/*
 * Muqaran Reader Premium v7.2
 * Compact scholarly header + responsive three-level table of contents.
 * Scoped to the existing article reader so archive pages remain untouched.
 */

body.reader-page-v4 {
  --reader-v7-ink: #332621;
  --reader-v7-muted: #7c6d63;
  --reader-v7-wine: #72111d;
  --reader-v7-wine-deep: #55101a;
  --reader-v7-green: #0d5a58;
  --reader-v7-line: #e4d4bc;
  --reader-v7-line-soft: rgba(141, 105, 62, 0.16);
  --reader-v7-surface: #fbf7ef;
  --reader-v7-paper: #fffdf9;
  --reader-v7-shadow: 0 20px 55px rgba(77, 49, 27, 0.08);
  --reader-v7-font-size: 1rem;
  background: #f6f0e7;
}

body.reader-page-v4.reader-night {
  --reader-v7-ink: #e8ded1;
  --reader-v7-muted: #bbaea1;
  --reader-v7-wine: #d99aa2;
  --reader-v7-wine-deep: #f0b7bd;
  --reader-v7-green: #8ec5bc;
  --reader-v7-line: #57483e;
  --reader-v7-line-soft: rgba(228, 208, 181, 0.12);
  --reader-v7-surface: #29231f;
  --reader-v7-paper: #211d1a;
  --reader-v7-shadow: 0 20px 55px rgba(0, 0, 0, 0.23);
  background: #191715;
}

body.reader-page-v4 #main {
  overflow: visible;
}

body.reader-page-v4 .reading-progress-v4 {
  height: 3px;
  background: transparent;
  z-index: 80;
}

body.reader-page-v4 .reading-progress-v4 > span {
  background: linear-gradient(90deg, var(--reader-v7-wine), #a86d29);
  box-shadow: 0 0 10px rgba(114, 17, 29, 0.24);
}

/* Compact article masthead */
body.reader-page-v4 .reader-head-v4 {
  position: relative;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--reader-v7-line);
  background:
    radial-gradient(circle at 12% 10%, rgba(13, 90, 88, 0.07), transparent 25rem),
    linear-gradient(135deg, #fbf7ef 0%, #f6eee1 100%);
}

body.reader-page-v4.reader-night .reader-head-v4 {
  background:
    radial-gradient(circle at 12% 10%, rgba(142, 197, 188, 0.06), transparent 25rem),
    linear-gradient(135deg, #2b2521 0%, #211d1a 100%);
}

body.reader-page-v4 .reader-head-v4::after {
  content: "";
  position: absolute;
  inset-inline-start: clamp(20px, 8vw, 120px);
  bottom: 0;
  width: 84px;
  height: 3px;
  border-radius: 999px 999px 0 0;
  background: var(--reader-v7-wine);
}

body.reader-page-v4 .reader-head-inner-v4 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0 22px;
  width: min(1160px, calc(100% - 40px));
  min-height: 0;
  padding-block: 24px 26px;
  text-align: right;
}

body.reader-page-v4 .reader-breadcrumb-v4,
body.reader-page-v4 .reader-head-meta-v4,
body.reader-page-v4 .reader-head-inner-v4 > h1 {
  grid-column: 1 / -1;
}

body.reader-page-v4 .reader-breadcrumb-v4 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 13px;
  color: var(--reader-v7-muted);
  font-size: 0.73rem;
}

body.reader-page-v4 .reader-breadcrumb-v4 a {
  color: var(--reader-v7-green);
  text-decoration: none;
}

body.reader-page-v4 .reader-breadcrumb-v4 span {
  color: #b9a48a;
}

body.reader-page-v4 .reader-head-meta-v4 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

body.reader-page-v4 .reader-head-meta-v4 > span,
body.reader-page-v4 .reader-head-meta-v4 > a {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 10px;
  border: 1px solid rgba(13, 90, 88, 0.1);
  border-radius: 999px;
  background: rgba(13, 90, 88, 0.055);
  color: var(--reader-v7-green);
  font-size: 0.68rem;
  line-height: 1;
  text-decoration: none;
}

body.reader-page-v4 .reader-head-meta-v4 > span:first-child {
  border-color: rgba(168, 109, 41, 0.14);
  background: rgba(168, 109, 41, 0.09);
  color: #83541d;
}

body.reader-page-v4.reader-night .reader-head-meta-v4 > span:first-child {
  color: #d8b47e;
}

body.reader-page-v4 .reader-head-inner-v4 > h1 {
  max-width: 1040px;
  margin: 14px 0 12px;
  color: var(--reader-v7-wine-deep);
  font-size: clamp(2rem, 3.2vw, 3.15rem);
  font-weight: 780;
  line-height: 1.34;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

body.reader-page-v4 .reader-byline-v4 {
  display: flex;
  align-items: center;
  min-width: 0;
  margin: 0;
  font-size: 0.95rem;
}

body.reader-page-v4 .reader-byline-v4::before {
  content: "بقلم";
  margin-inline-end: 8px;
  color: var(--reader-v7-muted);
  font-size: 0.7rem;
}

body.reader-page-v4 .reader-byline-v4 a {
  color: var(--reader-v7-green);
  font-weight: 700;
  text-decoration: none;
}

body.reader-page-v4 .reader-biblio-v4 {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin: 0;
}

body.reader-page-v4 .reader-biblio-v4 span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 11px;
  border: 1px solid var(--reader-v7-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.45);
  color: var(--reader-v7-wine);
  font-size: 0.72rem;
  font-weight: 700;
}

body.reader-page-v4.reader-night .reader-biblio-v4 span {
  background: rgba(255, 255, 255, 0.035);
}

/* A slim toolbar that remains available during reading */
body.reader-page-v4 .reader-toolbar-wrap-v4 {
  position: sticky;
  top: 0;
  z-index: 55;
  border-bottom: 1px solid var(--reader-v7-line);
  background: rgba(255, 253, 249, 0.91);
  box-shadow: 0 8px 24px rgba(75, 49, 27, 0.045);
  -webkit-backdrop-filter: blur(14px) saturate(125%);
  backdrop-filter: blur(14px) saturate(125%);
}

body.reader-page-v4.reader-night .reader-toolbar-wrap-v4 {
  background: rgba(33, 29, 26, 0.91);
}

body.reader-page-v4 .reader-toolbar-v4 {
  min-height: 50px;
  padding-block: 6px;
}

body.reader-page-v4 .reader-back-v4,
body.reader-page-v4 .reader-actions-v4 button,
body.reader-page-v4 .reader-tools-v4 button {
  min-height: 34px;
}

body.reader-page-v4 .reader-tools-v4 {
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--reader-v7-line);
  border-radius: 12px;
  background: var(--reader-v7-surface);
}

body.reader-page-v4 .reader-tools-v4 button {
  border: 0;
  border-radius: 8px;
  background: transparent;
}

body.reader-page-v4 .reader-tools-v4 button:hover,
body.reader-page-v4 .reader-tools-v4 button:focus-visible {
  background: rgba(114, 17, 29, 0.08);
  color: var(--reader-v7-wine);
}

body.reader-page-v4 .reader-size-label-v4 {
  padding-inline: 5px;
  color: var(--reader-v7-muted);
  font-size: 0.67rem;
}

/* Workspace: readable measure on the left, navigation on the right */
body.reader-page-v4 .reader-workspace-v4 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
  width: min(1240px, calc(100% - 40px));
  margin-block: 0;
  padding: 22px 0 58px;
  direction: ltr;
}

body.reader-page-v4 .reader-sidebar-v4 {
  grid-column: 2;
  grid-row: 1;
  position: sticky;
  top: 68px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  max-height: calc(100vh - 84px);
  direction: rtl;
}

body.reader-page-v4 .reading-paper-v4 {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  width: 100%;
  max-width: 830px;
  justify-self: end;
  padding: clamp(34px, 5vw, 62px) clamp(30px, 6vw, 72px) 80px;
  border: 1px solid var(--reader-v7-line);
  border-radius: 3px;
  background: var(--reader-v7-paper);
  box-shadow: var(--reader-v7-shadow);
  color: var(--reader-v7-ink);
  direction: rtl;
}

body.reader-page-v4 .paper-running-head-v4 {
  margin-bottom: 42px;
  padding-bottom: 12px;
  border-bottom-color: var(--reader-v7-line);
  color: var(--reader-v7-muted);
}

body.reader-page-v4 .paper-title-v4 {
  margin-bottom: 52px;
}

body.reader-page-v4 .paper-title-v4 h2 {
  max-width: 680px;
  margin-inline: auto;
  color: var(--reader-v7-ink);
  font-size: clamp(1.75rem, 3vw, 2.55rem);
  line-height: 1.55;
  text-wrap: balance;
}

body.reader-page-v4 .reader-section-v4 {
  scroll-margin-top: 78px;
}

body.reader-page-v4 .reader-section-label-v4 {
  margin-top: 55px;
  margin-bottom: 24px;
}

body.reader-page-v4 .reader-section-label-v4 span {
  color: var(--reader-v7-wine);
}

body.reader-page-v4 .reader-section-label-v4 strong {
  color: var(--reader-v7-ink);
}

body.reader-page-v4 .reader-prose-v4 {
  color: var(--reader-v7-ink);
  font-size: var(--reader-v7-font-size);
  line-height: 2.15;
}

body.reader-page-v4 .reader-prose-v4 p {
  margin-block: 0 1.15em;
}

body.reader-page-v4 .reader-prose-v4 h2,
body.reader-page-v4 .reader-prose-v4 h3 {
  color: var(--reader-v7-ink);
  scroll-margin-top: 82px;
  text-wrap: pretty;
}

body.reader-page-v4 .reader-prose-v4 h2 {
  margin: 2.2em 0 0.85em;
  padding-bottom: 0.5em;
  border-bottom: 1px solid var(--reader-v7-line);
  font-size: 1.55em;
  line-height: 1.65;
}

body.reader-page-v4 .reader-prose-v4 h3 {
  position: relative;
  margin: 1.8em 0 0.7em;
  padding-inline-start: 16px;
  font-size: 1.18em;
  line-height: 1.75;
}

body.reader-page-v4 .reader-prose-v4 h3::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.55em;
  width: 5px;
  height: 1em;
  border-radius: 999px;
  background: var(--reader-v7-wine);
}

body.reader-page-v4 .reader-prose-v4 h2:target,
body.reader-page-v4 .reader-prose-v4 h3:target,
body.reader-page-v4 .reader-section-v4:target {
  animation: reader-v7-target 1.3s ease-out;
}

@keyframes reader-v7-target {
  from { background-color: rgba(179, 132, 54, 0.17); }
  to { background-color: transparent; }
}

/* Dynamic, collapsible table of contents */
body.reader-page-v4 .reader-toc-v4 {
  order: -20;
  display: flex;
  flex-direction: column;
  flex: 0 1 auto;
  min-height: 0;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--reader-v7-line);
  border-radius: 16px;
  background: rgba(255, 253, 249, 0.94);
  box-shadow: 0 12px 36px rgba(70, 45, 25, 0.055);
}

body.reader-page-v4.reader-night .reader-toc-v4 {
  background: rgba(33, 29, 26, 0.96);
}

body.reader-page-v4 .reader-toc-head-v7 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 58px;
  padding: 11px 16px 11px 11px;
  border-bottom: 1px solid var(--reader-v7-line-soft);
}

body.reader-page-v4 .reader-toc-title-v7 {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--reader-v7-wine-deep);
  font-size: 0.98rem;
  font-weight: 800;
}

body.reader-page-v4 .reader-toc-title-v7::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 2px solid var(--reader-v7-wine);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(114, 17, 29, 0.07);
}

body.reader-page-v4 .reader-toc-count-v7 {
  color: var(--reader-v7-muted);
  font-size: 0.69rem;
  font-weight: 500;
}

body.reader-page-v4 .reader-toc-toggle-v7,
body.reader-page-v4 .reader-toc-branch-toggle-v7 {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: var(--reader-v7-muted);
  cursor: pointer;
}

body.reader-page-v4 .reader-toc-toggle-v7 {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

body.reader-page-v4 .reader-toc-toggle-v7:hover,
body.reader-page-v4 .reader-toc-toggle-v7:focus-visible,
body.reader-page-v4 .reader-toc-branch-toggle-v7:hover,
body.reader-page-v4 .reader-toc-branch-toggle-v7:focus-visible {
  outline: none;
  background: rgba(114, 17, 29, 0.075);
  color: var(--reader-v7-wine);
}

body.reader-page-v4 .reader-toc-toggle-v7 svg,
body.reader-page-v4 .reader-toc-branch-toggle-v7 svg {
  width: 15px;
  height: 15px;
  transition: transform 180ms ease;
}

body.reader-page-v4 .reader-toc-scroll-v7 {
  min-height: 0;
  max-height: calc(100vh - 160px);
  overflow: auto;
  overscroll-behavior: contain;
  transform-origin: top center;
  will-change: height, opacity, transform;
  scrollbar-width: thin;
  scrollbar-color: rgba(114, 17, 29, 0.38) transparent;
}

body.reader-page-v4 .reader-toc-scroll-v7::-webkit-scrollbar {
  width: 5px;
}

body.reader-page-v4 .reader-toc-scroll-v7::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(114, 17, 29, 0.38);
}

body.reader-page-v4 .reader-toc-list-v7,
body.reader-page-v4 .reader-toc-children-v7 {
  margin: 0;
  padding: 0;
  list-style: none;
}

body.reader-page-v4 .reader-toc-children-v7 {
  transform-origin: top center;
  will-change: height, opacity, transform;
}

body.reader-page-v4 .reader-toc-list-v7 {
  padding: 9px;
}

body.reader-page-v4 .reader-toc-item-v7 {
  margin: 3px 0;
}

body.reader-page-v4 .reader-toc-row-v7 {
  display: flex;
  align-items: flex-start;
  gap: 4px;
  border-radius: 10px;
}

body.reader-page-v4 .reader-toc-link-v7 {
  position: relative;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  flex: 1 1 auto;
  gap: 9px;
  min-width: 0;
  padding: 10px 11px;
  border-radius: 10px;
  color: var(--reader-v7-muted);
  font-size: 0.84rem;
  line-height: 1.7;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

body.reader-page-v4 .reader-toc-link-v7:hover,
body.reader-page-v4 .reader-toc-link-v7:focus-visible {
  outline: none;
  background: rgba(13, 90, 88, 0.055);
  color: var(--reader-v7-green);
}

body.reader-page-v4 .reader-toc-index-v7 {
  color: #aa8b65;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.66rem;
  text-align: center;
  direction: ltr;
}

body.reader-page-v4 .reader-toc-text-v7 {
  display: -webkit-box;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

body.reader-page-v4 .reader-toc-level-1-v7 > .reader-toc-row-v7 > .reader-toc-link-v7 {
  color: var(--reader-v7-ink);
  font-size: 0.91rem;
  font-weight: 800;
  background: rgba(114, 17, 29, 0.035);
}

body.reader-page-v4 .reader-toc-level-2-v7 > .reader-toc-row-v7 > .reader-toc-link-v7 {
  font-size: 0.84rem;
  font-weight: 700;
}

body.reader-page-v4 .reader-toc-level-3-v7 > .reader-toc-row-v7 > .reader-toc-link-v7 {
  font-size: 0.78rem;
  font-weight: 540;
}

body.reader-page-v4 .reader-toc-level-1-v7 > .reader-toc-children-v7,
body.reader-page-v4 .reader-toc-level-2-v7 > .reader-toc-children-v7 {
  margin-inline-start: 14px;
  padding-inline-start: 8px;
  border-inline-start: 1px solid var(--reader-v7-line-soft);
}

body.reader-page-v4 .reader-toc-link-v7.is-active {
  background: linear-gradient(90deg, rgba(114, 17, 29, 0.085), rgba(114, 17, 29, 0.025));
  color: var(--reader-v7-wine-deep);
  font-weight: 800;
}

body.reader-page-v4 .reader-toc-link-v7.is-active::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 9px;
  bottom: 9px;
  width: 3px;
  border-radius: 999px;
  background: var(--reader-v7-wine);
}

body.reader-page-v4 .reader-toc-branch-toggle-v7 {
  width: 31px;
  height: 38px;
  margin-top: 4px;
  border-radius: 8px;
}

body.reader-page-v4 .reader-toc-item-v7.is-branch-collapsed > .reader-toc-row-v7 .reader-toc-branch-toggle-v7 svg {
  transform: rotate(90deg);
}

body.reader-page-v4 .reader-toc-v4.is-toc-collapsed .reader-toc-scroll-v7 {
  pointer-events: none;
}

body.reader-page-v4 .reader-toc-v4.is-toc-collapsed .reader-toc-head-v7 {
  border-bottom: 0;
}

body.reader-page-v4 .reader-toc-v4.is-toc-collapsed .reader-toc-toggle-v7 svg {
  transform: rotate(180deg);
}

/* Secondary article information is available without competing with the TOC. */
body.reader-page-v4 .reader-meta-details-v7 {
  order: -10;
  flex: 0 0 auto;
  max-height: calc(100vh - 84px);
  overflow: hidden;
  border: 1px solid var(--reader-v7-line);
  border-radius: 18px;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.9), rgba(250, 244, 234, 0.88));
  box-shadow: 0 16px 42px rgba(77, 49, 27, 0.075);
}

body.reader-page-v4.reader-night .reader-meta-details-v7 {
  background: linear-gradient(155deg, rgba(47, 40, 35, 0.98), rgba(32, 28, 25, 0.98));
}

body.reader-page-v4 .reader-meta-summary-v7 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  padding: 12px 17px;
  color: var(--reader-v7-wine-deep);
  font-size: 0.94rem;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

body.reader-page-v4 .reader-meta-summary-v7 > span {
  display: flex;
  align-items: center;
  gap: 10px;
}

body.reader-page-v4 .reader-meta-summary-v7 > span::before {
  content: "i";
  display: inline-grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border: 1px solid rgba(114, 17, 29, 0.24);
  border-radius: 50%;
  background: rgba(114, 17, 29, 0.055);
  color: var(--reader-v7-wine);
  font-family: Georgia, serif;
  font-size: 0.82rem;
  font-style: italic;
}

body.reader-page-v4 .reader-meta-summary-v7::-webkit-details-marker {
  display: none;
}

body.reader-page-v4 .reader-meta-summary-v7::after {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: rgba(114, 17, 29, 0.055);
  color: var(--reader-v7-wine);
  font-size: 1.15rem;
  font-weight: 400;
}

body.reader-page-v4 .reader-meta-details-v7[open] .reader-meta-summary-v7::after {
  content: "−";
}

body.reader-page-v4 .reader-meta-content-v7 {
  display: grid;
  gap: 15px;
  height: auto;
  max-height: calc(100vh - 230px);
  overflow: auto;
  padding: 16px;
  border-top: 1px solid var(--reader-v7-line-soft);
}

body.reader-page-v4 .reader-meta-content-v7 .reader-volume-card-v4,
body.reader-page-v4 .reader-meta-content-v7 .reader-info-card-v4 {
  height: auto !important;
  max-height: none !important;
  overflow: visible !important;
  margin: 0;
  border: 1px solid var(--reader-v7-line-soft);
  border-radius: 14px;
  box-shadow: none;
  background: rgba(255, 253, 249, 0.68);
}

body.reader-page-v4.reader-night .reader-meta-content-v7 .reader-volume-card-v4,
body.reader-page-v4.reader-night .reader-meta-content-v7 .reader-info-card-v4 {
  background: rgba(255, 255, 255, 0.025);
}

body.reader-page-v4 .reader-meta-content-v7 .reader-volume-card-v4 {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-height: 152px;
  padding: 13px;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-volume-card-v4 > a {
  display: block;
  width: 96px;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-volume-card-v4 img {
  display: block;
  width: 92px;
  height: 128px;
  object-fit: cover;
  border: 1px solid #d7c39d;
  border-radius: 2px;
  box-shadow: 0 8px 22px rgba(69, 46, 27, 0.14);
}

body.reader-page-v4 .reader-meta-content-v7 .reader-volume-card-v4 > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  min-width: 0;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-volume-card-v4 small {
  color: var(--reader-v7-muted);
  font-size: 0.72rem;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-volume-card-v4 strong,
body.reader-page-v4 .reader-meta-content-v7 .reader-volume-card-v4 strong a {
  color: var(--reader-v7-wine-deep);
  font-size: 1.05rem;
  line-height: 1.55;
  text-decoration: none;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-volume-card-v4 > div > span {
  color: var(--reader-v7-muted);
  font-size: 0.76rem;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-info-card-v4 {
  padding: 18px !important;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-info-card-v4 h4 {
  margin: 0 0 16px;
  padding: 0 0 11px;
  border-bottom: 1px solid var(--reader-v7-line-soft);
  color: var(--reader-v7-wine-deep);
  font-size: 1rem;
  font-weight: 800;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-info-card-v4 dl,
body.reader-page-v4 .reader-meta-content-v7 .reader-info-card-v4 dd {
  max-height: none;
  overflow: visible;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-info-card-v4 dl {
  display: grid;
  gap: 7px;
  margin: 0;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-info-card-v4 dt {
  margin-top: 6px;
  color: var(--reader-v7-muted);
  font-size: 0.7rem;
  font-weight: 600;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-info-card-v4 dd {
  margin: 0;
  color: var(--reader-v7-ink);
  font-size: 0.86rem;
  line-height: 1.75;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-keywords-v4 {
  height: auto !important;
  max-height: none !important;
  overflow: visible !important;
  flex-wrap: wrap;
  gap: 6px;
}

body.reader-page-v4 .reader-meta-content-v7 .reader-keywords-v4 span {
  padding: 5px 9px;
  border: 1px solid var(--reader-v7-line-soft);
  border-radius: 999px;
  background: rgba(114, 17, 29, 0.045);
  color: var(--reader-v7-muted);
  font-size: 0.7rem;
  line-height: 1.35;
}

body.reader-page-v4 .reader-source-v4,
body.reader-page-v4 .reader-warning-v4 a[href$=".docx" i] {
  display: none !important;
}

body.reader-page-v4 .reader-toc-empty-v7 {
  padding: 18px;
  color: var(--reader-v7-muted);
  font-size: 0.72rem;
  text-align: center;
}

@media (max-width: 1040px) {
  body.reader-page-v4 .reader-workspace-v4 {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 22px;
  }

  body.reader-page-v4 .reading-paper-v4 {
    padding-inline: clamp(28px, 5vw, 54px);
  }
}

@media (max-width: 860px) {
  body.reader-page-v4 .reader-head-inner-v4 {
    width: min(100% - 30px, 720px);
    padding-block: 20px 22px;
  }

  body.reader-page-v4 .reader-head-inner-v4 > h1 {
    font-size: clamp(1.7rem, 6vw, 2.45rem);
  }

  body.reader-page-v4 .reader-toolbar-v4 {
    flex-wrap: wrap;
    gap: 6px;
  }

  body.reader-page-v4 .reader-workspace-v4 {
    grid-template-columns: minmax(0, 1fr);
    width: min(100% - 28px, 760px);
    margin-top: 18px;
  }

  body.reader-page-v4 .reader-sidebar-v4,
  body.reader-page-v4 .reading-paper-v4 {
    grid-column: 1;
  }

  body.reader-page-v4 .reader-sidebar-v4 {
    grid-row: 1;
    position: relative;
    top: auto;
    max-height: none;
  }

  body.reader-page-v4 .reader-toc-scroll-v7 {
    max-height: min(48vh, 430px);
  }

  body.reader-page-v4 .reader-meta-details-v7 {
    display: block;
  }

  body.reader-page-v4 .reading-paper-v4 {
    grid-row: 2;
    max-width: none;
    justify-self: stretch;
  }
}

@media (max-width: 580px) {
  body.reader-page-v4 .reader-head-inner-v4 {
    grid-template-columns: 1fr;
    width: min(100% - 24px, 520px);
  }

  body.reader-page-v4 .reader-byline-v4,
  body.reader-page-v4 .reader-biblio-v4 {
    grid-column: 1;
  }

  body.reader-page-v4 .reader-biblio-v4 {
    justify-content: flex-start;
    margin-top: 8px;
  }

  body.reader-page-v4 .reader-head-inner-v4 > h1 {
    margin-top: 12px;
    font-size: clamp(1.55rem, 8vw, 2.05rem);
    line-height: 1.45;
  }

  body.reader-page-v4 .reader-toolbar-wrap-v4 {
    position: relative;
  }

  body.reader-page-v4 .reader-toolbar-v4 {
    justify-content: center;
  }

  body.reader-page-v4 .reader-back-v4 {
    width: 100%;
    justify-content: center;
  }

  body.reader-page-v4 .reader-size-label-v4 {
    display: none;
  }

  body.reader-page-v4 .reader-workspace-v4 {
    width: min(100% - 18px, 540px);
    margin-block: 10px 34px;
  }

  body.reader-page-v4 .reading-paper-v4 {
    padding: 28px 20px 54px;
    border-radius: 0;
  }

  body.reader-page-v4 .paper-running-head-v4 {
    margin-bottom: 28px;
  }

  body.reader-page-v4 .paper-title-v4 {
    margin-bottom: 38px;
  }

  body.reader-page-v4 .paper-title-v4 h2 {
    font-size: 1.65rem;
  }

  body.reader-page-v4 .reader-prose-v4 {
    line-height: 2.05;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.reader-page-v4 .reader-toc-link-v7,
  body.reader-page-v4 .reader-toc-toggle-v7 svg,
  body.reader-page-v4 .reader-toc-branch-toggle-v7 svg {
    transition: none;
  }

  body.reader-page-v4 .reader-prose-v4 h2:target,
  body.reader-page-v4 .reader-prose-v4 h3:target,
  body.reader-page-v4 .reader-section-v4:target {
    animation: none;
  }
}

@media print {
  body.reader-page-v4 .reader-toolbar-wrap-v4,
  body.reader-page-v4 .reader-sidebar-v4,
  body.reader-page-v4 .reader-head-v4,
  body.reader-page-v4 .reading-progress-v4 {
    display: none !important;
  }

  body.reader-page-v4 .reader-workspace-v4 {
    display: block;
    width: 100%;
    margin: 0;
  }

  body.reader-page-v4 .reading-paper-v4 {
    width: 100%;
    max-width: none;
    padding: 0;
    border: 0;
    box-shadow: none;
  }
}