/**
 * tk111 Main Stylesheet
 * All classes use ui6d- prefix for namespace isolation
 * Color palette: #4DB6AC (teal accent) | #F0FDFF (light text) | #273746 (dark bg)
 * Mobile-first design, max-width 430px
 */

:root {
  --ui6d-primary: #4DB6AC;
  --ui6d-primary-dark: #3a9e94;
  --ui6d-primary-light: #80cbc4;
  --ui6d-bg: #273746;
  --ui6d-bg-dark: #1a2632;
  --ui6d-bg-card: #2d4152;
  --ui6d-bg-card-hover: #354d61;
  --ui6d-text: #F0FDFF;
  --ui6d-text-muted: #a8c4d0;
  --ui6d-text-dark: #8ab4c4;
  --ui6d-accent: #FFD54F;
  --ui6d-accent2: #FF7043;
  --ui6d-border: #3a5568;
  --ui6d-success: #66BB6A;
  --ui6d-radius: 8px;
  --ui6d-radius-lg: 12px;
  --ui6d-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--ui6d-bg);
  color: var(--ui6d-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ui6d-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--ui6d-primary-light); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* Container */
.ui6d-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.ui6d-wrapper { padding: 1rem 0; }
.ui6d-main { padding-top: 5.6rem; padding-bottom: 8rem; }

/* Header */
.ui6d-header {
  position: fixed; top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px; height: 5.6rem;
  background: var(--ui6d-bg-dark);
  border-bottom: 1px solid var(--ui6d-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1rem; z-index: 1000;
}
.ui6d-logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 1.8rem; font-weight: 700; color: var(--ui6d-primary);
}
.ui6d-logo img { width: 3.2rem; height: 3.2rem; border-radius: 0.4rem; }
.ui6d-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.ui6d-btn-register, .ui6d-btn-login {
  padding: 0.5rem 1.2rem; border-radius: var(--ui6d-radius);
  font-size: 1.2rem; font-weight: 600; border: none; cursor: pointer;
  transition: all 0.2s; display: inline-flex; align-items: center; gap: 0.4rem;
}
.ui6d-btn-register {
  background: var(--ui6d-primary); color: var(--ui6d-bg-dark);
}
.ui6d-btn-register:hover { background: var(--ui6d-primary-light); transform: scale(1.03); }
.ui6d-btn-login {
  background: transparent; color: var(--ui6d-primary);
  border: 1px solid var(--ui6d-primary);
}
.ui6d-btn-login:hover { background: rgba(77,182,172,0.15); }

/* Menu Toggle */
.ui6d-menu-toggle {
  background: none; border: none; color: var(--ui6d-text);
  font-size: 2.2rem; cursor: pointer; padding: 0.4rem;
  display: flex; align-items: center;
}

/* Mobile Menu */
.ui6d-mobile-menu {
  display: none; position: fixed; top: 5.6rem; left: 50%;
  transform: translateX(-50%); width: 100%; max-width: 430px;
  background: var(--ui6d-bg-dark); border-bottom: 2px solid var(--ui6d-primary);
  z-index: 9999; padding: 0.5rem 0;
  animation: ui6d-slideDown 0.25s ease;
}
@keyframes ui6d-slideDown {
  from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.ui6d-mobile-menu a {
  display: block; padding: 1.1rem 1.6rem; color: var(--ui6d-text);
  font-size: 1.4rem; border-bottom: 1px solid rgba(58,85,104,0.4);
  transition: background 0.2s;
}
.ui6d-mobile-menu a:hover { background: rgba(77,182,172,0.12); color: var(--ui6d-primary); }

/* Carousel */
.ui6d-carousel { position: relative; width: 100%; overflow: hidden; border-radius: var(--ui6d-radius-lg); margin-bottom: 1.5rem; }
.ui6d-slide { display: none; cursor: pointer; }
.ui6d-slide img { width: 100%; height: auto; min-height: 16rem; object-fit: cover; border-radius: var(--ui6d-radius-lg); }
.ui6d-dots { display: flex; justify-content: center; gap: 0.6rem; margin-top: 0.8rem; }
.ui6d-dot {
  width: 1rem; height: 1rem; border-radius: 50%;
  background: var(--ui6d-border); cursor: pointer; border: none; transition: all 0.2s;
}
.ui6d-dot-active { background: var(--ui6d-primary); transform: scale(1.2); }

/* Section */
.ui6d-section { margin-bottom: 2rem; }
.ui6d-section-title {
  font-size: 1.8rem; font-weight: 700; margin-bottom: 1rem;
  padding-bottom: 0.6rem; border-bottom: 2px solid var(--ui6d-primary);
  color: var(--ui6d-text);
}
.ui6d-section-title i { margin-right: 0.5rem; color: var(--ui6d-primary); }

/* Game Grid */
.ui6d-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem; }
.ui6d-game-card {
  background: var(--ui6d-bg-card); border-radius: var(--ui6d-radius);
  overflow: hidden; cursor: pointer; transition: all 0.2s; text-align: center;
  border: 1px solid transparent;
}
.ui6d-game-card:hover { border-color: var(--ui6d-primary); transform: translateY(-2px); box-shadow: var(--ui6d-shadow); }
.ui6d-game-card img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.ui6d-game-card span {
  display: block; padding: 0.4rem 0.2rem; font-size: 1.1rem;
  color: var(--ui6d-text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Category Label */
.ui6d-cat-label {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 1.5rem; font-weight: 600; color: var(--ui6d-primary);
  margin: 1.8rem 0 1rem; padding-left: 0.4rem;
  border-left: 3px solid var(--ui6d-primary);
}
.ui6d-cat-label i { font-size: 1.6rem; }

/* Content Text */
.ui6d-content p { margin-bottom: 1rem; line-height: 1.7; color: var(--ui6d-text-muted); }
.ui6d-content h2 { font-size: 1.7rem; margin: 1.5rem 0 0.8rem; color: var(--ui6d-text); }
.ui6d-content h3 { font-size: 1.5rem; margin: 1.2rem 0 0.6rem; color: var(--ui6d-primary-light); }
.ui6d-content ul { padding-left: 1.6rem; margin-bottom: 1rem; }
.ui6d-content ul li { margin-bottom: 0.4rem; color: var(--ui6d-text-muted); list-style: disc; }
.ui6d-content strong { color: var(--ui6d-primary); }

/* Promo Link */
.ui6d-promo-link {
  display: inline-block; color: var(--ui6d-primary);
  font-weight: 600; cursor: pointer; transition: color 0.2s;
}
.ui6d-promo-link:hover { color: var(--ui6d-accent); text-decoration: underline; }

/* Buttons */
.ui6d-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.8rem 2rem; border-radius: var(--ui6d-radius);
  font-size: 1.4rem; font-weight: 600; cursor: pointer;
  transition: all 0.2s; border: none; gap: 0.5rem;
}
.ui6d-btn-primary {
  background: linear-gradient(135deg, var(--ui6d-primary), var(--ui6d-primary-dark));
  color: var(--ui6d-bg-dark);
}
.ui6d-btn-primary:hover { transform: scale(1.03); box-shadow: 0 4px 12px rgba(77,182,172,0.4); }
.ui6d-btn-accent {
  background: linear-gradient(135deg, var(--ui6d-accent), #FFB300);
  color: var(--ui6d-bg-dark);
}
.ui6d-btn-accent:hover { transform: scale(1.03); }
.ui6d-btn-outline {
  background: transparent; color: var(--ui6d-primary);
  border: 1px solid var(--ui6d-primary);
}
.ui6d-btn-outline:hover { background: rgba(77,182,172,0.12); }

/* Card */
.ui6d-card {
  background: var(--ui6d-bg-card); border-radius: var(--ui6d-radius-lg);
  padding: 1.2rem; margin-bottom: 1rem; border: 1px solid var(--ui6d-border);
}
.ui6d-card-title { font-size: 1.4rem; font-weight: 600; margin-bottom: 0.6rem; color: var(--ui6d-primary); }

/* FAQ */
.ui6d-faq-item { margin-bottom: 1rem; }
.ui6d-faq-q {
  font-size: 1.3rem; font-weight: 600; color: var(--ui6d-primary-light);
  margin-bottom: 0.4rem; display: flex; align-items: flex-start; gap: 0.4rem;
}
.ui6d-faq-a { font-size: 1.3rem; color: var(--ui6d-text-muted); line-height: 1.6; padding-left: 1.6rem; }

/* Feature Grid */
.ui6d-feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
.ui6d-feature-item {
  background: var(--ui6d-bg-card); border-radius: var(--ui6d-radius);
  padding: 1rem; text-align: center; border: 1px solid var(--ui6d-border);
}
.ui6d-feature-item i { font-size: 2.4rem; color: var(--ui6d-primary); margin-bottom: 0.5rem; display: block; }
.ui6d-feature-item h4 { font-size: 1.2rem; color: var(--ui6d-text); margin-bottom: 0.3rem; }
.ui6d-feature-item p { font-size: 1.1rem; color: var(--ui6d-text-muted); }

/* Winner List */
.ui6d-winner-list { display: flex; flex-direction: column; gap: 0.6rem; }
.ui6d-winner-item {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--ui6d-bg-card); border-radius: var(--ui6d-radius);
  padding: 0.8rem 1rem; border: 1px solid var(--ui6d-border);
}
.ui6d-winner-name { font-size: 1.2rem; color: var(--ui6d-text); }
.ui6d-winner-amount { font-size: 1.2rem; font-weight: 700; color: var(--ui6d-accent); }

/* Payment Methods */
.ui6d-payment-grid { display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; }
.ui6d-payment-item {
  background: var(--ui6d-bg-card); border-radius: var(--ui6d-radius);
  padding: 0.6rem 1.2rem; border: 1px solid var(--ui6d-border);
  font-size: 1.2rem; color: var(--ui6d-text-muted); display: flex; align-items: center; gap: 0.4rem;
}

/* Testimonials */
.ui6d-testimonial {
  background: var(--ui6d-bg-card); border-radius: var(--ui6d-radius-lg);
  padding: 1rem 1.2rem; margin-bottom: 0.8rem; border-left: 3px solid var(--ui6d-primary);
}
.ui6d-testimonial-text { font-size: 1.2rem; color: var(--ui6d-text-muted); line-height: 1.6; font-style: italic; }
.ui6d-testimonial-author { font-size: 1.1rem; color: var(--ui6d-primary); margin-top: 0.4rem; font-weight: 600; }

/* Footer */
.ui6d-footer {
  background: var(--ui6d-bg-dark); padding: 2rem 1rem 3rem;
  border-top: 1px solid var(--ui6d-border); text-align: center;
}
.ui6d-footer-brand { font-size: 1.3rem; color: var(--ui6d-text-muted); line-height: 1.6; margin-bottom: 1.2rem; }
.ui6d-footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; margin-bottom: 1.2rem; }
.ui6d-footer-links a {
  padding: 0.4rem 0.8rem; background: var(--ui6d-bg-card); border-radius: var(--ui6d-radius);
  font-size: 1.1rem; color: var(--ui6d-text-muted); border: 1px solid var(--ui6d-border);
  transition: all 0.2s;
}
.ui6d-footer-links a:hover { color: var(--ui6d-primary); border-color: var(--ui6d-primary); }
.ui6d-footer-copy { font-size: 1.1rem; color: var(--ui6d-text-dark); margin-top: 1rem; }
.ui6d-footer-nav-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem; margin: 1rem 0; }
.ui6d-footer-nav-links a { font-size: 1.1rem; color: var(--ui6d-text-muted); }
.ui6d-footer-nav-links a:hover { color: var(--ui6d-primary); }

/* Bottom Navigation */
.ui6d-bnav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px; height: 6rem;
  background: linear-gradient(180deg, var(--ui6d-bg-dark), #0f1922);
  border-top: 1px solid var(--ui6d-primary);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000; padding: 0 0.4rem;
}
.ui6d-bnav-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 5.8rem; min-height: 5rem; background: none; border: none;
  color: var(--ui6d-text-muted); cursor: pointer; transition: all 0.2s;
  border-radius: var(--ui6d-radius); padding: 0.3rem 0;
}
.ui6d-bnav-btn i, .ui6d-bnav-btn .material-icons, .ui6d-bnav-btn ion-icon {
  font-size: 2.4rem; margin-bottom: 0.2rem; transition: all 0.2s;
}
.ui6d-bnav-btn span { font-size: 1rem; font-weight: 500; }
.ui6d-bnav-btn:hover, .ui6d-bnav-active {
  color: var(--ui6d-primary);
}
.ui6d-bnav-btn:hover i, .ui6d-bnav-active i,
.ui6d-bnav-btn:hover .material-icons, .ui6d-bnav-active .material-icons,
.ui6d-bnav-btn:hover ion-icon, .ui6d-bnav-active ion-icon {
  transform: scale(1.15); color: var(--ui6d-primary);
}
.ui6d-bnav-active::after {
  content: ''; position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
  width: 2.4rem; height: 2px; background: var(--ui6d-primary); border-radius: 1px;
}

/* Play Now Banner */
.ui6d-play-banner {
  background: linear-gradient(135deg, var(--ui6d-primary), #2e8b80);
  border-radius: var(--ui6d-radius-lg); padding: 1.4rem; text-align: center;
  margin-bottom: 1.5rem;
}
.ui6d-play-banner h3 { font-size: 1.6rem; color: var(--ui6d-bg-dark); margin-bottom: 0.6rem; }
.ui6d-play-banner p { font-size: 1.2rem; color: rgba(39,55,70,0.8); margin-bottom: 0.8rem; }

/* App Download CTA */
.ui6d-app-cta {
  background: var(--ui6d-bg-card); border-radius: var(--ui6d-radius-lg);
  padding: 1.4rem; text-align: center; border: 1px solid var(--ui6d-primary);
  margin-bottom: 1.5rem;
}
.ui6d-app-cta h3 { font-size: 1.5rem; color: var(--ui6d-primary); margin-bottom: 0.6rem; }
.ui6d-app-cta p { font-size: 1.2rem; color: var(--ui6d-text-muted); margin-bottom: 1rem; }

/* RTP Bar */
.ui6d-rtp-bar {
  background: var(--ui6d-bg-card); border-radius: var(--ui6d-radius);
  padding: 0.8rem 1rem; margin-bottom: 0.6rem; border: 1px solid var(--ui6d-border);
}
.ui6d-rtp-label { font-size: 1.2rem; color: var(--ui6d-text-muted); display: flex; justify-content: space-between; }
.ui6d-rtp-value { font-weight: 700; color: var(--ui6d-accent); }
.ui6d-rtp-track { height: 0.6rem; background: var(--ui6d-bg-dark); border-radius: 3px; margin-top: 0.4rem; overflow: hidden; }
.ui6d-rtp-fill { height: 100%; background: linear-gradient(90deg, var(--ui6d-primary), var(--ui6d-accent)); border-radius: 3px; }

/* Responsive */
@media (max-width: 768px) {
  .ui6d-main { padding-bottom: 8rem; }
}
@media (min-width: 769px) {
  .ui6d-bnav { display: none; }
}