.exercise-bank {
  max-width: 1180px;
  margin: 24px auto;
}

.exercise-bank__header,
.exercise-bank__section-title,
.exercise-bank__footer-actions,
.exercise-bank__actions,
.exercise-bank__seed {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.exercise-bank__eyebrow {
  margin: 0;
  color: #6b4d8d;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.exercise-bank__button,
.exercise-bank button {
  border: 1px solid #6b4d8d;
  border-radius: 6px;
  padding: 8px 14px;
  background: #f3ebfa;
  color: #2f1d41;
  cursor: pointer;
  text-decoration: none;
}

.exercise-bank__button:hover,
.exercise-bank button:hover {
  background: #e5d2f4;
}

.exercise-bank .exercise-bank__danger {
  border-color: #a51d2d;
  background: #b42336;
  color: #fff;
}

.exercise-bank .exercise-bank__danger:hover {
  background: #921527;
}

.exercise-bank__button:disabled,
.exercise-bank button:disabled {
  cursor: not-allowed;
  opacity: .55;
}

.exercise-bank__panel {
  margin: 18px 0;
  padding: 18px;
  border: 1px solid #cfc5d7;
  border-radius: 8px;
  background: #fff;
}

.exercise-bank__advanced {
    margin-top: 1rem;
    border-top: 1px solid #d8dee9;
    padding-top: .8rem;
}

.exercise-bank__advanced summary {
    cursor: pointer;
    font-weight: 700;
}

.exercise-bank__advanced .exercise-bank__grid {
    margin-top: 1rem;
}

.exercise-bank label small {
    display: block;
    margin-top: .35rem;
    color: #596273;
    font-weight: 400;
    line-height: 1.35;
}

.exercise-bank input[readonly] {
    background: #eef1f5;
    color: #596273;
    cursor: not-allowed;
}

.exercise-bank__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.exercise-bank label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 10px 0;
  font-weight: bold;
}

.exercise-bank input[type="text"],
.exercise-bank input[type="search"],
.exercise-bank input[type="number"],
.exercise-bank textarea,
.exercise-bank select {
  box-sizing: border-box;
  width: 100%;
  padding: 8px;
  border: 1px solid #aaa;
  border-radius: 4px;
  font: inherit;
}

.exercise-bank__filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 10px;
  align-items: end;
  margin: 18px 0;
  padding: 14px;
  border: 1px solid #d8cee0;
  border-radius: 8px;
  background: #faf8fb;
}

.exercise-bank__filters label {
  margin: 0;
}

.exercise-bank__filter-search {
  grid-column: span 2;
}

.exercise-bank__filter-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
}

.exercise-bank__technical-id {
  display: block;
  margin-top: 3px;
  color: #687080;
  font-family: Consolas, "Courier New", monospace;
}

.exercise-bank__warning {
  margin: 10px 0;
  padding: 10px;
  border-radius: 5px;
  color: #765500;
  background: #fff4cf;
}

.exercise-bank__class-picker {
  display: flex;
  gap: 8px 16px;
  flex-wrap: wrap;
  margin: 14px 0;
  border: 1px solid #ddd4e4;
  border-radius: 6px;
}

.exercise-bank__class-picker label {
  margin: 3px 0;
}

.exercise-bank__assisted-input {
  display: flex;
  gap: 7px;
}

.exercise-bank__assisted-input input {
  min-width: 0;
}

.exercise-bank__chips {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  min-height: 32px;
}

.exercise-bank__chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 5px 4px 9px;
  border-radius: 999px;
  background: #eee5f5;
  color: #38234b;
}

.exercise-bank__chip button {
  padding: 0 5px;
  border: 0;
  background: transparent;
  font-size: 1.1em;
}

.exercise-bank textarea {
  resize: vertical;
  font-family: Consolas, "Courier New", monospace;
}

.exercise-bank__rows {
  display: grid;
  gap: 8px;
}

.exercise-bank__row {
  display: grid;
  grid-template-columns: minmax(140px, .7fr) minmax(260px, 2fr) auto;
  gap: 8px;
  align-items: center;
  padding: 9px;
  background: #f7f5f8;
  border-radius: 5px;
}

.exercise-bank__row--variable {
  grid-template-columns: minmax(110px, .6fr) minmax(130px, .7fr) minmax(180px, 1fr) minmax(120px, .7fr) auto;
}

.exercise-bank__row--choice {
  grid-template-columns: auto minmax(130px, .6fr) minmax(260px, 2fr) auto;
}

.exercise-bank__checkbox {
  flex-direction: row !important;
  align-items: center;
}

.exercise-bank__checkbox input {
  width: auto;
}

.exercise-bank__error,
.exercise-bank__failure {
  color: #8a1616;
  background: #ffe4e4;
  padding: 10px;
  border-radius: 5px;
}

.exercise-bank__success {
  color: #17631e;
  font-weight: bold;
}

.exercise-bank__table-wrap {
  overflow-x: auto;
}

.exercise-bank__table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.exercise-bank__table th,
.exercise-bank__table td {
  padding: 10px;
  border-bottom: 1px solid #ddd;
  text-align: left;
}

.exercise-bank__test-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: 18px;
}

.exercise-bank__render,
.exercise-bank__hint,
.exercise-bank__correction {
  margin: 14px 0;
  padding: 14px;
  border-radius: 6px;
  background: #f7f5f8;
}

.exercise-bank__correction {
  background: #e7f6e9;
}

.exercise-bank__choices {
  display: grid;
  gap: 9px;
  margin: 16px 0;
}

.exercise-bank__choice {
  text-align: left;
}

.exercise-bank__choice.selected {
  outline: 3px solid #7f55a4;
}

.exercise-bank pre {
  overflow: auto;
  padding: 10px;
  background: #27232b;
  color: #fff;
}

.exercise-bank__note {
  font-size: .92em;
  color: #555;
}

.exercise-bank__validation:empty {
  display: none;
}

.exercise-bank__numeric-fields,
.exercise-bank__numeric-response {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.exercise-bank__classification-editor-list,
.exercise-bank__classification-response {
  display: grid;
  gap: 12px;
  margin: 14px 0;
}

.exercise-bank__classification-reservoir {
  display: grid;
  grid-template-columns: minmax(180px, .7fr) minmax(220px, 1fr) minmax(240px, 1.3fr);
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid #d8cee0;
  border-radius: 7px;
  background: #f7f5f8;
}

.exercise-bank__classification-reservoir p,
.exercise-bank__classification-reservoir label {
  margin: 0;
}

.classification-item-mandatory-label {
  margin: 0 !important;
  font-weight: 600 !important;
}

.exercise-bank__classification-editor-row {
  display: grid;
  grid-template-columns: minmax(130px, .7fr) minmax(240px, 1.5fr) minmax(170px, .8fr) auto;
  gap: 9px;
  align-items: center;
  min-width: 0;
  padding: 12px;
  border: 1px solid #d8cee0;
  border-radius: 7px;
  background: #faf8fb;
}

.exercise-bank__classification-editor-row legend {
  padding: 0 7px;
  color: #4d3167;
  font-weight: 700;
}

.classification-category-row {
  grid-template-columns: minmax(130px, .7fr) minmax(240px, 1.5fr) auto;
}

.classification-reference-warning {
  grid-column: 1 / -1;
  margin: 0;
}

.exercise-bank__classification-item {
  display: flex;
  align-items: center;
  gap: 12px 20px;
  flex-wrap: wrap;
  min-width: 0;
  padding: 14px;
  border: 1px solid #d8cee0;
  border-radius: 7px;
  background: #faf8fb;
}

.exercise-bank__classification-item legend {
  flex: 1 1 260px;
  min-width: 0;
  padding: 0 7px;
  overflow-wrap: anywhere;
}

.exercise-bank__classification-item mjx-container {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

.exercise-bank__classification-options {
  display: flex;
  flex: 1 1 300px;
  gap: 8px;
  flex-wrap: wrap;
  min-width: 0;
}

.exercise-bank__classification-option {
  position: relative;
  display: inline-flex !important;
  flex: 1 1 120px;
  flex-direction: row !important;
  align-items: center;
  gap: 7px !important;
  min-width: 0;
  margin: 0 !important;
  padding: 8px 11px;
  border: 2px solid #8f7aa2;
  border-radius: 7px;
  background: #fff;
  color: #2f1d41;
  cursor: pointer;
  font-weight: 600 !important;
}

.exercise-bank__classification-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.exercise-bank__classification-option:has(input:focus-visible) {
  outline: 3px solid #2f6fba;
  outline-offset: 2px;
}

.exercise-bank__classification-option.is-selected {
  border-color: #6b4d8d;
  background: #eee5f5;
}

.exercise-bank__classification-option.is-correct {
  border-color: #237a31;
  background: #e2f4e5;
  color: #164f20;
}

.exercise-bank__classification-option.is-incorrect {
  border-color: #a51d2d;
  background: #fde4e7;
  color: #751421;
}

.exercise-bank__classification-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25em;
  min-width: 1.25em;
  height: 1.25em;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.exercise-bank__classification-item-status {
  flex-basis: 100%;
  color: #665c6d;
}

.exercise-bank__classification-item.is-missing {
  border-color: #a51d2d;
}

.exercise-bank__numeric-field {
  min-width: 0;
  padding: 14px;
  border: 1px solid #d8cee0;
  border-radius: 7px;
  background: #faf8fb;
}

.exercise-bank__numeric-field legend {
  padding: 0 7px;
  color: #4d3167;
  font-weight: 700;
}

.exercise-bank__numeric-field input[type="checkbox"] {
  align-self: flex-start;
  width: auto;
}

.exercise-bank__field-actions {
  display: flex;
  gap: 7px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.exercise-bank__numeric-answer {
  padding: 12px;
  border-radius: 6px;
  background: #f7f5f8;
}

.exercise-bank__numeric-answer-line {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

.exercise-bank__numeric-answer-line input {
  width: min(260px, 100%);
}

.exercise-bank__unit {
  white-space: nowrap;
}

.exercise-bank__expression-preview {
  min-height: 1.4em;
  color: #64606a;
  font-weight: 400;
}

.exercise-bank__display-value {
  min-width: 0;
  padding: 14px;
  border: 1px solid #d8cee0;
  border-radius: 7px;
  background: #faf8fb;
}

.exercise-bank__display-value legend {
  padding: 0 7px;
  color: #4d3167;
  font-weight: 700;
}

.exercise-bank__display-value-header {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.exercise-bank__coefficient-list {
  display: grid;
  gap: 7px;
  margin-top: 10px;
}

.exercise-bank__coefficient-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.exercise-bank__coefficient-row input { flex: 1 1 10rem; min-width: 0; }
.exercise-bank__coefficient-row select { max-width: 100%; }

.exercise-bank__display-preview-controls {
  display: flex;
  align-items: end;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.exercise-bank__display-preview {
  display: grid;
  gap: 8px;
  margin-top: 10px;
  padding: 12px;
  border-radius: 6px;
  background: #f7f5f8;
}

.exercise-bank__display-preview:empty {
  display: none;
}

.exercise-bank__display-preview > div {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.exercise-bank__portable-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.exercise-bank__portable textarea {
  font-size: .88rem;
  line-height: 1.35;
}

.exercise-bank__portable-preview-controls {
  display: flex;
  align-items: end;
  gap: 10px;
  flex-wrap: wrap;
}

.exercise-bank__portable-preview {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid #d8cee0;
  border-radius: 7px;
  background: #fff;
}

.exercise-bank__dialog {
  width: min(720px, calc(100vw - 32px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  border: 1px solid #80609b;
  border-radius: 9px;
  box-shadow: 0 16px 48px rgba(38, 23, 49, .28);
}

.exercise-bank__dialog::backdrop {
  background: rgba(28, 20, 34, .55);
}

.exercise-bank__dialog dl {
  display: grid;
  grid-template-columns: minmax(130px, .6fr) minmax(0, 1.4fr);
  gap: 7px 12px;
}

.exercise-bank__dialog dt {
  font-weight: 700;
}

.exercise-bank__dialog dd {
  margin: 0;
}

.exercise-bank__delete-dialog code {
  overflow-wrap: anywhere;
}

@media (max-width: 760px) {
  .exercise-bank__row,
  .exercise-bank__row--variable,
  .exercise-bank__row--choice,
  .exercise-bank__display-value-header,
  .exercise-bank__coefficient-row,
  .exercise-bank__classification-editor-row,
  .classification-category-row,
  .exercise-bank__classification-reservoir,
  .exercise-bank__portable-grid,
  .exercise-bank__test-grid {
    grid-template-columns: 1fr;
  }

  .exercise-bank__classification-item {
    align-items: stretch;
  }

  .exercise-bank__classification-options {
    flex-basis: 100%;
  }
}
.exercise-bank__interval-line { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; }
.exercise-bank__interval-bound { display: flex; flex: 1 1 15rem; flex-wrap: wrap; gap: .6rem; min-width: 0; margin: 0; }
.exercise-bank__interval-bound > * { min-width: 0; }
.exercise-bank__interval-bound select,
.exercise-bank__interval-bound input { width: 100%; max-width: 100%; box-sizing: border-box; }
.exercise-bank__interval-bound label { display: block; }
.exercise-bank__interval-bound input:focus-visible,
.exercise-bank__interval-bound select:focus-visible { outline: 3px solid #375aa8; outline-offset: 2px; }
.exercise-bank__interval-editor fieldset { min-width: 0; margin-bottom: 1rem; }
.exercise-bank__interval-editor [hidden],
.exercise-bank__interval-response [hidden] { display: none !important; }
.exercise-bank__interval-separator { font-size: 1.5rem; }
.exercise-bank__graph { width: 400px; max-width: 100%; margin: 1rem auto; color: #14232e; }
.exercise-bank__graph figcaption { text-align: center; font-weight: bold; margin-bottom: .4rem; }
.exercise-bank__graph svg { display: block; width: 100%; height: auto; background: white; }
.exercise-bank__coefficient-row [hidden] { display: none !important; }
.exercise-bank__points-response fieldset { min-width: 0; margin: 1rem 0; border: 1px solid #80609b; border-radius: 6px; }
.exercise-bank__points-response .exercise-bank__numeric-response { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem; }
.exercise-bank__points-response .exercise-bank__numeric-answer { min-width: 0; }
.exercise-bank__points-response .exercise-bank__numeric-answer-line { flex-wrap: nowrap; }
.exercise-bank__points-response input { min-width: 0; width: 0; flex: 1; box-sizing: border-box; }
.exercise-bank__points-response input:focus-visible { outline: 3px solid #375aa8; outline-offset: 2px; }
.exercise-bank__sign-table { width: 100%; max-width: 100%; table-layout: fixed; border: 1px solid #222; border-collapse: collapse; border-radius: 0; margin: 1rem 0; color: #222; background: white; }
.exercise-bank__sign-table caption { color: #222; margin-bottom: .5rem; font-size: 1rem; }
.exercise-bank__sign-table tr, .exercise-bank__sign-table tr:hover { background: white; }
.exercise-bank__sign-table th, .exercise-bank__sign-table td { width: auto; border: 0; padding: .5rem .25rem; vertical-align: middle; text-align: center; overflow-wrap: anywhere; }
.exercise-bank__sign-table th { border-right: 1px solid #222; font-weight: normal; }
.exercise-bank__sign-table tr + tr { border-top: 1px solid #222; }
.exercise-bank__sign-table .sign-heading-col { width: 16%; }
.exercise-bank__sign-table .sign-root-col { width: 28%; }
.exercise-bank__sign-table .sign-infinity--left { text-align: left; }
.exercise-bank__sign-table .sign-infinity--right { text-align: right; }
.exercise-bank__sign-table .sign-zero { position: relative; }
.exercise-bank__sign-table .sign-zero::before { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; border-left: 1px solid #222; }
.exercise-bank__sign-table .sign-zero > span { position: relative; background: white; padding: .2em; }
.exercise-bank__sign-table input[type="text"] { min-width: 0; width: 100%; max-width: 100%; box-sizing: border-box; padding: .4rem .2rem; text-align: center; font: inherit; }
.exercise-bank__sign-table .sign-root-preview { display: grid; place-items: center; font-size: 1rem; min-height: 2.25em; min-width: 0; max-width: 100%; overflow-x: auto; overflow-y: hidden; }
.exercise-bank__sign-table .sign-root-preview:empty { display: none; }
.exercise-bank__sign-table mjx-container { max-width: 100%; overflow-x: auto; overflow-y: hidden; }
.exercise-bank__sign-table .sign-options { border: 0; padding: 0; margin: 0; min-width: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: .25rem; }
.exercise-bank__sign-table .sign-options label { display: block; position: relative; margin: 0; cursor: pointer; }
.exercise-bank__sign-table .sign-options input, .exercise-bank__sign-table .sign-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.exercise-bank__sign-table .sign-options label > span { display: flex; align-items: center; justify-content: center; box-sizing: border-box; width: 2.5rem; min-height: 2.75rem; border: 1px solid #70627c; border-radius: 4px; background: #faf8fc; font-size: 1.2rem; }
.exercise-bank__sign-table .sign-options input:checked + span { background: #e3ddf2; border: 2px solid #59447c; font-weight: bold; }
.exercise-bank__sign-table .sign-options input:checked + span::after { content: "✓"; position: absolute; top: 0; right: .15rem; font-size: .6rem; }
.exercise-bank__sign-table .sign-options input:focus-visible + span,
.exercise-bank__sign-table input[type="text"]:focus-visible { outline: 3px solid #375aa8; outline-offset: 2px; }
.exercise-bank__test-grid > *, .exercise-bank__portable-preview { min-width: 0; }
@media (max-width: 760px) {
  .exercise-bank__test-grid { grid-template-columns: minmax(0, 1fr); }
  .exercise-bank--test { font-size: 1rem; }
  .exercise-bank--test pre { overflow-wrap: anywhere; white-space: pre-wrap; }
}