/*
 * Core CSS for 299 BDT Website
 * Class prefix: ui59-
 * Color palette: #FFB3FF | #273746 | #ECF0F1 | #FFFFFF | #4A4A4A | #FF8A80
 * Root font: 62.5% for rem-based sizing
 */

/* CSS Variables */
:root {
  --ui59-primary: #FFB3FF;
  --ui59-bg-dark: #273746;
  --ui59-bg-light: #ECF0F1;
  --ui59-white: #FFFFFF;
  --ui59-text-dark: #4A4A4A;
  --ui59-accent: #FF8A80;
  --ui59-gradient-start: #273746;
  --ui59-gradient-end: #1a252f;
  --ui59-card-bg: #2c3e50;
  --ui59-border: #34495e;
  --ui59-shadow: rgba(0,0,0,0.3);
  --ui59-gold: #FFD700;
  --ui59-radius: 8px;
  --ui59-radius-lg: 12px;
  --ui59-transition: all 0.3s ease;
}

/* 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(--ui59-bg-dark);
  color: var(--ui59-white);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}
a { text-decoration: none; color: var(--ui59-primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* Container */
.ui59-container { width: 100%; padding: 0 1.2rem; }
.ui59-wrapper { max-width: 430px; margin: 0 auto; }
.ui59-main { padding-top: 5.6rem; padding-bottom: 2rem; }

/* Header */
.ui59-header {
  position: fixed; top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px;
  background: var(--ui59-gradient-start);
  border-bottom: 1px solid var(--ui59-border);
  z-index: 1000; height: 5.6rem;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.2rem;
  box-shadow: 0 2px 8px var(--ui59-shadow);
}
.ui59-header-logo {
  display: flex; align-items: center; gap: 0.6rem; cursor: pointer;
}
.ui59-header-logo img { width: 2.8rem; height: 2.8rem; border-radius: 0.4rem; }
.ui59-header-logo span {
  font-size: 1.6rem; font-weight: 700; color: var(--ui59-primary);
  white-space: nowrap;
}
.ui59-header-actions { display: flex; gap: 0.6rem; align-items: center; }
.ui59-header-menu-btn {
  background: none; border: none; color: var(--ui59-primary);
  font-size: 2.2rem; cursor: pointer; padding: 0.4rem;
  display: flex; align-items: center;
}

/* Buttons */
.ui59-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7rem 1.4rem; border-radius: var(--ui59-radius);
  font-size: 1.2rem; font-weight: 600; cursor: pointer;
  border: none; transition: var(--ui59-transition);
  text-align: center; min-height: 3.6rem;
}
.ui59-btn-register {
  background: var(--ui59-accent); color: var(--ui59-white);
  box-shadow: 0 2px 6px rgba(255,138,128,0.4);
}
.ui59-btn-register:hover { background: #ff7043; transform: scale(1.03); }
.ui59-btn-login {
  background: transparent; color: var(--ui59-primary);
  border: 1.5px solid var(--ui59-primary);
}
.ui59-btn-login:hover { background: rgba(255,179,255,0.15); }
.ui59-btn-promo {
  background: linear-gradient(135deg, var(--ui59-accent), var(--ui59-primary));
  color: var(--ui59-bg-dark); font-weight: 700; width: 100%;
  padding: 1.2rem; border-radius: var(--ui59-radius-lg); font-size: 1.4rem;
}
.ui59-btn-promo:hover { transform: scale(1.02); box-shadow: 0 4px 12px rgba(255,138,128,0.5); }
.ui59-btn-sm {
  padding: 0.5rem 1rem; font-size: 1.1rem; min-height: 2.8rem;
}

/* Mobile Menu */
.ui59-menu-overlay {
  display: none; position: fixed; top: 0; left: 0;
  width: 100%; height: 100%; background: rgba(0,0,0,0.6);
  z-index: 9998;
}
.ui59-mobile-menu {
  position: fixed; top: 0; left: 0;
  width: 75%; max-width: 300px; height: 100%;
  background: var(--ui59-gradient-end);
  z-index: 9999; transform: translateX(-100%);
  transition: transform 0.3s ease;
  padding-top: 6rem; overflow-y: auto;
}
.ui59-mobile-menu a {
  display: block; padding: 1.2rem 2rem; color: var(--ui59-white);
  font-size: 1.4rem; border-bottom: 1px solid var(--ui59-border);
  transition: var(--ui59-transition);
}
.ui59-mobile-menu a:hover { background: rgba(255,179,255,0.1); color: var(--ui59-primary); }

/* Slider */
.ui59-slider {
  position: relative; width: 100%; overflow: hidden;
  border-radius: 0 0 var(--ui59-radius-lg) var(--ui59-radius-lg);
  aspect-ratio: 16/9;
}
.ui59-slide {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0; display: none; transition: opacity 0.5s ease;
  cursor: pointer;
}
.ui59-slide img { width: 100%; height: 100%; object-fit: cover; }
.ui59-slider-dots {
  position: absolute; bottom: 1rem; left: 50%;
  transform: translateX(-50%); display: flex; gap: 0.6rem; z-index: 5;
}
.ui59-slider-dot {
  width: 0.8rem; height: 0.8rem; border-radius: 50%;
  background: rgba(255,255,255,0.4); cursor: pointer;
  transition: var(--ui59-transition);
}
.ui59-dot-active { background: var(--ui59-primary); transform: scale(1.3); }

/* Cards */
.ui59-card {
  background: var(--ui59-card-bg); border-radius: var(--ui59-radius);
  padding: 1.4rem; margin-bottom: 1.2rem;
  border: 1px solid var(--ui59-border);
}
.ui59-card-title {
  font-size: 1.6rem; font-weight: 700; color: var(--ui59-primary);
  margin-bottom: 1rem; padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--ui59-accent);
}
.ui59-card-text { font-size: 1.3rem; color: var(--ui59-bg-light); line-height: 1.7; }

/* Grid */
.ui59-grid {
  display: grid; gap: 0.8rem;
}
.ui59-grid-2 { grid-template-columns: repeat(2, 1fr); }
.ui59-grid-3 { grid-template-columns: repeat(3, 1fr); }
.ui59-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Game Items */
.ui59-game-item {
  display: flex; flex-direction: column; align-items: center;
  cursor: pointer; transition: var(--ui59-transition);
  padding: 0.6rem; border-radius: var(--ui59-radius);
}
.ui59-game-item:hover { transform: translateY(-2px); background: rgba(255,179,255,0.08); }
.ui59-game-item img {
  width: 100%; aspect-ratio: 1; border-radius: var(--ui59-radius);
  object-fit: cover; margin-bottom: 0.4rem;
  border: 2px solid var(--ui59-border);
}
.ui59-game-item span {
  font-size: 1rem; color: var(--ui59-bg-light); text-align: center;
  line-height: 1.3; overflow: hidden; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}

/* Section */
.ui59-section {
  padding: 1.6rem 0;
}
.ui59-section-title {
  font-size: 1.8rem; font-weight: 700; color: var(--ui59-primary);
  margin-bottom: 1.2rem; padding-left: 1rem;
  border-left: 3px solid var(--ui59-accent);
}
.ui59-section-subtitle {
  font-size: 1.4rem; color: var(--ui59-accent); margin-bottom: 0.8rem;
}

/* Category Tabs */
.ui59-category-label {
  font-size: 1.5rem; font-weight: 700; color: var(--ui59-primary);
  margin: 1.6rem 0 0.8rem; padding: 0.6rem 1rem;
  background: rgba(255,179,255,0.1); border-radius: var(--ui59-radius);
  display: flex; align-items: center; gap: 0.6rem;
}

/* Footer */
.ui59-footer {
  background: var(--ui59-gradient-end); padding: 2rem 1.2rem 1.2rem;
  border-top: 1px solid var(--ui59-border); margin-top: 2rem;
}
.ui59-footer-brand {
  font-size: 1.3rem; color: var(--ui59-bg-light); line-height: 1.6;
  margin-bottom: 1.4rem;
}
.ui59-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.4rem;
}
.ui59-footer-links a {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.6rem 1.2rem; background: var(--ui59-card-bg);
  border-radius: var(--ui59-radius); font-size: 1.1rem;
  color: var(--ui59-primary); border: 1px solid var(--ui59-border);
  transition: var(--ui59-transition);
}
.ui59-footer-links a:hover { background: var(--ui59-accent); color: var(--ui59-white); }
.ui59-footer-copyright {
  text-align: center; font-size: 1.1rem; color: #7f8c8d;
  padding-top: 1rem; border-top: 1px solid var(--ui59-border);
}

/* Bottom Navigation */
.ui59-bottom-nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px; height: 60px;
  background: var(--ui59-gradient-end);
  border-top: 1px solid var(--ui59-border);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000; box-shadow: 0 -2px 10px var(--ui59-shadow);
}
.ui59-bottom-nav-btn {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; min-width: 60px; min-height: 56px;
  background: none; border: none; cursor: pointer;
  color: #7f8c8d; transition: var(--ui59-transition);
  padding: 0.4rem;
}
.ui59-bottom-nav-btn .ui59-nav-icon { font-size: 2.2rem; margin-bottom: 0.2rem; }
.ui59-bottom-nav-btn .ui59-nav-label { font-size: 1rem; white-space: nowrap; }
.ui59-bottom-nav-btn:hover, .ui59-bottom-nav-btn.ui59-nav-active {
  color: var(--ui59-primary);
}
.ui59-bottom-nav-btn:active { transform: scale(0.92); }
.ui59-nav-active .ui59-nav-icon {
  text-shadow: 0 0 8px rgba(255,179,255,0.5);
}

/* Promo Text Link */
.ui59-link-promo {
  color: var(--ui59-accent); font-weight: 600; cursor: pointer;
  transition: var(--ui59-transition);
}
.ui59-link-promo:hover { color: var(--ui59-primary); text-decoration: underline; }

/* FAQ */
.ui59-faq-item {
  padding: 1rem 0; border-bottom: 1px solid var(--ui59-border);
}
.ui59-faq-q {
  font-size: 1.3rem; font-weight: 600; color: var(--ui59-primary);
  margin-bottom: 0.4rem;
}
.ui59-faq-a { font-size: 1.2rem; color: var(--ui59-bg-light); line-height: 1.6; }

/* Testimonial */
.ui59-testimonial {
  background: var(--ui59-card-bg); border-radius: var(--ui59-radius);
  padding: 1.2rem; margin-bottom: 0.8rem;
  border-left: 3px solid var(--ui59-primary);
}
.ui59-testimonial-text { font-size: 1.2rem; color: var(--ui59-bg-light); font-style: italic; }
.ui59-testimonial-author { font-size: 1.1rem; color: var(--ui59-accent); margin-top: 0.4rem; }

/* Winner Badge */
.ui59-winner {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.8rem; background: var(--ui59-card-bg);
  border-radius: var(--ui59-radius); margin-bottom: 0.6rem;
}
.ui59-winner-avatar {
  width: 3.6rem; height: 3.6rem; border-radius: 50%;
  background: var(--ui59-accent); display: flex; align-items: center;
  justify-content: center; font-size: 1.4rem; font-weight: 700;
  color: var(--ui59-bg-dark);
}
.ui59-winner-info { flex: 1; }
.ui59-winner-name { font-size: 1.2rem; color: var(--ui59-primary); font-weight: 600; }
.ui59-winner-amount { font-size: 1.1rem; color: var(--ui59-gold); }
.ui59-winner-game { font-size: 1rem; color: #7f8c8d; }

/* Payment Methods */
.ui59-payment-grid {
  display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center;
}
.ui59-payment-item {
  padding: 0.8rem 1.4rem; background: var(--ui59-card-bg);
  border-radius: var(--ui59-radius); font-size: 1.2rem;
  color: var(--ui59-bg-light); border: 1px solid var(--ui59-border);
}

/* Responsive */
@media (min-width: 769px) {
  .ui59-bottom-nav { display: none; }
}
@media (max-width: 768px) {
  .ui59-main { padding-bottom: 8rem; }
}

/* Utility */
.ui59-text-center { text-align: center; }
.ui59-text-accent { color: var(--ui59-accent); }
.ui59-text-primary { color: var(--ui59-primary); }
.ui59-mb-1 { margin-bottom: 0.8rem; }
.ui59-mb-2 { margin-bottom: 1.6rem; }
.ui59-mt-1 { margin-top: 0.8rem; }
.ui59-mt-2 { margin-top: 1.6rem; }
.ui59-p-1 { padding: 0.8rem; }
.ui59-p-2 { padding: 1.6rem; }
.ui59-hidden { display: none; }
.ui59-divider {
  height: 1px; background: var(--ui59-border);
  margin: 1.6rem 0;
}