.question-body {
  min-height: 100vh;
  background: var(--bg-0);
  color: var(--tx-1);
}

.question-workspace[hidden],
.question-empty-state[hidden] {
  display: none;
}

.question-header {
  min-height: 64px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.question-header-brand,
.question-header-actions,
.question-button-row,
.question-panel-heading {
  display: flex;
  align-items: center;
  gap: 10px;
}

.question-header-brand > span,
#question-user {
  color: var(--tx-3);
  font-size: 12px;
}

.question-workspace {
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: 310px minmax(480px, 1fr) minmax(340px, .75fr);
}

.question-library,
.question-preview {
  padding: 20px;
  background: var(--bg-1);
}

.question-library {
  border-right: 1px solid var(--line);
}

.question-preview {
  border-left: 1px solid var(--line);
}

.question-editor {
  min-width: 0;
}

.question-panel-heading,
.question-editor-toolbar {
  justify-content: space-between;
}

.question-panel-heading h2 {
  margin-top: 5px;
  font: 600 17px/1.2 var(--font-display);
}

.question-kicker {
  color: var(--accent);
  font: 600 9px/1 var(--font-mono);
  letter-spacing: .13em;
}

.question-filter-form,
.question-form {
  display: grid;
  gap: 13px;
}

.question-filter-form {
  margin: 15px 0;
}

.question-filter-grid,
.question-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.question-filter-form input,
.question-filter-form select,
.question-form input,
.question-form select,
.question-form textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 11px;
  border: 1px solid var(--line-strong);
  background: var(--bg-0);
  color: var(--tx-1);
  outline: 0;
  resize: vertical;
  font: 13px/1.6 var(--font-body);
}

.question-filter-form input:focus,
.question-filter-form select:focus,
.question-form input:focus,
.question-form select:focus,
.question-form textarea:focus {
  border-color: var(--accent);
}

.question-form > label,
.question-field-grid label {
  display: grid;
  gap: 7px;
  color: var(--tx-2);
  font-size: 11px;
}

.question-list {
  display: grid;
  gap: 7px;
}

.question-list-item {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--tx-2);
  text-align: left;
  cursor: pointer;
}

.question-list-item:hover,
.question-list-item.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--tx-1);
}

.question-list-item strong,
.question-list-item span {
  display: block;
}

.question-list-item span {
  margin-top: 5px;
  color: var(--tx-3);
  font: 500 10px/1.5 var(--font-mono);
}

.question-editor-toolbar {
  position: sticky;
  top: 0;
  z-index: 4;
  min-height: 64px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-1);
  display: flex;
  align-items: center;
  gap: 14px;
}

.question-status-badge {
  display: inline-block;
  padding: 5px 8px;
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font: 600 10px/1 var(--font-mono);
}

.question-status {
  margin-left: 8px;
  color: var(--tx-3);
  font-size: 11px;
}

.question-form {
  padding: 24px;
}

.question-form select[multiple] {
  min-height: 190px;
}

.question-versions-panel {
  margin: 0 24px 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.question-versions {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.question-version-row {
  padding: 10px 12px;
  border: 1px solid var(--line);
  color: var(--tx-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.question-preview-paper {
  margin-top: 14px;
}

.question-preview-paper .lecture-block {
  margin: 0;
}

.question-preview-note {
  margin-top: 15px;
  color: var(--tx-3);
  font-size: 11px;
  line-height: 1.7;
}

.question-empty-state {
  width: min(560px, calc(100% - 32px));
  margin: 80px auto;
  padding: 60px 28px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  text-align: center;
}

.question-empty-state h1 {
  margin: 12px 0;
}

.question-empty-state p {
  margin-bottom: 22px;
  color: var(--tx-2);
}

@media (max-width: 1180px) {
  .question-workspace {
    grid-template-columns: 290px minmax(0, 1fr);
  }
  .question-preview {
    grid-column: 1 / -1;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .question-header {
    padding: 14px 16px;
    align-items: flex-start;
  }
  .question-header-actions,
  .question-editor-toolbar {
    flex-wrap: wrap;
  }
  .question-workspace {
    grid-template-columns: 1fr;
  }
  .question-library {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .question-editor-toolbar {
    position: static;
  }
  .question-field-grid {
    grid-template-columns: 1fr;
  }
}