/* Paper page side column: document actions (save, bookmark, cite), the
 * Saved list, document tools (search, similar papers, references) and the
 * citation dialog. Uses the visual identity tokens declared in
 * paper_page.css (docs/visual-identity.md). Loaded after style.css and
 * academic.css, whose generic button rules are reset here. */

/* The side column scrolls when search results or references are long. */
body.public-page.paper-page .paper-side {
  overflow-x: hidden !important;
  overflow-y: auto !important;
  overscroll-behavior: contain;
}

body.paper-page .paper-side .panel-title {
  margin: 0 0 10px;
  color: var(--scieee-deep-navy);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

body.paper-page .paper-actions-panel .side-back-link {
  margin-bottom: 12px;
}

/* ---- Actions ---- */
body.paper-page .paper-actions {
  display: grid;
  gap: 8px;
}

body.paper-page .paper-action {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--scieee-mist);
  border-radius: 10px;
  background: var(--scieee-white);
  color: var(--scieee-deep-navy);
  box-shadow: none;
  font: 400 13px/1.25 Inter, ui-sans-serif, system-ui, sans-serif;
  text-align: left;
}

body.paper-page .paper-action:hover {
  border-color: var(--scieee-soft-blue);
  background: var(--scieee-cloud);
}

body.paper-page .paper-action:focus-visible,
body.paper-page .saved-item-remove:focus-visible,
body.paper-page .paper-find-input:focus-visible,
body.paper-page .paper-find button:focus-visible,
body.paper-page .paper-tool-section a:focus-visible,
body.paper-page .paper-references summary:focus-visible,
body.paper-page .paper-cite-dialog button:focus-visible,
body.paper-page .paper-cite-style input:focus-visible + span {
  outline: none;
  box-shadow: var(--paper-focus-ring);
}

body.paper-page .paper-action-icon {
  display: block;
  color: var(--scieee-discovery-blue);
}

body.paper-page .paper-action-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

body.paper-page .paper-action-label {
  font-weight: 600;
}

body.paper-page .paper-action-note {
  color: var(--scieee-slate);
  font-size: 11.5px;
}

/* Saving is the primary action and a toggle: blue while saved. */
body.paper-page .paper-action--save {
  border-color: var(--scieee-discovery-blue);
}

body.paper-page .paper-action--save .icon-saved,
body.paper-page .paper-action--save.is-saved .icon-unsaved {
  display: none;
}

body.paper-page .paper-action--save.is-saved .icon-saved {
  display: block;
}

body.paper-page .paper-action--save.is-saved {
  background: var(--scieee-discovery-blue);
  color: var(--scieee-white);
}

body.paper-page .paper-action--save.is-saved .paper-action-icon {
  color: var(--scieee-white);
}

body.paper-page .paper-action--save.is-saved .paper-action-note {
  color: var(--scieee-mist);
}

body.paper-page .paper-action--save.is-saved:hover {
  border-color: var(--scieee-deep-navy);
  background: var(--scieee-deep-navy);
}

/* Bookmark placement mode: the button stays pressed until a place is chosen. */
body.paper-page .paper-action--bookmark.bookmark-mode-active {
  border-color: var(--scieee-discovery-blue);
  background: var(--scieee-cloud);
  outline: none;
  box-shadow: inset 0 0 0 1px var(--scieee-discovery-blue);
}

/* ---- Saved list (hidden while empty) ---- */
body.paper-page .paper-saved-panel[hidden] {
  display: none !important;
}

body.paper-page .saved-subtitle {
  margin: 10px 0 2px;
  color: var(--scieee-slate);
  font-size: 11px;
  font-weight: 600;
}

body.paper-page .saved-subtitle:first-child {
  margin-top: 0;
}

body.paper-page .saved-items {
  margin: 0;
  padding: 0;
  list-style: none;
}

body.paper-page .saved-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px;
  align-items: start;
  gap: 6px;
  padding: 6px 0;
  border-bottom: 1px solid var(--scieee-mist);
  font-size: 12.5px;
  line-height: 1.35;
}

body.paper-page .saved-item:last-child {
  border-bottom: 0;
}

body.paper-page .saved-item a {
  display: block;
  min-width: 0;
  color: var(--scieee-deep-navy);
}

body.paper-page .saved-item a:hover .saved-item-title {
  color: var(--scieee-discovery-blue);
  text-decoration: underline;
}

body.paper-page .saved-item a svg {
  margin-right: 4px;
  vertical-align: -2px;
  color: var(--scieee-discovery-blue);
}

body.paper-page .saved-item-title {
  overflow-wrap: anywhere;
}

body.paper-page .saved-item-lang {
  margin-left: 6px;
  color: var(--scieee-slate);
  white-space: nowrap;
  font-size: 10.5px;
  font-weight: 600;
}

body.paper-page .saved-item-remove {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--scieee-slate);
  box-shadow: none;
}

body.paper-page .saved-item-remove:hover {
  background: var(--scieee-mist);
  color: var(--scieee-deep-navy);
}

/* ---- Document tools ---- */
body.paper-page .paper-tool-label {
  display: block;
  margin: 0 0 6px;
  color: var(--scieee-deep-navy);
  font-size: 12.5px;
  font-weight: 600;
}

body.paper-page .paper-find-row {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--scieee-mist);
  border-radius: 999px;
  background: var(--scieee-white);
}

body.paper-page .paper-find-row:focus-within {
  border-color: var(--scieee-discovery-blue);
}

body.paper-page .paper-find-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 34px;
  margin: 0;
  padding: 0 4px 0 14px;
  border: 0;
  border-radius: 999px 0 0 999px;
  background: transparent;
  color: var(--scieee-deep-navy);
  font: 400 13px/1.2 Inter, ui-sans-serif, system-ui, sans-serif;
  outline: none;
}

body.paper-page .paper-find-input::placeholder {
  color: var(--scieee-slate);
}

body.paper-page .paper-find-submit {
  display: grid;
  place-items: center;
  width: 38px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0 999px 999px 0;
  background: transparent;
  color: var(--scieee-discovery-blue);
  box-shadow: none;
}

body.paper-page .paper-find-submit:hover {
  background: var(--scieee-cloud);
}

body.paper-page .paper-find-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 0;
}

body.paper-page .paper-find-status {
  color: var(--scieee-deep-navy);
  font-size: 12px;
}

body.paper-page .paper-find-status:not(:empty) {
  padding-top: 8px;
}

body.paper-page .paper-find.is-searching .paper-find-status {
  color: var(--scieee-slate);
}

body.paper-page .paper-find-nav {
  display: inline-flex;
  gap: 4px;
  padding-top: 8px;
}

body.paper-page .paper-find-nav[hidden] {
  display: none;
}

body.paper-page .paper-find-nav button {
  display: grid;
  place-items: center;
  width: 28px;
  height: 26px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--scieee-mist);
  border-radius: 7px;
  background: var(--scieee-white);
  color: var(--scieee-deep-navy);
  box-shadow: none;
}

body.paper-page .paper-find-nav button:hover {
  border-color: var(--scieee-soft-blue);
  background: var(--scieee-cloud);
}

body.paper-page .paper-find-results {
  display: grid;
  gap: 2px;
  max-height: 40vh;
  margin: 6px 0 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
}

body.paper-page .paper-find-results:empty {
  display: none;
}

body.paper-page .paper-find-result {
  display: grid;
  gap: 2px;
  width: 100%;
  margin: 0;
  padding: 6px 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--scieee-deep-navy);
  box-shadow: none;
  font: 400 12px/1.4 Inter, ui-sans-serif, system-ui, sans-serif;
  text-align: left;
}

body.paper-page .paper-find-result:hover {
  background: var(--scieee-cloud);
}

body.paper-page .paper-find-result.is-current {
  background: var(--scieee-mist);
}

body.paper-page .paper-find-page {
  color: var(--scieee-slate);
  font-size: 10.5px;
  font-weight: 600;
}

body.paper-page .paper-find-snippet {
  overflow-wrap: anywhere;
}

body.paper-page .paper-find-snippet mark {
  padding: 0 1px;
  border-radius: 2px;
  background: rgba(112, 205, 49, .35);
  color: inherit;
}

body.paper-page .paper-find-more {
  padding: 4px 8px;
  color: var(--scieee-slate);
  font-size: 11.5px;
}

/* Matches in the document. The highlight leaves the document's DOM as is. */
::highlight(scieee-find) {
  background-color: rgba(112, 205, 49, .35);
}

::highlight(scieee-find-current) {
  background-color: rgba(1, 109, 198, .35);
}

body.paper-page .scieee-find-current-element {
  outline: 2px solid var(--scieee-discovery-blue);
  outline-offset: 1px;
}

body.paper-page .paper-tool-section {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--scieee-mist);
}

body.paper-page .paper-tool-section[hidden] {
  display: none;
}

body.paper-page .paper-similar-list,
body.paper-page .paper-references-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

body.paper-page .paper-similar-item {
  display: grid;
  gap: 2px;
  padding: 6px 0;
  border-bottom: 1px solid var(--scieee-mist);
}

body.paper-page .paper-similar-item:last-child {
  border-bottom: 0;
}

body.paper-page .paper-similar-title {
  color: var(--scieee-deep-navy);
  font-family: Lora, Georgia, "Times New Roman", serif;
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

body.paper-page .paper-similar-title:hover {
  color: var(--scieee-discovery-blue);
  text-decoration: underline;
}

body.paper-page .paper-similar-meta {
  color: var(--scieee-slate);
  font-size: 11.5px;
  overflow-wrap: anywhere;
}

body.paper-page .paper-references summary {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  border-radius: 6px;
  list-style: none;
  cursor: pointer;
}

body.paper-page .paper-references summary::-webkit-details-marker {
  display: none;
}

body.paper-page .paper-references-count {
  min-width: 18px;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--scieee-mist);
  font-size: 11px;
  text-align: center;
}

body.paper-page .paper-references-chevron {
  margin-left: auto;
  transition: transform .15s ease;
}

body.paper-page .paper-references[open] .paper-references-chevron {
  transform: rotate(180deg);
}

body.paper-page .paper-references-note {
  margin: 0 0 6px;
  color: var(--scieee-slate);
  font-size: 11.5px;
}

body.paper-page .paper-references-list {
  counter-reset: reference;
}

body.paper-page .paper-reference-item {
  padding: 6px 0;
  border-bottom: 1px solid var(--scieee-mist);
  color: var(--scieee-deep-navy);
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

body.paper-page .paper-reference-item:last-child {
  border-bottom: 0;
}

body.paper-page .paper-references-list.is-numbered .paper-reference-item::before {
  counter-increment: reference;
  content: counter(reference) ". ";
  color: var(--scieee-slate);
  font-weight: 600;
}

body.paper-page .paper-reference-link {
  color: var(--scieee-discovery-blue);
  font-weight: 600;
  white-space: nowrap;
}

body.paper-page .paper-reference-link:hover {
  text-decoration: underline;
}

/* ---- Citation dialog ---- */
body.paper-page .paper-cite-dialog {
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: 0;
  border: 1px solid var(--scieee-mist);
  border-radius: 14px;
  background: var(--scieee-white);
  color: var(--scieee-deep-navy);
  box-shadow: 0 12px 36px rgba(23, 59, 117, .18);
}

body.paper-page .paper-cite-dialog::backdrop {
  background: rgba(23, 59, 117, .28);
}

body.paper-page .paper-cite-body {
  display: grid;
  gap: 12px;
  padding: 18px 20px 20px;
}

body.paper-page .paper-cite-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

body.paper-page .paper-cite-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}

body.paper-page .paper-cite-close {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--scieee-mist);
  border-radius: 8px;
  background: var(--scieee-white);
  color: var(--scieee-deep-navy);
  box-shadow: none;
}

body.paper-page .paper-cite-close:hover {
  background: var(--scieee-cloud);
}

body.paper-page .paper-cite-note {
  margin: 0;
  color: var(--scieee-slate);
  font-size: 12.5px;
}

body.paper-page .paper-cite-styles {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  border: 0;
}

body.paper-page .paper-cite-styles legend {
  margin-bottom: 6px;
  padding: 0;
  font-size: 12.5px;
  font-weight: 600;
}

body.paper-page .paper-cite-style {
  position: relative;
}

body.paper-page .paper-cite-style input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

body.paper-page .paper-cite-style span {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--scieee-mist);
  border-radius: 999px;
  background: var(--scieee-white);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}

body.paper-page .paper-cite-style span:hover {
  border-color: var(--scieee-soft-blue);
  background: var(--scieee-cloud);
}

body.paper-page .paper-cite-style input:checked + span {
  border-color: var(--scieee-discovery-blue);
  background: var(--scieee-discovery-blue);
  color: var(--scieee-white);
}

body.paper-page .paper-cite-text {
  max-height: 40vh;
  margin: 0;
  padding: 12px 14px;
  overflow: auto;
  border: 1px solid var(--scieee-mist);
  border-radius: 10px;
  background: var(--scieee-cloud);
  color: var(--scieee-deep-navy);
  font: 400 13px/1.55 Inter, ui-sans-serif, system-ui, sans-serif;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  user-select: all;
}

body.paper-page .paper-cite-text[data-cite-text="bibtex"] {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

body.paper-page .paper-cite-text[hidden] {
  display: none;
}

body.paper-page .paper-cite-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

body.paper-page .paper-cite-copy {
  margin: 0;
  padding: 9px 16px;
  border: 1px solid var(--scieee-discovery-blue);
  border-radius: 999px;
  background: var(--scieee-discovery-blue);
  color: var(--scieee-white);
  box-shadow: none;
  font: 600 13px/1.2 Inter, ui-sans-serif, system-ui, sans-serif;
}

body.paper-page .paper-cite-copy:hover {
  border-color: var(--scieee-deep-navy);
  background: var(--scieee-deep-navy);
}

body.paper-page .paper-cite-status {
  color: var(--scieee-deep-navy);
  font-size: 12.5px;
}

/* In-document bookmark markers use the brand blue instead of the legacy red. */
body.paper-page .doc-bookmark-marker,
body.paper-page .doc-bookmark-marker:hover,
body.paper-page .doc-bookmark-marker:focus,
body.paper-page .doc-bookmark-marker:active {
  color: var(--scieee-discovery-blue) !important;
  filter: drop-shadow(0 1px 1px rgba(23, 59, 117, .35));
}

body.paper-page .doc-bookmark-marker svg {
  display: block;
  margin: 0 auto;
}

@media (prefers-reduced-motion: reduce) {
  body.paper-page .paper-references-chevron {
    transition: none;
  }
}