/*!
 * Nohu Nohu - Core Stylesheet
 * Mobile-first gaming website styling
 * CSS class prefix: ui9f-
 * Palette: #E91E63 (primary) | #FFC0CB (light) | #1A1A2E (dark bg)
 */
:root {
  --ui9f-primary: #E91E63;
  --ui9f-primary-dark: #C1134E;
  --ui9f-light: #FFC0CB;
  --ui9f-light-soft: #FFE4EC;
  --ui9f-bg: #1A1A2E;
  --ui9f-bg-alt: #232347;
  --ui9f-bg-card: #252548;
  --ui9f-text: #FFFFFF;
  --ui9f-text-muted: #C7C7DD;
  --ui9f-text-soft: #FFC0CB;
  --ui9f-accent: #FFD93D;
  --ui9f-border: rgba(255, 192, 203, 0.18);
  --ui9f-shadow: 0 0.4rem 1.6rem rgba(0, 0, 0, 0.35);
  --ui9f-radius: 1.2rem;
  --ui9f-radius-sm: 0.8rem;
  --ui9f-header-h: 6rem;
  --ui9f-bottomnav-h: 6.2rem;
}

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

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

body {
  font-family: "Be Vietnam", "Segoe UI", "Roboto", system-ui, -apple-system, sans-serif;
  background: var(--ui9f-bg);
  color: var(--ui9f-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
  position: relative;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--ui9f-primary);
  text-decoration: none;
}

.ui9f-skip-link {
  position: absolute;
  left: -999rem;
  top: 0;
  background: var(--ui9f-primary);
  color: #fff;
  padding: 0.8rem 1.2rem;
  z-index: 99999;
}
.ui9f-skip-link:focus { left: 0; }

/* Header */
.ui9f-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  max-width: 430px;
  margin: 0 auto;
  height: var(--ui9f-header-h);
  background: rgba(26, 26, 46, 0.96);
  backdrop-filter: blur(0.8rem);
  border-bottom: 0.1rem solid var(--ui9f-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  z-index: 1000;
}

.ui9f-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-shrink: 0;
}
.ui9f-logo img {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 0.6rem;
}
.ui9f-logo-text {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--ui9f-primary);
  letter-spacing: 0.02rem;
  line-height: 1;
}
.ui9f-logo-text small {
  display: block;
  font-size: 1rem;
  color: var(--ui9f-text-soft);
  font-weight: 500;
}

.ui9f-header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.ui9f-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 4rem;
  padding: 0 1.4rem;
  border: none;
  border-radius: var(--ui9f-radius-sm);
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  font-family: inherit;
  text-align: center;
}
.ui9f-btn:active { transform: scale(0.96); }

.ui9f-btn-login {
  background: transparent;
  color: var(--ui9f-text);
  border: 0.15rem solid var(--ui9f-primary);
  padding: 0 1.2rem;
}
.ui9f-btn-register {
  background: linear-gradient(135deg, var(--ui9f-primary), var(--ui9f-primary-dark));
  color: #fff;
  box-shadow: 0 0.4rem 1rem rgba(233, 30, 99, 0.4);
}
.ui9f-btn-register:hover { box-shadow: 0 0.6rem 1.4rem rgba(233, 30, 99, 0.55); }

.ui9f-menu-toggle {
  background: transparent;
  border: none;
  color: var(--ui9f-text);
  font-size: 2.2rem;
  cursor: pointer;
  min-width: 4.4rem;
  min-height: 4.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.6rem;
}
.ui9f-menu-toggle:hover { color: var(--ui9f-primary); }

/* Mobile menu drawer */
.ui9f-mobile-menu {
  position: fixed;
  top: 0; right: -100%;
  width: 80%;
  max-width: 32rem;
  height: 100vh;
  background: var(--ui9f-bg-alt);
  z-index: 9999;
  padding: 2rem 1.6rem;
  transition: right 0.3s ease;
  overflow-y: auto;
}
.ui9f-mobile-menu.ui9f-nav-active { right: 0; }
.ui9f-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 9998;
  display: none;
}
body.ui9f-menu-open .ui9f-menu-overlay { display: block; }

.ui9f-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1.4rem;
  border-bottom: 0.1rem solid var(--ui9f-border);
}
.ui9f-menu-close {
  background: transparent;
  border: none;
  color: var(--ui9f-text);
  font-size: 2rem;
  cursor: pointer;
  min-width: 4.4rem;
  min-height: 4.4rem;
}
.ui9f-mobile-menu nav ul { list-style: none; }
.ui9f-mobile-menu nav a {
  display: block;
  padding: 1.2rem 1rem;
  color: var(--ui9f-text);
  font-size: 1.4rem;
  font-weight: 600;
  border-radius: 0.6rem;
  margin-bottom: 0.4rem;
  transition: background 0.2s;
}
.ui9f-mobile-menu nav a:hover,
.ui9f-mobile-menu nav a:focus {
  background: rgba(233, 30, 99, 0.18);
  color: var(--ui9f-primary);
}
.ui9f-menu-cta {
  margin-top: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

/* Main wrapper */
.ui9f-main {
  padding-top: var(--ui9f-header-h);
  padding-bottom: var(--ui9f-bottomnav-h);
  min-height: 100vh;
}
.ui9f-section {
  padding: 2.4rem 1.2rem;
}
.ui9f-section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--ui9f-text);
  margin-bottom: 0.4rem;
}
.ui9f-section-title .ui9f-accent { color: var(--ui9f-primary); }
.ui9f-section-sub {
  color: var(--ui9f-text-muted);
  font-size: 1.3rem;
  margin-bottom: 1.6rem;
}

/* Carousel */
.ui9f-carousel {
  position: relative;
  border-radius: var(--ui9f-radius);
  overflow: hidden;
  margin: 1.2rem 0;
  box-shadow: var(--ui9f-shadow);
}
.ui9f-slide {
  position: relative;
  display: none;
  cursor: pointer;
}
.ui9f-slide.ui9f-slide-active { display: block; }
.ui9f-slide img {
  width: 100%;
  height: 18rem;
  object-fit: cover;
}
.ui9f-slide-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.4rem 1.6rem 1.6rem;
  background: linear-gradient(to top, rgba(26, 26, 46, 0.92), transparent);
  color: #fff;
}
.ui9f-slide-caption h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.3rem;
}
.ui9f-slide-caption p {
  font-size: 1.2rem;
  color: var(--ui9f-text-soft);
}
.ui9f-slide-dots {
  position: absolute;
  bottom: 1rem;
  right: 1.2rem;
  display: flex;
  gap: 0.5rem;
  z-index: 2;
}
.ui9f-slide-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  border: none;
}
.ui9f-slide-dot.ui9f-slide-dot-active { background: var(--ui9f-primary); }

/* Hero */
.ui9f-hero {
  background: linear-gradient(135deg, #1A1A2E 0%, #2a1a3e 60%, #3a1a4e 100%);
  padding: 2.4rem 1.2rem 2rem;
  text-align: center;
  position: relative;
}
.ui9f-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.8rem;
  line-height: 1.3;
}
.ui9f-hero h1 .ui9f-accent { color: var(--ui9f-primary); }
.ui9f-hero p {
  color: var(--ui9f-text-muted);
  font-size: 1.3rem;
  margin-bottom: 1.6rem;
}
.ui9f-hero-cta {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  flex-wrap: wrap;
}
.ui9f-hero .ui9f-btn-register {
  font-size: 1.5rem;
  padding: 0 2rem;
  min-height: 4.4rem;
}

/* Game grid */
.ui9f-filter-bar {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding: 0.4rem 0 1.2rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.ui9f-filter-bar::-webkit-scrollbar { display: none; }
.ui9f-filter-btn {
  flex-shrink: 0;
  padding: 0.8rem 1.4rem;
  background: var(--ui9f-bg-card);
  color: var(--ui9f-text-muted);
  border: 0.1rem solid var(--ui9f-border);
  border-radius: 2rem;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}
.ui9f-filter-btn-active {
  background: var(--ui9f-primary);
  color: #fff;
  border-color: var(--ui9f-primary);
}

.ui9f-game-section { margin-bottom: 2.4rem; }
.ui9f-game-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.ui9f-game-section-head h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ui9f-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ui9f-game-section-head h2 i { color: var(--ui9f-primary); }
.ui9f-game-section-head a {
  font-size: 1.1rem;
  color: var(--ui9f-light);
  font-weight: 600;
}

.ui9f-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}
.ui9f-game-card {
  background: var(--ui9f-bg-card);
  border-radius: var(--ui9f-radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 0.1rem solid var(--ui9f-border);
  transition: transform 0.18s ease, border-color 0.2s;
  display: block;
}
.ui9f-game-card:hover {
  transform: translateY(-0.3rem);
  border-color: var(--ui9f-primary);
}
.ui9f-game-card-img {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.ui9f-game-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ui9f-game-card-name {
  padding: 0.6rem 0.4rem;
  font-size: 1.1rem;
  color: var(--ui9f-text);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
}

/* Content cards */
.ui9f-card {
  background: var(--ui9f-bg-card);
  border-radius: var(--ui9f-radius);
  padding: 1.8rem 1.4rem;
  margin-bottom: 1.2rem;
  border: 0.1rem solid var(--ui9f-border);
}
.ui9f-card h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  color: var(--ui9f-text);
}
.ui9f-card h2 .ui9f-accent { color: var(--ui9f-primary); }
.ui9f-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 1.2rem 0 0.6rem;
  color: var(--ui9f-light);
}
.ui9f-card p {
  color: var(--ui9f-text-muted);
  font-size: 1.3rem;
  line-height: 1.6;
  margin-bottom: 0.8rem;
}
.ui9f-card ul, .ui9f-card ol {
  padding-left: 1.6rem;
  margin-bottom: 0.8rem;
  color: var(--ui9f-text-muted);
}
.ui9f-card li { margin-bottom: 0.5rem; font-size: 1.3rem; line-height: 1.5; }
.ui9f-card a { color: var(--ui9f-primary); font-weight: 600; }
.ui9f-card a:hover { text-decoration: underline; }

.ui9f-promo-text {
  color: var(--ui9f-accent);
  font-weight: 700;
  cursor: pointer;
}
.ui9f-promo-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--ui9f-primary), var(--ui9f-primary-dark));
  color: #fff;
  padding: 1rem 2rem;
  border-radius: var(--ui9f-radius-sm);
  font-weight: 700;
  font-size: 1.4rem;
  border: none;
  cursor: pointer;
  margin: 1rem 0;
  box-shadow: 0 0.4rem 1rem rgba(233, 30, 99, 0.4);
}
.ui9f-promo-btn:active { transform: scale(0.96); }

/* Feature list */
.ui9f-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}
.ui9f-feature-item {
  background: var(--ui9f-bg-alt);
  border-radius: var(--ui9f-radius-sm);
  padding: 1.2rem;
  text-align: center;
  border: 0.1rem solid var(--ui9f-border);
}
.ui9f-feature-item i {
  font-size: 2.4rem;
  color: var(--ui9f-primary);
  margin-bottom: 0.6rem;
}
.ui9f-feature-item h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  color: var(--ui9f-text);
}
.ui9f-feature-item p {
  font-size: 1.1rem;
  color: var(--ui9f-text-muted);
  line-height: 1.4;
}

/* RTP compact stats */
.ui9f-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}
.ui9f-stat {
  background: var(--ui9f-bg-alt);
  border-radius: var(--ui9f-radius-sm);
  padding: 1rem;
  text-align: center;
  border-left: 0.3rem solid var(--ui9f-primary);
}
.ui9f-stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--ui9f-primary);
  display: block;
}
.ui9f-stat-label {
  font-size: 1.1rem;
  color: var(--ui9f-text-muted);
  margin-top: 0.2rem;
}

/* Testimonials */
.ui9f-testimonial {
  background: var(--ui9f-bg-alt);
  border-radius: var(--ui9f-radius-sm);
  padding: 1.2rem;
  margin-bottom: 0.8rem;
  border-left: 0.3rem solid var(--ui9f-primary);
}
.ui9f-testimonial-stars { color: var(--ui9f-accent); font-size: 1.2rem; margin-bottom: 0.4rem; }
.ui9f-testimonial p { font-size: 1.2rem; color: var(--ui9f-text); margin-bottom: 0.4rem; line-height: 1.5; }
.ui9f-testimonial-author { font-size: 1.1rem; color: var(--ui9f-light); font-weight: 600; }

/* Payment */
.ui9f-payment-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.ui9f-payment-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--ui9f-bg-alt);
  border: 0.1rem solid var(--ui9f-border);
  border-radius: 2rem;
  padding: 0.6rem 1.2rem;
  font-size: 1.1rem;
  color: var(--ui9f-text);
  font-weight: 600;
}
.ui9f-payment-chip i { color: var(--ui9f-primary); }

/* Winners */
.ui9f-winner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1rem;
  background: var(--ui9f-bg-alt);
  border-radius: var(--ui9f-radius-sm);
  margin-bottom: 0.6rem;
  border: 0.1rem solid var(--ui9f-border);
}
.ui9f-winner-name { font-size: 1.2rem; color: var(--ui9f-text); font-weight: 600; }
.ui9f-winner-game { font-size: 1.1rem; color: var(--ui9f-text-muted); }
.ui9f-winner-amount { font-size: 1.3rem; color: var(--ui9f-accent); font-weight: 800; }

/* App download CTA */
.ui9f-app-cta {
  background: linear-gradient(135deg, var(--ui9f-primary), var(--ui9f-primary-dark));
  border-radius: var(--ui9f-radius);
  padding: 1.6rem;
  text-align: center;
  margin: 1.2rem 0;
  color: #fff;
}
.ui9f-app-cta h3 { font-size: 1.8rem; font-weight: 800; margin-bottom: 0.4rem; }
.ui9f-app-cta p { font-size: 1.2rem; color: #fff; opacity: 0.9; margin-bottom: 1rem; }
.ui9f-app-cta .ui9f-btn {
  background: #fff;
  color: var(--ui9f-primary);
  font-weight: 800;
}

/* FAQ */
.ui9f-faq-item {
  background: var(--ui9f-bg-card);
  border-radius: var(--ui9f-radius-sm);
  padding: 1.2rem;
  margin-bottom: 0.8rem;
  border: 0.1rem solid var(--ui9f-border);
}
.ui9f-faq-item h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ui9f-light);
  margin-bottom: 0.5rem;
}
.ui9f-faq-item p { font-size: 1.2rem; color: var(--ui9f-text-muted); line-height: 1.5; }

/* Footer */
.ui9f-footer {
  background: var(--ui9f-bg-alt);
  padding: 2.4rem 1.2rem;
  border-top: 0.1rem solid var(--ui9f-border);
}
.ui9f-footer-brand {
  font-size: 1.3rem;
  color: var(--ui9f-text-muted);
  line-height: 1.6;
  margin-bottom: 1.6rem;
}
.ui9f-footer-brand strong { color: var(--ui9f-primary); }
.ui9f-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.6rem;
}
.ui9f-footer-links a {
  flex: 1 1 calc(50% - 0.6rem);
  min-width: 12rem;
  padding: 0.8rem 1rem;
  background: var(--ui9f-bg-card);
  border-radius: 0.6rem;
  color: var(--ui9f-text);
  font-size: 1.2rem;
  font-weight: 600;
  text-align: center;
  border: 0.1rem solid var(--ui9f-border);
}
.ui9f-footer-links a:hover { color: var(--ui9f-primary); border-color: var(--ui9f-primary); }

.ui9f-footer-promos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin-bottom: 1.6rem;
}
.ui9f-footer-promos button {
  background: linear-gradient(135deg, var(--ui9f-primary), var(--ui9f-primary-dark));
  color: #fff;
  border: none;
  padding: 1rem;
  border-radius: var(--ui9f-radius-sm);
  font-weight: 700;
  font-size: 1.2rem;
  cursor: pointer;
  font-family: inherit;
}
.ui9f-footer-promos button:active { transform: scale(0.96); }

.ui9f-footer-copy {
  text-align: center;
  font-size: 1.1rem;
  color: var(--ui9f-text-muted);
  padding-top: 1.2rem;
  border-top: 0.1rem solid var(--ui9f-border);
}

/* Bottom navigation */
.ui9f-bottomnav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  max-width: 430px;
  margin: 0 auto;
  height: var(--ui9f-bottomnav-h);
  background: rgba(26, 26, 46, 0.98);
  backdrop-filter: blur(0.8rem);
  border-top: 0.15rem solid var(--ui9f-primary);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -0.4rem 1rem rgba(0, 0, 0, 0.3);
}
.ui9f-bottomnav-btn {
  flex: 1;
  min-width: 60px;
  min-height: 60px;
  background: transparent;
  border: none;
  color: var(--ui9f-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  transition: color 0.2s, transform 0.15s;
  position: relative;
}
.ui9f-bottomnav-btn i, .ui9f-bottomnav-btn .material-icons-outlined,
.ui9f-bottomnav-btn ion-icon {
  font-size: 2.2rem;
}
.ui9f-bottomnav-btn:hover { color: var(--ui9f-primary); }
.ui9f-bottomnav-btn:active { transform: scale(0.92); }
.ui9f-bottomnav-btn-current {
  color: var(--ui9f-primary);
}
.ui9f-bottomnav-btn-current::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2.4rem;
  height: 0.25rem;
  background: var(--ui9f-primary);
  border-radius: 0 0 0.4rem 0.4rem;
}
.ui9f-bottomnav-btn-promo {
  color: var(--ui9f-accent);
}
.ui9f-bottomnav-badge {
  position: absolute;
  top: 0.4rem;
  right: 1.2rem;
  background: var(--ui9f-primary);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 1rem;
  padding: 0 0.4rem;
  min-width: 1.4rem;
  height: 1.4rem;
  line-height: 1.4rem;
  text-align: center;
}

/* Desktop: hide bottom nav, show desktop nav */
@media (min-width: 769px) {
  .ui9f-bottomnav { display: none; }
  body { max-width: 768px; }
  .ui9f-game-grid { grid-template-columns: repeat(5, 1fr); }
  .ui9f-feature-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Mobile bottom padding clearance for content above bottom nav */
@media (max-width: 768px) {
  .ui9f-main { padding-bottom: calc(var(--ui9f-bottomnav-h) + 1rem); }
}

@media (max-width: 360px) {
  .ui9f-game-grid { grid-template-columns: repeat(2, 1fr); }
  .ui9f-hero h1 { font-size: 2rem; }
}

/* Accessibility focus */
a:focus-visible, button:focus-visible {
  outline: 0.2rem solid var(--ui9f-primary);
  outline-offset: 0.2rem;
}