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

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes bounce {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.04);
  }
}

@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  15% {
    transform: scale(1.15);
  }
  30% {
    transform: scale(1);
  }
  45% {
    transform: scale(1.1);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(198, 216, 255, 0.4);
  }
  50% {
    opacity: 0.9;
    box-shadow: 0 0 0 8px rgba(198, 216, 255, 0);
  }
}

@keyframes ecgFlow {
  0% {
    transform: translateX(-5%);
  }
  100% {
    transform: translateX(5%);
  }
}

@keyframes breathe {
  0%, 100% {
    opacity: 0.7;
    transform: scale(0.98);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

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

.animate-fadeIn {
  animation: fadeIn var(--transition-base) ease forwards;
}

.animate-slideUp {
  animation: slideUp var(--transition-smooth) ease forwards;
}

.animate-slideDown {
  animation: slideDown var(--transition-smooth) ease forwards;
}

.animate-bounce {
  animation: bounce var(--transition-bounce) ease;
}

.animate-heartbeat {
  animation: heartbeat 1.2s ease-in-out infinite;
}

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

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

.animate-spin {
  animation: spin 1s linear infinite;
}

.transition {
  transition:
    all var(--transition-base);
}

.transition-fast {
  transition:
    all var(--transition-fast);
}

.transition-smooth {
  transition:
    all var(--transition-smooth);
}

.transition-color {
  transition:
    color var(--transition-base),
    background-color var(--transition-base),
    border-color var(--transition-base);
}

.transition-shadow {
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.transition-opacity {
  transition: opacity var(--transition-base);
}

.transition-transform {
  transition: transform var(--transition-base);
}

.hover-lift {
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

.focus-glow:focus {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-color: var(--color-accent);
}

.card-hover {
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-card-hover);
}

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

.panel-enter {
  animation: panelSlideIn var(--transition-smooth) ease forwards;
}

.backdrop-enter {
  animation: fadeIn var(--transition-fast) ease forwards;
}

.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.1) 25%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.1) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

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