.study-library {
  border-bottom: 1px solid var(--ui-border);
}

.study-library-heading {
  min-height: 56px;
}

.study-create-form {
  padding: 14px 16px;
  border-bottom: 1px solid var(--ui-border);
  background: var(--ui-surface-subtle);
}

.study-create-form > label {
  display: block;
  margin: 10px 0 5px;
  color: var(--ui-text-soft);
  font-size: 12px;
  font-weight: 650;
}

.study-create-form > label:first-child {
  margin-top: 0;
}

.study-create-form input,
.study-create-form textarea,
.study-paper-link-row select,
#study-note-source {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 36px;
  padding: 7px 9px;
  border: 1px solid var(--ui-input-border);
  border-radius: 3px;
  background: var(--ui-input-bg);
  color: var(--ui-text);
}

.study-create-form textarea,
#study-note-text {
  resize: vertical;
  line-height: 1.6;
}

.study-create-review {
  margin-top: 12px;
  padding: 10px;
  border-left: 3px solid var(--ui-primary);
  background: var(--ui-selected);
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  line-height: 1.55;
}

.study-create-review strong {
  display: block;
  margin-bottom: 5px;
}

.study-form-actions,
.study-paper-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 10px;
}

.study-status {
  margin-top: 8px;
  color: var(--ui-text-muted);
  font-size: 12px;
  line-height: 1.55;
}

.study-status[data-kind="error"] {
  color: var(--ui-danger);
}

.study-status[data-kind="success"] {
  color: var(--ui-success);
}

.study-status .button {
  min-height: 30px;
  margin-left: 6px;
  padding: 3px 7px;
}

.study-list-empty {
  padding: 12px 16px;
  color: var(--ui-text-muted);
  font-size: 12px;
}

.study-list:empty {
  display: none;
}

.study-list .document-open {
  padding-block: 12px;
}

.study-list .document-meta {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) #documents-empty,
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) .reader-heading-row,
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) #metadata-panel,
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) .reader-toolbar,
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) #reader-stage,
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) #image-library,
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) #note-form,
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) #saved-notes-group .saved-notes-heading:not(#study-notes-heading),
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) #saved-notes-group .review-explainer:not(#study-review-explainer),
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) #saved-notes-group #notes-empty,
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) #saved-notes-group #notes-list,
.workspace:is([data-owner-kind="study"], [data-owner-kind="personal"]) #notes-panel #deleted-notes {
  display: none !important;
}

.study-view {
  min-width: 0;
  padding: 28px;
}

.data-workspace > .study-view {
  padding: 0 0 20px;
}

.study-view-header,
.study-papers-section {
  max-width: 860px;
  margin: 0 auto;
  padding: 20px;
  border: 1px solid var(--ui-border);
  border-radius: 5px;
  background: var(--ui-surface);
}

.study-view-kicker {
  margin-bottom: 6px;
  color: var(--ui-primary);
  font-size: 12px;
  font-weight: 650;
}

.study-view-header h2 {
  overflow-wrap: anywhere;
  font-size: 22px;
  line-height: 1.35;
}

.study-view-question {
  margin-top: 14px;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  color: var(--ui-text-soft);
  font-size: 15px;
  line-height: 1.75;
}

.study-papers-section {
  margin-top: 16px;
}

.study-papers-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  cursor: pointer;
}

#study-papers-heading {
  flex: 1;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.study-papers-help {
  margin-top: 6px;
  color: var(--ui-text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.study-paper-link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 14px;
}

.study-papers {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.study-paper-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--ui-border);
}

.study-paper-open {
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ui-text);
  text-align: left;
  cursor: pointer;
}

.study-paper-open:hover {
  color: var(--ui-primary);
}

.study-paper-title {
  display: block;
  overflow-wrap: anywhere;
  line-height: 1.5;
}

.study-paper-meta {
  display: block;
  margin-top: 3px;
  color: var(--ui-text-muted);
  font-size: 12px;
}

.study-paper-actions {
  flex: none;
  margin-top: 0;
}

.study-note-editor #study-note-source {
  margin-bottom: 6px;
}

.study-note-source-details {
  margin: 5px 0 12px;
}

.study-note-source-details > summary {
  min-height: 28px;
  color: var(--ui-text-muted);
  font-size: 11px;
  line-height: 1.5;
  cursor: pointer;
}

.study-note-source-details > summary:hover {
  color: var(--ui-primary);
}

.study-note-source-detail {
  margin-bottom: 14px;
  overflow-wrap: anywhere;
  color: var(--ui-text-muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 11px;
  line-height: 1.55;
}

.study-note-editor .note-label {
  margin-top: 12px;
}

#study-note-text {
  display: block;
  width: 100%;
  min-height: 136px;
  padding: 12px;
  border: 1px solid var(--ui-input-border);
  border-radius: 3px;
  background: var(--ui-input-bg);
  color: var(--ui-text);
}

.study-note-open-source {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.study-note-source-hash {
  display: block;
  margin: 4px 0 8px;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  color: var(--ui-text-muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px;
  line-height: 1.5;
}

@media (max-width: 820px) {
  .study-view {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .study-create-form,
  .study-view-header,
  .study-papers-section {
    padding: 12px;
  }

  .study-view {
    padding: 12px;
  }

  .study-paper-link-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .study-paper-item {
    align-items: stretch;
    flex-direction: column;
  }

  .study-paper-actions {
    justify-content: flex-start;
  }
}

.study-resources-section {
  max-width: 860px;
  margin: 16px auto 0;
  padding: 20px;
  border: 1px solid var(--ui-border);
  border-radius: 5px;
  background: var(--ui-surface);
}

.study-resources-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  cursor: pointer;
}

#study-resources-heading {
  flex: 1;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.study-resources-help {
  margin-top: 6px;
  color: var(--ui-text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.study-resource-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.study-resources,
.study-resource-candidates {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.study-resource-item,
.study-resource-candidate {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--ui-border);
}

.study-resource-description {
  min-width: 0;
}

.study-resource-title,
.study-resource-meta,
.study-resource-unavailable {
  display: block;
  overflow-wrap: anywhere;
  line-height: 1.5;
}

.study-resource-meta,
.study-resource-unavailable {
  margin-top: 3px;
  color: var(--ui-text-muted);
  font-size: 12px;
}

.study-resource-unavailable {
  color: var(--ui-danger);
}

.study-resource-actions {
  display: flex;
  flex: none;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.study-resource-picker {
  width: min(720px, calc(100vw - 32px));
  max-width: 100%;
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 1px solid var(--ui-border);
  border-radius: 6px;
  background: var(--ui-surface);
  color: var(--ui-text);
}

.study-resource-picker::backdrop {
  background: rgb(0 0 0 / 45%);
}

.study-resource-picker-layout {
  max-height: calc(100vh - 34px);
  padding: 20px;
  overflow-y: auto;
}

.study-resource-picker-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.study-resource-picker-header h2 {
  font-size: 20px;
  line-height: 1.4;
}

.study-resource-picker-help {
  margin-top: 8px;
  color: var(--ui-text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.study-resource-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 16px;
}

.study-resource-search input {
  min-width: 0;
  min-height: 36px;
  padding: 7px 9px;
  border: 1px solid var(--ui-input-border);
  border-radius: 3px;
  background: var(--ui-input-bg);
  color: var(--ui-text);
}

.study-resource-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 16px;
  border-bottom: 1px solid var(--ui-border);
}

.study-resource-tabs [role="tab"] {
  min-height: 36px;
  padding: 7px 10px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--ui-text-muted);
  cursor: pointer;
}

.study-resource-tabs [role="tab"][aria-selected="true"] {
  border-bottom-color: var(--ui-primary);
  color: var(--ui-primary);
}

.study-resource-pagination {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}

@media (max-width: 480px) {
  .study-resources-section,
  .study-resource-picker-layout {
    padding: 12px;
  }

  .study-resource-item,
  .study-resource-candidate {
    align-items: stretch;
    flex-direction: column;
  }

  .study-resource-actions {
    justify-content: flex-start;
  }

  .study-resource-search {
    grid-template-columns: minmax(0, 1fr);
  }
}