/* ============================================================
 * bk4.homes - design.css
 * All class names use prefix: uie5-
 * Mobile-first design, max-width 430px
 * Palette: #1E1E1E (bg) | #9932CC (brand) | #DEE2E6 (text)
 * ============================================================ */

:root {
  --uie5-bg: #1E1E1E;
  --uie5-bg-alt: #262626;
  --uie5-bg-card: #2a2a2a;
  --uie5-primary: #9932CC;
  --uie5-primary-dark: #7a26a8;
  --uie5-primary-light: #b25ee6;
  --uie5-text: #DEE2E6;
  --uie5-text-dim: #a8acb0;
  --uie5-accent: #FFC107;
  --uie5-border: #3a3a3a;
  --uie5-radius: 10px;
  --uie5-shadow: 0 4px 14px rgba(0,0,0,0.45);
  --uie5-maxw: 430px;
  --uie5-header-h: 56px;
  --uie5-bottomnav-h: 60px;
}

* { box-sizing: border-box; }

html { font-size: 62.5%; }

body {
  margin: 0;
  padding: 0;
  font-family: "Hind Siliguri", "Noto Sans Bengali", "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--uie5-bg);
  color: var(--uie5-text);
  font-size: 1.5rem;
  line-height: 1.5rem;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--uie5-primary-light); text-decoration: none; }
a:hover { color: var(--uie5-accent); }

.uie5-container {
  width: 100%;
  max-width: var(--uie5-maxw);
  margin: 0 auto;
  padding: 0 12px;
}

.uie5-wrapper {
  max-width: var(--uie5-maxw);
  margin: 0 auto;
  background: var(--uie5-bg);
  min-height: 100vh;
  position: relative;
}

/* ===== Header ===== */
.uie5-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--uie5-header-h);
  background: linear-gradient(90deg, #1E1E1E 0%, #2a1838 100%);
  border-bottom: 1px solid var(--uie5-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.uie5-header-inner {
  width: 100%;
  max-width: var(--uie5-maxw);
  margin: 0 auto;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.uie5-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--uie5-text);
  letter-spacing: 0.5px;
}
.uie5-logo img { width: 28px; height: 28px; border-radius: 6px; }
.uie5-logo span { color: var(--uie5-primary); }

.uie5-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.uie5-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 1.3rem;
  font-weight: 700;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  min-height: 36px;
  transition: transform .15s ease, background .2s ease;
}
.uie5-btn:active { transform: scale(0.95); }
.uie5-btn-login {
  background: transparent;
  color: var(--uie5-text);
  border: 1px solid var(--uie5-primary);
}
.uie5-btn-login:hover { background: rgba(153,50,204,0.15); }
.uie5-btn-register {
  background: linear-gradient(135deg, var(--uie5-primary) 0%, var(--uie5-primary-light) 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(153,50,204,0.4);
}

.uie5-menu-btn {
  background: transparent;
  border: none;
  color: var(--uie5-text);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
}
.uie5-menu-btn:hover { background: rgba(255,255,255,0.08); }

/* ===== Mobile expandable menu ===== */
.uie5-mobile-menu {
  position: fixed;
  top: var(--uie5-header-h);
  left: 0; right: 0;
  background: var(--uie5-bg-alt);
  border-bottom: 1px solid var(--uie5-border);
  max-height: 0;
  overflow: hidden;
  transition: max-height .28s ease;
  z-index: 9999;
}
.uie5-mobile-menu.uie5-open { max-height: 480px; }
.uie5-mobile-menu-inner {
  width: 100%;
  max-width: var(--uie5-maxw);
  margin: 0 auto;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.uie5-mobile-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 10px;
  color: var(--uie5-text);
  font-size: 1.4rem;
  border-radius: 8px;
  border-bottom: 1px solid var(--uie5-border);
}
.uie5-mobile-menu a:hover { background: rgba(153,50,204,0.15); color: var(--uie5-primary-light); }
.uie5-mobile-menu a i { color: var(--uie5-primary); width: 22px; text-align: center; }

/* ===== Main content ===== */
main.uie5-main {
  padding-top: var(--uie5-header-h);
  padding-bottom: calc(var(--uie5-bottomnav-h) + 16px);
}

.uie5-section {
  padding: 18px 0 10px;
}
.uie5-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--uie5-text);
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.uie5-section-title i { color: var(--uie5-primary); }
.uie5-section-sub {
  font-size: 1.25rem;
  color: var(--uie5-text-dim);
  margin: 0 0 12px;
}

/* ===== Hero / Carousel ===== */
.uie5-carousel {
  position: relative;
  width: 100%;
  border-radius: var(--uie5-radius);
  overflow: hidden;
  box-shadow: var(--uie5-shadow);
  margin: 12px 0 4px;
}
.uie5-carousel-viewport { overflow: hidden; }
.uie5-carousel-track {
  display: flex;
  transition: transform .45s ease;
  will-change: transform;
}
.uie5-carousel-slide {
  flex: 0 0 100%;
  position: relative;
  cursor: pointer;
}
.uie5-carousel-slide img { width: 100%; height: 180px; object-fit: cover; }
.uie5-carousel-caption {
  position: absolute;
  left: 12px; bottom: 10px;
  background: rgba(0,0,0,0.55);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 1.3rem;
  color: #fff;
  max-width: 80%;
}
.uie5-carousel-dots {
  position: absolute;
  bottom: 8px; right: 12px;
  display: flex;
  gap: 5px;
}
.uie5-carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  border: none; cursor: pointer; padding: 0;
}
.uie5-carousel-dot.uie5-active { background: var(--uie5-primary); }

/* ===== H1 / intro ===== */
.uie5-h1 {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--uie5-text);
  margin: 14px 0 6px;
  line-height: 1.35;
}
.uie5-h1 span { color: var(--uie5-primary); }
.uie5-intro {
  font-size: 1.35rem;
  color: var(--uie5-text-dim);
  margin: 0 0 8px;
  line-height: 1.6;
}

/* ===== Filter pills ===== */
.uie5-filter-bar {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 6px 0 10px;
  -webkit-overflow-scrolling: touch;
}
.uie5-filter-bar::-webkit-scrollbar { display: none; }
.uie5-filter-pill {
  flex: 0 0 auto;
  padding: 6px 14px;
  font-size: 1.25rem;
  border-radius: 20px;
  border: 1px solid var(--uie5-border);
  background: var(--uie5-bg-card);
  color: var(--uie5-text-dim);
  cursor: pointer;
  white-space: nowrap;
}
.uie5-filter-pill.uie5-active {
  background: var(--uie5-primary);
  color: #fff;
  border-color: var(--uie5-primary);
}

/* ===== Game grid ===== */
.uie5-game-section { margin: 10px 0 18px; }
.uie5-game-section h2 {
  font-size: 1.55rem;
  color: var(--uie5-text);
  margin: 6px 0 10px;
  border-left: 4px solid var(--uie5-primary);
  padding-left: 8px;
}
.uie5-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.uie5-game-card {
  background: var(--uie5-bg-card);
  border: 1px solid var(--uie5-border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: transform .15s ease, border-color .2s ease;
  text-align: center;
}
.uie5-game-card:active { transform: scale(0.96); border-color: var(--uie5-primary); }
.uie5-game-card img {
  width: 100%;
  height: 80px;
  object-fit: cover;
  background: #000;
}
.uie5-game-card-name {
  font-size: 1.15rem;
  color: var(--uie5-text);
  padding: 5px 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Info / feature blocks ===== */
.uie5-card {
  background: var(--uie5-bg-card);
  border: 1px solid var(--uie5-border);
  border-radius: var(--uie5-radius);
  padding: 14px;
  margin: 10px 0;
}
.uie5-card h2, .uie5-card h3 {
  margin: 0 0 8px;
  color: var(--uie5-text);
}
.uie5-card h2 { font-size: 1.6rem; }
.uie5-card h3 { font-size: 1.4rem; color: var(--uie5-primary-light); }
.uie5-card p { margin: 0 0 8px; color: var(--uie5-text-dim); font-size: 1.3rem; line-height: 1.65; }
.uie5-card ul { margin: 6px 0; padding-left: 18px; color: var(--uie5-text-dim); }
.uie5-card li { font-size: 1.3rem; line-height: 1.6; margin-bottom: 4px; }

.uie5-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 8px;
}
.uie5-feature-item {
  background: var(--uie5-bg-alt);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
  border: 1px solid var(--uie5-border);
}
.uie5-feature-item i { font-size: 2.2rem; color: var(--uie5-primary); margin-bottom: 4px; }
.uie5-feature-item strong { display: block; color: var(--uie5-text); font-size: 1.3rem; margin-bottom: 2px; }
.uie5-feature-item span { color: var(--uie5-text-dim); font-size: 1.15rem; }

/* ===== Winners showcase ===== */
.uie5-winners {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0;
}
.uie5-winners::-webkit-scrollbar { display: none; }
.uie5-winner-card {
  flex: 0 0 auto;
  background: var(--uie5-bg-card);
  border: 1px solid var(--uie5-border);
  border-radius: 8px;
  padding: 8px 10px;
  min-width: 150px;
}
.uie5-winner-card .uie5-winner-name { font-size: 1.2rem; color: var(--uie5-text); font-weight: 700; }
.uie5-winner-card .uie5-winner-game { font-size: 1.1rem; color: var(--uie5-text-dim); }
.uie5-winner-card .uie5-winner-amount { font-size: 1.4rem; color: var(--uie5-accent); font-weight: 800; }

/* ===== Testimonials ===== */
.uie5-testimonial {
  background: var(--uie5-bg-card);
  border-left: 3px solid var(--uie5-primary);
  padding: 10px 12px;
  border-radius: 6px;
  margin-bottom: 8px;
}
.uie5-testimonial p { margin: 0 0 4px; font-size: 1.25rem; color: var(--uie5-text); }
.uie5-testimonial .uie5-author { font-size: 1.1rem; color: var(--uie5-primary-light); }

/* ===== Payment methods ===== */
.uie5-payments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.uie5-pay-item {
  background: var(--uie5-bg-alt);
  border: 1px solid var(--uie5-border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 1.15rem;
  color: var(--uie5-text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}
.uie5-pay-item i { color: var(--uie5-primary); }

/* ===== CTA block ===== */
.uie5-cta {
  background: linear-gradient(135deg, var(--uie5-primary-dark) 0%, var(--uie5-primary) 100%);
  border-radius: var(--uie5-radius);
  padding: 16px;
  text-align: center;
  margin: 14px 0;
}
.uie5-cta h3 { color: #fff; margin: 0 0 6px; font-size: 1.6rem; }
.uie5-cta p { color: rgba(255,255,255,0.9); margin: 0 0 10px; font-size: 1.25rem; }
.uie5-cta .uie5-btn {
  background: #fff;
  color: var(--uie5-primary-dark);
  font-size: 1.4rem;
  padding: 10px 22px;
}

/* ===== Inline promo link ===== */
.uie5-promo-link {
  color: var(--uie5-accent);
  font-weight: 700;
  cursor: pointer;
}
.uie5-promo-link:hover { text-decoration: underline; }

/* ===== Footer ===== */
.uie5-footer {
  background: #161616;
  border-top: 1px solid var(--uie5-border);
  padding: 18px 0 calc(var(--uie5-bottomnav-h) + 20px);
  margin-top: 20px;
}
.uie5-footer-inner {
  max-width: var(--uie5-maxw);
  margin: 0 auto;
  padding: 0 12px;
}
.uie5-footer-brand { font-size: 1.3rem; color: var(--uie5-text-dim); line-height: 1.6; margin-bottom: 10px; }
.uie5-footer-brand strong { color: var(--uie5-primary-light); }
.uie5-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.uie5-footer-links a {
  flex: 1 1 auto;
  text-align: center;
  padding: 8px 6px;
  font-size: 1.15rem;
  background: var(--uie5-bg-card);
  border: 1px solid var(--uie5-border);
  border-radius: 6px;
  color: var(--uie5-text-dim);
}
.uie5-footer-links a:hover { color: var(--uie5-primary-light); border-color: var(--uie5-primary); }
.uie5-footer-copy { font-size: 1.1rem; color: #6a6a6a; text-align: center; }

/* ===== Mobile bottom navigation ===== */
.uie5-bottomnav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--uie5-bottomnav-h);
  background: #1a1a1a;
  border-top: 1px solid var(--uie5-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
}
.uie5-bottomnav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 60px;
  min-height: 60px;
  background: transparent;
  border: none;
  color: var(--uie5-text-dim);
  cursor: pointer;
  font-size: 1rem;
  text-decoration: none;
  padding: 4px 2px;
  transition: color .2s ease, transform .15s ease;
}
.uie5-bottomnav-item:active { transform: scale(0.9); }
.uie5-bottomnav-item i { font-size: 2.2rem; }
.uie5-bottomnav-item .material-icons { font-size: 2.4rem; }
.uie5-bottomnav-item.uie5-active { color: var(--uie5-primary); }
.uie5-bottomnav-item.uie5-active i { color: var(--uie5-primary-light); }
.uie5-bottomnav-badge {
  position: absolute;
  top: 4px; right: 18px;
  background: var(--uie5-accent);
  color: #000;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 10px;
  padding: 1px 5px;
}
.uie5-bottomnav-item { position: relative; }

/* ===== Desktop: hide bottom nav, show desktop nav ===== */
@media (min-width: 769px) {
  .uie5-bottomnav { display: none; }
  .uie5-footer { padding-bottom: 18px; }
  main.uie5-main { padding-bottom: 20px; }
}

/* ===== Utility ===== */
.uie5-text-center { text-align: center; }
.uie5-mt-8 { margin-top: 8px; }
.uie5-mt-16 { margin-top: 16px; }
.uie5-hidden { display: none; }
.uie5-prose { font-size: 1.32rem; color: var(--uie5-text-dim); line-height: 1.7; }
.uie5-prose strong { color: var(--uie5-text); }