/* ==========================================================
   3win new - theme stylesheet (prefix: uib7-)
   Language: Vietnamese | Mobile-first HTML5
   Comments in English only.
   ========================================================== */

:root {
  --uib7-bg: #141414;
  --uib7-bg-2: #1c1c20;
  --uib7-bg-3: #242429;
  --uib7-text: #F5F5F5;
  --uib7-text-dim: #b9b9c4;
  --uib7-primary: #FFD700;
  --uib7-accent: #B0E0E6;
  --uib7-accent-2: #5fc9d6;
  --uib7-danger: #ff5a5f;
  --uib7-success: #36d399;
  --uib7-border: rgba(176, 224, 230, 0.18);
  --uib7-radius: 14px;
  --uib7-shadow: 0 6px 22px rgba(0, 0, 0, 0.45);
  --uib7-header-h: 58px;
  --uib7-bottom-h: 62px;
  --uib7-max-w: 430px;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

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

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", system-ui, sans-serif;
  background: var(--uib7-bg);
  color: var(--uib7-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: var(--uib7-max-w);
  margin: 0 auto;
  overflow-x: hidden;
  position: relative;
}

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

a { color: var(--uib7-accent); text-decoration: none; }

/* ---------- Layout ---------- */
.uib7-wrapper { width: 100%; max-width: var(--uib7-max-w); margin: 0 auto; }

.uib7-container { padding: 0 1.2rem; width: 100%; }

main.uib7-main { padding-top: calc(var(--uib7-header-h) + 6px); padding-bottom: 0; }

@media (max-width: 768px) {
  main.uib7-main { padding-bottom: calc(var(--uib7-bottom-h) + 16px); }
}

/* ---------- Header ---------- */
.uib7-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--uib7-header-h);
  background: linear-gradient(180deg, #1a1a1f 0%, #141414 100%);
  border-bottom: 1px solid var(--uib7-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.uib7-header-inner {
  width: 100%;
  max-width: var(--uib7-max-w);
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.uib7-logo {
  display: flex; align-items: center; gap: 0.6rem;
  flex: 1; min-width: 0;
}

.uib7-logo img { width: 30px; height: 30px; border-radius: 8px; }

.uib7-logo-text {
  font-weight: 800;
  font-size: 1.7rem;
  color: var(--uib7-primary);
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.uib7-logo-text span { color: var(--uib7-accent); }

.uib7-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.3rem;
  padding: 0.7rem 1.1rem;
  border-radius: 10px;
  transition: transform 0.15s ease, opacity 0.15s ease;
  min-height: 38px;
}

.uib7-btn:active { transform: scale(0.94); }

.uib7-btn-primary {
  background: linear-gradient(135deg, #FFD700 0%, #ffac33 100%);
  color: #141414;
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.35);
}

.uib7-btn-outline {
  background: transparent;
  color: var(--uib7-accent);
  border: 1px solid var(--uib7-accent);
}

.uib7-btn-danger {
  background: linear-gradient(135deg, #ff5a5f 0%, #d63031 100%);
  color: #fff;
}

.uib7-menu-btn {
  background: transparent;
  border: none;
  color: var(--uib7-text);
  font-size: 1.9rem;
  cursor: pointer;
  width: 38px; height: 38px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}

.uib7-menu-btn:active { background: rgba(255,255,255,0.06); }

/* ---------- Slide-down nav menu ---------- */
.uib7-nav-menu {
  position: fixed;
  top: var(--uib7-header-h);
  left: 0; right: 0;
  background: #16161a;
  border-bottom: 1px solid var(--uib7-border);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
  z-index: 9999;
}

.uib7-nav-menu.uib7-open { max-height: 420px; }

.uib7-nav-list { list-style: none; padding: 0.6rem 1rem; }

.uib7-nav-list li a {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 0.6rem;
  color: var(--uib7-text);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 1.4rem;
}

.uib7-nav-list li:last-child a { border-bottom: none; }

.uib7-nav-list li a i { color: var(--uib7-primary); width: 22px; text-align: center; }

.uib7-nav-list li a:active { background: rgba(255,255,255,0.04); }

/* ---------- Carousel ---------- */
.uib7-carousel {
  position: relative;
  width: 100%;
  border-radius: 0 0 18px 18px;
  overflow: hidden;
  margin-bottom: 1.2rem;
}

.uib7-slides { display: flex; transition: transform 0.45s ease; }

.uib7-slide {
  min-width: 100%;
  position: relative;
}

.uib7-slide img { width: 100%; height: 180px; object-fit: cover; }

.uib7-slide-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1rem;
  background: linear-gradient(0deg, rgba(0,0,0,0.78) 0%, transparent 100%);
  color: #fff;
}

.uib7-slide-cap h3 { font-size: 1.7rem; color: var(--uib7-primary); margin-bottom: 0.2rem; }

.uib7-slide-cap p { font-size: 1.2rem; color: var(--uib7-text); }

.uib7-dots {
  position: absolute;
  bottom: 8px; right: 12px;
  display: flex; gap: 6px;
}

.uib7-dots span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
}

.uib7-dots span.uib7-active { background: var(--uib7-primary); width: 18px; border-radius: 4px; }

/* ---------- Sections ---------- */
.uib7-section { padding: 1.4rem 0; }

.uib7-section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem;
}

.uib7-section-title {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--uib7-text);
  display: flex; align-items: center; gap: 0.6rem;
}

.uib7-section-title i { color: var(--uib7-primary); }

.uib7-section-title em { color: var(--uib7-primary); font-style: normal; }

.uib7-section-more { color: var(--uib7-accent); font-size: 1.2rem; }

.uib7-card {
  background: var(--uib7-bg-2);
  border: 1px solid var(--uib7-border);
  border-radius: var(--uib7-radius);
  padding: 1.2rem;
  box-shadow: var(--uib7-shadow);
}

/* ---------- Game grid ---------- */
.uib7-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}

.uib7-game-item {
  text-align: center;
  cursor: pointer;
  background: var(--uib7-bg-2);
  border-radius: 12px;
  padding: 0.5rem 0.4rem 0.6rem;
  border: 1px solid var(--uib7-border);
  transition: transform 0.15s ease, border-color 0.15s ease;
  overflow: hidden;
}

.uib7-game-item:active { transform: scale(0.95); border-color: var(--uib7-primary); }

.uib7-game-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 0.4rem;
  background: #0d0d10;
}

.uib7-game-img-wrap img { width: 100%; height: 100%; object-fit: cover; }

.uib7-game-hot {
  position: absolute; top: 4px; left: 4px;
  background: var(--uib7-danger);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 6px;
  line-height: 1.1;
}

.uib7-game-name {
  font-size: 1.05rem;
  color: var(--uib7-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
}

/* ---------- Hero CTA / promo banner ---------- */
.uib7-hero {
  background: linear-gradient(135deg, #2a2118 0%, #141414 60%);
  border: 1px solid var(--uib7-border);
  border-radius: 16px;
  padding: 1.4rem;
  text-align: center;
  margin-bottom: 1.2rem;
}

.uib7-hero h2 { color: var(--uib7-primary); font-size: 2rem; margin-bottom: 0.6rem; }

.uib7-hero p { color: var(--uib7-text-dim); font-size: 1.25rem; margin-bottom: 1rem; }

.uib7-promo-link {
  color: var(--uib7-primary);
  font-weight: 800;
  cursor: pointer;
  text-decoration: underline;
}

.uib7-banner-strip {
  background: linear-gradient(90deg, #FFD700 0%, #ffac33 100%);
  color: #141414;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  text-align: center;
  font-weight: 700;
  margin: 1rem 0;
  font-size: 1.3rem;
}

/* ---------- Info modules ---------- */
.uib7-info-list { list-style: none; }

.uib7-info-list li {
  padding: 0.8rem 0;
  border-bottom: 1px dashed rgba(255,255,255,0.08);
  display: flex; gap: 0.8rem; align-items: flex-start;
}

.uib7-info-list li i { color: var(--uib7-primary); margin-top: 0.2rem; }

.uib7-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.uib7-feature {
  background: var(--uib7-bg-2);
  border: 1px solid var(--uib7-border);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}

.uib7-feature i { font-size: 2.4rem; color: var(--uib7-accent); margin-bottom: 0.4rem; }

.uib7-feature h4 { color: var(--uib7-primary); font-size: 1.3rem; margin-bottom: 0.3rem; }

.uib7-feature p { color: var(--uib7-text-dim); font-size: 1.1rem; }

/* ---------- Testimonials ---------- */
.uib7-testi {
  background: var(--uib7-bg-2);
  border-left: 3px solid var(--uib7-primary);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 0.8rem;
}

.uib7-testi p { font-style: italic; color: var(--uib7-text); margin-bottom: 0.4rem; font-size: 1.2rem; }

.uib7-testi .uib7-testi-by { color: var(--uib7-accent); font-size: 1.1rem; font-weight: 700; }

/* ---------- Payment / winners ---------- */
.uib7-pay-row, .uib7-winner-row {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
}

.uib7-pay-chip {
  background: var(--uib7-bg-3);
  border: 1px solid var(--uib7-border);
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
  font-size: 1.1rem;
  color: var(--uib7-text);
  display: inline-flex; align-items: center; gap: 0.4rem;
}

.uib7-winner-row {
  flex-direction: column;
}

.uib7-winner {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--uib7-bg-2);
  border: 1px solid var(--uib7-border);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  font-size: 1.2rem;
}

.uib7-winner span:last-child { color: var(--uib7-success); font-weight: 700; }

/* ---------- FAQ ---------- */
.uib7-faq-item {
  border-bottom: 1px solid var(--uib7-border);
  padding: 0.6rem 0;
}

.uib7-faq-item h4 {
  font-size: 1.3rem; color: var(--uib7-accent);
  margin-bottom: 0.3rem;
  display: flex; align-items: flex-start; gap: 0.4rem;
}

.uib7-faq-item p { font-size: 1.2rem; color: var(--uib7-text-dim); }

/* ---------- Footer ---------- */
.uib7-footer {
  background: #0e0e12;
  border-top: 1px solid var(--uib7-border);
  padding: 1.6rem 1.2rem 2rem;
  margin-top: 1.4rem;
}

.uib7-footer-brand { color: var(--uib7-text-dim); font-size: 1.15rem; margin-bottom: 1rem; }

.uib7-footer-promo {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.2rem;
}

.uib7-footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem 0.8rem;
  margin-bottom: 1rem;
}

.uib7-footer-links a {
  color: var(--uib7-text-dim);
  font-size: 1.1rem;
}

.uib7-footer-copy {
  color: #6a6a78; font-size: 1.05rem; text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 0.8rem;
}

/* ---------- Mobile bottom nav ---------- */
.uib7-bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--uib7-bottom-h);
  background: linear-gradient(180deg, #1a1a1f 0%, #0e0e12 100%);
  border-top: 1px solid var(--uib7-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -4px 14px rgba(0,0,0,0.4);
}

.uib7-bottom-nav a, .uib7-bottom-nav button {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--uib7-text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 60px;
  min-height: 60px;
  font-size: 1rem;
  cursor: pointer;
  transition: color 0.15s ease, transform 0.15s ease;
  text-decoration: none;
}

.uib7-bottom-nav a i,
.uib7-bottom-nav button i { font-size: 22px; }

.uib7-bottom-nav a:active,
.uib7-bottom-nav button:active { transform: scale(0.9); }

.uib7-bottom-nav .uib7-active { color: var(--uib7-primary); }

.uib7-bottom-nav .uib7-bn-promo { color: var(--uib7-primary); }

.uib7-bottom-nav .uib7-bn-badge {
  position: absolute;
  top: 8px;
  background: var(--uib7-danger);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 8px;
  padding: 0 4px;
  line-height: 1.3;
}

.uib7-bn-item { position: relative; }

@media (min-width: 769px) {
  .uib7-bottom-nav { display: none; }
}

/* ---------- Utility ---------- */
.uib7-text-accent { color: var(--uib7-accent); }
.uib7-text-gold { color: var(--uib7-primary); font-weight: 700; }
.uib7-text-center { text-align: center; }
.uib7-mt-1 { margin-top: 0.6rem; }
.uib7-mt-2 { margin-top: 1.2rem; }
.uib7-row { display: flex; gap: 0.8rem; align-items: center; }
.uib7-p { color: var(--uib7-text-dim); font-size: 1.2rem; margin-bottom: 0.6rem; }