/* ============================================================
   fun88 sc - Core Stylesheet
   All classes use prefix "ui20-"
   Palette: #00B8D4 | #E0F2F1 | #1A1A1A | #80CBC4
   Mobile-first, max-width 430px
   ============================================================ */

:root {
  --ui20-primary: #00B8D4;
  --ui20-primary-dark: #008CA0;
  --ui20-accent: #80CBC4;
  --ui20-bg: #1A1A1A;
  --ui20-bg-2: #232323;
  --ui20-bg-3: #2e2e2e;
  --ui20-text: #E0F2F1;
  --ui20-text-muted: #9FBDB8;
  --ui20-gold: #FFD54F;
  --ui20-danger: #FF5252;
  --ui20-radius: 14px;
  --ui20-shadow: 0 4px 18px rgba(0,0,0,0.35);
}

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

html { font-size: 62.5%; }

body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--ui20-bg);
  color: var(--ui20-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ui20-primary); text-decoration: none; }
a:hover { color: var(--ui20-accent); }
img { max-width: 100%; display: block; }

.ui20-container { max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.ui20-wrapper { width: 100%; }

/* ============ Header ============ */
.ui20-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: linear-gradient(90deg, #141414, #1f1f1f);
  border-bottom: 1px solid rgba(0,184,212,0.25);
  box-shadow: var(--ui20-shadow);
}
.ui20-header-inner {
  max-width: 430px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.8rem 1rem; min-height: 56px;
}
.ui20-logo { display: flex; align-items: center; gap: 0.6rem; }
.ui20-logo img { width: 28px; height: 28px; border-radius: 6px; }
.ui20-logo .ui20-brand {
  font-size: 1.6rem; font-weight: 800; color: var(--ui20-text);
  letter-spacing: 0.3px;
}
.ui20-logo .ui20-brand span { color: var(--ui20-primary); }

.ui20-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.ui20-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 1.1rem; border-radius: 20px;
  font-size: 1.2rem; font-weight: 700; cursor: pointer;
  border: none; transition: transform .15s, background .2s;
  min-height: 36px; text-decoration: none;
}
.ui20-btn:hover { transform: translateY(-1px); }
.ui20-btn-login {
  background: transparent; color: var(--ui20-text);
  border: 1px solid var(--ui20-primary);
}
.ui20-btn-register {
  background: linear-gradient(90deg, var(--ui20-primary), var(--ui20-primary-dark));
  color: #06181b; font-weight: 800;
}
.ui20-menu-btn {
  background: transparent; border: none; color: var(--ui20-text);
  font-size: 1.8rem; cursor: pointer; padding: 0.4rem 0.6rem;
}

/* ============ Expandable Nav Menu ============ */
.ui20-nav {
  max-width: 430px; margin: 0 auto;
  background: var(--ui20-bg-2);
  border-top: 1px solid rgba(0,184,212,0.15);
  max-height: 0; overflow: hidden; transition: max-height .3s ease;
}
.ui20-nav-open { max-height: 520px; }
.ui20-nav-inner { padding: 0.6rem 1rem 1rem; }
.ui20-nav-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem;
}
.ui20-nav-link {
  display: block; padding: 0.7rem 0.8rem; border-radius: 10px;
  background: var(--ui20-bg-3); color: var(--ui20-text);
  font-size: 1.2rem; font-weight: 600;
  border-left: 3px solid var(--ui20-primary);
}
.ui20-nav-link:hover { background: #333; color: var(--ui20-primary); }

/* ============ Main ============ */
main { padding-top: 70px; padding-bottom: 80px; }
.ui20-section { padding: 1.6rem 0; }
.ui20-section-title {
  font-size: 1.8rem; font-weight: 800; margin-bottom: 0.8rem;
  color: var(--ui20-text); border-left: 4px solid var(--ui20-primary);
  padding-left: 0.8rem;
}
.ui20-section-title span { color: var(--ui20-primary); }
.ui20-lead { color: var(--ui20-text-muted); font-size: 1.3rem; margin-bottom: 1rem; }

/* ============ Hero Carousel ============ */
.ui20-carousel {
  position: relative; border-radius: var(--ui20-radius); overflow: hidden;
  box-shadow: var(--ui20-shadow); margin-bottom: 1rem;
}
.ui20-slide {
  display: none; cursor: pointer; position: relative;
}
.ui20-slide-active { display: block; }
.ui20-slide img { width: 100%; height: 180px; object-fit: cover; }
.ui20-slide-cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  padding: 1.6rem 1rem 0.8rem; color: #fff; font-weight: 700; font-size: 1.3rem;
}
.ui20-carousel-nav {
  position: absolute; top: 50%; width: 100%;
  display: flex; justify-content: space-between; padding: 0 0.6rem;
  transform: translateY(-50%); pointer-events: none;
}
.ui20-carousel-nav button {
  pointer-events: auto; background: rgba(0,0,0,0.45); color: #fff;
  border: none; width: 30px; height: 30px; border-radius: 50%;
  font-size: 1.4rem; cursor: pointer;
}
.ui20-dots { display: flex; gap: 0.4rem; justify-content: center; padding: 0.4rem 0; }
.ui20-dot { width: 8px; height: 8px; border-radius: 50%; background: #555; cursor: pointer; }
.ui20-dot-active { background: var(--ui20-primary); }

/* ============ CTA banner ============ */
.ui20-cta {
  background: linear-gradient(90deg, var(--ui20-primary), var(--ui20-primary-dark));
  color: #06181b; border-radius: var(--ui20-radius);
  padding: 1.2rem; text-align: center; margin: 1rem 0;
}
.ui20-cta h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 0.4rem; }
.ui20-cta p { font-size: 1.2rem; margin-bottom: 0.8rem; }
.ui20-cta .ui20-btn { background: #1A1A1A; color: var(--ui20-primary); }

/* ============ Filter Tabs ============ */
.ui20-filters { display: flex; gap: 0.4rem; overflow-x: auto; padding: 0.4rem 0 1rem; }
.ui20-filter-tab {
  flex: 0 0 auto; padding: 0.5rem 1rem; border-radius: 20px;
  background: var(--ui20-bg-3); color: var(--ui20-text);
  font-size: 1.2rem; font-weight: 600; cursor: pointer; border: 1px solid #333;
}
.ui20-filter-active { background: var(--ui20-primary); color: #06181b; border-color: var(--ui20-primary); }

/* ============ Game Grid ============ */
.ui20-game-group { margin-bottom: 1.4rem; }
.ui20-game-group h3 {
  font-size: 1.4rem; font-weight: 700; margin: 0.4rem 0 0.6rem;
  color: var(--ui20-accent); text-transform: capitalize;
}
.ui20-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem;
}
.ui20-card {
  background: var(--ui20-bg-2); border-radius: 10px; overflow: hidden;
  border: 1px solid #2a2a2a; cursor: pointer; transition: transform .15s, border-color .2s;
}
.ui20-card:hover { transform: translateY(-2px); border-color: var(--ui20-primary); }
.ui20-card img { width: 100%; height: 78px; object-fit: cover; }
.ui20-card .ui20-card-name {
  padding: 0.4rem 0.3rem; font-size: 1.05rem; text-align: center;
  color: var(--ui20-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ============ Info / Feature blocks ============ */
.ui20-info-card {
  background: var(--ui20-bg-2); border-radius: var(--ui20-radius);
  padding: 1.2rem; margin-bottom: 1rem; border: 1px solid #2a2a2a;
}
.ui20-info-card h3 { font-size: 1.5rem; color: var(--ui20-primary); margin-bottom: 0.5rem; }
.ui20-info-card p { color: var(--ui20-text-muted); font-size: 1.25rem; margin-bottom: 0.6rem; }
.ui20-info-card ul { padding-left: 1.4rem; color: var(--ui20-text-muted); font-size: 1.2rem; }
.ui20-info-card li { margin-bottom: 0.3rem; }

.ui20-feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.ui20-feature {
  background: var(--ui20-bg-2); border-radius: 10px; padding: 0.9rem;
  border-top: 3px solid var(--ui20-primary);
}
.ui20-feature .ui20-feat-icon { font-size: 1.8rem; color: var(--ui20-primary); margin-bottom: 0.3rem; }
.ui20-feature h4 { font-size: 1.25rem; color: var(--ui20-text); margin-bottom: 0.3rem; }
.ui20-feature p { font-size: 1.1rem; color: var(--ui20-text-muted); }

/* RTP table */
.ui20-rtp-table { width: 100%; border-collapse: collapse; font-size: 1.2rem; }
.ui20-rtp-table th, .ui20-rtp-table td { padding: 0.5rem; border-bottom: 1px solid #333; text-align: left; }
.ui20-rtp-table th { color: var(--ui20-primary); }
.ui20-rtp-table td .ui20-rtp-bar { height: 6px; background: #333; border-radius: 4px; overflow: hidden; }
.ui20-rtp-table td .ui20-rtp-fill { height: 100%; background: linear-gradient(90deg, var(--ui20-primary), var(--ui20-accent)); }

/* Testimonials */
.ui20-testimonial {
  background: var(--ui20-bg-2); border-radius: 10px; padding: 1rem; margin-bottom: 0.6rem;
  border-left: 3px solid var(--ui20-accent);
}
.ui20-testimonial .ui20-testi-name { font-weight: 700; color: var(--ui20-primary); font-size: 1.2rem; }
.ui20-testimonial .ui20-testi-stars { color: var(--ui20-gold); font-size: 1.1rem; margin: 0.2rem 0; }
.ui20-testimonial p { font-size: 1.2rem; color: var(--ui20-text-muted); }

/* Winners */
.ui20-winner {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--ui20-bg-2); padding: 0.6rem 0.9rem; border-radius: 8px; margin-bottom: 0.4rem;
}
.ui20-winner .ui20-winner-name { font-weight: 600; color: var(--ui20-text); font-size: 1.2rem; }
.ui20-winner .ui20-winner-amount { color: var(--ui20-gold); font-weight: 800; font-size: 1.3rem; }

/* Payment */
.ui20-pay-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; }
.ui20-pay {
  background: var(--ui20-bg-2); border-radius: 8px; padding: 0.7rem; text-align: center;
  border: 1px solid #2a2a2a;
}
.ui20-pay .ui20-pay-icon { font-size: 1.6rem; color: var(--ui20-primary); }
.ui20-pay .ui20-pay-name { font-size: 1rem; color: var(--ui20-text-muted); margin-top: 0.2rem; }

/* SEO inline links */
.ui20-seo-text { font-size: 1.25rem; color: var(--ui20-text-muted); margin: 1rem 0; }
.ui20-seo-text a { color: var(--ui20-primary); font-weight: 600; }

/* Inline promo link */
.ui20-promo-link {
  color: var(--ui20-primary); font-weight: 700; cursor: pointer;
  border-bottom: 1px dashed var(--ui20-primary);
}

/* ============ Footer ============ */
.ui20-footer {
  background: #111; border-top: 1px solid rgba(0,184,212,0.2);
  padding: 1.6rem 1rem 2rem; margin-top: 1.5rem;
}
.ui20-footer-inner { max-width: 430px; margin: 0 auto; }
.ui20-footer-brand { font-size: 1.3rem; font-weight: 800; color: var(--ui20-primary); margin-bottom: 0.4rem; }
.ui20-footer-desc { font-size: 1.15rem; color: var(--ui20-text-muted); margin-bottom: 1rem; }
.ui20-footer-promos { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.ui20-footer-promos .ui20-btn { font-size: 1.1rem; padding: 0.5rem 0.9rem; }
.ui20-footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; margin-bottom: 1rem; }
.ui20-footer-links a { color: var(--ui20-text-muted); font-size: 1.15rem; }
.ui20-footer-links a:hover { color: var(--ui20-primary); }
.ui20-footer-copy { font-size: 1.1rem; color: #666; text-align: center; border-top: 1px solid #222; padding-top: 0.8rem; }

/* ============ Mobile Bottom Nav ============ */
.ui20-bnav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  max-width: 430px; margin: 0 auto;
  height: 60px; display: flex; justify-content: space-around; align-items: center;
  background: linear-gradient(180deg, #1f1f1f, #111);
  border-top: 1px solid rgba(0,184,212,0.3);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.4);
}
.ui20-bnav-btn {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 60px; min-height: 60px; background: transparent; border: none;
  color: var(--ui20-text-muted); cursor: pointer; transition: transform .15s, color .2s;
  text-decoration: none; gap: 0.2rem;
}
.ui20-bnav-btn .ui20-bnav-icon { font-size: 22px; line-height: 1; }
.ui20-bnav-btn .ui20-bnav-label { font-size: 10px; font-weight: 600; }
.ui20-bnav-btn:active { transform: scale(0.92); color: var(--ui20-primary); }
.ui20-bnav-active { color: var(--ui20-primary); }
.ui20-bnav-active .ui20-bnav-icon { color: var(--ui20-primary); }
.ui20-bnav-badge {
  position: absolute; top: 4px; right: 18px; background: var(--ui20-danger);
  color: #fff; font-size: 9px; font-weight: 700; border-radius: 8px; padding: 0 4px;
}

/* Desktop: hide bottom nav, show desktop nav */
@media (min-width: 769px) {
  .ui20-bnav { display: none; }
  main { padding-bottom: 20px; }
  .ui20-container, .ui20-header-inner, .ui20-nav, .ui20-footer-inner { max-width: 960px; }
  .ui20-grid { grid-template-columns: repeat(6, 1fr); }
}

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