/* shuvo777 core stylesheet - mobile first gaming site */
/* All custom classes use the uida- prefix for namespace isolation */
/* Color palette: #2C3E50 (dark bg) | #4682B4 (accent) | #FAFAFA (light text) */

:root {
  --uida-primary: #4682B4;
  --uida-primary-dark: #2C3E50;
  --uida-primary-light: #5a9bd4;
  --uida-bg: #1b2733;
  --uida-bg-alt: #2C3E50;
  --uida-card: #243748;
  --uida-text: #FAFAFA;
  --uida-text-muted: #b6c4d2;
  --uida-accent: #f0b432;
  --uida-accent-hot: #e8505b;
  --uida-border: #345069;
  --uida-gradient: linear-gradient(135deg, #2C3E50 0%, #4682B4 100%);
  --uida-shadow: 0 4px 14px rgba(0,0,0,0.35);
}

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

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

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

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

/* ===== Header ===== */
.uida-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  max-width: 430px;
  margin: 0 auto;
  height: 5.6rem;
  background: var(--uida-gradient);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  z-index: 1000;
  box-shadow: var(--uida-shadow);
}
.uida-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--uida-text);
  font-weight: 700;
  font-size: 1.7rem;
}
.uida-logo img { width: 3rem; height: 3rem; border-radius: 0.5rem; }
.uida-logo span { background: linear-gradient(90deg,#f0b432,#FAFAFA); -webkit-background-clip: text; background-clip: text; color: transparent; }

.uida-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.uida-btn {
  border: none;
  border-radius: 2rem;
  padding: 0.7rem 1.4rem;
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s ease, filter .15s ease;
  min-height: 3.6rem;
}
.uida-btn:active { transform: scale(0.96); }
.uida-btn-login {
  background: transparent;
  color: var(--uida-text);
  border: 1px solid var(--uida-text);
}
.uida-btn-register {
  background: var(--uida-accent);
  color: var(--uida-primary-dark);
  box-shadow: 0 2px 8px rgba(240,180,50,0.4);
}
.uida-menu-btn {
  background: transparent;
  border: none;
  color: var(--uida-text);
  font-size: 2.2rem;
  cursor: pointer;
  padding: 0.4rem 0.8rem;
  min-width: 4rem;
  min-height: 4rem;
}

/* ===== Mobile expandable menu ===== */
.uida-mobile-menu {
  position: fixed;
  top: 5.6rem; left: 0; right: 0;
  max-width: 430px;
  margin: 0 auto;
  background: var(--uida-bg-alt);
  border-top: 1px solid var(--uida-border);
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  z-index: 9999;
}
.uida-mobile-menu.uida-menu-open { max-height: 60rem; }
.uida-mobile-menu ul { list-style: none; }
.uida-mobile-menu li a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.3rem 1.6rem;
  color: var(--uida-text);
  border-bottom: 1px solid var(--uida-border);
  font-size: 1.45rem;
}
.uida-mobile-menu li a:active { background: var(--uida-card); }
.uida-mobile-menu li a i { color: var(--uida-accent); width: 2.4rem; text-align: center; }

/* ===== Main wrapper ===== */
.uida-wrapper {
  padding-top: 5.6rem;
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
}
main.uida-main { padding-bottom: 8rem; }

.uida-container { padding: 1.4rem; width: 100%; }

/* ===== Hero carousel ===== */
.uida-hero {
  position: relative;
  width: 100%;
  height: 18rem;
  overflow: hidden;
  border-radius: 0 0 1.4rem 1.4rem;
}
.uida-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .6s ease;
  cursor: pointer;
}
.uida-slide img { width: 100%; height: 100%; object-fit: cover; }
.uida-slide::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(44,62,80,0) 40%, rgba(27,39,51,0.85) 100%);
}
.uida-slide-active { opacity: 1; }
.uida-slide-cap {
  position: absolute;
  left: 1.4rem; bottom: 1.2rem;
  z-index: 2;
  color: var(--uida-text);
  font-size: 1.5rem;
  font-weight: 700;
  text-shadow: 0 2px 6px rgba(0,0,0,0.6);
}
.uida-dots {
  position: absolute;
  bottom: 1rem; right: 1.4rem;
  display: flex; gap: 0.5rem;
  z-index: 3;
}
.uida-dot {
  width: 0.8rem; height: 0.8rem;
  border-radius: 50%;
  background: rgba(250,250,250,0.5);
  border: none; cursor: pointer;
}
.uida-dot-active { background: var(--uida-accent); }

/* ===== Section titles ===== */
.uida-section { margin: 1.8rem 0; }
.uida-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--uida-text);
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 0.4rem solid var(--uida-accent);
}
.uida-section-title small { display:block; font-size:1.2rem; color: var(--uida-text-muted); font-weight:400; margin-top:.2rem; }

/* ===== Filter tabs ===== */
.uida-filter {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding: 0.4rem 1.4rem 1rem;
  scrollbar-width: none;
}
.uida-filter::-webkit-scrollbar { display: none; }
.uida-filter-tab {
  white-space: nowrap;
  padding: 0.6rem 1.2rem;
  border-radius: 2rem;
  background: var(--uida-card);
  color: var(--uida-text-muted);
  font-size: 1.25rem;
  border: 1px solid var(--uida-border);
  cursor: pointer;
  min-height: 3.4rem;
}
.uida-filter-active {
  background: var(--uida-primary);
  color: var(--uida-text);
  border-color: var(--uida-primary-light);
}

/* ===== Game grid ===== */
.uida-game-group { margin-bottom: 1.6rem; }
.uida-game-group h3 {
  font-size: 1.45rem;
  color: var(--uida-accent);
  margin: 0 0 1rem 1.4rem;
  display:flex; align-items:center; gap:.6rem;
}
.uida-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  padding: 0 1.4rem;
}
.uida-card {
  background: var(--uida-card);
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--uida-border);
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
  text-align: center;
}
.uida-card:active { transform: scale(0.95); box-shadow: var(--uida-shadow); }
.uida-card-img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  background: #16202b;
}
.uida-card-name {
  font-size: 1.05rem;
  color: var(--uida-text);
  padding: 0.5rem 0.4rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 2.4rem;
}

/* ===== Info blocks ===== */
.uida-block {
  background: var(--uida-card);
  border-radius: 1.2rem;
  padding: 1.6rem;
  margin: 1.4rem;
  border: 1px solid var(--uida-border);
}
.uida-block h2 {
  font-size: 1.7rem;
  color: var(--uida-accent);
  margin-bottom: 0.8rem;
}
.uida-block p {
  font-size: 1.3rem;
  color: var(--uida-text-muted);
  margin-bottom: 0.8rem;
  line-height: 1.7rem;
}
.uida-block .uida-promo-link {
  color: var(--uida-accent);
  font-weight: 700;
  cursor: pointer;
}
.uida-block ul { padding-left: 1.6rem; color: var(--uida-text-muted); font-size: 1.25rem; }
.uida-block li { margin-bottom: 0.5rem; }

/* ===== Achievement / stat grid ===== */
.uida-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin: 1.4rem;
}
.uida-stat {
  background: var(--uida-card);
  border-radius: 1rem;
  padding: 1.2rem;
  text-align: center;
  border: 1px solid var(--uida-border);
}
.uida-stat-num { font-size: 2rem; font-weight: 700; color: var(--uida-accent); }
.uida-stat-label { font-size: 1.15rem; color: var(--uida-text-muted); margin-top: 0.3rem; }

/* ===== Winners strip ===== */
.uida-winners {
  display: flex;
  gap: 0.8rem;
  overflow-x: auto;
  padding: 0.6rem 1.4rem;
  scrollbar-width: none;
}
.uida-winners::-webkit-scrollbar { display:none; }
.uida-winner {
  min-width: 12rem;
  background: var(--uida-card);
  border-radius: 1rem;
  padding: 0.9rem;
  border: 1px solid var(--uida-border);
}
.uida-winner-name { font-size: 1.2rem; color: var(--uida-text); font-weight: 600; }
.uida-winner-game { font-size: 1.05rem; color: var(--uida-text-muted); }
.uida-winner-amount { font-size: 1.4rem; color: var(--uida-accent); font-weight: 700; margin-top: .3rem; }

/* ===== Payment methods ===== */
.uida-pay {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.4rem;
}
.uida-pay-item {
  background: var(--uida-card);
  border: 1px solid var(--uida-border);
  border-radius: 0.8rem;
  padding: 0.6rem 1rem;
  font-size: 1.15rem;
  color: var(--uida-text);
  display: flex; align-items: center; gap: .4rem;
}

/* ===== Testimonials ===== */
.uida-testi {
  background: var(--uida-card);
  border-radius: 1rem;
  padding: 1.2rem;
  margin: 1.4rem;
  border-left: 0.4rem solid var(--uida-primary-light);
}
.uida-testi-name { font-size: 1.25rem; font-weight: 600; color: var(--uida-accent); }
.uida-testi-text { font-size: 1.25rem; color: var(--uida-text-muted); margin-top: .4rem; }

/* ===== CTA banner ===== */
.uida-cta {
  background: var(--uida-gradient);
  border-radius: 1.2rem;
  padding: 1.8rem;
  margin: 1.4rem;
  text-align: center;
  box-shadow: var(--uida-shadow);
}
.uida-cta h2 { color: var(--uida-text); font-size: 1.8rem; margin-bottom: .6rem; }
.uida-cta p { color: var(--uida-text-muted); font-size: 1.3rem; margin-bottom: 1.2rem; }
.uida-cta .uida-btn { font-size: 1.5rem; padding: 1rem 2.4rem; }

/* ===== Footer ===== */
.uida-footer {
  background: var(--uida-bg-alt);
  padding: 2rem 1.4rem 9rem;
  border-top: 1px solid var(--uida-border);
}
.uida-footer-brand { font-size: 1.3rem; color: var(--uida-text-muted); margin-bottom: 1.4rem; line-height: 1.7rem; }
.uida-footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem 1rem;
  margin-bottom: 1.4rem;
}
.uida-footer-links a {
  color: var(--uida-text-muted);
  font-size: 1.2rem;
  padding: 0.3rem 0;
}
.uida-footer-links a:active { color: var(--uida-accent); }
.uida-footer-promo {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}
.uida-footer-promo button {
  background: var(--uida-accent);
  color: var(--uida-primary-dark);
  border: none;
  border-radius: 2rem;
  padding: 0.6rem 1.2rem;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
}
.uida-footer-copy {
  font-size: 1.1rem;
  color: var(--uida-text-muted);
  text-align: center;
  border-top: 1px solid var(--uida-border);
  padding-top: 1.2rem;
}

/* ===== Bottom nav (mobile only) ===== */
.uida-bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  max-width: 430px;
  margin: 0 auto;
  height: 6rem;
  background: var(--uida-bg-alt);
  border-top: 1px solid var(--uida-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -4px 14px rgba(0,0,0,0.35);
}
.uida-bottom-nav-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--uida-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  min-width: 6rem;
  min-height: 6rem;
  cursor: pointer;
  padding: 0.4rem;
  transition: color .15s ease, transform .15s ease;
}
.uida-bottom-nav-btn:active { transform: scale(0.92); }
.uida-bottom-nav-btn i, .uida-bottom-nav-btn .material-icons-outlined,
.uida-bottom-nav-btn .icon { font-size: 2.4rem; }
.uida-bottom-nav-btn span { font-size: 1.05rem; }
.uida-bottom-nav-btn.uida-nav-current { color: var(--uida-accent); }
.uida-bottom-nav-btn.uida-nav-promo { color: var(--uida-accent); }

/* ===== Desktop: hide bottom nav, widen layout ===== */
@media (min-width: 769px) {
  .uida-bottom-nav { display: none; }
  body, .uida-header, .uida-wrapper, .uida-mobile-menu { max-width: 760px; }
  .uida-grid { grid-template-columns: repeat(5, 1fr); }
  main.uida-main { padding-bottom: 2rem; }
  .uida-footer { padding-bottom: 2rem; }
}

@media (min-width: 481px) and (max-width: 768px) {
  .uida-grid { grid-template-columns: repeat(4, 1fr); }
  .uida-stats { grid-template-columns: repeat(3, 1fr); }
}

/* ===== Utility ===== */
.uida-sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}