/* abc7 app - core base stylesheet
   Class prefix: v92a-
   Color palette: #2C3E50 | #00CED1 | #80CBC4 | #00FFFF
   Mobile-first, max-width 430px. Comments in English. */

:root {
  --v92a-primary: #00CED1;
  --v92a-secondary: #80CBC4;
  --v92a-accent: #00FFFF;
  --v92a-bg: #2C3E50;
  --v92a-bg-dark: #1b2935;
  --v92a-bg-card: #243447;
  --v92a-text: #EAF6F7;
  --v92a-text-muted: #9FB3C0;
  --v92a-gold: #FFD166;
  --v92a-danger: #FF6B6B;
  --v92a-header-h: 5.6rem;
  --v92a-bottomnav-h: 6.4rem;
}

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

html { font-size: 62.5%; }

body {
  font-family: "Hind Siliguri", "Noto Sans Bengali", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--v92a-bg);
  color: var(--v92a-text);
  line-height: 1.5rem;
  font-size: 1.5rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--v92a-primary); text-decoration: none; }

.v92a-wrapper {
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  background: var(--v92a-bg);
}

/* ---------- Header ---------- */
.v92a-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  max-width: 430px;
  margin: 0 auto;
  height: var(--v92a-header-h);
  background: linear-gradient(90deg, var(--v92a-bg-dark), #16303f);
  border-bottom: 2px solid var(--v92a-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  z-index: 1000;
  box-shadow: 0 3px 12px rgba(0,0,0,.35);
}

.v92a-brand {
  display: flex; align-items: center; gap: .8rem;
}
.v92a-brand img { width: 3rem; height: 3rem; border-radius: .6rem; }
.v92a-brand-name {
  font-size: 1.8rem; font-weight: 800; color: var(--v92a-accent);
  letter-spacing: .03em;
}
.v92a-brand-name span { color: var(--v92a-primary); }

.v92a-header-actions { display: flex; align-items: center; gap: .7rem; }
.v92a-menu-toggle {
  background: transparent; border: none; color: var(--v92a-primary);
  font-size: 2.4rem; cursor: pointer; padding: .2rem .4rem;
  display: flex; align-items: center; justify-content: center;
  min-width: 44px; min-height: 44px;
}

.v92a-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .4rem;
  padding: .7rem 1.2rem;
  border-radius: 2rem;
  font-weight: 700; font-size: 1.3rem;
  border: none; cursor: pointer;
  min-height: 36px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.v92a-btn:active { transform: scale(.96); }
.v92a-btn-register {
  background: linear-gradient(135deg, var(--v92a-primary), var(--v92a-accent));
  color: #06212a;
  box-shadow: 0 3px 10px rgba(0,206,209,.35);
}
.v92a-btn-login {
  background: transparent;
  color: var(--v92a-accent);
  border: 1.5px solid var(--v92a-primary);
}

/* ---------- Mobile Menu ---------- */
.v92a-mobile-menu {
  position: fixed; top: var(--v92a-header-h); left: 0; right: 0;
  max-width: 430px; margin: 0 auto;
  background: var(--v92a-bg-dark);
  border-bottom: 2px solid var(--v92a-primary);
  padding: 1rem 1.2rem 1.4rem;
  transform: translateY(-130%);
  transition: transform .3s ease;
  z-index: 9999;
  max-height: 75vh; overflow-y: auto;
}
.v92a-mobile-menu.v92a-menu-open { transform: translateY(0); }
.v92a-mobile-menu a {
  display: block; padding: 1rem 1.2rem;
  color: var(--v92a-text); font-size: 1.5rem;
  border-bottom: 1px solid rgba(0,206,209,.15);
  border-radius: .6rem;
}
.v92a-mobile-menu a:active { background: rgba(0,206,209,.12); }
.v92a-mobile-menu a i { color: var(--v92a-primary); margin-right: .8rem; }

/* ---------- Main ---------- */
.v92a-main {
  padding-top: var(--v92a-header-h);
  padding-bottom: var(--v92a-bottomnav-h);
}
.v92a-section { padding: 1.6rem 1.2rem; }
.v92a-section-title {
  font-size: 2rem; font-weight: 800; margin-bottom: 1rem;
  color: var(--v92a-accent);
  border-left: 4px solid var(--v92a-primary);
  padding-left: .8rem;
}
.v92a-section-title small {
  display: block; font-size: 1.3rem; color: var(--v92a-text-muted); font-weight: 500;
}

/* ---------- Hero Carousel ---------- */
.v92a-carousel {
  position: relative; border-radius: 1.2rem; overflow: hidden;
  margin: 1.2rem 0; box-shadow: 0 6px 20px rgba(0,0,0,.4);
}
.v92a-slide {
  display: none; cursor: pointer; position: relative;
}
.v92a-slide.v92a-slide-active { display: block; }
.v92a-slide img { width: 100%; height: 18rem; object-fit: cover; }
.v92a-slide-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.2rem; background: linear-gradient(transparent, rgba(0,0,0,.85));
  color: #fff; font-size: 1.5rem; font-weight: 700;
}
.v92a-dots {
  position: absolute; bottom: .8rem; right: 1rem;
  display: flex; gap: .5rem; z-index: 5;
}
.v92a-dot {
  width: .8rem; height: .8rem; border-radius: 50%;
  background: rgba(255,255,255,.4); cursor: pointer;
}
.v92a-dot.v92a-dot-active { background: var(--v92a-accent); }

/* ---------- Promo banner ---------- */
.v92a-promo-bar {
  display: flex; align-items: center; gap: .8rem;
  background: linear-gradient(90deg, rgba(0,206,209,.18), rgba(128,203,196,.12));
  border: 1px solid rgba(0,206,209,.35);
  padding: 1rem 1.2rem; margin: 1.2rem; border-radius: 1rem;
}
.v92a-promo-bar i { color: var(--v92a-gold); font-size: 2.2rem; }
.v92a-promo-bar p { font-size: 1.3rem; color: var(--v92a-text); flex: 1; }
.v92a-promo-bar strong { color: var(--v92a-accent); }

/* ---------- Game grid ---------- */
.v92a-cat-head {
  display: flex; align-items: center; gap: .8rem;
  margin: 1.6rem 0 1rem;
}
.v92a-cat-head .v92a-cat-icon {
  width: 3.2rem; height: 3.2rem; border-radius: .8rem;
  background: linear-gradient(135deg, var(--v92a-primary), var(--v92a-secondary));
  display: flex; align-items: center; justify-content: center;
  color: #06212a; font-size: 1.6rem;
}
.v92a-cat-head h2 { font-size: 1.8rem; color: var(--v92a-accent); font-weight: 800; }
.v92a-cat-head h2 small { display:block; font-size:1.2rem; color: var(--v92a-text-muted); font-weight:500; }

.v92a-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .8rem;
}
.v92a-game-card {
  background: var(--v92a-bg-card);
  border-radius: .8rem;
  overflow: hidden;
  border: 1px solid rgba(0,206,209,.18);
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease;
  text-align: center;
}
.v92a-game-card:active { transform: scale(.96); border-color: var(--v92a-primary); }
.v92a-game-card img { width: 100%; height: 7.5rem; object-fit: cover; }
.v92a-game-card .v92a-game-name {
  font-size: 1.15rem; padding: .4rem .2rem .5rem;
  color: var(--v92a-text); line-height: 1.25rem;
  height: 2.5rem; overflow: hidden;
}
.v92a-game-card .v92a-game-tag {
  font-size: 1rem; color: var(--v92a-gold); display:block; margin-top:.1rem;
}

/* ---------- Info cards ---------- */
.v92a-card {
  background: var(--v92a-bg-card);
  border-radius: 1rem; padding: 1.4rem;
  margin-bottom: 1.2rem;
  border: 1px solid rgba(128,203,196,.18);
}
.v92a-card h2, .v92a-card h3 { color: var(--v92a-accent); margin-bottom: .8rem; font-weight: 700; }
.v92a-card h2 { font-size: 1.8rem; }
.v92a-card h3 { font-size: 1.6rem; }
.v92a-card p { color: var(--v92a-text); font-size: 1.35rem; margin-bottom: .8rem; }
.v92a-card ul { padding-left: 1.6rem; }
.v92a-card li { font-size: 1.3rem; margin-bottom: .4rem; color: var(--v92a-text); }
.v92a-card a { color: var(--v92a-primary); font-weight: 700; }
.v92a-card a:hover { text-decoration: underline; }

.v92a-features {
  display: grid; grid-template-columns: repeat(2,1fr); gap: .8rem;
}
.v92a-feature {
  background: rgba(0,206,209,.08); border-radius: .8rem;
  padding: 1rem; text-align: center; border: 1px solid rgba(0,206,209,.2);
}
.v92a-feature i { font-size: 2.4rem; color: var(--v92a-primary); margin-bottom: .5rem; }
.v92a-feature h3 { font-size: 1.3rem; color: var(--v92a-accent); margin-bottom:.3rem; }
.v92a-feature p { font-size: 1.15rem; color: var(--v92a-text-muted); margin:0; }

/* ---------- CTA ---------- */
.v92a-cta {
  display: block; text-align: center;
  background: linear-gradient(135deg, var(--v92a-primary), var(--v92a-accent));
  color: #06212a; font-weight: 800; font-size: 1.6rem;
  padding: 1.4rem; border-radius: 1rem; margin: 1.2rem 0;
  box-shadow: 0 4px 14px rgba(0,206,209,.4);
  cursor: pointer; border: none;
}
.v92a-cta:active { transform: scale(.97); }

.v92a-text-link {
  color: var(--v92a-accent); font-weight: 700; cursor: pointer;
  border-bottom: 1px dashed var(--v92a-primary);
}

/* ---------- Winners / Testimonials ---------- */
.v92a-winners {
  display: flex; gap: .8rem; overflow-x: auto; padding: .4rem 0;
}
.v92a-winner {
  min-width: 14rem; background: var(--v92a-bg-card);
  border-radius: .8rem; padding: .8rem; border: 1px solid rgba(255,209,102,.25);
}
.v92a-winner .v92a-wname { color: var(--v92a-gold); font-weight: 700; font-size: 1.3rem; }
.v92a-winner .v92a-wgame { color: var(--v92a-text-muted); font-size: 1.15rem; }
.v92a-winner .v92a-wamt { color: var(--v92a-accent); font-size: 1.5rem; font-weight: 800; }

/* ---------- Payment ---------- */
.v92a-payrow { display: flex; gap: .6rem; flex-wrap: wrap; }
.v92a-paychip {
  background: rgba(128,203,196,.12); border: 1px solid rgba(128,203,196,.3);
  border-radius: 2rem; padding: .6rem 1rem; font-size: 1.2rem; color: var(--v92a-text);
}

/* ---------- FAQ ---------- */
.v92a-faq-item {
  background: var(--v92a-bg-card); border-radius: .8rem;
  padding: 1rem 1.2rem; margin-bottom: .8rem;
  border-left: 3px solid var(--v92a-primary);
}
.v92a-faq-item h3 { font-size: 1.4rem; color: var(--v92a-accent); margin-bottom: .4rem; }
.v92a-faq-item p { font-size: 1.25rem; color: var(--v92a-text); }

/* ---------- Footer ---------- */
.v92a-footer {
  background: var(--v92a-bg-dark);
  padding: 2rem 1.2rem 1.4rem;
  border-top: 2px solid var(--v92a-primary);
  margin-top: 1.6rem;
}
.v92a-footer-brand { font-size: 1.3rem; color: var(--v92a-text-muted); margin-bottom: 1rem; line-height: 1.6rem; }
.v92a-footer-promo {
  display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 1.2rem;
}
.v92a-footer-promo .v92a-btn { flex: 1 1 40%; font-size: 1.2rem; padding:.6rem .8rem; }
.v92a-footer-links {
  display: grid; grid-template-columns: repeat(2,1fr); gap: .5rem .8rem;
  margin-bottom: 1rem;
}
.v92a-footer-links a { font-size: 1.2rem; color: var(--v92a-secondary); }
.v92a-footer-links a:hover { color: var(--v92a-accent); }
.v92a-footer-copy { font-size: 1.1rem; color: var(--v92a-text-muted); text-align: center; border-top: 1px solid rgba(255,255,255,.06); padding-top: 1rem; }

/* ---------- Mobile bottom nav ---------- */
.v92a-bottomnav {
  position: fixed; bottom: 0; left: 0; right: 0;
  max-width: 430px; margin: 0 auto;
  height: var(--v92a-bottomnav-h);
  background: linear-gradient(180deg, #16303f, #0e1f2b);
  border-top: 2px solid var(--v92a-primary);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000;
  box-shadow: 0 -4px 14px rgba(0,0,0,.4);
}
.v92a-bottomnav-btn {
  flex: 1; background: transparent; border: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .2rem; color: var(--v92a-text-muted);
  min-width: 60px; min-height: 60px;
  padding: .4rem; transition: color .15s ease, transform .15s ease;
}
.v92a-bottomnav-btn i, .v92a-bottomnav-btn .material-icons-outlined,
.v92a-bottomnav-btn .ion-icon { font-size: 2.4rem; }
.v92a-bottomnav-btn span { font-size: 1.1rem; }
.v92a-bottomnav-btn:active { transform: scale(.9); }
.v92a-bottomnav-btn.v92a-bottomnav-active { color: var(--v92a-accent); }
.v92a-bottomnav-btn.v92a-bottomnav-active i,
.v92a-bottomnav-btn.v92a-bottomnav-active .material-icons-outlined { color: var(--v92a-primary); }
.v92a-bottomnav-btn.v92a-bottomnav-promo {
  color: var(--v92a-gold);
}
.v92a-bottomnav-btn.v92a-bottomnav-promo span { color: var(--v92a-gold); }

/* ---------- Back to top ---------- */
.v92a-totop {
  position: fixed; bottom: calc(var(--v92a-bottomnav-h) + 1rem); right: 1rem;
  width: 4rem; height: 4rem; border-radius: 50%;
  background: var(--v92a-primary); color: #06212a;
  border: none; cursor: pointer; font-size: 1.8rem;
  z-index: 999; display: none;
  box-shadow: 0 4px 12px rgba(0,206,209,.4);
}

/* ---------- Desktop ---------- */
@media (min-width: 769px) {
  .v92a-bottomnav { display: none; }
  .v92a-wrapper { box-shadow: 0 0 40px rgba(0,0,0,.5); }
  .v92a-main { padding-bottom: 2rem; }
  .v92a-grid { grid-template-columns: repeat(6, 1fr); }
  .v92a-features { grid-template-columns: repeat(4,1fr); }
}