/* ===========================================================
 * f8net.click - stylesheet (g6ff prefix)
 * Mobile-first, Vietnamese casino gaming site
 * Palette: #2E4057 bg | #FF5722 primary | #00E5FF accent | #FFF176 highlight | #EEEEEE text
 * =========================================================== */

:root {
  --g6ff-bg: #2E4057;
  --g6ff-bg-deep: #1c2a3a;
  --g6ff-bg-card: #34495f;
  --g6ff-primary: #FF5722;
  --g6ff-primary-dark: #d4400f;
  --g6ff-accent: #00E5FF;
  --g6ff-highlight: #FFF176;
  --g6ff-text: #EEEEEE;
  --g6ff-text-soft: #c5cdd6;
  --g6ff-border: rgba(255,255,255,0.08);
  --g6ff-radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 62.5%; }

body {
  font-family: "Segoe UI", "Inter", "Helvetica Neue", Arial, sans-serif;
  background: var(--g6ff-bg);
  color: var(--g6ff-text);
  font-size: 1.5rem;
  line-height: 1.5;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

img { max-width: 100%; display: block; }
a { color: var(--g6ff-accent); text-decoration: none; }

/* ===== Header ===== */
.g6ff-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  background: linear-gradient(90deg, var(--g6ff-bg-deep), var(--g6ff-bg));
  border-bottom: 2px solid var(--g6ff-primary);
  box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.g6ff-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--g6ff-highlight);
  font-weight: 800;
  font-size: 1.7rem;
}
.g6ff-logo img { width: 28px; height: 28px; border-radius: 6px; }
.g6ff-logo span { color: var(--g6ff-primary); }

.g6ff-header-actions { display: flex; align-items: center; gap: 0.5rem; }

.g6ff-btn {
  font-size: 1.25rem;
  font-weight: 700;
  padding: 0.55rem 1rem;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s;
  min-height: 36px;
}
.g6ff-btn:hover { transform: scale(1.04); }
.g6ff-btn:active { transform: scale(0.96); }

.g6ff-btn-register {
  background: linear-gradient(135deg, var(--g6ff-primary), #ff7a4d);
  color: #fff;
  box-shadow: 0 2px 6px rgba(255,87,34,0.45);
}
.g6ff-btn-login {
  background: transparent;
  color: var(--g6ff-accent);
  border: 1px solid var(--g6ff-accent);
}

.g6ff-menu-btn {
  background: transparent;
  border: none;
  color: var(--g6ff-text);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
}
.g6ff-btn-active { color: var(--g6ff-primary); }

/* ===== Mobile Menu ===== */
.g6ff-mobile-menu {
  position: fixed;
  top: 56px; right: -100%;
  width: 78%;
  max-width: 320px;
  height: calc(100vh - 56px);
  background: var(--g6ff-bg-deep);
  z-index: 9999;
  padding: 1.5rem 1.2rem;
  transition: right 0.3s ease;
  overflow-y: auto;
  border-left: 1px solid var(--g6ff-border);
}
.g6ff-menu-open { right: 0; }
.g6ff-mobile-menu a {
  display: block;
  padding: 0.9rem 0.8rem;
  color: var(--g6ff-text);
  font-size: 1.35rem;
  border-bottom: 1px solid var(--g6ff-border);
}
.g6ff-mobile-menu a:hover { color: var(--g6ff-primary); background: rgba(255,87,34,0.08); }

/* ===== Main layout ===== */
main { padding-top: 62px; padding-bottom: 1rem; }

.g6ff-container { width: 100%; padding: 0 1rem; }
.g6ff-wrapper { max-width: 430px; margin: 0 auto; }

/* ===== Carousel ===== */
.g6ff-carousel {
  position: relative;
  width: 100%;
  margin: 1rem 0;
  border-radius: var(--g6ff-radius);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--g6ff-bg-deep);
}
.g6ff-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.g6ff-slide-active { opacity: 1; position: relative; }
.g6ff-slide img { width: 100%; height: 100%; object-fit: cover; cursor: pointer; }
.g6ff-carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.45);
  color: #fff;
  border: none;
  width: 32px; height: 32px;
  border-radius: 50%;
  font-size: 1.6rem;
  cursor: pointer;
  z-index: 2;
}
.g6ff-carousel-nav.g6ff-prev { left: 8px; }
.g6ff-carousel-nav.g6ff-next { right: 8px; }
.g6ff-dots {
  position: absolute;
  bottom: 8px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 6px;
}
.g6ff-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none; cursor: pointer;
}
.g6ff-dot-active { background: var(--g6ff-primary); width: 22px; border-radius: 4px; }

/* ===== Section titles ===== */
.g6ff-section { margin: 1.6rem 0; }
.g6ff-section-title {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--g6ff-highlight);
  margin-bottom: 0.7rem;
  padding-left: 0.8rem;
  border-left: 4px solid var(--g6ff-primary);
}
.g6ff-section-sub {
  font-size: 1.35rem;
  color: var(--g6ff-accent);
  font-weight: 700;
  margin: 1rem 0 0.5rem;
}

/* ===== Game grid ===== */
.g6ff-game-group { margin-bottom: 1.6rem; }
.g6ff-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}
.g6ff-game-item {
  display: block;
  background: var(--g6ff-bg-card);
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  padding: 0.5rem 0.4rem 0.6rem;
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: pointer;
}
.g6ff-game-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,229,255,0.25);
}
.g6ff-game-item img {
  width: 70px; height: 70px;
  object-fit: cover;
  border-radius: 8px;
  margin: 0 auto 0.4rem;
}
.g6ff-game-name {
  font-size: 1.1rem;
  color: var(--g6ff-text);
  font-weight: 600;
  line-height: 1.25;
  height: 2.8em;
  overflow: hidden;
}

/* ===== Filter tabs ===== */
.g6ff-filter-row {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.5rem 0;
  margin-bottom: 0.6rem;
}
.g6ff-filter-tab {
  flex: 0 0 auto;
  padding: 0.4rem 0.9rem;
  font-size: 1.2rem;
  border-radius: 16px;
  background: var(--g6ff-bg-card);
  color: var(--g6ff-text);
  border: 1px solid var(--g6ff-border);
  cursor: pointer;
  white-space: nowrap;
}
.g6ff-filter-tab-active {
  background: var(--g6ff-primary);
  color: #fff;
  border-color: var(--g6ff-primary);
}

/* ===== Cards ===== */
.g6ff-card {
  background: var(--g6ff-bg-card);
  border-radius: var(--g6ff-radius);
  padding: 1rem;
  margin-bottom: 0.9rem;
  border: 1px solid var(--g6ff-border);
}
.g6ff-card h3 {
  font-size: 1.4rem;
  color: var(--g6ff-highlight);
  margin-bottom: 0.5rem;
}
.g6ff-card p { font-size: 1.25rem; color: var(--g6ff-text-soft); margin-bottom: 0.5rem; }

/* ===== Feature list ===== */
.g6ff-feature-list { list-style: none; }
.g6ff-feature-list li {
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--g6ff-border);
  font-size: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.g6ff-feature-list li i { color: var(--g6ff-primary); font-size: 1.6rem; flex: 0 0 auto; }

/* ===== Promo link button ===== */
.g6ff-play-link {
  display: inline-block;
  margin: 0.5rem 0;
  padding: 0.7rem 1.4rem;
  background: linear-gradient(135deg, var(--g6ff-primary), #ff7a4d);
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  border-radius: 24px;
  cursor: pointer;
  border: none;
  box-shadow: 0 3px 8px rgba(255,87,34,0.4);
}
.g6ff-text-link {
  color: var(--g6ff-accent);
  font-weight: 700;
  border-bottom: 1px dotted var(--g6ff-accent);
}

/* ===== Testimonials ===== */
.g6ff-testimonial {
  background: var(--g6ff-bg-card);
  border-left: 3px solid var(--g6ff-accent);
  padding: 0.8rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.7rem;
}
.g6ff-testimonial .g6ff-name { color: var(--g6ff-highlight); font-weight: 700; font-size: 1.25rem; }
.g6ff-testimonial .g6ff-quote { color: var(--g6ff-text-soft); font-size: 1.2rem; font-style: italic; }

/* ===== Winners row ===== */
.g6ff-winner-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--g6ff-border);
  font-size: 1.2rem;
}
.g6ff-winner-row .g6ff-win-name { color: var(--g6ff-text); }
.g6ff-winner-row .g6ff-win-amount { color: var(--g6ff-highlight); font-weight: 700; }

/* ===== Payment methods ===== */
.g6ff-pay-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}
.g6ff-pay-item {
  background: var(--g6ff-bg-card);
  padding: 0.6rem 0.3rem;
  text-align: center;
  border-radius: 8px;
  font-size: 1rem;
  color: var(--g6ff-text-soft);
}
.g6ff-pay-item i { font-size: 1.8rem; color: var(--g6ff-accent); margin-bottom: 0.2rem; display: block; }

/* ===== App download CTA ===== */
.g6ff-app-cta {
  background: linear-gradient(135deg, var(--g6ff-primary-dark), var(--g6ff-primary));
  border-radius: var(--g6ff-radius);
  padding: 1.1rem;
  text-align: center;
  margin: 1rem 0;
}
.g6ff-app-cta h3 { color: #fff; font-size: 1.5rem; margin-bottom: 0.4rem; }
.g6ff-app-cta p { color: #ffe; font-size: 1.2rem; margin-bottom: 0.6rem; }
.g6ff-app-btn {
  display: inline-block;
  background: #fff;
  color: var(--g6ff-primary-dark);
  font-weight: 800;
  padding: 0.6rem 1.2rem;
  border-radius: 20px;
  font-size: 1.25rem;
  cursor: pointer;
}

/* ===== RTP table ===== */
.g6ff-rtp-table { width: 100%; border-collapse: collapse; font-size: 1.2rem; }
.g6ff-rtp-table th, .g6ff-rtp-table td {
  padding: 0.5rem 0.6rem;
  text-align: left;
  border-bottom: 1px solid var(--g6ff-border);
}
.g6ff-rtp-table th { color: var(--g6ff-highlight); font-size: 1.25rem; }
.g6ff-rtp-table td.g6ff-rtp-val { color: var(--g6ff-accent); font-weight: 700; }

/* ===== FAQ ===== */
.g6ff-faq-item {
  background: var(--g6ff-bg-card);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  margin-bottom: 0.6rem;
}
.g6ff-faq-item .g6ff-faq-q { font-weight: 700; color: var(--g6ff-highlight); font-size: 1.3rem; margin-bottom: 0.3rem; }
.g6ff-faq-item .g6ff-faq-a { color: var(--g6ff-text-soft); font-size: 1.2rem; }

/* ===== Footer ===== */
.g6ff-footer {
  background: var(--g6ff-bg-deep);
  padding: 1.5rem 1rem 5.5rem;
  margin-top: 1.5rem;
  border-top: 2px solid var(--g6ff-primary);
}
.g6ff-footer-brand { color: var(--g6ff-text-soft); font-size: 1.2rem; margin-bottom: 0.8rem; }
.g6ff-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}
.g6ff-footer-links a {
  flex: 1 1 45%;
  padding: 0.4rem 0.6rem;
  background: var(--g6ff-bg-card);
  border-radius: 6px;
  font-size: 1.15rem;
  color: var(--g6ff-text);
  text-align: center;
}
.g6ff-footer-links a:hover { color: var(--g6ff-primary); }
.g6ff-footer-copy { color: var(--g6ff-text-soft); font-size: 1.1rem; border-top: 1px solid var(--g6ff-border); padding-top: 0.7rem; }

/* ===== Bottom nav ===== */
.g6ff-bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 60px;
  background: var(--g6ff-bg-deep);
  border-top: 2px solid var(--g6ff-primary);
  box-shadow: 0 -2px 10px rgba(0,0,0,0.45);
}
.g6ff-bottom-btn {
  flex: 1;
  min-width: 60px;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: transparent;
  border: none;
  color: var(--g6ff-text-soft);
  font-size: 1rem;
  cursor: pointer;
  transition: color 0.2s, transform 0.2s;
}
.g6ff-bottom-btn i { font-size: 22px; }
.g6ff-bottom-btn:hover { color: var(--g6ff-accent); transform: translateY(-2px); }
.g6ff-bottom-btn-active { color: var(--g6ff-primary); }
.g6ff-bottom-btn-active i { color: var(--g6ff-primary); }
.g6ff-bottom-badge {
  position: absolute;
  top: 6px; right: 16px;
  background: var(--g6ff-primary);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  min-width: 16px; height: 16px;
  border-radius: 8px;
  padding: 0 4px;
  display: flex; align-items: center; justify-content: center;
}

/* ===== Back to top ===== */
.g6ff-back-top {
  position: fixed;
  bottom: 72px; right: 12px;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--g6ff-accent);
  color: var(--g6ff-bg-deep);
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,229,255,0.4);
}

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

/* ===== Desktop: hide bottom nav, show centered layout ===== */
@media (min-width: 769px) {
  .g6ff-bottom-nav { display: none; }
  .g6ff-back-top { display: none; }
  body { max-width: 430px; border-left: 1px solid var(--g6ff-border); border-right: 1px solid var(--g6ff-border); }
}