/* =============================================
   VWORLD OFFICIAL - Main Stylesheet
   Theme: Dark Casino, Purple Primary
   ============================================= */

:root {
  --primary: #8A62FF;
  --primary-dark: #6B44E0;
  --primary-light: #A880FF;
  --accent: #FFD700;
  --accent-light: #FFE44D;
  --bg-main: #0A0A14;
  --bg-card: #12122A;
  --bg-card2: #1A1A35;
  --bg-elevated: #1E1E3F;
  --border: rgba(138,98,255,0.2);
  --border-bright: rgba(138,98,255,0.5);
  --text-primary: #FFFFFF;
  --text-secondary: #B0AECF;
  --text-muted: #6B6990;
  --success: #00C896;
  --warning: #FF9900;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(138,98,255,0.15);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --transition: 0.25s ease;
  --header-height: 68px;
  --mobile-nav-height: 64px;
  --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.25; }
h1 { font-size: clamp(1.8rem, 5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p { color: var(--text-secondary); }

.section-title {
  text-align: center;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff 30%, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
}

/* =============================================
   LAYOUT
   ============================================= */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}
.section { padding: 4rem 0; }
.section-sm { padding: 2.5rem 0; }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(138,98,255,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(138,98,255,0.5);
}
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary-light);
  background: transparent;
}
.btn-outline:hover {
  background: rgba(138,98,255,0.1);
  color: #fff;
}
.btn-gold {
  background: linear-gradient(135deg, #FFD700, #FF9900);
  color: #0A0A14;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(255,215,0,0.4);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,215,0,0.5);
}
.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}
.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
}

/* =============================================
   HEADER / NAV
   ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10,10,20,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(10,10,20,0.98);
  box-shadow: 0 4px 32px rgba(0,0,0,0.5);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.logo img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-text { color: #fff; }
.logo-text span { color: var(--primary-light); }

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.desktop-nav a {
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.desktop-nav a:hover, .desktop-nav a.active {
  color: var(--primary-light);
  background: rgba(138,98,255,0.1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.lang-btn-desktop {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
  background: var(--bg-card);
  transition: var(--transition);
}
.lang-btn-desktop:hover { border-color: var(--primary); color: var(--primary-light); }

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* =============================================
   SIDE DRAWER
   ============================================= */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.drawer-overlay.open { opacity: 1; visibility: visible; }

.side-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100%;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  z-index: 1200;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.side-drawer.open { transform: translateX(0); }

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  min-height: 68px;
}
.drawer-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}
.drawer-close:hover { background: rgba(138,98,255,0.2); color: var(--primary-light); }

.drawer-nav { padding: 1rem 0; flex: 1; }
.drawer-nav a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.drawer-nav a:hover, .drawer-nav a.active {
  color: var(--primary-light);
  background: rgba(138,98,255,0.08);
  border-left-color: var(--primary);
}
.drawer-nav a svg { flex-shrink: 0; }

.drawer-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
}
.drawer-cta {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.drawer-cta .btn { flex: 1; justify-content: center; font-size: 0.875rem; }

.lang-toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: var(--transition);
}
.lang-toggle-btn:hover { background: rgba(138,98,255,0.15); color: var(--primary-light); }

/* =============================================
   LANGUAGE MODAL
   ============================================= */
.lang-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 1400;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.lang-modal-overlay.open { opacity: 1; visibility: visible; }

.lang-modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 2rem 1.5rem;
  width: 100%;
  max-width: 420px;
  border-top: 1px solid var(--border);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}
.lang-modal-overlay.open .lang-modal { transform: translateY(0); }
.lang-modal h3 { margin-bottom: 1.5rem; font-size: 1.1rem; }

.lang-options { display: flex; flex-direction: column; gap: 0.75rem; }
.lang-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}
.lang-option:hover, .lang-option.selected {
  border-color: var(--primary);
  background: rgba(138,98,255,0.1);
}
.lang-option .flag {
  width: 32px;
  height: 22px;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
  line-height: 0;
  font-size: 0;
}
.lang-option .lang-name { font-weight: 600; font-size: 0.95rem; }
.lang-option .lang-sub { color: var(--text-muted); font-size: 0.8rem; }
.lang-modal-close {
  margin-top: 1rem;
  width: 100%;
  padding: 0.875rem;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}
.lang-modal-close:hover { background: rgba(138,98,255,0.15); color: var(--primary-light); }

/* =============================================
   MOBILE BOTTOM NAV
   ============================================= */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mobile-nav-height);
  background: rgba(18,18,42,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  z-index: 900;
  padding: 0 0.5rem;
}
.mobile-nav-items {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  height: 100%;
  width: 100%;
}
.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0.25rem;
  color: var(--text-muted);
  font-size: 0.65rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.mobile-nav-item:hover, .mobile-nav-item.active { color: var(--primary-light); }
.mobile-nav-item.active svg { filter: drop-shadow(0 0 6px var(--primary)); }

.mobile-nav-login {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.8rem !important;
  color: #fff !important;
  margin: 0.5rem 0.25rem;
}
.mobile-nav-register {
  background: linear-gradient(135deg, #FFD700, #FF9900);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.8rem !important;
  color: #0A0A14 !important;
  margin: 0.5rem 0.25rem;
}

/* =============================================
   HERO BANNER SLIDER
   ============================================= */
.hero-section {
  margin-top: var(--header-height);
  position: relative;
  overflow: hidden;
  background: var(--bg-main);
}
.hero-slider {
  position: relative;
  width: 100%;
  height: clamp(240px, 45vw, 560px);
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
}
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-slide-overlay {
  position: absolute;
  inset: 0;
  /* Only a subtle bottom vignette — banner image text remains fully readable */
  background: linear-gradient(to top, rgba(10,10,20,0.65) 0%, rgba(10,10,20,0.1) 30%, transparent 55%);
  pointer-events: none;
}
/* Hide legacy hero text content — banners carry their own embedded text */
.hero-content { display: none; }
.hero-badge   { display: none; }
.hero-title   { display: none; }
.hero-subtitle{ display: none; }

/* CTA strip — floats at banner bottom, above the dots */
.hero-cta-strip {
  position: absolute;
  bottom: 3rem;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  padding: 0 1rem;
  pointer-events: none; /* let clicks pass through empty space */
}
.hero-cta-strip .btn {
  pointer-events: auto;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.slider-controls {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  gap: 0.5rem;
  z-index: 4;
}
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 4;
}
.slider-btn-prev { left: 1rem; }
.slider-btn-next { right: 1rem; }
.slider-btn:hover { background: rgba(138,98,255,0.5); border-color: var(--primary); }

.slider-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 4;
}
.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: var(--transition);
}
.slider-dot.active {
  background: var(--primary);
  width: 24px;
  border-radius: 4px;
}

/* =============================================
   MARQUEE / TICKER
   ============================================= */
.marquee-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0;
  overflow: hidden;
  position: relative;
}
.marquee-track {
  display: flex;
  animation: marquee-scroll 40s linear infinite;
  white-space: nowrap;
  gap: 3rem;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}
.marquee-item svg { color: var(--accent); flex-shrink: 0; }
@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* =============================================
   STATS BAR
   ============================================= */
.stats-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-x: 1px solid var(--border);
}
.stat-item {
  padding: 1.25rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.stat-label { font-size: 0.8rem; color: var(--text-muted); }

/* =============================================
   GAME SECTION
   ============================================= */
.games-section { background: var(--bg-main); }

.game-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.game-tabs::-webkit-scrollbar { display: none; }
.game-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.game-tab:hover, .game-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(138,98,255,0.4);
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.game-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #0d0d1f;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
  aspect-ratio: 3 / 2;
}
.game-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(138,98,255,0.35);
}
.game-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 6px;
  transition: transform 0.4s ease;
  display: block;
}
.game-card:hover img { transform: scale(1.08); }
.game-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,8,20,0.92) 0%, rgba(8,8,20,0.2) 45%, transparent 70%);
  display: flex;
  align-items: flex-end;
  padding: 0.6rem 0.7rem;
  opacity: 1;
  transition: var(--transition);
}
.game-card:hover .game-card-overlay {
  background: linear-gradient(to top, rgba(138,98,255,0.7) 0%, rgba(8,8,20,0.3) 55%, transparent 80%);
}
.game-card-name {
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
}
.game-hot-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  background: linear-gradient(135deg, #FF4444, #FF9900);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.game-new-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.load-more-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2.5rem auto 0;
}

/* =============================================
   FEATURES / WHY CHOOSE US
   ============================================= */
.features-section {
  background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-card) 100%);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 64px;
  height: 64px;
  background: rgba(138,98,255,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--primary-light);
}
.feature-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #fff;
}
.feature-desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* =============================================
   PROMOTIONS
   ============================================= */
.promos-section { background: var(--bg-card); }
.promos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.promo-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.promo-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(138,98,255,0.25);
  border-color: var(--border-bright);
}
.promo-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: linear-gradient(135deg, #FFD700, #FF9900);
  color: #0A0A14;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.3rem 0.75rem;
  border-radius: 50px;
  text-transform: uppercase;
}
.promo-image {
  height: 180px;
  overflow: hidden;
}
.promo-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.promo-card:hover .promo-image img { transform: scale(1.05); }
.promo-body { padding: 1.5rem; }
.promo-percent {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.promo-title { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 0.5rem; }
.promo-desc { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 1.25rem; line-height: 1.6; }

/* =============================================
   FAQ
   ============================================= */
.faq-section { background: var(--bg-main); }
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open {
  border-color: var(--border-bright);
  box-shadow: 0 4px 16px rgba(138,98,255,0.12);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  gap: 1rem;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary-light); }
.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: rgba(138,98,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  transition: transform 0.3s ease;
}
.faq-item.open .faq-icon { transform: rotate(180deg); background: var(--primary); color: #fff; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
}
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

/* =============================================
   SEO CONTENT SECTION
   ============================================= */
.seo-content-section {
  background: var(--bg-card);
}
.seo-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.seo-text h2 { margin-bottom: 1rem; }
.seo-text h3 {
  color: var(--primary-light);
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
}
.seo-text p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.8; margin-bottom: 0.75rem; }
.seo-text ul {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
}
.seo-text ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}
.seo-text ul li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary-light);
  border-radius: 50%;
  margin-top: 0.45em;
  flex-shrink: 0;
}
.seo-highlight-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.25rem 0;
}
.seo-highlight-box p { color: var(--text-secondary); font-size: 0.875rem; }

/* =============================================
   PROVIDERS / PARTNERS
   ============================================= */
.providers-section { background: var(--bg-main); }
.providers-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}
.provider-logo {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  min-width: 100px;
  transition: var(--transition);
  filter: grayscale(0.4) brightness(0.85);
}
.provider-logo:hover {
  border-color: var(--primary);
  filter: grayscale(0) brightness(1);
  box-shadow: 0 4px 16px rgba(138,98,255,0.2);
}
.provider-logo img {
  max-height: 36px;
  max-width: 120px;
  object-fit: contain;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-brand { }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
}
.footer-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.social-links { display: flex; gap: 0.75rem; }
.social-link {
  width: 40px;
  height: 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}
.social-link:hover {
  background: rgba(138,98,255,0.2);
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--primary-light); }

.footer-contact { }
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.contact-item svg { color: var(--primary-light); flex-shrink: 0; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copyright { color: var(--text-muted); font-size: 0.8rem; }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { color: var(--text-muted); font-size: 0.8rem; transition: var(--transition); }
.footer-legal a:hover { color: var(--primary-light); }
.responsible-gaming {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
}
.responsible-gaming svg { color: var(--success); }

/* =============================================
   PAGE HERO (inner pages)
   ============================================= */
.page-hero {
  margin-top: var(--header-height);
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(138,98,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero h1 { color: #fff; margin-bottom: 0.5rem; }
.page-hero p { color: var(--text-secondary); font-size: 1rem; }
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  list-style: none;
  padding: 0;
}
.breadcrumb li { display: inline-flex; align-items: center; }
.breadcrumb a { color: var(--text-muted); transition: var(--transition); }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb svg { width: 12px; height: 12px; }

/* =============================================
   LOGIN / REGISTER PAGES
   ============================================= */
.iframe-section { margin-top: var(--header-height); }
.iframe-topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.iframe-topbar-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.fullscreen-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
}
.fullscreen-btn:hover { background: var(--primary-dark); }
.iframe-container {
  width: 100%;
  height: calc(100vh - var(--header-height) - 56px);
  min-height: 600px;
}
.iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}
.iframe-seo-content {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}

/* =============================================
   TUTORIAL PAGE
   ============================================= */
.tutorial-categories {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.tutorial-cat-btn {
  padding: 0.5rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.tutorial-cat-btn:hover, .tutorial-cat-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.tutorial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.tutorial-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.tutorial-card-image {
  height: 200px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.tutorial-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.tutorial-card:hover .tutorial-card-image img { transform: scale(1.05); }
.tutorial-zoom-icon {
  position: absolute;
  inset: 0;
  background: rgba(138,98,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  color: #fff;
}
.tutorial-card:hover .tutorial-zoom-icon { opacity: 1; }
.tutorial-card-body { padding: 1.25rem; }
.tutorial-card-title { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 0.25rem; }
.tutorial-card-cat {
  font-size: 0.75rem;
  color: var(--primary-light);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 20px 80px rgba(0,0,0,0.8);
}
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  transition: var(--transition);
}
.lightbox-close:hover { background: rgba(138,98,255,0.4); }

/* =============================================
   BLOG PAGE
   ============================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.blog-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.blog-card-image {
  height: 200px;
  overflow: hidden;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.blog-card:hover .blog-card-image img { transform: scale(1.05); }
.blog-card-body { padding: 1.25rem; }
.blog-tag {
  display: inline-block;
  background: rgba(138,98,255,0.15);
  color: var(--primary-light);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.75rem;
  border-radius: 50px;
  margin-bottom: 0.75rem;
}
.blog-card-title { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 0.5rem; line-height: 1.4; }
.blog-card-excerpt { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 1rem; }
.blog-meta { display: flex; align-items: center; gap: 0.75rem; font-size: 0.8rem; color: var(--text-muted); }

/* =============================================
   AGENT PAGE
   ============================================= */
.agent-hero-content { max-width: 700px; margin: 0 auto; }
.agent-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.agent-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
}
.agent-step-num {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 1rem;
}
.agent-commission-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.agent-commission-table table { width: 100%; border-collapse: collapse; }
.agent-commission-table th, .agent-commission-table td {
  padding: 1rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.agent-commission-table th { background: var(--bg-elevated); color: var(--text-secondary); font-weight: 600; }
.agent-commission-table td { color: var(--text-secondary); }
.agent-commission-table tr:last-child td { border-bottom: none; }
.agent-commission-table tr:hover td { background: rgba(138,98,255,0.05); }
.highlight-rate { color: var(--primary-light); font-weight: 700; font-size: 1.05rem; }

/* =============================================
   CONTACT PAGE
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}
.contact-channels { display: flex; flex-direction: column; gap: 1rem; }
.contact-channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
}
.contact-channel:hover {
  border-color: var(--primary);
  background: rgba(138,98,255,0.08);
  transform: translateX(4px);
}
.contact-channel-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.channel-telegram { background: rgba(33,150,243,0.15); color: #2196F3; }
.channel-facebook { background: rgba(24,119,242,0.15); color: #1877F2; }
.channel-live { background: rgba(0,200,150,0.15); color: var(--success); }
.contact-channel-info h4 { font-size: 0.95rem; color: #fff; margin-bottom: 0.2rem; }
.contact-channel-info p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

/* =============================================
   PROMOTIONS PAGE
   ============================================= */
.promos-full-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.promo-full-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 220px 1fr;
  transition: var(--transition);
}
.promo-full-card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow);
}
.promo-full-image { overflow: hidden; }
.promo-full-image img { width: 100%; height: 100%; object-fit: cover; }
.promo-full-body { padding: 1.75rem; }
.promo-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.promo-term-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(138,98,255,0.1);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.promo-term-item svg { color: var(--primary-light); }

/* =============================================
   UTILITY CLASSES
   ============================================= */
.text-center { text-align: center; }
.text-primary { color: var(--primary-light); }
.text-gold { color: var(--accent); }
.text-success { color: var(--success); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.hidden { display: none !important; }

/* Game category filter */
.games-wrapper { display: block; }
.games-wrapper[data-category] .game-card { display: none; }
.games-wrapper[data-category="all"] .game-card { display: block; }

/* =============================================
   RESPONSIVE - TABLET
   ============================================= */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .seo-content-grid { grid-template-columns: 1fr; }
  .promos-full-grid { grid-template-columns: 1fr; }
  .promo-full-card { grid-template-columns: 160px 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .agent-steps { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-height: 60px; }

  /* Header */
  .desktop-nav, .lang-btn-desktop, .header-actions .btn { display: none; }
  .hamburger { display: flex; }
  .header-actions { gap: 0.5rem; }

  /* Mobile nav */
  .mobile-bottom-nav { display: flex; }
  body { padding-bottom: var(--mobile-nav-height); }

  /* Hero */
  .hero-cta-strip { bottom: 2.5rem; gap: 0.625rem; }
  .hero-cta-strip .btn { padding: 0.6rem 1.1rem; font-size: 0.875rem; }
  .slider-btn { width: 32px; height: 32px; }
  .slider-btn-prev { left: 0.5rem; }
  .slider-btn-next { right: 0.5rem; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  /* Games — 3:2 cards, 3 cols on tablet */
  .game-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }

  /* Features */
  .features-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .feature-card { padding: 1.25rem 1rem; }
  .feature-icon { width: 48px; height: 48px; }

  /* Promos */
  .promos-grid { grid-template-columns: 1fr; }

  /* FAQ */
  .faq-grid { grid-template-columns: 1fr; }

  /* Blog */
  .blog-grid { grid-template-columns: 1fr; }

  /* Agent */
  .agent-steps { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal { justify-content: center; flex-wrap: wrap; gap: 1rem; }

  /* Promo full */
  .promo-full-card { grid-template-columns: 1fr; }
  .promo-full-image { height: 180px; }

  /* Tutorial */
  .tutorial-grid { grid-template-columns: repeat(2, 1fr); }

  /* Login page - hide mobile bottom nav */
  .login-page .mobile-bottom-nav,
  .register-page .mobile-bottom-nav { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 0.875rem; }
  .section { padding: 2.5rem 0; }
  .game-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .tutorial-grid { grid-template-columns: 1fr; }
  .hero-slider { height: 220px; }
  .hero-cta-strip { bottom: 2rem; }
  .hero-cta-strip .btn { padding: 0.5rem 0.875rem; font-size: 0.8rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { padding: 1rem; }
  .stat-number { font-size: 1.25rem; }
}

/* =============================================
   SCROLL BAR
   ============================================= */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(138,98,255,0); }
  50% { box-shadow: 0 0 0 8px rgba(138,98,255,0.15); }
}
.animate-fade-up { animation: fadeInUp 0.6s ease forwards; }
.pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-elevated) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: skeleton-wave 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-wave {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Notice banner */
.notice-banner {
  background: linear-gradient(90deg, rgba(138,98,255,0.15), rgba(138,98,255,0.05));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.notice-banner svg { color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.notice-banner p { font-size: 0.875rem; color: var(--text-secondary); margin: 0; }

/* ═══════════════════════════════════════════════════════
   AI CHAT WIDGET – Sarah (VWorld Customer Service)
═══════════════════════════════════════════════════════ */
#vw-chat-root {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  touch-action: manipulation;
}

/* ── Bubble button ── */
#vw-chat-bubble {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #C850C0, #8A62FF);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(138, 98, 255, 0.5);
  color: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  margin-left: auto;
}

#vw-chat-bubble:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(138, 98, 255, 0.7);
}

#vw-unread-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #e05555;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #0d0d1a;
  animation: vw-badge-pop 0.3s ease;
}

@keyframes vw-badge-pop {
  0% { transform: scale(0); }
  70% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ── Chat window ── */
#vw-chat-window {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 340px;
  max-height: 520px;
  background: #16162a;
  border: 1px solid #2e2e55;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  transform: scale(0.85) translateY(20px);
  transform-origin: bottom right;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease;
}

#vw-chat-window.vw-open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}

/* ── Header ── */
#vw-chat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: linear-gradient(135deg, rgba(200, 80, 192, 0.2), rgba(138, 98, 255, 0.2));
  border-bottom: 1px solid #2e2e55;
  flex-shrink: 0;
}

#vw-chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #C850C0, #8A62FF);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

#vw-chat-header-info { flex: 1; min-width: 0; }

#vw-chat-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: #e8e8f0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#vw-chat-status {
  font-size: 0.72rem;
  color: #8888aa;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.1rem;
}

.vw-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4caf82;
  flex-shrink: 0;
  animation: vw-pulse 2s infinite;
}

@keyframes vw-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

#vw-chat-close-btn {
  background: transparent;
  border: none;
  color: #8888aa;
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  flex-shrink: 0;
}

#vw-chat-close-btn:hover { color: #e8e8f0; background: rgba(255,255,255,0.08); }

/* ── Messages area ── */
#vw-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  scroll-behavior: smooth;
}

#vw-chat-messages::-webkit-scrollbar { width: 4px; }
#vw-chat-messages::-webkit-scrollbar-track { background: transparent; }
#vw-chat-messages::-webkit-scrollbar-thumb { background: #2e2e55; border-radius: 2px; }

/* ── Message bubbles ── */
.vw-msg {
  display: flex;
  max-width: 88%;
}

.vw-msg-user { align-self: flex-end; justify-content: flex-end; }
.vw-msg-assistant { align-self: flex-start; }

.vw-bubble {
  padding: 0.65rem 0.9rem;
  border-radius: 14px;
  font-size: 0.875rem;
  line-height: 1.5;
  word-break: break-word;
}

.vw-msg-user .vw-bubble {
  background: linear-gradient(135deg, #8A62FF, #6a42df);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.vw-msg-assistant .vw-bubble {
  background: #1e1e38;
  color: #d8d8ea;
  border: 1px solid #2e2e55;
  border-bottom-left-radius: 4px;
}

.vw-bubble a {
  color: #a882ff;
  text-decoration: underline;
  word-break: break-all;
}

/* ── Typing indicator ── */
.vw-typing-bubble {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.75rem 1rem;
}

.vw-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #8888aa;
  animation: vw-bounce 1.2s infinite ease-in-out;
}

.vw-dot:nth-child(2) { animation-delay: 0.2s; }
.vw-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes vw-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.5; }
  40% { transform: translateY(-6px); opacity: 1; }
}

/* ── Input area ── */
#vw-chat-input-area {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid #2e2e55;
  background: #16162a;
  flex-shrink: 0;
}

#vw-chat-input {
  flex: 1;
  background: #1e1e38;
  border: 1px solid #2e2e55;
  border-radius: 10px;
  color: #e8e8f0;
  /* 16px+ prevents iOS Safari zooming the whole page on focus */
  font-size: 16px;
  font-family: inherit;
  padding: 0.55rem 0.8rem;
  resize: none;
  min-height: 40px;
  max-height: 100px;
  line-height: 1.45;
  transition: border-color 0.2s;
}

#vw-chat-input:focus {
  outline: none;
  border-color: #8A62FF;
}

#vw-chat-input::placeholder { color: #555577; }

#vw-chat-send {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #C850C0, #8A62FF);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.2s, transform 0.15s;
}

#vw-chat-send:hover { opacity: 0.88; transform: scale(1.05); }
#vw-chat-send:active { transform: scale(0.95); }

/* ── Mobile adjustments ── */
@media (max-width: 480px) {
  #vw-chat-root {
    bottom: 5.5rem; /* above mobile bottom nav */
    right: 0.75rem;
  }

  #vw-chat-window {
    width: calc(100vw - 1.5rem);
    right: 0;
    max-height: 72vh;
  }
}

/* ── Hide on login/register pages (handled in components.js) ── */
body.vw-no-chat #vw-chat-root { display: none; }