/* ============================================
   Layout CSS - ba98 Platform
   Prefix: v624-
   Color Palette: #9400D3 | #DDA0DD | #F0F0F0 | #34495E | #7B68EE
   ============================================ */

/* CSS Variables */
:root {
  --v624-primary: #9400D3;
  --v624-secondary: #7B68EE;
  --v624-accent: #DDA0DD;
  --v624-bg: #34495E;
  --v624-bg-dark: #1a2332;
  --v624-text: #F0F0F0;
  --v624-text-dim: #b0b8c4;
  --v624-gradient: linear-gradient(135deg, #9400D3, #7B68EE);
  --v624-radius: 1.2rem;
  --v624-shadow: 0 0.4rem 1.2rem rgba(0,0,0,0.3);
  font-size: 62.5%;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 1.5rem;
  line-height: 1.5rem;
  color: var(--v624-text);
  background: var(--v624-bg-dark);
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
}
a { color: var(--v624-accent); text-decoration: none; }
a:hover { color: var(--v624-secondary); }
img { max-width: 100%; height: auto; display: block; }

/* Container */
.v624-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

/* Header */
.v624-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 1000;
  background: linear-gradient(180deg, #1a2332 0%, #2c3e50 100%);
  border-bottom: 0.2rem solid var(--v624-primary);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.v624-header-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.v624-header-logo img {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 0.5rem;
}
.v624-header-logo span {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--v624-primary);
  letter-spacing: 0.1rem;
}
.v624-header-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}
.v624-btn-register {
  background: var(--v624-gradient);
  color: #fff;
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: 2rem;
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.v624-btn-register:hover { transform: scale(1.05); box-shadow: 0 0 1rem rgba(148,0,211,0.5); }
.v624-btn-login {
  background: transparent;
  color: var(--v624-accent);
  border: 0.15rem solid var(--v624-accent);
  padding: 0.45rem 1rem;
  border-radius: 2rem;
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.v624-btn-login:hover { background: var(--v624-accent); color: var(--v624-bg-dark); }
.v624-menu-toggle {
  background: none;
  border: none;
  color: var(--v624-text);
  font-size: 2.2rem;
  cursor: pointer;
  padding: 0.3rem;
}

/* Mobile Menu */
.v624-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 260px;
  height: 100%;
  background: var(--v624-bg-dark);
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 2rem 1.5rem;
  overflow-y: auto;
}
.v624-menu-active { right: 0 !important; }
.v624-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.v624-overlay-active { opacity: 1; pointer-events: all; }
.v624-menu-close {
  background: none;
  border: none;
  color: var(--v624-text);
  font-size: 2.4rem;
  cursor: pointer;
  position: absolute;
  top: 1rem;
  right: 1rem;
}
.v624-menu-links { margin-top: 2rem; }
.v624-menu-links a {
  display: block;
  padding: 1rem 0;
  color: var(--v624-text);
  font-size: 1.5rem;
  border-bottom: 0.1rem solid rgba(255,255,255,0.1);
  transition: color 0.2s, padding-left 0.2s;
}
.v624-menu-links a:hover {
  color: var(--v624-primary);
  padding-left: 0.8rem;
}

/* Main content padding for header */
main {
  padding-top: 5.5rem;
}

/* Carousel */
.v624-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--v624-radius);
  margin-bottom: 1.5rem;
}
.v624-carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}
.v624-carousel-slide {
  min-width: 100%;
  cursor: pointer;
}
.v624-carousel-slide img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.v624-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 0;
}
.v624-carousel-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: background 0.3s;
  border: none;
}
.v624-dot-active { background: var(--v624-primary); }

/* Section titles */
.v624-section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--v624-text);
  margin: 2rem 0 1rem;
  padding-left: 1rem;
  border-left: 0.4rem solid var(--v624-primary);
}

/* Game grid */
.v624-game-category { margin-bottom: 2rem; }
.v624-category-label {
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--v624-accent);
  margin-bottom: 1rem;
  padding: 0.5rem 1rem;
  background: rgba(148,0,211,0.15);
  border-radius: 0.8rem;
  display: inline-block;
}
.v624-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}
.v624-game-item {
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s;
}
.v624-game-item:hover { transform: scale(1.05); }
.v624-game-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.8rem;
  border: 0.15rem solid rgba(148,0,211,0.3);
}
.v624-game-item span {
  display: block;
  font-size: 1.1rem;
  color: var(--v624-text-dim);
  margin-top: 0.3rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Content sections */
.v624-content-block {
  background: rgba(52,73,94,0.6);
  border-radius: var(--v624-radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 0.1rem solid rgba(148,0,211,0.2);
}
.v624-content-block h2 {
  font-size: 1.8rem;
  color: var(--v624-accent);
  margin-bottom: 1rem;
}
.v624-content-block h3 {
  font-size: 1.5rem;
  color: var(--v624-secondary);
  margin: 1rem 0 0.5rem;
}
.v624-content-block p {
  line-height: 1.8rem;
  color: var(--v624-text-dim);
  margin-bottom: 0.8rem;
}

/* Promo link style in content */
.v624-promo-text {
  color: var(--v624-accent);
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s;
}
.v624-promo-text:hover { color: var(--v624-primary); text-decoration: underline; }

/* CTA Button */
.v624-cta-btn {
  display: inline-block;
  background: var(--v624-gradient);
  color: #fff;
  padding: 1rem 2.5rem;
  border-radius: 3rem;
  font-size: 1.6rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
  text-align: center;
}
.v624-cta-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 1.5rem rgba(148,0,211,0.6);
}
.v624-cta-center { text-align: center; margin: 1.5rem 0; }

/* Winner showcase */
.v624-winner-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}
.v624-winner-card {
  background: linear-gradient(135deg, rgba(148,0,211,0.2), rgba(123,104,238,0.1));
  border-radius: 1rem;
  padding: 1rem;
  text-align: center;
  border: 0.1rem solid rgba(221,160,221,0.2);
}
.v624-winner-card .v624-winner-name {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--v624-accent);
}
.v624-winner-card .v624-winner-amount {
  font-size: 1.6rem;
  font-weight: 700;
  color: #FFD700;
  margin: 0.3rem 0;
}
.v624-winner-card .v624-winner-game {
  font-size: 1.1rem;
  color: var(--v624-text-dim);
}

/* Payment methods */
.v624-payment-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}
.v624-payment-item {
  background: rgba(255,255,255,0.08);
  border-radius: 0.8rem;
  padding: 0.6rem 1.2rem;
  font-size: 1.3rem;
  color: var(--v624-text);
  border: 0.1rem solid rgba(221,160,221,0.2);
}

/* Footer */
.v624-footer {
  background: var(--v624-bg-dark);
  padding: 2rem 1rem 8rem;
  text-align: center;
  border-top: 0.2rem solid var(--v624-primary);
}
.v624-footer-brand {
  font-size: 1.3rem;
  color: var(--v624-text-dim);
  margin-bottom: 1.5rem;
  line-height: 1.8rem;
}
.v624-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}
.v624-footer-links a {
  background: rgba(148,0,211,0.15);
  padding: 0.4rem 0.8rem;
  border-radius: 0.6rem;
  font-size: 1.2rem;
  color: var(--v624-accent);
  transition: background 0.2s;
}
.v624-footer-links a:hover { background: rgba(148,0,211,0.35); }
.v624-footer-copy {
  font-size: 1.2rem;
  color: var(--v624-text-dim);
  border-top: 0.1rem solid rgba(255,255,255,0.1);
  padding-top: 1rem;
}

/* Bottom Navigation - Unique glassmorphism design */
.v624-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 1000;
  background: rgba(26,35,50,0.92);
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
  border-top: 0.15rem solid rgba(148,0,211,0.4);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 60px;
  padding: 0.3rem 0;
}
.v624-bottom-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 54px;
  background: none;
  border: none;
  color: var(--v624-text-dim);
  cursor: pointer;
  transition: color 0.25s, transform 0.25s;
  padding: 0.2rem;
}
.v624-bottom-nav-btn:hover,
.v624-bottom-nav-btn:active {
  color: var(--v624-primary);
  transform: scale(1.12);
}
.v624-nav-active {
  color: var(--v624-primary) !important;
}
.v624-bottom-nav-btn .v624-nav-icon {
  font-size: 2.2rem;
  line-height: 1;
  margin-bottom: 0.2rem;
}
.v624-bottom-nav-btn .v624-nav-label {
  font-size: 1rem;
  line-height: 1;
}

/* Mobile bottom padding */
@media (max-width: 768px) {
  main { padding-bottom: 75px; }
}

/* Hide bottom nav on desktop */
@media (min-width: 769px) {
  .v624-bottom-nav { display: none; }
}

/* Utility classes */
.v624-text-center { text-align: center; }
.v624-mt-1 { margin-top: 1rem; }
.v624-mb-1 { margin-bottom: 1rem; }
.v624-hidden { display: none; }

/* FAQ styles */
.v624-faq-item {
  background: rgba(52,73,94,0.5);
  border-radius: 1rem;
  padding: 1.2rem;
  margin-bottom: 1rem;
  border-left: 0.3rem solid var(--v624-primary);
}
.v624-faq-item strong {
  display: block;
  color: var(--v624-accent);
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}
.v624-faq-item p {
  color: var(--v624-text-dim);
  font-size: 1.3rem;
  line-height: 1.7rem;
}

/* Feature cards */
.v624-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.v624-feature-card {
  background: linear-gradient(145deg, rgba(148,0,211,0.12), rgba(123,104,238,0.08));
  border-radius: 1rem;
  padding: 1.2rem;
  text-align: center;
  border: 0.1rem solid rgba(221,160,221,0.15);
  transition: transform 0.2s;
}
.v624-feature-card:hover { transform: translateY(-0.3rem); }
.v624-feature-card .material-icons,
.v624-feature-card .v624-feat-icon {
  font-size: 2.8rem;
  color: var(--v624-primary);
  margin-bottom: 0.5rem;
}
.v624-feature-card h3 {
  font-size: 1.3rem;
  color: var(--v624-accent);
  margin-bottom: 0.3rem;
}
.v624-feature-card p {
  font-size: 1.1rem;
  color: var(--v624-text-dim);
  line-height: 1.5rem;
}

/* App download CTA */
.v624-app-cta {
  background: var(--v624-gradient);
  border-radius: var(--v624-radius);
  padding: 2rem 1.5rem;
  text-align: center;
  margin: 1.5rem 0;
}
.v624-app-cta h2 {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 0.8rem;
}
.v624-app-cta p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.2rem;
}
.v624-app-cta .v624-cta-btn {
  background: #fff;
  color: var(--v624-primary);
}

/* Testimonials */
.v624-testimonial-item {
  background: rgba(52,73,94,0.5);
  border-radius: 1rem;
  padding: 1.2rem;
  margin-bottom: 1rem;
  border: 0.1rem solid rgba(221,160,221,0.15);
}
.v624-testimonial-item .v624-testi-user {
  font-weight: 600;
  color: var(--v624-accent);
  font-size: 1.3rem;
}
.v624-testimonial-item .v624-testi-text {
  color: var(--v624-text-dim);
  font-size: 1.3rem;
  line-height: 1.6rem;
  margin-top: 0.4rem;
}
.v624-testi-stars {
  color: #FFD700;
  font-size: 1.2rem;
}