/* --- Components Styles --- */

/* --- A. Navigation --- */

/* A.1 Skip Link */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-primary);
  color: var(--c-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 9999;
  text-decoration: none;
  font-weight: bold;
}

.skip-link:focus {
  top: var(--space-4);
}

/* A.2 Breadcrumbs */
.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 0;
  margin: 0;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  color: var(--c-gray-500);
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin: 0 var(--space-2);
  color: var(--c-gray-400);
}

.breadcrumb a {
  color: var(--c-gray-600);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--c-primary);
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: var(--c-gray-900);
  font-weight: 600;
}

/* A.3 Tabs */
.tabs {
  margin-bottom: var(--space-8);
}

.tab-list {
  display: flex;
  border-bottom: 1px solid var(--c-gray-300);
  margin-bottom: var(--space-4);
  overflow-x: auto;
}

.tab-button {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  padding: var(--space-3) var(--space-6);
  cursor: pointer;
  font-size: var(--fs-base);
  color: var(--c-gray-600);
  font-weight: 500;
  transition: color 0.2s, border-color 0.2s;
}

.tab-button:hover {
  color: var(--c-primary);
}

.tab-button[aria-selected="true"] {
  color: var(--c-primary);
  border-bottom-color: var(--c-primary);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-panel:not([hidden]) {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* A.4 Main Navigation (Simple Responsive) */
.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-6);
}

.nav-link {
  color: var(--c-gray-700);
  text-decoration: none;
  font-weight: 500;
}

.nav-link:hover {
  color: var(--c-primary);
}

.mobile-menu-btn {
  display: none; /* Hidden on desktop */
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    font-size: var(--fs-xl);
    cursor: pointer;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-white);
    flex-direction: column;
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
    z-index: 100;
  }

  .nav-list.is-open {
    display: flex;
  }
}

/* --- B. Forms --- */

/* B.1 Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: 1px solid transparent;
  font-size: var(--fs-base);
  line-height: 1.5;
}

.btn-primary {
  background-color: var(--c-primary);
  color: var(--c-white);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--c-primary-dark);
}

.btn-secondary {
  background-color: var(--c-secondary-light);
  color: var(--c-secondary-dark);
}

.btn-secondary:hover:not(:disabled) {
  background-color: #A7F3D0; /* Custom hover for secondary */
}

.btn-outline {
  background-color: transparent;
  border-color: var(--c-gray-300);
  color: var(--c-gray-700);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--c-gray-400);
  background-color: var(--c-gray-50);
}

.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none; /* If using aria-disabled="true", handle click prevention in JS or css pointer-events */
}

/* B.2 Inputs */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--c-gray-800);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--c-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  color: var(--c-gray-900);
  background-color: var(--c-white);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:hover {
  border-color: var(--c-gray-400);
}

.form-input:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-light);
  outline: none;
}

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

.form-input[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 3px var(--c-error-bg);
}

.form-error {
  display: block;
  color: var(--c-error);
  font-size: var(--fs-sm);
  margin-top: var(--space-1);
}

/* B.3 Custom Checkbox/Radio */
.custom-control {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-2);
  cursor: pointer;
}

.custom-control-input {
  /* Visually hidden but focusable */
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.custom-control-indicator {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--c-gray-400);
  border-radius: var(--radius-sm);
  margin-right: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  background: var(--c-white);
}

.custom-radio .custom-control-indicator {
  border-radius: 50%;
}

.custom-control-input:focus + .custom-control-indicator {
  box-shadow: var(--focus-shadow);
  border-color: var(--c-primary);
}

.custom-control-input:checked + .custom-control-indicator {
  background-color: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-white);
}

/* Checkmark / Dot */
.custom-control-indicator::after {
  content: "";
  display: none;
}

.custom-checkbox .custom-control-input:checked + .custom-control-indicator::after {
  content: "✓";
  display: block;
  font-size: 0.8rem;
  line-height: 1;
}

.custom-radio .custom-control-input:checked + .custom-control-indicator::after {
  content: "";
  display: block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--c-white);
}

/* --- C. Content --- */

/* C.1 Accordion */
.accordion-item {
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  overflow: hidden;
}

.accordion-header button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4);
  background: var(--c-white);
  border: none;
  text-align: left;
  font-size: var(--fs-lg);
  font-weight: 600;
  cursor: pointer;
  color: var(--c-gray-800);
}

.accordion-header button:hover {
  background: var(--c-gray-50);
}

.accordion-header button[aria-expanded="true"] {
  background: var(--c-primary-light);
  color: var(--c-primary-dark);
}

.accordion-icon {
  transition: transform 0.3s;
}

.accordion-header button[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-panel {
  padding: var(--space-4);
  background: var(--c-white);
  border-top: 1px solid var(--c-gray-200);
  display: none;
}

.accordion-panel:not([hidden]) {
  display: block;
}

/* C.2 Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s;
}

.modal-overlay[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--c-white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: translateY(-20px);
  transition: transform 0.3s;
}

.modal-overlay[aria-hidden="false"] .modal-dialog {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--c-gray-500);
}

.modal-close-btn:hover {
  color: var(--c-gray-900);
}

/* C.3 Cards */
.card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-title a {
  text-decoration: none;
  color: var(--c-gray-900);
}

.card-title a::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

/* C.4 Alerts */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  border-left: 4px solid transparent;
}

.alert-info {
  background-color: var(--c-info-bg);
  color: var(--c-info);
  border-left-color: var(--c-info);
}

.alert-success {
  background-color: var(--c-success-bg);
  color: var(--c-success);
  border-left-color: var(--c-success);
}

.alert-error {
  background-color: var(--c-error-bg);
  color: var(--c-error);
  border-left-color: var(--c-error);
}

.alert-warning {
  background-color: var(--c-warning-bg);
  color: var(--c-warning);
  border-left-color: var(--c-warning);
}

/* --- D. Media --- */

/* D.1 Carousel */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-8);
}

.carousel-inner {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.carousel-slide {
  min-width: 100%;
  box-sizing: border-box;
}

.carousel-slide img {
  width: 100%;
  display: block;
}

.carousel-controls {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  background: rgba(0, 0, 0, 0.5);
  padding: var(--space-2);
  border-radius: var(--radius-pill);
}

.carousel-btn {
  background: transparent;
  border: none;
  color: var(--c-white);
  cursor: pointer;
  padding: var(--space-1);
}

.carousel-btn:hover {
  color: var(--c-primary-light);
}

/* --- E. New APG Components --- */

/* E.1 Combobox */
.wcag-combobox-wrapper {
  position: relative;
  margin-bottom: var(--space-4);
}

.combo-input-wrapper {
  display: flex;
  position: relative;
}

.combo-toggle-btn {
  background: transparent;
  border: none;
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  padding: 0 var(--space-2);
  cursor: pointer;
  color: var(--c-gray-500);
}

.combo-listbox {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--c-combobox-bg);
  border: 1px solid var(--c-combobox-border);
  border-radius: var(--radius-md);
  margin-top: var(--space-1);
  padding: 0;
  list-style: none;
  max-height: 200px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: var(--shadow-md);
  display: none;
}

.combo-listbox:not([hidden]) {
  display: block;
}

.combo-listbox li {
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  color: var(--c-gray-800);
}

.combo-listbox li:hover,
.combo-listbox li[aria-selected="true"], 
.combo-listbox li.focused {
  background-color: var(--c-combobox-hover-bg);
  color: var(--c-gray-900);
}

.combo-listbox li[aria-selected="true"] {
  background-color: var(--c-combobox-selected-bg);
  color: var(--c-combobox-selected-text);
  font-weight: bold;
}

/* E.2 Disclosure */
.wcag-disclosure {
  margin-bottom: var(--space-2);
}

.disclosure-btn {
  background: none;
  border: none;
  padding: var(--space-2) 0;
  font-size: var(--fs-base);
  color: var(--c-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
}

.disclosure-btn:hover {
  text-decoration: underline;
}

.disclosure-icon {
  display: inline-block;
  transition: transform 0.2s;
  font-size: 0.8em;
}

.disclosure-btn[aria-expanded="true"] .disclosure-icon {
  transform: rotate(90deg);
}

.disclosure-content {
  padding-left: var(--space-4);
  margin-top: var(--space-1);
  border-left: 2px solid var(--c-gray-200);
}

/* E.3 Tooltip */
.wcag-tooltip-wrapper {
  position: relative;
  display: inline-block;
}

.wcag-tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--c-tooltip-bg);
  color: var(--c-tooltip-text);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  white-space: nowrap;
  z-index: var(--z-tooltip);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s;
  pointer-events: none;
  margin-bottom: var(--space-2);
}

.wcag-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--c-tooltip-bg) transparent transparent transparent;
}

.wcag-tooltip-wrapper button:hover + .wcag-tooltip,
.wcag-tooltip-wrapper button:focus + .wcag-tooltip {
  opacity: 1;
  visibility: visible;
}

/* E.4 Slider */
.wcag-slider-wrapper {
  margin-bottom: var(--space-4);
}

.slider-container {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.wcag-slider {
  position: relative;
  width: 200px;
  height: var(--h-slider-track);
  background: var(--c-slider-track);
  border-radius: var(--radius-pill);
  cursor: pointer;
  outline: none;
}

.wcag-slider:focus {
  box-shadow: 0 0 0 3px var(--c-primary-light);
}

.slider-track {
  /* Purely visual, background handles it */
}

.slider-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--c-slider-fill);
  border-radius: var(--radius-pill);
}

.slider-thumb {
  position: absolute;
  top: 50%;
  width: var(--s-slider-thumb);
  height: var(--s-slider-thumb);
  background: var(--c-slider-thumb);
  border: 2px solid var(--c-slider-thumb-border);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: var(--shadow-sm);
  transition: transform 0.1s;
}

.wcag-slider:focus .slider-thumb {
  transform: translate(-50%, -50%) scale(1.1);
  border-color: var(--c-primary-dark);
}

.slider-value {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--c-gray-700);
}

/* E.5 Listbox */
.wcag-listbox-wrapper {
  margin-bottom: var(--space-4);
}

.wcag-listbox {
  list-style: none;
  padding: 0;
  margin: 0;
  border: 1px solid var(--c-combobox-border);
  border-radius: var(--radius-md);
  max-height: 200px;
  overflow-y: auto;
  background: var(--c-white);
}

.wcag-listbox[role="listbox"]:focus {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}

.wcag-listbox li[role="option"] {
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  color: var(--c-gray-800);
}

.wcag-listbox li[role="option"]:hover,
.wcag-listbox li[role="option"].focused {
  background-color: var(--c-combobox-hover-bg);
}

.wcag-listbox li[role="option"][aria-selected="true"] {
  background-color: var(--c-combobox-selected-bg);
  color: var(--c-combobox-selected-text);
  font-weight: 600;
}

.wcag-listbox li[role="option"][aria-selected="true"]::before {
  content: "✓ ";
  margin-right: var(--space-1);
}

/* E.6 Meter */
.wcag-meter-wrapper {
  margin-bottom: var(--space-4);
}

.wcag-meter {
  width: 100%;
  height: 2rem;
  background: var(--c-slider-track);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--c-gray-300);
}

.meter-fill {
  height: 100%;
  transition: width 0.3s ease, background-color 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-white);
  font-weight: 600;
  font-size: var(--fs-sm);
}

.meter-fill.low {
  background: var(--c-error);
}

.meter-fill.medium {
  background: var(--c-warning);
}

.meter-fill.high {
  background: var(--c-success);
}

/* E.7 Spinbutton */
.wcag-spinbutton-wrapper {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.wcag-spinbutton {
  display: flex;
  align-items: center;
  border: 1px solid var(--c-gray-300);
  border-radius: var(--radius-md);
  background: var(--c-white);
}

.spinbutton-value {
  padding: var(--space-2) var(--space-3);
  min-width: 4rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--c-gray-800);
  outline: none;
}

.spinbutton-value:focus {
  background: var(--c-primary-light);
}

.spinbutton-btn {
  background: var(--c-gray-100);
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--c-gray-700);
  transition: background 0.2s;
}

.spinbutton-btn:hover:not(:disabled) {
  background: var(--c-gray-200);
}

.spinbutton-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.spinbutton-btn:first-child {
  border-right: 1px solid var(--c-gray-300);
}

.spinbutton-btn:last-child {
  border-left: 1px solid var(--c-gray-300);
}

/* E.8 Toolbar */
.wcag-toolbar {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--c-gray-50);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
  align-items: center;
}

.toolbar-separator {
  width: 1px;
  height: 1.5rem;
  background: var(--c-gray-300);
  margin: 0 var(--space-1);
}

/* E.9 Table */
.wcag-table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--space-4);
}

.wcag-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--c-table-border);
}

.wcag-table th,
.wcag-table td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--c-table-border);
}

.wcag-table thead th {
  background: var(--c-table-header-bg);
  font-weight: 600;
  color: var(--c-gray-800);
  position: relative;
}

.wcag-table thead th[aria-sort] {
  cursor: pointer;
  user-select: none;
}

.wcag-table thead th[aria-sort]:hover {
  background: var(--c-gray-100);
}

.wcag-table thead th[aria-sort]::after {
  content: " ⇅";
  opacity: 0.3;
  margin-left: var(--space-1);
}

.wcag-table thead th[aria-sort="ascending"]::after {
  content: " ▲";
  opacity: 1;
}

.wcag-table thead th[aria-sort="descending"]::after {
  content: " ▼";
  opacity: 1;
}

.wcag-table tbody tr:hover {
  background: var(--c-table-row-hover);
}

.wcag-table tbody tr:nth-child(even) {
  background: var(--c-table-stripe-bg);
}

/* E.10 Grid */
.wcag-grid {
  border: 1px solid var(--c-table-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.wcag-grid:focus {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}

.grid-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  border-bottom: 1px solid var(--c-table-border);
}

.grid-row:last-child {
  border-bottom: none;
}

.grid-row[role="row"][aria-selected="true"] {
  background: var(--c-primary-light);
}

.grid-cell {
  padding: var(--space-2) var(--space-3);
  border-right: 1px solid var(--c-table-border);
}

.grid-cell:last-child {
  border-right: none;
}

.grid-cell:focus {
  outline: 2px solid var(--c-primary);
  outline-offset: -2px;
  background: var(--c-primary-light);
}

.grid-header {
  background: var(--c-table-header-bg);
  font-weight: 600;
}

/* E.11 Tree View */
.wcag-tree {
  list-style: none;
  padding: 0;
  margin: 0;
}

.wcag-tree ul {
  list-style: none;
  margin: 0;
  padding-left: var(--space-6);
}

.tree-item {
  position: relative;
}

.tree-item-content {
  display: flex;
  align-items: center;
  padding: var(--space-2);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.tree-item-content:hover {
  background: var(--c-tree-hover-bg);
}

.tree-item-content:focus {
  outline: 2px solid var(--c-primary);
  outline-offset: -2px;
}

.tree-item[aria-selected="true"] > .tree-item-content {
  background: var(--c-tree-selected-bg);
  color: var(--c-tree-selected-text);
  font-weight: 600;
}

.tree-expand-icon {
  display: inline-block;
  width: 1rem;
  margin-right: var(--space-2);
  transition: transform 0.2s;
  font-size: 0.8em;
}

.tree-item[aria-expanded="true"] > .tree-item-content .tree-expand-icon {
  transform: rotate(90deg);
}

.tree-item[aria-expanded="false"] > ul {
  display: none;
}

/* E.12 Treegrid */
.wcag-treegrid {
  border: 1px solid var(--c-table-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.treegrid-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  border-bottom: 1px solid var(--c-table-border);
}

.wcag-treegrid [hidden] {
  display: none !important;
}

.treegrid-row[aria-level="2"] {
  background: var(--c-gray-50);
}

.treegrid-row[aria-level="3"] {
  background: var(--c-gray-100);
}

.treegrid-cell {
  padding: var(--space-2) var(--space-3);
  border-right: 1px solid var(--c-table-border);
  display: flex;
  align-items: center;
}

.treegrid-cell:last-child {
  border-right: none;
}

.treegrid-cell:focus {
  outline: 2px solid var(--c-primary);
  outline-offset: -2px;
  background: var(--c-primary-light);
}

.treegrid-expand-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-right: var(--space-2);
  width: 1rem;
  height: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* E.13 Feed */
.wcag-feed {
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  max-height: 400px;
  overflow-y: auto;
  padding: var(--space-2);
}

.feed-article {
  padding: var(--space-4);
  border-bottom: 1px solid var(--c-gray-200);
  background: var(--c-white);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.feed-article:last-child {
  border-bottom: none;
}

.feed-article:focus {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}

.feed-loading {
  text-align: center;
  padding: var(--space-4);
  color: var(--c-gray-500);
}

/* E.14 Window Splitter */
.wcag-splitter-container {
  display: flex;
  border: 1px solid var(--c-gray-300);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 300px;
}

.splitter-pane {
  padding: var(--space-4);
  overflow: auto;
  background: var(--c-white);
}

.wcag-splitter {
  width: var(--w-splitter);
  background: var(--c-splitter-bg);
  cursor: col-resize;
  position: relative;
  transition: background 0.2s;
}

.wcag-splitter:hover,
.wcag-splitter:focus {
  background: var(--c-splitter-hover-bg);
  outline: none;
}

.wcag-splitter::after {
  content: "⋮";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--c-white);
  font-size: 0.8rem;
}