/**
 * Custom Extension Styles
 * Feature-specific styles, animations, and interaction effects
 */

/* ============================================
   0. Accessibility Styles
   ============================================ */

/* Skip Navigation Link - Hidden */
.skip-link {
  display: none;
}

/* Enhanced Focus Indicators */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Specific focus styles for interactive elements */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

/* Focus visible for keyboard navigation only */
*:focus:not(:focus-visible) {
  outline: none;
  box-shadow: none;
}

*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

/* Ensure buttons have visible focus */
.btn:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.2);
}

/* Card focus for keyboard navigation */
.card:focus-within {
  box-shadow: var(--shadow-lg), 0 0 0 3px rgba(0, 102, 204, 0.2);
}

/* Navigation menu focus */
.navbar-menu a:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  background-color: var(--bg-hover);
}

/* Form input focus */
.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.15);
  outline: none;
}

/* Checkbox and radio focus */
.form-check-input:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Details/Summary focus */
details summary:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  background-color: var(--bg-hover);
}

/* Link focus in content */
.card-body a:focus-visible,
.section-content a:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  background-color: rgba(0, 102, 204, 0.1);
  border-radius: var(--border-radius-sm);
}

/* Image Accessibility */
/* All images should have alt text. Decorative images should have alt="" */
img:not([alt]) {
  border: 3px solid var(--status-error);
  outline: 2px dashed var(--status-error);
}

img[alt=""] {
  /* Decorative images - no visual indicator needed */
}

/* Responsive images - optimized for performance */
img {
  max-width: 100%;
  height: auto;
  /* Lazy loading for better performance */
  loading: lazy;
}

/* ============================================
   1. Navigation Styles
   ============================================ */

.navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background-color: var(--navbar-bg);
  box-shadow: var(--navbar-shadow);
  padding: var(--navbar-padding-y) var(--navbar-padding-x);
  z-index: var(--z-sticky);
  transition: var(--transition-normal);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-xl);
  margin: 0 auto;
  height: 100%;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.navbar-brand h1 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  margin: 0;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
  height: 100%;
  margin-top: 14px;
}

.navbar-menu li {
  display: flex;
  align-items: center;
  height: 100%;
}

.navbar-menu a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
  position: relative;
}

.navbar-menu a:hover {
  color: var(--primary-color);
  background-color: var(--bg-hover);
}

.navbar-menu a.active {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
}

.navbar-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: var(--border-radius-full);
}

.navbar-toggler {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-fixed);
}

.navbar-toggler span {
  width: 100%;
  height: 3px;
  background-color: var(--text-primary);
  border-radius: var(--border-radius-full);
  transition: var(--transition-fast);
}

.navbar-toggler.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.navbar-toggler.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggler.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile navigation */
@media (max-width: 767px) {
  .navbar-toggler {
    display: flex;
  }
  
  .navbar-menu {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: var(--transition-normal);
  }
  
  .navbar-menu.active {
    max-height: 500px;
    opacity: 1;
  }
  
  .navbar-menu a {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
  }
  
  .navbar-menu a.active::after {
    display: none;
  }
}

/* ============================================
   2. File Upload Styles
   ============================================ */

.drop-zone {
  position: relative;
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  background-color: var(--bg-secondary);
  transition: var(--transition-normal);
  cursor: pointer;
}

.drop-zone:hover {
  border-color: var(--primary-color);
  background-color: var(--bg-hover);
}

.drop-zone.drag-over {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  opacity: 0.1;
  transform: scale(1.02);
}

.drop-zone-icon {
  font-size: var(--font-size-4xl);
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.drop-zone-text {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.drop-zone-hint {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Progress bar */
.progress {
  width: 100%;
  height: 8px;
  background-color: var(--bg-tertiary);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  margin-top: var(--spacing-sm);
}

/* Progress bar - uses transform for performance */
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  border-radius: var(--border-radius-full);
  transition: width var(--transition-normal);
  position: relative;
  overflow: hidden;
  will-change: width;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: progress-shimmer 1.5s infinite;
  will-change: transform;
}

@keyframes progress-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Upload status message */
.upload-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  border-left: 4px solid;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.upload-message.info {
  background-color: var(--status-info-light);
  border-color: var(--status-info);
  color: var(--status-info);
}

.upload-message.success {
  background-color: var(--status-success-light);
  border-color: var(--status-success);
  color: var(--status-success);
}

.upload-message.error {
  background-color: var(--status-error-light);
  border-color: var(--status-error);
  color: var(--status-error);
}

/* ============================================
   3. Status Monitor Styles
   ============================================ */

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.status-indicator.status-queued {
  background-color: var(--status-info-light);
  color: var(--status-info);
}

.status-indicator.status-in-progress {
  background-color: var(--status-warning-light);
  color: var(--status-warning);
}

.status-indicator.status-completed {
  background-color: var(--status-success-light);
  color: var(--status-success);
}

.status-indicator.status-failed {
  background-color: var(--status-error-light);
  color: var(--status-error);
}

.status-icon {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.status-queued .status-icon {
  background-color: var(--status-info);
}

.status-in-progress .status-icon {
  background-color: var(--status-warning);
}

.status-completed .status-icon {
  background-color: var(--status-success);
  animation: none;
}

.status-failed .status-icon {
  background-color: var(--status-error);
  animation: none;
}

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

/* ============================================
   4. Log Viewer Styles
   ============================================ */

.log-viewer {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  max-height: 400px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  contain: strict;
}

.log-viewer::-webkit-scrollbar {
  width: 8px;
}

.log-viewer::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-sm);
}

.log-viewer::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--border-radius-sm);
}

.log-viewer::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.log-error {
  color: var(--status-error);
  font-weight: var(--font-weight-semibold);
}

.log-success {
  color: var(--status-success);
  font-weight: var(--font-weight-semibold);
}

.log-warning {
  color: var(--status-warning);
  font-weight: var(--font-weight-semibold);
}

.log-step {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
}

.log-info {
  color: var(--text-secondary);
}

/* ============================================
   5. Table Styles
   ============================================ */

.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
}

.table thead {
  background-color: var(--bg-secondary);
}

.table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
}

.table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.table tbody tr {
  transition: var(--transition-fast);
}

.table tbody tr:hover {
  background-color: var(--bg-hover);
}

.table-striped tbody tr:nth-child(odd) {
  background-color: var(--bg-secondary);
}

.table-bordered {
  border: 1px solid var(--border-color);
}

.table-bordered th,
.table-bordered td {
  border: 1px solid var(--border-color);
}

/* ============================================
   6. Animation Classes
   ============================================ */

/* Fade in animation - uses opacity and transform for performance */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn var(--animation-duration-normal) var(--animation-easing);
  will-change: opacity, transform;
}

.fade-in.animated {
  will-change: auto;
}

/* Slide in from left - uses transform for performance */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInLeft var(--animation-duration-normal) var(--animation-easing);
  will-change: opacity, transform;
}

.slide-in-left.animated {
  will-change: auto;
}

/* Slide in from right - uses transform for performance */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight var(--animation-duration-normal) var(--animation-easing);
  will-change: opacity, transform;
}

.slide-in-right.animated {
  will-change: auto;
}

/* Scale up - uses transform and opacity for performance */
@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.scale-up {
  animation: scaleUp var(--animation-duration-fast) var(--animation-easing);
  will-change: opacity, transform;
}

.scale-up.animated {
  will-change: auto;
}

/* Bounce - uses transform for performance */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.bounce {
  animation: bounce 1s infinite;
  will-change: transform;
}

/* Spin - uses transform for performance */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.spin {
  animation: spin 1s linear infinite;
  will-change: transform;
}

/* ============================================
   7. Hover and Focus Effects
   ============================================ */

/* Card hover effect - uses transform for performance */
.card-interactive {
  cursor: pointer;
  transition: var(--transition-normal);
  will-change: transform;
}

.card-interactive:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-interactive:active {
  transform: translateY(-4px);
}

.card-interactive:not(:hover):not(:active) {
  will-change: auto;
}

/* Button ripple effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
  width: 300px;
  height: 300px;
}

/* Link underline animation - uses transform for performance */
.link-animated {
  position: relative;
  text-decoration: none;
}

.link-animated::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-normal);
  will-change: width;
}

.link-animated:hover::after {
  width: 100%;
}

.link-animated:not(:hover)::after {
  will-change: auto;
}

/* Focus ring */
.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-color), 0 0 0 5px rgba(0, 102, 204, 0.2);
}

/* Glow effect - uses box-shadow for performance */
.glow {
  box-shadow: 0 0 20px rgba(0, 102, 204, 0.5);
  transition: var(--transition-normal);
}

.glow:hover {
  box-shadow: 0 0 30px rgba(0, 102, 204, 0.7);
}

/* ============================================
   8. Loading States
   ============================================ */

.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--primary-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    var(--bg-hover) 50%,
    var(--bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--border-radius-md);
}

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

/* ============================================
   9. Alert/Notification Styles
   ============================================ */

.alert {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  border-left: 4px solid;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.alert-success {
  background-color: var(--status-success-light);
  border-color: var(--status-success);
  color: var(--status-success);
}

.alert-warning {
  background-color: var(--status-warning-light);
  border-color: var(--status-warning);
  color: var(--status-warning);
}

.alert-error {
  background-color: var(--status-error-light);
  border-color: var(--status-error);
  color: var(--status-error);
}

.alert-info {
  background-color: var(--status-info-light);
  border-color: var(--status-info);
  color: var(--status-info);
}

.alert-icon {
  flex-shrink: 0;
  font-size: var(--font-size-xl);
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
}

.alert-message {
  font-size: var(--font-size-sm);
}

/* ============================================
   10. Badge Styles
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--border-radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--primary-color);
  color: var(--text-inverse);
}

.badge-secondary {
  background-color: var(--secondary-color);
  color: var(--text-inverse);
}

.badge-success {
  background-color: var(--status-success);
  color: var(--text-inverse);
}

.badge-warning {
  background-color: var(--status-warning);
  color: var(--text-primary);
}

.badge-error {
  background-color: var(--status-error);
  color: var(--text-inverse);
}

.badge-info {
  background-color: var(--status-info);
  color: var(--text-inverse);
}

/* ============================================
   11. Tooltip Styles
   ============================================ */

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-text {
  visibility: hidden;
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--text-primary);
  color: var(--text-inverse);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  z-index: var(--z-tooltip);
  opacity: 0;
  transition: var(--transition-fast);
}

.tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--text-primary) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* ============================================
   12. Page Load Animation
   ============================================ */

body.loaded {
  animation: fadeIn 0.5s ease-in;
}

body.loaded .section {
  animation: fadeIn 0.8s ease-in;
}

/* Stagger animation for cards */
.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }
.card:nth-child(5) { animation-delay: 0.5s; }
.card:nth-child(6) { animation-delay: 0.6s; }