:root {
  color-scheme: dark;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  --bg-start: #0a0d1a;
  --bg-end: #12162b;
  --surface: rgba(18, 22, 43, 0.85);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);
  --text: #e8edff;
  --text-muted: #8892b8;
  --text-dim: #5a6380;
  --accent-gradient: linear-gradient(135deg, #ff9f1a, #ff4d6d);
  --accent-color: #ffd600;
  --accent-glow: rgba(255, 215, 0, 0.25);
  --xp-gradient: linear-gradient(90deg, #ffd600, #ff9f1a);
  --shimmer-gradient: linear-gradient(135deg, #ff9f1a 0%, #ffd700 25%, #ff4d6d 50%, #ffd700 75%, #ff9f1a 100%);
  --danger-bg: #e6223e;
  --success-color: #22c55e;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.25);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.35);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.45);
  --transition: 0.2s cubic-bezier(.22,1,.36,1);
}

[data-theme="neon"] {
  --accent-gradient: linear-gradient(135deg, #00ffff, #ff00ff);
  --accent-color: #00ffff;
  --accent-glow: rgba(0, 255, 255, 0.25);
  --xp-gradient: linear-gradient(90deg, #00ffff, #ff00ff);
  --shimmer-gradient: linear-gradient(135deg, #00ffff 0%, #88ffff 25%, #ff00ff 50%, #88ffff 75%, #00ffff 100%);
  --danger-bg: #ff00ff;
  --success-color: #00ff88;
}
[data-theme="purple"] {
  --accent-gradient: linear-gradient(135deg, #a855f7, #7c3aed);
  --accent-color: #a855f7;
  --accent-glow: rgba(168, 85, 247, 0.25);
  --xp-gradient: linear-gradient(90deg, #a855f7, #7c3aed);
  --shimmer-gradient: linear-gradient(135deg, #a855f7 0%, #c084fc 25%, #7c3aed 50%, #c084fc 75%, #a855f7 100%);
  --danger-bg: #dc2626;
  --success-color: #a78bfa;
}
[data-theme="ocean"] {
  --accent-gradient: linear-gradient(135deg, #06b6d4, #0891b2);
  --accent-color: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.25);
  --xp-gradient: linear-gradient(90deg, #06b6d4, #0891b2);
  --shimmer-gradient: linear-gradient(135deg, #06b6d4 0%, #67e8f9 25%, #0891b2 50%, #67e8f9 75%, #06b6d4 100%);
  --danger-bg: #e11d48;
  --success-color: #2dd4bf;
}
[data-theme="midnight"] {
  --accent-gradient: linear-gradient(135deg, #6366f1, #4338ca);
  --accent-color: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --xp-gradient: linear-gradient(90deg, #818cf8, #6366f1);
  --shimmer-gradient: linear-gradient(135deg, #6366f1 0%, #a5b4fc 25%, #4338ca 50%, #a5b4fc 75%, #6366f1 100%);
  --danger-bg: #ef4444;
  --success-color: #34d399;
}
[data-theme="forest"] {
  --accent-gradient: linear-gradient(135deg, #22c55e, #15803d);
  --accent-color: #4ade80;
  --accent-glow: rgba(34, 197, 94, 0.25);
  --xp-gradient: linear-gradient(90deg, #4ade80, #22c55e);
  --shimmer-gradient: linear-gradient(135deg, #22c55e 0%, #86efac 25%, #15803d 50%, #86efac 75%, #22c55e 100%);
  --danger-bg: #dc2626;
  --success-color: #22c55e;
}
[data-theme="sunset"] {
  --accent-gradient: linear-gradient(135deg, #fb923c, #dc2626);
  --accent-color: #fb923c;
  --accent-glow: rgba(251, 146, 60, 0.25);
  --xp-gradient: linear-gradient(90deg, #fb923c, #dc2626);
  --shimmer-gradient: linear-gradient(135deg, #fb923c 0%, #fdba74 25%, #dc2626 50%, #fdba74 75%, #fb923c 100%);
  --danger-bg: #b91c1c;
  --success-color: #fbbf24;
}
[data-theme="candy"] {
  --accent-gradient: linear-gradient(135deg, #ec4899, #8b5cf6);
  --accent-color: #f472b6;
  --accent-glow: rgba(236, 72, 153, 0.25);
  --xp-gradient: linear-gradient(90deg, #f472b6, #ec4899);
  --shimmer-gradient: linear-gradient(135deg, #ec4899 0%, #f9a8d4 25%, #8b5cf6 50%, #f9a8d4 75%, #ec4899 100%);
  --danger-bg: #e11d48;
  --success-color: #a78bfa;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(ellipse at 20% 0%, #1a1f3a 0%, var(--bg-start) 50%, var(--bg-end) 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  max-width: 920px;
  margin: 0 auto;
  padding: 20px;
}

/* --- Ambient glow behind cards --- */
main { position: relative; }
main::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, var(--accent-glow) 0%, transparent 50%);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.app-shell > main > * { position: relative; z-index: 1; }

/* --- Top bar (used on main page) --- */
.topbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px 28px;
  box-shadow: var(--shadow-lg);
}

.topbar h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.subtitle { margin: 6px 0 0; color: var(--text-muted); font-size: 0.9rem; }

/* --- Coin pill --- */
.coin-pill {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  padding: 10px 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255,215,0,0.1), rgba(255,215,0,0.04));
  border: 1px solid rgba(255,215,0,0.15);
  color: #fff;
  min-width: 100px;
}
.coin-pill.bounce { animation: coinBounce 0.5s cubic-bezier(.34,1.56,.64,1); }
.coin-pill .coinCount { transition: color 0.3s ease; font-size: 1.3rem; }
.coin-pill .coinCount.flash { color: #ffd600; }
.coin-pill span { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.coin-pill strong { font-size: 1.3rem; font-weight: 800; }

.luck-badge {
  font-size: 0.75rem;
  color: var(--success-color);
  font-weight: 700;
  margin-top: 2px;
  text-align: right;
  white-space: nowrap;
}

/* --- Buttons --- */
button { font: inherit; border: none; cursor: pointer; }
button:hover { opacity: 0.95; }

.button-big {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.action-button {
  background: var(--shimmer-gradient);
  background-size: 600% auto;
  color: white;
  border-radius: var(--radius-md);
  padding: 16px 24px;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: shimmer 40s linear infinite;
}
.action-button:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 12px 32px var(--accent-glow);
  opacity: 1;
}

.secondary-button {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.secondary-button:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
  opacity: 1;
}

.danger-button {
  background: var(--danger-bg);
  color: white;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(230, 34, 62, 0.25);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}
.danger-button:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(230, 34, 62, 0.4);
  opacity: 1;
}

/* --- Card --- */
.game-card {
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-xl);
  animation: fadeIn 0.5s cubic-bezier(.22,1,.36,1);
}
.game-card .lobby-header { animation: slideUp 0.5s cubic-bezier(.22,1,.36,1) both; }
.game-card .game-grid { animation: slideUp 0.5s cubic-bezier(.22,1,.36,1) 0.1s both; }
.game-card .feature-grid { animation: slideUp 0.5s cubic-bezier(.22,1,.36,1) 0.15s both; }

.lobby-card {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.lobby-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}
.lobby-header > div { display: flex; align-items: center; gap: 14px; }

.branding-icon {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(255,215,0,0.15), rgba(255,215,0,0.05));
  font-size: 1.4rem;
}

.game-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.03));
  font-size: 1.5rem;
}

/* --- Game Grid (tiles) --- */
.game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.game-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 8px;
  background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text);
  animation: float 3s ease-in-out infinite;
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.game-tile:nth-child(2) { animation-delay: 0.3s; }
.game-tile:nth-child(3) { animation-delay: 0.6s; }
.game-tile:nth-child(4) { animation-delay: 0.9s; }
.game-tile:nth-child(5) { animation-delay: 1.2s; }
.game-tile:nth-child(6) { animation-delay: 1.5s; }
.game-tile:nth-child(7) { animation-delay: 0.15s; }
.game-tile:nth-child(8) { animation-delay: 0.45s; }
.game-tile:nth-child(9) { animation-delay: 0.75s; }
.game-tile:nth-child(10) { animation-delay: 1.05s; }
.game-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--shimmer-gradient);
  background-size: 600% auto;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.game-tile > * { position: relative; z-index: 1; }

.game-tile:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
  box-shadow: 0 12px 32px var(--accent-glow);
}
.game-tile:hover::before { opacity: 0.08; }
.game-tile:hover .tile-icon { transform: scale(1.2) rotate(-6deg); }

.game-tile-soon {
  opacity: 0.35;
  cursor: default;
  filter: grayscale(0.7);
}
.game-tile-soon:hover {
  transform: none;
  border-color: var(--border);
  box-shadow: none;
  background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
}
.game-tile-soon:hover::before { opacity: 0; }
.game-tile-soon:hover .tile-icon { transform: none; }

[data-float="off"] .game-tile,
[data-float="off"] .feature-grid a { animation: none !important; }

.tile-icon {
  font-size: 1.8rem;
  transition: transform 0.3s cubic-bezier(.34,1.56,.64,1);
  display: inline-block;
}
.tile-name { font-size: 0.78rem; font-weight: 600; text-align: center; }

/* --- Feature Grid --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.feature-grid a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 18px 12px;
  background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text);
  text-align: center;
  animation: float 3.5s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * 0.2s);
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.feature-grid a:nth-child(1) { --i: 0; }
.feature-grid a:nth-child(2) { --i: 1; }
.feature-grid a:nth-child(3) { --i: 2; }
.feature-grid a:nth-child(4) { --i: 3; }
.feature-grid a:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.feature-icon { font-size: 1.8rem; }
.feature-name { font-weight: 700; font-size: 0.85rem; }
.feature-desc { font-size: 0.72rem; color: var(--text-muted); }

/* --- Shop --- */
.shop-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  margin: 16px 0;
}
.shop-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.shop-card:hover { border-color: var(--accent-glow); transform: translateY(-2px); }
.shop-card h3 { margin: 0; font-size: 0.9rem; color: var(--accent-color); }
.shop-card p { margin: 0; font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; }
.shop-card .price { font-weight: 700; color: var(--text); font-size: 1rem; }
.shop-card.owned { opacity: 0.55; }

.shop-card button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.85rem;
  transition: transform var(--transition), opacity var(--transition);
}
.shop-card button:hover { transform: translateY(-1px); }
.shop-card button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  background: rgba(255,255,255,0.08);
  color: var(--text-dim);
}

.shop-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

/* --- Rarity --- */
.rarity-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  width: fit-content;
  margin: 0 auto;
}
.rarity-common   { background: rgba(74, 222, 128, 0.12); color: #4ade80; border: 1px solid rgba(74, 222, 128, 0.2); }
.rarity-uncommon { background: rgba(96, 165, 250, 0.12); color: #60a5fa; border: 1px solid rgba(96, 165, 250, 0.2); }
.rarity-rare     { background: rgba(192, 132, 252, 0.12); color: #c084fc; border: 1px solid rgba(192, 132, 252, 0.2); }
.rarity-epic     { background: rgba(251, 146, 60, 0.12); color: #fb923c; border: 1px solid rgba(251, 146, 60, 0.2); }
.rarity-legendary{ background: rgba(248, 113, 113, 0.12); color: #f87171; border: 1px solid rgba(248, 113, 113, 0.2); }

@keyframes rarityPulse {
  0%, 100% { box-shadow: 0 0 5px var(--rarity-glow, transparent); }
  50% { box-shadow: 0 0 18px var(--rarity-glow, transparent); }
}
.shop-card, .inv-card {
  --rarity-glow: transparent;
  animation: rarityPulse 3s ease-in-out infinite;
}
.shop-card.rarity-common,   .inv-card.rarity-common   { --rarity-glow: rgba(74, 222, 128, 0.35); }
.shop-card.rarity-uncommon, .inv-card.rarity-uncommon { --rarity-glow: rgba(96, 165, 250, 0.35); }
.shop-card.rarity-rare,     .inv-card.rarity-rare     { --rarity-glow: rgba(192, 132, 252, 0.35); }
.shop-card.rarity-epic,     .inv-card.rarity-epic     { --rarity-glow: rgba(251, 146, 60, 0.35); }
.shop-card.rarity-legendary,.inv-card.rarity-legendary { --rarity-glow: rgba(248, 113, 113, 0.4); }

/* --- Sections / Dividers --- */
.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

/* --- Inputs --- */
.input-field {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input-field:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.input-field::placeholder { color: var(--text-dim); }

/* --- Game specific shared styles --- */
.game-title {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin-bottom: 16px;
}
.game-title h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin: 0;
  color: var(--accent-color);
}
.game-subtitle { text-align: center; font-size: 1rem; margin: 0 0 22px; color: var(--text); }

.game-info-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-bottom: 16px;
}
.bonus-pill {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  text-align: center;
  font-weight: 700;
  border: 1px solid var(--border);
}

.input-row {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-bottom: 16px;
}
.field label, label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.result-panel {
  min-height: 60px;
  margin-top: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text);
  text-align: center;
  font-size: 0.95rem;
  animation: glowPulse 3s ease-in-out infinite;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.result-panel.win { border-color: rgba(34, 197, 94, 0.5); background: rgba(34, 197, 94, 0.06); animation: winGlow 1.5s ease-in-out infinite; }
.result-panel.lose { border-color: rgba(239, 68, 68, 0.4); background: rgba(239, 68, 68, 0.06); animation: lossShake 0.4s ease; }
.result-panel:empty { animation: none; }

/* --- Roulette / Wheel shared --- */
.roulette-display, .jackpot-preview {
  min-height: 130px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-size: 3rem;
}
.roulette-display { padding: 20px; }
.jackpot-preview span { font-size: 4rem; }

/* --- Slots --- */
.slot-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.slot-cell {
  min-height: 110px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  font-size: 2.2rem;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.slot-cell.animate {
  transform: translateY(-6px) scale(1.03);
  background: rgba(255, 236, 148, 0.1);
  border-color: var(--accent-color);
}
.slot-cell.spinning { animation: slotSpin 0.18s ease-in-out infinite; }

/* --- Toggle buttons (color pick etc) --- */
.toggle-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.toggle-button {
  border-radius: var(--radius-md);
  padding: 12px 0;
  font-weight: 700;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border: 1px solid var(--border);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.toggle-button.active {
  background: var(--shimmer-gradient);
  background-size: 600% auto;
  animation: shimmer 45s linear infinite;
  border-color: transparent;
}
.toggle-button:hover { transform: translateY(-1px); }

/* --- Color buttons (roulette) --- */
.color-button {
  border-radius: var(--radius-md);
  padding: 14px 0;
  font-weight: 700;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border: 1px solid var(--border);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.color-button.red.active, .color-button.red:hover {
  background: linear-gradient(135deg, #ff5f7a, #dc2626);
  color: white;
  border-color: transparent;
}
.color-button.black.active, .color-button.black:hover {
  background: linear-gradient(135deg, #374151, #111827);
  color: white;
  border-color: transparent;
}

/* --- Wheel display --- */
.wheel-display {
  min-height: 120px;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 1.8rem;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  animation: pulse 2s ease-in-out infinite alternate;
}

/* --- Roulette track --- */
.roulette-track {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  margin-bottom: 16px;
}
.roulette-track-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 10px;
  transition: transform 0.9s cubic-bezier(.22,1,.36,1);
}
.roulette-num {
  min-width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-weight: 700;
}
.roulette-num.selected {
  background: linear-gradient(135deg, #ffd93d, #ff9f1a);
  color: #111;
  transform: scale(1.06);
}

/* --- VIP --- */
.vip-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255, 193, 7, 0.25);
  border-radius: var(--radius-md);
  padding: 16px;
}
.vip-features {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 20px;
}
.modal-overlay[hidden] { display: none; }

.modal-box {
  background: #141a33;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 28px 24px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5);
  animation: modalPopIn 0.3s cubic-bezier(.34,1.56,.64,1);
}
.modal-box-icon { font-size: 2.6rem; display: block; margin-bottom: 8px; }
.modal-box-title { margin: 0 0 4px; font-size: 1.15rem; color: var(--accent-color); }
.modal-box-desc { margin: 0 0 18px; color: var(--text-muted); font-size: 0.85rem; }
.modal-box .input-field { width: 100%; box-sizing: border-box; }
.modal-box-error { display: block; min-height: 1.4em; font-size: 0.85rem; margin: 6px 0; color: #ff6b6b; }
.modal-box-actions { display: flex; gap: 10px; margin-top: 8px; }
.modal-box-actions button { flex: 1; padding: 12px; border-radius: var(--radius-md); font-weight: 700; cursor: pointer; border: none; font-size: 0.9rem; }

/* --- Settings --- */
.settings-section { margin: 14px 0; }
.settings-section h3 { margin: 0 0 10px; font-size: 0.95rem; color: var(--accent-color); }

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--transition);
  animation: slideUp 0.4s cubic-bezier(.22,1,.36,1) both;
  gap: 12px;
  flex-wrap: wrap;
}
.setting-row:hover { border-color: var(--border-hover); }
.setting-row:nth-child(2) { animation-delay: 0.05s; }
.setting-row:nth-child(3) { animation-delay: 0.1s; }
.setting-row:nth-child(4) { animation-delay: 0.15s; }
.setting-row:nth-child(5) { animation-delay: 0.2s; }
.setting-row:nth-child(6) { animation-delay: 0.25s; }

.setting-row input[type="checkbox"] {
  width: 44px;
  height: 24px;
  appearance: none;
  background: rgba(255,255,255,0.12);
  border-radius: 20px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s ease;
  flex-shrink: 0;
}
.setting-row input[type="checkbox"]::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--text);
  border-radius: 50%;
  transition: transform 0.2s ease;
}
.setting-row input[type="checkbox"]:checked { background: var(--accent-gradient); }
.setting-row input[type="checkbox"]:checked::after { transform: translateX(20px); }

.setting-select {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}
.setting-select:hover { border-color: var(--accent-color); }
.setting-select:focus { border-color: var(--accent-color); }

.setting-slider {
  width: 100%;
  height: 5px;
  border-radius: 4px;
  background: rgba(255,255,255,0.12);
  outline: none;
  accent-color: var(--accent-color);
  cursor: pointer;
}
.setting-value { font-size: 0.85rem; color: var(--text-muted); min-width: 32px; text-align: right; }

.theme-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.theme-btn {
  padding: 16px 12px;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  color: white;
  transition: transform var(--transition), border-color var(--transition);
}
.theme-btn:hover { transform: translateY(-2px); }
.theme-btn.active { border-color: white; box-shadow: 0 0 14px rgba(255,255,255,0.2); }
.theme-btn[data-theme="classic"] { background: linear-gradient(135deg, #ff9f1a, #ff4d6d); }
.theme-btn[data-theme="neon"] { background: linear-gradient(135deg, #00ffff, #ff00ff); }
.theme-btn[data-theme="purple"] { background: linear-gradient(135deg, #a855f7, #7c3aed); }
.theme-btn[data-theme="ocean"] { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.theme-btn[data-theme="midnight"] { background: linear-gradient(135deg, #6366f1, #4338ca); }
.theme-btn[data-theme="forest"] { background: linear-gradient(135deg, #22c55e, #15803d); }
.theme-btn[data-theme="sunset"] { background: linear-gradient(135deg, #fb923c, #dc2626); }
.theme-btn[data-theme="candy"] { background: linear-gradient(135deg, #ec4899, #8b5cf6); }

/* --- Stats / Achievements --- */
.stat-list { list-style: none; padding: 0; margin: 0; }
.stat-list li { padding: 6px 0; color: var(--text-muted); font-size: 0.85rem; border-bottom: 1px solid var(--border); }
.stat-list li:last-child { border-bottom: none; }
.stat-list li strong { color: var(--text); }

.achievement-grid { display: grid; gap: 8px; }
.achievement-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}
.achievement-card.unlocked { background: rgba(34, 197, 94, 0.06); border-color: rgba(34, 197, 94, 0.2); animation: glowPulse 2s ease-in-out infinite; }
.achievement-card.locked { opacity: 0.5; }
.achievement-icon { font-size: 1.4rem; min-width: 32px; text-align: center; }
.achievement-card h4 { margin: 0; font-size: 0.85rem; color: var(--text); }
.achievement-card p { margin: 2px 0 0; font-size: 0.75rem; color: var(--text-muted); }
.achievement-check { margin-left: auto; font-size: 1rem; min-width: 22px; text-align: center; }

.xp-bar-track {
  width: 100%;
  height: 10px;
  background: rgba(255,255,255,0.08);
  border-radius: 20px;
  overflow: hidden;
}
.xp-bar-fill {
  height: 100%;
  background: var(--xp-gradient);
  background-size: 200% auto;
  border-radius: 20px;
  transition: width 0.4s ease;
  animation: xpShimmer 2s linear infinite;
}

/* --- Utility --- */
.hidden { display: none !important; }
.hint { margin: 10px 0 0; color: var(--text-muted); font-size: 0.85rem; }
.error-message { margin: 0; color: #ff6b6b; min-height: 1.2em; font-size: 0.85rem; }
.item-icon { font-size: 1.8rem; display: block; text-align: center; margin-bottom: 4px; }

body[style*="animation: none"] *,
body[style*="animation: none"] *::before,
body[style*="animation: none"] *::after {
  animation-duration: 0s !important;
  transition-duration: 0s !important;
}

/* --- Toast --- */
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
  to { opacity: 0; transform: translateX(-50%) translateY(-10px) scale(0.95); }
}
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 28px;
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 99999;
  white-space: nowrap;
  pointer-events: none;
  animation: toastIn 0.35s cubic-bezier(.34,1.56,.64,1);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.toast.out { animation: toastOut 0.35s ease forwards; }

/* --- Button ripple --- */
.ripple-btn { position: relative; overflow: hidden; }
.ripple-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(255,255,255,0.15);
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}
.ripple-btn:active::after { animation: rippleOut 0.5s ease-out; }

/* --- Icon button --- */
.icon-button {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  opacity: 0.6;
  transition: opacity var(--transition), transform var(--transition);
}
.icon-button:hover { opacity: 1; transform: scale(1.15); }

/* --- Nav bar --- */
.nav-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin: 18px 0;
  align-items: center;
}
.nav-links { display: flex; flex-wrap: wrap; gap: 10px; }
.nav-meta { display: flex; gap: 10px; align-items: center; color: var(--text-muted); font-size: 0.9rem; flex-wrap: wrap; }
.nav-meta span { background: rgba(255,255,255,0.05); padding: 8px 12px; border-radius: var(--radius-sm); }
.nav-button {
  min-width: 100px;
  text-align: center;
  background: rgba(255,255,255,0.05);
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition), color var(--transition);
  border: 1px solid transparent;
}
.nav-button.active, .nav-button:hover {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  color: white;
  border-color: transparent;
}

/* --- Gradient text on headings --- */
.game-card h1, .lobby-header h1, .game-title h1 {
  background: var(--shimmer-gradient);
  background-size: 600% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 40s linear infinite;
}

/* --- VIP pulse on first card --- */
.vip-card:first-child { animation: glowPulse 3s ease-in-out infinite; }
#vipOpenBtn { animation: glowPulse 2.5s ease-in-out infinite; }

/* --- 3D Card Flip --- */
.card-flip { perspective: 1000px; width: 90px; height: 120px; }
.card-flip-inner { position: relative; width: 100%; height: 100%; transition: transform 0.5s cubic-bezier(.4,0,.2,1); transform-style: preserve-3d; }
.card-flip-inner.flipped { transform: rotateY(180deg); }
.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  background: #1e293b;
  border: 2px solid #334;
  border-radius: 14px;
}
.card-face.card-back { background: linear-gradient(135deg, #1e293b, #2a1a4e); border-color: #6c5ce7; }
.card-face.card-front { transform: rotateY(180deg); border-color: var(--accent-color); background: #1a1f2e; }

.bet-input { transition: border-color var(--transition), box-shadow var(--transition); }
.bet-input:focus { border-color: var(--accent-color) !important; box-shadow: 0 0 0 3px var(--accent-glow); }

/* --- Animations --- */
@keyframes pulse {
  from { box-shadow: inset 0 0 20px rgba(255,255,255,0.03); }
  to { box-shadow: inset 0 0 40px rgba(255,255,255,0.08); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 600% center; }
}
@keyframes coinBounce {
  0% { transform: scale(1); }
  30% { transform: scale(1.3); }
  50% { transform: scale(0.92); }
  70% { transform: scale(1.06); }
  100% { transform: scale(1); }
}
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 15px var(--accent-glow); }
  50% { box-shadow: 0 0 40px var(--accent-glow); }
}
@keyframes modalPopIn {
  0% { opacity: 0; transform: scale(0.88) translateY(16px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes winGlow {
  0%, 100% { box-shadow: 0 0 15px rgba(34, 197, 94, 0.1); }
  50% { box-shadow: 0 0 45px rgba(34, 197, 94, 0.25); }
}
@keyframes lossShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}
@keyframes xpShimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}
@keyframes slotSpin {
  0% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0); }
}
@keyframes rippleOut {
  0% { transform: scale(0); opacity: 0.4; }
  100% { transform: scale(2.5); opacity: 0; }
}

/* --- Mobile first --- */
@media (max-width: 767px) {
  .app-shell { padding: 14px; }
  .game-summary, .vip-features { grid-template-columns: 1fr; }
  .shop-grid { grid-template-columns: repeat(2, 1fr); }
  .game-card { padding: 18px; border-radius: var(--radius-lg); }
  .stat-list li { padding: 8px 0; }
  .game-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .game-tile { padding: 12px 6px; }
  .tile-icon { font-size: 1.5rem; }
  .tile-name { font-size: 0.7rem; }
  .game-card .game-grid { animation: slideUp 0.4s ease 0.05s both; }
  .game-card .feature-grid { animation: slideUp 0.4s ease 0.1s both; }
}

@media (min-width: 768px) {
  .lobby-card { max-width: min(90vw, 720px); padding: 32px; gap: 22px; }
  .game-grid { grid-template-columns: repeat(5, 1fr); gap: 12px; }
  .game-tile { padding: 20px 10px; gap: 8px; }
  .tile-icon { font-size: 2rem; }
  .tile-name { font-size: 0.82rem; }
  .feature-grid { grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .feature-grid a { padding: 24px 14px; gap: 8px; }
  .feature-icon { font-size: 2.2rem; }
  .feature-name { font-size: 0.95rem; }
  .feature-desc { font-size: 0.8rem; }
  .game-card { padding: 32px; }
}

@media (max-width: 480px) {
  .shop-grid { grid-template-columns: 1fr; }
  .game-card { padding: 14px; border-radius: var(--radius-lg); }
  .coin-pill strong { font-size: 1.1rem; }
  .game-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .game-tile { padding: 10px 4px; }
  .tile-icon { font-size: 1.3rem; }
  .tile-name { font-size: 0.65rem; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .feature-grid a { padding: 14px 8px; }
  .feature-icon { font-size: 1.4rem; }
  .feature-name { font-size: 0.75rem; }
  .feature-desc { font-size: 0.65rem; }
  .lobby-header { flex-wrap: wrap; }
}