/* from styles/tokens.css */
:root {
  --font-body: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-heading: 'Fira Mono', monospace;
  --primary: #007aff;
  --body-bg: #f9fafb;
  --body-bg-dark: #0b1120;
  --toolbar-bg: rgba(255, 255, 255, .65);
  --toolbar-border: rgba(0, 0, 0, .06);
  --guide-line: rgba(15, 23, 42, .12);
  --toolbar-icon: #111827;
  --toolbar-hover: #60a5fa;
  --toolbar-active: #1e3a8a;
  --page-margin: 5vw;
  --pmid-sidebar-width: 350px;
  --sidebar-radius: 20px;
  --workspace-gap: clamp(1rem, 2vw, 1.5rem);
  --editor-track-max: none;
  --pmid-card-gap: 10px;
  --surface: #ffffff;
  --surface-subtle: #f0f3fb;
  --surface-muted: #eef1f7;
  --text-strong: #0f172a;
  --text-muted: #475569;
  --text-soft: #64748b;
  --danger: #dc2626;
  --danger-soft: rgba(254, 226, 226, .95);
  --border-soft: rgba(15, 23, 42, .08);
  --border-strong: rgba(15, 23, 42, .12);
  --shadow-soft: 0 10px 28px rgba(15, 23, 42, .08);
  --shadow-strong: 0 20px 50px rgba(0, 0, 0, .25);
  --shadow-heavy: 0 20px 50px rgba(0, 0, 0, .5);
  --radius-lg: 16px;
  --radius-sm: 10px;
  --transition-fast: .15s ease;
}

.dark:root {
  --toolbar-bg: rgba(3, 7, 18, .65);
  --toolbar-border: rgba(255, 255, 255, .12);
  --guide-line: rgba(148, 163, 184, .22);
  --toolbar-icon: #f5f5f6;
  --toolbar-hover: #bfdbfe;
  --toolbar-active: #60a5fa;
  --body-bg: var(--body-bg-dark);
  --surface: #0d172b;
  --surface-subtle: rgba(15, 23, 42, .82);
  --surface-muted: #141c2f;
  --text-strong: #f1f5f9;
  --text-muted: #cbd5e1;
  --text-soft: #94a3b8;
  --danger-soft: rgba(127, 29, 29, .5);
  --border-soft: rgba(148, 163, 184, .18);
  --border-strong: rgba(148, 163, 184, .24);
  --shadow-soft: 0 14px 36px rgba(0, 0, 0, .45);
  --shadow-strong: 0 20px 50px rgba(0, 0, 0, .5);
}

/* from styles/base.css */
body {
  font-family: var(--font-body);
  background: var(--body-bg);
  color: var(--text-strong);
}

/* Header title */
.header-title {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

/* Quill base polishing */
.ql-container {
  border: 0 !important;
  background: transparent;
}

.ql-editor {
  font-size: 20px;
  line-height: 1.5;
  background: transparent;
  color: var(--text-strong);
  caret-color: #2563eb !important;
}

.ql-editor p {
  margin-bottom: .5em;
}

.ql-editor p:last-child {
  margin-bottom: 0;
}

.ql-container.ql-snow:focus-within,
.ql-editor:focus,
.ql-editor:focus-visible,
.ql-editor:-moz-focusring {
  outline: none !important;
  box-shadow: none !important;
}

.dark .ql-editor {
  color: var(--text-strong);
  caret-color: #93c5fd !important;
}

.ql-editor a {
  text-decoration-color: rgba(37, 99, 235, .45);
}

.ql-editor a:hover {
  text-decoration-color: rgba(29, 78, 216, .6);
}

.ql-editor ol,
.ql-editor ul {
  margin-bottom: .75em;
  padding-left: 1.25em;
}

.ql-editor li {
  margin-bottom: .35em;
}

/* PMID token */
.ql-pmid {
  background: #dbeafe;
  color: var(--primary);
  border-radius: 6px;
  padding: 1px 6px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: color .18s ease, background-color .18s ease, text-decoration-color .18s ease;
}

.dark .ql-pmid {
  background: #1e3a8a;
  color: #93c5fd;
}

.pmid-inline-highlight {
  color: #dc2626 !important;
  background: rgba(254, 226, 226, .95) !important;
}

.dark .pmid-inline-highlight {
  color: #f87171 !important;
  background: rgba(127, 29, 29, .5) !important;
}

/* from styles/components/toolbar.css */
/* Toolbar translucent with shadows */
#topbar {
  backdrop-filter: saturate(130%) blur(14px);
  -webkit-backdrop-filter: saturate(130%) blur(14px);
  background: var(--toolbar-bg);
  border-color: var(--toolbar-border);
  box-shadow: none;
}

/* FLOATING STATUSBAR PILL */
#statusbar {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 60;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 10px var(--pill-pad, 16px);
  border-radius: 9999px;
  border: 1px solid var(--toolbar-border);
  backdrop-filter: saturate(120%) blur(12px);
  -webkit-backdrop-filter: saturate(120%) blur(12px);
  background: var(--toolbar-bg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .18), 0 2px 6px rgba(0, 0, 0, .12);
  flex-wrap: nowrap;
  transition: padding .25s ease;
}

#statusbar:hover,
#statusbar:focus-within {
  padding: 10px var(--pill-pad-expanded, calc(var(--pill-pad, 16px) + 12px));
}

.dark #statusbar {
  box-shadow: 0 14px 36px rgba(0, 0, 0, .5), 0 2px 8px rgba(0, 0, 0, .45);
}

#statusbar span {
  white-space: nowrap;
}

#statusbar .stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-variant-numeric: tabular-nums;
}

#statusbar .stat svg {
  flex-shrink: 0;
}

#statusbar .stat {
  position: relative;
}

#statusbar .stat-label {
  opacity: 0;
  font-size: 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: inherit;
  max-width: 0;
  overflow: hidden;
  margin-left: 0;
  transition: opacity .22s ease, transform .22s ease, max-width .22s ease, margin-left .22s ease;
  transform: translateY(4px);
}

#statusbar:hover .stat-label,
#statusbar:focus-within .stat-label {
  opacity: .75;
  transform: translateY(0);
  max-width: 60px;
  margin-left: 4px;
}

#statusbar .stat-total {
  font-weight: 600;
}

/* Quill toolbar visuals */
#toolbar {
  position: relative;
}

/* Quill will add .ql-toolbar automatically to #toolbar after initialization */
.ql-toolbar.ql-snow {
  box-shadow: none;
  border-radius: 9999px;
}

.ql-toolbar {
  border: 0 !important;
  background: transparent !important;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  width: 100%;
  overflow-x: auto;
  overflow-y: visible;
  white-space: nowrap;
  flex-wrap: nowrap;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  padding-left: 12px;
  padding-right: 12px;
  box-sizing: border-box;
}

.ql-toolbar .ql-formats {
  margin: 0;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.ql-toolbar button,
.ql-toolbar .ql-picker {
  height: 26px;
  flex-shrink: 0;
}

.ql-toolbar .ql-picker-label,
.ql-toolbar button {
  display: inline-flex;
  align-items: center;
}

.ql-toolbar .ql-stroke {
  stroke: var(--toolbar-icon);
}

.ql-toolbar .ql-fill {
  fill: var(--toolbar-icon);
}

/* Keep icon strokes consistent when zooming the page */
#toolbar svg,
#statusbar svg,
.pmid-card svg {
  stroke-width: 1.6 !important;
  vector-effect: non-scaling-stroke;
}

#toolbar svg path,
#toolbar svg circle,
#toolbar svg line,
#toolbar svg polyline,
#toolbar svg polygon,
#toolbar svg rect,
#statusbar svg path,
#statusbar svg circle,
#statusbar svg line,
#statusbar svg polyline,
#statusbar svg polygon,
#statusbar svg rect,
.pmid-card svg path,
.pmid-card svg circle,
.pmid-card svg line,
.pmid-card svg polyline,
.pmid-card svg polygon,
.pmid-card svg rect {
  vector-effect: non-scaling-stroke;
}

.ql-custom-btn {
  border: none;
  border-radius: 3px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  color: var(--toolbar-icon);
  background: transparent;
  position: relative;
}

.ql-custom-btn svg {
  pointer-events: none;
}

.ql-custom-btn[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  top: calc(100% + 8px);
  transform: translateX(-50%) translateY(-4px);
  padding: 6px 8px;
  background: rgba(15, 23, 42, .9);
  color: #f8fafc;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.2;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .24);
  transition: opacity .15s ease, transform .15s ease;
  z-index: 10000;
}

.dark .ql-custom-btn[data-tooltip]::after {
  background: rgba(15, 23, 42, .94);
  color: #e5e7eb;
}

#toolbar.toolbar-tooltips-ready .ql-custom-btn[data-tooltip]::after {
  display: none;
}

#toolbar-tooltip {
  position: fixed;
  left: 0;
  top: 0;
  transform: translate(-50%, -4px);
  padding: 6px 8px;
  background: rgba(15, 23, 42, .9);
  color: #f8fafc;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.2;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .24);
  transition: opacity .15s ease, transform .15s ease;
  z-index: 80;
}

.dark #toolbar-tooltip {
  background: rgba(15, 23, 42, .94);
  color: #e5e7eb;
}

#toolbar-tooltip.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.ql-custom-btn[data-tooltip]:hover::after,
.ql-custom-btn[data-tooltip]:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#toggle-abstract svg {
  stroke: currentColor;
}

.ql-custom-btn:hover:not(.ql-active),
.ql-custom-btn:focus-visible:not(.ql-active) {
  color: var(--toolbar-hover);
  /* brighter sky blue on hover/focus */
  outline: none;
}

.ql-custom-btn.ql-active {
  color: var(--toolbar-active);
  /* deep blue when active */
}

.toolbar-formatting {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: nowrap;
}

.toolbar-readonly-banner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  font-weight: 900;
  letter-spacing: .2em;
  font-size: .84rem;
  text-transform: uppercase;
  color: #0b1222;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .25s ease, transform .25s ease;
  text-shadow: 0 0 18px rgba(255, 255, 255, 1), 0 0 32px rgba(255, 255, 255, 1), 0 0 48px rgba(255, 255, 255, .95), 0 2px 12px rgba(0, 0, 0, .4);
}

.dark .toolbar-readonly-banner {
  color: #cbd5e1;
  text-shadow: 0 0 14px rgba(59, 130, 246, .65), 0 0 26px rgba(59, 130, 246, .55), 0 0 38px rgba(37, 99, 235, .45), 0 2px 12px rgba(0, 0, 0, .7);
}

.view-only-mode #toolbar .toolbar-formatting .ql-formats button,
.view-only-mode #toolbar .toolbar-formatting .ql-formats .ql-picker {
  opacity: .32;
  cursor: not-allowed;
  pointer-events: none;
}

.view-only-mode #toolbar .toolbar-formatting .toolbar-readonly-banner {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 640px) {
  .ql-toolbar {
    justify-content: flex-start;
  }
}

/* from styles/components/editor.css */
/* Editor host and infinite look */
#editor-card {
  position: relative;
  width: 100%;
  max-width: var(--editor-track-max);
  margin-left: auto;
  margin-right: auto;
  border: 0 !important;
  box-shadow: none !important;
  background: transparent;
  overflow: clip;
}

#editor-card::before,
#editor-card::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent 0%, var(--guide-line) 14%, var(--guide-line) 86%, transparent 100%);
  opacity: .6;
}

#editor-card::before {
  left: 0;
}

#editor-card::after {
  right: 0;
}

#editor-shell {
  min-height: 0;
}

/* Popup - translucent glass */
#popup {
  position: fixed;
  max-width: 640px;
  width: 92vw;
  background: rgba(255, 255, 255, .78);
  border: 1px solid rgba(0, 0, 0, .06);
  border-radius: 14px;
  backdrop-filter: saturate(120%) blur(10px);
  -webkit-backdrop-filter: saturate(120%) blur(10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .25);
  z-index: 70;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(4px) scale(.995);
  transition: opacity .12s ease, transform .12s ease, visibility 0s linear .12s;
}

#popup.popup-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  transition: opacity .12s ease, transform .12s ease, visibility 0s;
}

.dark #popup {
  background: rgba(2, 6, 23, .78);
  border-color: rgba(255, 255, 255, .12);
  color: #e5e7eb;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .5);
}

#popup .ql-pmid {
  text-decoration: none;
}

#popup .ql-pmid:hover {
  text-decoration: none;
}

#popup .abstract-box {
  border: 1px solid var(--toolbar-border);
  background: rgba(255, 255, 255, .55);
  font-size: 14px;
  line-height: 1.4;
}

.dark #popup .abstract-box {
  border-color: var(--toolbar-border);
  background: rgba(15, 23, 42, .45);
}

.nice-scroll {
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, .45) transparent;
}

.nice-scroll::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.nice-scroll::-webkit-scrollbar-track {
  background: transparent;
  margin: 10px 0;
}

.nice-scroll::-webkit-scrollbar-thumb {
  background-color: rgba(148, 163, 184, .45);
  border-radius: 9999px;
  border: 1px solid transparent;
}

.nice-scroll:hover::-webkit-scrollbar-thumb {
  background-color: rgba(148, 163, 184, .65);
}

.dark .nice-scroll {
  scrollbar-color: rgba(209, 213, 219, .55) transparent;
}

.dark .nice-scroll::-webkit-scrollbar-thumb {
  background-color: rgba(203, 213, 225, .5);
}

.dark .nice-scroll:hover::-webkit-scrollbar-thumb {
  background-color: rgba(226, 232, 240, .75);
}

/* from styles/components/sidebar.css */
:is(#pmid-sidebar, #abstract-sidebar) {
  display: flex;
  flex-direction: column;
  position: sticky;
  top: calc((var(--topbar-height, 0px)) + 24px);
  max-height: calc(100vh - (var(--topbar-height, 0px) + 72px));
  min-height: 220px;
  margin: 0;
  border-radius: var(--sidebar-radius);
  background-clip: padding-box;
  -webkit-clip-path: inset(0 round var(--sidebar-radius));
  clip-path: inset(0 round var(--sidebar-radius));
  border: 1px solid var(--border-soft);
  background: var(--surface);
  backdrop-filter: saturate(130%) blur(18px);
  -webkit-backdrop-filter: saturate(130%) blur(18px);
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: var(--shadow-soft);
  transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease, transform .32s ease, opacity .22s ease, width .32s ease, max-width .32s ease, flex-basis .32s ease, padding .32s ease;
  scrollbar-gutter: stable both-edges;
}

#pmid-sidebar {
  width: var(--pmid-sidebar-width);
  max-width: var(--pmid-sidebar-width);
  flex: 0 0 var(--pmid-sidebar-width);
  padding: 22px;
}

#abstract-sidebar {
  height: calc(100vh - (var(--topbar-height, 0px)) - 72px);
  width: 0;
  max-width: 0;
  flex: 0 0 0;
  padding: 0;
  opacity: 0;
  transform: translateX(28px);
  pointer-events: none;
}

body.abstract-sidebar-open #abstract-sidebar {
  width: var(--pmid-sidebar-width);
  max-width: var(--pmid-sidebar-width);
  flex: 0 0 var(--pmid-sidebar-width);
  padding: 22px;
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.abstract-transition {
  opacity: 0;
  transform: translateY(8px) scale(.985);
  transition: opacity .24s ease, transform .24s ease;
}

.abstract-transition.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

:is(#pmid-sidebar, #abstract-sidebar)::-webkit-scrollbar {
  width: 6px;
}

:is(#pmid-sidebar, #abstract-sidebar)::-webkit-scrollbar-track {
  background: transparent;
  margin: 12px 0;
}

:is(#pmid-sidebar, #abstract-sidebar)::-webkit-scrollbar-thumb {
  background-color: rgba(100, 116, 139, .45);
  border-radius: 9999px;
  border: 1px solid transparent;
}

:is(#pmid-sidebar, #abstract-sidebar):hover::-webkit-scrollbar-thumb {
  background-color: rgba(100, 116, 139, .65);
}

.dark :is(#pmid-sidebar, #abstract-sidebar)::-webkit-scrollbar-thumb {
  background-color: rgba(148, 163, 184, .45);
}

.dark :is(#pmid-sidebar, #abstract-sidebar):hover::-webkit-scrollbar-thumb {
  background-color: rgba(191, 202, 220, .75);
}

#abstract-search-shell {
  top: 0;
  z-index: 60;
  position: sticky;
  padding: 10px 0 14px;
  margin-bottom: 8px;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
  overflow: visible;
}

#abstract-search-shell::after {
  content: none;
  position: absolute;
  left: -14px;
  right: -14px;
  bottom: -10px;
  height: 16px;
  background: transparent;
  pointer-events: none;
}

#abstract-back-to-results,
#abstract-new-search {
  display: none;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 10px;
  left: 0;
  right: 0;
  z-index: 65;
  padding: 8px 10px;
  min-height: 48px;
  box-sizing: border-box;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, .12);
  background: var(--toolbar-bg);
  backdrop-filter: saturate(130%) blur(14px);
  -webkit-backdrop-filter: saturate(130%) blur(14px);
  color: var(--text-strong);
  font-size: 14px;
  font-weight: 700;
  gap: 10px;
  letter-spacing: .02em;
  text-align: center;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background-color .15s ease;
}

#abstract-back-to-results:hover,
#abstract-back-to-results:focus-visible,
#abstract-new-search:hover,
#abstract-new-search:focus-visible {
  transform: translateY(-1px);
  background: rgba(59, 130, 246, .08);
  border-color: rgba(59, 130, 246, .35);
  box-shadow: 0 10px 22px rgba(15, 23, 42, .12);
  outline: none;
}

.dark #abstract-back-to-results,
.dark #abstract-new-search {
  background: var(--toolbar-bg);
  border-color: rgba(148, 163, 184, .24);
  color: #e5e7eb;
}

.dark #abstract-back-to-results:hover,
.dark #abstract-back-to-results:focus-visible,
.dark #abstract-new-search:hover,
.dark #abstract-new-search:focus-visible {
  background: rgba(59, 130, 246, .2);
  border-color: rgba(59, 130, 246, .45);
  box-shadow: 0 12px 26px rgba(0, 0, 0, .35);
}

.abstract-search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  width: 100%;
  box-sizing: border-box;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, .16);
  background: #f0f3fb;
  backdrop-filter: saturate(130%) blur(14px);
  -webkit-backdrop-filter: saturate(130%) blur(14px);
  box-shadow: none;
  position: relative;
  z-index: 50;
  transition: opacity .2s ease, filter .2s ease;
}

.dark .abstract-search-bar {
  border-color: rgba(148, 163, 184, .24);
  background: var(--toolbar-bg);
  backdrop-filter: saturate(130%) blur(14px);
  -webkit-backdrop-filter: saturate(130%) blur(14px);
  box-shadow: none;
}

.abstract-search-bar.is-faded {
  opacity: 0;
  filter: none;
  visibility: hidden;
  pointer-events: none;
}

#abstract-search-input {
  flex: 1 1 auto;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--text-strong);
}

.dark #abstract-search-input {
  color: #e5e7eb;
}

#abstract-search-input::placeholder {
  color: #6b7280;
}

.dark #abstract-search-input::placeholder {
  color: #cbd5e1;
}

#abstract-search-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  border: none;
  background: #1d4ed8;
  color: #e0e7ff;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease;
}

#abstract-search-button:hover,
#abstract-search-button:focus-visible {
  background: #1e3a8a;
  outline: none;
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(30, 58, 138, .35);
}

.dark #abstract-search-button {
  background: #2563eb;
}

.dark #abstract-search-button:hover,
.dark #abstract-search-button:focus-visible {
  background: #1d4ed8;
}

#abstract-search-button svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.abstract-search-results {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 2px;
}

.abstract-search-loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #475569;
  padding: 6px 4px 10px;
}

.dark .abstract-search-loading {
  color: #cbd5e1;
}

.pmid-sidebar-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  text-align: center;
}

.pmid-sidebar-title {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  gap: .45rem;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-strong);
}

.pmid-sidebar-title-label {
  letter-spacing: .26em;
}

.dark .pmid-sidebar-title {
  color: #f8fafc;
}

.pmid-sidebar-count {
  font-size: .68rem;
  color: #64748b;
  letter-spacing: .12em;
  margin-left: .1rem;
}

.dark .pmid-sidebar-count {
  color: #94a3b8;
}

#abstract-sidebar-close {
  border: none;
  background: transparent;
  color: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease;
}

#abstract-sidebar-close:hover,
#abstract-sidebar-close:focus-visible {
  background: rgba(59, 130, 246, .12);
  color: #1d4ed8;
  outline: none;
}

.dark #abstract-sidebar-close:hover,
.dark #abstract-sidebar-close:focus-visible {
  background: rgba(148, 163, 184, .15);
  color: #cbd5e1;
}

#pmid-card-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#abstract-sidebar-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1 1 auto;
  min-height: 0;
  padding: 8px 0 12px;
}

.abstract-sidebar-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1 1 auto;
  height: 100%;
  min-height: 100%;
  width: 100%;
  align-self: stretch;
  padding: 16px 14px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.dark .abstract-sidebar-card {
  border-color: var(--border-soft);
  background: var(--surface-subtle);
  box-shadow: var(--shadow-soft);
}

.abstract-empty-state {
  font-size: .75rem;
  color: #64748b;
  text-align: center;
  line-height: 1.4;
  margin-top: 10px;
}

.dark .abstract-empty-state {
  color: #a1accf;
}

.pmid-empty-state {
  font-size: .75rem;
  color: #64748b;
  text-align: center;
  line-height: 1.4;
  margin-top: 24px;
}

.dark .pmid-empty-state {
  color: #a1accf;
}

/* from styles/components/cards.css */
.pmid-card-cited-badge {
  position: absolute;
  top: 10px;
  right: 12px;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: rgba(220, 38, 38, .12);
  color: #b91c1c;
  border: 1px solid rgba(220, 38, 38, .28);
  z-index: 3;
}

.dark .pmid-card-cited-badge {
  background: rgba(248, 113, 113, .2);
  color: #fca5a5;
  border-color: rgba(248, 113, 113, .45);
}

.pmid-card {
  position: relative;
  display: block;
  padding: 12px 10px;
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  background: var(--surface);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  cursor: pointer;
  text-align: left;
  appearance: none;
  -webkit-appearance: none;
  font-size: 14px;
  overflow: visible;
  margin-left: var(--pmid-card-gap);
  margin-right: var(--pmid-card-gap);
}

.pmid-card-index {
  position: absolute;
  left: calc(-11px - var(--pmid-card-gap));
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--pmid-card-gap);
  font-size: 14px;
  font-weight: 800;
  color: #64748b;
  pointer-events: none;
  line-height: 1;
  white-space: nowrap;
  text-align: center;
}

.dark .pmid-card-index {
  color: #94a3b8;
}

.pmid-card:hover,
.pmid-card.is-hovered,
.pmid-card:focus-visible {
  border-color: rgba(220, 38, 38, .65);
  background: var(--danger-soft);
  outline: none;
}

.dark .pmid-card {
  border-color: var(--border-soft);
  background: var(--surface-subtle);
}

.dark .pmid-card:hover,
.dark .pmid-card.is-hovered,
.dark .pmid-card:focus-visible {
  border-color: rgba(248, 113, 113, .65);
  background: rgba(127, 29, 29, .5);
}

.pmid-card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  z-index: 2;
}

.pmid-card-layers {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: -1;
}

.pmid-card-layer {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid var(--border-soft);
  background: var(--surface);
  transform: translate(0, 0);
  opacity: 1;
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, border-color .2s ease;
}

.pmid-card-layer.layer-1 {
  transform: translateY(4px);
  background: var(--surface);
  border-color: var(--border-strong);
  opacity: .92;
  z-index: 30;
}

.pmid-card-layer.layer-2 {
  transform: translateY(8px);
  background: var(--surface-subtle);
  border-color: var(--border-soft);
  opacity: .75;
  z-index: 20;
}

.pmid-card-layer.layer-3 {
  transform: translateY(12px);
  background: var(--surface-muted);
  border-color: var(--border-soft);
  opacity: .58;
  z-index: 10;
}

.pmid-card-mention-map {
  position: relative;
  margin-top: 6px;
  height: 12px;
  border-radius: 9999px;
  background: linear-gradient(90deg, rgba(15, 23, 42, .08), rgba(15, 23, 42, .04));
  overflow: hidden;
}

.dark .pmid-card-mention-map {
  background: linear-gradient(90deg, rgba(148, 163, 184, .25), rgba(148, 163, 184, .16));
}

.pmid-card-mention-map-empty {
  opacity: .4;
}

.pmid-card-mention-dot {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -50%);
  border-radius: 9999px;
  border: 2px solid #f8fafc;
  background: #dc2626;
  box-shadow: 0 2px 6px rgba(220, 38, 38, .25);
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease;
}

.pmid-card-mention-dot:focus-visible,
.pmid-card-mention-dot:hover {
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 4px 10px rgba(220, 38, 38, .35);
  outline: none;
}

.dark .pmid-card-mention-dot {
  border-color: #0b1222;
  background: #fca5a5;
  box-shadow: 0 2px 6px rgba(248, 113, 113, .25);
}

.dark .pmid-card-mention-dot:focus-visible,
.dark .pmid-card-mention-dot:hover {
  box-shadow: 0 4px 10px rgba(248, 113, 113, .35);
}

.pmid-card:hover .pmid-card-layer,
.pmid-card.is-hovered .pmid-card-layer,
.pmid-card:focus-visible .pmid-card-layer {
  border-color: rgba(220, 38, 38, .28);
}

.pmid-card:hover .pmid-card-layer.layer-1,
.pmid-card.is-hovered .pmid-card-layer.layer-1,
.pmid-card:focus-visible .pmid-card-layer.layer-1 {
  background: rgba(254, 226, 226, .95);
}

.pmid-card-count {
  position: absolute;
  top: 10px;
  right: 12px;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2px 7px;
  border-radius: 9999px;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .08em;
  background: rgba(59, 130, 246, .12);
  color: #1d4ed8;
  text-transform: uppercase;
}

.pmid-card-count.is-visible {
  display: inline-flex;
}

.dark .pmid-card-layers {
  z-index: -1;
}

.dark .pmid-card-layer {
  border: 1px solid var(--border-soft);
  background: var(--surface-subtle);
  box-shadow: var(--shadow-soft);
}

.dark .pmid-card-layer.layer-1 {
  background: var(--surface-subtle);
  border-color: var(--border-strong);
  opacity: .92;
  z-index: 30;
}

.dark .pmid-card-layer.layer-2 {
  background: var(--surface-muted);
  border-color: var(--border-soft);
  opacity: .72;
  z-index: 20;
}

.dark .pmid-card-layer.layer-3 {
  background: var(--surface);
  border-color: var(--border-soft);
  opacity: .55;
  z-index: 10;
}

.dark .pmid-card:hover .pmid-card-layer,
.dark .pmid-card.is-hovered .pmid-card-layer,
.dark .pmid-card:focus-visible .pmid-card-layer {
  border-color: rgba(248, 113, 113, .3);
}

.dark .pmid-card:hover .pmid-card-layer.layer-1,
.dark .pmid-card.is-hovered .pmid-card-layer.layer-1,
.dark .pmid-card:focus-visible .pmid-card-layer.layer-1 {
  background: rgba(127, 29, 29, .5);
}

.dark .pmid-card-count {
  background: rgba(96, 165, 250, .24);
  color: #bfdbfe;
}

.pmid-card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .58rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--text-strong);
  opacity: .7;
  flex-wrap: wrap;
}

.pmid-card-pmid-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

.pmid-card:hover .pmid-card-pmid-link,
.pmid-card.is-hovered .pmid-card-pmid-link,
.pmid-card:focus-visible .pmid-card-pmid-link {
  color: #dc2626;
}

.dark .pmid-card-pmid-link {
  color: #93c5fd;
}

.pmid-card-title {
  font-size: .74rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-strong);
}

.pmid-card-author {
  font-size: .58rem;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--text-muted);
}

.pmid-card-journal {
  font-size: .62rem;
  color: var(--text-muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.pmid-card-loading {
  font-size: .62rem;
  color: var(--text-soft);
}

.pmid-card-error {
  font-size: .62rem;
  color: var(--danger);
}

.dark .pmid-card-meta {
  color: var(--text-muted);
}

.dark .pmid-card-error {
  color: #fca5a5;
}

.pmid-card-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.pmid-card-journal {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pmid-card-type {
  flex: 0 0 auto;
  font-size: .62rem;
  color: var(--text-strong);
  opacity: .8;
  white-space: nowrap;
}

.dark .pmid-card-type {
  color: var(--text-strong);
}

.abstract-sidebar-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.abstract-sidebar-meta-left {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.abstract-sidebar-pmid {
  color: var(--danger);
  background: var(--danger-soft);
  border: 1px solid rgba(248, 113, 113, .4);
  text-decoration: none;
  white-space: nowrap;
  font-family: 'Fira Mono', monospace;
  letter-spacing: .08em;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 8px;
}

.abstract-sidebar-pmid:hover,
.abstract-sidebar-pmid:focus-visible {
  color: #b91c1c;
  background: rgba(254, 202, 202, .95);
  outline: none;
}

.dark .abstract-sidebar-pmid {
  color: #f87171;
  background: rgba(127, 29, 29, .45);
  border-color: rgba(248, 113, 113, .55);
}

.dark .abstract-sidebar-pmid:hover,
.dark .abstract-sidebar-pmid:focus-visible {
  color: #fca5a5;
  background: rgba(127, 29, 29, .65);
}

.abstract-sidebar-year {
  color: var(--text-muted);
}

.abstract-sidebar-cite-btn {
  border: 1px solid var(--border-strong);
  background: var(--surface-subtle);
  color: var(--text-strong);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease;
}

.abstract-sidebar-cite-btn:hover,
.abstract-sidebar-cite-btn:focus-visible {
  background: rgba(59, 130, 246, .12);
  border-color: rgba(59, 130, 246, .35);
  box-shadow: none;
  outline: none;
  transform: translateY(-1px);
}

.abstract-sidebar-cite-btn.is-cited {
  background: rgba(248, 113, 113, .14);
  border-color: rgba(220, 38, 38, .35);
  color: #b91c1c;
}

.dark .abstract-sidebar-cite-btn.is-cited {
  background: rgba(248, 113, 113, .22);
  border-color: rgba(248, 113, 113, .5);
  color: #fca5a5;
  box-shadow: none;
}

.dark .abstract-sidebar-cite-btn {
  border-color: rgba(148, 163, 184, .24);
  background: rgba(148, 163, 184, .12);
  color: #e5e7eb;
}

.dark .abstract-sidebar-cite-btn:hover,
.dark .abstract-sidebar-cite-btn:focus-visible {
  background: rgba(59, 130, 246, .2);
  border-color: rgba(59, 130, 246, .5);
  box-shadow: none;
}

.abstract-sidebar-bottom {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: .85;
}

.abstract-sidebar-journal {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1 1 auto;
}

.abstract-sidebar-type {
  flex: 0 0 auto;
  white-space: nowrap;
  font-weight: 700;
}

.abstract-sidebar-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--text-muted);
}

.abstract-sidebar-meta a {
  color: inherit;
  text-decoration: none;
  font-family: 'Fira Mono', monospace;
  letter-spacing: .12em;
}

.abstract-sidebar-title-text {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-strong);
  text-align: center;
}

.abstract-sidebar-author {
  font-size: .62rem;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--text-muted);
  text-align: center;
}

.dark .abstract-sidebar-title-text {
  color: var(--text-strong);
}

.abstract-sidebar-abstract {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-strong);
  background: var(--surface-subtle);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  width: 100%;
  text-align: justify;
  text-justify: inter-word;
  flex: 1 1 auto;
  min-height: 140px;
  overflow-y: auto;
  hyphens: auto;
  word-break: break-word;
}

/* from styles/layout.css */
/* Workspace layout shell: wraps the sidebar + editor track */
#workspace-shell {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  gap: 0;
  padding-left: var(--page-margin);
  padding-right: var(--page-margin);
  transition: padding .32s ease;
}

@media (min-width: 768px) {
  #workspace-shell {
    align-items: flex-start;
  }
}

#workspace-shell>.flex-1 {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  transition: margin .32s ease, max-width .32s ease, width .32s ease, flex-basis .32s ease;
}

@media (min-width: 768px) {

  /* Apply spacing only where needed, with a single gap when both sidebars are open */
  body:not(.pmid-sidebar-collapsed):not(.abstract-sidebar-open) #pmid-sidebar {
    margin-right: var(--workspace-gap);
  }

  body.abstract-sidebar-open.pmid-sidebar-collapsed #abstract-sidebar {
    margin-left: var(--workspace-gap);
  }

  body.abstract-sidebar-open:not(.pmid-sidebar-collapsed) #workspace-shell {
    gap: var(--workspace-gap);
  }
}

body.pmid-sidebar-collapsed #pmid-sidebar {
  opacity: 0;
  transform: translateX(-28px);
  width: 0;
  max-width: 0;
  flex-basis: 0;
  margin: 0;
  padding-left: 0;
  padding-right: 0;
  border-width: 0;
  pointer-events: none;
  overflow: hidden;
}

body.pmid-sidebar-collapsed #editor-card {
  margin-left: auto;
  margin-right: auto;
}

body:not(.pmid-sidebar-ready) #pmid-sidebar,
body:not(.pmid-sidebar-ready) #workspace-shell>.flex-1 {
  transition: none !important;
}

@media (max-width: 767px) {

  /* Mobile slide-over citations */
  body.pmid-sidebar-mobile-open {
    overflow: auto;
  }

  #pmid-sidebar,
  #abstract-sidebar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    width: 75vw;
    max-width: 75vw;
    flex-basis: 75vw;
    height: 45vh;
    max-height: calc(100vh - (var(--topbar-height, 0px) + 56px));
    margin: 0 auto;
    --sidebar-radius: 16px 16px 0 0;
    border-radius: var(--sidebar-radius);
    transform: translateY(110%);
    opacity: 0;
    pointer-events: none;
    display: block;
    z-index: 80;
    /* above statusbar and other UI */
    transition: transform .32s ease, opacity .22s ease;
  }

  body.pmid-sidebar-mobile-open #pmid-sidebar,
  body.abstract-sidebar-open #abstract-sidebar {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    width: 75vw;
    max-width: 75vw;
    flex-basis: 75vw;
  }

  #toggle-sidebar {
    display: inline-flex;
  }

  #editor-card {
    margin-left: auto;
    margin-right: auto;
  }

  #workspace-shell>.flex-1 {
    flex: 1 1 auto;
    width: 100%;
    max-width: 100%;
    margin: 0 !important;
  }
}