/* ============================================================
   n1888.click - Theme stylesheet (Vietnamese casino landing)
   Namespace prefix : ui59-
   Palette          : #FF69B4 (hot pink) / #DC143C (crimson) / #2C3E50 (deep slate)
   Mobile-first     : max-width 430px primary, scales up.
   Comments are in English per project convention.
   ============================================================ */

:root {
  /* Brand palette */
  --ui59-primary: #DC143C;
  --ui59-accent: #FF69B4;
  --ui59-bg: #2C3E50;
  --ui59-bg-deep: #1a2533;
  --ui59-bg-soft: #34495e;
  --ui59-text: #f5f7fa;
  --ui59-text-muted: #c2cad6;
  --ui59-gold: #ffd54a;
  --ui59-success: #2ecc71;
  --ui59-warning: #ffb020;
  --ui59-card: rgba(255, 255, 255, 0.05);
  --ui59-border: rgba(255, 255, 255, 0.10);
  --ui59-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --ui59-radius: 14px;
  --ui59-radius-lg: 22px;
  --ui59-header-h: 58px;
  --ui59-bottomnav-h: 62px;
  --ui59-gradient: linear-gradient(135deg, #FF69B4 0%, #DC143C 100%);
}

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

html {
  font-size: 62.5%;            /* 1rem = 10px */
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Be Vietnam Pro", "Segoe UI", Roboto, system-ui, sans-serif;
  background: var(--ui59-bg-deep);
  color: var(--ui59-text);
  line-height: 1.5;
  font-size: 1.5rem;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--ui59-accent); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--ui59-gold); }
button { font-family: inherit; cursor: pointer; border: none; }

.ui59-skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ui59-primary); color: #fff;
  padding: 8px 14px; z-index: 2000; border-radius: 0 0 8px 0;
}
.ui59-skip-link:focus { left: 0; }

/* ---------- Layout primitives ---------- */
.ui59-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 14px;
}
.ui59-wrapper {
  max-width: 430px;
  margin: 0 auto;
  background: var(--ui59-bg);
  min-height: 100vh;
  box-shadow: 0 0 60px rgba(0,0,0,.5);
}
main.ui59-main { padding-bottom: calc(var(--ui59-bottomnav-h) + 24px); }

/* ---------- Header ---------- */
.ui59-header {
  position: sticky; top: 0; z-index: 1000;
  background: linear-gradient(180deg, rgba(26,37,51,.96), rgba(44,62,80,.96));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ui59-border);
}
.ui59-header-row {
  height: var(--ui59-header-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: 0 12px;
}
.ui59-logo {
  display: flex; align-items: center; gap: 8px;
  color: #fff; font-weight: 800; font-size: 1.9rem;
  letter-spacing: .5px;
}
.ui59-logo .ui59-logo-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--ui59-gradient);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 1.4rem;
  box-shadow: 0 4px 12px rgba(220,20,60,.4);
}
.ui59-logo small {
  display: block; font-size: 1rem; font-weight: 500;
  color: var(--ui59-text-muted); letter-spacing: 0;
}
.ui59-header-actions { display: flex; gap: 8px; align-items: center; }

/* ---------- Buttons ---------- */
.ui59-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  font-size: 1.4rem; font-weight: 700;
  border-radius: 999px;
  min-height: 40px;
  transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}
.ui59-btn:active { transform: scale(.94); }
.ui59-btn-primary {
  background: var(--ui59-gradient);
  color: #fff;
  box-shadow: 0 6px 18px rgba(220,20,60,.45);
}
.ui59-btn-primary:hover { filter: brightness(1.08); color:#fff; }
.ui59-btn-ghost {
  background: rgba(255,255,255,.08);
  color: #fff; border: 1px solid var(--ui59-border);
}
.ui59-btn-gold {
  background: linear-gradient(135deg,#ffd54a,#ffb020);
  color: #1a2533; font-weight: 800;
}
.ui59-btn-block { width: 100%; }
.ui59-btn-lg { padding: 14px 22px; font-size: 1.6rem; min-height: 50px; }

.ui59-menu-trigger {
  background: transparent; color: #fff;
  font-size: 2rem; width: 40px; height: 40px;
  border-radius: 10px;
  display: grid; place-items: center;
}

/* ---------- Mobile menu drawer ---------- */
.ui59-menu-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
  z-index: 9998;
}
.ui59-menu-backdrop.ui59-is-visible { opacity: 1; pointer-events: auto; }
.ui59-mobile-menu {
  position: fixed; top: 0; right: -86%;
  width: 80%; max-width: 320px; height: 100vh;
  background: var(--ui59-bg-deep);
  z-index: 9999;
  transform: translateX(0);
  transition: right .3s ease;
  padding: 16px;
  overflow-y: auto;
  border-left: 1px solid var(--ui59-border);
}
.ui59-mobile-menu.ui59-is-open { right: 0; }
.ui59-menu-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.ui59-menu-title { color: #fff; font-size: 1.6rem; font-weight: 700; }
.ui59-menu-close {
  background: rgba(255,255,255,.08); color:#fff;
  width: 36px; height: 36px; border-radius: 8px;
  display: grid; place-items: center; font-size: 1.8rem;
}
.ui59-menu-section { margin: 14px 0; }
.ui59-menu-section h4 {
  font-size: 1.25rem; text-transform: uppercase;
  letter-spacing: 1px; color: var(--ui59-text-muted); margin-bottom: 8px;
}
.ui59-menu-section a {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 12px; color: #fff;
  border-radius: 10px; font-size: 1.45rem;
  background: rgba(255,255,255,.04); margin-bottom: 6px;
}
.ui59-menu-section a:hover { background: rgba(255,105,180,.18); color:#fff; }
.ui59-menu-cta { margin-top: 16px; display: grid; gap: 8px; }

/* ---------- Hero carousel ---------- */
.ui59-hero {
  position: relative; overflow: hidden;
  border-radius: 0 0 var(--ui59-radius-lg) var(--ui59-radius-lg);
  background: var(--ui59-bg-soft);
}
.ui59-hero-track {
  display: flex; transition: transform .5s ease;
}
.ui59-hero-slide {
  flex: 0 0 100%; position: relative;
}
.ui59-hero-slide img {
  width: 100%; height: 200px; object-fit: cover;
}
.ui59-hero-caption {
  position: absolute; left: 14px; bottom: 14px; right: 14px;
  background: linear-gradient(transparent, rgba(0,0,0,.7));
  color: #fff; padding: 10px 12px; border-radius: 12px;
}
.ui59-hero-caption h2 { font-size: 1.7rem; font-weight: 800; margin-bottom: 4px; }
.ui59-hero-caption p { font-size: 1.25rem; color: var(--ui59-text-muted); }
.ui59-hero-nav {
  position: absolute; top: 50%; width: 100%;
  display: flex; justify-content: space-between;
  transform: translateY(-50%); pointer-events: none;
}
.ui59-hero-prev, .ui59-hero-next {
  pointer-events: auto;
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(0,0,0,.45); color: #fff;
  display: grid; place-items: center; font-size: 1.6rem;
}
.ui59-hero-dots {
  position: absolute; bottom: 8px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 6px;
}
.ui59-hero-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,.5); transition: all .2s ease;
}
.ui59-hero-dot.ui59-active { background: var(--ui59-accent); width: 18px; border-radius: 4px; }

/* ---------- Section heading ---------- */
.ui59-section { padding: 22px 0; }
.ui59-section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.ui59-section-title {
  font-size: 1.7rem; font-weight: 800; color: #fff;
  display: flex; align-items: center; gap: 8px;
}
.ui59-section-title::before {
  content: ""; width: 4px; height: 20px; border-radius: 3px;
  background: var(--ui59-gradient);
}
.ui59-section-link { font-size: 1.25rem; color: var(--ui59-accent); font-weight: 600; }

/* ---------- Category chips ---------- */
.ui59-chips {
  display: flex; gap: 8px; overflow-x: auto;
  padding: 4px 0 10px; -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.ui59-chips::-webkit-scrollbar { display: none; }
.ui59-chip {
  flex: 0 0 auto; padding: 8px 14px;
  background: rgba(255,255,255,.06);
  color: var(--ui59-text); font-size: 1.3rem; font-weight: 600;
  border-radius: 999px; border: 1px solid var(--ui59-border);
  white-space: nowrap;
}
.ui59-chip.ui59-active {
  background: var(--ui59-gradient); color: #fff; border-color: transparent;
}

/* ---------- Game grid ---------- */
.ui59-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.ui59-game-card {
  background: var(--ui59-card);
  border: 1px solid var(--ui59-border);
  border-radius: var(--ui59-radius);
  overflow: hidden;
  position: relative;
  transition: transform .15s ease, box-shadow .2s ease;
}
.ui59-game-card:active { transform: scale(.96); }
.ui59-game-card .ui59-game-thumb {
  position: relative; aspect-ratio: 1 / 1; background: #0f1620;
}
.ui59-game-card .ui59-game-thumb img {
  width: 100%; height: 100%; object-fit: cover;
}
.ui59-game-tag {
  position: absolute; top: 6px; left: 6px;
  background: var(--ui59-primary); color: #fff;
  font-size: 1rem; font-weight: 700; padding: 2px 8px;
  border-radius: 6px;
}
.ui59-game-tag.hot { background: linear-gradient(135deg,#FF69B4,#DC143C); }
.ui59-game-name {
  font-size: 1.2rem; color: #fff; font-weight: 600;
  padding: 6px 8px; text-align: center;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ---------- Info / promo cards ---------- */
.ui59-card {
  background: var(--ui59-card);
  border: 1px solid var(--ui59-border);
  border-radius: var(--ui59-radius);
  padding: 14px;
  margin-bottom: 12px;
}
.ui59-card h3 { font-size: 1.5rem; color: #fff; margin-bottom: 6px; }
.ui59-card p { font-size: 1.3rem; color: var(--ui59-text-muted); }
.ui59-card .ui59-card-icon {
  font-size: 2.2rem; color: var(--ui59-accent); margin-bottom: 6px;
}

.ui59-promo-banner {
  background: var(--ui59-gradient);
  border-radius: var(--ui59-radius-lg);
  padding: 18px;
  color: #fff;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 14px;
  box-shadow: var(--ui59-shadow);
}
.ui59-promo-banner h3 { font-size: 1.7rem; font-weight: 800; }
.ui59-promo-banner p { font-size: 1.25rem; opacity: .92; }

/* ---------- Feature list ---------- */
.ui59-feature-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.ui59-feature {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--ui59-border);
  border-radius: var(--ui59-radius);
  padding: 12px; text-align: center;
}
.ui59-feature .ui59-feature-icon {
  font-size: 2.4rem; color: var(--ui59-accent); margin-bottom: 4px;
}
.ui59-feature h4 { color: #fff; font-size: 1.35rem; margin-bottom: 4px; }
.ui59-feature p { font-size: 1.15rem; color: var(--ui59-text-muted); }

/* ---------- Testimonials ---------- */
.ui59-testi-list { display: grid; gap: 10px; }
.ui59-testi {
  background: var(--ui59-card); border: 1px solid var(--ui59-border);
  border-radius: var(--ui59-radius); padding: 12px;
}
.ui59-testi-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.ui59-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--ui59-gradient); color: #fff;
  display: grid; place-items: center; font-weight: 800;
}
.ui59-testi-name { color: #fff; font-weight: 700; font-size: 1.35rem; }
.ui59-stars { color: var(--ui59-gold); font-size: 1.1rem; }
.ui59-testi p { font-size: 1.25rem; color: var(--ui59-text-muted); }

/* ---------- Winners ticker ---------- */
.ui59-winners {
  background: rgba(255,213,74,.08);
  border: 1px dashed var(--ui59-gold);
  border-radius: var(--ui59-radius);
  padding: 10px 12px;
  display: flex; align-items: center; gap: 10px;
  overflow: hidden;
}
.ui59-winners .ui59-trophy { color: var(--ui59-gold); font-size: 2rem; }
.ui59-winners marquee { color: #fff; font-size: 1.3rem; }

/* ---------- Payment grid ---------- */
.ui59-pay-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 8px;
}
.ui59-pay {
  background: rgba(255,255,255,.06);
  border-radius: 10px; padding: 10px 4px;
  text-align: center; color: #fff; font-size: 1rem; font-weight: 600;
  border: 1px solid var(--ui59-border);
}
.ui59-pay .ui59-pay-icon { font-size: 2rem; color: var(--ui59-accent); display:block; margin-bottom: 2px; }

/* ---------- App download CTA ---------- */
.ui59-app-cta {
  background: linear-gradient(135deg,#2C3E50,#34495e);
  border: 1px solid var(--ui59-border);
  border-radius: var(--ui59-radius-lg);
  padding: 18px;
  display: grid; gap: 12px;
}
.ui59-app-cta h3 { color: #fff; font-size: 1.7rem; }
.ui59-app-cta p { color: var(--ui59-text-muted); font-size: 1.3rem; }
.ui59-app-buttons { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- FAQ ---------- */
.ui59-faq details {
  background: var(--ui59-card);
  border: 1px solid var(--ui59-border);
  border-radius: 12px;
  padding: 12px 14px; margin-bottom: 8px;
}
.ui59-faq summary {
  cursor: pointer; font-weight: 700; color: #fff;
  font-size: 1.35rem; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.ui59-faq summary::-webkit-details-marker { display: none; }
.ui59-faq summary::after { content: "+"; color: var(--ui59-accent); font-size: 1.8rem; }
.ui59-faq details[open] summary::after { content: "−"; }
.ui59-faq p { margin-top: 8px; color: var(--ui59-text-muted); font-size: 1.3rem; }

/* ---------- Footer ---------- */
.ui59-footer {
  background: var(--ui59-bg-deep);
  border-top: 1px solid var(--ui59-border);
  padding: 22px 14px calc(var(--ui59-bottomnav-h) + 30px);
  color: var(--ui59-text-muted); font-size: 1.25rem;
}
.ui59-footer h4 {
  color: #fff; font-size: 1.4rem; margin: 12px 0 8px;
  text-transform: uppercase; letter-spacing: 1px;
}
.ui59-footer-links {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin-bottom: 12px;
}
.ui59-footer-links a { color: var(--ui59-text-muted); font-size: 1.2rem; }
.ui59-footer-links a:hover { color: var(--ui59-accent); }
.ui59-footer-brand {
  background: rgba(255,255,255,.04);
  border-radius: 12px; padding: 12px; margin-bottom: 12px;
}
.ui59-footer-promo { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.ui59-copyright { font-size: 1.15rem; opacity: .8; margin-top: 8px; }

/* ---------- Bottom navigation ---------- */
.ui59-bottomnav {
  position: fixed; left: 0; right: 0; bottom: 0;
  height: var(--ui59-bottomnav-h);
  background: linear-gradient(180deg, rgba(26,37,51,.98), rgba(15,22,32,.99));
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--ui59-border);
  display: flex; justify-content: space-around; align-items: stretch;
  z-index: 1000;
  max-width: 430px; margin: 0 auto;
}
.ui59-bottomnav-item {
  flex: 1; min-width: 60px; min-height: 60px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px;
  color: var(--ui59-text-muted);
  background: transparent;
  transition: color .2s ease, transform .15s ease;
  position: relative;
}
.ui59-bottomnav-item .ui59-bottomnav-icon { font-size: 2.2rem; line-height: 1; }
.ui59-bottomnav-item .ui59-bottomnav-label { font-size: 1rem; font-weight: 600; }
.ui59-bottomnav-item:active { transform: scale(.9); }
.ui59-bottomnav-item.ui59-current,
.ui59-bottomnav-item:hover { color: var(--ui59-accent); }
.ui59-bottomnav-item.ui59-promo {
  color: #fff;
}
.ui59-bottomnav-item.ui59-promo .ui59-bottomnav-icon {
  background: var(--ui59-gradient);
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; margin-top: -18px;
  box-shadow: 0 6px 18px rgba(220,20,60,.5);
  border: 3px solid rgba(255,255,255,.15);
}

/* ---------- Back to top ---------- */
.ui59-backtop {
  position: fixed; right: 14px; bottom: calc(var(--ui59-bottomnav-h) + 14px);
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--ui59-primary); color: #fff;
  display: grid; place-items: center; font-size: 1.8rem;
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease, transform .2s ease;
  z-index: 999;
}
.ui59-backtop.ui59-visible { opacity: 1; pointer-events: auto; }
.ui59-backtop:active { transform: scale(.9); }

/* ---------- Reveal animation ---------- */
.ui59-reveal {
  opacity: 0; transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.ui59-reveal.ui59-revealed { opacity: 1; transform: none; }

/* ---------- Utility ---------- */
.ui59-text-center { text-align: center; }
.ui59-mt-8 { margin-top: 8px; }
.ui59-mt-16 { margin-top: 16px; }
.ui59-mb-0 { margin-bottom: 0; }
.ui59-hidden { display: none !important; }
.ui59-prose p { margin-bottom: 10px; color: var(--ui59-text-muted); font-size: 1.3rem; }
.ui59-prose strong { color: var(--ui59-accent); font-weight: 700; }

/* ---------- Desktop ---------- */
@media (min-width: 769px) {
  .ui59-bottomnav { display: none; }
  main.ui59-main { padding-bottom: 40px; }
  .ui59-footer { padding-bottom: 30px; }
  .ui59-wrapper { max-width: 960px; }
  .ui59-container { max-width: 960px; }
  .ui59-grid { grid-template-columns: repeat(6,1fr); }
  .ui59-feature-grid { grid-template-columns: repeat(4,1fr); }
  .ui59-pay-grid { grid-template-columns: repeat(6,1fr); }
  .ui59-hero-slide img { height: 340px; }
}

/* ---------- Small phones ---------- */
@media (max-width: 359px) {
  .ui59-grid { grid-template-columns: repeat(2,1fr); }
  .ui59-feature-grid { grid-template-columns: 1fr; }
  .ui59-logo small { display: none; }
}