/* Fun animations and effects */

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes wiggle {
  0%,
  100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(3deg);
  }
  75% {
    transform: rotate(-3deg);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes slideInBounce {
  0% {
    transform: translateX(-100%) scale(0.5);
    opacity: 0;
  }
  60% {
    transform: translateX(20px) scale(1.1);
    opacity: 1;
  }
  100% {
    transform: translateX(0) scale(1);
  }
}

@keyframes rainbow {
  0% {
    filter: hue-rotate(0deg);
  }
  100% {
    filter: hue-rotate(360deg);
  }
}

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

@keyframes floatUp {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) scale(1.5);
    opacity: 0;
  }
}

/* Confetti styles */
.confetti {
  position: fixed;
  width: 10px;
  height: 10px;
  z-index: 10000;
  animation: confettiFall linear infinite;
}

/* Card entrance animations */
.card {
  animation: slideInBounce 0.6s ease-out;
}

.talk-card,
.talk-item {
  transition: all 0.3s ease;
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.talk-card:hover,
.talk-item:hover {
  animation: wiggle 0.5s ease-in-out;
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

/* Button hover effects */
.button {
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  position: relative;
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition:
    width 0.6s,
    height 0.6s;
}

.button:hover::before {
  width: 300px;
  height: 300px;
}

/* Party mode */
.party-mode {
  animation: rainbow 2s linear infinite;
}

.party-mode * {
  animation: wiggle 0.5s ease-in-out infinite;
}

.party-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 48px;
  font-weight: bold;
  background: linear-gradient(
    45deg,
    #ff0000,
    #ff7300,
    #fffb00,
    #48ff00,
    #00ffd5,
    #002bff,
    #7a00ff,
    #ff00c8,
    #ff0000
  );
  background-size: 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: rainbow 1s ease-in-out infinite;
  z-index: 10001;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Reaction bar */
.reaction-bar {
  display: flex;
  gap: 5px;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #e2e8f0;
}

.reaction-btn {
  background: transparent;
  border: 1px solid #e2e8f0;
  border-radius: 50%;
  width: 35px;
  height: 35px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 18px;
}

.reaction-btn:hover {
  transform: scale(1.2);
  background: #f0f4ff;
  border-color: #667eea;
}

.reaction-bounce {
  animation: bounce 0.5s ease;
}

.reaction-float {
  position: absolute;
  font-size: 24px;
  animation: floatUp 1s ease-out;
  pointer-events: none;
  z-index: 1000;
}

/* Fun fact popup - kept for welcome messages */
.fun-fact {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 20px;
  border-radius: 10px;
  max-width: 300px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  animation: slideInBounce 0.6s ease-out;
  z-index: 1000;
}

/* Loading spinner with message */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loading-message {
  margin-top: 20px;
  font-size: 18px;
  color: #667eea;
  animation: pulse 2s ease-in-out infinite;
}

/* Sparkle cursor trail */
.sparkle {
  position: fixed;
  width: 4px;
  height: 4px;
  background: #ffeb3b;
  border-radius: 50%;
  pointer-events: none;
  animation: sparkle 1s ease-out;
  z-index: 10000;
}

@keyframes sparkle {
  0% {
    transform: scale(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: scale(2) rotate(180deg);
    opacity: 0;
  }
}

/* Title animations */
h2 {
  animation: fadeIn 0.8s ease-out;
}

/* Badge animations */
.attendee-count,
.room-badge {
  transition: all 0.3s ease;
}

.attendee-count:hover,
.room-badge:hover {
  animation: bounce 0.5s ease;
  transform: scale(1.1);
}

/* Success celebration */
.success-message {
  animation: bounce 0.6s ease;
  color: #48bb78;
  font-weight: bold;
}

/* Error shake */
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-5px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(5px);
  }
}

.error {
  animation: shake 0.5s ease;
  border-color: #f56565 !important;
}

/* Tooltip animations */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) scale(0);
  background: #333;
  color: white;
  padding: 8px 12px;
  border-radius: 5px;
  white-space: nowrap;
  transition: transform 0.3s ease;
  pointer-events: none;
}

.tooltip:hover::after {
  transform: translateX(-50%) scale(1) translateY(-10px);
}

/* Responsive animations */
@media (max-width: 768px) {
  .party-message {
    font-size: 32px;
  }

  @keyframes slideInBounce {
    0% {
      transform: translateY(-50px) scale(0.9);
      opacity: 0;
    }
    100% {
      transform: translateY(0) scale(1);
      opacity: 1;
    }
  }
}