/**
 * eg333 - Core Stylesheet
 * Color Palette: Dark #2D2D2D bg | Light #ECF0F1 text
 * All classes use s87f- prefix for namespace isolation
 * Mobile-first design, max-width 430px
 */

/* CSS Variables */
:root {
  --s87f-primary: #2D2D2D;
  --s87f-secondary: #ECF0F1;
  --s87f-accent: #F39C12;
  --s87f-accent2: #E74C3C;
  --s87f-bg: #1A1A2E;
  --s87f-bg2: #16213E;
  --s87f-bg3: #0F3460;
  --s87f-text: #ECF0F1;
  --s87f-text2: #BDC3C7;
  --s87f-gold: #FFD700;
  --s87f-green: #27AE60;
  --s87f-border: #3D3D5C;
  --s87f-radius: 8px;
  --s87f-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* 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(--s87f-bg);
  color: var(--s87f-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
}
a { color: var(--s87f-accent); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* Header */
.s87f-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  max-width: 430px;
  margin: 0 auto;
  z-index: 1000;
  background: linear-gradient(135deg, var(--s87f-bg2) 0%, var(--s87f-bg3) 100%);
  border-bottom: 2px solid var(--s87f-accent);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
}
.s87f-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.s87f-logo img { width: 28px; height: 28px; border-radius: 50%; }
.s87f-logo-text {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--s87f-gold);
  letter-spacing: 1px;
}
.s87f-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.s87f-btn-register, .s87f-btn-login {
  padding: 0.5rem 1rem;
  border-radius: var(--s87f-radius);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.s87f-btn-register {
  background: linear-gradient(135deg, var(--s87f-accent), #E67E22);
  color: #fff;
}
.s87f-btn-login {
  background: transparent;
  color: var(--s87f-accent);
  border: 2px solid var(--s87f-accent);
}
.s87f-btn-register:hover, .s87f-btn-login:hover {
  transform: scale(1.05);
  opacity: 0.9;
}
.s87f-menu-toggle {
  background: none;
  border: none;
  color: var(--s87f-text);
  font-size: 2.2rem;
  cursor: pointer;
  padding: 0.4rem;
  display: flex;
  align-items: center;
}

/* Mobile Menu Overlay */
.s87f-menu-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
  display: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.s87f-overlay-active { display: block; opacity: 1; }

/* Mobile Menu */
.s87f-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: var(--s87f-bg2);
  z-index: 9999;
  transition: right 0.3s ease;
  overflow-y: auto;
  padding: 2rem 1.5rem;
}
.s87f-menu-active { right: 0; }
.s87f-menu-close {
  background: none;
  border: none;
  color: var(--s87f-text);
  font-size: 2.4rem;
  cursor: pointer;
  float: right;
  margin-bottom: 2rem;
}
.s87f-mobile-menu nav a {
  display: block;
  padding: 1rem 0;
  color: var(--s87f-text);
  font-size: 1.4rem;
  border-bottom: 1px solid var(--s87f-border);
  transition: color 0.2s;
}
.s87f-mobile-menu nav a:hover {
  color: var(--s87f-accent);
}

/* Main Content */
.s87f-main {
  margin-top: 56px;
  padding: 1rem;
  min-height: 60vh;
}

/* Carousel */
.s87f-carousel {
  position: relative;
  width: 100%;
  border-radius: var(--s87f-radius);
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.s87f-slide {
  width: 100%;
  display: none;
  cursor: pointer;
}
.s87f-slide-active { display: block; }
.s87f-slide img {
  width: 100%;
  height: auto;
  border-radius: var(--s87f-radius);
}

/* Section Titles */
.s87f-section-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--s87f-gold);
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--s87f-accent);
}
.s87f-section-title i {
  margin-right: 0.5rem;
  font-size: 2rem;
}

/* Game Grid */
.s87f-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin-bottom: 2rem;
}
.s87f-game-item {
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s;
}
.s87f-game-item:hover { transform: scale(1.05); }
.s87f-game-item img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--s87f-radius);
  object-fit: cover;
  border: 2px solid var(--s87f-border);
  transition: border-color 0.2s;
}
.s87f-game-item:hover img { border-color: var(--s87f-accent); }
.s87f-game-name {
  font-size: 1.1rem;
  color: var(--s87f-text2);
  margin-top: 0.3rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Category Header */
.s87f-cat-header {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--s87f-accent);
  margin: 1.5rem 0 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.s87f-cat-header i { font-size: 1.6rem; }

/* Content Cards */
.s87f-card {
  background: var(--s87f-bg2);
  border-radius: var(--s87f-radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--s87f-border);
  box-shadow: var(--s87f-shadow);
}
.s87f-card h3 {
  font-size: 1.6rem;
  color: var(--s87f-gold);
  margin-bottom: 1rem;
}
.s87f-card p {
  color: var(--s87f-text2);
  line-height: 1.8rem;
  font-size: 1.3rem;
}

/* Promo Buttons */
.s87f-promo-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--s87f-accent), #E67E22);
  color: #fff;
  padding: 0.8rem 1.6rem;
  border-radius: 2rem;
  font-size: 1.4rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-align: center;
  margin: 0.5rem 0;
}
.s87f-promo-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px rgba(243,156,18,0.5);
}
.s87f-promo-text {
  color: var(--s87f-accent);
  font-weight: 700;
  cursor: pointer;
  border-bottom: 1px dashed var(--s87f-accent);
}
.s87f-promo-text:hover { color: var(--s87f-gold); }

/* Footer */
.s87f-footer {
  background: var(--s87f-bg2);
  padding: 2rem 1rem;
  border-top: 2px solid var(--s87f-accent);
  margin-top: 3rem;
}
.s87f-footer-brand {
  font-size: 1.3rem;
  color: var(--s87f-text2);
  line-height: 1.8rem;
  margin-bottom: 1.5rem;
}
.s87f-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.s87f-footer-links a {
  background: var(--s87f-bg3);
  color: var(--s87f-text);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 1.2rem;
  transition: all 0.2s;
}
.s87f-footer-links a:hover {
  background: var(--s87f-accent);
  color: #fff;
}
.s87f-footer-copy {
  text-align: center;
  font-size: 1.1rem;
  color: var(--s87f-text2);
  border-top: 1px solid var(--s87f-border);
  padding-top: 1rem;
}

/* Bottom Navigation */
.s87f-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 430px;
  margin: 0 auto;
  height: 60px;
  background: linear-gradient(180deg, var(--s87f-bg3), var(--s87f-bg2));
  border-top: 2px solid var(--s87f-accent);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 1000;
  padding: 0 0.3rem;
}
.s87f-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 56px;
  cursor: pointer;
  color: var(--s87f-text2);
  transition: all 0.2s;
  border: none;
  background: none;
  padding: 0.3rem;
}
.s87f-nav-item:hover, .s87f-nav-item:focus {
  color: var(--s87f-accent);
  transform: scale(1.1);
}
.s87f-nav-item i, .s87f-nav-item .material-symbols-outlined {
  font-size: 2.2rem;
  margin-bottom: 0.1rem;
}
.s87f-nav-item span {
  font-size: 1rem;
  font-weight: 500;
}
.s87f-nav-active {
  color: var(--s87f-gold) !important;
}

/* Back to Top */
#s87f-back-top {
  position: fixed;
  bottom: 70px;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: var(--s87f-accent);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.8rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  box-shadow: var(--s87f-shadow);
}

/* Winners List */
.s87f-winner-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--s87f-border);
  font-size: 1.2rem;
}
.s87f-winner-name { color: var(--s87f-text); font-weight: 600; }
.s87f-winner-game { color: var(--s87f-text2); }
.s87f-winner-amount { color: var(--s87f-green); font-weight: 700; }

/* Payment Icons */
.s87f-payment-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  margin: 1rem 0;
}
.s87f-payment-item {
  background: var(--s87f-bg);
  border: 1px solid var(--s87f-border);
  border-radius: var(--s87f-radius);
  padding: 0.5rem 1rem;
  font-size: 1.2rem;
  color: var(--s87f-text2);
}

/* Testimonials */
.s87f-testimonial {
  background: var(--s87f-bg);
  border-radius: var(--s87f-radius);
  padding: 1rem;
  margin-bottom: 1rem;
  border-left: 3px solid var(--s87f-accent);
}
.s87f-testimonial p { font-size: 1.2rem; font-style: italic; }
.s87f-testimonial-author {
  font-size: 1.1rem;
  color: var(--s87f-accent);
  margin-top: 0.5rem;
  font-weight: 700;
}

/* Responsive */
@media (min-width: 769px) {
  .s87f-bottom-nav { display: none; }
}
@media (max-width: 768px) {
  .s87f-main { padding-bottom: 80px; }
  .s87f-footer { padding-bottom: 80px; }
}