/* ============================================================
 * TT88 Slot Login - Core stylesheet
 * All classes use prefix "uie4-" (CSS variables: --uie4-*)
 * Palette: #0A0A0A bg / #C0C0C0,#A9A9A9,#778899 neutrals
 *          #FF5722 accent / #FFDFBA warm text highlight
 * ============================================================ */

:root {
  --uie4-bg: #0A0A0A;
  --uie4-bg-2: #151515;
  --uie4-bg-3: #1f1f1f;
  --uie4-silver: #C0C0C0;
  --uie4-silver-2: #A9A9A9;
  --uie4-slate: #778899;
  --uie4-accent: #FF5722;
  --uie4-accent-2: #ff7a4d;
  --uie4-warm: #FFDFBA;
  --uie4-text: #f3f3f3;
  --uie4-muted: #b9b9b9;
  --uie4-radius: 14px;
  --uie4-shadow: 0 6px 24px rgba(0,0,0,.45);
  --uie4-max: 430px;
}

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

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

body {
  font-family: "Segoe UI", "Roboto", system-ui, -apple-system, sans-serif;
  background: var(--uie4-bg);
  color: var(--uie4-text);
  line-height: 1.5;
  font-size: 1.5rem;
  max-width: var(--uie4-max);
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--uie4-warm); text-decoration: none; }
a:hover { color: var(--uie4-accent-2); }
img { max-width: 100%; display: block; }

.uie4-container { width: 100%; padding: 0 14px; }
.uie4-wrapper { padding: 18px 14px; }

/* ---------- Header ---------- */
.uie4-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, #0d0d0d 0%, #161616 100%);
  border-bottom: 1px solid #2a2a2a;
  box-shadow: 0 2px 12px rgba(0,0,0,.55);
}
.uie4-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  gap: 8px;
}
.uie4-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.uie4-brand-logo {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--uie4-accent), #b13a14);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1.4rem;
  box-shadow: 0 0 0 2px rgba(255,87,34,.25);
}
.uie4-brand-name {
  font-size: 1.5rem; font-weight: 800; color: var(--uie4-warm);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  letter-spacing: .3px;
}
.uie4-brand-name span { color: var(--uie4-accent); }
.uie4-header-actions { display: flex; align-items: center; gap: 8px; }

.uie4-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: none; cursor: pointer;
  font-size: 1.3rem; font-weight: 700;
  padding: 8px 14px; border-radius: 10px;
  min-height: 36px; min-width: 44px;
  transition: transform .15s ease, box-shadow .15s ease, background .2s ease;
  text-decoration: none; color: #fff;
}
.uie4-btn:active { transform: scale(.95); }
.uie4-btn-primary {
  background: linear-gradient(135deg, var(--uie4-accent), #c43d12);
  color: #fff; box-shadow: 0 3px 10px rgba(255,87,34,.4);
}
.uie4-btn-ghost {
  background: transparent; color: var(--uie4-silver);
  border: 1px solid #3a3a3a;
}
.uie4-btn-ghost:hover { background: #1f1f1f; color: #fff; }

.uie4-menu-btn {
  background: transparent; border: none; color: var(--uie4-silver);
  width: 38px; height: 38px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 2rem;
}
.uie4-menu-btn:hover { background: #1f1f1f; color: #fff; }

/* ---------- Mobile expandable menu ---------- */
.uie4-mobile-menu {
  max-height: 0; overflow: hidden;
  background: #111; border-top: 1px solid #2a2a2a;
  transition: max-height .3s ease;
}
.uie4-mobile-menu.uie4-menu-open { max-height: 520px; }
.uie4-mobile-menu-inner { padding: 8px 14px 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.uie4-mobile-menu a {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; border-radius: 10px;
  background: #1a1a1a; color: var(--uie4-silver);
  font-size: 1.3rem; border: 1px solid #262626;
}
.uie4-mobile-menu a:hover { background: #232323; color: var(--uie4-warm); }
.uie4-mobile-menu a i { color: var(--uie4-accent); width: 18px; text-align: center; }

/* ---------- Desktop nav (hidden on mobile) ---------- */
.uie4-desktop-nav { display: none; }

/* ---------- Main / sections ---------- */
main { display: block; }
@media (max-width: 768px) {
  main { padding-bottom: 88px; }
}

.uie4-section { padding: 22px 14px; }
.uie4-section-alt { background: linear-gradient(180deg, #101010, #0a0a0a); }
.uie4-h1 {
  font-size: 2.1rem; line-height: 1.3; font-weight: 800;
  color: var(--uie4-warm); margin-bottom: 10px;
}
.uie4-h1 span { color: var(--uie4-accent); }
.uie4-h2 {
  font-size: 1.75rem; font-weight: 700; color: #fff;
  margin-bottom: 10px; padding-left: 10px;
  border-left: 4px solid var(--uie4-accent);
}
.uie4-h3 {
  font-size: 1.45rem; font-weight: 700; color: var(--uie4-warm);
  margin: 14px 0 6px;
}
.uie4-lead { color: var(--uie4-muted); font-size: 1.4rem; margin-bottom: 10px; }
.uie4-p { color: var(--uie4-muted); margin-bottom: 10px; font-size: 1.4rem; }

/* ---------- Carousel ---------- */
.uie4-carousel {
  position: relative; border-radius: var(--uie4-radius);
  overflow: hidden; box-shadow: var(--uie4-shadow);
  background: #000;
}
.uie4-slides { position: relative; }
.uie4-slide {
  position: relative; display: none; cursor: pointer;
}
.uie4-slide.uie4-slide-active { display: block; }
.uie4-slide img { width: 100%; height: 200px; object-fit: cover; }
.uie4-slide-overlay {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 12px 14px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.85));
  color: #fff;
}
.uie4-slide-overlay strong { color: var(--uie4-warm); font-size: 1.5rem; display: block; }
.uie4-slide-overlay span { color: var(--uie4-silver); font-size: 1.25rem; }
.uie4-dots {
  position: absolute; bottom: 8px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 6px;
}
.uie4-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,.4); cursor: pointer;
}
.uie4-dot.uie4-dot-active { background: var(--uie4-accent); width: 22px; border-radius: 4px; }

/* ---------- Game grid ---------- */
.uie4-filter-bar {
  display: flex; gap: 8px; overflow-x: auto;
  padding: 6px 0 12px; margin-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}
.uie4-filter-bar::-webkit-scrollbar { display: none; }
.uie4-filter-tab {
  flex: 0 0 auto; padding: 8px 14px; border-radius: 999px;
  background: #1c1c1c; color: var(--uie4-silver);
  font-size: 1.25rem; font-weight: 700; cursor: pointer;
  border: 1px solid #2a2a2a; white-space: nowrap;
}
.uie4-filter-tab.uie4-filter-active {
  background: linear-gradient(135deg, var(--uie4-accent), #b13a14);
  color: #fff; border-color: transparent;
}

.uie4-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}
.uie4-game-tile {
  background: var(--uie4-bg-2); border-radius: 12px;
  overflow: hidden; cursor: pointer; position: relative;
  border: 1px solid #242424;
  transition: transform .15s ease, box-shadow .15s ease;
}
.uie4-game-tile:active { transform: scale(.96); }
.uie4-game-tile:hover { box-shadow: 0 6px 18px rgba(255,87,34,.25); border-color: var(--uie4-accent); }
.uie4-game-tile img { width: 100%; height: 92px; object-fit: cover; }
.uie4-game-name {
  font-size: 1.15rem; color: var(--uie4-silver);
  padding: 6px 8px; text-align: center; line-height: 1.25;
  background: #141414;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.uie4-game-tag {
  position: absolute; top: 6px; left: 6px;
  background: rgba(255,87,34,.92); color: #fff;
  font-size: 1rem; font-weight: 700; padding: 2px 6px;
  border-radius: 6px;
}

/* ---------- Cards / features ---------- */
.uie4-card {
  background: var(--uie4-bg-2); border-radius: var(--uie4-radius);
  padding: 14px; border: 1px solid #232323; margin-bottom: 12px;
}
.uie4-card-title { color: var(--uie4-warm); font-size: 1.5rem; font-weight: 700; margin-bottom: 6px; }
.uie4-feature-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.uie4-feature {
  background: linear-gradient(160deg, #181818, #0f0f0f);
  border-radius: 12px; padding: 12px; border: 1px solid #242424;
  text-align: center;
}
.uie4-feature i { font-size: 2.4rem; color: var(--uie4-accent); margin-bottom: 6px; display: inline-block; }
.uie4-feature-title { color: var(--uie4-warm); font-weight: 700; font-size: 1.3rem; margin-bottom: 4px; }
.uie4-feature-desc { color: var(--uie4-muted); font-size: 1.15rem; line-height: 1.35; }

/* ---------- Testimonials ---------- */
.uie4-review {
  background: #141414; border-radius: 12px; padding: 12px;
  margin-bottom: 10px; border-left: 3px solid var(--uie4-accent);
}
.uie4-review-stars { color: #ffc83d; font-size: 1.2rem; margin-bottom: 4px; }
.uie4-review-text { color: var(--uie4-muted); font-size: 1.25rem; font-style: italic; }
.uie4-review-author { color: var(--uie4-warm); font-size: 1.15rem; margin-top: 6px; font-weight: 700; }

/* ---------- Winners strip ---------- */
.uie4-winner-strip {
  display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px;
}
.uie4-winner {
  flex: 0 0 auto; background: #161616; border-radius: 10px;
  padding: 8px 12px; border: 1px solid #262626; min-width: 150px;
}
.uie4-winner-name { color: var(--uie4-warm); font-weight: 700; font-size: 1.2rem; }
.uie4-winner-game { color: var(--uie4-slate); font-size: 1.1rem; }
.uie4-winner-amount { color: var(--uie4-accent); font-weight: 800; font-size: 1.35rem; }

/* ---------- Payment methods ---------- */
.uie4-pay-row { display: flex; flex-wrap: wrap; gap: 8px; }
.uie4-pay {
  background: #1a1a1a; border-radius: 8px; padding: 8px 12px;
  color: var(--uie4-silver); border: 1px solid #2a2a2a;
  font-size: 1.15rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}
.uie4-pay i { color: var(--uie4-accent); }

/* ---------- CTA ---------- */
.uie4-cta {
  background: linear-gradient(135deg, #1a0d07, #0a0a0a);
  border: 1px solid #3a2415; border-radius: var(--uie4-radius);
  padding: 18px 14px; text-align: center;
}
.uie4-cta h3 { color: var(--uie4-warm); font-size: 1.7rem; margin-bottom: 8px; }
.uie4-cta p { color: var(--uie4-muted); font-size: 1.3rem; margin-bottom: 12px; }

/* ---------- Footer ---------- */
.uie4-footer {
  background: #070707; border-top: 1px solid #222;
  padding: 22px 14px 14px;
}
.uie4-footer h4 { color: var(--uie4-warm); font-size: 1.4rem; margin-bottom: 8px; }
.uie4-footer p { color: var(--uie4-muted); font-size: 1.2rem; margin-bottom: 10px; }
.uie4-footer-links {
  display: flex; flex-wrap: wrap; gap: 6px 10px; margin-bottom: 10px;
}
.uie4-footer-links a {
  color: var(--uie4-silver); font-size: 1.15rem;
  text-decoration: underline; text-underline-offset: 2px;
}
.uie4-footer-links a:hover { color: var(--uie4-accent-2); }
.uie4-footer-promo { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.uie4-copyright { color: #6a6a6a; font-size: 1.1rem; border-top: 1px solid #1f1f1f; padding-top: 10px; margin-top: 8px; }

/* ---------- Bottom nav ---------- */
.uie4-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  max-width: var(--uie4-max); margin: 0 auto;
  height: 62px; z-index: 1000;
  background: linear-gradient(180deg, #121212, #050505);
  border-top: 1px solid #2a2a2a;
  display: flex; justify-content: space-around; align-items: stretch;
  box-shadow: 0 -3px 16px rgba(0,0,0,.6);
}
.uie4-bottom-btn {
  flex: 1; min-width: 60px; min-height: 60px;
  background: transparent; border: none; color: var(--uie4-silver-2);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; cursor: pointer; padding: 4px 2px;
  transition: color .2s ease, transform .15s ease;
  text-decoration: none;
}
.uie4-bottom-btn i { font-size: 2.2rem; }
.uie4-bottom-btn span { font-size: 1.05rem; font-weight: 600; }
.uie4-bottom-btn:active { transform: scale(.9); }
.uie4-bottom-btn:hover { color: var(--uie4-warm); }
.uie4-bottom-active { color: var(--uie4-accent) !important; }
.uie4-bottom-active span { color: var(--uie4-accent); }
.uie4-bottom-promo {
  background: linear-gradient(135deg, var(--uie4-accent), #b13a14);
  color: #fff !important; border-radius: 14px;
  margin: 4px 2px;
}

/* ---------- Reveal anim ---------- */
.uie4-reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.uie4-reveal.uie4-revealed { opacity: 1; transform: none; }

/* ---------- Back to top ---------- */
.uie4-totop {
  position: fixed; right: 12px; bottom: 74px; z-index: 999;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--uie4-accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  border: none; cursor: pointer; box-shadow: var(--uie4-shadow);
}

/* ---------- Desktop ---------- */
@media (min-width: 769px) {
  body { max-width: 960px; }
  .uie4-grid { grid-template-columns: repeat(5, 1fr); }
  .uie4-feature-grid { grid-template-columns: repeat(4, 1fr); }
  .uie4-bottom-nav { display: none; }
  main { padding-bottom: 30px; }
  .uie4-mobile-menu, .uie4-menu-btn { display: none; }
  .uie4-desktop-nav { display: flex; gap: 14px; padding: 0 14px 10px; flex-wrap: wrap; }
  .uie4-desktop-nav a { color: var(--uie4-silver); font-size: 1.2rem; }
  .uie4-desktop-nav a:hover { color: var(--uie4-warm); }
}