/* Accessibility Enhancements for HM Herbs */
/* WCAG 2.1 AA Compliance and Universal Design */

/* Screen Reader Only Content */
.sr-only {
  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;
}

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

/* Skip Links for Keyboard Navigation */
.skip-links {
  position: absolute;
  top: -40px;
  left: 6px;
  z-index: 9999;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-green);
  color: var(--white);
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  z-index: 10000;
  transition: top 0.3s ease;
}

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

/* Enhanced Focus Indicators */
*:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

/* High contrast focus for better visibility */
.btn:focus,
.form-control:focus,
.search-input:focus {
  outline: 3px solid var(--primary-green);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px rgba(var(--brand-primary-rgb), 0.2);
}

.nav-menu a:focus:not([aria-current="page"]),
.nav-menu a:focus-visible:not([aria-current="page"]) {
  outline: 3px solid var(--primary-green);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px rgba(var(--brand-primary-rgb), 0.2);
}

/* Focus within for compound components */
.search-container:focus-within,
.dropdown:focus-within {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Color Contrast Enhancements */
/* Ensure all text meets WCAG AA standards (4.5:1 ratio) */

.text-muted {
  color: var(--gray-600);
  /* Improved contrast from gray-500 */
}

.btn-secondary {
  background-color: var(--gray-700);
  color: var(--white);
  border-color: var(--gray-700);
}

.btn-secondary:hover {
  background-color: var(--gray-800);
  border-color: var(--gray-800);
}

/* Link contrast improvements */
a:not(:is(
    .nav-menu a,
    #nav-menu a,
    #navbar-menu a,
    .hm-accent-link,
    .edsa-nav-link,
    .breadcrumb-item a,
    .contact-item a,
    .contact-info-box a,
    .edsa-manage-link a,
    .top-link,
    .product-link,
    .brand-link,
    .product-title-link,
    .btn,
    .btn-accent,
    .auth-btn,
    .browse-card,
    .social-links a
  )) {
  color: var(--primary-green-dark);
  /* Darker for better contrast */
  text-decoration: underline;
}

a.browse-card,
a.browse-card:hover,
a.browse-card:focus,
a.browse-card:focus-visible,
a.browse-card:visited {
  text-decoration: none !important;
}

a:hover:not(:is(
    .nav-menu a,
    #nav-menu a,
    #navbar-menu a,
    .hm-accent-link,
    .edsa-nav-link,
    .breadcrumb-item a,
    .contact-item a,
    .contact-info-box a,
    .edsa-manage-link a,
    .top-link,
    .product-link,
    .brand-link,
    .product-title-link,
    .btn,
    .btn-accent,
    .auth-btn,
    .browse-card,
    .social-links a
  )),
a:focus:not(:is(
    .nav-menu a,
    #nav-menu a,
    #navbar-menu a,
    .hm-accent-link,
    .edsa-nav-link,
    .breadcrumb-item a,
    .contact-item a,
    .contact-info-box a,
    .edsa-manage-link a,
    .top-link,
    .product-link,
    .brand-link,
    .product-title-link,
    .btn,
    .btn-accent,
    .auth-btn,
    .browse-card,
    .social-links a
  )),
a:focus-visible:not(:is(
    .nav-menu a,
    #nav-menu a,
    #navbar-menu a,
    .hm-accent-link,
    .edsa-nav-link,
    .breadcrumb-item a,
    .contact-item a,
    .contact-info-box a,
    .edsa-manage-link a,
    .top-link,
    .product-link,
    .brand-link,
    .product-title-link,
    .btn,
    .btn-accent,
    .auth-btn,
    .browse-card,
    .social-links a
  )) {
  color: var(--primary-green);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

/* Form Accessibility Enhancements */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--gray-800);
}

.form-label.required::after {
  content: " *";
  color: var(--error);
  font-weight: bold;
}

.form-control {
  border: 2px solid var(--gray-300);
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
  border-color: var(--primary-green);
  box-shadow: var(--brand-focus-ring);
}

.form-control[aria-invalid="true"] {
  border-color: var(--error);
}

.form-control[aria-invalid="true"]:focus {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* Error Message Styling */
.error-message {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

/* Success Message Styling */
.success-message {
  color: var(--success);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.success-message::before {
  content: "\2713";
  font-weight: bold;
}

/* Button Accessibility */
.btn {
  min-height: 44px;
  /* WCAG touch target size */
  min-width: 44px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--gray-300);
  color: var(--gray-600);
}

.btn:disabled:focus {
  outline: 2px solid var(--gray-400);
}

/* Loading state for buttons */
.btn.loading {
  color: transparent;
}

.btn.loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

  100% {
    transform: rotate(360deg);
  }
}

/* Navigation Accessibility */
.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  display: block;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--gray-800);
  font-weight: 500;
  border-radius: 4px;
  transition: all 0.15s ease;
}

@media (max-width: 1100px) {
  .nav-menu.show li,
  #nav-menu.show li,
  #navbar-menu.show li,
  .header-content .nav-menu.show li {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .nav-menu.show a,
  #nav-menu.show a,
  #navbar-menu.show a,
  .header-content .nav-menu.show a {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
    color: #374151 !important;
  }
}

/* Mobile Menu Accessibility */
.mobile-menu-toggle {
  background: none;
  border: 2px solid var(--gray-300);
  padding: 8px;
  border-radius: 4px;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

.mobile-menu-toggle:focus {
  border-color: var(--primary-green);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Modal Accessibility */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal[aria-hidden="true"] {
  display: none;
}

.modal-content {
  background: var(--white);
  border-radius: 8px;
  padding: 24px;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  box-sizing: border-box;
  width: 2.75rem;
  height: 2.75rem;
  min-height: 44px;
  min-width: 44px;
  padding: 0;
  border: none;
  border-radius: 0.65rem;
  background: var(--hm-close-fill, #e75b4f);
  color: var(--white);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(231, 91, 79, 0.35);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.modal-close:hover {
  background: var(--hm-close-fill-hover, #f0786d);
  transform: scale(1.06);
  box-shadow: 0 4px 14px rgba(231, 91, 79, 0.45);
}

.modal-close:active {
  background: var(--hm-close-fill-active, #cf4a40);
  transform: scale(0.94);
}

.modal-close:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

/* Table Accessibility */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.table th,
.table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.table th {
  background-color: var(--gray-50);
  font-weight: 600;
  color: var(--gray-800);
}

.table caption {
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-800);
  caption-side: top;
}

/* Image Accessibility */
img {
  max-width: 100%;
  height: auto;
}

.decorative-image {
  /* For decorative images that should be ignored by screen readers */
  alt: "";
  role: "presentation";
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .btn-primary {
    background-color: var(--primary-green);
    border: 2px solid var(--primary-green-dark);
    color: var(--white);
  }

  .btn-secondary {
    background-color: var(--white);
    border: 2px solid var(--gray-800);
    color: var(--gray-800);
  }

  .form-control {
    border: 2px solid var(--gray-800);
  }

  .nav-menu a {
    border: 1px solid transparent;
  }

  .nav-menu a:hover {
    border-color: var(--primary-green);
  }
}

/* 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;
  }

  .btn.loading::after {
    animation: none;
    content: "Loading...";
    position: static;
    width: auto;
    height: auto;
    border: none;
    margin: 0;
  }
}

/* Print Accessibility */
@media print {

  .skip-links,
  .mobile-menu-toggle,
  .search-container,
  .modal {
    display: none !important;
  }

  a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: var(--gray-600);
  }

  a[href^="#"]::after,
  a[href^="javascript:"]::after {
    content: "";
  }
}

/* Touch Device Optimizations */
@media (pointer: coarse) {

  .btn,
  .nav-menu a,
  .form-control,
  .mobile-menu-toggle {
    min-height: 48px;
    /* Larger touch targets for touch devices */
  }

  .btn {
    padding: 16px 24px;
  }
}

/* Keyboard Navigation Enhancements */
.keyboard-user *:focus {
  outline: 3px solid var(--primary-green);
  outline-offset: 2px;
}

/* Focus trap for modals */
.focus-trap {
  /* JavaScript will handle focus trapping */
}

/* Announcement region for dynamic content */
.sr-announcement {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

[aria-live="polite"]:not(.sr-announcement),
[aria-live="assertive"]:not(.sr-announcement) {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Status indicators */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.status-indicator.success {
  color: var(--success);
}

.status-indicator.error {
  color: var(--error);
}

.status-indicator.warning {
  color: var(--warning);
}

.status-indicator.info {
  color: var(--info);
}