/* =========================================================
   4. Course navigation base
   ========================================================= */

.cpa-course-rail,
.cpa-course-nav {
  --cpa-course-nav-bg: var(--cpa-dark-chrome-bg);
  --cpa-course-nav-surface: var(--cpa-dark-chrome-surface);
  --cpa-course-nav-surface-strong: var(--cpa-dark-chrome-surface-strong);
  --cpa-course-nav-line: var(--cpa-dark-chrome-line);
  --cpa-course-nav-line-strong: var(--cpa-dark-chrome-line-strong);
  --cpa-course-nav-text: var(--cpa-dark-chrome-text);
  --cpa-course-nav-muted: var(--cpa-dark-chrome-muted);
  --cpa-course-nav-focus: rgba(237, 100, 59, 0.30);
  --cpa-course-nav-dot: rgba(var(--cpa-secondary-rgb), 0.82);
  --cpa-course-nav-active-lesson-bg: rgba(0, 0, 0, 0.16);
  --cpa-course-nav-track-x: 8px;
  --cpa-course-nav-track-start: 21px;
  --cpa-course-nav-track-end: 27px;
  --cpa-course-nav-dot-size: 6px;
  --cpa-course-nav-active-dot-size: 9px;
}

.cpa-course-nav {
  height: 100% !important;
  min-height: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  color: var(--cpa-course-nav-text);
  font-family: var(--cpa-font-ui);
  background:
    linear-gradient(
      145deg,
      rgba(var(--cpa-secondary-rgb), 0.10),
      rgba(237, 100, 59, 0.035) 46%,
      rgba(255, 255, 255, 0) 78%
    ),
    var(--cpa-course-nav-bg);
}

.cpa-course-nav a,
.cpa-course-nav a:visited,
.cpa-course-nav a:hover,
.cpa-course-nav a:focus {
  text-decoration: none !important;
  box-shadow: none !important;
}

.cpa-course-nav button {
  font-family: var(--cpa-font-ui);
}

.cpa-course-nav a:focus,
.cpa-course-nav button:focus {
  outline: none !important;
}

.cpa-course-nav a:focus-visible,
.cpa-course-nav button:focus-visible {
  outline: none !important;
  box-shadow: inset 0 0 0 2px var(--cpa-course-nav-focus) !important;
}

/* =========================================================
   5. Course navigation header and progress
   ========================================================= */

.cpa-course-nav-header {
  flex: 0 0 auto !important;
  background: transparent;
}

.cpa-course-nav-head {
  position: relative;
  padding: 20px 18px 18px 24px;
  border-bottom: 1px solid var(--cpa-course-nav-line);
  background:
    linear-gradient(180deg, var(--cpa-course-nav-surface), rgba(255, 255, 255, 0) 88%);
}

.cpa-course-kicker {
  margin-bottom: 4px;
  color: var(--cpa-secondary);
  font-family: var(--cpa-font-ui);
  font-size: 10px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.cpa-course-title-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-right: 42px;
}

.cpa-course-title,
.cpa-course-title:visited {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--cpa-course-nav-text) !important;
  font-family: var(--cpa-font-ui);
  font-size: 15px;
  line-height: 1.3;
  font-weight: 650;
  letter-spacing: -0.01em;
  text-transform: none !important;
  transition: color var(--cpa-motion-fast) ease;
}

.cpa-course-title:hover {
  color: var(--cpa-accent) !important;
  text-decoration: none !important;
}

.cpa-course-nav .cpa-course-nav-collapse,
.cpa-course-nav .cpa-course-nav-collapse[type="button"] {
  appearance: none !important;
  -webkit-appearance: none !important;
  position: absolute !important;
  top: calc(var(--cpa-course-rail-gutter-arrow-y) - 8.5px);
  right: 18px;
  width: 34px !important;
  height: 34px !important;
  min-width: 34px !important;
  min-height: 34px !important;
  max-width: 34px !important;
  max-height: 34px !important;
  padding: 0 !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: transparent !important;
  color: var(--cpa-course-nav-muted) !important;
  font-size: 0 !important;
  line-height: 0 !important;
  text-align: center !important;
  cursor: pointer !important;
  box-shadow: none !important;
  overflow: visible !important;
  transform: none;
  transition:
    color var(--cpa-motion-fast) ease,
    transform var(--cpa-motion-fast) ease !important;
}

.cpa-course-nav .cpa-course-nav-collapse:hover {
  color: var(--cpa-accent) !important;
}

.cpa-course-nav .cpa-course-nav-collapse:focus {
  outline: none !important;
}

.cpa-course-nav .cpa-course-nav-collapse:focus-visible {
  color: var(--cpa-accent) !important;
  box-shadow: inset 0 0 0 2px var(--cpa-course-nav-focus) !important;
}

.cpa-course-nav .cpa-course-nav-collapse::before,
.cpa-course-nav .cpa-course-nav-collapse::after {
  content: none !important;
  display: none !important;
}

.cpa-course-nav .cpa-course-nav-collapse > *:not(.cpa-course-nav-collapse-icon) {
  display: none !important;
}

.cpa-course-nav .cpa-course-nav-collapse .cpa-course-nav-collapse-icon {
  display: block !important;
  width: 17px !important;
  height: 17px !important;
  flex: 0 0 17px !important;
  background-color: currentColor;
  transform: none !important;
  transition:
    color var(--cpa-motion-fast) ease,
    transform var(--cpa-motion-fast) ease !important;

  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M11 5L4 12l7 7M20 5l-7 7 7 7' fill='none' stroke='black' stroke-width='2.45' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: 17px 17px;

  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M11 5L4 12l7 7M20 5l-7 7 7 7' fill='none' stroke='black' stroke-width='2.45' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: 17px 17px;
}

.cpa-course-nav .cpa-course-nav-collapse:hover .cpa-course-nav-collapse-icon {
  transform: translateX(-1px) !important;
}

.cpa-course-progress {
  margin-top: 18px;
}

.cpa-course-progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
  color: var(--cpa-course-nav-muted);
  font-family: var(--cpa-font-body);
  font-size: 12.5px;
  line-height: 1.2;
  font-weight: 500;
}

.cpa-course-progress-meta span {
  min-width: 0;
}

.cpa-course-progress-meta strong {
  color: var(--cpa-course-nav-text);
  font-family: var(--cpa-font-ui);
  font-size: 12px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.cpa-course-progress-track {
  height: 5px;
  width: 100%;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  overflow: hidden;
}

.cpa-course-progress-fill {
  display: block;
  height: 100%;
  background: var(--cpa-accent);
  border-radius: inherit;
}

/* =========================================================
   6. Course menu / lesson tracklist
   ========================================================= */

.cpa-course-nav-menu {
  flex: 1 1 auto !important;
  min-height: 0 !important;
  overflow-y: auto !important;
  padding: 12px 0 34px !important;
}

.cpa-course-nav-menu ul,
.cpa-course-nav-menu li {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.cpa-course-nav-menu li,
.cpa-course-nav__section,
.cpa-course-nav-menu .menu > .menu-item {
  position: relative;
  background: transparent !important;
  border: 0 !important;
  margin: 0 !important;
}

.cpa-course-nav__sections,
.cpa-course-nav-menu > ul,
.cpa-course-nav-menu .menu {
  margin: 0 !important;
  padding: 0 !important;
}

.cpa-course-nav__row {
  min-height: 38px;
  margin: 3px 14px !important;
  border-radius: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  overflow: hidden;
  background: transparent;
  transition:
    background 0.16s ease,
    color 0.16s ease,
    box-shadow 0.16s ease;
}

.cpa-course-nav__row--has-toggle {
  grid-template-columns: minmax(0, 1fr) 30px;
}

.cpa-course-nav__section.menu-item-has-children > .cpa-course-nav__row,
.cpa-course-nav-menu .menu > .menu-item-has-children > .cpa-course-nav__row {
  margin-top: 8px !important;
}

.cpa-course-nav__row > a,
.cpa-course-nav__row > a:visited,
.cpa-course-nav__section > .cpa-course-nav__section-link,
.cpa-course-nav__section > .cpa-course-nav__section-link:visited,
.cpa-course-nav-menu .menu > .menu-item > a,
.cpa-course-nav-menu .menu > .menu-item > a:visited {
  min-width: 0;
  min-height: 38px;
  padding: 10px 10px 10px 14px !important;
  border: 0 !important;
  display: flex !important;
  align-items: center;
  background: transparent !important;
  color: var(--cpa-course-nav-muted) !important;
  font-family: var(--cpa-font-ui);
  font-size: 13px !important;
  line-height: 1.25;
  font-weight: 620 !important;
  letter-spacing: -0.015em;
  text-transform: none !important;
  text-decoration: none !important;
  box-shadow: none !important;
}

.cpa-course-nav__row--has-toggle > a {
  padding-right: 6px !important;
}

.cpa-course-nav__row:hover,
.cpa-course-nav__section.cpa-is-exploring > .cpa-course-nav__row,
.cpa-course-nav-menu .menu > .menu-item.cpa-is-exploring > .cpa-course-nav__row {
  background: var(--cpa-course-nav-surface) !important;
}

.cpa-course-nav__row:hover > a,
.cpa-course-nav__section > .cpa-course-nav__section-link:hover,
.cpa-course-nav-menu .menu > .menu-item > a:hover {
  color: var(--cpa-course-nav-text) !important;
}

.cpa-course-nav__section:is(
  .cpa-is-active-root,
  .current-menu-parent,
  .current-menu-ancestor,
  .current_page_parent,
  .current_page_ancestor,
  .current-menu-item,
  .current_page_item
) > .cpa-course-nav__row,
.cpa-course-nav-menu .menu > .menu-item:is(
  .cpa-is-active-root,
  .current-menu-parent,
  .current-menu-ancestor,
  .current_page_parent,
  .current_page_ancestor,
  .current-menu-item,
  .current_page_item
) > .cpa-course-nav__row {
  background: var(--cpa-course-nav-surface-strong) !important;
  box-shadow:
    inset 4px 0 0 var(--cpa-accent),
    inset 0 0 0 1px var(--cpa-course-nav-line) !important;
}

.cpa-course-nav__section:is(
  .cpa-is-active-root,
  .current-menu-parent,
  .current-menu-ancestor,
  .current_page_parent,
  .current_page_ancestor,
  .current-menu-item,
  .current_page_item
) > .cpa-course-nav__row > a,
.cpa-course-nav-menu .menu > .menu-item:is(
  .cpa-is-active-root,
  .current-menu-parent,
  .current-menu-ancestor,
  .current_page_parent,
  .current_page_ancestor,
  .current-menu-item,
  .current_page_item
) > .cpa-course-nav__row > a {
  color: var(--cpa-course-nav-text) !important;
  font-weight: 720 !important;
}

/* Fallback active styling before JS has wrapped top-level rows. */
.cpa-course-nav__section:is(
  .cpa-is-active-root,
  .current-menu-parent,
  .current-menu-ancestor,
  .current_page_parent,
  .current_page_ancestor,
  .current-menu-item,
  .current_page_item
) > .cpa-course-nav__section-link,
.cpa-course-nav-menu .menu > .menu-item:is(
  .cpa-is-active-root,
  .current-menu-parent,
  .current-menu-ancestor,
  .current_page_parent,
  .current_page_ancestor,
  .current-menu-item,
  .current_page_item
) > a {
  color: var(--cpa-course-nav-text) !important;
  box-shadow: inset 4px 0 0 var(--cpa-accent) !important;
}

.cpa-course-nav__section > .cpa-course-nav__section-link::before,
.cpa-course-nav__section > .cpa-course-nav__section-link::after,
.cpa-course-nav-menu .menu > .menu-item > a::before,
.cpa-course-nav-menu .menu > .menu-item > a::after {
  content: none !important;
  display: none !important;
}

.cpa-course-nav__row > .cpa-course-nav__section-toggle,
.cpa-course-nav__row > .cpa-submenu-toggle,
.cpa-course-nav__section-toggle,
.cpa-submenu-toggle {
  --cpa-course-nav-toggle-y: var(--cpa-chevron-y-closed);
  --cpa-course-nav-toggle-rotation: var(--cpa-chevron-rotation-closed);

  appearance: none !important;
  -webkit-appearance: none !important;
  position: static !important;
  z-index: 5 !important;
  width: 30px !important;
  height: 30px !important;
  min-width: 30px !important;
  min-height: 30px !important;
  padding: 0 !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  display: grid !important;
  place-items: center !important;
  background: transparent !important;
  color: var(--cpa-course-nav-muted) !important;
  cursor: pointer !important;
  box-shadow: none !important;
  line-height: 0 !important;
  font-size: 0 !important;
  transform: none !important;
  transition: color var(--cpa-motion-fast) ease;
}

.cpa-course-nav__section-toggle::before,
.cpa-submenu-toggle::before {
  content: "";
  width: var(--cpa-chevron-size);
  height: var(--cpa-chevron-size);
  border: solid currentColor;
  border-width: 0 var(--cpa-chevron-stroke) var(--cpa-chevron-stroke) 0;
  display: block;
  transform: translateY(var(--cpa-course-nav-toggle-y)) rotate(var(--cpa-course-nav-toggle-rotation));
  transition: transform var(--cpa-chevron-motion);
}

.cpa-course-nav__section-toggle::after,
.cpa-submenu-toggle::after {
  content: none !important;
  display: none !important;
}

.cpa-course-nav :is(.cpa-course-nav__section-toggle, .cpa-submenu-toggle):hover {
  color: var(--cpa-course-nav-text) !important;
}

.cpa-course-nav :is(.cpa-course-nav__section-toggle, .cpa-submenu-toggle):focus-visible {
  color: var(--cpa-course-nav-text) !important;
  box-shadow: inset 0 0 0 2px var(--cpa-course-nav-focus) !important;
}

.cpa-course-nav .cpa-menu-open > .cpa-course-nav__row :is(.cpa-course-nav__section-toggle, .cpa-submenu-toggle) {
  --cpa-course-nav-toggle-y: var(--cpa-chevron-y-open);
  --cpa-course-nav-toggle-rotation: var(--cpa-chevron-rotation-open);

  color: var(--cpa-course-nav-text) !important;
}

.cpa-course-nav__section.cpa-menu-label > .cpa-course-nav__row > a,
.cpa-course-nav-menu .menu > .cpa-menu-label > .cpa-course-nav__row > a {
  cursor: pointer;
}

.cpa-course-nav__section:not(.menu-item-has-children) > .cpa-course-nav__row > .cpa-course-nav__section-toggle,
.cpa-course-nav-menu .menu > .menu-item:not(.menu-item-has-children) > .cpa-course-nav__row > .cpa-submenu-toggle {
  display: none !important;
}

.cpa-course-nav__section.menu-item-has-children > .cpa-course-nav__lessons,
.cpa-course-nav-menu .menu > .menu-item-has-children > .sub-menu {
  display: block !important;
  position: relative !important;
  visibility: visible !important;
  opacity: 0;
  max-height: 0;
  overflow: hidden !important;
  width: auto !important;
  min-width: 0 !important;
  margin: 0 18px 0 20px !important;
  padding: 0 0 0 16px !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  transition:
    max-height 0.26s var(--cpa-layout-ease),
    opacity var(--cpa-motion-fast) ease,
    padding 0.2s ease,
    margin 0.2s ease;
}

.cpa-course-nav__section.menu-item-has-children.cpa-menu-open > .cpa-course-nav__lessons,
.cpa-course-nav-menu .menu > .menu-item-has-children.cpa-menu-open > .sub-menu {
  opacity: 1;
  max-height: var(--cpa-submenu-height, 1400px);
  margin-top: 4px !important;
  margin-bottom: 12px !important;
  padding: 4px 0 8px 16px !important;
}

.cpa-course-nav__section.menu-item-has-children > .cpa-course-nav__lessons::before,
.cpa-course-nav-menu .menu > .menu-item-has-children > .sub-menu::before {
  content: "" !important;
  position: absolute;
  top: var(--cpa-course-nav-track-start);
  bottom: var(--cpa-course-nav-track-end);
  left: var(--cpa-course-nav-track-x);
  width: 1px;
  display: block !important;
  background: var(--cpa-course-nav-line);
  pointer-events: none;
  transform: translateX(-50%);
}

.cpa-course-nav__lesson,
.cpa-course-nav-menu .sub-menu > .menu-item {
  margin: 0 !important;
}

.cpa-course-nav__lesson-link,
.cpa-course-nav__lesson-link:visited,
.cpa-course-nav-menu .sub-menu > .menu-item > a,
.cpa-course-nav-menu .sub-menu > .menu-item > a:visited {
  min-height: 34px;
  margin: 1px 0 !important;
  padding: 8px 10px !important;
  border: 0 !important;
  border-radius: 9px !important;
  display: block;
  position: relative;
  background: transparent !important;
  color: var(--cpa-course-nav-muted) !important;
  font-family: var(--cpa-font-ui);
  font-size: 12.5px !important;
  line-height: 1.35;
  font-weight: 520 !important;
  letter-spacing: -0.015em;
  text-transform: none !important;
  font-variant-numeric: tabular-nums;
  box-shadow: none !important;
}

.cpa-course-nav__lesson-link:hover,
.cpa-course-nav-menu .sub-menu > .menu-item > a:hover {
  background: var(--cpa-course-nav-surface) !important;
  color: var(--cpa-course-nav-text) !important;
}

.cpa-course-nav__lesson:is(.current-menu-item, .current_page_item) > .cpa-course-nav__lesson-link,
.cpa-course-nav__lesson-link[aria-current="page"],
.cpa-course-nav-menu .sub-menu > .menu-item:is(.current-menu-item, .current_page_item) > a,
.cpa-course-nav-menu .sub-menu > .menu-item > a[aria-current="page"] {
  min-height: 36px;
  margin: 1px 0 !important;
  padding: 8px 10px !important;
  background: var(--cpa-course-nav-active-lesson-bg) !important;
  color: var(--cpa-course-nav-text) !important;
  font-size: 12.75px !important;
  font-weight: 680 !important;
  box-shadow: none !important;
}

.cpa-course-nav__lesson:is(.current-menu-item, .current_page_item) > .cpa-course-nav__lesson-link:hover,
.cpa-course-nav__lesson-link[aria-current="page"]:hover,
.cpa-course-nav-menu .sub-menu > .menu-item:is(.current-menu-item, .current_page_item) > a:hover,
.cpa-course-nav-menu .sub-menu > .menu-item > a[aria-current="page"]:hover {
  background: var(--cpa-course-nav-active-lesson-bg) !important;
  color: var(--cpa-course-nav-text) !important;
}

.cpa-course-nav__lesson > .cpa-course-nav__lesson-link::before,
.cpa-course-nav-menu .sub-menu > .menu-item > a::before {
  content: "" !important;
  position: absolute;
  top: calc(50% - 1px);
  left: -11px;
  width: var(--cpa-course-nav-dot-size);
  height: var(--cpa-course-nav-dot-size);
  border-radius: 999px;
  display: block !important;
  background: var(--cpa-course-nav-dot);
  box-shadow: 0 0 0 3px var(--cpa-course-nav-bg);
  transform: translateY(-50%);
}

.cpa-course-nav__lesson:is(.current-menu-item, .current_page_item) > .cpa-course-nav__lesson-link::before,
.cpa-course-nav__lesson-link[aria-current="page"]::before,
.cpa-course-nav-menu .sub-menu > .menu-item:is(.current-menu-item, .current_page_item) > a::before,
.cpa-course-nav-menu .sub-menu > .menu-item > a[aria-current="page"]::before {
  left: -12.5px;
  width: var(--cpa-course-nav-active-dot-size);
  height: var(--cpa-course-nav-active-dot-size);
  background: var(--cpa-accent);
  box-shadow: 0 0 0 2px var(--cpa-course-nav-bg);
}

.cpa-course-nav__lesson > .cpa-course-nav__lesson-link::after,
.cpa-course-nav-menu .sub-menu > .menu-item > a::after {
  content: none !important;
  display: none !important;
}

.cpa-course-nav-menu::-webkit-scrollbar {
  width: 8px;
}

.cpa-course-nav-menu::-webkit-scrollbar-track {
  background: transparent;
}

.cpa-course-nav-menu::-webkit-scrollbar-thumb {
  background: rgba(var(--cpa-secondary-rgb), 0.32);
  border-radius: 999px;
}

.cpa-course-nav-menu::-webkit-scrollbar-thumb:hover {
  background: rgba(var(--cpa-secondary-rgb), 0.48);
}