/**
 * Stage 7 Error Handler CSS
 * Styling for error messages, recovery indicators, and user feedback
 * Follows WCAG 2.2 AA accessibility standards
 */

/* Error Modal Content */
.error-modal-content {
  padding: 1.5rem;
  max-width: 500px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.error-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color, #e1e5e9);
}

.error-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.error-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--error-title-color, #d73a49);
}

.error-description {
  margin-bottom: 1.25rem;
  color: var(--text-color, #24292e);
  line-height: 1.5;
}

.error-description p {
  margin: 0 0 0.75rem 0;
}

.error-description p:last-child {
  margin-bottom: 0;
}

/* Recovery Status */
.error-recovery {
  background: var(--info-bg, #f6f8fa);
  border: 1px solid var(--info-border, #d1d9e0);
  border-radius: 6px;
  padding: 0.75rem;
  margin-bottom: 1rem;
}

.recovery-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--info-text, #586069);
}

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

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

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation: pulse 2s ease-in-out infinite;
  }

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

/* Error Actions */
.error-actions {
  margin-bottom: 1rem;
}

.error-actions h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color, #24292e);
}

.error-actions ul {
  margin: 0;
  padding-left: 1.25rem;
  list-style-type: disc;
}

.error-actions li {
  margin-bottom: 0.375rem;
  line-height: 1.4;
  color: var(--text-color-secondary, #586069);
}

.error-actions li:last-child {
  margin-bottom: 0;
}

/* Retry Information */
.retry-info {
  background: var(--warning-bg, #fff8c5);
  border: 1px solid var(--warning-border, #f9c513);
  border-radius: 6px;
  padding: 0.75rem;
  margin-bottom: 1rem;
}

.retry-info p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--warning-text, #735c0f);
}

.retry-info strong {
  font-weight: 600;
}

/* Technical Details */
.technical-details {
  margin-top: 1rem;
  border: 1px solid var(--border-color, #e1e5e9);
  border-radius: 6px;
}

.technical-details summary {
  padding: 0.75rem;
  background: var(--bg-secondary, #f6f8fa);
  border-radius: 6px 6px 0 0;
  cursor: pointer;
  font-weight: 500;
  user-select: none;
}

.technical-details summary:hover {
  background: var(--bg-hover, #f1f3f4);
}

.technical-details summary:focus {
  outline: 2px solid var(--focus-color, #0366d6);
  outline-offset: -2px;
}

.technical-content {
  padding: 0.75rem;
  border-top: 1px solid var(--border-color, #e1e5e9);
}

.technical-content p {
  margin: 0 0 0.5rem 0;
  font-size: 0.875rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.technical-content p:last-child {
  margin-bottom: 0;
}

.technical-content pre {
  background: var(--code-bg, #f6f8fa);
  border: 1px solid var(--border-color, #e1e5e9);
  border-radius: 3px;
  padding: 0.75rem;
  margin: 0.5rem 0 0 0;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.4;
}

/* Inline Error Messages */
.upload-error-message {
  background: var(--error-bg, #ffeaea);
  border: 1px solid var(--error-border, #f97583);
  border-radius: 6px;
  padding: 0.75rem;
  margin-top: 0.5rem;
  color: var(--error-text, #d73a49);
  font-size: 0.9rem;
  line-height: 1.4;
}

.file-upload-error .upload-error-message {
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Recovery Choice Modal (for future use) */
.recovery-choice-modal {
  padding: 1.5rem;
  max-width: 600px;
}

.recovery-choice-header {
  margin-bottom: 1.5rem;
}

.recovery-choice-description {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-color, #24292e);
}

.recovery-choice-benefit {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-color-secondary, #586069);
}

.recovery-choice-options {
  border: 1px solid var(--border-color, #e1e5e9);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.recovery-choice-options legend {
  font-weight: 600;
  color: var(--text-color, #24292e);
}

.recovery-choice-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  margin: 0.5rem 0;
  border: 1px solid var(--border-color, #e1e5e9);
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.recovery-choice-option:hover {
  background: var(--bg-hover, #f6f8fa);
}

.recovery-choice-option input[type="radio"] {
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.recovery-choice-label {
  flex: 1;
  cursor: pointer;
}

.recovery-choice-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-color, #24292e);
}

.recovery-choice-description {
  font-size: 0.9rem;
  color: var(--text-color-secondary, #586069);
  margin: 0;
}

.recovery-choice-timeout {
  text-align: center;
  margin-bottom: 1.5rem;
  padding: 0.75rem;
  background: var(--info-bg, #f6f8fa);
  border-radius: 6px;
}

.recovery-choice-timeout-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--info-text, #586069);
}

.recovery-choice-countdown {
  font-weight: 600;
  color: var(--accent-color, #0366d6);
}

.recovery-choice-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

.recovery-choice-confirm,
.recovery-choice-auto {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color, #e1e5e9);
  border-radius: 6px;
  background: var(--bg-primary, #ffffff);
  color: var(--text-color, #24292e);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.recovery-choice-confirm {
  background: var(--accent-color, #0366d6);
  color: white;
  border-color: var(--accent-color, #0366d6);
}

.recovery-choice-confirm:hover {
  background: var(--accent-color-hover, #0256cc);
  border-color: var(--accent-color-hover, #0256cc);
}

.recovery-choice-auto:hover {
  background: var(--bg-hover, #f6f8fa);
}

.recovery-choice-confirm:focus,
.recovery-choice-auto:focus {
  outline: 2px solid var(--focus-color, #0366d6);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .error-modal-content {
    border: 2px solid currentColor;
  }

  .error-recovery,
  .retry-info,
  .technical-details {
    border-width: 2px;
  }

  .recovery-choice-option {
    border-width: 2px;
  }

  .recovery-choice-option:hover {
    background: ButtonFace;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .error-modal-content {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-hover: #21262d;
    --text-color: #e6edf3;
    --text-color-secondary: #7d8590;
    --border-color: #30363d;
    --error-title-color: #ff7b72;
    --error-bg: #2d1117;
    --error-border: #6e2c00;
    --error-text: #ffa198;
    --info-bg: #0c2d6b;
    --info-border: #1f6feb;
    --info-text: #79c0ff;
    --warning-bg: #341a00;
    --warning-border: #f85149;
    --warning-text: #ffab70;
    --code-bg: #161b22;
    --accent-color: #1f6feb;
    --accent-color-hover: #388bfd;
    --focus-color: #1f6feb;
  }
}

/* Print Styles */
@media print {
  .error-modal-content {
    box-shadow: none;
    border: 1px solid #000;
  }

  .spinner {
    animation: none;
  }

  .spinner::after {
    content: " (in progress)";
    font-style: italic;
  }

  .recovery-choice-actions {
    display: none;
  }

  .technical-details summary::after {
    content: " (expanded)";
    font-style: italic;
  }
}

/* Screen Reader Only Content */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Focus Management */
.error-modal-content:focus {
  outline: none;
}

.error-modal-content [tabindex="-1"]:focus {
  outline: none;
}

/* Animation Respect */
@media (prefers-reduced-motion: reduce) {
  .recovery-choice-option,
  .recovery-choice-confirm,
  .recovery-choice-auto,
  .upload-error-message {
    transition: none;
  }

  .slideIn {
    animation: none;
  }
}