/* ================================================================
   CSS TRANSITIONS - Smooth Interactions
   Added: 2026-02-15 (Phase 1.5)
   ================================================================ */

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Base transition for all interactive elements */
a,
button,
input,
select,
textarea,
.btn,
.card,
.alert-card,
.command-card,
.level-card {
  transition: all 0.2s ease-in-out;
}

/* Button hover states */
.btn,
button,
[type="submit"],
[type="button"] {
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.btn:hover,
button:hover {
  transform: translateY(-1px);
}

.btn:active,
button:active {
  transform: translateY(0);
  transition-duration: 0.05s;
}

/* Link interactions */
a {
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

a:hover {
  text-decoration-color: currentColor;
}

/* Card hover effects */
.alert-card,
.command-card,
.level-card,
.quick-nav-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.alert-card:hover,
.command-card:hover,
.level-card:hover,
.quick-nav-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.alert-card:active,
.command-card:active,
.level-card:active,
.quick-nav-card:active {
  transform: translateY(0);
}

/* Navigation transitions */
.navbar-nav a,
.nav-link {
  transition: color 0.15s ease, background-color 0.15s ease;
}

.navbar-nav a:hover,
.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

/* Dropdown animations */
.dropdown-menu {
  transition: opacity 0.2s ease, transform 0.2s ease;
  transform-origin: top center;
}

.dropdown-menu:not(.show) {
  opacity: 0;
  transform: scaleY(0.95);
  pointer-events: none;
}

.dropdown-menu.show {
  opacity: 1;
  transform: scaleY(1);
  pointer-events: auto;
}

/* Modal animations */
.modal {
  transition: opacity 0.3s ease;
}

.modal.show {
  opacity: 1;
}

.modal:not(.show) {
  opacity: 0;
}

.modal-content {
  transition: transform 0.3s ease;
}

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

.modal:not(.show) .modal-content {
  transform: scale(0.95);
}

/* Form input focus transitions */
input,
textarea,
select {
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent-primary, #0ea5e9);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

/* Badge transitions */
.badge,
.level-badge,
.engagement-badge {
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.badge:hover,
.level-badge:hover,
.engagement-badge:hover {
  transform: scale(1.05);
}

/* Image hover effects */
img {
  transition: opacity 0.2s ease, transform 0.2s ease;
}

img:hover {
  opacity: 0.95;
}

/* Alert priority glow effect */
.alert-priority-critical {
  transition: box-shadow 0.3s ease;
}

.alert-priority-critical:hover {
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
}

/* Skeleton loader fade in */
.skeleton {
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

@keyframes skeleton-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Expand/collapse transitions */
[aria-expanded="true"] .chevron-icon {
  transform: rotate(180deg);
  transition: transform 0.2s ease;
}

[aria-expanded="false"] .chevron-icon {
  transform: rotate(0deg);
  transition: transform 0.2s ease;
}

/* Loading spinner */
.spinner {
  animation: spin 1s linear infinite;
}

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

/* Fade in animation for dynamic content */
.fade-in {
  animation: fadeIn 0.3s ease-in;
}

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

/* Slide in from bottom */
.slide-in-bottom {
  animation: slideInBottom 0.4s ease-out;
}

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

/* Toast notification transitions */
.toast {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast:not(.show) {
  opacity: 0;
  transform: translateY(10px);
}

/* Progress bar animation */
.progress-bar {
  transition: width 0.6s ease;
}

/* Tab switching */
.tab-pane {
  transition: opacity 0.2s ease;
}

.tab-pane:not(.active) {
  opacity: 0;
  pointer-events: none;
}

.tab-pane.active {
  opacity: 1;
  pointer-events: auto;
}

/* Share button pop effect */
.share-button:active {
  transform: scale(0.95);
  transition: transform 0.1s ease;
}

/* Bookmark reminder slide in */
.bookmark-toast {
  animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Alert status indicator pulse */
.status-indicator-live {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* ================================================================
   FOCUS VISIBLE
   Backported from Master Template
   ================================================================ */

:focus-visible {
  outline: 2px solid var(--accent-primary, #0ea5e9);
  outline-offset: 2px;
}

/* Suppress focus ring on mouse click (keep for keyboard nav) */
*:focus:not(:focus-visible) {
  outline: none;
}

/* ================================================================
   HIGH CONTRAST MODE
   Backported from Master Template
   ================================================================ */

@media (prefers-contrast: high) {
  *:focus-visible {
    outline-width: 4px;
    outline-offset: 3px;
  }

  .card,
  .alert-card,
  .command-card,
  .callout,
  .alert,
  .error-state,
  input,
  textarea,
  select,
  button {
    border-width: 2px;
  }

  a {
    text-decoration: underline;
  }
}

/* ================================================================
   TABS COMPONENT
   Backported from Master Template
   ================================================================ */

.tab-list {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-medium, rgba(255, 255, 255, 0.15));
  margin-bottom: 1.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"],
.tab-btn {
  padding: 0.75rem 1.25rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--text-secondary, #a1a1aa);
  font-size: var(--text-base);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.tab-list [role="tab"]:hover,
.tab-btn:hover {
  color: var(--accent-primary, #0ea5e9);
}

.tab-list [aria-selected="true"],
.tab-btn.active {
  color: var(--accent-primary, #0ea5e9);
  border-bottom-color: var(--accent-primary, #0ea5e9);
}

/* ================================================================
   REDUCED MOTION, cleanup
   ================================================================ */

/* Ensure all transitions respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .slide-in-bottom,
  .bookmark-toast,
  .skeleton,
  .spinner,
  .status-indicator-live {
    animation: none;
  }
}