/*
 * 55kk.click - Core stylesheet (theme-549b.css)
 * Vietnamese (VN) casino gaming portal.
 * All custom class names use the "g9bc-" prefix for namespace isolation.
 * Palette: #4B0082 (primary) | #0A0A0A (background); light text on dark backgrounds.
 */

:root {
  --g9bc-primary: #4B0082;
  --g9bc-primary-light: #6a1ab3;
  --g9bc-primary-dark: #2f0056;
  --g9bc-bg: #0A0A0A;
  --g9bc-bg-alt: #151023;
  --g9bc-text: #f5f3ff;
  --g9bc-text-muted: #b8a8d5;
  --g9bc-accent: #ffb627;
  --g9bc-accent-red: #ff4d5b;
  --g9bc-card: #1a1330;
  --g9bc-border: #2a1f4a;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html {
  font-size: 62.5%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "Segoe UI", Roboto, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  background: var(--g9bc-bg);
  color: var(--g9bc-text);
  font-size: 1.6rem;
  line-height: 1.5rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--g9bc-accent); text-decoration: none; }
a:hover { color: var(--g9bc-text); }
ul { list-style: none; padding: 0; margin: 0; }
h1, h2, h3 { margin: 0 0 1rem; line-height: 1.35; }
h1 { font-size: 2.4rem; }
h2 { font-size: 2.0rem; }
h3 { font-size: 1.7rem; }
p { margin: 0 0 1.2rem; }

/* ---------- Layout helpers ---------- */
.g9bc-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.4rem;
}
.g9bc-wrapper {
  min-height: 100vh;
}
.g9bc-grid {
  display: grid;
  gap: 1.2rem;
}

/* ---------- Header ---------- */
.g9bc-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(75,0,130,0.95) 0%, rgba(15,10,30,0.95) 100%);
  border-bottom: 1px solid var(--g9bc-border);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.g9bc-header-scrolled {
  background: rgba(10,10,10,0.98);
  box-shadow: 0 4px 18px rgba(0,0,0,0.55);
}
.g9bc-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  height: 60px;
  padding: 0 1.2rem;
}
.g9bc-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  font-size: 2.0rem;
  color: var(--g9bc-text);
  letter-spacing: 0.5px;
}
.g9bc-logo img {
  width: 30px; height: 30px;
  border-radius: 6px;
}
.g9bc-logo span {
  color: var(--g9bc-accent);
}
.g9bc-header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.g9bc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 38px;
  padding: 0 1.2rem;
  border: none;
  border-radius: 8px;
  font-size: 1.4rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.g9bc-btn:active { transform: scale(0.96); }
.g9bc-btn-register {
  background: linear-gradient(135deg, var(--g9bc-accent), #ff8a00);
  color: #1a1a1a;
  box-shadow: 0 3px 12px rgba(255,182,39,0.35);
}
.g9bc-btn-login {
  background: transparent;
  color: var(--g9bc-text);
  border: 1px solid var(--g9bc-primary-light);
}
.g9bc-menu-toggle {
  background: transparent;
  border: 0;
  color: var(--g9bc-text);
  font-size: 2.2rem;
  cursor: pointer;
  padding: 0 0.4rem;
}

/* Mobile dropdown menu */
.g9bc-mobile-menu {
  position: fixed;
  top: 60px; right: 0;
  width: 78%;
  max-width: 300px;
  background: var(--g9bc-bg-alt);
  border-left: 1px solid var(--g9bc-border);
  border-bottom: 1px solid var(--g9bc-border);
  transform: translateX(110%);
  transition: transform 0.28s ease;
  z-index: 9999;
  padding: 1rem 0;
  max-height: calc(100vh - 60px);
  overflow-y: auto;
}
.g9bc-menu-open {
  transform: translateX(0);
}
.g9bc-mobile-menu a {
  display: block;
  padding: 1.2rem 1.6rem;
  color: var(--g9bc-text);
  border-bottom: 1px solid rgba(75,0,130,0.25);
  font-size: 1.5rem;
}
.g9bc-mobile-menu a:hover { background: rgba(75,0,130,0.25); }
.g9bc-menu-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 9998;
}
.g9bc-menu-open ~ .g9bc-menu-overlay {
  opacity: 1; pointer-events: auto;
}

/* ---------- Main ---------- */
main {
  padding-top: 72px;
}
@media (max-width: 768px) {
  main { padding-bottom: 80px; }
}

.g9bc-section {
  padding: 2.2rem 0 1.6rem;
}
.g9bc-section-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.9rem;
  color: var(--g9bc-accent);
  margin-bottom: 1.2rem;
}
.g9bc-section-title i, .g9bc-section-title span.material-icons {
  font-size: 2.2rem;
  color: var(--g9bc-primary-light);
}

/* ---------- Carousel ---------- */
.g9bc-carousel {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 22px rgba(0,0,0,0.5);
}
.g9bc-carousel-track {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}
.g9bc-carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
  cursor: pointer;
}
.g9bc-carousel-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.g9bc-slide-active { opacity: 1; }
.g9bc-carousel-dots {
  position: absolute;
  bottom: 10px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 6px;
}
.g9bc-carousel-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  border: 0; cursor: pointer;
}
.g9bc-dot-active {
  background: var(--g9bc-accent);
  width: 18px; border-radius: 5px;
}

/* ---------- Hero intro ---------- */
.g9bc-hero {
  text-align: center;
  padding: 1.5rem 0;
}
.g9bc-hero h1 {
  background: linear-gradient(90deg, var(--g9bc-accent), #ffec82);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.g9bc-hero p {
  color: var(--g9bc-text-muted);
  font-size: 1.45rem;
}

/* ---------- Category tabs (visual only, no filter switch) ---------- */
.g9bc-cat-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.4rem;
}
.g9bc-cat-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  background: rgba(75,0,130,0.25);
  border: 1px solid var(--g9bc-primary-light);
  border-radius: 999px;
  font-size: 1.25rem;
  color: var(--g9bc-text);
}

/* ---------- Game grid ---------- */
.g9bc-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.g9bc-game-card {
  background: var(--g9bc-card);
  border: 1px solid var(--g9bc-border);
  border-radius: 10px;
  padding: 0.8rem;
  text-align: center;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}
.g9bc-game-card:hover {
  transform: translateY(-3px);
  border-color: var(--g9bc-accent);
  box-shadow: 0 6px 18px rgba(75,0,130,0.45);
}
.g9bc-game-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 0.5rem;
}
.g9bc-game-card-name {
  font-size: 1.15rem;
  color: var(--g9bc-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.g9bc-game-card-type {
  font-size: 1rem;
  color: var(--g9bc-accent);
  margin-top: 0.2rem;
}

/* ---------- Info / about box ---------- */
.g9bc-info-card {
  background: linear-gradient(135deg, rgba(75,0,130,0.35), rgba(10,10,10,0.6));
  border: 1px solid var(--g9bc-border);
  border-radius: 14px;
  padding: 1.6rem;
  margin-bottom: 1.4rem;
}
.g9bc-info-card p { color: var(--g9bc-text-muted); font-size: 1.4rem; }

/* ---------- Feature tiles ---------- */
.g9bc-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.g9bc-feature-tile {
  background: var(--g9bc-card);
  border: 1px solid var(--g9bc-border);
  border-radius: 12px;
  padding: 1.4rem 1rem;
  text-align: center;
}
.g9bc-feature-tile i, .g9bc-feature-tile span.material-icons {
  font-size: 2.8rem;
  color: var(--g9bc-accent);
}
.g9bc-feature-tile h3 { color: var(--g9bc-text); margin: 0.6rem 0 0.4rem; }
.g9bc-feature-tile p { color: var(--g9bc-text-muted); font-size: 1.2rem; margin: 0; }

/* ---------- FAQ ---------- */
.g9bc-faq details {
  background: var(--g9bc-card);
  border: 1px solid var(--g9bc-border);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-bottom: 0.8rem;
}
.g9bc-faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--g9bc-text);
  font-size: 1.45rem;
}
.g9bc-faq details[open] summary { color: var(--g9bc-accent); }
.g9bc-faq p { color: var(--g9bc-text-muted); font-size: 1.3rem; }

/* ---------- CTA ---------- */
.g9bc-cta {
  background: linear-gradient(135deg, var(--g9bc-primary), var(--g9bc-primary-dark));
  border-radius: 14px;
  padding: 2rem 1.4rem;
  text-align: center;
  margin: 1.6rem 0;
  border: 1px solid var(--g9bc-primary-light);
}
.g9bc-cta h2 { color: var(--g9bc-text); }
.g9bc-cta p { color: var(--g9bc-text-muted); font-size: 1.35rem; }
.g9bc-cta .g9bc-btn {
  margin-top: 1rem;
  padding: 0 2rem;
  min-height: 44px;
  font-size: 1.5rem;
}

/* ---------- Payment row ---------- */
.g9bc-payment-row {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
}
.g9bc-payment-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--g9bc-card);
  border: 1px solid var(--g9bc-border);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 1.2rem;
  color: var(--g9bc-text);
}

/* ---------- Footer ---------- */
.g9bc-footer {
  background: var(--g9bc-bg-alt);
  border-top: 1px solid var(--g9bc-border);
  padding: 2.2rem 1.4rem 1.4rem;
  color: var(--g9bc-text-muted);
}
.g9bc-footer-brand {
  font-weight: 700;
  color: var(--g9bc-text);
  margin-bottom: 0.8rem;
  font-size: 1.7rem;
}
.g9bc-footer p { font-size: 1.25rem; line-height: 1.6rem; }
.g9bc-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.6rem 1rem;
  margin: 1rem 0;
}
.g9bc-footer-links a {
  color: var(--g9bc-accent);
  font-size: 1.2rem;
  text-decoration: underline;
}
.g9bc-footer-copy {
  font-size: 1.1rem;
  color: var(--g9bc-text-muted);
  opacity: 0.85;
  margin-top: 1rem;
  text-align: center;
}

/* ---------- Bottom navigation (mobile only) ---------- */
.g9bc-bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1000;
  height: 62px;
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  background: linear-gradient(180deg, rgba(20,15,35,0.98), rgba(10,10,10,1));
  border-top: 1px solid var(--g9bc-border);
  box-shadow: 0 -4px 14px rgba(0,0,0,0.45);
}
.g9bc-bottom-nav-btn {
  flex: 1;
  min-width: 60px;
  min-height: 60px;
  background: transparent;
  border: 0;
  color: var(--g9bc-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 2px;
  transition: color 0.2s ease, transform 0.2s ease;
}
.g9bc-bottom-nav-btn i,
.g9bc-bottom-nav-btn span.material-icons,
.g9bc-bottom-nav-btn ion-icon {
  font-size: 22px;
}
.g9bc-bottom-nav-btn:active { transform: scale(0.92); }
.g9bc-nav-active {
  color: var(--g9bc-accent) !important;
}
.g9bc-nav-active::before {
  content: "";
  position: absolute;
  top: 0;
  width: 32px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--g9bc-accent);
}
.g9bc-bottom-nav-btn { position: relative; }

@media (min-width: 769px) {
  .g9bc-bottom-nav { display: none; }
  .g9bc-menu-toggle { display: none; }
  .g9bc-container { max-width: 720px; }
}