/* ===========================================================
   555bmw apk - shared stylesheet
   All custom classes use the s81a- prefix.
   Palette: #2D2D2D | #20B2AA | #FF6347 | #CED4DA | #FF4500 | #BF360C
   Mobile-first, main container capped at max-width: 430px.
   =========================================================== */

:root {
  --s81a-bg: #2D2D2D;
  --s81a-bg-soft: #1c1c1c;
  --s81a-bg-elev: #3a3a3a;
  --s81a-primary: #20B2AA;
  --s81a-primary-dark: #17807b;
  --s81a-accent: #FF6347;
  --s81a-accent-2: #FF4500;
  --s81a-deep: #BF360C;
  --s81a-text: #CED4DA;
  --s81a-text-strong: #ffffff;
  --s81a-muted: #9aa3ab;
  --s81a-line: rgba(206, 212, 218, 0.14);
  --s81a-radius: 14px;
  --s81a-shadow: 0 6px 22px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  background: var(--s81a-bg);
  color: var(--s81a-text);
  line-height: 1.5rem;
  font-size: 1.5rem;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--s81a-primary); text-decoration: none; }

/* ---------- Layout shell ---------- */
.s81a-wrapper {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  background: var(--s81a-bg);
  min-height: 100vh;
  position: relative;
  box-shadow: var(--s81a-shadow);
}

.s81a-container {
  width: 100%;
  padding: 0 14px;
}

main { padding-bottom: 96px; }

/* ---------- Header ---------- */
.s81a-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, #1f1f1f 0%, #2D2D2D 60%, #283636 100%);
  border-bottom: 2px solid var(--s81a-primary);
  padding: 8px 12px;
}

.s81a-header-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.s81a-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.s81a-logo img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.s81a-logo .s81a-brand {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--s81a-text-strong);
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.s81a-logo .s81a-brand b { color: var(--s81a-primary); }

.s81a-spacer { flex: 1; }

.s81a-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 1.35rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 40px;
  transition: transform .15s ease, filter .15s ease;
  color: #fff;
  font-family: inherit;
}
.s81a-btn:hover { filter: brightness(1.08); }
.s81a-btn:active { transform: scale(0.96); }

.s81a-btn-login {
  background: transparent;
  border: 1.5px solid var(--s81a-primary);
  color: var(--s81a-primary);
}
.s81a-btn-register {
  background: linear-gradient(135deg, var(--s81a-accent-2), var(--s81a-deep));
}

.s81a-icon-btn {
  background: transparent;
  border: 0;
  color: var(--s81a-text-strong);
  font-size: 2rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
}

/* ---------- Expandable nav menu ---------- */
.s81a-nav-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height .28s ease;
  background: var(--s81a-bg-soft);
  border-top: 1px solid var(--s81a-line);
}
.s81a-nav-menu.s81a-open { max-height: 520px; }

.s81a-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding: 12px;
}
.s81a-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--s81a-bg-elev);
  border-radius: 10px;
  color: var(--s81a-text);
  font-size: 1.3rem;
  border: 1px solid var(--s81a-line);
}
.s81a-nav-link i { color: var(--s81a-primary); font-size: 1.6rem; }

/* ---------- Carousel ---------- */
.s81a-hero {
  margin: 10px 0 6px;
}
.s81a-carousel {
  position: relative;
  border-radius: var(--s81a-radius);
  overflow: hidden;
  background: #111;
}
.s81a-slides { position: relative; }
.s81a-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .5s ease;
  display: flex;
}
.s81a-slide.s81a-active { opacity: 1; position: relative; }
.s81a-slide img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.s81a-slide.s81a-active { position: relative; }
.s81a-slides { overflow: hidden; }
.s81a-slide:not(.s81a-active) { display: none; }

.s81a-carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: #fff;
  border: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 2;
}
.s81a-carousel-arrow.s81a-prev { left: 6px; }
.s81a-carousel-arrow.s81a-next { right: 6px; }

.s81a-dots {
  position: absolute;
  bottom: 6px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
  z-index: 2;
}
.s81a-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
}
.s81a-dot.s81a-active { background: var(--s81a-accent-2); width: 18px; border-radius: 4px; }

/* ---------- Section heading ---------- */
.s81a-section { margin: 18px 0; }
.s81a-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--s81a-text-strong);
  margin: 0 0 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--s81a-primary);
}
.s81a-section-title i { color: var(--s81a-accent); font-size: 2rem; }

/* ---------- H1 hero ---------- */
.s81a-h1 {
  font-size: 2rem;
  line-height: 1.3;
  color: var(--s81a-text-strong);
  margin: 14px 0 8px;
  font-weight: 800;
}
.s81a-h1 b { color: var(--s81a-accent); }

.s81a-lead {
  color: var(--s81a-muted);
  font-size: 1.35rem;
  margin: 0 0 8px;
}

/* ---------- Filter tabs (visual helper only) ---------- */
.s81a-filter-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 10px;
  scrollbar-width: none;
}
.s81a-filter-row::-webkit-scrollbar { display: none; }
.s81a-filter-tab {
  flex: 0 0 auto;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--s81a-bg-elev);
  color: var(--s81a-text);
  font-size: 1.25rem;
  border: 1px solid var(--s81a-line);
  cursor: pointer;
}
.s81a-filter-tab.s81a-active {
  background: var(--s81a-primary);
  color: #fff;
  border-color: var(--s81a-primary);
}

/* ---------- Game grid ---------- */
.s81a-game-section h3 {
  font-size: 1.55rem;
  color: var(--s81a-text-strong);
  margin: 14px 0 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.s81a-game-section h3 .s81a-tag {
  font-size: 1rem;
  background: var(--s81a-deep);
  color: #fff;
  padding: 2px 8px;
  border-radius: 6px;
}

.s81a-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.s81a-card {
  background: var(--s81a-bg-elev);
  border-radius: 10px;
  padding: 6px;
  text-align: center;
  border: 1px solid var(--s81a-line);
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease;
  display: block;
  color: var(--s81a-text);
}
.s81a-card:hover { transform: translateY(-2px); border-color: var(--s81a-primary); }
.s81a-card:active { transform: scale(0.96); }
.s81a-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
}
.s81a-card-name {
  font-size: 1.15rem;
  margin-top: 4px;
  color: var(--s81a-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.4em;
}

/* ---------- Promo cards / feature list ---------- */
.s81a-promo-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.s81a-promo-card {
  background: linear-gradient(135deg, var(--s81a-bg-elev), #232323);
  border-radius: 12px;
  padding: 14px 12px;
  border: 1px solid var(--s81a-line);
  color: var(--s81a-text);
}
.s81a-promo-card h4 {
  margin: 0 0 6px;
  font-size: 1.45rem;
  color: var(--s81a-text-strong);
}
.s81a-promo-card .s81a-text-link {
  color: var(--s81a-accent);
  font-weight: 700;
  font-size: 1.25rem;
  border-bottom: 1px dashed var(--s81a-accent);
}

.s81a-link {
  color: var(--s81a-accent);
  font-weight: 700;
  border-bottom: 1px dashed var(--s81a-accent);
}
.s81a-link-teal { color: var(--s81a-primary); border-bottom-color: var(--s81a-primary); }

/* ---------- Content prose ---------- */
.s81a-prose p { margin: 0 0 10px; color: var(--s81a-text); font-size: 1.35rem; }
.s81a-prose h2 { color: var(--s81a-text-strong); font-size: 1.75rem; margin: 16px 0 6px; }
.s81a-prose h3 { color: var(--s81a-primary); font-size: 1.5rem; margin: 12px 0 6px; }
.s81a-prose ul { padding-left: 18px; }
.s81a-prose li { margin-bottom: 4px; }

/* ---------- Payment / winners ---------- */
.s81a-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.s81a-chip {
  background: var(--s81a-bg-elev);
  border: 1px solid var(--s81a-line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 1.2rem;
  color: var(--s81a-text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.s81a-chip i { color: var(--s81a-primary); }

.s81a-winners {
  background: var(--s81a-bg-soft);
  border-radius: 12px;
  padding: 12px;
  border: 1px solid var(--s81a-line);
}
.s81a-winner {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed var(--s81a-line);
  font-size: 1.25rem;
}
.s81a-winner:last-child { border-bottom: 0; }
.s81a-winner b { color: var(--s81a-accent); }

/* ---------- Testimonials ---------- */
.s81a-quote {
  background: var(--s81a-bg-elev);
  border-left: 3px solid var(--s81a-primary);
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
}
.s81a-quote p { margin: 0 0 4px; font-size: 1.3rem; }
.s81a-quote cite { color: var(--s81a-muted); font-style: normal; font-size: 1.15rem; }

/* ---------- CTA banner ---------- */
.s81a-cta {
  background: linear-gradient(135deg, var(--s81a-accent-2), var(--s81a-deep));
  border-radius: 14px;
  padding: 16px 14px;
  text-align: center;
  color: #fff;
  margin: 16px 0;
}
.s81a-cta h3 { margin: 0 0 6px; color: #fff; font-size: 1.7rem; }
.s81a-cta p { margin: 0 0 10px; font-size: 1.25rem; opacity: .95; }

/* ---------- Footer ---------- */
.s81a-footer {
  background: var(--s81a-bg-soft);
  border-top: 2px solid var(--s81a-primary);
  padding: 16px 14px;
  color: var(--s81a-muted);
}
.s81a-footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 10px;
  margin: 10px 0;
}
.s81a-footer-links a {
  color: var(--s81a-text);
  font-size: 1.2rem;
  padding: 4px 0;
}
.s81a-footer-promo {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0;
}
.s81a-footer-promo button {
  flex: 1 1 45%;
  min-height: 40px;
}
.s81a-footer-copy {
  text-align: center;
  font-size: 1.1rem;
  color: var(--s81a-muted);
  margin-top: 8px;
}

/* ---------- Mobile bottom nav ---------- */
.s81a-bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: #1a1a1a;
  border-top: 1px solid var(--s81a-primary);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  height: 62px;
}
.s81a-bottom-nav-wrapper {
  position: relative;
  max-width: 430px;
  margin: 0 auto;
}
.s81a-bottom-nav-wrap {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
}
.s81a-bn-btn {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--s81a-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 60px;
  padding: 4px 2px;
  cursor: pointer;
  transition: color .15s ease, transform .15s ease;
}
.s81a-bn-btn i,
.s81a-bn-btn .material-icons-outlined { font-size: 22px; }
.s81a-bn-btn span { font-size: 1rem; margin-top: 2px; }
.s81a-bn-btn.s81a-active { color: var(--s81a-accent-2); }
.s81a-bn-btn:active { transform: scale(0.92); }
.s81a-bn-btn.s81a-promo { color: var(--s81a-primary); }

/* Back-to-top */
.s81a-top-btn {
  position: fixed;
  right: 14px;
  bottom: 78px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--s81a-primary);
  color: #fff;
  border: 0;
  font-size: 1.6rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  z-index: 999;
}
.s81a-top-btn.s81a-show { opacity: 1; pointer-events: auto; }

/* ---------- Desktop tweaks ---------- */
@media (min-width: 769px) {
  .s81a-bottom-nav-wrap,
  .s81a-bottom-nav { display: none; }
  main { padding-bottom: 24px; }
  .s81a-wrapper { box-shadow: 0 0 50px rgba(0,0,0,0.5); }
}

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