/* SEO and Performance Enhancements */

/* Loading Placeholder */
.loading-placeholder {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-secondary);
  font-style: italic;
}

.loading-placeholder::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-primary);
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: 0.5rem;
  vertical-align: middle;
}

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

/* Footer Styles */
.footer {
  background: var(--color-charcoal-800);
  border-top: 1px solid var(--color-border);
  margin-top: 3rem;
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
}

.footer-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color 0.2s ease;
}

.footer-nav a:hover,
.footer-nav a:focus {
  color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to content link for screen readers */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 6px;
}

/* Improved focus styles */
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-border: #ffffff;
    --color-text: #ffffff;
    --color-background: #000000;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .loading-placeholder::after {
    animation: none;
  }
}

/* Print styles */
@media print {
  .action-grid,
  .footer-nav,
  .notification-container,
  .modal {
    display: none !important;
  }
  
  .server-card {
    break-inside: avoid;
  }
}

/* Responsive Footer */
@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-nav {
    justify-content: center;
  }
}