/* =========================================================
   zz666 basefiles - theme.css
   All custom classes use the ui83- prefix.
   Palette: #1A1A2E (dark) | #D2691E (accent)
   ========================================================= */

:root {
  --ui83-bg: #1A1A2E;
  --ui83-bg-2: #22223f;
  --ui83-bg-3: #16162a;
  --ui83-primary: #D2691E;
  --ui83-primary-2: #e8803a;
  --ui83-text: #f5f0e6;
  --ui83-text-muted: #b9b1a3;
  --ui83-border: #2f2f4d;
  --ui83-success: #3fbf7f;
  --ui83-gold: #f5c542;
  --ui83-radius: 12px;
}

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

html {
  font-size: 62.5%;          /* 1rem = 10px */
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Noto Sans Bengali", "Hind Siliguri", "Segoe UI", system-ui, sans-serif;
  background: var(--ui83-bg);
  color: var(--ui83-text);
  line-height: 1.5rem;
  font-size: 1.5rem;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

a { color: var(--ui83-primary-2); text-decoration: none; }
a:hover { color: var(--ui83-gold); }
img { max-width: 100%; display: block; }

/* ---------- Layout ---------- */
.ui83-wrapper {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

.ui83-section {
  padding: 2rem 0 0.5rem;
}

.ui83-section-title {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--ui83-text);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.ui83-section-title i,
.ui83-section-title .material-icons {
  color: var(--ui83-primary);
  font-size: 2.1rem;
}

.ui83-muted { color: var(--ui83-text-muted); font-size: 1.35rem; }

/* ---------- Header ---------- */
.ui83-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, #1f1f3a 0%, #16162a 100%);
  border-bottom: 1px solid var(--ui83-border);
  max-width: 430px;
  margin: 0 auto;
}

.ui83-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  gap: 0.6rem;
}

.ui83-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ui83-text);
  flex: 1;
  min-width: 0;
}

.ui83-brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: cover;
}

.ui83-brand-name {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--ui83-gold);
  white-space: nowrap;
}

.ui83-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ---------- Buttons ---------- */
.ui83-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 36px;
  padding: 0 1.1rem;
  border-radius: 999px;
  font-size: 1.35rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
  white-space: nowrap;
}
.ui83-btn:active { transform: scale(0.96); }

.ui83-btn-primary {
  background: linear-gradient(135deg, var(--ui83-primary) 0%, #b85412 100%);
  color: #fff;
  box-shadow: 0 2px 6px rgba(210,105,30,0.35);
}

.ui83-btn-ghost {
  background: transparent;
  color: var(--ui83-text);
  border: 1px solid var(--ui83-primary);
}

.ui83-btn-gold {
  background: linear-gradient(135deg, #f5c542 0%, #d29a1a 100%);
  color: #1A1A2E;
}

.ui83-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--ui83-bg-2);
  color: var(--ui83-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ui83-border);
  cursor: pointer;
  font-size: 1.8rem;
}

/* ---------- Mobile menu (expandable) ---------- */
.ui83-mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
  background: var(--ui83-bg-3);
  border-top: 1px solid transparent;
}
.ui83-mobile-menu.ui83-menu-open {
  max-height: 460px;
  border-top: 1px solid var(--ui83-border);
}
.ui83-mobile-menu ul { list-style: none; padding: 0.4rem 0; }
.ui83-mobile-menu li a {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.95rem 1.4rem;
  color: var(--ui83-text);
  font-size: 1.4rem;
  border-bottom: 1px dashed rgba(255,255,255,0.06);
}
.ui83-mobile-menu li a i,
.ui83-mobile-menu li a .material-icons {
  color: var(--ui83-primary);
  width: 22px;
  text-align: center;
}

/* ---------- Carousel ---------- */
.ui83-carousel {
  position: relative;
  margin: 1rem 0;
  border-radius: var(--ui83-radius);
  overflow: hidden;
  background: var(--ui83-bg-2);
}
.ui83-slide {
  display: none;
  position: relative;
  cursor: pointer;
}
.ui83-slide.ui83-slide-active { display: block; }
.ui83-slide img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.ui83-slide-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.8rem 1rem;
  background: linear-gradient(0deg, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0) 100%);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}
.ui83-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 0;
}
.ui83-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  border: none; cursor: pointer;
}
.ui83-dot.ui83-dot-active { background: var(--ui83-primary); }

/* ---------- Filter tabs ---------- */
.ui83-filter-bar {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.5rem 0 1rem;
  scrollbar-width: none;
}
.ui83-filter-bar::-webkit-scrollbar { display: none; }
.ui83-filter-tab {
  flex: 0 0 auto;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  background: var(--ui83-bg-2);
  color: var(--ui83-text-muted);
  font-size: 1.3rem;
  font-weight: 600;
  border: 1px solid var(--ui83-border);
  cursor: pointer;
}
.ui83-filter-tab.ui83-filter-tab-active {
  background: var(--ui83-primary);
  color: #fff;
  border-color: var(--ui83-primary);
}

/* ---------- Game grid ---------- */
.ui83-game-group { margin-bottom: 1.6rem; }
.ui83-game-group-title {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--ui83-gold);
  margin: 0.4rem 0 0.9rem;
  padding-left: 0.8rem;
  border-left: 4px solid var(--ui83-primary);
}
.ui83-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}
.ui83-card {
  background: var(--ui83-bg-2);
  border: 1px solid var(--ui83-border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: block;
  text-align: center;
}
.ui83-card:active { transform: scale(0.96); }
.ui83-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #0e0e1c;
}
.ui83-card-name {
  font-size: 1.15rem;
  color: var(--ui83-text);
  padding: 0.4rem 0.3rem 0.55rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- Info / content cards ---------- */
.ui83-content-card {
  background: var(--ui83-bg-2);
  border: 1px solid var(--ui83-border);
  border-radius: var(--ui83-radius);
  padding: 1.2rem;
  margin-bottom: 1rem;
}
.ui83-content-card h3 {
  font-size: 1.5rem;
  color: var(--ui83-primary-2);
  margin-bottom: 0.6rem;
}
.ui83-content-card p {
  font-size: 1.35rem;
  color: var(--ui83-text-muted);
  margin-bottom: 0.5rem;
}

.ui83-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
}
.ui83-feature-item {
  background: var(--ui83-bg-3);
  border: 1px solid var(--ui83-border);
  border-radius: 10px;
  padding: 1rem 0.7rem;
  text-align: center;
}
.ui83-feature-item i,
.ui83-feature-item .material-icons {
  font-size: 2.2rem;
  color: var(--ui83-primary);
  margin-bottom: 0.4rem;
}
.ui83-feature-item span {
  display: block;
  font-size: 1.2rem;
  color: var(--ui83-text);
  font-weight: 600;
}

/* ---------- Testimonial ---------- */
.ui83-testimonial {
  background: var(--ui83-bg-3);
  border-left: 3px solid var(--ui83-primary);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.8rem;
}
.ui83-testimonial p { font-size: 1.3rem; color: var(--ui83-text); margin-bottom: 0.4rem; }
.ui83-testimonial .ui83-author { font-size: 1.15rem; color: var(--ui83-gold); font-weight: 700; }

/* ---------- Winners ---------- */
.ui83-winner-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px dashed var(--ui83-border);
  font-size: 1.3rem;
}
.ui83-winner-row:last-child { border-bottom: none; }
.ui83-winner-name { color: var(--ui83-text); }
.ui83-winner-amount { color: var(--ui83-success); font-weight: 700; }

/* ---------- Payment ---------- */
.ui83-pay-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}
.ui83-pay-item {
  background: var(--ui83-bg-3);
  border: 1px solid var(--ui83-border);
  border-radius: 8px;
  padding: 0.7rem 0.3rem;
  text-align: center;
  font-size: 1.1rem;
  color: var(--ui83-text-muted);
}
.ui83-pay-item i,
.ui83-pay-item .material-icons { font-size: 1.8rem; color: var(--ui83-primary); display: block; margin-bottom: 0.2rem; }

/* ---------- CTA block ---------- */
.ui83-cta {
  background: linear-gradient(135deg, #2a2a4e 0%, #1a1a2e 100%);
  border: 1px solid var(--ui83-primary);
  border-radius: var(--ui83-radius);
  padding: 1.3rem;
  text-align: center;
  margin: 1rem 0;
}
.ui83-cta h3 { color: var(--ui83-gold); font-size: 1.6rem; margin-bottom: 0.5rem; }
.ui83-cta p { color: var(--ui83-text-muted); font-size: 1.3rem; margin-bottom: 0.9rem; }

/* ---------- Promo text link ---------- */
.ui83-promo-link {
  color: var(--ui83-primary-2);
  font-weight: 700;
  cursor: pointer;
}
.ui83-promo-link:hover { color: var(--ui83-gold); text-decoration: underline; }

/* ---------- Footer ---------- */
.ui83-footer {
  background: var(--ui83-bg-3);
  border-top: 1px solid var(--ui83-border);
  margin-top: 1.5rem;
  padding: 1.6rem 1.2rem 9rem; /* bottom space for fixed nav */
}
.ui83-footer-brand { font-size: 1.35rem; color: var(--ui83-text-muted); margin-bottom: 1rem; line-height: 1.7rem; }
.ui83-footer-promos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.ui83-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}
.ui83-footer-links a { font-size: 1.25rem; color: var(--ui83-text-muted); }
.ui83-footer-links a:hover { color: var(--ui83-primary-2); }
.ui83-footer-copy { font-size: 1.15rem; color: #6e6a7d; text-align: center; }

/* ---------- Bottom navigation (mobile only) ---------- */
.ui83-bottom-nav {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 100%;
  max-width: 430px;
  height: 62px;
  background: linear-gradient(180deg, #1f1f3a 0%, #11112 100%);
  background: linear-gradient(180deg, #1f1f3a 0%, #12122a 100%);
  border-top: 1px solid var(--ui83-primary);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  z-index: 1000;
  padding: 0.2rem 0;
}
.ui83-bottom-nav-btn {
  flex: 1;
  min-width: 60px;
  min-height: 60px;
  background: transparent;
  border: none;
  color: var(--ui83-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  cursor: pointer;
  font-size: 1.05rem;
  text-decoration: none;
  transition: color 0.15s ease, transform 0.15s ease;
}
.ui83-bottom-nav-btn i,
.ui83-bottom-nav-btn .material-icons {
  font-size: 22px;
}
.ui83-bottom-nav-btn:active { transform: scale(0.9); }
.ui83-bottom-nav-btn.ui83-bottom-nav-btn-active,
.ui83-bottom-nav-btn:hover {
  color: var(--ui83-primary);
}

/* ---------- Desktop: hide bottom nav, widen layout ---------- */
@media (min-width: 769px) {
  .ui83-bottom-nav { display: none; }
  .ui83-footer { padding-bottom: 2rem; }
}

/* ---------- Mobile main padding ---------- */
@media (max-width: 768px) {
  main { padding-bottom: 80px; }
}