/**
 * tkok.click - Layout Stylesheet
 * Class prefix: ui0f-
 * Color palette: #495057 | #BF360C | #FFBF00 | #FFCC02 | #0A0A0A
 * Mobile-first design, max-width 430px
 */

/* CSS Variables */
:root {
  --ui0f-primary: #FFBF00;
  --ui0f-secondary: #BF360C;
  --ui0f-accent: #FFCC02;
  --ui0f-bg-dark: #0A0A0A;
  --ui0f-bg-card: #1a1a1a;
  --ui0f-bg-section: #111111;
  --ui0f-text-light: #f0f0f0;
  --ui0f-text-muted: #a0a0a0;
  --ui0f-gray: #495057;
  --ui0f-border: #2a2a2a;
  --ui0f-radius: 0.8rem;
  --ui0f-radius-sm: 0.5rem;
  --ui0f-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--ui0f-bg-dark);
  color: var(--ui0f-text-light);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ui0f-primary); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* Header */
.ui0f-header {
  position: fixed; top: 0; left: 0; right: 0;
  max-width: 430px; margin: 0 auto;
  height: 5.2rem;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.2rem;
  z-index: 1000;
  border-bottom: 1px solid var(--ui0f-border);
  transition: box-shadow 0.3s;
}
.ui0f-header-scrolled { box-shadow: 0 2px 16px rgba(0,0,0,0.6); }
.ui0f-header-left { display: flex; align-items: center; gap: 0.8rem; }
.ui0f-header-logo { width: 3rem; height: 3rem; border-radius: 0.5rem; }
.ui0f-header-name { font-size: 1.8rem; font-weight: 700; color: var(--ui0f-primary); letter-spacing: -0.02em; }
.ui0f-header-right { display: flex; align-items: center; gap: 0.8rem; }
.ui0f-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.6rem 1.4rem;
  border-radius: var(--ui0f-radius-sm);
  font-size: 1.3rem; font-weight: 600;
  cursor: pointer; border: none;
  transition: all 0.2s ease;
  touch-action: manipulation;
  min-height: 3.6rem;
}
.ui0f-btn:active { transform: scale(0.95); }
.ui0f-btn-register {
  background: var(--ui0f-primary);
  color: var(--ui0f-bg-dark);
}
.ui0f-btn-register:hover { background: var(--ui0f-accent); }
.ui0f-btn-login {
  background: transparent;
  color: var(--ui0f-primary);
  border: 1.5px solid var(--ui0f-primary);
}
.ui0f-btn-login:hover { background: rgba(255,191,0,0.1); }
.ui0f-menu-btn {
  width: 3.6rem; height: 3.6rem;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0.4rem;
  background: none; border: none; cursor: pointer;
  padding: 0.4rem;
}
.ui0f-menu-btn span {
  display: block; width: 2rem; height: 0.2rem;
  background: var(--ui0f-text-light);
  border-radius: 0.1rem;
  transition: all 0.3s;
}

/* Mobile Menu Overlay */
.ui0f-menu-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
  opacity: 0; visibility: hidden;
  transition: all 0.3s;
}
.ui0f-overlay-active { opacity: 1; visibility: visible; }

/* Mobile Menu Panel */
.ui0f-mobile-menu {
  position: fixed; top: 0; right: -280px;
  width: 280px; height: 100vh;
  background: var(--ui0f-bg-card);
  z-index: 9999;
  transition: right 0.3s ease;
  overflow-y: auto;
  padding: 2rem 0;
}
.ui0f-menu-active { right: 0; }
.ui0f-menu-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 3.6rem; height: 3.6rem;
  background: none; border: none;
  color: var(--ui0f-text-light);
  font-size: 2rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.ui0f-menu-list { padding: 1rem 0; }
.ui0f-menu-item {
  display: block; padding: 1.2rem 2rem;
  color: var(--ui0f-text-light);
  font-size: 1.4rem;
  border-bottom: 1px solid var(--ui0f-border);
  transition: background 0.2s;
}
.ui0f-menu-item:hover { background: rgba(255,191,0,0.08); }

/* Main Content */
.ui0f-main { padding-top: 5.2rem; }
@media (max-width: 768px) {
  .ui0f-main { padding-bottom: 7rem; }
}

/* Carousel */
.ui0f-carousel {
  position: relative; overflow: hidden;
  border-radius: 0;
}
.ui0f-carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}
.ui0f-carousel-slide {
  min-width: 100%; cursor: pointer;
}
.ui0f-carousel-slide img {
  width: 100%; height: auto;
  aspect-ratio: 16/9; object-fit: cover;
}
.ui0f-carousel-dots {
  position: absolute; bottom: 1rem;
  left: 50%; transform: translateX(-50%);
  display: flex; gap: 0.6rem;
}
.ui0f-carousel-dot {
  width: 0.8rem; height: 0.8rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none; cursor: pointer;
  transition: all 0.3s;
}
.ui0f-dot-active { background: var(--ui0f-primary); transform: scale(1.2); }

/* Container */
.ui0f-container { padding: 0 1.2rem; }
.ui0f-section {
  padding: 2rem 1.2rem;
}
.ui0f-section-alt { background: var(--ui0f-bg-section); }

/* Section Titles */
.ui0f-section-title {
  font-size: 1.8rem; font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--ui0f-primary);
  position: relative;
  padding-left: 1rem;
}
.ui0f-section-title::before {
  content: '';
  position: absolute; left: 0; top: 0.2rem;
  width: 0.4rem; height: 1.6rem;
  background: var(--ui0f-secondary);
  border-radius: 0.2rem;
}

/* Game Grid */
.ui0f-cat-title {
  font-size: 1.5rem; font-weight: 600;
  margin: 1.6rem 0 1rem;
  color: var(--ui0f-accent);
  display: flex; align-items: center; gap: 0.6rem;
}
.ui0f-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}
.ui0f-game-item {
  text-align: center; cursor: pointer;
  transition: transform 0.2s;
}
.ui0f-game-item:active { transform: scale(0.93); }
.ui0f-game-img {
  width: 100%; aspect-ratio: 1;
  border-radius: var(--ui0f-radius-sm);
  object-fit: cover;
  border: 2px solid var(--ui0f-border);
  transition: border-color 0.2s;
}
.ui0f-game-item:hover .ui0f-game-img { border-color: var(--ui0f-primary); }
.ui0f-game-name {
  font-size: 1.1rem;
  margin-top: 0.4rem;
  color: var(--ui0f-text-light);
  line-height: 1.3rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Card Component */
.ui0f-card {
  background: var(--ui0f-bg-card);
  border-radius: var(--ui0f-radius);
  padding: 1.6rem;
  margin-bottom: 1.2rem;
  border: 1px solid var(--ui0f-border);
}

/* Promo Banner */
.ui0f-promo-banner {
  background: linear-gradient(135deg, var(--ui0f-secondary) 0%, #D84315 100%);
  border-radius: var(--ui0f-radius);
  padding: 2rem 1.6rem;
  text-align: center;
  margin: 1.6rem 0;
  cursor: pointer;
  transition: transform 0.2s;
}
.ui0f-promo-banner:active { transform: scale(0.97); }
.ui0f-promo-banner h3 {
  font-size: 1.8rem; color: #fff;
  margin-bottom: 0.6rem;
}
.ui0f-promo-banner p {
  font-size: 1.3rem; color: rgba(255,255,255,0.85);
  margin-bottom: 1.2rem;
}
.ui0f-promo-btn {
  display: inline-block;
  background: var(--ui0f-primary);
  color: var(--ui0f-bg-dark);
  padding: 0.8rem 2.4rem;
  border-radius: var(--ui0f-radius-sm);
  font-size: 1.4rem; font-weight: 700;
}

/* Features Grid */
.ui0f-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.ui0f-feature-item {
  background: var(--ui0f-bg-card);
  border-radius: var(--ui0f-radius-sm);
  padding: 1.4rem;
  text-align: center;
  border: 1px solid var(--ui0f-border);
}
.ui0f-feature-icon {
  font-size: 2.4rem;
  margin-bottom: 0.6rem;
  color: var(--ui0f-primary);
}
.ui0f-feature-title {
  font-size: 1.3rem; font-weight: 600;
  margin-bottom: 0.3rem;
}
.ui0f-feature-desc {
  font-size: 1.1rem;
  color: var(--ui0f-text-muted);
  line-height: 1.4rem;
}

/* Winners Table */
.ui0f-winners-list { display: flex; flex-direction: column; gap: 0.6rem; }
.ui0f-winner-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.8rem 1rem;
  background: var(--ui0f-bg-card);
  border-radius: var(--ui0f-radius-sm);
  font-size: 1.2rem;
}
.ui0f-winner-name { color: var(--ui0f-primary); font-weight: 600; }
.ui0f-winner-amount { color: #4CAF50; font-weight: 700; }

/* Payment Methods */
.ui0f-payment-grid {
  display: flex; gap: 1rem; flex-wrap: wrap;
  justify-content: center;
  padding: 1rem 0;
}
.ui0f-payment-item {
  background: var(--ui0f-bg-card);
  border-radius: var(--ui0f-radius-sm);
  padding: 1rem 1.6rem;
  border: 1px solid var(--ui0f-border);
  text-align: center;
  font-size: 1.3rem; font-weight: 600;
  color: var(--ui0f-primary);
}

/* App Download CTA */
.ui0f-app-cta {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  border-radius: var(--ui0f-radius);
  padding: 2rem 1.6rem;
  text-align: center;
  border: 1px solid var(--ui0f-primary);
}
.ui0f-app-cta h3 {
  font-size: 1.6rem; color: var(--ui0f-primary);
  margin-bottom: 0.8rem;
}
.ui0f-app-cta p {
  font-size: 1.2rem; color: var(--ui0f-text-muted);
  margin-bottom: 1.2rem;
  line-height: 1.6rem;
}
.ui0f-app-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.ui0f-app-btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--ui0f-radius-sm);
  font-size: 1.3rem; font-weight: 600;
  cursor: pointer; border: none;
  transition: transform 0.2s;
}
.ui0f-app-btn:active { transform: scale(0.95); }
.ui0f-app-btn-android {
  background: var(--ui0f-primary);
  color: var(--ui0f-bg-dark);
}
.ui0f-app-btn-ios {
  background: #fff;
  color: var(--ui0f-bg-dark);
}

/* Testimonials */
.ui0f-testimonials { display: flex; flex-direction: column; gap: 1rem; }
.ui0f-testimonial {
  background: var(--ui0f-bg-card);
  border-radius: var(--ui0f-radius-sm);
  padding: 1.2rem;
  border-left: 3px solid var(--ui0f-primary);
}
.ui0f-testimonial-text {
  font-size: 1.2rem; color: var(--ui0f-text-light);
  line-height: 1.6rem;
  margin-bottom: 0.6rem;
  font-style: italic;
}
.ui0f-testimonial-author {
  font-size: 1.1rem; color: var(--ui0f-primary);
  font-weight: 600;
}

/* FAQ Accordion */
.ui0f-faq-item {
  background: var(--ui0f-bg-card);
  border-radius: var(--ui0f-radius-sm);
  margin-bottom: 0.8rem;
  overflow: hidden;
  border: 1px solid var(--ui0f-border);
}
.ui0f-faq-q {
  padding: 1.2rem;
  font-weight: 600;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.ui0f-faq-a {
  padding: 0 1.2rem 1.2rem;
  font-size: 1.2rem;
  color: var(--ui0f-text-muted);
  line-height: 1.6rem;
}

/* Footer */
.ui0f-footer {
  background: var(--ui0f-bg-section);
  padding: 2rem 1.2rem 3rem;
  border-top: 1px solid var(--ui0f-border);
}
.ui0f-footer-brand {
  font-size: 1.2rem; color: var(--ui0f-text-muted);
  line-height: 1.6rem;
  margin-bottom: 1.6rem;
}
.ui0f-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.8rem;
  margin-bottom: 1.6rem;
}
.ui0f-footer-link {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--ui0f-bg-card);
  border-radius: var(--ui0f-radius-sm);
  font-size: 1.2rem;
  color: var(--ui0f-text-light);
  border: 1px solid var(--ui0f-border);
  transition: all 0.2s;
}
.ui0f-footer-link:hover { border-color: var(--ui0f-primary); color: var(--ui0f-primary); }
.ui0f-footer-copy {
  font-size: 1.1rem;
  color: var(--ui0f-text-muted);
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--ui0f-border);
}

/* Bottom Navigation */
.ui0f-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  max-width: 430px; margin: 0 auto;
  height: 6rem;
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(10px);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000;
  border-top: 1px solid var(--ui0f-border);
  padding: 0 0.4rem;
}
.ui0f-bottom-btn {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  min-width: 6rem; min-height: 5rem;
  background: none; border: none;
  color: var(--ui0f-text-muted);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  padding: 0.4rem;
}
.ui0f-bottom-btn:active { transform: scale(0.9); }
.ui0f-bottom-btn .ui0f-bnav-icon {
  font-size: 2.2rem;
  margin-bottom: 0.2rem;
  transition: color 0.2s;
}
.ui0f-bottom-btn .ui0f-bnav-text {
  font-size: 1rem;
  font-weight: 500;
}
.ui0f-bottom-btn:hover,
.ui0f-bottom-active {
  color: var(--ui0f-primary);
}
.ui0f-bottom-active .ui0f-bnav-icon {
  color: var(--ui0f-primary);
  transform: scale(1.1);
}

/* Back to Top */
.ui0f-back-top {
  position: fixed; bottom: 7rem; right: 1.2rem;
  width: 4rem; height: 4rem;
  background: var(--ui0f-secondary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0; visibility: hidden;
  transition: all 0.3s;
  border: none;
  box-shadow: var(--ui0f-shadow);
}
.ui0f-back-top-visible { opacity: 1; visibility: visible; }
.ui0f-back-top:active { transform: scale(0.9); }

/* Promo Text Link */
.ui0f-promo-link {
  color: var(--ui0f-primary);
  font-weight: 700;
  cursor: pointer;
  border-bottom: 1px dashed var(--ui0f-primary);
  transition: color 0.2s;
}
.ui0f-promo-link:hover { color: var(--ui0f-accent); }

/* Text Helpers */
.ui0f-text-center { text-align: center; }
.ui0f-text-sm { font-size: 1.2rem; }
.ui0f-text-muted { color: var(--ui0f-text-muted); }
.ui0f-mb-1 { margin-bottom: 1rem; }
.ui0f-mb-2 { margin-bottom: 2rem; }
.ui0f-mt-1 { margin-top: 1rem; }
.ui0f-highlight { color: var(--ui0f-primary); font-weight: 600; }

/* Responsive: Hide bottom nav on desktop */
@media (min-width: 769px) {
  .ui0f-bottom-nav { display: none; }
  .ui0f-main { padding-bottom: 0; }
}

/* Desktop adjustments */
@media (min-width: 431px) {
  body { border-left: 1px solid var(--ui0f-border); border-right: 1px solid var(--ui0f-border); }
}

/* Safe area for notch devices */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .ui0f-bottom-nav { padding-bottom: env(safe-area-inset-bottom); height: auto; min-height: 6rem; }
}