/* OKLive design - all classes use gbf4- prefix */
:root {
  --gbf4-primary: #FFD700;
  --gbf4-gold: #FFEF94;
  --gbf4-sand: #F4A460;
  --gbf4-bg: #262626;
  --gbf4-bg2: #1c1c1c;
  --gbf4-bg3: #333333;
  --gbf4-text: #FFEF94;
  --gbf4-text-light: #fff8dc;
  --gbf4-muted: #c9b27a;
  --gbf4-danger: #e04848;
  --gbf4-success: #4caf50;
  --gbf4-radius: 12px;
  --gbf4-shadow: 0 4px 14px rgba(0,0,0,.45);
  --gbf4-header-h: 56px;
  --gbf4-bottomnav-h: 62px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--gbf4-bg);
  color: var(--gbf4-text-light);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--gbf4-primary); text-decoration: none; }
ul { list-style: none; }

/* ===== Header ===== */
.gbf4-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  max-width: 430px; margin: 0 auto;
  height: var(--gbf4-header-h);
  background: linear-gradient(180deg, #2f2f2f, var(--gbf4-bg));
  border-bottom: 2px solid var(--gbf4-primary);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.2rem;
}
.gbf4-logo { display: flex; align-items: center; gap: .6rem; color: var(--gbf4-gold); font-weight: 800; font-size: 1.7rem; }
.gbf4-logo img { width: 30px; height: 30px; border-radius: 6px; }
.gbf4-header-actions { display: flex; align-items: center; gap: .6rem; }
.gbf4-menu-btn {
  background: transparent; border: 0; color: var(--gbf4-gold); font-size: 2.2rem; cursor: pointer;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
}

.gbf4-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  border: 0; border-radius: 20px; padding: .7rem 1.2rem; font-size: 1.3rem; font-weight: 700;
  cursor: pointer; min-height: 36px; transition: transform .15s, box-shadow .15s;
}
.gbf4-btn:active { transform: scale(.96); }
.gbf4-btn-register { background: linear-gradient(90deg, var(--gbf4-primary), var(--gbf4-sand)); color: #2a1d05; }
.gbf4-btn-login { background: transparent; color: var(--gbf4-gold); border: 1.5px solid var(--gbf4-primary); }
.gbf4-btn-promo { background: linear-gradient(90deg, var(--gbf4-sand), var(--gbf4-primary)); color: #2a1d05; width: 100%; padding: 1rem; font-size: 1.5rem; }

/* ===== Mobile menu (expandable) ===== */
.gbf4-mobile-menu {
  position: fixed; top: var(--gbf4-header-h); left: 0; right: 0; z-index: 9999;
  max-width: 430px; margin: 0 auto;
  background: var(--gbf4-bg2);
  max-height: 0; overflow: hidden; transition: max-height .3s ease;
  border-bottom: 2px solid var(--gbf4-primary);
}
.gbf4-mobile-menu ul { padding: 1rem 1.2rem; }
.gbf4-mobile-menu li { border-bottom: 1px solid #3a3a3a; }
.gbf4-mobile-menu li:last-child { border-bottom: 0; }
.gbf4-mobile-menu a { display: block; padding: 1.1rem 1rem; color: var(--gbf4-text-light); font-size: 1.4rem; }
.gbf4-mobile-menu a:active { background: var(--gbf4-bg3); }

/* ===== Main / sections ===== */
.gbf4-main { padding-top: calc(var(--gbf4-header-h) + 8px); padding-bottom: 0; }
.gbf4-section { padding: 2rem 1.2rem; }
.gbf4-section-title {
  font-size: 1.9rem; color: var(--gbf4-primary); margin-bottom: 1.2rem; font-weight: 800;
  border-left: 4px solid var(--gbf4-sand); padding-left: .8rem;
}
.gbf4-h1 {
  font-size: 2.1rem; color: var(--gbf4-gold); font-weight: 800; line-height: 1.3;
  padding: 1.5rem 1.2rem .5rem;
}
.gbf4-subtitle { color: var(--gbf4-muted); padding: 0 1.2rem 1rem; font-size: 1.35rem; }

/* ===== Carousel ===== */
.gbf4-carousel { position: relative; margin: 1rem 1.2rem; border-radius: var(--gbf4-radius); overflow: hidden; box-shadow: var(--gbf4-shadow); }
.gbf4-carousel-track { position: relative; height: 180px; }
.gbf4-carousel-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .5s; cursor: pointer;
}
.gbf4-carousel-slide.gbf4-slide-active { opacity: 1; }
.gbf4-carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.gbf4-carousel-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 1rem; font-weight: 700; color: #fff;
  background: linear-gradient(0deg, rgba(0,0,0,.8), transparent);
}
.gbf4-carousel-dots { position: absolute; bottom: 8px; left: 0; right: 0; display: flex; justify-content: center; gap: 6px; }
.gbf4-carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.45); border: 0; cursor: pointer; }
.gbf4-carousel-dot.gbf4-dot-active { background: var(--gbf4-primary); }

/* ===== Game grid ===== */
.gbf4-cat-title { color: var(--gbf4-sand); font-size: 1.6rem; font-weight: 800; margin: 1.8rem 0 1rem; padding-left: 1.2rem; border-left: 3px solid var(--gbf4-primary); }
.gbf4-game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; padding: 0 1.2rem; }
.gbf4-game-card {
  background: var(--gbf4-bg3); border-radius: 10px; overflow: hidden; cursor: pointer;
  transition: transform .15s; border: 1px solid #3f3f3f; display: block;
}
.gbf4-game-card:active { transform: scale(.95); }
.gbf4-game-card img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.gbf4-game-card .gbf4-game-name { font-size: 1.1rem; color: var(--gbf4-gold); padding: .5rem .4rem; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ===== Cards / modules ===== */
.gbf4-card { background: var(--gbf4-bg2); border-radius: var(--gbf4-radius); padding: 1.4rem; margin-bottom: 1.2rem; border: 1px solid #3a3a3a; }
.gbf4-card h3 { color: var(--gbf4-primary); font-size: 1.5rem; margin-bottom: .6rem; }
.gbf4-card p { color: var(--gbf4-text-light); font-size: 1.3rem; margin-bottom: .6rem; }
.gbf4-card a { color: var(--gbf4-primary); font-weight: 700; }

.gbf4-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
.gbf4-feature-item { background: var(--gbf4-bg3); border-radius: 10px; padding: 1rem; text-align: center; }
.gbf4-feature-item .material-icons, .gbf4-feature-item .fas, .gbf4-feature-item .far { font-size: 26px; color: var(--gbf4-primary); }
.gbf4-feature-item span.lbl { display: block; margin-top: .4rem; font-size: 1.15rem; color: var(--gbf4-gold); }

.gbf4-faq details { background: var(--gbf4-bg2); border-radius: 8px; padding: 1rem; margin-bottom: .6rem; border: 1px solid #3a3a3a; }
.gbf4-faq summary { cursor: pointer; font-weight: 700; color: var(--gbf4-primary); font-size: 1.3rem; }
.gbf4-faq p { margin-top: .6rem; color: var(--gbf4-text-light); font-size: 1.25rem; }

.gbf4-testi { display: grid; grid-template-columns: 1fr; gap: .8rem; }
.gbf4-testi-item { background: var(--gbf4-bg2); border-left: 3px solid var(--gbf4-sand); border-radius: 8px; padding: 1rem; }
.gbf4-testi-item .name { color: var(--gbf4-primary); font-weight: 700; font-size: 1.25rem; }
.gbf4-testi-item .stars { color: var(--gbf4-primary); font-size: 1.2rem; }
.gbf4-testi-item p { font-size: 1.2rem; color: var(--gbf4-text-light); margin-top: .3rem; }

.gbf4-pay { display: flex; flex-wrap: wrap; gap: .6rem; }
.gbf4-pay span { background: var(--gbf4-bg3); border-radius: 6px; padding: .6rem .9rem; color: var(--gbf4-gold); font-size: 1.15rem; border: 1px solid #444; }

.gbf4-winners { display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem; }
.gbf4-winner { background: var(--gbf4-bg2); border-radius: 8px; padding: .8rem; font-size: 1.15rem; }
.gbf4-winner .amt { color: var(--gbf4-primary); font-weight: 800; }
.gbf4-winner .who { color: var(--gbf4-muted); font-size: 1.05rem; }

.gbf4-cta { text-align: center; padding: 2rem 1.2rem; background: linear-gradient(135deg, #3a2e10, var(--gbf4-bg)); }
.gbf4-cta h2 { color: var(--gbf4-gold); font-size: 2rem; margin-bottom: .8rem; }
.gbf4-cta p { color: var(--gbf4-text-light); margin-bottom: 1.2rem; }

.gbf4-seo-text { padding: 1rem 1.2rem 2rem; font-size: 1.25rem; color: var(--gbf4-text-light); }
.gbf4-seo-text h2 { color: var(--gbf4-primary); font-size: 1.6rem; margin: 1.2rem 0 .5rem; }
.gbf4-seo-text h3 { color: var(--gbf4-sand); font-size: 1.4rem; margin: 1rem 0 .4rem; }
.gbf4-seo-text p { margin-bottom: .7rem; }

/* ===== Footer ===== */
.gbf4-footer { background: var(--gbf4-bg2); padding: 2rem 1.2rem 1rem; border-top: 2px solid var(--gbf4-primary); }
.gbf4-footer p { color: var(--gbf4-muted); font-size: 1.2rem; margin-bottom: 1rem; }
.gbf4-footer-links { display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; margin-bottom: 1.2rem; }
.gbf4-footer-links a { color: var(--gbf4-gold); font-size: 1.2rem; text-decoration: underline; }
.gbf4-footer-promos { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.2rem; }
.gbf4-footer-promos a { background: linear-gradient(90deg, var(--gbf4-primary), var(--gbf4-sand)); color: #2a1d05; text-align: center; padding: .8rem; border-radius: 20px; font-weight: 700; }
.gbf4-footer-copy { text-align: center; color: var(--gbf4-muted); font-size: 1.1rem; padding-top: 1rem; border-top: 1px solid #3a3a3a; }

/* ===== Bottom nav ===== */
.gbf4-bottomnav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  max-width: 430px; margin: 0 auto;
  height: var(--gbf4-bottomnav-h);
  background: linear-gradient(180deg, #2f2f2f, #1a1a1a);
  border-top: 2px solid var(--gbf4-primary);
  display: flex; justify-content: space-around; align-items: center;
}
.gbf4-bottomnav-btn {
  flex: 1; min-width: 60px; min-height: 60px; background: transparent; border: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  color: var(--gbf4-gold); cursor: pointer; transition: transform .15s, color .15s;
}
.gbf4-bottomnav-btn:active { transform: scale(.9); }
.gbf4-bottomnav-btn .material-icons, .gbf4-bottomnav-btn .fas, .gbf4-bottomnav-btn .far, .gbf4-bottomnav-btn .ionicon { font-size: 24px; }
.gbf4-bottomnav-btn .lbl { font-size: 11px; color: var(--gbf4-text-light); }
.gbf4-bottomnav-active { color: var(--gbf4-primary); }
.gbf4-bottomnav-active .lbl { color: var(--gbf4-primary); }

/* ===== Reveal animation ===== */
.gbf4-reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s, transform .5s; }
.gbf4-reveal.gbf4-revealed { opacity: 1; transform: translateY(0); }

/* ===== Mobile padding for bottom nav ===== */
@media (max-width: 768px) {
  .gbf4-main { padding-bottom: calc(var(--gbf4-bottomnav-h) + 12px); }
  .gbf4-footer { padding-bottom: calc(var(--gbf4-bottomnav-h) + 1rem); }
}

/* ===== Desktop: hide bottom nav, widen layout ===== */
@media (min-width: 769px) {
  .gbf4-bottomnav { display: none; }
  body { max-width: 430px; }
}