/**
 * kg777 Design Stylesheet
 * Prefix: gb68-
 * Mobile-first responsive design, max-width 430px
 * Color palette: #FFB347 | #FFEF94 | #AD1457 | #CD853F | #212F3D | #E5E5E5
 */

/* CSS Variables */
:root {
  --gb68-primary: #FFB347;
  --gb68-accent: #AD1457;
  --gb68-secondary: #CD853F;
  --gb68-highlight: #FFEF94;
  --gb68-bg: #212F3D;
  --gb68-bg-dark: #1a242e;
  --gb68-bg-card: #2a3a4a;
  --gb68-text: #E5E5E5;
  --gb68-text-muted: #a0b0c0;
  --gb68-white: #ffffff;
  --gb68-radius: 1.2rem;
  --gb68-radius-sm: 0.8rem;
  --gb68-shadow: 0 4px 15px rgba(0,0,0,0.3);
  --gb68-transition: all 0.3s ease;
}

/* Reset and Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--gb68-bg);
  color: var(--gb68-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--gb68-primary);
  text-decoration: none;
  transition: var(--gb68-transition);
}

a:hover {
  color: var(--gb68-highlight);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* Header */
.gb68-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 1000;
  background: linear-gradient(135deg, var(--gb68-bg-dark) 0%, var(--gb68-bg) 100%);
  border-bottom: 2px solid var(--gb68-primary);
  padding: 0.8rem 1rem;
  transition: var(--gb68-transition);
}

.gb68-header-scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.gb68-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gb68-logo-area {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.gb68-logo-area img {
  width: 28px;
  height: 28px;
  border-radius: 0.4rem;
}

.gb68-logo-area span {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gb68-primary);
  letter-spacing: 0.5px;
}

.gb68-header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.gb68-btn-register {
  background: linear-gradient(135deg, var(--gb68-accent) 0%, #d81b60 100%);
  color: var(--gb68-white);
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: var(--gb68-radius-sm);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--gb68-transition);
}

.gb68-btn-register:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 10px rgba(173,20,87,0.5);
}

.gb68-btn-login {
  background: transparent;
  color: var(--gb68-primary);
  border: 2px solid var(--gb68-primary);
  padding: 0.4rem 1.2rem;
  border-radius: var(--gb68-radius-sm);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--gb68-transition);
}

.gb68-btn-login:hover {
  background: var(--gb68-primary);
  color: var(--gb68-bg-dark);
}

.gb68-menu-toggle {
  background: none;
  border: none;
  color: var(--gb68-primary);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.4rem;
  line-height: 1;
}

/* Mobile Menu */
.gb68-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--gb68-transition);
}

.gb68-overlay-active {
  opacity: 1;
  visibility: visible;
}

.gb68-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: var(--gb68-bg-dark);
  z-index: 9999;
  transition: right 0.35s ease;
  padding: 2rem 1.5rem;
  overflow-y: auto;
}

.gb68-menu-active {
  right: 0;
}

.gb68-menu-close {
  background: none;
  border: none;
  color: var(--gb68-text);
  font-size: 2.4rem;
  cursor: pointer;
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.gb68-menu-links {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.gb68-menu-links a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  color: var(--gb68-text);
  font-size: 1.4rem;
  font-weight: 500;
  border-radius: var(--gb68-radius-sm);
  transition: var(--gb68-transition);
}

.gb68-menu-links a:hover {
  background: var(--gb68-bg-card);
  color: var(--gb68-primary);
}

.gb68-menu-links a .material-icons,
.gb68-menu-links a .fas,
.gb68-menu-links a .far {
  font-size: 2rem;
  color: var(--gb68-primary);
}

/* Main Content */
main {
  padding-top: 5.6rem;
  min-height: 100vh;
}

/* Carousel */
.gb68-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 0 0 var(--gb68-radius) var(--gb68-radius);
}

.gb68-carousel-slide {
  display: none;
  width: 100%;
  cursor: pointer;
}

.gb68-carousel-slide img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.gb68-slide-active {
  display: block;
}

.gb68-carousel-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
}

.gb68-carousel-dot {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: var(--gb68-transition);
}

.gb68-dot-active {
  background: var(--gb68-primary);
  transform: scale(1.3);
}

/* Section */
.gb68-section {
  padding: 2rem 1.2rem;
}

.gb68-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gb68-primary);
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--gb68-accent);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.gb68-section-title .fas,
.gb68-section-title .far,
.gb68-section-title .material-icons {
  font-size: 2rem;
}

/* Game Grid */
.gb68-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}

.gb68-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: var(--gb68-transition);
  border-radius: var(--gb68-radius-sm);
  padding: 0.5rem;
}

.gb68-game-item:hover {
  background: var(--gb68-bg-card);
  transform: translateY(-2px);
}

.gb68-game-item img {
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: var(--gb68-radius-sm);
  object-fit: cover;
  border: 2px solid var(--gb68-bg-card);
  transition: var(--gb68-transition);
}

.gb68-game-item:hover img {
  border-color: var(--gb68-primary);
}

.gb68-game-item span {
  font-size: 1.1rem;
  color: var(--gb68-text-muted);
  text-align: center;
  line-height: 1.2rem;
  max-height: 2.4rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* Content Cards */
.gb68-card {
  background: var(--gb68-bg-card);
  border-radius: var(--gb68-radius);
  padding: 1.5rem;
  margin-bottom: 1.2rem;
  border-left: 3px solid var(--gb68-primary);
}

.gb68-card h3 {
  font-size: 1.5rem;
  color: var(--gb68-primary);
  margin-bottom: 0.8rem;
}

.gb68-card p {
  font-size: 1.3rem;
  color: var(--gb68-text);
  line-height: 1.8rem;
  margin-bottom: 0.8rem;
}

.gb68-card ul {
  padding-left: 1.5rem;
}

.gb68-card li {
  font-size: 1.3rem;
  color: var(--gb68-text);
  line-height: 1.8rem;
  margin-bottom: 0.4rem;
  position: relative;
  padding-left: 1rem;
}

.gb68-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--gb68-primary);
}

/* CTA Button */
.gb68-cta-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--gb68-accent) 0%, #d81b60 100%);
  color: var(--gb68-white);
  padding: 1rem 2.5rem;
  border-radius: 3rem;
  font-size: 1.5rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: var(--gb68-transition);
  text-align: center;
}

.gb68-cta-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(173,20,87,0.5);
  color: var(--gb68-white);
}

.gb68-cta-gold {
  background: linear-gradient(135deg, var(--gb68-primary) 0%, var(--gb68-secondary) 100%);
  color: var(--gb68-bg-dark);
}

/* Promo text link */
.gb68-promo-link {
  color: var(--gb68-primary);
  font-weight: 700;
  cursor: pointer;
  border-bottom: 1px dashed var(--gb68-primary);
  transition: var(--gb68-transition);
}

.gb68-promo-link:hover {
  color: var(--gb68-highlight);
  border-color: var(--gb68-highlight);
}

/* Winner Table */
.gb68-winner-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1.2rem;
}

.gb68-winner-table th {
  background: var(--gb68-accent);
  color: var(--gb68-white);
  padding: 0.6rem;
  text-align: left;
  font-weight: 600;
}

.gb68-winner-table td {
  padding: 0.6rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: var(--gb68-text);
}

.gb68-winner-table tr:hover td {
  background: rgba(255,179,71,0.1);
}

/* Testimonial */
.gb68-testimonial {
  background: var(--gb68-bg-card);
  border-radius: var(--gb68-radius);
  padding: 1.2rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(255,179,71,0.2);
}

.gb68-testimonial-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.6rem;
}

.gb68-testimonial-avatar {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gb68-primary), var(--gb68-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gb68-white);
  font-weight: 700;
  font-size: 1.4rem;
}

.gb68-testimonial-name {
  font-weight: 700;
  color: var(--gb68-primary);
  font-size: 1.3rem;
}

.gb68-testimonial-text {
  font-size: 1.2rem;
  color: var(--gb68-text-muted);
  line-height: 1.6rem;
}

/* Payment Methods */
.gb68-payment-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.gb68-payment-item {
  background: var(--gb68-bg-card);
  border-radius: var(--gb68-radius-sm);
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(255,179,71,0.2);
  font-size: 1.3rem;
  color: var(--gb68-text);
}

/* Footer */
.gb68-footer {
  background: var(--gb68-bg-dark);
  padding: 2rem 1.2rem 8rem;
  border-top: 2px solid var(--gb68-primary);
}

.gb68-footer-brand {
  font-size: 1.3rem;
  color: var(--gb68-text-muted);
  line-height: 1.8rem;
  margin-bottom: 1.5rem;
}

.gb68-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.gb68-footer-links a {
  background: var(--gb68-bg-card);
  color: var(--gb68-text);
  padding: 0.5rem 1rem;
  border-radius: var(--gb68-radius-sm);
  font-size: 1.1rem;
  border: 1px solid rgba(255,179,71,0.15);
  transition: var(--gb68-transition);
}

.gb68-footer-links a:hover {
  border-color: var(--gb68-primary);
  color: var(--gb68-primary);
}

.gb68-footer-copyright {
  font-size: 1.1rem;
  color: var(--gb68-text-muted);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1rem;
}

/* Bottom Navigation */
.gb68-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 60px;
  background: linear-gradient(180deg, var(--gb68-bg-dark) 0%, #141d26 100%);
  border-top: 2px solid var(--gb68-primary);
  z-index: 1000;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0 0.3rem;
}

.gb68-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 56px;
  cursor: pointer;
  transition: var(--gb68-transition);
  border-radius: 0.6rem;
  gap: 0.2rem;
  text-decoration: none;
  background: none;
  border: none;
  color: var(--gb68-text-muted);
}

.gb68-bottom-nav-item:hover,
.gb68-bottom-nav-item:active {
  color: var(--gb68-primary);
  transform: scale(1.1);
}

.gb68-bottom-nav-item .fas,
.gb68-bottom-nav-item .far,
.gb68-bottom-nav-item .material-icons,
.gb68-bottom-nav-item ion-icon {
  font-size: 22px;
}

.gb68-bottom-nav-item span {
  font-size: 1rem;
  font-weight: 600;
}

.gb68-nav-active {
  color: var(--gb68-primary) !important;
}

/* Utility Classes */
.gb68-text-center { text-align: center; }
.gb68-text-gold { color: var(--gb68-primary); }
.gb68-text-accent { color: var(--gb68-accent); }
.gb68-mb-1 { margin-bottom: 1rem; }
.gb68-mb-2 { margin-bottom: 2rem; }
.gb68-mt-1 { margin-top: 1rem; }
.gb68-mt-2 { margin-top: 2rem; }
.gb68-p-1 { padding: 1rem; }

/* H1 styling */
.gb68-page-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gb68-primary);
  text-align: center;
  padding: 1.5rem 1rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Paragraph */
.gb68-text-block {
  font-size: 1.3rem;
  line-height: 1.8rem;
  color: var(--gb68-text);
  margin-bottom: 1.2rem;
}

/* Help Page Styles */
.gb68-help-content {
  padding: 1.5rem 1.2rem;
}

.gb68-help-content h2 {
  font-size: 1.6rem;
  color: var(--gb68-primary);
  margin-bottom: 0.8rem;
  margin-top: 1.5rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--gb68-bg-card);
}

.gb68-help-content h3 {
  font-size: 1.4rem;
  color: var(--gb68-highlight);
  margin-bottom: 0.6rem;
  margin-top: 1.2rem;
}

.gb68-faq-item {
  background: var(--gb68-bg-card);
  border-radius: var(--gb68-radius-sm);
  padding: 1.2rem;
  margin-bottom: 0.8rem;
  border-left: 3px solid var(--gb68-primary);
}

.gb68-faq-item h3 {
  font-size: 1.3rem;
  color: var(--gb68-primary);
  margin: 0 0 0.5rem 0;
}

.gb68-faq-item p {
  font-size: 1.2rem;
  color: var(--gb68-text-muted);
  line-height: 1.6rem;
  margin: 0;
}

/* Mobile bottom padding */
@media (max-width: 768px) {
  main {
    padding-bottom: 80px;
  }
}

/* Desktop: hide bottom nav, show wider layout */
@media (min-width: 769px) {
  .gb68-bottom-nav {
    display: none;
  }
  body {
    max-width: 430px;
  }
}

/* Badge for bottom nav */
.gb68-nav-badge {
  position: absolute;
  top: 0.2rem;
  right: 0.5rem;
  background: var(--gb68-accent);
  color: var(--gb68-white);
  font-size: 0.9rem;
  font-weight: 700;
  min-width: 1.6rem;
  height: 1.6rem;
  border-radius: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.3rem;
}