/* ============================================================
 * tbjee.cyou - design-bdd9.css
 * Mobile-first (max 430px), rem units (root font 62.5%)
 * Palette: #5D5D5D #333333 #BDC3C7 #778899 #EEEEEE
 * All custom classes use the uidd- prefix
 * Comments in English only
 * ============================================================ */

:root {
  --uidd-bg: #333333;
  --uidd-bg-deep: #2a2a2a;
  --uidd-bg-soft: #3d3d3d;
  --uidd-primary: #5D5D5D;
  --uidd-accent: #778899;
  --uidd-text: #EEEEEE;
  --uidd-text-soft: #BDC3C7;
  --uidd-border: rgba(189, 195, 199, 0.18);
  --uidd-card: #3d3d3d;
  --uidd-card-hi: #454545;
  --uidd-gold: #d6b86a;
  --uidd-radius: 1.2rem;
  --uidd-shadow: 0 6px 20px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--uidd-bg);
  color: var(--uidd-text);
  font-family: "Hind Siliguri", "Noto Sans Bengali", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  font-size: 1.6rem;
  line-height: 1.5rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--uidd-text-soft); text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

.uidd-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.uidd-wrapper { max-width: 430px; margin: 0 auto; background: var(--uidd-bg-deep); min-height: 100vh; position: relative; }

/* ---------- Header ---------- */
.uidd-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: linear-gradient(180deg, #2f2f2f 0%, #333333 100%);
  border-bottom: 1px solid var(--uidd-border);
  box-shadow: 0 2px 10px rgba(0,0,0,.25);
}
.uidd-header-inner {
  max-width: 430px; margin: 0 auto; height: 5.6rem;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.2rem; gap: 1rem;
}
.uidd-logo { display: flex; align-items: center; gap: .8rem; color: var(--uidd-text); font-weight: 700; }
.uidd-logo img { width: 3rem; height: 3rem; border-radius: .6rem; }
.uidd-logo .uidd-logo-name { font-size: 1.8rem; letter-spacing: .03rem; }
.uidd-logo .uidd-logo-name b { color: var(--uidd-gold); }
.uidd-header-actions { display: flex; align-items: center; gap: .8rem; }
.uidd-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 3.6rem; padding: 0 1.4rem; border-radius: 2rem;
  font-size: 1.4rem; font-weight: 600; transition: transform .15s ease, background .2s ease;
}
.uidd-btn:active { transform: scale(.96); }
.uidd-btn-login { background: transparent; border: 1px solid var(--uidd-accent); color: var(--uidd-text); }
.uidd-btn-register { background: linear-gradient(135deg, #778899, #5D5D5D); color: #fff; box-shadow: 0 3px 10px rgba(0,0,0,.3); }
.uidd-menu-toggle {
  width: 3.6rem; height: 3.6rem; border-radius: .8rem; background: var(--uidd-bg-soft);
  display: inline-flex; align-items: center; justify-content: center; font-size: 1.8rem; color: var(--uidd-text);
  border: 1px solid var(--uidd-border);
}

/* ---------- Mobile slide-down menu ---------- */
.uidd-mobile-menu {
  position: fixed; top: 5.6rem; left: 0; right: 0; z-index: 9999;
  background: #2c2c2c; border-bottom: 1px solid var(--uidd-border);
  max-height: 0; overflow: hidden; transition: max-height .28s ease;
}
.uidd-mobile-menu.uidd-open { max-height: 60rem; box-shadow: 0 10px 30px rgba(0,0,0,.4); }
.uidd-mobile-menu-inner { max-width: 430px; margin: 0 auto; padding: 1rem 1.2rem 1.6rem; }
.uidd-mobile-menu a {
  display: flex; align-items: center; gap: 1rem; padding: 1.3rem 1rem;
  border-bottom: 1px solid rgba(189,195,199,.08); font-size: 1.5rem; color: var(--uidd-text-soft);
}
.uidd-mobile-menu a:active { background: var(--uidd-bg-soft); color: var(--uidd-text); }
.uidd-mobile-menu a i { width: 2.4rem; text-align: center; color: var(--uidd-accent); font-size: 1.8rem; }

/* ---------- Main ---------- */
.uidd-main { padding-top: 5.6rem; }
@media (max-width: 768px) {
  .uidd-main { padding-bottom: 8rem; }
}

/* ---------- Carousel ---------- */
.uidd-carousel {
  position: relative; margin: 1.2rem 0; border-radius: var(--uidd-radius); overflow: hidden;
  box-shadow: var(--uidd-shadow);
}
.uidd-carousel-viewport { overflow: hidden; }
.uidd-carousel-track { display: flex; transition: transform .5s ease; }
.uidd-carousel-slide { min-width: 100%; position: relative; }
.uidd-carousel-slide img { width: 100%; height: 18rem; object-fit: cover; }
.uidd-carousel-cap {
  position: absolute; left: 1.2rem; right: 1.2rem; bottom: 1.2rem;
  background: linear-gradient(0deg, rgba(0,0,0,.75), rgba(0,0,0,0));
  padding: 1rem; border-radius: 1rem;
}
.uidd-carousel-cap h2 { margin: 0 0 .4rem; font-size: 1.8rem; color: #fff; }
.uidd-carousel-cap p { margin: 0 0 .8rem; font-size: 1.3rem; color: var(--uidd-text-soft); }
.uidd-carousel-cap .uidd-btn { min-height: 3.2rem; padding: 0 1.2rem; font-size: 1.3rem; background: var(--uidd-gold); color: #2a2a2a; }
.uidd-carousel-dots { position: absolute; bottom: .8rem; right: 1.2rem; display: flex; gap: .5rem; }
.uidd-carousel-dot { width: .8rem; height: .8rem; border-radius: 50%; background: rgba(255,255,255,.45); transition: background .2s; }
.uidd-carousel-dot.uidd-active { background: var(--uidd-gold); }

/* ---------- Section headings ---------- */
.uidd-section { padding: 1.6rem 0; }
.uidd-section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.2rem; }
.uidd-section-head h2 { font-size: 1.9rem; margin: 0; color: var(--uidd-text); }
.uidd-section-head h2 b { color: var(--uidd-gold); }
.uidd-section-head .uidd-link-more { font-size: 1.3rem; color: var(--uidd-accent); }

/* ---------- Category chips ---------- */
.uidd-chips { display: flex; gap: .8rem; overflow-x: auto; padding: .4rem 0 1rem; -webkit-overflow-scrolling: touch; }
.uidd-chips::-webkit-scrollbar { display: none; }
.uidd-chip {
  flex: 0 0 auto; padding: .8rem 1.4rem; border-radius: 2rem; font-size: 1.3rem;
  background: var(--uidd-bg-soft); color: var(--uidd-text-soft); border: 1px solid var(--uidd-border);
  white-space: nowrap; transition: background .2s, color .2s;
}
.uidd-chip.uidd-active { background: var(--uidd-accent); color: #fff; border-color: var(--uidd-accent); }

/* ---------- Game grid ---------- */
.uidd-game-section { margin-bottom: 1.6rem; }
.uidd-game-section h3 {
  font-size: 1.6rem; margin: 0 0 1rem; padding-left: .8rem; border-left: 3px solid var(--uidd-gold);
  color: var(--uidd-text);
}
.uidd-game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
.uidd-game-card {
  background: var(--uidd-card); border-radius: 1rem; overflow: hidden; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease; position: relative;
  border: 1px solid var(--uidd-border);
}
.uidd-game-card:active { transform: scale(.97); }
.uidd-game-card img { width: 100%; height: 8.5rem; object-fit: cover; }
.uidd-game-card .uidd-game-name {
  padding: .6rem .5rem; font-size: 1.1rem; text-align: center; color: var(--uidd-text-soft);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; background: var(--uidd-bg-soft);
}
.uidd-game-card .uidd-game-tag {
  position: absolute; top: .4rem; left: .4rem; background: rgba(0,0,0,.55); color: var(--uidd-gold);
  font-size: 1rem; padding: .15rem .5rem; border-radius: .4rem;
}

/* ---------- Info / feature blocks ---------- */
.uidd-intro { background: var(--uidd-bg-soft); border-radius: var(--uidd-radius); padding: 1.6rem; margin: 1.6rem 0; border: 1px solid var(--uidd-border); }
.uidd-intro h1 { font-size: 2rem; margin: 0 0 .8rem; color: var(--uidd-text); line-height: 1.4; }
.uidd-intro h1 b { color: var(--uidd-gold); }
.uidd-intro p { margin: 0 0 1rem; font-size: 1.4rem; color: var(--uidd-text-soft); line-height: 1.6; }

.uidd-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
.uidd-feature {
  background: var(--uidd-card); border-radius: 1rem; padding: 1.2rem; border: 1px solid var(--uidd-border);
  text-align: center;
}
.uidd-feature .uidd-feature-ico { font-size: 2.4rem; color: var(--uidd-gold); margin-bottom: .6rem; }
.uidd-feature h3 { margin: 0 0 .4rem; font-size: 1.4rem; color: var(--uidd-text); }
.uidd-feature p { margin: 0; font-size: 1.2rem; color: var(--uidd-text-soft); line-height: 1.5; }

.uidd-promo-band {
  background: linear-gradient(135deg, #5D5D5D, #778899); border-radius: var(--uidd-radius);
  padding: 1.6rem; margin: 1.6rem 0; color: #fff; text-align: center;
}
.uidd-promo-band h2 { margin: 0 0 .6rem; font-size: 1.9rem; }
.uidd-promo-band p { margin: 0 0 1.2rem; font-size: 1.3rem; color: #e8eef2; }
.uidd-promo-band .uidd-btn { background: var(--uidd-gold); color: #2a2a2a; padding: 0 2rem; }

.uidd-testimonial { background: var(--uidd-card); border-radius: 1rem; padding: 1.2rem; border: 1px solid var(--uidd-border); margin-bottom: .8rem; }
.uidd-testimonial .uidd-stars { color: var(--uidd-gold); font-size: 1.3rem; margin-bottom: .4rem; }
.uidd-testimonial p { margin: 0 0 .6rem; font-size: 1.3rem; color: var(--uidd-text-soft); line-height: 1.5; }
.uidd-testimonial .uidd-author { font-size: 1.2rem; color: var(--uidd-accent); }

.uidd-winners { background: var(--uidd-bg-soft); border-radius: var(--uidd-radius); padding: 1.2rem 1.4rem; border: 1px solid var(--uidd-border); }
.uidd-winner-row { display: flex; align-items: center; justify-content: space-between; padding: .8rem 0; border-bottom: 1px solid rgba(189,195,199,.08); font-size: 1.3rem; }
.uidd-winner-row:last-child { border-bottom: 0; }
.uidd-winner-row .uidd-winner-name { color: var(--uidd-text); }
.uidd-winner-row .uidd-winner-amount { color: var(--uidd-gold); font-weight: 700; }

.uidd-payment { display: grid; grid-template-columns: repeat(4, 1fr); gap: .6rem; }
.uidd-payment .uidd-pay-item { background: var(--uidd-card); border-radius: .8rem; padding: 1rem .4rem; text-align: center; border: 1px solid var(--uidd-border); font-size: 1.1rem; color: var(--uidd-text-soft); }
.uidd-payment .uidd-pay-item i { font-size: 2rem; color: var(--uidd-accent); display: block; margin-bottom: .4rem; }

.uidd-faq { background: var(--uidd-bg-soft); border-radius: 1rem; border: 1px solid var(--uidd-border); margin-bottom: .8rem; overflow: hidden; }
.uidd-faq .uidd-faq-q { display: flex; justify-content: space-between; align-items: center; padding: 1.2rem 1.4rem; font-size: 1.4rem; color: var(--uidd-text); width: 100%; text-align: left; }
.uidd-faq .uidd-faq-q i { transition: transform .2s; color: var(--uidd-gold); }
.uidd-faq .uidd-faq-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; padding: 0 1.4rem; color: var(--uidd-text-soft); font-size: 1.3rem; line-height: 1.6; }
.uidd-faq.uidd-open .uidd-faq-a { max-height: 30rem; padding-bottom: 1.2rem; }
.uidd-faq.uidd-open .uidd-faq-q i { transform: rotate(45deg); }

.uidd-cta-app {
  background: linear-gradient(135deg, #2a2a2a, #3d3d3d); border-radius: var(--uidd-radius);
  padding: 1.6rem; margin: 1.6rem 0; border: 1px solid var(--uidd-border); text-align: center;
}
.uidd-cta-app h2 { margin: 0 0 .6rem; font-size: 1.8rem; color: var(--uidd-text); }
.uidd-cta-app p { margin: 0 0 1.2rem; font-size: 1.3rem; color: var(--uidd-text-soft); }
.uidd-cta-app .uidd-btn { background: var(--uidd-gold); color: #2a2a2a; padding: 0 2rem; min-height: 4rem; font-size: 1.5rem; }

/* ---------- SEO text block ---------- */
.uidd-seo-text { background: var(--uidd-bg-soft); border-radius: var(--uidd-radius); padding: 1.4rem 1.6rem; margin: 1.6rem 0; border: 1px solid var(--uidd-border); font-size: 1.3rem; color: var(--uidd-text-soft); line-height: 1.7; }
.uidd-seo-text h2 { font-size: 1.7rem; color: var(--uidd-text); margin: 0 0 .8rem; }
.uidd-seo-text h3 { font-size: 1.5rem; color: var(--uidd-text); margin: 1rem 0 .4rem; }
.uidd-seo-text p { margin: 0 0 .9rem; }
.uidd-seo-text a { color: var(--uidd-accent); text-decoration: underline; }

/* ---------- Footer ---------- */
.uidd-footer { background: #2a2a2a; border-top: 1px solid var(--uidd-border); padding: 2rem 0 1.4rem; margin-top: 1.6rem; }
.uidd-footer .uidd-footer-brand { font-size: 1.6rem; font-weight: 700; color: var(--uidd-text); margin-bottom: .6rem; }
.uidd-footer .uidd-footer-brand b { color: var(--uidd-gold); }
.uidd-footer p { font-size: 1.2rem; color: var(--uidd-text-soft); line-height: 1.6; margin: 0 0 1rem; }
.uidd-footer-links { display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; margin-bottom: 1.2rem; }
.uidd-footer-links a { font-size: 1.2rem; color: var(--uidd-text-soft); }
.uidd-footer-links a:hover { color: var(--uidd-gold); }
.uidd-footer-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1rem 0; }
.uidd-footer-cta .uidd-btn { min-height: 3.4rem; padding: 0 1.4rem; font-size: 1.3rem; }
.uidd-footer-cta .uidd-btn-register { background: var(--uidd-gold); color: #2a2a2a; }
.uidd-footer-cta .uidd-btn-login { border: 1px solid var(--uidd-accent); color: var(--uidd-text); }
.uidd-copy { font-size: 1.1rem; color: var(--uidd-text-soft); text-align: center; padding-top: 1rem; border-top: 1px solid rgba(189,195,199,.08); }

/* ---------- Bottom nav ---------- */
.uidd-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  background: #2a2a2a; border-top: 1px solid var(--uidd-border);
  display: flex; justify-content: space-around; align-items: stretch;
  height: 6rem; box-shadow: 0 -4px 14px rgba(0,0,0,.3);
}
.uidd-bottom-btn {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .25rem; min-width: 6rem; min-height: 6rem; color: var(--uidd-text-soft);
  font-size: 1.1rem; transition: color .2s, transform .15s; position: relative;
}
.uidd-bottom-btn i { font-size: 2.2rem; }
.uidd-bottom-btn:active { transform: scale(.92); }
.uidd-bottom-btn.uidd-current { color: var(--uidd-gold); }
.uidd-bottom-btn.uidd-current::after {
  content: ""; position: absolute; top: 0; width: 2.4rem; height: .25rem; border-radius: .2rem; background: var(--uidd-gold);
}

/* ---------- Help / article pages ---------- */
.uidd-mini-hero {
  background: linear-gradient(145deg, #3d3d3d, #2a2a2a); border-radius: var(--uidd-radius);
  padding: 1.6rem; margin: 1.2rem 0; border: 1px solid var(--uidd-border);
  box-shadow: var(--uidd-shadow);
}
.uidd-mini-hero h1 { margin: 0 0 .8rem; font-size: 2rem; line-height: 1.35; color: var(--uidd-text); }
.uidd-mini-hero h1 b { color: var(--uidd-gold); }
.uidd-mini-hero p { margin: 0 0 1rem; color: var(--uidd-text-soft); font-size: 1.35rem; line-height: 1.65; }
.uidd-article-card { background: var(--uidd-card); border: 1px solid var(--uidd-border); border-radius: 1rem; padding: 1.4rem; margin-bottom: 1rem; }
.uidd-article-card h2 { margin: 0 0 .8rem; font-size: 1.7rem; color: var(--uidd-text); }
.uidd-article-card h3 { margin: 1rem 0 .5rem; font-size: 1.45rem; color: var(--uidd-gold); }
.uidd-article-card p, .uidd-article-card li { color: var(--uidd-text-soft); font-size: 1.32rem; line-height: 1.65; }
.uidd-article-card ul, .uidd-article-card ol { padding-left: 1.8rem; margin: .6rem 0 0; }
.uidd-note { background: rgba(119,136,153,.16); border-left: 3px solid var(--uidd-accent); border-radius: .8rem; padding: 1rem; color: var(--uidd-text-soft); font-size: 1.25rem; line-height: 1.6; }
.uidd-inline-link { color: var(--uidd-gold); text-decoration: underline; font-weight: 700; }
.uidd-action-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1rem; }
.uidd-action-row .uidd-btn { min-height: 4rem; }
.uidd-stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; margin-top: 1rem; }
.uidd-stat-box { background: var(--uidd-bg-soft); border: 1px solid var(--uidd-border); border-radius: .9rem; padding: 1rem; text-align: center; }
.uidd-stat-box strong { display: block; color: var(--uidd-gold); font-size: 1.7rem; }
.uidd-stat-box span { color: var(--uidd-text-soft); font-size: 1.15rem; }

/* ---------- Reveal animation ---------- */
.uidd-reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.uidd-reveal.uidd-in { opacity: 1; transform: translateY(0); }

/* ---------- Desktop ---------- */
@media (min-width: 769px) {
  .uidd-bottom-nav { display: none; }
  .uidd-wrapper { max-width: 760px; }
  .uidd-header-inner { max-width: 760px; }
  .uidd-mobile-menu-inner { max-width: 760px; }
  .uidd-game-grid { grid-template-columns: repeat(5, 1fr); }
  .uidd-features { grid-template-columns: repeat(4, 1fr); }
  .uidd-payment { grid-template-columns: repeat(6, 1fr); }
}

/* Icon library sizing helpers (mixed FA / Material / Ionicons / Bootstrap / Tabler) */
.material-icons { font-size: 2.2rem; vertical-align: middle; }
.bi { font-size: 2rem; vertical-align: middle; }
.ti { font-size: 2rem; vertical-align: middle; }