/* ==========================================================================
   wbjee.cfd layout stylesheet - base files only
   Class prefix: ui3c-
   Palette: #1A1A2E (deep bg) | #808080 (muted) | #C0C0C0 (silver) |
            #7CFC00 (lawn accent) | #DEB887 (warm gold)
   Mobile-first. Root font 62.5% (1rem = 10px).
   ========================================================================== */

:root {
  --ui3c-bg: #1A1A2E;
  --ui3c-bg-2: #16162a;
  --ui3c-bg-3: #20203b;
  --ui3c-card: #24243f;
  --ui3c-card-2: #2c2c4d;
  --ui3c-text: #C0C0C0;
  --ui3c-text-strong: #ffffff;
  --ui3c-muted: #808080;
  --ui3c-accent: #7CFC00;
  --ui3c-accent-2: #5fd000;
  --ui3c-gold: #DEB887;
  --ui3c-gold-2: #c9a566;
  --ui3c-border: rgba(192, 192, 192, 0.16);
  --ui3c-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  --ui3c-radius: 10px;
  --ui3c-radius-lg: 16px;
  --ui3c-header-h: 56px;
  --ui3c-bottomnav-h: 60px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Hind Siliguri", "Noto Sans Bengali", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--ui3c-bg);
  color: var(--ui3c-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--ui3c-accent); text-decoration: none; }
a:hover { color: var(--ui3c-gold); }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 { color: var(--ui3c-text-strong); margin: 0 0 0.6em; line-height: 1.3; }
h1 { font-size: 2rem; }
h2 { font-size: 1.7rem; }
h3 { font-size: 1.45rem; }
p { margin: 0 0 1rem; }

/* =========================== Layout =========================== */
.ui3c-container { width: 100%; max-width: 430px; margin: 0 auto; position: relative; }
.ui3c-wrapper { padding: 0 1.2rem; }
.ui3c-main { padding-top: calc(var(--ui3c-header-h) + 8px); padding-bottom: 0; }
@media (max-width: 768px) {
  .ui3c-main { padding-bottom: calc(var(--ui3c-bottomnav-h) + 16px); }
}

/* =========================== Header =========================== */
.ui3c-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--ui3c-header-h);
  background: linear-gradient(90deg, var(--ui3c-bg) 0%, var(--ui3c-bg-3) 100%);
  border-bottom: 1px solid var(--ui3c-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}
.ui3c-header-inner { width: 100%; max-width: 430px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.ui3c-logo { display: flex; align-items: center; gap: 8px; color: var(--ui3c-text-strong); font-weight: 700; font-size: 1.6rem; }
.ui3c-logo img { width: 28px; height: 28px; border-radius: 6px; }
.ui3c-logo .ui3c-logo-name { background: linear-gradient(90deg, var(--ui3c-accent), var(--ui3c-gold)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.ui3c-header-actions { display: flex; align-items: center; gap: 6px; }
.ui3c-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 36px; padding: 0 14px; border: none; border-radius: 20px; font-size: 1.3rem; font-weight: 700; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; text-decoration: none; }
.ui3c-btn:active { transform: scale(0.96); }
.ui3c-btn-primary { background: linear-gradient(135deg, var(--ui3c-accent), var(--ui3c-accent-2)); color: #0d1b00; box-shadow: 0 3px 10px rgba(124,252,0,0.25); }
.ui3c-btn-secondary { background: linear-gradient(135deg, var(--ui3c-gold), var(--ui3c-gold-2)); color: #1a1206; box-shadow: 0 3px 10px rgba(222,184,135,0.22); }
.ui3c-btn-ghost { background: transparent; color: var(--ui3c-text); border: 1px solid var(--ui3c-border); }

.ui3c-menu-toggle { background: transparent; border: 1px solid var(--ui3c-border); color: var(--ui3c-text); width: 36px; height: 36px; border-radius: 8px; font-size: 1.6rem; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }

/* =========================== Mobile menu =========================== */
.ui3c-menu-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 9998; opacity: 0; visibility: hidden; transition: opacity .25s ease; }
.ui3c-menu-overlay.ui3c-active { opacity: 1; visibility: visible; }
.ui3c-mobile-menu { position: fixed; top: 0; right: 0; bottom: 0; width: 78%; max-width: 320px; background: var(--ui3c-bg-2); z-index: 9999; transform: translateX(100%); transition: transform .28s ease; padding: 1.4rem; overflow-y: auto; }
.ui3c-mobile-menu.ui3c-open { transform: translateX(0); }
.ui3c-menu-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.2rem; }
.ui3c-menu-head .ui3c-logo { font-size: 1.5rem; }
.ui3c-menu-close { background: transparent; border: none; color: var(--ui3c-text); font-size: 1.8rem; cursor: pointer; }
.ui3c-menu-link { display: block; padding: 12px 12px; color: var(--ui3c-text); border-bottom: 1px solid var(--ui3c-border); font-size: 1.35rem; }
.ui3c-menu-link:hover { color: var(--ui3c-accent); background: rgba(124,252,0,0.06); }
.ui3c-menu-promo { margin-top: 1.2rem; display: grid; gap: 10px; }

/* =========================== Carousel =========================== */
.ui3c-carousel { position: relative; border-radius: var(--ui3c-radius-lg); overflow: hidden; margin: 1.2rem 0; box-shadow: var(--ui3c-shadow); }
.ui3c-carousel-track { position: relative; height: 180px; }
.ui3c-carousel-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease; cursor: pointer; }
.ui3c-carousel-slide.ui3c-active { opacity: 1; }
.ui3c-carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.ui3c-carousel-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 14px; background: linear-gradient(transparent, rgba(0,0,0,0.75)); color: #fff; font-size: 1.25rem; font-weight: 600; }
.ui3c-carousel-dots { position: absolute; bottom: 8px; right: 12px; display: flex; gap: 5px; }
.ui3c-carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.5); border: none; cursor: pointer; padding: 0; }
.ui3c-carousel-dot.ui3c-active { background: var(--ui3c-accent); }

/* =========================== Sections =========================== */
.ui3c-section { padding: 1.6rem 0; }
.ui3c-section-title { display: flex; align-items: center; gap: 8px; font-size: 1.6rem; color: var(--ui3c-text-strong); margin-bottom: 1rem; }
.ui3c-section-title::before { content: ""; width: 4px; height: 18px; background: linear-gradient(var(--ui3c-accent), var(--ui3c-gold)); border-radius: 2px; }

/* =========================== Game grid =========================== */
.ui3c-cat-block { margin-bottom: 1.6rem; }
.ui3c-cat-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.8rem; }
.ui3c-cat-head h2 { margin: 0; font-size: 1.5rem; }
.ui3c-cat-tag { font-size: 1.1rem; color: var(--ui3c-muted); }
.ui3c-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
@media (max-width: 360px) { .ui3c-grid { grid-template-columns: repeat(3, 1fr); } }
.ui3c-game-card { background: var(--ui3c-card); border: 1px solid var(--ui3c-border); border-radius: var(--ui3c-radius); overflow: hidden; cursor: pointer; transition: transform .15s ease, border-color .15s ease; position: relative; }
.ui3c-game-card:active { transform: scale(0.96); border-color: var(--ui3c-accent); }
.ui3c-game-thumb { width: 100%; aspect-ratio: 1 / 1; background: var(--ui3c-bg-3); }
.ui3c-game-thumb img { width: 100%; height: 100%; object-fit: cover; }
.ui3c-game-name { padding: 6px 6px 7px; font-size: 1.05rem; color: var(--ui3c-text); text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.2; }

/* =========================== Cards / content =========================== */
.ui3c-card { background: var(--ui3c-card); border: 1px solid var(--ui3c-border); border-radius: var(--ui3c-radius-lg); padding: 1.2rem; margin-bottom: 1rem; }
.ui3c-card h2, .ui3c-card h3 { margin-top: 0; }
.ui3c-card p { color: var(--ui3c-text); }
.ui3c-card-highlight { border-left: 3px solid var(--ui3c-accent); }
.ui3c-card-gold { border-left: 3px solid var(--ui3c-gold); }
.ui3c-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.ui3c-mini-card { background: var(--ui3c-card-2); border-radius: var(--ui3c-radius); padding: 1rem; text-align: center; }
.ui3c-mini-card .material-icons, .ui3c-mini-card .fas, .ui3c-mini-card .bi { font-size: 24px; color: var(--ui3c-accent); margin-bottom: 6px; }
.ui3c-mini-card h4 { margin: 0 0 4px; font-size: 1.25rem; color: var(--ui3c-text-strong); }
.ui3c-mini-card p { margin: 0; font-size: 1.1rem; color: var(--ui3c-muted); }

/* =========================== Promo / play now =========================== */
.ui3c-cta { background: linear-gradient(135deg, var(--ui3c-bg-3), var(--ui3c-card)); border: 1px solid var(--ui3c-border); border-radius: var(--ui3c-radius-lg); padding: 1.4rem; text-align: center; margin: 1.2rem 0; }
.ui3c-cta h3 { color: var(--ui3c-gold); margin-top: 0; }
.ui3c-cta .ui3c-btn { margin: 6px 4px; }
.ui3c-promo-link { color: var(--ui3c-accent); font-weight: 700; }
.ui3c-promo-link:hover { color: var(--ui3c-gold); text-decoration: underline; }

/* =========================== Testimonials =========================== */
.ui3c-testi { display: grid; gap: 10px; }
.ui3c-testi-item { background: var(--ui3c-card); border-left: 3px solid var(--ui3c-gold); border-radius: 8px; padding: 1rem; }
.ui3c-testi-item .ui3c-testi-name { color: var(--ui3c-text-strong); font-weight: 700; font-size: 1.2rem; }
.ui3c-testi-item .ui3c-testi-text { color: var(--ui3c-text); font-size: 1.2rem; margin: 4px 0 0; }
.ui3c-stars { color: var(--ui3c-gold); font-size: 1.1rem; letter-spacing: 1px; }

/* =========================== Payment / winners =========================== */
.ui3c-pay { display: flex; flex-wrap: wrap; gap: 8px; }
.ui3c-pay-item { background: var(--ui3c-card-2); border: 1px solid var(--ui3c-border); border-radius: 8px; padding: 8px 12px; font-size: 1.15rem; color: var(--ui3c-text); display: inline-flex; align-items: center; gap: 6px; }
.ui3c-winners { display: grid; gap: 8px; }
.ui3c-winner { display: flex; justify-content: space-between; align-items: center; background: var(--ui3c-card); border-radius: 8px; padding: 8px 12px; font-size: 1.2rem; }
.ui3c-winner .ui3c-winner-name { color: var(--ui3c-text-strong); }
.ui3c-winner .ui3c-winner-amount { color: var(--ui3c-accent); font-weight: 700; }

/* =========================== FAQ =========================== */
.ui3c-faq-item { background: var(--ui3c-card); border: 1px solid var(--ui3c-border); border-radius: var(--ui3c-radius); margin-bottom: 8px; padding: 1rem 1.2rem; }
.ui3c-faq-item h3 { margin: 0 0 6px; font-size: 1.3rem; color: var(--ui3c-accent); }
.ui3c-faq-item p { margin: 0; font-size: 1.2rem; }

/* =========================== Footer =========================== */
.ui3c-footer { background: var(--ui3c-bg-2); border-top: 1px solid var(--ui3c-border); padding: 1.6rem 1.2rem 2rem; margin-top: 1.4rem; }
.ui3c-footer-brand { color: var(--ui3c-text); font-size: 1.2rem; margin-bottom: 1rem; }
.ui3c-footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 1rem; }
.ui3c-footer-links a { color: var(--ui3c-text); font-size: 1.15rem; }
.ui3c-footer-links a:hover { color: var(--ui3c-accent); }
.ui3c-footer-promos { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 1rem; }
.ui3c-footer-copy { color: var(--ui3c-muted); font-size: 1.1rem; text-align: center; border-top: 1px solid var(--ui3c-border); padding-top: 1rem; }

/* =========================== Bottom nav =========================== */
.ui3c-bottomnav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000; height: var(--ui3c-bottomnav-h); background: linear-gradient(180deg, var(--ui3c-bg-3), var(--ui3c-bg)); border-top: 1px solid var(--ui3c-border); display: flex; justify-content: space-around; align-items: stretch; box-shadow: 0 -3px 14px rgba(0,0,0,0.45); }
.ui3c-bottomnav-btn { flex: 1; min-width: 60px; min-height: 60px; background: transparent; border: none; color: var(--ui3c-text); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; cursor: pointer; padding: 4px 2px; position: relative; transition: color .15s ease, transform .15s ease; }
.ui3c-bottomnav-btn:active { transform: scale(0.94); }
.ui3c-bottomnav-btn .ui3c-bottomnav-icon { font-size: 22px; line-height: 1; }
.ui3c-bottomnav-btn .ui3c-bottomnav-label { font-size: 1.05rem; line-height: 1.2; }
.ui3c-bottomnav-btn.ui3c-current { color: var(--ui3c-accent); }
.ui3c-bottomnav-btn.ui3c-current::before { content: ""; position: absolute; top: 0; left: 18%; right: 18%; height: 3px; background: var(--ui3c-accent); border-radius: 0 0 3px 3px; }
.ui3c-bottomnav-btn.ui3c-promo { color: var(--ui3c-gold); }
@media (min-width: 769px) { .ui3c-bottomnav { display: none; } }

/* =========================== Desktop tweaks =========================== */
@media (min-width: 769px) {
  body { background: #0f0f1e; }
  .ui3c-header { position: sticky; }
  .ui3c-container { max-width: 760px; box-shadow: 0 0 30px rgba(0,0,0,0.5); }
}

/* =========================== Utility =========================== */
.ui3c-text-accent { color: var(--ui3c-accent); }
.ui3c-text-gold { color: var(--ui3c-gold); }
.ui3c-text-strong { color: var(--ui3c-text-strong); }
.ui3c-mt-0 { margin-top: 0; }
.ui3c-center { text-align: center; }
.ui3c-hide-desktop { }
@media (min-width: 769px) { .ui3c-hide-desktop { display: none; } }