.studio {
  padding-bottom: 32px;
}
.studio-intro {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 38px 0 28px;
  gap: 20px;
}
.studio-intro h1 {
  font-size: clamp(26px, 3.1vw, 39px);
  line-height: 1.35;
  letter-spacing: -1.5px;
  margin: 12px 0;
}
.studio-intro p:last-child {
  color: var(--muted);
}
.studio-seal {
  font: 100px Georgia;
  color: var(--grey600);
  line-height: 1;
  transform: rotate(15deg);
}
.tool-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  overflow: auto;
  white-space: nowrap;
  padding-bottom: 14px;
}
.tool-tabs a {
  padding: 10px 17px;
  border-radius: 22px;
  color: var(--grey700);
  font-size: 14px;
}
.tool-tabs a[aria-current] {
  background: var(--forest);
  color: #fff;
}
.tool-tabs a:hover {
  background: var(--grey100);
  color: var(--forest);
}
.status-line {
  min-height: 34px;
  margin-top: 10px;
  font-size: 14px;
  color: var(--forest);
}
.preset-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  font-size: 13px;
}
.preset-row > span {
  color: var(--muted);
  margin-right: 8px;
}
.preset-row button,
.pill-link,
.chip-button {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  padding: 7px 13px;
}
.preset-row button:hover,
.chip-button:hover {
  background: var(--leaf);
  border-color: var(--grey600);
}
.finder-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}
.filter-panel,
.paper-panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  padding: 24px;
}
.filter-panel {
  background: var(--grey50);
  padding: 22px;
}
.panel-heading,
.results-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}
.panel-heading h2,
.paper-panel h2 {
  font-size: 20px;
}
.subtle-button {
  font-size: 13px;
  padding: 7px 0;
  color: var(--grey700);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 16px;
  min-width: 0;
  font-size: 13px;
  color: var(--grey700);
}
.field input,
.field select,
.field textarea,
.writer-metrics input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--grey200);
  background: #fff;
  border-radius: 10px;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  padding: 10px 12px;
  outline-offset: 3px;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--blue400);
}
.field input::placeholder,
.field textarea::placeholder {
  color: var(--grey600);
}
.field-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
select,
textarea {
  font: inherit;
}
textarea {
  resize: vertical;
  line-height: 1.8;
}
details > summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  padding: 14px 0;
}
details {
  border-top: 1px solid var(--line);
  margin-top: 4px;
}
details[open] > summary {
  margin-bottom: 4px;
}
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 18px;
  min-height: 44px;
  border-radius: 12px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
}
.primary-button {
  background: var(--forest);
  color: #fff;
}
.primary-button:hover {
  background: var(--blue800);
}
.secondary-button {
  background: var(--grey50);
  color: var(--forest);
  border: 1px solid var(--grey200);
}
.secondary-button:hover {
  background: var(--grey100);
}
.primary-button:disabled,
.secondary-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.wide {
  width: 100%;
}
.fine-print {
  font-size: 12px;
  line-height: 1.7;
  color: var(--grey700);
  margin-top: 16px;
}
.results-top h2 {
  font-size: 25px;
  margin-top: 4px;
}
.pill-link {
  font-size: 13px;
  white-space: nowrap;
}
.pill-link span {
  margin-left: 8px;
  color: var(--forest);
  font-weight: 700;
}
.active-filters {
  font-size: 13px;
  color: var(--grey700);
  margin-bottom: 18px;
  line-height: 1.9;
}
.word-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.word-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 19px;
  padding: 22px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.word-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.word-card h3 {
  font-size: 26px;
  line-height: 1.4;
  letter-spacing: -0.5px;
  margin: 12px 0 8px;
}
.word-card h3 button {
  text-align: left;
  font: inherit;
  line-height: inherit;
  padding: 0;
}
.word-card h3 button:hover {
  color: var(--grey700);
}
.word-pos,
.word-meta {
  font-size: 12px;
  color: var(--grey700);
}
.word-card p {
  font-size: 14px;
  line-height: 1.75;
}
.card-definition {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 70px;
}
.chip-row {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin: 12px 0;
}
.tiny-chip {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 8px;
  background: var(--grey50);
  color: var(--grey700);
}
.word-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
  padding-top: 20px;
}
.word-actions button {
  font-size: 12px;
  padding: 7px 10px;
  border: 1px solid var(--grey100);
  border-radius: 8px;
  min-height: 35px;
}
.word-actions button:hover {
  background: var(--leaf);
}
.match-snippet {
  margin-top: 10px;
  padding: 10px;
  background: var(--grey50);
  border-radius: 10px;
  font-size: 12px;
}
.studio-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 22px;
  margin: 28px 0;
}
.empty-workspace {
  grid-column: 1/-1;
  text-align: center;
  padding: 70px 20px;
  background: var(--grey50);
  border-radius: 22px;
}
.empty-workspace h3 {
  font-size: 22px;
  margin-bottom: 12px;
}
.empty-workspace p {
  color: var(--grey700);
  font-size: 14px;
}
.inline-form {
  display: flex;
  align-items: end;
  gap: 15px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.inline-form .field {
  flex: 1;
  margin: 0;
  min-width: 150px;
}
.inline-form > .field:first-child {
  flex: 2;
}
.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  align-items: start;
}
.compare-column {
  padding: 24px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--line);
}
.compare-column h2 {
  font-size: 30px;
  margin-bottom: 18px;
}
.compare-column h3,
.detail-section h3 {
  font-size: 15px;
  margin: 22px 0 10px;
}
.compare-column p,
.compare-column li {
  font-size: 14px;
}
.compare-column .field {
  margin-top: 12px;
}
.sense-block {
  border-bottom: 1px solid var(--grey50);
  padding: 12px 0;
}
.sense-block:last-child {
  border: 0;
}
.sense-block p {
  margin-bottom: 8px;
}
.quote {
  border-left: 2px solid var(--grey300);
  padding-left: 13px;
  color: var(--grey700);
  font-size: 14px;
  margin: 10px 0;
}
.quote cite {
  font-size: 11px;
  display: block;
  font-style: normal;
}
.source-link {
  font-size: 12px;
  color: var(--grey700);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.writer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 22px;
  align-items: start;
}
.writer-metrics {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  font-size: 14px;
}
.writer-metrics label {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.writer-metrics input {
  width: 85px;
  padding: 6px 10px;
}
.spaced-heading {
  font-size: 15px;
  margin: 26px 0 12px;
}
.text-preview {
  white-space: pre-wrap;
  line-height: 1.9;
  font-size: 15px;
  background: var(--grey50);
  border-radius: 12px;
  padding: 17px;
  min-height: 90px;
  overflow-wrap: anywhere;
  word-break: break-word;
  max-height: 400px;
  overflow: auto;
}
.text-preview mark {
  background: #ead797;
  color: #393512;
  border-radius: 3px;
}
.muted {
  color: var(--muted);
  font-size: 14px;
  margin-top: 12px;
}
.mini-form {
  display: flex;
  align-items: end;
  gap: 10px;
  margin: 20px 0;
}
.mini-form .field {
  flex: 1;
  margin: 0;
}
.mini-form .secondary-button {
  flex-shrink: 0;
}
.count-note {
  font-size: 13px;
  margin: 12px 0;
}
.over-limit {
  color: #a43d35;
}
.map-canvas {
  position: relative;
  height: 480px;
  max-width: 780px;
  margin: auto;
  overflow: hidden;
}
.map-canvas svg {
  position: absolute;
  width: 100%;
  height: 100%;
  inset: 0;
}
.map-node {
  position: absolute;
  transform: translate(-50%, -50%);
  background: #fff;
  border: 1px solid var(--grey300);
  padding: 9px 15px;
  border-radius: 30px;
  font-size: 14px;
  max-width: 130px;
  box-shadow: 0 3px 14px #0220470a;
}
.map-node.center {
  background: var(--forest);
  color: #fff;
}
.relation-legend {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  margin: 14px 0;
}
.relation-legend span:before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 3px;
  background: var(--edge);
  vertical-align: middle;
  margin-right: 7px;
}
.edge-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}
.edge-item {
  font-size: 13px;
  border-bottom: 1px solid var(--line);
  padding: 10px;
}
.edge-item small {
  display: block;
  color: var(--muted);
  margin-top: 5px;
}
.path-strip {
  background: var(--grey100);
  padding: 20px;
  border-radius: 14px;
  font-size: 20px;
  line-height: 2;
}
.board-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 10px;
}
.board-toolbar .field {
  margin: 0;
  flex: 1;
  min-width: 150px;
}
.toolbar-end {
  margin-left: auto;
  display: flex;
  gap: 10px;
}
.file-button {
  position: relative;
  cursor: pointer;
  overflow: hidden;
}
.file-button input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
  width: 100%;
}
.board-controls {
  display: flex;
  align-items: end;
  gap: 18px;
  margin: 22px 0;
  flex-wrap: wrap;
}
.board-controls > .field {
  margin: 0;
}
.board-controls .mini-form {
  margin: 0;
  flex: 1;
}
.board-card textarea {
  min-height: 80px;
}
.board-card .field {
  margin-top: 12px;
  margin-bottom: 0;
}
.board-card .word-actions {
  padding-top: 15px;
}
.quiz-shell {
  max-width: 730px;
  margin: 0 auto;
  text-align: center;
  padding: 34px;
}
.quiz-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  text-align: left;
}
.quiz-top .field {
  width: 190px;
}
.quiz-clue {
  font-size: 48px;
  letter-spacing: 10px;
  padding: 30px 0;
}
.quiz-definition {
  font-size: 21px;
  line-height: 1.7;
  margin: 24px 0;
}
.quiz-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 25px 0;
}
.quiz-choices button {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 13px;
  font-size: 19px;
  background: var(--grey50);
}
.quiz-choices button.correct {
  background: var(--grey200);
  border-color: var(--grey600);
}
.quiz-choices button.wrong {
  background: #f6e4dd;
  border-color: #b07860;
}
.quiz-feedback {
  min-height: 70px;
  font-size: 15px;
}
.usage-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin: 24px 0;
}
.usage-summary h3 {
  font-size: 17px;
  margin-bottom: 14px;
}
.freq-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
}
.concordance-list {
  background: #fff;
  border-radius: 20px;
  padding: 8px 24px;
  border: 1px solid var(--line);
}
.concordance-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.concordance-row:last-child {
  border-bottom: 0;
}
.concordance-row mark {
  background: var(--grey100);
  color: var(--grey800);
  padding: 2px 4px;
}
.concordance-row small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}
.studio-footer {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 56px;
  font-size: 12px;
  color: var(--muted);
}
.studio-footer span {
  margin-right: auto;
}
dialog {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px;
  color: var(--ink);
  background: var(--paper);
  width: min(720px, calc(100% - 28px));
  max-height: 85dvh;
  overflow: auto;
}
dialog::backdrop {
  background: #02204766;
  backdrop-filter: blur(3px);
}
.dialog-close {
  position: sticky;
  top: 0;
  float: right;
  font-size: 28px;
  width: 40px;
  height: 40px;
  line-height: 1;
  border-radius: 50%;
  background: var(--grey100);
  z-index: 2;
}
.detail-title {
  font-size: 34px;
  margin: 10px 0;
}
.detail-section {
  padding-bottom: 14px;
}
.detail-section ul {
  padding-left: 20px;
  font-size: 14px;
}
.dialog-actions {
  display: flex;
  justify-content: end;
  gap: 12px;
  margin-top: 20px;
}
#toast {
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grey800);
  color: #fff;
  padding: 13px 22px;
  z-index: 100;
  border-radius: 15px;
  font-size: 14px;
  max-width: 90%;
  box-shadow: 0 6px 30px #02204722;
}
button:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--blue400);
  outline-offset: 3px;
}
.tool-home {
  margin-bottom: 42px;
}
.tool-home-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.tool-home-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
}
.tool-home-card:hover {
  background: var(--grey50);
  transform: translateY(-3px);
}
.tool-home-card h3 {
  font-size: 21px;
  margin: 12px 0 8px;
}
.tool-home-card p {
  font-size: 14px;
  color: var(--muted);
}
.tool-home-card > span {
  font-size: 26px;
  color: var(--grey600);
}
@media (max-width: 1000px) {
  .finder-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 20px;
  }
  .word-grid {
    gap: 12px;
  }
  .word-card {
    padding: 17px;
  }
  .writer-grid {
    grid-template-columns: 1fr;
  }
  .studio-intro h1 {
    letter-spacing: -1px;
  }
  .edge-list {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 740px) {
  .finder-layout {
    grid-template-columns: 1fr;
  }
  .filter-panel {
    padding: 18px;
  }
  .filter-panel form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 14px;
  }
  .filter-panel .panel-heading,
  .filter-panel details,
  .filter-panel .wide,
  .filter-panel .fine-print {
    grid-column: 1/-1;
  }
  .filter-panel details:not([open]) {
    margin-bottom: 0;
  }
  .studio-intro {
    padding-top: 20px;
  }
  .studio-seal {
    font-size: 65px;
  }
  .studio-intro h1 {
    font-size: 28px;
  }
  .studio-intro p:last-child {
    font-size: 14px;
  }
  .tool-tabs {
    margin-inline: -20px;
    padding-inline: 20px;
  }
  .tool-tabs a {
    padding: 8px 13px;
  }
  .results-top h2 {
    font-size: 23px;
  }
  .word-grid {
    grid-template-columns: 1fr 1fr;
  }
  .word-card h3 {
    font-size: 23px;
  }
  .card-definition {
    min-height: 72px;
  }
  .paper-panel {
    padding: 20px;
  }
  .inline-form .field {
    min-width: 130px;
  }
  .usage-summary {
    gap: 12px;
  }
  .usage-summary .paper-panel {
    padding: 16px;
  }
  .map-canvas {
    height: 370px;
  }
  .map-node {
    font-size: 12px;
    padding: 6px 10px;
    max-width: 94px;
  }
  .tool-home-grid {
    grid-template-columns: 1fr;
  }
  .compare-grid {
    grid-template-columns: 1fr 1fr;
  }
  .compare-column {
    padding: 16px;
  }
  .quiz-shell {
    padding: 22px;
  }
  .studio-footer {
    gap: 14px;
  }
  .studio-footer span {
    width: 100%;
  }
}
@media (max-width: 430px) {
  .word-grid {
    grid-template-columns: 1fr;
  }
  .filter-panel form {
    display: block;
  }
  .studio-seal {
    display: none;
  }
  .compare-grid {
    grid-template-columns: 1fr;
  }
  .usage-summary {
    grid-template-columns: 1fr;
  }
  .writer-metrics {
    align-items: start;
    flex-direction: column;
  }
  .quiz-clue {
    font-size: 36px;
    letter-spacing: 6px;
  }
  .quiz-choices button {
    font-size: 17px;
  }
  .toolbar-end {
    margin-left: 0;
  }
  .inline-form .primary-button {
    width: 100%;
  }
  .board-controls .mini-form {
    flex-basis: 100%;
  }
  .map-canvas {
    height: 340px;
  }
  .studio-intro h1 {
    font-size: 25px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.learning-form {
  margin-bottom: 30px;
}
.preserve-lines {
  white-space: pre-line;
}
.corpus-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 22px;
}
.corpus-tabs [aria-pressed="true"] {
  background: var(--forest);
  color: #fff;
}
.table-scroll {
  overflow: auto;
  max-width: 100%;
  margin-top: 20px;
}
.table-scroll table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  white-space: nowrap;
  text-align: left;
}
.table-scroll th,
.table-scroll td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.table-scroll th {
  background: var(--grey50);
  font-weight: 600;
}
.stat-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 25px;
}
.stat-pair > div {
  background: var(--grey50);
  border-radius: 16px;
  padding: 24px;
}
.stat-pair > div + div {
  background: #f7efdf;
}
.stat-pair span {
  font-size: 18px;
}
.stat-pair strong {
  display: block;
  font-size: 38px;
  line-height: 1.7;
}
.stat-pair small {
  font-size: 16px;
  font-weight: 400;
  margin-left: 8px;
}
.stat-pair p {
  font-size: 13px;
  color: var(--muted);
}
.trend-chart {
  margin: 20px 0 0;
}
.trend-chart svg {
  width: 100%;
  height: auto;
}
.trend-chart figcaption {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 14px;
}
.trend-a {
  color: var(--blue700);
}
.trend-b {
  color: #93682f;
}
.source-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.source-cards h2 {
  margin-bottom: 10px;
}
.source-cards p {
  margin-top: 10px;
  font-size: 14px;
}
@media (max-width: 600px) {
  .field-row,
  .source-cards {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .stat-pair {
    gap: 10px;
  }
  .stat-pair > div {
    padding: 16px;
  }
  .stat-pair strong {
    font-size: 28px;
  }
  .stat-pair span {
    font-size: 15px;
  }
  .source-cards {
    gap: 18px;
  }
  .tool-tabs {
    scrollbar-width: thin;
  }
}
.mobile-filter-toggle {
  display: none;
}
@media (max-width: 740px) {
  .mobile-filter-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    font-size: 15px;
    font-weight: 600;
    padding: 5px 0;
  }
  .mobile-filter-toggle span {
    font-size: 20px;
  }
  .filter-panel:not(.is-open) form {
    display: none;
  }
  .filter-panel.is-open .mobile-filter-toggle {
    margin-bottom: 20px;
  }
}
.map-node {
  width: max-content;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.table-scroll:focus-visible {
  outline: 3px solid var(--blue400);
  outline-offset: 3px;
}