/* Accessibility Enhancement Styles for Tweener */

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-width: 2px;
    --focus-ring-width: 3px;
  }
  
  .btn, button, [role="button"] {
    border-width: var(--border-width);
    font-weight: 600;
  }
  
  .text-gray-500, .text-gray-400 {
    color: #000 !important;
  }
  
  .dark .text-gray-500, .dark .text-gray-400 {
    color: #fff !important;
  }
}

/* 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;
    scroll-behavior: auto !important;
  }
  
  /* Keep essential animations but make them faster */
  .loading-spinner, [data-loading] {
    animation-duration: 0.3s !important;
  }
}

/* Enhanced focus indicators */
.focus-ring {
  outline: none;
  transition: box-shadow 0.15s ease-in-out;
}

.focus-ring:focus,
.focus-ring:focus-visible {
  box-shadow: 0 0 0 var(--focus-ring-width, 2px) #3B82F6,
              0 0 0 calc(var(--focus-ring-width, 2px) + 2px) rgba(59, 130, 246, 0.2);
}

.dark .focus-ring:focus,
.dark .focus-ring:focus-visible {
  box-shadow: 0 0 0 var(--focus-ring-width, 2px) #60A5FA,
              0 0 0 calc(var(--focus-ring-width, 2px) + 2px) rgba(96, 165, 250, 0.3);
}

/* Skip link styling */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: #000;
  color: #fff;
  padding: 8px 16px;
  text-decoration: none;
  font-weight: 600;
  border-radius: 4px;
  z-index: 9999;
  transition: top 0.3s ease;
}

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

/* Screen reader only content */
.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;
}

.sr-only:focus,
.sr-only:active {
  position: static;
  width: auto;
  height: auto;
  padding: inherit;
  margin: inherit;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Enhanced button states */
button:disabled,
[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
}

button:disabled:hover,
[aria-disabled="true"]:hover {
  transform: none;
  box-shadow: none;
}

/* Form accessibility */
.form-group {
  position: relative;
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: inherit;
}

.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #D1D5DB;
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  border-color: #3B82F6;
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input[aria-invalid="true"] {
  border-color: #DC2626;
}

.form-error {
  color: #DC2626;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-error::before {
  content: "⚠";
  font-weight: bold;
}

/* Dark mode form styles */
.dark .form-input {
  background-color: #374151;
  border-color: #4B5563;
  color: #F9FAFB;
}

.dark .form-input:focus {
  border-color: #60A5FA;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

/* Enhanced link states */
a:focus-visible {
  outline: 2px solid #3B82F6;
  outline-offset: 2px;
}

/* Tooltip accessibility */
[role="tooltip"] {
  background: #1F2937;
  color: #F9FAFB;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  z-index: 50;
}

.dark [role="tooltip"] {
  background: #F9FAFB;
  color: #1F2937;
}

/* Loading states */
[aria-busy="true"] {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

[aria-busy="true"]::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid #3B82F6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Alert/notification accessibility */
[role="alert"],
[role="status"] {
  padding: 1rem;
  border-radius: 0.5rem;
  border-left: 4px solid;
  margin-bottom: 1rem;
}

[role="alert"] {
  background-color: #FEF2F2;
  border-color: #DC2626;
  color: #7F1D1D;
}

[role="status"] {
  background-color: #F0FDF4;
  border-color: #16A34A;
  color: #14532D;
}

.dark [role="alert"] {
  background-color: rgba(220, 38, 38, 0.1);
  color: #FCA5A5;
}

.dark [role="status"] {
  background-color: rgba(22, 163, 74, 0.1);
  color: #86EFAC;
}

/* Mobile touch targets */
@media (pointer: coarse) {
  button,
  [role="button"],
  a,
  textarea,
  select {
    min-height: 44px;
    min-width: 44px;
  }
  
  .touch-target {
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Print styles */
@media print {
  .no-print,
  .sidebar,
  .navbar,
  button,
  [role="button"] {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
    background: #fff;
  }
  
  a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}