/* Accessibility improvements */
:root {
  --focus-outline: 3px solid var(--accent-color);
}

/* Focus styles */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
[tabindex]:focus {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Skip to content link */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-color);
  color: white;
  padding: 8px;
  z-index: 100;
  transition: top 0.3s;
}

.skip-to-content:focus {
  top: 0;
}

/* Improved contrast */
.high-contrast {
  --primary-color: #003366;
  --secondary-color: #0056b3;
  --accent-color: #008000;
  --text-color: #000000;
  --light-text-color: #ffffff;
  --border-color: #000000;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
    scroll-behavior: auto !important;
  }
  
  .animate-fade-in,
  .reveal,
  .hover-lift:hover,
  .card:hover,
  .btn:hover,
  .profile-image:hover {
    animation: none !important;
    transform: none !important;
  }
}

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

/* Improved form accessibility */
input[type="checkbox"],
input[type="radio"] {
  width: auto;
  margin-right: 0.5rem;
}

/* ARIA support */
[aria-hidden="true"] {
  display: none;
}

/* Keyboard navigation indicators */
body:not(.user-is-tabbing) button:focus,
body:not(.user-is-tabbing) input:focus,
body:not(.user-is-tabbing) select:focus,
body:not(.user-is-tabbing) textarea:focus {
  outline: none;
}

/* Improved link underlines */
.underline-links a:not(.btn) {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.underline-links a:not(.btn):hover {
  text-decoration-thickness: 2px;
}

/* Improved color contrast for placeholders */
::placeholder {
  color: #666;
  opacity: 1;
}

/* Improved focus for interactive elements */
.card:focus-within {
  box-shadow: 0 0 0 3px var(--accent-color);
}

/* Improved table accessibility */
table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 1.5rem;
}

th {
  text-align: left;
  background-color: var(--light-color);
}

th, td {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
}

caption {
  font-weight: bold;
  margin-bottom: 0.5rem;
}

/* Improved list markers */
ul:not(.social-icons):not(.footer-links):not(nav ul) {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

ol {
  list-style-type: decimal;
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Improved blockquote */
blockquote {
  border-left: 4px solid var(--accent-color);
  padding-left: 1rem;
  margin-left: 0;
  margin-right: 0;
  font-style: italic;
}

/* Improved code blocks */
code {
  font-family: monospace;
  background-color: var(--light-color);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
}

pre {
  background-color: var(--light-color);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

pre code {
  background-color: transparent;
  padding: 0;
}

/* Improved image accessibility */
img {
  max-width: 100%;
  height: auto;
}

/* Improved form error states */
.form-error {
  color: #d32f2f;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

input.error,
textarea.error,
select.error {
  border-color: #d32f2f;
}

/* Improved required field indicators */
.required::after {
  content: "*";
  color: #d32f2f;
  margin-left: 0.25rem;
}

/* Improved focus within */
.form-group:focus-within label {
  color: var(--secondary-color);
}

/* Improved keyboard focus styles */
.keyboard-focus {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Improved ARIA landmarks */
[role="banner"],
[role="navigation"],
[role="main"],
[role="contentinfo"] {
  display: block;
}

/* Improved dark mode contrast */
body.dark-theme {
  --text-color: #f0f0f0;
}

/* Improved link indicators */
a[href^="http"]:not([href*="jonathan-goedeke.de"])::after {
  content: " ↗";
  font-size: 0.8em;
}

/* Improved focus visible */
:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Improved form labels */
label {
  display: inline-block;
  margin-bottom: 0.5rem;
}

/* Improved button states */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Improved form field sizing */
input, select, textarea {
  font-size: 16px; /* Prevents zoom on iOS */
}

/* Improved touch targets */
@media (max-width: 768px) {
  button, 
  .btn,
  input[type="submit"],
  input[type="button"],
  input[type="reset"],
  a.btn,
  nav a {
    min-height: 44px;
    min-width: 44px;
    padding: 0.75rem 1rem;
  }
}

/* Placeholder image for profile */
.profile-image {
  background-color: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #666;
  font-size: 3rem;
  overflow: hidden;
}

.profile-image::before {
  content: "\f007"; /* Font Awesome user icon */
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
}