/* ============================================
   Arena Plus App - Core Stylesheet
   Prefix: sfbe-
   Colors: #2D2D2D | #0000CD | #CCCCCC | #E8F5E8 | #FFB347 | #00E5FF
   ============================================ */

/* CSS Variables */
:root {
  --sfbe-primary: #0000CD;
  --sfbe-primary-dark: #0000A0;
  --sfbe-bg: #2D2D2D;
  --sfbe-bg-light: #3A3A3A;
  --sfbe-bg-card: #353535;
  --sfbe-text: #E8F5E8;
  --sfbe-text-muted: #CCCCCC;
  --sfbe-accent: #FFB347;
  --sfbe-accent2: #00E5FF;
  --sfbe-white: #FFFFFF;
  --sfbe-border: #4A4A4A;
  --sfbe-radius: 8px;
  --sfbe-radius-lg: 12px;
  --sfbe-shadow: 0 2px 12px rgba(0,0,0,0.3);
  --sfbe-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: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--sfbe-bg);
  color: var(--sfbe-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--sfbe-accent2); text-decoration: none; }
a:hover { color: var(--sfbe-accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* Header */
.sfbe-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  background: linear-gradient(135deg, var(--sfbe-bg) 0%, #1A1A2E 100%);
  z-index: 1000;
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--sfbe-primary);
  box-shadow: var(--sfbe-shadow);
}
.sfbe-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.sfbe-logo-wrap img { width: 28px; height: 28px; border-radius: 6px; }
.sfbe-logo-wrap span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sfbe-white);
  white-space: nowrap;
}
.sfbe-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sfbe-btn-register, .sfbe-btn-login {
  padding: 0.5rem 1.2rem;
  border-radius: var(--sfbe-radius);
  font-size: 1.2rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--sfbe-transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sfbe-btn-register {
  background: linear-gradient(135deg, var(--sfbe-accent) 0%, #FF8C00 100%);
  color: var(--sfbe-bg);
}
.sfbe-btn-register:hover { transform: scale(1.05); box-shadow: 0 0 10px rgba(255,179,71,0.5); }
.sfbe-btn-login {
  background: linear-gradient(135deg, var(--sfbe-primary) 0%, var(--sfbe-accent2) 100%);
  color: var(--sfbe-white);
}
.sfbe-btn-login:hover { transform: scale(1.05); box-shadow: 0 0 10px rgba(0,229,255,0.5); }
.sfbe-menu-toggle {
  background: none;
  border: 1px solid var(--sfbe-border);
  border-radius: 6px;
  color: var(--sfbe-white);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  font-size: 1.6rem;
  line-height: 1;
}

/* Mobile Menu */
.sfbe-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: var(--sfbe-transition);
}
.sfbe-overlay-visible { opacity: 1; visibility: visible; }
.sfbe-mobile-menu {
  position: fixed;
  top: 0; right: -280px;
  width: 280px;
  height: 100%;
  background: linear-gradient(180deg, #1A1A2E 0%, var(--sfbe-bg) 100%);
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 2rem 1.5rem;
  overflow-y: auto;
}
.sfbe-menu-open { right: 0 !important; }
.sfbe-menu-closed { right: -280px; }
.sfbe-mobile-menu .sfbe-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--sfbe-border);
}
.sfbe-mobile-menu .sfbe-menu-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--sfbe-accent);
}
.sfbe-menu-close {
  background: none;
  border: none;
  color: var(--sfbe-text-muted);
  font-size: 2rem;
  cursor: pointer;
}
.sfbe-mobile-menu nav a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1rem;
  color: var(--sfbe-text);
  font-size: 1.4rem;
  border-radius: var(--sfbe-radius);
  transition: var(--sfbe-transition);
  margin-bottom: 0.3rem;
}
.sfbe-mobile-menu nav a:hover {
  background: var(--sfbe-bg-light);
  color: var(--sfbe-accent);
}
.sfbe-mobile-menu nav a .sfbe-menu-icon {
  font-size: 1.8rem;
  width: 24px;
  text-align: center;
}

/* Main Content */
.sfbe-main {
  padding-top: 56px;
  min-height: 100vh;
}
@media (max-width: 768px) {
  .sfbe-main { padding-bottom: 72px; }
}

/* Carousel */
.sfbe-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-bottom: 2px solid var(--sfbe-primary);
}
.sfbe-carousel-slide {
  display: none;
  width: 100%;
  cursor: pointer;
  position: relative;
}
.sfbe-slide-active { display: block; }
.sfbe-carousel-slide img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16/9;
}
.sfbe-carousel-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 5;
}
.sfbe-carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--sfbe-transition);
}
.sfbe-dot-active { background: var(--sfbe-accent); width: 20px; border-radius: 4px; }
.sfbe-carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: var(--sfbe-white);
  border: none;
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
}
.sfbe-carousel-arrow-left { left: 8px; }
.sfbe-carousel-arrow-right { right: 8px; }

/* Container */
.sfbe-container {
  padding: 1.5rem 1rem;
  width: 100%;
}
.sfbe-wrapper { max-width: 430px; margin: 0 auto; }

/* Section */
.sfbe-section {
  padding: 2rem 1rem;
  border-bottom: 1px solid var(--sfbe-border);
}
.sfbe-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--sfbe-accent);
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--sfbe-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.sfbe-section-title .sfbe-title-icon { font-size: 2rem; }

/* Game Grid */
.sfbe-game-category-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sfbe-accent2);
  margin: 1.5rem 0 0.8rem;
  padding-left: 0.5rem;
  border-left: 3px solid var(--sfbe-accent2);
}
.sfbe-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}
.sfbe-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: var(--sfbe-transition);
  border-radius: var(--sfbe-radius);
  padding: 0.4rem;
  background: var(--sfbe-bg-card);
}
.sfbe-game-item:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,229,255,0.2); }
.sfbe-game-item img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--sfbe-radius);
  object-fit: cover;
  margin-bottom: 0.3rem;
}
.sfbe-game-item span {
  font-size: 1rem;
  color: var(--sfbe-text-muted);
  text-align: center;
  line-height: 1.2;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
}

/* Cards */
.sfbe-card {
  background: var(--sfbe-bg-card);
  border-radius: var(--sfbe-radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid var(--sfbe-border);
}
.sfbe-card-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--sfbe-white);
  margin-bottom: 0.8rem;
}

/* Promo Button */
.sfbe-promo-btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, var(--sfbe-accent) 0%, #FF8C00 100%);
  color: var(--sfbe-bg);
  font-weight: 700;
  font-size: 1.6rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--sfbe-transition);
  text-align: center;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sfbe-promo-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(255,179,71,0.6);
}
.sfbe-promo-btn-blue {
  background: linear-gradient(135deg, var(--sfbe-primary) 0%, var(--sfbe-accent2) 100%);
  color: var(--sfbe-white);
}
.sfbe-promo-btn-blue:hover {
  box-shadow: 0 0 20px rgba(0,229,255,0.6);
}

/* Text link promo */
.sfbe-text-link {
  color: var(--sfbe-accent);
  font-weight: 700;
  cursor: pointer;
  text-decoration: underline;
  transition: var(--sfbe-transition);
}
.sfbe-text-link:hover { color: var(--sfbe-accent2); }

/* Footer */
.sfbe-footer {
  background: linear-gradient(180deg, var(--sfbe-bg) 0%, #1A1A2E 100%);
  padding: 2rem 1rem 1rem;
  border-top: 2px solid var(--sfbe-primary);
}
.sfbe-footer-desc {
  font-size: 1.2rem;
  color: var(--sfbe-text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}
.sfbe-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  justify-content: center;
}
.sfbe-footer-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--sfbe-bg-light);
  color: var(--sfbe-accent2);
  border-radius: var(--sfbe-radius);
  font-size: 1.1rem;
  transition: var(--sfbe-transition);
  border: 1px solid var(--sfbe-border);
}
.sfbe-footer-link:hover { background: var(--sfbe-primary); color: var(--sfbe-white); }
.sfbe-footer-copyright {
  text-align: center;
  font-size: 1.1rem;
  color: var(--sfbe-text-muted);
  padding-top: 1rem;
  border-top: 1px solid var(--sfbe-border);
}

/* Bottom Navigation */
.sfbe-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 60px;
  background: linear-gradient(135deg, #1A1A2E 0%, var(--sfbe-bg) 100%);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  border-top: 2px solid var(--sfbe-primary);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.4);
}
.sfbe-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 60px;
  cursor: pointer;
  transition: var(--sfbe-transition);
  color: var(--sfbe-text-muted);
  text-decoration: none;
  border: none;
  background: none;
  padding: 0;
}
.sfbe-bottom-nav-item:hover, .sfbe-bottom-nav-item.sfbe-nav-active {
  color: var(--sfbe-accent);
  transform: scale(1.1);
}
.sfbe-bottom-nav-item .sfbe-nav-icon {
  font-size: 22px;
  line-height: 1;
  margin-bottom: 2px;
}
.sfbe-bottom-nav-item .sfbe-nav-label {
  font-size: 10px;
  font-weight: 600;
  line-height: 1.2;
}
@media (min-width: 769px) {
  .sfbe-bottom-nav { display: none; }
}

/* Content Typography */
.sfbe-content p {
  margin-bottom: 1rem;
  line-height: 1.6;
  color: var(--sfbe-text-muted);
}
.sfbe-content h2 {
  font-size: 1.7rem;
  color: var(--sfbe-accent);
  margin: 2rem 0 1rem;
  font-weight: 700;
}
.sfbe-content h3 {
  font-size: 1.5rem;
  color: var(--sfbe-accent2);
  margin: 1.5rem 0 0.8rem;
  font-weight: 600;
}
.sfbe-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.sfbe-content ul li {
  list-style: disc;
  margin-bottom: 0.5rem;
  color: var(--sfbe-text-muted);
  line-height: 1.5;
}

/* Winner badge */
.sfbe-winner-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--sfbe-bg-card);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  margin: 0.3rem;
  border: 1px solid var(--sfbe-border);
  font-size: 1.2rem;
}
.sfbe-winner-badge .sfbe-winner-name { color: var(--sfbe-accent); font-weight: 600; }
.sfbe-winner-badge .sfbe-winner-amount { color: var(--sfbe-accent2); font-weight: 700; }

/* Payment grid */
.sfbe-payment-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}
.sfbe-payment-item {
  background: var(--sfbe-bg-card);
  border: 1px solid var(--sfbe-border);
  border-radius: var(--sfbe-radius);
  padding: 0.6rem 1.2rem;
  font-size: 1.2rem;
  color: var(--sfbe-text-muted);
  transition: var(--sfbe-transition);
}
.sfbe-payment-item:hover { border-color: var(--sfbe-accent); color: var(--sfbe-accent); }

/* Testimonial card */
.sfbe-testimonial {
  background: var(--sfbe-bg-card);
  border-radius: var(--sfbe-radius-lg);
  padding: 1.2rem;
  margin-bottom: 0.8rem;
  border-left: 3px solid var(--sfbe-accent);
}
.sfbe-testimonial-name {
  font-weight: 700;
  color: var(--sfbe-accent);
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
}
.sfbe-testimonial-text {
  font-size: 1.2rem;
  color: var(--sfbe-text-muted);
  line-height: 1.5;
}

/* Feature list */
.sfbe-feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}
.sfbe-feature-item {
  background: var(--sfbe-bg-card);
  border-radius: var(--sfbe-radius);
  padding: 1rem;
  border: 1px solid var(--sfbe-border);
  text-align: center;
  transition: var(--sfbe-transition);
}
.sfbe-feature-item:hover { border-color: var(--sfbe-accent2); }
.sfbe-feature-item .sfbe-feature-icon {
  font-size: 2.4rem;
  margin-bottom: 0.4rem;
  display: block;
}
.sfbe-feature-item .sfbe-feature-name {
  font-size: 1.1rem;
  color: var(--sfbe-text-muted);
  font-weight: 600;
}

/* CTA center */
.sfbe-cta-center {
  text-align: center;
  padding: 2rem 1rem;
}
.sfbe-cta-center p {
  color: var(--sfbe-text-muted);
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

/* FAQ item */
.sfbe-faq-item {
  margin-bottom: 1.2rem;
  padding: 1rem;
  background: var(--sfbe-bg-card);
  border-radius: var(--sfbe-radius);
  border: 1px solid var(--sfbe-border);
}
.sfbe-faq-q {
  font-weight: 700;
  color: var(--sfbe-accent);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}
.sfbe-faq-a {
  color: var(--sfbe-text-muted);
  font-size: 1.2rem;
  line-height: 1.5;
}

/* Internal link style */
.sfbe-internal-link {
  color: var(--sfbe-accent2);
  text-decoration: underline;
  transition: var(--sfbe-transition);
}
.sfbe-internal-link:hover { color: var(--sfbe-accent); }