/*
 * bet88 apk - Core stylesheet
 * Mobile-first gaming website design (max-width 430px)
 * All classes use ui2b- prefix for namespace isolation
 * Palette: #0F0F23 / #20B2AA / #3CB371 / #80CBC4 / #E0FFFF / #E9ECEF
 */

:root {
  --ui2b-bg: #0F0F23;
  --ui2b-bg-soft: #161630;
  --ui2b-bg-card: #1c1c3a;
  --ui2b-primary: #20B2AA;
  --ui2b-accent: #3CB371;
  --ui2b-text: #E9ECEF;
  --ui2b-text-muted: #80CBC4;
  --ui2b-highlight: #E0FFFF;
  --ui2b-border: rgba(128, 203, 196, 0.18);
  --ui2b-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  --ui2b-radius: 12px;
  --ui2b-radius-lg: 18px;
  --ui2b-header-h: 58px;
  --ui2b-bottom-h: 62px;
  font-size: 62.5%;
}

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

html, body {
  background: var(--ui2b-bg);
  color: var(--ui2b-text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.6rem;
  line-height: 1.5rem;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

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

a { color: var(--ui2b-primary); text-decoration: none; }

/* Page wrapper constrains content to mobile-first width */
.ui2b-wrapper {
  max-width: 430px;
  margin: 0 auto;
  background: var(--ui2b-bg);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.ui2b-container {
  width: 100%;
  padding: 0 14px;
}

/* ===== Header ===== */
.ui2b-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  max-width: 430px;
  margin: 0 auto;
  height: var(--ui2b-header-h);
  background: linear-gradient(90deg, #0F0F23 0%, #161630 100%);
  border-bottom: 1px solid var(--ui2b-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  z-index: 1000;
  box-shadow: var(--ui2b-shadow);
}

.ui2b-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.ui2b-logo {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.ui2b-site-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ui2b-highlight);
  letter-spacing: 0.3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ui2b-site-name span { color: var(--ui2b-primary); }

.ui2b-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ui2b-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px;
  border: none;
  border-radius: 20px;
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  font-family: inherit;
  text-decoration: none;
}

.ui2b-btn-login {
  background: transparent;
  color: var(--ui2b-text);
  border: 1px solid var(--ui2b-border);
}

.ui2b-btn-register {
  background: linear-gradient(90deg, var(--ui2b-primary), var(--ui2b-accent));
  color: #04121a;
  box-shadow: 0 4px 12px rgba(32, 178, 170, 0.35);
}

.ui2b-btn:active { transform: scale(0.96); }

.ui2b-menu-toggle {
  background: transparent;
  border: 1px solid var(--ui2b-border);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  color: var(--ui2b-primary);
  font-size: 1.8rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ui2b-menu-toggle.ui2b-active { background: rgba(32, 178, 170, 0.15); }

/* ===== Mobile expandable menu ===== */
.ui2b-mobile-menu {
  position: fixed;
  top: var(--ui2b-header-h);
  left: 0;
  right: 0;
  max-width: 430px;
  margin: 0 auto;
  background: var(--ui2b-bg-soft);
  border-bottom: 1px solid var(--ui2b-border);
  padding: 10px 14px 14px;
  transform: translateY(-130%);
  transition: transform 0.28s ease;
  z-index: 9999;
  box-shadow: var(--ui2b-shadow);
}

.ui2b-mobile-menu.ui2b-menu-open { transform: translateY(0); }

.ui2b-mobile-menu a {
  display: block;
  padding: 11px 12px;
  margin: 4px 0;
  border-radius: 10px;
  color: var(--ui2b-text);
  font-size: 1.4rem;
  background: rgba(128, 203, 196, 0.06);
  border: 1px solid var(--ui2b-border);
}

.ui2b-mobile-menu a:active { background: rgba(32, 178, 170, 0.18); }

/* ===== Main content ===== */
.ui2b-main {
  padding-top: calc(var(--ui2b-header-h) + 6px);
  padding-bottom: calc(var(--ui2b-bottom-h) + 16px);
}

.ui2b-section {
  padding: 18px 0 6px;
}

.ui2b-section-title {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--ui2b-highlight);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ui2b-section-title i { color: var(--ui2b-primary); }

.ui2b-lead {
  font-size: 1.45rem;
  color: var(--ui2b-text-muted);
  margin-bottom: 10px;
}

/* ===== Carousel ===== */
.ui2b-carousel {
  position: relative;
  border-radius: var(--ui2b-radius-lg);
  overflow: hidden;
  margin: 12px 0 6px;
  box-shadow: var(--ui2b-shadow);
}

.ui2b-carousel-track { position: relative; width: 100%; aspect-ratio: 16 / 9; }

.ui2b-carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
  cursor: pointer;
}

.ui2b-carousel-slide.ui2b-slide-active { opacity: 1; }

.ui2b-carousel-slide img { width: 100%; height: 100%; object-fit: cover; }

.ui2b-carousel-caption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  background: rgba(15, 15, 35, 0.78);
  padding: 6px 12px;
  border-radius: 10px;
  font-size: 1.3rem;
  color: var(--ui2b-highlight);
  font-weight: 600;
}

.ui2b-carousel-dots {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: flex;
  gap: 6px;
}

.ui2b-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(233, 236, 239, 0.5);
  border: none;
  cursor: pointer;
}

.ui2b-carousel-dot.ui2b-dot-active { background: var(--ui2b-primary); }

/* ===== Hero CTA ===== */
.ui2b-hero-cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0;
}

.ui2b-btn-cta {
  flex: 1 1 auto;
  min-height: 44px;
  font-size: 1.4rem;
}

.ui2b-text-link {
  color: var(--ui2b-primary);
  font-weight: 700;
  cursor: pointer;
}

/* ===== Game grid ===== */
.ui2b-filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 6px 0 10px;
  -webkit-overflow-scrolling: touch;
}

.ui2b-filter-tab {
  flex: 0 0 auto;
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 1.25rem;
  background: var(--ui2b-bg-card);
  color: var(--ui2b-text-muted);
  border: 1px solid var(--ui2b-border);
  cursor: pointer;
  white-space: nowrap;
}

.ui2b-filter-tab.ui2b-tab-active {
  background: linear-gradient(90deg, var(--ui2b-primary), var(--ui2b-accent));
  color: #04121a;
  font-weight: 700;
}

.ui2b-game-group { margin-bottom: 14px; }

.ui2b-game-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 8px 0;
}

.ui2b-game-group-head h3 {
  font-size: 1.45rem;
  color: var(--ui2b-highlight);
  font-weight: 700;
}

.ui2b-game-group-head span { color: var(--ui2b-primary); font-size: 1.2rem; }

.ui2b-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.ui2b-card {
  background: var(--ui2b-bg-card);
  border: 1px solid var(--ui2b-border);
  border-radius: var(--ui2b-radius);
  padding: 8px 6px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
  color: var(--ui2b-text);
  display: block;
}

.ui2b-card:active { transform: scale(0.96); border-color: var(--ui2b-primary); }

.ui2b-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 6px;
}

.ui2b-card-name {
  font-size: 1.15rem;
  color: var(--ui2b-text);
  line-height: 1.3rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

/* ===== Info / feature blocks ===== */
.ui2b-card-block {
  background: var(--ui2b-bg-card);
  border: 1px solid var(--ui2b-border);
  border-radius: var(--ui2b-radius-lg);
  padding: 14px;
  margin: 10px 0;
}

.ui2b-card-block h3 {
  font-size: 1.5rem;
  color: var(--ui2b-highlight);
  margin-bottom: 8px;
  font-weight: 700;
}

.ui2b-card-block p {
  font-size: 1.35rem;
  color: var(--ui2b-text-muted);
  margin-bottom: 6px;
}

.ui2b-list { list-style: none; padding: 0; margin: 6px 0; }

.ui2b-list li {
  padding: 8px 10px;
  margin: 4px 0;
  background: rgba(128, 203, 196, 0.06);
  border-left: 3px solid var(--ui2b-primary);
  border-radius: 6px;
  font-size: 1.3rem;
  color: var(--ui2b-text);
}

.ui2b-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 10px;
  background: rgba(60, 179, 113, 0.18);
  color: var(--ui2b-accent);
  font-size: 1.1rem;
  font-weight: 700;
  margin-right: 6px;
}

/* ===== Testimonials ===== */
.ui2b-testimonial {
  background: var(--ui2b-bg-card);
  border: 1px solid var(--ui2b-border);
  border-radius: var(--ui2b-radius);
  padding: 12px;
  margin: 8px 0;
}

.ui2b-testimonial-name { color: var(--ui2b-primary); font-weight: 700; font-size: 1.3rem; }

.ui2b-testimonial-text { color: var(--ui2b-text); font-size: 1.3rem; margin-top: 4px; }

/* ===== Payment methods ===== */
.ui2b-pay-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ui2b-pay-chip {
  padding: 6px 12px;
  border-radius: 18px;
  background: var(--ui2b-bg-card);
  border: 1px solid var(--ui2b-border);
  color: var(--ui2b-text-muted);
  font-size: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== Winners ===== */
.ui2b-winner {
  display: flex;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--ui2b-bg-card);
  border: 1px solid var(--ui2b-border);
  border-radius: 10px;
  margin: 6px 0;
  font-size: 1.25rem;
}

.ui2b-winner-name { color: var(--ui2b-text); }
.ui2b-winner-amount { color: var(--ui2b-accent); font-weight: 700; }

/* ===== Footer ===== */
.ui2b-footer {
  background: var(--ui2b-bg-soft);
  border-top: 1px solid var(--ui2b-border);
  padding: 18px 14px calc(var(--ui2b-bottom-h) + 18px);
  margin-top: 14px;
}

.ui2b-footer-brand {
  font-size: 1.35rem;
  color: var(--ui2b-text-muted);
  margin-bottom: 10px;
  line-height: 1.5rem;
}

.ui2b-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 12px;
}

.ui2b-footer-links a {
  flex: 1 1 auto;
  text-align: center;
  padding: 8px 10px;
  border-radius: 16px;
  background: var(--ui2b-bg-card);
  border: 1px solid var(--ui2b-border);
  color: var(--ui2b-primary);
  font-size: 1.2rem;
  font-weight: 600;
  min-width: 45%;
}

.ui2b-copyright {
  font-size: 1.15rem;
  color: var(--ui2b-text-muted);
  text-align: center;
  margin-top: 8px;
}

/* ===== Bottom navigation ===== */
.ui2b-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 430px;
  margin: 0 auto;
  height: var(--ui2b-bottom-h);
  background: linear-gradient(180deg, #161630 0%, #0F0F23 100%);
  border-top: 1px solid var(--ui2b-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.4);
}

.ui2b-bottom-nav-btn {
  flex: 1 1 0;
  min-width: 60px;
  min-height: 60px;
  background: transparent;
  border: none;
  color: var(--ui2b-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.15s ease, transform 0.15s ease;
}

.ui2b-bottom-nav-btn i { font-size: 22px; }
.ui2b-bottom-nav-btn .material-icons-outlined,
.ui2b-bottom-nav-btn .material-icons { font-size: 22px; }
.ui2b-bottom-nav-btn span { font-size: 1.05rem; }

.ui2b-bottom-nav-btn:active { transform: scale(0.94); color: var(--ui2b-primary); }
.ui2b-bottom-nav-btn.ui2b-nav-current { color: var(--ui2b-primary); }
.ui2b-bottom-nav-btn.ui2b-nav-current i { color: var(--ui2b-accent); }

/* ===== Desktop: hide bottom nav, expand layout ===== */
@media (min-width: 769px) {
  .ui2b-bottom-nav { display: none; }
  .ui2b-footer { padding-bottom: 18px; }
  .ui2b-main { padding-bottom: 16px; }
  .ui2b-wrapper { max-width: 760px; }
}

@media (min-width: 431px) and (max-width: 768px) {
  .ui2b-main { padding-bottom: calc(var(--ui2b-bottom-h) + 16px); }
}