/*!
 * f1168.click - Core stylesheet (basefiles)
 * Vietnamese mobile-first casino portal.
 * All custom classes use the "ui48-" prefix.
 * Color palette: #273746 / #3C3C3C / #A9A9A9
 */
:root {
  --ui48-primary: #273746;
  --ui48-bg: #1c2733;
  --ui48-bg-alt: #3C3C3C;
  --ui48-text: #f3f5f7;
  --ui48-muted: #A9A9A9;
  --ui48-accent: #e9b949;
  --ui48-accent2: #2ec4b6;
  --ui48-danger: #e74c3c;
  --ui48-border: rgba(169, 169, 169, 0.18);
  --ui48-radius: 14px;
  --ui48-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: linear-gradient(180deg, #1c2733 0%, #273746 60%, #232c36 100%);
  color: var(--ui48-text);
  font-family: "Segoe UI", "Helvetica Neue", Roboto, Arial, sans-serif;
  font-size: 1.5rem;
  line-height: 1.5rem;
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--ui48-accent); text-decoration: none; }

/* ===== Layout ===== */
.ui48-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.4rem;
}

.ui48-wrapper { padding-top: 6.2rem; padding-bottom: 1rem; }

main { display: block; }

/* ===== Header ===== */
.ui48-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: linear-gradient(90deg, #273746 0%, #3C3C3C 100%);
  border-bottom: 1px solid var(--ui48-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}
.ui48-header-inner {
  max-width: 430px;
  margin: 0 auto;
  padding: 0.7rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.ui48-brand {
  display: flex; align-items: center; gap: 0.7rem;
  color: var(--ui48-text); font-weight: 800;
  font-size: 1.7rem; flex: 1; min-width: 0;
}
.ui48-brand img { width: 30px; height: 30px; border-radius: 8px; }
.ui48-brand span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.ui48-header-actions { display: flex; align-items: center; gap: 0.5rem; }

.ui48-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  min-height: 36px;
  padding: 0 1.1rem;
  border: none; border-radius: 999px;
  font-size: 1.35rem; font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  color: #1c2733;
}
.ui48-btn:active { transform: scale(0.96); }
.ui48-btn-primary { background: linear-gradient(90deg, #e9b949, #f4d27a); }
.ui48-btn-ghost {
  background: transparent;
  color: var(--ui48-text);
  border: 1px solid var(--ui48-border);
}
.ui48-btn-block {
  width: 100%; min-height: 44px;
  font-size: 1.55rem; margin: 0.6rem 0;
}

.ui48-icon-btn {
  background: transparent;
  border: 1px solid var(--ui48-border);
  color: var(--ui48-text);
  width: 38px; height: 38px;
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.7rem;
}

/* ===== Mobile expandable menu ===== */
.ui48-mobile-menu {
  position: fixed;
  top: 6.2rem; right: 0;
  width: 78%; max-width: 320px;
  background: #232c36;
  border-left: 1px solid var(--ui48-border);
  border-bottom: 1px solid var(--ui48-border);
  transform: translateX(110%);
  transition: transform 0.25s ease;
  z-index: 9999;
  padding: 1rem 0.4rem;
  border-radius: 0 0 0 18px;
  box-shadow: var(--ui48-shadow);
}
.ui48-mobile-menu.ui48-menu-open { transform: translateX(0); }
.ui48-mobile-menu a {
  display: block;
  padding: 1rem 1.1rem;
  color: var(--ui48-text);
  border-radius: 10px;
  font-size: 1.4rem;
  font-weight: 600;
}
.ui48-mobile-menu a:hover, .ui48-mobile-menu a:active {
  background: rgba(233, 185, 73, 0.14);
  color: var(--ui48-accent);
}
.ui48-mobile-menu .ui48-menu-label {
  padding: 0.6rem 1.1rem 0.3rem;
  color: var(--ui48-muted);
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== Hero slider ===== */
.ui48-slider {
  position: relative;
  border-radius: var(--ui48-radius);
  overflow: hidden;
  box-shadow: var(--ui48-shadow);
  margin: 1rem 0;
}
.ui48-slide {
  display: none;
  position: relative;
}
.ui48-slide.ui48-slide-active { display: block; }
.ui48-slide img { width: 100%; height: 180px; object-fit: cover; }
.ui48-slide-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.2rem 1.4rem;
  background: linear-gradient(0deg, rgba(28,39,51,0.92), transparent);
  font-size: 1.5rem; font-weight: 700;
}
.ui48-dots {
  position: absolute; bottom: 8px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 6px;
}
.ui48-slide-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
}
.ui48-slide-dot.ui48-dot-active { background: var(--ui48-accent); }

/* ===== Section ===== */
.ui48-section { margin: 1.8rem 0; }
.ui48-section-title {
  font-size: 1.7rem; font-weight: 800;
  margin: 0 0 0.8rem;
  display: flex; align-items: center; gap: 0.6rem;
  color: var(--ui48-text);
}
.ui48-section-title i { color: var(--ui48-accent); }
.ui48-section-title small {
  font-size: 1.2rem; color: var(--ui48-muted); font-weight: 500;
  margin-left: auto;
}
.ui48-intro { color: #dfe5ea; font-size: 1.4rem; line-height: 2.2rem; }
.ui48-intro p { margin: 0 0 1rem; }
.ui48-intro a { font-weight: 700; }

/* ===== Category chips ===== */
.ui48-chips {
  display: flex; gap: 0.5rem; overflow-x: auto;
  padding: 0.4rem 0 0.8rem;
  -ms-overflow-style: none; scrollbar-width: none;
}
.ui48-chips::-webkit-scrollbar { display: none; }
.ui48-chip {
  white-space: nowrap;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  background: rgba(169,169,169,0.12);
  color: var(--ui48-text);
  font-size: 1.25rem; font-weight: 600;
  border: 1px solid var(--ui48-border);
  cursor: pointer;
}
.ui48-chip.ui48-chip-active {
  background: var(--ui48-accent);
  color: #1c2733;
  border-color: var(--ui48-accent);
}

/* ===== Game grid ===== */
.ui48-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}
.ui48-game-card {
  background: linear-gradient(180deg, #2b3a4a 0%, #232c36 100%);
  border: 1px solid var(--ui48-border);
  border-radius: 12px;
  padding: 0.6rem;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
  overflow: hidden;
}
.ui48-game-card:hover, .ui48-game-card:active {
  transform: translateY(-2px);
  box-shadow: var(--ui48-shadow);
  border-color: var(--ui48-accent);
}
.ui48-game-card img {
  width: 100%; aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
}
.ui48-game-card-name {
  margin-top: 0.5rem;
  font-size: 1.15rem;
  color: var(--ui48-text);
  line-height: 1.4rem;
  height: 2.8rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ===== Cards / features ===== */
.ui48-card {
  background: rgba(60,60,60,0.45);
  border: 1px solid var(--ui48-border);
  border-radius: var(--ui48-radius);
  padding: 1.2rem;
  margin: 0.8rem 0;
}
.ui48-card h3 {
  margin: 0 0 0.6rem; font-size: 1.5rem; color: var(--ui48-accent);
}
.ui48-card p { margin: 0 0 0.8rem; color: #dfe5ea; font-size: 1.35rem; line-height: 2rem; }

.ui48-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}
.ui48-feature {
  background: #232c36;
  border: 1px solid var(--ui48-border);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}
.ui48-feature i { font-size: 2.4rem; color: var(--ui48-accent2); }
.ui48-feature b { display: block; margin-top: 0.4rem; font-size: 1.3rem; }
.ui48-feature span { color: var(--ui48-muted); font-size: 1.15rem; }

/* ===== Testimonial / winner ===== */
.ui48-row { display: flex; gap: 0.7rem; align-items: center; margin: 0.5rem 0; }
.ui48-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--ui48-accent), var(--ui48-accent2));
  display: inline-flex; align-items: center; justify-content: center;
  color: #1c2733; font-weight: 800; flex-shrink: 0;
}
.ui48-meta { font-size: 1.2rem; color: var(--ui48-muted); }

/* ===== RTP table ===== */
.ui48-table { width: 100%; border-collapse: collapse; font-size: 1.3rem; }
.ui48-table th, .ui48-table td {
  padding: 0.7rem; border-bottom: 1px solid var(--ui48-border); text-align: left;
}
.ui48-table th { color: var(--ui48-accent); }

/* ===== Payment ===== */
.ui48-pay-row {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.ui48-pay {
  flex: 1 1 30%;
  background: #2b3a4a;
  border: 1px solid var(--ui48-border);
  border-radius: 10px;
  padding: 0.7rem;
  text-align: center;
  font-size: 1.2rem;
}
.ui48-pay i { font-size: 1.8rem; color: var(--ui48-accent); display: block; }

/* ===== Footer ===== */
.ui48-footer {
  background: #1a242e;
  border-top: 1px solid var(--ui48-border);
  padding: 1.8rem 0 8.5rem;
  margin-top: 2rem;
  color: var(--ui48-muted);
}
.ui48-footer h4 { color: var(--ui48-text); font-size: 1.4rem; margin: 0.6rem 0; }
.ui48-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.4rem 0.8rem;
  font-size: 1.2rem;
}
.ui48-footer-links a { color: var(--ui48-muted); }
.ui48-footer-links a:hover { color: var(--ui48-accent); }
.ui48-footer-brand { font-size: 1.25rem; line-height: 2rem; margin-bottom: 0.8rem; }
.ui48-copyright { font-size: 1.15rem; margin-top: 1rem; color: #6c7884; }

/* ===== Mobile bottom nav ===== */
.ui48-bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 62px;
  background: linear-gradient(180deg, #273746 0%, #1c2733 100%);
  border-top: 1px solid var(--ui48-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -4px 14px rgba(0,0,0,0.4);
}
.ui48-bottom-nav a, .ui48-bottom-nav button {
  background: transparent; border: none;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  min-width: 60px; min-height: 60px;
  color: var(--ui48-muted);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  gap: 2px;
  transition: color 0.15s ease, transform 0.15s ease;
}
.ui48-bottom-nav a:active, .ui48-bottom-nav button:active { transform: scale(0.92); }
.ui48-bottom-nav .material-icons,
.ui48-bottom-nav ion-icon,
.ui48-bottom-nav i { font-size: 22px; }
.ui48-bottom-nav a.active,
.ui48-bottom-nav button.active { color: var(--ui48-accent); }
.ui48-bottom-nav .ui48-nav-promo { color: var(--ui48-accent2); }

/* ===== Desktop / tablet ===== */
@media (min-width: 769px) {
  body { background: #1c2733; }
  .ui48-container { max-width: 760px; }
  .ui48-header-inner { max-width: 760px; }
  .ui48-bottom-nav { display: none; }
  .ui48-footer { padding-bottom: 2rem; }
  .ui48-game-grid { grid-template-columns: repeat(6, 1fr); }
  .ui48-slide img { height: 320px; }
}

/* Mobile bottom padding for fixed nav clearance */
@media (max-width: 768px) {
  main { padding-bottom: 80px; }
  .ui48-wrapper { padding-bottom: 80px; }
}