/* Base Animations */

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes typing {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-10px);
  }
}

@keyframes successPop {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

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

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translateY(0);
  }
  40%, 43% {
    transform: translateY(-15px);
  }
  70% {
    transform: translateY(-7px);
  }
  90% {
    transform: translateY(-2px);
  }
}

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

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(var(--primary-rgb), 0.5);
  }
  50% {
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.8), 0 0 30px rgba(var(--primary-rgb), 0.4);
  }
}

@keyframes starSparkle {
  0%, 100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
  25% {
    opacity: 0.8;
    transform: scale(1.1) rotate(5deg);
  }
  50% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
  75% {
    opacity: 0.8;
    transform: scale(1.1) rotate(-5deg);
  }
}

/* Confetti Animation */

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

.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: var(--z-tooltip);
  overflow: hidden;
}

.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  animation: confettiFall 3s ease-out forwards;
}

.confetti:nth-child(odd) {
  animation-duration: 2.5s;
}

.confetti:nth-child(even) {
  animation-duration: 3.5s;
}

/* View Transitions */

.view-enter {
  animation: fadeInUp 0.3s ease forwards;
}

.view-exit {
  animation: fadeIn 0.2s ease reverse forwards;
}

/* Staggered animations for lists */

.stagger-item {
  opacity: 0;
  animation: fadeInUp 0.4s ease forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }
.stagger-item:nth-child(7) { animation-delay: 0.35s; }
.stagger-item:nth-child(8) { animation-delay: 0.4s; }
.stagger-item:nth-child(9) { animation-delay: 0.45s; }
.stagger-item:nth-child(10) { animation-delay: 0.5s; }

/* Chat bubble animations */

.chat-bubble:nth-child(1) { animation-delay: 0.2s; }
.chat-bubble:nth-child(2) { animation-delay: 0.7s; }
.chat-bubble:nth-child(3) { animation-delay: 1.2s; }
.chat-bubble:nth-child(4) { animation-delay: 1.7s; }
.chat-bubble:nth-child(5) { animation-delay: 2.2s; }

/* Interactive animations */

.animate-press:active {
  transform: scale(0.97);
}

.animate-shake {
  animation: shake 0.5s ease;
}

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

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

.animate-star {
  animation: starSparkle 2s ease-in-out infinite;
}

/* Loading states */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-card) 25%,
    var(--bg-elevated) 50%,
    var(--bg-card) 75%
  );
  background-size: 200% 100%;
  animation: skeleton 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Button ripple effect */

.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
}

.btn-ripple:active::after {
  animation: ripple 0.6s ease-out;
}

@keyframes ripple {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(40);
    opacity: 0;
  }
}

/* Page transition */

.page-transition-enter {
  opacity: 0;
  transform: translateX(20px);
}

.page-transition-enter-active {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-transition-exit {
  opacity: 1;
  transform: translateX(0);
}

.page-transition-exit-active {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Install prompt animation */

.install-prompt {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: var(--space-lg);
  padding-bottom: calc(var(--safe-bottom) + var(--space-lg));
  transform: translateY(100%);
  transition: transform 0.3s ease;
  z-index: var(--z-modal);
}

.install-prompt.show {
  transform: translateY(0);
}

.install-prompt-content {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.install-prompt-icon {
  font-size: var(--text-3xl);
}

.install-prompt-text h4 {
  margin-bottom: var(--space-xs);
}

.install-prompt-text p {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.install-prompt-actions {
  display: flex;
  gap: var(--space-sm);
}

.install-prompt-actions .btn {
  flex: 1;
}