/* UX Enhancements CSS */

/* Ripple Effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  pointer-events: none;
  animation: ripple-animation 0.6s linear;
  z-index: 1;
}

@keyframes ripple-animation {
  to {
    transform: scale(2);
    opacity: 0;
  }
}

/* Form Validation */
.validation-indicator {
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-small);
  transition: all var(--transition-normal);
  opacity: 0;
  scale: 0.8;
}

.validation-indicator.valid {
  color: var(--color-success);
  opacity: 1;
  scale: 1;
}

.validation-indicator.invalid {
  color: var(--color-error);
  opacity: 1;
  scale: 1;
}

input.valid, textarea.valid, select.valid {
  border-color: var(--color-success);
  box-shadow: 0 0 0 2px rgba(103, 187, 121, 0.2);
}

input.invalid, textarea.invalid, select.invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.2);
}

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Tooltips */
.tooltip {
  position: absolute;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-tiny);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  opacity: 0;
  transform: translateY(5px);
  transition: all var(--transition-normal);
  pointer-events: none;
  max-width: 200px;
  word-wrap: break-word;
}

.tooltip::before {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border: 4px solid transparent;
  border-top-color: var(--color-border);
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border: 3px solid transparent;
  border-top-color: var(--color-bg-primary);
  margin-top: -1px;
}

.tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Scroll Animations */
/* Disable scroll animations for a calmer UI */
.animate-on-scroll { opacity: 1; transform: none; transition: none; }
.animate-on-scroll.animate-in { opacity: 1; transform: none; }

/* Stagger animation delays for multiple elements */
.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(n+6) { transition-delay: 0.5s; }

/* Notification System */
.notification-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 400px;
}

.notification {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateX(100%);
  opacity: 0;
  transition: all var(--transition-normal);
}

.notification.visible {
  transform: translateX(0);
  opacity: 1;
}

.notification-info {
  border-left: 4px solid var(--color-accent-primary);
}

.notification-success {
  border-left: 4px solid var(--color-success);
  background: rgba(103, 187, 121, 0.05);
}

.notification-error {
  border-left: 4px solid var(--color-error);
  background: rgba(255, 107, 107, 0.05);
}

.notification-warning {
  border-left: 4px solid #ffb86c;
  background: rgba(255, 184, 108, 0.05);
}

.notification-message {
  flex: 1;
  font-size: var(--font-size-small);
  color: var(--color-text-primary);
}

.notification-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  margin-left: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-normal);
  font-size: 1.2em;
  line-height: 1;
}

.notification-close:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.1);
}

/* Enhanced Focus States */
*:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

/* Button Enhancement */
button, .btn {
  transform-origin: center;
  transition: all var(--transition-normal) ease;
}

button:focus-visible, .btn:focus-visible {
  transform: scale(1.05);
}

/* Card Hover Effects */
/* Reduce hover animation transitions */
.panel, .filter-card, .group-card, .entry { transition: box-shadow var(--transition-normal) ease; }

.panel:hover, .filter-card:hover, .group-card:hover {
  /* Remove vertical hover lift to prevent distracting motion */
  box-shadow: var(--shadow-lg);
}

.entry:hover {
  /* Remove lateral nudge */
}

/* Smooth Page Transitions */
.page-enter {
  opacity: 0;
  transform: translateY(20px);
}

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

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

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

/* Modal Animations */
.modal {
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal) ease;
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  transform: scale(0.9) translateY(-20px);
  transition: all var(--transition-normal) ease;
}

.modal.show .modal-content {
  transform: scale(1) translateY(0);
}

/* Progress Indicators */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
  margin: var(--spacing-sm) 0;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-accent-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, 
    rgba(255,255,255,0.1) 25%, 
    transparent 25%, 
    transparent 50%, 
    rgba(255,255,255,0.1) 50%, 
    rgba(255,255,255,0.1) 75%, 
    transparent 75%);
  background-size: 16px 16px;
  animation: progress-stripes 1s linear infinite;
}

@keyframes progress-stripes {
  0% { background-position: 0 0; }
  100% { background-position: 16px 0; }
}

/* Mobile Enhancements */
@media (max-width: 768px) {
  .notification-container {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    left: var(--spacing-sm);
    max-width: none;
  }

  .notification {
    padding: var(--spacing-sm);
  }

  .tooltip {
    max-width: 150px;
    font-size: 0.7rem;
  }

  .ripple {
    animation-duration: 0.4s;
  }

  /* Reduce motion for better mobile performance */
  @media (prefers-reduced-motion: reduce) {
    .animate-on-scroll {
      animation: none;
      transition: none;
      opacity: 1;
      transform: none;
    }

    .ripple {
      display: none;
    }

    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .tooltip {
    border-width: 2px;
    background: var(--color-bg-primary);
  }

  .notification {
    border-width: 2px;
  }

  *:focus-visible {
    outline-width: 3px;
  }
}