.study-glossary-term {
  padding: 0 1px;
  border: 0;
  border-bottom: 2px dotted #64748b;
  border-radius: 2px;
  background: transparent;
  color: #0f172a;
  font: inherit;
  font-weight: 600;
  line-height: inherit;
  cursor: pointer;
}

.study-glossary-term:hover,
.study-glossary-term[aria-expanded="true"] {
  border-bottom-color: #b45309;
  background: #fef3c7;
}

.study-glossary-term:focus-visible,
.study-glossary-close:focus-visible,
.study-glossary-bookmark:focus-visible,
.study-glossary-full-link:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.study-glossary-popover,
.study-glossary-sheet {
  --glossary-accent: #2563eb;
  color: #1e293b;
}

.study-glossary-popover {
  position: fixed;
  z-index: 80;
  display: none;
  width: 328px;
  max-width: calc(100vw - 24px);
  padding: 18px 20px 16px;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 20px 44px -12px rgb(15 23 42 / 28%), 0 4px 10px rgb(15 23 42 / 10%);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .14s ease, transform .14s ease;
}

.study-glossary-popover.is-open {
  opacity: 1;
  transform: translateY(0);
}

.study-glossary-popover::after {
  position: absolute;
  left: var(--glossary-arrow-left, 24px);
  width: 14px;
  height: 14px;
  border-top: 1px solid #e2e8f0;
  border-left: 1px solid #e2e8f0;
  background: #fff;
  content: "";
}

.study-glossary-popover.opens-down::after {
  top: -8px;
  transform: rotate(45deg);
}

.study-glossary-popover.opens-up::after {
  bottom: -8px;
  transform: rotate(225deg);
}

.study-glossary-title {
  margin: 0 0 3px;
  color: #0f172a;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
}

.study-glossary-full-form {
  margin: 0 0 14px;
  color: #64748b;
  font-size: 12.5px;
}

.study-glossary-label {
  margin: 0 0 5px;
  color: #64748b;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.study-glossary-definition,
.study-glossary-example {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.6;
}

.study-glossary-example {
  color: #475569;
  font-size: 13.5px;
}

.study-glossary-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 2px;
}

.study-glossary-bookmark,
.study-glossary-full-link {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.study-glossary-bookmark {
  padding: 7px 11px;
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #475569;
}

.study-glossary-bookmark.is-active {
  border-color: #f59e0b;
  background: #fef3c7;
  color: #b45309;
}

.study-glossary-full-link {
  padding: 7px 4px;
  border: 0;
  background: transparent;
  color: #1d4ed8;
  text-decoration: none;
}

.study-glossary-backdrop {
  position: fixed;
  inset: 0;
  z-index: 75;
  background: rgb(15 23 42 / 48%);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}

.study-glossary-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.study-glossary-sheet {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 80;
  max-height: 82vh;
  overflow-y: auto;
  padding-bottom: calc(18px + env(safe-area-inset-bottom));
  border-radius: 20px 20px 0 0;
  background: #fff;
  box-shadow: 0 -10px 30px rgb(15 23 42 / 25%);
  transform: translateY(105%);
  transition: transform .28s cubic-bezier(.32, .72, 0, 1);
}

.study-glossary-sheet.is-open {
  transform: translateY(0);
}

.study-glossary-sheet-accent {
  height: 4px;
  border-radius: 20px 20px 0 0;
  background: var(--glossary-accent);
}

.study-glossary-handle-row {
  display: flex;
  justify-content: center;
  padding: 10px 0 4px;
  cursor: grab;
  touch-action: none;
}

.study-glossary-handle {
  width: 38px;
  height: 5px;
  border-radius: 999px;
  background: #94a3b8;
}

.study-glossary-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: #f1f5f9;
  color: #475569;
  font-size: 18px;
  cursor: pointer;
}

.study-glossary-sheet-body {
  padding: 6px 22px 4px;
}

.study-glossary-sheet .study-glossary-title {
  padding-right: 36px;
  font-size: 21px;
}

.study-glossary-sheet .study-glossary-footer {
  margin-top: 6px;
  padding: 14px 22px 2px;
  border-top: 1px solid #e2e8f0;
}

.study-glossary-sheet .study-glossary-full-link {
  flex: 1;
  padding: 11px;
  background: #2563eb;
  color: #fff;
}

.dark .study-glossary-term,
body.dark-mode .study-glossary-term {
  color: #f8fafc;
  border-bottom-color: #94a3b8;
}

.dark .study-glossary-term:hover,
.dark .study-glossary-term[aria-expanded="true"],
body.dark-mode .study-glossary-term:hover,
body.dark-mode .study-glossary-term[aria-expanded="true"] {
  border-bottom-color: #f59e0b;
  background: rgb(120 53 15 / 45%);
}

.dark .study-glossary-popover,
.dark .study-glossary-sheet,
body.dark-mode .study-glossary-popover,
body.dark-mode .study-glossary-sheet {
  border-color: #3f3f46;
  background: #18181b;
  color: #e4e4e7;
}

.dark .study-glossary-popover::after,
body.dark-mode .study-glossary-popover::after {
  border-color: #3f3f46;
  background: #18181b;
}

.dark .study-glossary-title,
body.dark-mode .study-glossary-title {
  color: #fafafa;
}

.dark .study-glossary-full-form,
.dark .study-glossary-label,
body.dark-mode .study-glossary-full-form,
body.dark-mode .study-glossary-label {
  color: #a1a1aa;
}

.dark .study-glossary-example,
body.dark-mode .study-glossary-example {
  color: #d4d4d8;
}

.dark .study-glossary-bookmark,
body.dark-mode .study-glossary-bookmark {
  border-color: #3f3f46;
  background: #27272a;
  color: #d4d4d8;
}

@media (prefers-reduced-motion: reduce) {
  .study-glossary-popover,
  .study-glossary-backdrop,
  .study-glossary-sheet {
    transition: none;
  }
}