:root {
  --bg: #F2F1EE;
  --card-bg: #FFFFFF;
  --text-primary: #1A1A1A;
  --text-secondary: #8A8A8A;
  --text-muted: #B0B0B0;
  --accent: #5B8A8A;
  --accent-light: rgba(91, 138, 138, 0.12);
  --card-back: #2A2A2A;
  --card-back-pattern: #333333;
  --border: #E2E2E2;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-hover: 0 6px 20px rgba(0,0,0,0.1);
}

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

body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.mono {
  font-family: 'IBM Plex Mono', monospace;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes cardFlip {
  0% { transform: rotateY(0deg); }
  50% { transform: rotateY(90deg); }
  100% { transform: rotateY(0deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes winGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(91, 138, 138, 0); }
  50% { box-shadow: 0 0 20px 4px rgba(91, 138, 138, 0.3); }
}

.animate-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

.animate-fade-in-scale {
  animation: fadeInScale 0.35s ease-out forwards;
}

.animate-slide-up {
  animation: slideUp 0.5s ease-out forwards;
}

.animate-slide-down {
  animation: slideDown 0.4s ease-out forwards;
}

.animate-card-flip {
  animation: cardFlip 0.5s ease-in-out;
}

.animate-pulse {
  animation: pulse 0.6s ease-in-out;
}

.animate-win-glow {
  animation: winGlow 1.2s ease-in-out 2;
}

.card-hover {
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.card-hover:active {
  transform: translateY(-2px);
}

.card-back-pattern {
  background: var(--card-back);
  background-image: 
    linear-gradient(45deg, var(--card-back-pattern) 25%, transparent 25%),
    linear-gradient(-45deg, var(--card-back-pattern) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--card-back-pattern) 75%),
    linear-gradient(-45deg, transparent 75%, var(--card-back-pattern) 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
}

.btn-deal {
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.15em;
}

.btn-deal:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-hover);
}

.btn-deal:active {
  transform: scale(0.98);
}

.pill-btn {
  transition: all 0.2s ease;
}

.pill-btn:hover {
  background: var(--text-primary);
  color: var(--bg);
}

.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }

.perspective {
  perspective: 600px;
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 2px;
}