:root {
  --gap-1: 8px;
  --gap-2: 16px;

  --c-border: var(--border-subtle);
  --c-muted: var(--ls-navyblue-700);
  --c-text-2: var(--text-primary);

  --c-chip: var(--ls-navyblue-50);

  --c-hit-bg: var(--ls-amberorange-100);

  --c-hover-bg: var(--ls-amberorange-50);
  --c-hover-outline: var(--ls-amberorange-400);

  --c-active-bg: var(--ls-amberorange-100);
  --c-active-outline: var(--ls-amberorange-500);
}

.vocab-panel {
  max-height: 80vh;
  overflow: auto;
  flex: 1;
}

.vocab-list {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.vocab-row,
.v-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  align-items: start;
  gap: var(--gap-1) var(--gap-2);
  padding: 1rem;
  background: var(--ls-white);
  border-radius: 1rem;
  border-bottom: 1px dashed var(--c-border);
}
.vocab-row:last-child,
.v-row:last-child {
  border-bottom: 0;
}

.vocab-empty {
  padding: var(--gap-2);
  color: var(--c-muted);
}

.vocab-row.is-linked-hover,
.vocab-row.is-loading {
  background: var(--c-hover-bg);
  outline: 2px solid var(--c-hover-outline);
  outline-offset: -2px;
  transition: background 120ms ease;
}

.vocab-row.is-loading {
  display: flex;
  flex-direction: column;
  text-align: center;
  align-items: center;
  justify-content: center;
}
.vocab-row.is-loading .v-body {
  display: none;
}

.vocab-row.is-loading .v-lemma {
  font-weight: 400 !important;
  font-size: 1.2rem;
  font-style: italic;
  color: var(--ls-amberorange-800);
}

.vocab-row.is-hover {
  background: var(--c-hit-bg);
  box-shadow: 0 0 0 2px var(--c-hit-bg) inset;
}

.v-head,
.v-body {
  display: flex;
  flex-direction: column;
  white-space: normal;
  text-align: left;
  gap: 3px;
}

.v-head {
  flex: 3;
}
.v-body {
  flex: 1;
}

.v-lemma,
.vocab-lemma {
  font-weight: 700;
  white-space: normal;
  word-break: break-word;
}

.v-pos {
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.v-translation {
  font-weight: 600;
  white-space: normal;
  word-break: break-word;
  opacity: 0.95;
}

.v-forms,
.v-meta,
.v-defs,
.v-exs,
.v-ex {
  margin-top: 2px;
  font-size: 13px;
  color: var(--c-text-2);
  line-height: 1.25;
  opacity: 0.9;
}
.v-form {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--c-chip);
  margin-right: 6px;
  display: inline-block;
}
.v-forms:empty,
.v-meta:empty,
.v-defs:empty,
.v-exs:empty,
.v-ex:empty {
  display: none;
}

.vocab-hit {
  background: var(--c-hit-bg);
  border-radius: 0.25rem;
  padding: 0 0.2em;
}

.tr-word {
  cursor: pointer;
  padding: 0 2px;
  border-radius: 4px;
}
.tr-word.tr-disabled {
  cursor: default;
  opacity: 0.55;
  outline: none;
}
.tr-word.tr-active {
  background: var(--ls-amberorange-100);
  cursor: url("/static/img/word-remove.svg"), pointer;
  border-radius: 4px;
}

.tr-word:not(.tr-disabled):not(.tr-active) {
  cursor: url("/static/img/word-add.svg"), crosshair;
  transition: background 0.15s ease, color 0.15s ease;
}

#vocabPanel,
#vocabList {
  max-height: calc(100vh - 220px);
  overflow: auto;
  overscroll-behavior: contain;
  overflow-anchor: none;
}

.vocab-row {
  position: relative;
  transition: background 0.15s ease;
}

.vocab-row:hover {
  background: var(--ls-amberorange-50);
}

.hover-remove-btn {
  all: revert;
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  line-height: 1;
  font-size: 1.5rem;
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.15s ease, background-color 0.12s ease;
}

.vocab-row:hover .hover-remove-btn {
  opacity: 1;
}
.hover-remove-btn:hover {
  background: var(--ls-white);
  border-radius: 999px;
}

.vocab-header {
  margin-bottom: 1rem;
  display: flex;
  justify-content: flex-end;
}
.vocab-controls select {
  padding: 0.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--c-border);
}

.vocab-controls .view-switch {
  display: inline-flex;
  border: 1px solid var(--c-border);
  border-radius: 0.6rem;
  overflow: hidden;
}

.view-switch button {
  all: unset;
  padding: 0.5rem;
  cursor: pointer;
  background: var(--ls-white);
  color: var(--ls-navyblue-900);
  font-weight: 600;
  font-size: 0.9rem;
}
.view-switch button + button {
  border-left: 1px solid var(--c-border);
}
.view-switch button:hover:not([aria-pressed="true"]) {
  background: var(--ls-navyblue-100);
}

.view-switch button[aria-pressed="true"] {
  background: var(--ls-navyblue-950);
  color: #fff;
}

#vocabPanel .vocab-list[data-view="list"] {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.flash-wrap {
  display: grid;
  gap: 1rem;
  height: 50vh;
  justify-items: center;
  width: 100%;
}

.flashcard {
  width: 100%;
  min-height: 25rem;
  perspective: 1000px;
  cursor: pointer;
  outline: none;
}
.flashcard .flip {
  position: relative;
  width: 100%;
  min-height: 25rem;
  transform-style: preserve-3d;
  transition: transform 340ms ease;
  border-radius: 1rem;
  background: var(--ls-white);
  border: 1px dashed var(--c-border);
}
.flashcard.is-flipped .flip {
  transform: rotateY(180deg);
}
.flashcard .face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  padding: 1rem 4rem;
  border-radius: 1rem;
  display: grid;
  align-content: center;
  gap: 0.5rem;
}
.flashcard .face.back {
  transform: rotateY(180deg);
}

.flash-translation {
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  margin-block: 12px;
}

.flash-details {
  display: grid;
  gap: 6px;
}
.flash-details .v-lemma {
  font-size: 1.2rem;
  font-weight: 800;
}
.flash-details .v-meta,
.flash-details .v-ex {
  color: var(--c-text-2);
  font-size: 0.95rem;
}

.flash-pager {
  display: inline-grid;
  grid-auto-flow: column;
  align-items: center;
  gap: 0.6rem;
  user-select: none;
}
.flash-pager button {
  all: revert;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  padding: 0.6rem;
  background: var(--page-bg);
  cursor: pointer;
}
.flash-pager button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--page-bg);
}
.flash-pager .page {
  font-weight: 700;
  min-width: 80px;
  text-align: center;
}

#vocabPanel .vocab-list[data-view="flash"] {
  display: none;
}

.flash-pager button:hover:not(:disabled) {
  background: var(--ls-navyblue-50);
}