/* ============================================
   ERROR ALERT STYLES
   User-friendly error messages with actions
   ============================================ */

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

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-information-500);
  color: var(--color-neutral-white);
  padding: 8px 16px;
  text-decoration: none;
  font-weight: 600;
  z-index: var(--z-modal);
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  top: 0;
}

#error-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: var(--z-modal);
  max-width: 500px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(20px);
  transition: all 0.3s ease;
}

#error-container.visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.error-alert {
  background: var(--color-neutral-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 20px;
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  border-left: 4px solid var(--color-grey-900);
  animation: slideIn 0.3s ease;
}

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

.error-alert.error-validation {
  border-left-color: var(--color-warning-500);
  background: var(--color-warning-100);
}

.error-alert.error-client {
  border-left-color: var(--color-information-500);
  background: var(--color-information-100);
}

.error-alert.error-server {
  border-left-color: var(--color-danger-500);
  background: var(--color-danger-100);
}

.error-alert.error-critical {
  border-left-color: var(--color-danger-700);
  background: var(--color-danger-100);
}

.error-icon {
  font-size: 24px;
  line-height: 1;
  flex-shrink: 0;
}

.error-content {
  flex: 1;
  min-width: 0;
}

.error-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: var(--color-text-900);
}

.error-message {
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 12px 0;
  color: var(--color-text-800);
}

.error-actions {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.error-actions-title {
  font-size: 13px;
  font-weight: 600;
  margin: 0 0 8px 0;
  color: var(--color-text-900);
}

.error-actions-list {
  margin: 0;
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-700);
}

.error-actions-list li {
  margin-bottom: 4px;
}

.error-details {
  margin-top: 12px;
  font-size: 12px;
}

.error-details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text-700);
  user-select: none;
}

.error-details summary:hover {
  color: var(--color-text-900);
}

.error-details pre {
  margin-top: 8px;
  padding: 12px;
  background: var(--color-grey-900);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  line-height: 1.4;
  color: var(--color-text-800);
}

.error-close {
  background: none;
  border: none;
  font-size: 24px;
  line-height: 1;
  color: var(--color-text-600);
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: color 0.2s;
}

.error-close:hover {
  color: var(--color-text-900);
}

.error-close:focus {
  outline: 2px solid var(--color-information-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  #error-container {
    top: 70px;
    right: 12px;
    left: 12px;
    max-width: none;
  }
  
  .error-alert {
    padding: 16px;
  }
  
  .error-title {
    font-size: 15px;
  }
  
  .error-message {
    font-size: 13px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  #error-container,
  .error-alert {
    animation: none;
    transition: none;
  }
}