@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.3; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

@keyframes confetti-fall {
  0% { transform: translateY(-100vh) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

.countdown-blink {
  animation: blink 1s infinite, shake 0.5s infinite;
}

.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #f9ca24, #6c5ce7);
  animation: confetti-fall 3s linear infinite;
}

.confetti:nth-child(2n) {
  width: 12px;
  height: 12px;
  background: linear-gradient(45deg, #f9ca24, #6c5ce7, #ff6b6b);
}

.confetti:nth-child(3n) {
  width: 8px;
  height: 8px;
  background: linear-gradient(45deg, #4ecdc4, #45b7d1, #f9ca24);
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.animate-bounce {
  animation: bounce 1s infinite;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}