/**
 * BouncingBalls - Theme Stylesheet
 * CSS class prefix: ui37-
 * Color palette: #FFFACD (light/accent), #34495E (dark/bg)
 * Mobile-first responsive design
 */

/* CSS Variables */
:root {
  --ui37-primary: #FFFACD;
  --ui37-bg: #34495E;
  --ui37-bg-dark: #2C3E50;
  --ui37-bg-darker: #1A252F;
  --ui37-text: #FFFACD;
  --ui37-text-muted: #BDC3C7;
  --ui37-accent: #F39C12;
  --ui37-accent-hover: #E67E22;
  --ui37-success: #2ECC71;
  --ui37-danger: #E74C3C;
  --ui37-card-bg: #3D566E;
  --ui37-border: #4A6785;
  --ui37-gradient: linear-gradient(135deg, #34495E 0%, #2C3E50 100%);
  --ui37-radius: 1.2rem;
  --ui37-radius-sm: 0.8rem;
  --ui37-shadow: 0 4px 16px rgba(0,0,0,0.25);
  --ui37-header-h: 5.6rem;
  --ui37-bottom-nav-h: 6rem;
  --ui37-max-w: 430px;
  font-size: 62.5%;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--ui37-text);
  background: var(--ui37-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--ui37-accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--ui37-primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* Container */
.ui37-container {
  max-width: var(--ui37-max-w);
  margin: 0 auto;
  padding: 0 1.2rem;
}
.ui37-wrapper {
  max-width: var(--ui37-max-w);
  margin: 0 auto;
}

/* Header */
.ui37-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--ui37-bg-darker);
  border-bottom: 1px solid var(--ui37-border);
  height: var(--ui37-header-h);
}
.ui37-header-inner {
  max-width: var(--ui37-max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  height: 100%;
}
.ui37-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.ui37-logo img {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 0.6rem;
}
.ui37-logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ui37-primary);
  letter-spacing: -0.02em;
}
.ui37-header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.ui37-btn-register, .ui37-btn-login {
  padding: 0.6rem 1.6rem;
  border-radius: var(--ui37-radius-sm);
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.ui37-btn-register {
  background: var(--ui37-accent);
  color: var(--ui37-bg-darker);
}
.ui37-btn-register:hover { background: var(--ui37-accent-hover); transform: scale(1.03); }
.ui37-btn-login {
  background: transparent;
  color: var(--ui37-primary);
  border: 1.5px solid var(--ui37-primary);
}
.ui37-btn-login:hover { background: rgba(255,250,205,0.1); }
.ui37-menu-toggle {
  background: none;
  border: none;
  color: var(--ui37-primary);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.4rem;
  display: flex;
  align-items: center;
}

/* Mobile Menu */
.ui37-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;
}
.ui37-overlay-active { opacity: 1; visibility: visible; }
.ui37-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: var(--ui37-bg-darker);
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 2rem 1.6rem;
  overflow-y: auto;
}
.ui37-menu-active { right: 0; }
.ui37-mobile-menu .ui37-menu-close {
  background: none;
  border: none;
  color: var(--ui37-primary);
  font-size: 2.4rem;
  cursor: pointer;
  float: right;
  margin-bottom: 1.6rem;
}
.ui37-mobile-menu ul { clear: both; }
.ui37-mobile-menu li {
  border-bottom: 1px solid var(--ui37-border);
}
.ui37-mobile-menu a {
  display: block;
  padding: 1.4rem 0;
  color: var(--ui37-text-muted);
  font-size: 1.5rem;
  transition: color 0.2s;
}
.ui37-mobile-menu a:hover { color: var(--ui37-accent); }

/* Bottom Navigation */
.ui37-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--ui37-bg-darker);
  border-top: 1px solid var(--ui37-border);
  height: var(--ui37-bottom-nav-h);
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0 0.4rem;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.3);
}
.ui37-bottom-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 6rem;
  min-height: 5.4rem;
  background: none;
  border: none;
  color: var(--ui37-text-muted);
  cursor: pointer;
  transition: all 0.25s;
  padding: 0.4rem;
  border-radius: var(--ui37-radius-sm);
}
.ui37-bottom-nav-btn:hover, .ui37-bottom-nav-btn.ui37-nav-active {
  color: var(--ui37-accent);
  transform: scale(1.05);
}
.ui37-bottom-nav-btn .ui37-nav-icon { font-size: 2.4rem; line-height: 1; }
.ui37-bottom-nav-btn .ui37-nav-label { font-size: 1.05rem; margin-top: 0.2rem; font-weight: 500; }

/* Carousel */
.ui37-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--ui37-radius);
  margin-top: 1.2rem;
}
.ui37-carousel-slide {
  display: none;
  width: 100%;
  cursor: pointer;
}
.ui37-carousel-slide img { width: 100%; border-radius: var(--ui37-radius); }
.ui37-slide-active { display: block; }
.ui37-carousel-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.8rem;
}
.ui37-carousel-dot {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: rgba(255,250,205,0.4);
  cursor: pointer;
  border: none;
  transition: background 0.3s;
}
.ui37-dot-active { background: var(--ui37-accent); transform: scale(1.2); }

/* Sections */
.ui37-section {
  padding: 2rem 0;
}
.ui37-section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--ui37-primary);
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--ui37-accent);
  display: inline-block;
}
.ui37-section-subtitle {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ui37-primary);
  margin: 1.6rem 0 0.8rem;
}

/* Game Grid */
.ui37-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.ui37-game-card {
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s;
  background: var(--ui37-card-bg);
  border-radius: var(--ui37-radius-sm);
  padding: 0.8rem 0.4rem;
}
.ui37-game-card:hover { transform: translateY(-3px); box-shadow: var(--ui37-shadow); }
.ui37-game-card img {
  width: 5.4rem;
  height: 5.4rem;
  margin: 0 auto 0.4rem;
  border-radius: 0.8rem;
  object-fit: cover;
}
.ui37-game-card span {
  font-size: 1.1rem;
  color: var(--ui37-text-muted);
  display: block;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Cards */
.ui37-card {
  background: var(--ui37-card-bg);
  border-radius: var(--ui37-radius);
  padding: 1.6rem;
  margin-bottom: 1.2rem;
  border: 1px solid var(--ui37-border);
}

/* Buttons */
.ui37-btn {
  display: inline-block;
  padding: 1rem 2.4rem;
  border-radius: var(--ui37-radius-sm);
  font-size: 1.4rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-align: center;
}
.ui37-btn-primary {
  background: var(--ui37-accent);
  color: var(--ui37-bg-darker);
}
.ui37-btn-primary:hover { background: var(--ui37-accent-hover); transform: scale(1.03); }
.ui37-btn-outline {
  background: transparent;
  color: var(--ui37-primary);
  border: 1.5px solid var(--ui37-primary);
}
.ui37-btn-outline:hover { background: rgba(255,250,205,0.1); }
.ui37-btn-lg {
  padding: 1.4rem 3.2rem;
  font-size: 1.6rem;
}
.ui37-btn-block { display: block; width: 100%; }

/* Text Utilities */
.ui37-text-muted { color: var(--ui37-text-muted); }
.ui37-text-accent { color: var(--ui37-accent); }
.ui37-text-sm { font-size: 1.3rem; }
.ui37-text-center { text-align: center; }
.ui37-text-bold { font-weight: 700; }
.ui37-mb-1 { margin-bottom: 1rem; }
.ui37-mb-2 { margin-bottom: 2rem; }
.ui37-mt-1 { margin-top: 1rem; }
.ui37-mt-2 { margin-top: 2rem; }

/* Promo Link */
.ui37-promo-link {
  color: var(--ui37-accent);
  font-weight: 700;
  cursor: pointer;
  transition: color 0.2s;
}
.ui37-promo-link:hover { color: var(--ui37-primary); text-decoration: underline; }

/* Footer */
.ui37-footer {
  background: var(--ui37-bg-darker);
  padding: 2.4rem 0 10rem;
  border-top: 1px solid var(--ui37-border);
}
.ui37-footer-brand {
  font-size: 1.3rem;
  color: var(--ui37-text-muted);
  margin-bottom: 1.2rem;
  line-height: 1.6;
}
.ui37-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.6rem;
}
.ui37-footer-link {
  padding: 0.5rem 1.2rem;
  background: var(--ui37-card-bg);
  color: var(--ui37-text);
  border-radius: var(--ui37-radius-sm);
  font-size: 1.2rem;
  transition: background 0.2s;
}
.ui37-footer-link:hover { background: var(--ui37-accent); color: var(--ui37-bg-darker); }
.ui37-footer-copy {
  font-size: 1.2rem;
  color: var(--ui37-text-muted);
  text-align: center;
  margin-top: 1.6rem;
}
.ui37-partners {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.6rem;
}
.ui37-partners img {
  height: 2.4rem;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.ui37-partners img:hover { opacity: 1; }

/* Main content area */
main {
  padding-top: calc(var(--ui37-header-h) + 1rem);
}

/* Responsive - mobile bottom nav clearance */
@media (max-width: 768px) {
  main { padding-bottom: calc(var(--ui37-bottom-nav-h) + 1.6rem); }
}
/* Hide bottom nav on desktop */
@media (min-width: 769px) {
  .ui37-bottom-nav { display: none; }
}

/* Badge */
.ui37-badge {
  display: inline-block;
  padding: 0.2rem 0.8rem;
  border-radius: 2rem;
  font-size: 1rem;
  font-weight: 600;
}
.ui37-badge-hot {
  background: var(--ui37-danger);
  color: #fff;
}
.ui37-badge-new {
  background: var(--ui37-success);
  color: #fff;
}

/* Testimonial */
.ui37-testimonial {
  background: var(--ui37-card-bg);
  border-radius: var(--ui37-radius);
  padding: 1.4rem;
  margin-bottom: 1rem;
  border-left: 3px solid var(--ui37-accent);
}
.ui37-testimonial-author {
  font-weight: 600;
  color: var(--ui37-accent);
  font-size: 1.3rem;
}
.ui37-testimonial-text {
  color: var(--ui37-text-muted);
  font-size: 1.4rem;
  margin-top: 0.4rem;
  font-style: italic;
}

/* Winner ticker */
.ui37-winner-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,250,205,0.1);
}
.ui37-winner-item img {
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 50%;
}
.ui37-winner-name { font-size: 1.2rem; color: var(--ui37-text-muted); }
.ui37-winner-amount { font-size: 1.3rem; color: var(--ui37-success); font-weight: 600; }

/* FAQ */
.ui37-faq-item {
  margin-bottom: 1rem;
}
.ui37-faq-q {
  font-weight: 600;
  color: var(--ui37-primary);
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}
.ui37-faq-a {
  color: var(--ui37-text-muted);
  font-size: 1.3rem;
  padding-left: 1.2rem;
  border-left: 2px solid var(--ui37-accent);
}

/* Feature list */
.ui37-feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.ui37-feature-item {
  background: var(--ui37-card-bg);
  padding: 1.2rem;
  border-radius: var(--ui37-radius-sm);
  text-align: center;
  border: 1px solid var(--ui37-border);
}
.ui37-feature-item i, .ui37-feature-item .material-icons {
  font-size: 2.8rem;
  color: var(--ui37-accent);
  margin-bottom: 0.6rem;
}
.ui37-feature-item p {
  font-size: 1.2rem;
  color: var(--ui37-text-muted);
}

/* Payment methods */
.ui37-payments {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}
.ui37-payment-item {
  background: var(--ui37-card-bg);
  padding: 0.6rem 1.4rem;
  border-radius: var(--ui37-radius-sm);
  font-size: 1.2rem;
  color: var(--ui37-text-muted);
  border: 1px solid var(--ui37-border);
}

/* Achievements */
.ui37-achievement {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--ui37-card-bg);
  border-radius: var(--ui37-radius-sm);
  margin-bottom: 0.8rem;
}
.ui37-achievement-icon {
  font-size: 2.4rem;
  color: var(--ui37-accent);
}
.ui37-achievement-text {
  font-size: 1.3rem;
  color: var(--ui37-text-muted);
}

/* Download CTA */
.ui37-download-cta {
  background: linear-gradient(135deg, var(--ui37-bg-darker), var(--ui37-card-bg));
  border-radius: var(--ui37-radius);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--ui37-border);
}
.ui37-download-cta h3 {
  color: var(--ui37-primary);
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
}

/* Tricks */
.ui37-trick-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--ui37-card-bg);
  border-radius: var(--ui37-radius-sm);
}
.ui37-trick-num {
  background: var(--ui37-accent);
  color: var(--ui37-bg-darker);
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.ui37-trick-text {
  font-size: 1.3rem;
  color: var(--ui37-text-muted);
  line-height: 1.4;
}

/* Category highlights */
.ui37-category-highlight {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.2rem;
  background: var(--ui37-card-bg);
  border-radius: var(--ui37-radius-sm);
  margin-bottom: 0.8rem;
  border: 1px solid var(--ui37-border);
}
.ui37-category-highlight i, .ui37-category-highlight .material-icons {
  font-size: 3rem;
  color: var(--ui37-accent);
}
.ui37-category-highlight h4 {
  color: var(--ui37-primary);
  font-size: 1.4rem;
  margin-bottom: 0.2rem;
}
.ui37-category-highlight p {
  color: var(--ui37-text-muted);
  font-size: 1.2rem;
}

/* Help page specific */
.ui37-help-section {
  padding: 1.4rem 0;
}
.ui37-step-item {
  display: flex;
  gap: 1.2rem;
  margin-bottom: 1.6rem;
  align-items: flex-start;
}
.ui37-step-num {
  background: var(--ui37-accent);
  color: var(--ui37-bg-darker);
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.6rem;
  flex-shrink: 0;
}
.ui37-step-content h3 {
  color: var(--ui37-primary);
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}
.ui37-step-content p {
  color: var(--ui37-text-muted);
  font-size: 1.3rem;
}