/* 3666bet app - style.css
   All custom classes use the ui3b- prefix.
   Color palette: #0F0F23 | #CED4DA | #F08080 | #F0F8FF | #5F9EA0 | #AFEEEE
   Dark background, light text, mobile-first (max-width 430px). */

:root {
  --ui3b-bg: #0F0F23;
  --ui3b-bg-2: #161636;
  --ui3b-bg-3: #1d1d44;
  --ui3b-text: #CED4DA;
  --ui3b-text-light: #F0F8FF;
  --ui3b-accent: #F08080;
  --ui3b-accent-2: #5F9EA0;
  --ui3b-mint: #AFEEEE;
  --ui3b-gold: #FFD27A;
  --ui3b-border: rgba(206, 212, 218, 0.12);
  --ui3b-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
  --ui3b-radius: 14px;
  --ui3b-header-h: 58px;
  --ui3b-bottomnav-h: 62px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }

body {
  font-family: "Segoe UI", "Noto Sans Bengali", system-ui, -apple-system, sans-serif;
  background: var(--ui3b-bg);
  color: var(--ui3b-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
  overflow-x: hidden;
}

a { color: var(--ui3b-mint); text-decoration: none; }
a:hover, a:focus { color: var(--ui3b-accent); }
img { max-width: 100%; display: block; }

h1, h2, h3 { color: var(--ui3b-text-light); line-height: 1.8rem; }
h1 { font-size: 2rem; margin: 1.2rem 0; }
h2 { font-size: 1.7rem; margin: 1rem 0; }
h3 { font-size: 1.5rem; margin: 0.8rem 0; }
p { margin: 0.6rem 0; }

/* ===== Header ===== */
.ui3b-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--ui3b-header-h);
  background: linear-gradient(90deg, var(--ui3b-bg-2), var(--ui3b-bg-3));
  border-bottom: 1px solid var(--ui3b-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1rem; z-index: 1000; max-width: 430px; margin: 0 auto;
}
.ui3b-brand { display: flex; align-items: center; gap: 0.6rem; }
.ui3b-brand img { width: 30px; height: 30px; border-radius: 8px; }
.ui3b-brand-name { color: var(--ui3b-text-light); font-weight: 700; font-size: 1.5rem; }
.ui3b-brand-name span { color: var(--ui3b-accent); }

.ui3b-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.ui3b-btn {
  border: none; border-radius: 10px; padding: 0.7rem 1.1rem;
  font-size: 1.25rem; font-weight: 700; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  min-height: 40px; display: inline-flex; align-items: center; gap: 0.4rem;
}
.ui3b-btn:hover { transform: translateY(-1px); }
.ui3b-btn-login {
  background: transparent; color: var(--ui3b-mint);
  border: 1px solid var(--ui3b-accent-2);
}
.ui3b-btn-register {
  background: linear-gradient(90deg, var(--ui3b-accent), #e26b6b);
  color: var(--ui3b-text-light); box-shadow: 0 4px 14px rgba(240, 128, 128, 0.35);
}
.ui3b-menu-toggle {
  background: transparent; border: none; color: var(--ui3b-text-light);
  font-size: 2.2rem; cursor: pointer; padding: 0 0.3rem; min-width: 44px; min-height: 44px;
}

/* ===== Mobile menu ===== */
.ui3b-mobile-menu {
  position: fixed; top: var(--ui3b-header-h); left: 0; right: 0;
  background: var(--ui3b-bg-2); border-bottom: 1px solid var(--ui3b-border);
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  z-index: 9999; max-width: 430px; margin: 0 auto;
}
.ui3b-mobile-menu.ui3b-menu-open { max-height: 460px; }
.ui3b-mobile-menu ul { list-style: none; padding: 0.6rem 1rem; }
.ui3b-mobile-menu li { border-bottom: 1px solid var(--ui3b-border); }
.ui3b-mobile-menu li:last-child { border-bottom: none; }
.ui3b-mobile-menu a {
  display: block; padding: 1rem 0.4rem; color: var(--ui3b-text); font-size: 1.35rem;
}
.ui3b-mobile-menu a i { color: var(--ui3b-accent-2); margin-right: 0.6rem; }

/* ===== Layout ===== */
.ui3b-main { padding-top: calc(var(--ui3b-header-h) + 0.8rem); }
.ui3b-section { padding: 1.2rem 1rem; }
.ui3b-section-title {
  display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.8rem;
  border-left: 4px solid var(--ui3b-accent); padding-left: 0.7rem;
}
.ui3b-section-title i { color: var(--ui3b-accent-2); }
.ui3b-section-title h2 { margin: 0; }

/* ===== Carousel ===== */
.ui3b-carousel {
  position: relative; border-radius: var(--ui3b-radius); overflow: hidden;
  box-shadow: var(--ui3b-shadow); margin: 0.4rem 0 1rem;
}
.ui3b-slide {
  display: none; position: relative; cursor: pointer;
}
.ui3b-slide.ui3b-slide-active { display: block; }
.ui3b-slide img { width: 100%; height: 200px; object-fit: cover; }
.ui3b-slide-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(transparent, rgba(15, 15, 35, 0.92));
  padding: 1.6rem 1rem 0.9rem; color: var(--ui3b-text-light);
}
.ui3b-slide-caption strong { color: var(--ui3b-mint); font-size: 1.5rem; }
.ui3b-dots {
  position: absolute; bottom: 8px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 6px; z-index: 5;
}
.ui3b-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(240, 248, 255, 0.5); cursor: pointer; border: none;
}
.ui3b-dot.ui3b-dot-active { background: var(--ui3b-accent); }

/* ===== Game grid ===== */
.ui3b-cat-block { margin-bottom: 1.4rem; }
.ui3b-cat-head {
  display: flex; align-items: center; justify-content: space-between;
  margin: 0.4rem 0 0.8rem;
}
.ui3b-cat-head h3 { margin: 0; color: var(--ui3b-mint); }
.ui3b-cat-head .ui3b-cat-badge {
  background: var(--ui3b-bg-3); color: var(--ui3b-gold);
  padding: 0.2rem 0.7rem; border-radius: 20px; font-size: 1.1rem;
}
.ui3b-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem;
}
.ui3b-card {
  background: var(--ui3b-bg-2); border: 1px solid var(--ui3b-border);
  border-radius: 12px; overflow: hidden; cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
  text-align: center;
}
.ui3b-card:hover, .ui3b-card:active {
  transform: translateY(-2px); border-color: var(--ui3b-accent);
}
.ui3b-card-img { width: 100%; height: 78px; object-fit: cover; }
.ui3b-card-name {
  font-size: 1.1rem; color: var(--ui3b-text-light); padding: 0.4rem 0.3rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ===== Feature / info blocks ===== */
.ui3b-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.7rem; }
.ui3b-feature {
  background: var(--ui3b-bg-2); border-radius: 12px; padding: 0.9rem;
  border: 1px solid var(--ui3b-border);
}
.ui3b-feature i { font-size: 2rem; color: var(--ui3b-accent); }
.ui3b-feature h3 { margin: 0.4rem 0 0.2rem; font-size: 1.3rem; }
.ui3b-feature p { font-size: 1.15rem; margin: 0; }

.ui3b-faq { background: var(--ui3b-bg-2); border-radius: 12px; padding: 0.6rem 1rem; }
.ui3b-faq-item { border-bottom: 1px solid var(--ui3b-border); padding: 0.6rem 0; }
.ui3b-faq-item:last-child { border-bottom: none; }
.ui3b-faq-q { color: var(--ui3b-mint); font-weight: 700; font-size: 1.2rem; }
.ui3b-faq-a { color: var(--ui3b-text); font-size: 1.15rem; margin-top: 0.2rem; }

.ui3b-testimonial {
  background: var(--ui3b-bg-2); border-radius: 12px; padding: 0.9rem;
  border: 1px solid var(--ui3b-border); margin-bottom: 0.7rem;
}
.ui3b-testimonial-head { display: flex; align-items: center; gap: 0.6rem; }
.ui3b-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--ui3b-accent-2), var(--ui3b-mint));
  display: flex; align-items: center; justify-content: center; color: var(--ui3b-bg);
  font-weight: 700;
}
.ui3b-stars { color: var(--ui3b-gold); font-size: 1.1rem; }

.ui3b-winner {
  display: flex; align-items: center; gap: 0.6rem;
  background: var(--ui3b-bg-2); border-radius: 10px; padding: 0.6rem 0.8rem;
  border: 1px solid var(--ui3b-border); margin-bottom: 0.5rem;
}
.ui3b-winner img { width: 42px; height: 42px; border-radius: 8px; object-fit: cover; }
.ui3b-winner-amount { color: var(--ui3b-gold); font-weight: 700; }

.ui3b-rtp-row {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--ui3b-bg-2); border-radius: 8px; padding: 0.5rem 0.8rem;
  margin-bottom: 0.4rem; font-size: 1.15rem;
}
.ui3b-rtp-bar { flex: 1; height: 6px; background: var(--ui3b-bg-3); border-radius: 4px; margin: 0 0.7rem; overflow: hidden; }
.ui3b-rtp-fill { height: 100%; background: linear-gradient(90deg, var(--ui3b-accent-2), var(--ui3b-mint)); }

.ui3b-pay { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; }
.ui3b-pay-item {
  background: var(--ui3b-bg-2); border-radius: 10px; padding: 0.6rem;
  text-align: center; border: 1px solid var(--ui3b-border); font-size: 1rem;
}
.ui3b-pay-item i { font-size: 1.8rem; color: var(--ui3b-accent-2); display: block; margin-bottom: 0.2rem; }

/* ===== Promo CTA ===== */
.ui3b-cta {
  background: linear-gradient(120deg, var(--ui3b-bg-3), #2a1d44);
  border-radius: var(--ui3b-radius); padding: 1.1rem; text-align: center;
  border: 1px solid var(--ui3b-accent-2); margin: 1rem 0;
}
.ui3b-cta h3 { color: var(--ui3b-mint); }
.ui3b-cta-btn {
  display: inline-block; margin-top: 0.6rem; padding: 0.8rem 1.6rem;
  background: linear-gradient(90deg, var(--ui3b-accent), #e26b6b);
  color: var(--ui3b-text-light); border-radius: 30px; font-weight: 700;
  cursor: pointer; border: none; min-height: 44px;
}
.ui3b-link-text { color: var(--ui3b-mint); font-weight: 700; }

/* ===== Footer ===== */
.ui3b-footer {
  background: var(--ui3b-bg-2); border-top: 1px solid var(--ui3b-border);
  padding: 1.2rem 1rem calc(var(--ui3b-bottomnav-h) + 1.2rem);
}
.ui3b-footer-brand { color: var(--ui3b-text-light); font-weight: 700; margin-bottom: 0.4rem; }
.ui3b-footer p { font-size: 1.15rem; color: var(--ui3b-text); }
.ui3b-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.8rem 0;
}
.ui3b-footer-links a {
  background: var(--ui3b-bg-3); padding: 0.4rem 0.8rem; border-radius: 8px;
  font-size: 1.1rem; color: var(--ui3b-text-light);
}
.ui3b-footer-promo { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.8rem 0; }
.ui3b-footer-promo button {
  background: linear-gradient(90deg, var(--ui3b-accent), #e26b6b); color: var(--ui3b-text-light);
  border: none; border-radius: 8px; padding: 0.5rem 0.9rem; font-size: 1.1rem;
  font-weight: 700; cursor: pointer;
}
.ui3b-footer-copy { font-size: 1.05rem; color: var(--ui3b-text); margin-top: 0.6rem; }

/* ===== Bottom navigation ===== */
.ui3b-bottomnav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--ui3b-bottomnav-h);
  background: linear-gradient(90deg, var(--ui3b-bg-2), var(--ui3b-bg-3));
  border-top: 1px solid var(--ui3b-border);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000; max-width: 430px; margin: 0 auto;
}
.ui3b-bottomnav-btn {
  background: transparent; border: none; color: var(--ui3b-text);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 60px; min-height: 60px; cursor: pointer;
  font-size: 1rem; gap: 0.2rem; transition: transform 0.15s ease, color 0.15s ease;
}
.ui3b-bottomnav-btn i, .ui3b-bottomnav-btn .material-icons-outlined,
.ui3b-bottomnav-btn .ion { font-size: 22px; }
.ui3b-bottomnav-btn:active { transform: scale(0.9); }
.ui3b-bottomnav-btn:hover { color: var(--ui3b-mint); }
.ui3b-bottomnav-active { color: var(--ui3b-accent); }
.ui3b-bottomnav-active i, .ui3b-bottomnav-active .material-icons-outlined { color: var(--ui3b-accent); }
.ui3b-nav-badge {
  position: absolute; top: 6px; right: 14px; background: var(--ui3b-accent);
  color: var(--ui3b-text-light); font-size: 0.85rem; border-radius: 50%;
  width: 16px; height: 16px; display: flex; align-items: center; justify-content: center;
}

/* ===== Desktop ===== */
@media (min-width: 769px) {
  .ui3b-bottomnav { display: none; }
  body { max-width: 430px; }
}
@media (max-width: 768px) {
  .ui3b-main { padding-bottom: 80px; }
}