/*!
 * saraz.click - core base stylesheet
 * Prefix: wcb04- (all custom classes)
 * Language: Vietnamese (vi-VN)
 * All comments in English.
 * Mobile-first, container capped at 430px (see literal: max-width: 430px).
 */

:root {
  --wcb04-primary: #00FF7F;
  --wcb04-accent: #7FFF00;
  --wcb04-bg: #0F0F23;
  --wcb04-bg2: #161635;
  --wcb04-card: #1c1c3f;
  --wcb04-text: #D8BFD8;
  --wcb04-text-strong: #ffffff;
  --wcb04-sea: #2E8B57;
  --wcb04-border: rgba(0, 255, 127, 0.18);
  --wcb04-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
}

/* Base reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Be Vietnam Pro", "Segoe UI", Roboto, system-ui, sans-serif;
  background: linear-gradient(180deg, #0F0F23 0%, #14143a 100%);
  color: var(--wcb04-text);
  line-height: 1.5rem;
  font-size: 1.5rem;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--wcb04-primary); text-decoration: none; }

/* Layout containers */
.wcb04-wrapper {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  background: var(--wcb04-bg);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}
.wcb04-container {
  width: 100%;
  max-width: 430px;
  padding: 0 1.4rem;
  margin: 0 auto;
}

/* ===== Header ===== */
.wcb04-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(15, 15, 35, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--wcb04-border);
}
.wcb04-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5.6rem;
  padding: 0 1.2rem;
}
.wcb04-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--wcb04-text-strong);
  font-weight: 700;
  font-size: 1.8rem;
}
.wcb04-brand img { width: 28px; height: 28px; border-radius: 6px; }
.wcb04-brand .wcb04-brand-mark { color: var(--wcb04-primary); }

.wcb04-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.wcb04-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.2s;
  min-height: 36px;
}
.wcb04-btn:active { transform: scale(0.96); }
.wcb04-btn-primary {
  background: linear-gradient(135deg, var(--wcb04-primary), var(--wcb04-accent));
  color: #0F0F23;
  box-shadow: 0 4px 14px rgba(0, 255, 127, 0.35);
}
.wcb04-btn-ghost {
  background: transparent;
  color: var(--wcb04-text-strong);
  border: 1px solid var(--wcb04-border);
}
.wcb04-nav-toggle {
  background: transparent;
  border: 1px solid var(--wcb04-border);
  color: var(--wcb04-text-strong);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Expandable nav menu */
.wcb04-nav-menu {
  position: absolute;
  top: 5.6rem;
  left: 0;
  right: 0;
  background: var(--wcb04-bg2);
  border-bottom: 1px solid var(--wcb04-border);
  padding: 1rem 1.2rem;
  display: none;
  flex-direction: column;
  gap: 0.2rem;
  box-shadow: var(--wcb04-shadow);
}
.wcb04-nav-menu.wcb04-open { display: flex; }
.wcb04-nav-menu a {
  color: var(--wcb04-text-strong);
  padding: 0.9rem 0.6rem;
  border-radius: 8px;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.wcb04-nav-menu a:active { background: rgba(0, 255, 127, 0.1); }

/* ===== Slider ===== */
.wcb04-slider {
  position: relative;
  margin: 1.2rem 0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--wcb04-shadow);
}
.wcb04-slide { display: none; }
.wcb04-slide img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  cursor: pointer;
}
.wcb04-slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15, 15, 35, 0.7);
  border: none;
  color: var(--wcb04-text-strong);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wcb04-slider-arrow.wcb04-prev { left: 6px; }
.wcb04-slider-arrow.wcb04-next { right: 6px; }

/* ===== Sections ===== */
.wcb04-section { padding: 1.6rem 0; }
.wcb04-section-title {
  font-size: 1.9rem;
  color: var(--wcb04-text-strong);
  margin-bottom: 1rem;
  font-weight: 700;
  border-left: 4px solid var(--wcb04-primary);
  padding-left: 0.8rem;
}
.wcb04-h1 {
  font-size: 2.4rem;
  line-height: 1.3;
  color: var(--wcb04-text-strong);
  margin: 0.4rem 0 1rem;
  font-weight: 800;
}
.wcb04-lead {
  color: var(--wcb04-text);
  margin-bottom: 1rem;
  font-size: 1.45rem;
}
.wcb04-text-link {
  color: var(--wcb04-primary);
  font-weight: 700;
  border-bottom: 1px dashed rgba(0, 255, 127, 0.5);
}

/* ===== Game grid ===== */
.wcb04-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}
.wcb04-game {
  background: var(--wcb04-card);
  border-radius: 12px;
  padding: 0.6rem;
  text-align: center;
  border: 1px solid var(--wcb04-border);
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.2s;
}
.wcb04-game:active { transform: scale(0.95); border-color: var(--wcb04-primary); }
.wcb04-game img {
  width: 100%;
  height: 76px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 0.4rem;
}
.wcb04-game-name {
  font-size: 1.1rem;
  color: var(--wcb04-text-strong);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.wcb04-cat-label {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--wcb04-primary);
  text-transform: uppercase;
  margin: 1.2rem 0 0.6rem;
  letter-spacing: 0.05em;
}

/* Cards */
.wcb04-card {
  background: var(--wcb04-card);
  border: 1px solid var(--wcb04-border);
  border-radius: 14px;
  padding: 1.2rem;
  margin-bottom: 1rem;
  box-shadow: var(--wcb04-shadow);
}
.wcb04-card h2,
.wcb04-card h3 { color: var(--wcb04-text-strong); margin-bottom: 0.6rem; }
.wcb04-card h2 { font-size: 1.7rem; }
.wcb04-card h3 { font-size: 1.5rem; }
.wcb04-card p { margin-bottom: 0.6rem; font-size: 1.4rem; }
.wcb04-card ul { padding-left: 1.6rem; margin: 0.4rem 0; }
.wcb04-card li { margin-bottom: 0.4rem; font-size: 1.4rem; }

/* Feature / achievement lists */
.wcb04-features { display: grid; gap: 0.6rem; }
.wcb04-feature-row {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  padding: 0.8rem;
  background: rgba(0, 255, 127, 0.05);
  border-radius: 10px;
}
.wcb04-feature-row i { color: var(--wcb04-primary); font-size: 1.8rem; margin-top: 2px; }
.wcb04-feature-row strong { color: var(--wcb04-text-strong); }

/* Testimonial */
.wcb04-testimonial {
  background: var(--wcb04-card);
  border-left: 3px solid var(--wcb04-primary);
  padding: 0.9rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.7rem;
}
.wcb04-testimonial .wcb04-stars { color: #FFD54F; margin-bottom: 0.3rem; }
.wcb04-testimonial cite { display: block; margin-top: 0.4rem; color: var(--wcb04-text); font-size: 1.2rem; }

/* RTP table */
.wcb04-rtp-table { width: 100%; border-collapse: collapse; font-size: 1.25rem; }
.wcb04-rtp-table th, .wcb04-rtp-table td {
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--wcb04-border);
  text-align: left;
}
.wcb04-rtp-table th { color: var(--wcb04-primary); }
.wcb04-rtp-bar {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 2px;
}
.wcb04-rtp-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--wcb04-primary), var(--wcb04-accent));
}

/* Winners / payment */
.wcb04-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.wcb04-chip {
  background: rgba(0, 255, 127, 0.08);
  border: 1px solid var(--wcb04-border);
  color: var(--wcb04-text-strong);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* App download CTA */
.wcb04-app-cta {
  background: linear-gradient(135deg, rgba(46,139,87,0.35), rgba(0,255,127,0.15));
  border: 1px solid var(--wcb04-border);
  border-radius: 14px;
  padding: 1.2rem;
  text-align: center;
}
.wcb04-app-cta h3 { color: var(--wcb04-text-strong); margin-bottom: 0.6rem; }

/* Footer */
.wcb04-footer {
  background: var(--wcb04-bg2);
  border-top: 1px solid var(--wcb04-border);
  padding: 1.6rem 1.4rem 9rem;
  color: var(--wcb04-text);
  font-size: 1.3rem;
}
.wcb04-footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem;
  margin: 1rem 0;
}
.wcb04-footer-links a { color: var(--wcb04-text); font-size: 1.25rem; }
.wcb04-footer-links a:hover { color: var(--wcb04-primary); }
.wcb04-footer-promo {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.8rem 0;
}
.wcb04-footer-copy { margin-top: 1rem; color: var(--wcb04-text); font-size: 1.15rem; opacity: 0.7; }

/* ===== Mobile bottom navigation ===== */
.wcb04-bottomnav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 62px;
  background: rgba(15, 15, 35, 0.98);
  border-top: 1px solid var(--wcb04-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.45);
}
.wcb04-bottomnav-btn {
  flex: 1;
  min-width: 60px;
  min-height: 60px;
  background: transparent;
  border: none;
  color: var(--wcb04-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: color 0.2s, transform 0.12s;
}
.wcb04-bottomnav-btn i,
.wcb04-bottomnav-btn .material-icons-outlined,
.wcb04-bottomnav-btn ion-icon { font-size: 22px; }
.wcb04-bottomnav-btn:active { transform: scale(0.92); }
.wcb04-bottomnav-btn.wcb04-active { color: var(--wcb04-primary); }

/* Desktop: hide bottom nav, widen wrapper */
@media (min-width: 769px) {
  .wcb04-bottomnav { display: none; }
}
/* Mobile: reserve bottom padding so content is not covered */
@media (max-width: 768px) {
  main.wcb04-main { padding-bottom: 80px; }
  .wcb04-footer { padding-bottom: 9rem; }
}

/* Utility */
.wcb04-row { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.wcb04-mt { margin-top: 1rem; }
.wcb04-center { text-align: center; }
.wcb04-hidden-mobile { display: initial; }