/* ============================================================
   33win56.click - Core layout stylesheet
   Prefix: ui4c-  | Vietnamese mobile-first casino homepage
   ============================================================ */

:root{
  --ui4c-primary:#FF6347;
  --ui4c-accent:#00FF7F;
  --ui4c-deep:#8B0000;
  --ui4c-fire:#B22222;
  --ui4c-bg:#0D1117;
  --ui4c-bg2:#11161f;
  --ui4c-card:#161c28;
  --ui4c-text:#f3f5f8;
  --ui4c-muted:#9aa3b2;
  --ui4c-border:rgba(255,255,255,.08);
  --ui4c-gold:#ffcf4d;
  --ui4c-radius:14px;
  --ui4c-shadow:0 8px 24px rgba(0,0,0,.45);
  --ui4c-header-h:58px;
  --ui4c-bottom-h:62px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{font-size:62.5%;-webkit-text-size-adjust:100%}
body{
  font-family:"Segoe UI","Noto Sans Vietnamese",Roboto,Arial,sans-serif;
  background:var(--ui4c-bg);
  color:var(--ui4c-text);
  line-height:1.5;
  font-size:1.5rem;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ui4c-accent);text-decoration:none}
ul{list-style:none}

/* ---------- Layout helpers ---------- */
.ui4c-wrapper{max-width:430px;margin:0 auto;padding:0 12px;position:relative}
.ui4c-section{padding:22px 0;border-bottom:1px solid var(--ui4c-border)}
.ui4c-eyebrow{font-size:1.2rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ui4c-primary);font-weight:700}
.ui4c-h1{font-size:2.3rem;line-height:1.25;font-weight:800;margin:8px 0}
.ui4c-h2{font-size:2rem;font-weight:800;margin:0 0 6px;color:#fff}
.ui4c-h3{font-size:1.55rem;font-weight:700;color:var(--ui4c-accent);margin:14px 0 6px}
.ui4c-lead{color:var(--ui4c-muted);font-size:1.4rem}
.ui4c-pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:1.15rem;font-weight:700;background:rgba(255,99,71,.15);color:var(--ui4c-primary)}
.ui4c-highlight{color:var(--ui4c-gold);font-weight:700}
.ui4c-promo-text{color:var(--ui4c-accent);font-weight:800;cursor:pointer}

/* ---------- Header ---------- */
.ui4c-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:linear-gradient(180deg,#0b1018,#0D1117);
  border-bottom:1px solid var(--ui4c-border);
  box-shadow:0 2px 14px rgba(0,0,0,.55);
}
.ui4c-header-row{max-width:430px;margin:0 auto;height:var(--ui4c-header-h);display:flex;align-items:center;justify-content:space-between;padding:0 12px;gap:8px}
.ui4c-brand{display:flex;align-items:center;gap:8px;font-weight:800;color:#fff;font-size:1.7rem}
.ui4c-brand img{width:30px;height:30px;border-radius:8px}
.ui4c-brand small{display:block;font-size:1rem;color:var(--ui4c-primary);font-weight:600;letter-spacing:.04em}
.ui4c-header-actions{display:flex;gap:8px;align-items:center}
.ui4c-icon-btn{background:transparent;border:none;color:#fff;font-size:2rem;cursor:pointer;padding:4px 6px;border-radius:8px}

/* ---------- Buttons ---------- */
.ui4c-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  min-height:40px;padding:0 16px;border:none;border-radius:999px;
  font-weight:800;font-size:1.35rem;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease;
}
.ui4c-btn:active{transform:scale(.96)}
.ui4c-btn-primary{background:linear-gradient(135deg,var(--ui4c-primary),var(--ui4c-fire));color:#fff;box-shadow:0 6px 16px rgba(255,99,71,.35)}
.ui4c-btn-accent{background:linear-gradient(135deg,var(--ui4c-accent),#19c37d);color:#062013;box-shadow:0 6px 16px rgba(0,255,127,.28)}
.ui4c-btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid var(--ui4c-border)}
.ui4c-btn-block{display:flex;width:100%}

/* ---------- Mobile nav menu ---------- */
.ui4c-menu{
  position:fixed;top:var(--ui4c-header-h);left:0;right:0;z-index:9999;
  background:#0b1018;border-bottom:1px solid var(--ui4c-border);
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.ui4c-menu.open{max-height:520px;box-shadow:var(--ui4c-shadow)}
.ui4c-menu ul{max-width:430px;margin:0 auto;padding:10px 12px}
.ui4c-menu li a{
  display:block;padding:12px 10px;color:#fff;border-radius:10px;
  font-weight:600;border-bottom:1px dashed var(--ui4c-border);
}
.ui4c-menu li a:active{background:rgba(255,99,71,.12);color:var(--ui4c-primary)}

/* ---------- Hero / Carousel ---------- */
.ui4c-main{padding-top:calc(var(--ui4c-header-h) + 8px)}
.ui4c-carousel{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--ui4c-shadow);margin:6px 0 4px}
.ui4c-slides{display:flex;transition:transform .45s ease}
.ui4c-slide{min-width:100%;position:relative;cursor:pointer}
.ui4c-slide img{width:100%;height:200px;object-fit:cover}
.ui4c-slide-caption{position:absolute;left:14px;bottom:12px;background:rgba(0,0,0,.55);padding:8px 14px;border-radius:10px;font-weight:700;font-size:1.4rem}
.ui4c-dots{position:absolute;bottom:8px;right:12px;display:flex;gap:6px}
.ui4c-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.45)}
.ui4c-dot.active{background:var(--ui4c-primary)}

/* ---------- Game grid ---------- */
.ui4c-cat-head{display:flex;align-items:center;justify-content:space-between;margin:18px 0 10px}
.ui4c-cat-head h2{display:flex;align-items:center;gap:8px;font-size:1.8rem}
.ui4c-cat-head .ui4c-cat-tag{font-size:1.15rem;color:var(--ui4c-accent);font-weight:700}
.ui4c-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.ui4c-game{background:var(--ui4c-card);border:1px solid var(--ui4c-border);border-radius:12px;overflow:hidden;cursor:pointer;transition:transform .15s ease, border-color .15s ease}
.ui4c-game:active{transform:scale(.96);border-color:var(--ui4c-primary)}
.ui4c-game img{width:100%;aspect-ratio:1/1;object-fit:cover;background:#0b1018}
.ui4c-game-name{padding:6px 8px;font-size:1.18rem;text-align:center;color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ui4c-game-hot{position:relative}
.ui4c-game-hot::after{content:"HOT";position:absolute;top:6px;left:6px;background:var(--ui4c-fire);color:#fff;font-size:.95rem;font-weight:800;padding:2px 6px;border-radius:6px;letter-spacing:.05em}

/* ---------- Cards / modules ---------- */
.ui4c-card{background:var(--ui4c-card);border:1px solid var(--ui4c-border);border-radius:var(--ui4c-radius);padding:14px;box-shadow:var(--ui4c-shadow);margin-bottom:14px}
.ui4c-card h2{margin-bottom:8px}
.ui4c-card p{color:var(--ui4c-muted);font-size:1.35rem;margin-bottom:8px}
.ui4c-features{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.ui4c-feature{background:rgba(255,255,255,.04);border-radius:10px;padding:12px;text-align:center}
.ui4c-feature ionic-icon,.ui4c-feature i{font-size:2.4rem;color:var(--ui4c-primary)}
.ui4c-feature strong{display:block;margin-top:6px;font-size:1.3rem;color:#fff}
.ui4c-feature span{font-size:1.15rem;color:var(--ui4c-muted)}

/* ---------- Steps / lists ---------- */
.ui4c-steps{counter-reset:step; padding:0}
.ui4c-step{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--ui4c-border)}
.ui4c-step-num{flex:0 0 30px;height:30px;border-radius:50%;background:var(--ui4c-primary);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:1.3rem}
.ui4c-step-body strong{display:block;color:#fff;font-size:1.35rem}
.ui4c-step-body span{color:var(--ui4c-muted);font-size:1.25rem}

.ui4c-faq item{display:block}
.ui4c-faq{padding:0}
.ui4c-faq > div{background:rgba(255,255,255,.04);border-radius:10px;padding:12px;margin-bottom:8px}
.ui4c-faq h3{margin:0 0 4px;font-size:1.35rem;color:var(--ui4c-accent)}
.ui4c-faq p{margin:0;color:var(--ui4c-muted);font-size:1.25rem}

/* ---------- Testimonials ---------- */
.ui4c-testi{display:flex;flex-direction:column;gap:10px}
.ui4c-testi-item{background:rgba(255,255,255,.04);border-radius:10px;padding:12px;display:flex;gap:10px}
.ui4c-avatar{flex:0 0 38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--ui4c-primary),var(--ui4c-accent));display:flex;align-items:center;justify-content:center;font-weight:800;color:#062013}
.ui4c-stars{color:var(--ui4c-gold);font-size:1.1rem;letter-spacing:2px}

/* ---------- Winners ---------- */
.ui4c-winners{display:flex;flex-direction:column;gap:8px}
.ui4c-winner{display:flex;justify-content:space-between;font-size:1.25rem;padding:6px 10px;border-radius:8px;background:rgba(0,255,127,.06)}
.ui4c-winner span:last-child{color:var(--ui4c-gold);font-weight:800}

/* ---------- Payment ---------- */
.ui4c-pay{display:flex;flex-wrap:wrap;gap:8px}
.ui4c-pay span{padding:6px 12px;background:rgba(255,255,255,.05);border:1px solid var(--ui4c-border);border-radius:999px;font-size:1.15rem;font-weight:600}

/* ---------- App CTA ---------- */
.ui4c-app{display:flex;align-items:center;gap:12px;background:linear-gradient(135deg,#1a2330,#11161f);border-radius:14px;padding:14px;border:1px solid var(--ui4c-border)}
.ui4c-app-icon{flex:0 0 56px;height:56px;border-radius:12px;background:linear-gradient(135deg,var(--ui4c-primary),var(--ui4c-fire));display:flex;align-items:center;justify-content:center;font-size:2.6rem;color:#fff}
.ui4c-app-body{flex:1}
.ui4c-app-body strong{color:#fff;font-size:1.4rem;display:block}
.ui4c-app-body span{color:var(--ui4c-muted);font-size:1.2rem}
.ui4c-app-btns{display:flex;flex-direction:column;gap:6px}
.ui4c-app-btns .ui4c-btn{min-height:34px;padding:0 12px;font-size:1.15rem}

/* ---------- Footer ---------- */
.ui4c-footer{background:#0b1018;border-top:1px solid var(--ui4c-border);padding:22px 0 calc(var(--ui4c-bottom-h) + 22px);color:var(--ui4c-muted)}
.ui4c-footer-brand{color:#fff;font-weight:800;margin-bottom:8px;font-size:1.6rem}
.ui4c-footer p{font-size:1.25rem;margin-bottom:10px}
.ui4c-footer-links{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.ui4c-footer-links a{padding:6px 10px;border-radius:8px;background:rgba(255,255,255,.05);font-size:1.15rem;color:#fff;border:1px solid var(--ui4c-border)}
.ui4c-footer-links a:active{color:var(--ui4c-primary)}
.ui4c-promo-row{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.ui4c-promo-row .ui4c-btn{flex:1;min-width:120px;font-size:1.2rem;min-height:36px;padding:0 10px}
.ui4c-copy{text-align:center;font-size:1.1rem;border-top:1px dashed var(--ui4c-border);padding-top:10px;margin-top:8px}

/* ---------- Bottom nav ---------- */
.ui4c-bottom-nav{
  position:fixed;left:0;right:0;bottom:0;z-index:1000;
  height:var(--ui4c-bottom-h);background:#0b1018;border-top:1px solid var(--ui4c-border);
  display:flex;justify-content:space-around;align-items:stretch;
  box-shadow:0 -4px 18px rgba(0,0,0,.5);
}
.ui4c-bottom-nav a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:var(--ui4c-muted);font-size:1.05rem;font-weight:600;gap:2px;cursor:pointer;
  transition:color .15s ease, transform .15s ease;min-width:60px;min-height:60px;
}
.ui4c-bottom-nav a i,.ui4c-bottom-nav a span.material-icons-outlined{font-size:2.2rem}
.ui4c-bottom-nav a:active{transform:scale(.92)}
.ui4c-bottom-nav a.active{color:var(--ui4c-primary)}
.ui4c-bottom-nav a.ui4c-bn-promo{color:var(--ui4c-accent)}

/* ---------- Responsive ---------- */
@media (min-width:769px){
  .ui4c-bottom-nav{display:none}
  .ui4c-wrapper,.ui4c-header-row,.ui4c-menu ul{max-width:760px}
  .ui4c-grid{grid-template-columns:repeat(6,1fr)}
}
@media (max-width:768px){
  main.ui4c-main{padding-bottom:calc(var(--ui4c-bottom-h) + 14px)}
}