/* 33win3 basefiles CSS - class prefix: ui3b- */
/* Color palette: #BBBBBB | #1A1A1A | #2C3E50 | #5D5D5D */

:root {
  --ui3b-bg: #1A1A1A;
  --ui3b-bg-2: #232323;
  --ui3b-card: #2C3E50;
  --ui3b-gray: #5D5D5D;
  --ui3b-text: #BBBBBB;
  --ui3b-text-strong: #F0F0F0;
  --ui3b-accent: #C9A24B;
  --ui3b-border: #3a3a3a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }
body {
  background: var(--ui3b-bg);
  color: var(--ui3b-text);
  font-family: "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.5rem;
  line-height: 1.5;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
  overflow-x: hidden;
}
a { color: var(--ui3b-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.ui3b-no-scroll { overflow: hidden; }

/* ---------- Header ---------- */
.ui3b-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, #1f1f1f, #141414);
  border-bottom: 1px solid var(--ui3b-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  height: 5.6rem;
}
.ui3b-brand { display: flex; align-items: center; gap: 0.6rem; }
.ui3b-logo { width: 3.4rem; height: 3.4rem; border-radius: 8px; object-fit: cover; }
.ui3b-brand-name {
  color: var(--ui3b-text-strong);
  font-weight: 800;
  font-size: 1.9rem;
  letter-spacing: 0.5px;
}
.ui3b-brand-name span { color: var(--ui3b-accent); }
.ui3b-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.ui3b-menu-btn {
  background: transparent;
  border: 1px solid var(--ui3b-border);
  color: var(--ui3b-text-strong);
  width: 3.6rem; height: 3.6rem;
  border-radius: 8px;
  font-size: 1.8rem;
  display: flex; align-items: center; justify-content: center;
}
.ui3b-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.4rem;
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  min-height: 3.8rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s;
}
.ui3b-btn:active { transform: scale(0.96); }
.ui3b-btn-register {
  background: linear-gradient(135deg, #C9A24B, #a07d28);
  color: #1A1A1A;
  box-shadow: 0 4px 12px rgba(201, 162, 75, 0.35);
}
.ui3b-btn-login {
  background: transparent;
  color: var(--ui3b-text-strong);
  border: 1px solid var(--ui3b-accent);
}

/* ---------- Mobile slide-in menu ---------- */
.ui3b-menu-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  z-index: 9998;
}
#ui3b-mobile-menu.ui3b-open ~ .ui3b-menu-overlay,
#ui3b-mobile-menu.ui3b-open { visibility: visible; }
#ui3b-mobile-menu.ui3b-open ~ .ui3b-menu-overlay { opacity: 1; pointer-events: auto; }
#ui3b-mobile-menu {
  position: fixed;
  top: 0; right: 0;
  width: 80%;
  max-width: 320px;
  height: 100%;
  background: #161616;
  border-left: 1px solid var(--ui3b-border);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 9999;
  padding: 2rem 1.4rem;
  overflow-y: auto;
  visibility: hidden;
}
#ui3b-mobile-menu.ui3b-open { transform: translateX(0); visibility: visible; }
.ui3b-menu-close {
  position: absolute; top: 1rem; right: 1rem;
  background: transparent; border: none; color: var(--ui3b-text-strong);
  font-size: 2.2rem; cursor: pointer;
}
.ui3b-menu-title {
  color: var(--ui3b-accent); font-size: 1.6rem; font-weight: 700;
  margin: 1rem 0 0.8rem; text-transform: uppercase; letter-spacing: 1px;
}
.ui3b-menu-list { list-style: none; }
.ui3b-menu-list li { margin-bottom: 0.6rem; }
.ui3b-menu-list a {
  display: block;
  color: var(--ui3b-text-strong);
  padding: 0.9rem 0.8rem;
  border-radius: 8px;
  background: #1f1f1f;
  border: 1px solid var(--ui3b-border);
  font-size: 1.5rem;
}
.ui3b-menu-list a:hover { background: #2a2a2a; text-decoration: none; }

/* ---------- Hero / Slider ---------- */
.ui3b-slider {
  position: relative;
  margin: 1rem;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}
.ui3b-slide {
  display: none;
  position: relative;
}
.ui3b-slide.ui3b-active { display: block; }
.ui3b-slide img { width: 100%; height: 18rem; object-fit: cover; }
.ui3b-slide-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1rem 1.2rem;
  background: linear-gradient(0deg, rgba(0,0,0,0.85), rgba(0,0,0,0));
  color: var(--ui3b-text-strong);
}
.ui3b-slide-caption h2 { font-size: 1.8rem; margin-bottom: 0.3rem; color: var(--ui3b-accent); }
.ui3b-slide-caption p { font-size: 1.3rem; }
.ui3b-dots {
  position: absolute;
  bottom: 0.8rem;
  right: 1rem;
  display: flex; gap: 0.4rem;
}
.ui3b-dot {
  width: 0.7rem; height: 0.7rem;
  background: rgba(255,255,255,0.4);
  border-radius: 50%;
}
.ui3b-dot.ui3b-active { background: var(--ui3b-accent); }

/* ---------- CTA strip ---------- */
.ui3b-cta {
  margin: 0 1rem 1rem;
  background: linear-gradient(135deg, #2C3E50, #1A1A1A);
  border: 1px solid var(--ui3b-border);
  border-radius: 12px;
  padding: 1.2rem;
  text-align: center;
}
.ui3b-cta h3 { color: var(--ui3b-text-strong); font-size: 1.7rem; margin-bottom: 0.6rem; }
.ui3b-cta p { color: var(--ui3b-text); font-size: 1.35rem; margin-bottom: 1rem; }
.ui3b-cta-btns { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Section ---------- */
.ui3b-section { padding: 1.4rem 1rem; }
.ui3b-section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem;
}
.ui3b-section-head h2 {
  color: var(--ui3b-text-strong);
  font-size: 1.9rem;
  position: relative;
  padding-left: 1rem;
}
.ui3b-section-head h2::before {
  content: "";
  position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 1.6rem; background: var(--ui3b-accent); border-radius: 2px;
}
.ui3b-section-head a { font-size: 1.3rem; }

/* ---------- Category tabs ---------- */
.ui3b-cats {
  display: flex; gap: 0.5rem; overflow-x: auto;
  padding: 0.5rem 1rem 1rem;
  scrollbar-width: none;
}
.ui3b-cats::-webkit-scrollbar { display: none; }
.ui3b-cat-tab {
  flex: 0 0 auto;
  background: #232323;
  border: 1px solid var(--ui3b-border);
  color: var(--ui3b-text);
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.ui3b-cat-tab.ui3b-active {
  background: var(--ui3b-accent);
  color: #1A1A1A;
  border-color: var(--ui3b-accent);
}

/* ---------- Game grid ---------- */
.ui3b-game-group { margin-bottom: 1.4rem; }
.ui3b-game-group-title {
  color: var(--ui3b-accent);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 1rem 0.8rem;
}
.ui3b-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  padding: 0 1rem;
}
.ui3b-card {
  background: var(--ui3b-bg-2);
  border: 1px solid var(--ui3b-border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  display: block;
  text-align: left;
}
.ui3b-card:hover { transform: translateY(-2px); box-shadow: 0 6px 14px rgba(0,0,0,0.45); text-decoration: none; }
.ui3b-card img { width: 100%; height: 9rem; object-fit: cover; background: #111; }
.ui3b-card-body { padding: 0.4rem 0.5rem 0.6rem; }
.ui3b-card-name {
  color: var(--ui3b-text-strong);
  font-size: 1.2rem;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ui3b-card-tag {
  display: inline-block;
  background: var(--ui3b-card);
  color: var(--ui3b-text-strong);
  font-size: 1rem;
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  margin-top: 0.3rem;
}
.ui3b-play-link {
  display: block;
  text-align: center;
  margin: 0.6rem 1rem 0;
  padding: 0.9rem;
  background: transparent;
  border: 1px dashed var(--ui3b-accent);
  color: var(--ui3b-accent);
  border-radius: 10px;
  font-weight: 700;
  font-size: 1.4rem;
}
.ui3b-play-link:hover { background: rgba(201,162,75,0.12); text-decoration: none; }

/* ---------- SEO content ---------- */
.ui3b-seo {
  padding: 1.4rem 1rem;
  background: #161616;
  margin-top: 1rem;
}
.ui3b-seo h2 { color: var(--ui3b-accent); font-size: 1.8rem; margin-bottom: 0.8rem; }
.ui3b-seo h3 { color: var(--ui3b-text-strong); font-size: 1.5rem; margin: 1rem 0 0.5rem; }
.ui3b-seo p { color: var(--ui3b-text); margin-bottom: 0.8rem; }
.ui3b-seo ul { padding-left: 1.6rem; margin-bottom: 0.8rem; }
.ui3b-seo li { color: var(--ui3b-text); margin-bottom: 0.4rem; }
.ui3b-seo a { color: var(--ui3b-accent); }

/* ---------- Feature list ---------- */
.ui3b-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  padding: 0 1rem;
}
.ui3b-feature {
  background: var(--ui3b-bg-2);
  border: 1px solid var(--ui3b-border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
}
.ui3b-feature i, .ui3b-feature span.material-icons-outlined {
  font-size: 2.6rem; color: var(--ui3b-accent); margin-bottom: 0.4rem;
}
.ui3b-feature h4 { color: var(--ui3b-text-strong); font-size: 1.4rem; margin-bottom: 0.3rem; }
.ui3b-feature p { color: var(--ui3b-text); font-size: 1.2rem; }

/* ---------- FAQ ---------- */
.ui3b-faq { padding: 1.4rem 1rem; }
.ui3b-faq-item {
  background: var(--ui3b-bg-2);
  border: 1px solid var(--ui3b-border);
  border-radius: 8px;
  margin-bottom: 0.6rem;
  padding: 0.9rem 1rem;
}
.ui3b-faq-item h3 { color: var(--ui3b-accent); font-size: 1.4rem; margin-bottom: 0.4rem; }
.ui3b-faq-item p { color: var(--ui3b-text); font-size: 1.3rem; }

/* ---------- Footer ---------- */
.ui3b-footer {
  background: #111;
  border-top: 1px solid var(--ui3b-border);
  padding: 1.6rem 1rem 9rem;
  margin-top: 1rem;
}
.ui3b-footer-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.ui3b-footer-col h4 { color: var(--ui3b-accent); font-size: 1.3rem; margin-bottom: 0.6rem; text-transform: uppercase; }
.ui3b-footer-col ul { list-style: none; }
.ui3b-footer-col li { margin-bottom: 0.4rem; }
.ui3b-footer-col a { color: var(--ui3b-text); font-size: 1.3rem; }
.ui3b-footer-bottom {
  border-top: 1px solid var(--ui3b-border);
  padding-top: 1rem;
  text-align: center;
  color: var(--ui3b-gray);
  font-size: 1.2rem;
}
.ui3b-18plus {
  display: inline-block;
  border: 1px solid var(--ui3b-gray);
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  color: var(--ui3b-text);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

/* ---------- Back to top ---------- */
#ui3b-to-top {
  position: fixed;
  right: 1rem;
  bottom: 7.5rem;
  width: 4rem; height: 4rem;
  background: var(--ui3b-card);
  border: 1px solid var(--ui3b-accent);
  color: var(--ui3b-accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 999;
}
#ui3b-to-top.ui3b-show { opacity: 1; pointer-events: auto; }

/* ---------- Mobile bottom nav ---------- */
.ui3b-bottom-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  max-width: 430px;
  margin: 0 auto;
  height: 6.2rem;
  background: linear-gradient(180deg, #1f1f1f, #0e0e0e);
  border-top: 1px solid var(--ui3b-accent);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  z-index: 1000;
}
.ui3b-bottom-nav a, .ui3b-bottom-nav button {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  background: transparent;
  border: none;
  color: var(--ui3b-text);
  font-size: 1.05rem;
  text-decoration: none;
  min-width: 60px;
  min-height: 60px;
  position: relative;
  transition: color 0.15s;
}
.ui3b-bottom-nav a i,
.ui3b-bottom-nav button i,
.ui3b-bottom-nav a span.material-icons-outlined,
.ui3b-bottom-nav button span.material-icons-outlined,
.ui3b-bottom-nav a ion-icon,
.ui3b-bottom-nav button ion-icon { font-size: 2.2rem; }
.ui3b-bottom-nav a:hover, .ui3b-bottom-nav button:hover { color: var(--ui3b-accent); text-decoration: none; }
.ui3b-bottom-nav .ui3b-nav-promo {
  color: var(--ui3b-accent);
  font-weight: 700;
}
.ui3b-bottom-nav .ui3b-nav-promo i { filter: drop-shadow(0 0 4px rgba(201,162,75,0.5)); }
.ui3b-bottom-nav .ui3b-active-nav { color: var(--ui3b-accent); }
.ui3b-bottom-nav .ui3b-active-nav::before {
  content: "";
  position: absolute; top: 0; left: 50%;
  transform: translateX(-50%);
  width: 2.4rem; height: 3px;
  background: var(--ui3b-accent);
  border-radius: 0 0 3px 3px;
}

/* ---------- Fade animation ---------- */
.ui3b-fade { opacity: 0; transform: translateY(12px); transition: opacity 0.4s ease, transform 0.4s ease; }
.ui3b-fade.ui3b-in { opacity: 1; transform: none; }

/* ---------- Mobile bottom padding for content clearance ---------- */
@media (max-width: 768px) {
  main { padding-bottom: 8rem; }
}

/* ---------- Desktop: hide bottom nav, widen layout ---------- */
@media (min-width: 769px) {
  .ui3b-bottom-nav { display: none; }
  body { max-width: 960px; }
  .ui3b-grid { grid-template-columns: repeat(5, 1fr); }
  .ui3b-features { grid-template-columns: repeat(4, 1fr); }
  .ui3b-footer-cols { grid-template-columns: repeat(4, 1fr); }
}