: var(--ui6b-radius);
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0,0,0,0.45);
}
.ui6b-slide { display: none; position: relative; }
.ui6b-slide img { width: 100%; height: 180px; object-fit: cover; }
.ui6b-slide-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.7rem 0.9rem;
  background: linear-gradient(0deg, rgba(0,0,0,0.78), transparent);
  font-size: 1.3rem;
  font-weight: 600;
}
.ui6b-carousel-controls { display: flex; justify-content: center; gap: 0.4rem; padding: 0.5rem 0; }
.ui6b-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: none; cursor: pointer; padding: 0;
}
.ui6b-dot.ui6b-dot-active { background: var(--ui6b-lime); }

/* ============ Hero / Section ============ */
.ui6b-section { padding: 1.2rem; margin-bottom: 1rem; }
.ui6b-section-title {
  font-size: 1.55rem;
  margin: 0 0 0.8rem;
  color: var(--ui6b-lime);
  border-left: 4px solid var(--ui6b-magenta);
  padding-left: 0.7rem;
}
.ui6b-section-text { font-size: 1.25rem; color: var(--ui6b-text-dim); margin: 0.4rem 0 1rem; }

.ui6b-h1 {
  font-size: 2rem;
  margin: 0.4rem 0 1rem;
  background: var(--ui6b-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
}

/* ============ Chips ============ */
.ui6b-chips { display: flex; gap: 0.5rem; overflow-x: auto; padding: 0.5rem 0; flex-wrap: nowrap; }
.ui6b-chip {
  flex: 0 0 auto;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--ui6b-border);
  background: var(--ui6b-card-bg);
  color: var(--ui6b-text-dim);
  border-radius: 18px;
  font-size: 1.1rem;
  cursor: pointer;
  white-space: nowrap;
}
.ui6b-chip.ui6b-chip-active { background: var(--ui6b-magenta); color: var(--ui6b-lime); }

/* ============ Game grid ============ */
.ui6b-cat-section { margin: 0.8rem 0 1.4rem; }
.ui6b-cat-title {
  font-size: 1.35rem;
  color: var(--ui6b-violet);
  margin: 0.6rem 0;
  display: flex; align-items: center; gap: 0.5rem;
}
.ui6b-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem;
}
.ui6b-card {
  background: var(--ui6b-card-bg);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  text-align: center;
  transition: transform 0.15s ease, border-color 0.2s ease;
}
.ui6b-card:active { transform: scale(0.94); border-color: var(--ui6b-lime); }
.ui6b-card img { width: 100%; height: 76px; object-fit: cover; }
.ui6b-card-name {
  font-size: 1rem;
  color: var(--ui6b-text-dim);
  padding: 0.35rem 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============
Promo CTA ============ */
.ui6b-promo-cta {
  margin: 1.2rem;
  padding: 1.2rem;
  border-radius: var(--ui6b-radius);
  background: var(--ui6b-gradient);
  text-align: center;
  box-shadow: 0 6px 18px rgba(139,0,139,0.35);
}
.ui6b-promo-cta h3 { margin: 0 0 0.4rem; color: var(--ui6b-lime); font-size: 1.5rem; }
.ui6b-promo-cta p { margin: 0 0 0.9rem; font-size: 1.2rem; color: var(--ui6b-text); }

/* ============ Features list ============ */
.ui6b-features { display: grid; grid-template-columns: 1fr; gap: 0.7rem; padding: 0 1rem; }
.ui6b-feature {
  display: flex; align-items: flex-start; gap: 0.7rem;
  padding: 0.7rem;
  background: var(--ui6b-card-bg);
  border-radius: 10px;
  border-left: 3px solid var(--ui6b-violet);
}
.ui6b-feature i { color: var(--ui6b-lime); font-size: 1.8rem; margin-top: 0.2rem; }
.ui6b-feature h4 { margin: 0 0 0.2rem; font-size: 1.3rem; color: var(--ui6b-text); }
.ui6b-feature p { margin: 0; font-size: 1.15rem; color: var(--ui6b-text-dim); }

/* ============ FAQ ============ */
.ui6b-faq-item {
  background: var(--ui6b-card-bg);
  border-radius: 8px;
  padding: 0.8rem;
  margin: 0.5rem 1rem;
  border: 1px solid rgba(255,255,255,0.05);
}
.ui6b-faq-item h4 { margin: 0 0 0.3rem; font-size: 1.25rem; color: var(--ui6b-lime); }
.ui6b-faq-item p { margin: 0; font-size: 1.15rem; color: var(--ui6b-text-dim); }

/* ============ Testimonials ============ */
.ui6b-testi { padding: 0 1rem; display: grid; gap: 0.6rem; }
.ui6b-testi-card {
  background: var(--ui6b-card-bg);
  border-radius: 10px;
  padding: 0.8rem;
  border-left: 3px solid var(--ui6b-magenta);
}
.ui6b-testi-card .ui6b-stars { color: #FFD700; font-size: 1rem; }
.ui6b-testi-card p { margin: 0.3rem 0; font-size: 1.15rem; color: var(--ui6b-text); }
.ui6b-testi-card .ui6b-author { font-size: 1.05rem; color: var(--ui6b-text-dim); }

/* ============ Winners ============ */
.ui6b-winners {
  list-style: none;
  margin: 0; padding: 0 1rem;
  display: flex; flex-direction: column; gap: 0.4rem;
}
.ui6b-winner {
  background: var(--ui6b-card-bg);
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  font-size: 1.1rem;
  color: var(--ui6b-text);
  display: flex; align-items: center; gap: 0.5rem;
  animation: ui6bFadeIn 0.4s ease;
}
.ui6b-winner i { color: #FFD700; }
@keyframes ui6bFadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ============ Payment / App ============ */
.ui6b-pay { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0 1rem; }
.ui6b-pay span {
  background: var(--ui6b-card-bg);
  padding: 0.45rem 0.8rem;
  border-radius: 6px;
  font-size: 1.1rem;
  border: 1px solid rgba(255,255,255,0.06);
}
.ui6b-app-cta {
  display: flex; gap: 0.5rem; justify-content: center;
  margin: 1rem;
}
.ui6b-app-cta .ui6b-btn { background: rgba(255,255,255,0.08); color: var(--ui6b-text); border: 1px solid var(--ui6b-lime); }

/* ============ Footer ============ */
.ui6b-footer {
  background: #1c1c1c;
  padding: 1.4rem 1.2rem 7rem;
  border-top: 2px solid var(--ui6b-magenta);
  font-size: 1.1rem;
  color: var(--ui6b-text-dim);
}
.ui6b-footer h4 { color: var(--ui6b-lime); font-size: 1.25rem; margin: 0.6rem 0 0.4rem; }
.ui6b-footer-links { display: flex; flex-wrap: wrap; gap: 0.4rem 0.8rem; }
.ui6b-footer-links a { color: var(--ui6b-text); font-size: 1.1rem; }
.ui6b-footer-promos { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.6rem 0; }
.ui6b-footer-promos .ui6b-btn { background: var(--ui6b-magenta); color: var(--ui6b-text); font-size: 1.1rem; padding: 0.45rem 0.9rem; }
.ui6b-footer-copy { margin-top: 0.8rem; font-size: 1rem; color: #8a8a8a; }

/* ============ Bottom nav ============ */
.ui6b-bnav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1000;
  height: 60px;
  background: linear-gradient(180deg, rgba(75,0,130,0.98), rgba(40,40,40,0.98));
  border-top: 1px solid var(--ui6b-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 430px;
  margin: 0 auto;
}
.ui6b-bnav-btn {
  flex: 1 1 0;
  min-width: 60px;
  min-height: 60px;
  background: transparent;
  border: none;
  color: var(--ui6b-text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  font-size: 1rem;
  transition: color 0.2s ease, transform 0.18s ease;
}
.ui6b-bnav-btn:active { transform: scale(0.9); }
.ui6b-bnav-btn i, .ui6b-bnav-btn .material-icons, .ui6b-bnav-btn ion-icon { font-size: 24px; }
.ui6b-bnav-btn.ui6b-bnav-active { color: var(--ui6b-lime); }
.ui6b-bnav-btn:hover { color: var(--ui6b-lime); }
.ui6b-bnav-badge {
  position: absolute; top: 4px; right: 12px;
  background: var(--ui6b-magenta); color: #fff;
  font-size: 0.85rem; padding: 0 5px; border-radius: 8px;
  min-width: 16px; text-align: center;
}

/* ============ Desktop: hide bottom nav ============ */
@media (min-width: 769px) {
  .ui6b-bnav { display: none; }
}
@media (max-width: 768px) {
  main, .ui6b-main { padding-bottom: 80px; }
}

/* Utility */
.ui6b-center { text-align: center; }
.ui6b-mt { margin-top: 1rem; }
.ui6b-mb { margin-bottom: 1rem; }
.ui6b-hidden { display: none !important; }