:root {
  --doc-ink: #111111;
  --doc-muted: #333333;
  --doc-line: #d9d9d9;
  --doc-paper: #ffffff;
  --doc-soft: #f7f8f6;
  --doc-soft-2: #fbfaf6;
  --doc-accent: #0f5a46;
  --doc-accent-soft: #e8f2ee;
  --doc-warm: #b26a23;
  --sc-document-ui-font: Arial, Helvetica, sans-serif;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #ffffff;
  color: var(--doc-ink);
  font-family: Arial, "Times New Roman", serif;
}

body {
  min-height: 100vh;
}

body.sc-document-protected {
  -webkit-touch-callout: none;
}

body.sc-document-protected .sc-document-body,
body.sc-document-protected .sc-document-outline-links,
body.sc-document-protected .sc-document-margin-study-list {
  -webkit-user-select: text;
  user-select: text;
}

body.sc-document-protected img,
body.sc-document-protected svg {
  -webkit-user-drag: none;
  user-drag: none;
}

.sc-document-page {
  min-height: 100vh;
  padding: 0;
  background: #ffffff;
}

.sc-document-shell {
  display: grid;
  grid-template-areas: "outline paper study";
  grid-template-columns: clamp(13.5rem, 16vw, 18.5rem) minmax(0, 1fr) clamp(18rem, 29vw, 30rem);
  gap: clamp(1rem, 1.5vw, 1.5rem);
  align-items: start;
  width: 100%;
  max-width: none;
  min-height: 100vh;
  margin: 0;
  padding: clamp(1.15rem, 3.8vw, 0.72in) clamp(1rem, 1.9vw, 0.5in) 0.9in;
  box-sizing: border-box;
  background: var(--doc-paper);
}

.sc-document-paper {
  grid-area: paper;
  position: relative;
  width: 100%;
  min-width: 0;
  min-height: calc(100vh - 1.62in);
  padding: 0 0.34in;
  box-sizing: border-box;
  background: #ffffff;
}

.sc-document-outline {
  grid-area: outline;
  min-width: 0;
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow: auto;
  padding: 0.45rem 0.78rem 0.85rem 0;
  border-right: 1px solid var(--doc-line);
  color: #000000;
}

.sc-document-outline-title {
  margin: 0 0 0.65rem;
  color: #000000;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.sc-document-outline-search {
  display: grid;
  gap: 0.32rem;
  margin: 0 0 0.62rem;
}

.sc-document-outline-search span {
  color: #555555;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.sc-document-outline-search input {
  width: 100%;
  border: 1px solid var(--doc-line);
  border-radius: 0.35rem;
  background: #ffffff;
  color: #000000;
  font: 400 0.78rem/1.2 Georgia, "Times New Roman", serif;
  padding: 0.42rem 0.48rem;
  outline: none;
}

.sc-document-outline-search input:focus {
  border-color: #073d2f;
  box-shadow: 0 0 0 2px rgba(7, 61, 47, 0.08);
}

.sc-document-outline-empty {
  margin: 0.2rem 0 0.6rem;
  color: #666666;
  font-size: 0.72rem;
  line-height: 1.3;
}

.sc-document-outline-links {
  display: block;
}

.sc-document-outline-link {
  display: block;
  margin: 0.04rem 0;
  padding: 0.24rem 0.4rem;
  border-radius: 0.3rem;
  color: #111111;
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.28;
  text-decoration: none;
}

.sc-document-outline-link:hover {
  background: #f3f5f1;
  text-decoration: none;
}

.sc-document-outline-link.is-active {
  background: transparent;
  color: #000000;
  font-weight: 700;
  box-shadow: inset 2px 0 0 #111111;
}

.sc-document-outline-link.is-h3 {
  padding-left: 0.9rem;
  color: #333333;
  font-size: 0.72rem;
}

.sc-document-study-margin {
  grid-area: study;
  min-width: 0;
  position: sticky;
  top: 1rem;
  width: 100%;
  max-height: calc(100vh - 2rem);
  overflow: auto;
  padding: 0.18rem 0 0.75rem 1rem;
  border-left: 1px solid rgba(17, 17, 17, 0.14);
  color: #111111;
  font-family: var(--sc-document-body-font);
}

.sc-document-margin-header {
  display: grid;
  gap: 0.42rem;
  margin-bottom: 0.72rem;
  padding-bottom: 0.72rem;
  border-bottom: 1px solid rgba(17, 17, 17, 0.12);
}

.sc-document-margin-label {
  margin: 0 0 0.32rem;
  color: #111111;
  font-family: var(--sc-document-ui-font);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-transform: uppercase;
}

.sc-document-margin-header p,
.sc-document-study-margin .sc-document-annotation-empty {
  margin: 0;
  color: rgba(17, 17, 17, 0.62);
  font-size: 0.82rem;
  line-height: 1.48;
}

.sc-document-margin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.18rem 0.58rem;
  margin: 0 0 0.8rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
}

.sc-document-margin-tabs button {
  min-height: 0;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: rgba(17, 17, 17, 0.56);
  cursor: pointer;
  font: 700 0.68rem/1.25 var(--sc-document-ui-font);
  letter-spacing: 0.04em;
  padding: 0.12rem 0 0.18rem;
  text-transform: uppercase;
}

.sc-document-margin-tabs button.is-active {
  border-color: rgba(17, 17, 17, 0.74);
  background: transparent;
  color: #111111;
}

.sc-document-margin-pane {
  display: none;
}

.sc-document-margin-pane.is-active {
  display: block;
}

.sc-document-study-card {
  margin: 0 0 0.74rem;
  padding: 0 0 0.68rem;
  border: 0;
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 0;
  background: transparent;
}

.sc-document-study-card strong {
  display: block;
  margin: 0 0 0.24rem;
  color: #111111;
  font-family: var(--sc-document-ui-font);
  font-size: 0.78rem;
  line-height: 1.32;
}

.sc-document-study-card p {
  margin: 0;
  color: rgba(17, 17, 17, 0.66);
  font-size: 0.82rem;
  line-height: 1.5;
}

.sc-document-translate-panel {
  display: none !important;
  gap: 0.55rem;
  margin: 0 0 0.95rem;
  padding: 0.68rem;
  border: 1px solid #111111;
  border-radius: 0.4rem;
  background: #ffffff;
  color: #000000;
  box-shadow: 0 2px 0 #111111;
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.sc-document-translate-panel.has-translation-focus {
  box-shadow: 0 0 0 2px #111111;
  transform: translateY(-1px);
}

.sc-document-translate-panel.is-off {
  border-color: #cccccc;
  box-shadow: none;
}

.sc-document-translate-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.65rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid #eeeeee;
}

.sc-document-translate-panel-head p {
  margin: 0;
  color: #333333;
  font-size: 0.74rem;
  line-height: 1.35;
}

.sc-document-translate-panel button,
.sc-document-translate-panel select,
.sc-document-translate-panel textarea {
  font-family: Arial, "Times New Roman", serif;
}

.sc-document-translate-panel-head button {
  min-width: 3rem;
  min-height: 1.8rem;
  border: 1px solid #111111;
  border-radius: 0.2rem;
  background: #111111;
  color: #ffffff;
  cursor: pointer;
  font-size: 0.7rem;
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
}

.sc-document-translate-panel-head button[aria-pressed="false"] {
  background: #ffffff;
  color: #000000;
}

.sc-document-translate-language {
  display: grid;
  gap: 0.25rem;
  color: #000000;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.1;
  text-transform: uppercase;
}

.sc-document-translate-language select,
.sc-document-translate-panel textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #bbbbbb;
  border-radius: 0.25rem;
  background: #ffffff;
  color: #000000;
  outline: none;
}

.sc-document-translate-language select {
  min-height: 2rem;
  padding: 0.3rem 0.46rem;
  font-size: 0.78rem;
  font-weight: 700;
}

.sc-document-translate-panel textarea {
  min-height: 5.75rem;
  max-height: 9.5rem;
  resize: vertical;
  padding: 0.48rem 0.5rem;
  font-size: 0.8rem;
  line-height: 1.42;
}

.sc-document-translate-language select:focus,
.sc-document-translate-panel textarea:focus {
  border-color: #111111;
  box-shadow: 0 0 0 2px rgba(17, 17, 17, 0.08);
}

.sc-document-translate-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.42rem;
}

.sc-document-translate-actions button {
  min-height: 2rem;
  border: 1px solid #111111;
  border-radius: 0.22rem;
  background: #ffffff;
  color: #000000;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.15;
  text-transform: uppercase;
}

.sc-document-translate-actions button:first-child {
  background: #111111;
  color: #ffffff;
}

.sc-document-translate-output {
  min-height: 3.5rem;
  padding: 0.56rem;
  border: 1px solid #dddddd;
  border-radius: 0.32rem;
  background: #fbfbf8;
}

.sc-document-translate-output dl {
  display: grid;
  gap: 0.34rem;
  margin: 0;
}

.sc-document-translate-output dl > div {
  display: grid;
  grid-template-columns: minmax(4.8rem, 0.62fr) minmax(0, 1fr);
  gap: 0.45rem;
  align-items: start;
  padding-top: 0.34rem;
  border-top: 1px solid #e7e7e2;
}

.sc-document-translate-output dl > div:first-child {
  padding-top: 0;
  border-top: 0;
}

.sc-document-translate-output dt,
.sc-document-translate-output dd {
  margin: 0;
  color: #000000;
  font-size: 0.78rem;
  line-height: 1.35;
}

.sc-document-translate-output dt {
  font-weight: 800;
}

.sc-document-margin-header button {
  flex: 0 0 auto;
  border: 1px solid #bbbbbb;
  border-radius: 0.12rem;
  background: #ffffff;
  color: #000000;
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.2;
  padding: 0.28rem 0.42rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sc-document-margin-note-list .sc-document-annotation {
  margin: 0 0 0.75rem;
  padding: 0 0 0.75rem;
  border-top: 0;
  border-bottom: 1px solid #eeeeee;
}

.sc-document-margin-note-list .sc-document-annotation blockquote {
  margin: 0 0 0.35rem;
  padding-left: 0.5rem;
  border-left: 2px solid #d6c460;
  color: #111111;
  font-size: 0.72rem;
  font-weight: 400;
  line-height: 1.38;
}

.sc-document-margin-note-list .sc-document-annotation p {
  margin: 0 0 0.45rem;
  color: #000000;
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.42;
}

.sc-document-margin-note-list .sc-document-annotation button {
  border: 0;
  padding: 0;
  background: transparent;
  color: #555555;
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 700;
  text-decoration: underline;
}

.sc-document-header {
  margin: 0 0 1.45rem;
  padding: 0 0 0.95rem;
  border-bottom: 2px solid #111111;
}

.sc-document-kicker {
  display: block;
  margin: 0 0 0.45rem;
  color: var(--doc-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}

.sc-document-kicker .material-symbols-outlined {
  display: none;
}

.sc-document-title {
  margin: 0;
  color: #000000;
  font-family: Arial, "Times New Roman", serif;
  font-size: 1.78rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
}

.sc-document-summary {
  margin: 0.45rem 0 0;
  max-width: 58rem;
  color: var(--doc-muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.sc-document-command-area {
  display: grid;
  grid-template-columns: minmax(12rem, 0.82fr) minmax(0, 1.18fr);
  gap: 0.75rem;
  margin: 1rem 0 0.85rem;
  padding: 0.78rem;
  border: 1px solid #d9e2dc;
  border-radius: 0.7rem;
  background: #f8fbf8;
}

.sc-document-command-main,
.sc-document-command-grid button {
  border: 1px solid #cddbd3;
  border-radius: 0.5rem;
  background: #ffffff;
  color: #0f241e;
  cursor: pointer;
  font-family: var(--sc-document-ui-font);
  text-align: left;
}

.sc-document-command-main {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: center;
  min-height: 5.4rem;
  padding: 0.85rem;
  background: #0f5a46;
  color: #ffffff;
  box-shadow: 0 8px 22px rgba(15, 90, 70, 0.14);
}

.sc-document-command-main .material-symbols-outlined {
  font-size: 1.8rem;
}

.sc-document-command-main strong {
  display: block;
  font-size: 1rem;
  line-height: 1.15;
}

.sc-document-command-main small {
  display: block;
  margin-top: 0.22rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.78rem;
  line-height: 1.3;
}

.sc-document-command-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.8rem, 1fr));
  gap: 0.45rem;
}

.sc-document-command-grid button {
  display: flex;
  align-items: center;
  gap: 0.38rem;
  min-height: 2.45rem;
  padding: 0.48rem 0.56rem;
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1.15;
}

.sc-document-command-grid button:hover,
.sc-document-command-grid button:focus-visible,
.sc-document-command-main:hover,
.sc-document-command-main:focus-visible {
  border-color: #0f5a46;
  outline: 2px solid rgba(15, 90, 70, 0.12);
  outline-offset: 1px;
}

.sc-document-command-grid .material-symbols-outlined {
  color: #0f5a46;
  font-size: 1.05rem;
}

.sc-document-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.sc-document-quality-badges {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.34rem;
  width: fit-content;
  margin-top: 0.62rem;
  padding: 0.3rem 0.52rem;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 999px;
  background: rgba(250, 249, 246, 0.72);
  color: #111111;
}

.sc-document-quality-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.1;
  text-transform: uppercase;
}

.sc-document-quality-primary::before {
  content: '';
  width: 0.42rem;
  height: 0.42rem;
  margin-right: 0.34rem;
  border-radius: 999px;
  background: #2383e2;
}

.sc-document-quality-meta {
  color: rgba(17, 17, 17, 0.58);
  font-weight: 750;
  text-transform: none;
}

.sc-document-action,
.sc-document-action.is-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  min-height: 2rem;
  padding: 0.35rem 0.62rem;
  border: 1px solid #bbbbbb;
  border-radius: 0.12rem;
  background: #ffffff;
  color: #000000;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.sc-document-action:hover,
.sc-document-action.is-primary:hover {
  background: #f2f2f2;
}

.sc-document-actions button.sc-document-action {
  cursor: pointer;
  font-family: inherit;
}

.sc-document-action .material-symbols-outlined {
  font-size: 1rem;
  line-height: 1;
}

.sc-document-action[aria-pressed="true"] {
  background: #111111;
  border-color: #111111;
  color: #ffffff;
}

.sc-document-panel-toggle {
  position: fixed;
  top: 5.05rem;
  z-index: 82;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid #111111;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: #111111;
  box-shadow: 0 0.28rem 0.8rem rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.sc-document-panel-toggle.is-left {
  left: max(0.72rem, calc(50vw - 8.25in + 12.4rem));
}

.sc-document-panel-toggle.is-right {
  right: max(0.72rem, calc(50vw - 8.25in + 0.3rem));
}

.sc-document-panel-toggle:hover,
.sc-document-panel-toggle:focus-visible {
  background: #f2f2f2;
  outline: 2px solid rgba(17, 17, 17, 0.16);
  outline-offset: 2px;
}

.sc-document-panel-toggle[aria-pressed="true"] {
  background: #111111;
  color: #ffffff;
}

.sc-document-panel-toggle .material-symbols-outlined {
  font-size: 1.08rem;
  line-height: 1;
}

.sc-document-export-status {
  width: fit-content;
  max-width: 42rem;
  margin: 0.65rem 0 0;
  padding: 0.48rem 0.58rem;
  border: 1px solid #111111;
  background: #f7f7f7;
  color: #111111;
  font: 700 0.72rem/1.35 var(--sc-document-ui-font);
}

.sc-document-export-status.is-error {
  border-color: #6f1111;
  background: #fff5f5;
  color: #6f1111;
}

.sc-document-body {
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: #ffffff;
  color: #000000;
  box-shadow: none;
  font-family: Arial, "Times New Roman", serif;
  font-weight: 400;
}

.sc-document-paper,
.sc-document-body,
.sc-document-body h2,
.sc-document-body h3,
.sc-document-body p,
.sc-document-body li,
.sc-document-body span {
  color: #000000;
}

.sc-document-unit {
  display: block;
  margin: 2.35rem 0 0;
  padding: 0;
  border: 0;
  border-top: 3px solid #111111;
  border-bottom: 1px solid rgba(17, 17, 17, 0.1);
  background: #ffffff;
  scroll-margin-top: 1rem;
}

.sc-document-unit:first-child {
  margin-top: 0;
}

.sc-document-unit-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.85rem;
  padding: 0.78rem 0 0.7rem;
  cursor: pointer;
  list-style: none;
}

.sc-document-unit-head::-webkit-details-marker {
  display: none;
}

.sc-document-unit-head > div {
  min-width: 0;
}

.sc-document-unit-toggle {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 1.45rem;
  height: 1.45rem;
  margin-top: 0.12rem;
  border: 1px solid rgba(17, 17, 17, 0.24);
  border-radius: 999px;
  color: #111111;
  font: 800 0.92rem/1 var(--sc-document-ui-font);
}

.sc-document-unit-toggle::before {
  content: "+";
}

.sc-document-unit[open] > .sc-document-unit-head .sc-document-unit-toggle::before {
  content: "-";
}

.sc-document-unit-body {
  padding: 0 0 1.05rem;
  content-visibility: auto;
  contain-intrinsic-size: auto 900px;
}

.sc-document-unit-overview {
  display: grid;
  gap: 0.34rem;
  margin: 0 0 0.72rem;
  padding: 0.68rem 0;
  border-top: 1px solid rgba(17, 17, 17, 0.1);
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
}

.sc-document-unit-overview-label {
  color: #43544d;
  font: 800 0.58rem/1.2 var(--sc-document-ui-font);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sc-document-unit-overview p {
  margin: 0;
  color: #111111;
  font-size: 0.92rem;
  line-height: 1.5;
}

.sc-document-unit-outcomes,
.sc-document-full-marks-standard,
.sc-document-unit-practice {
  margin-top: 0.18rem;
  padding-top: 0.48rem;
  border-top: 1px solid rgba(17, 17, 17, 0.07);
}

.sc-document-unit-outcomes > strong,
.sc-document-standard-label,
.sc-document-unit-practice summary {
  display: block;
  color: #111111;
  font: 800 0.66rem/1.25 var(--sc-document-ui-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sc-document-unit-outcomes ul,
.sc-document-full-marks-standard ol,
.sc-document-unit-practice ul {
  display: grid;
  gap: 0.24rem;
  margin: 0.34rem 0 0;
  padding-left: 1.18rem;
}

.sc-document-unit-outcomes li,
.sc-document-full-marks-standard li,
.sc-document-unit-practice li {
  margin: 0;
  color: #111111;
  font-size: 0.88rem;
  line-height: 1.45;
}

.sc-document-full-marks-standard {
  display: grid;
  grid-template-columns: minmax(7.4rem, 0.28fr) minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
}

.sc-document-full-marks-standard ol {
  margin-top: 0;
}

.sc-document-standard-label {
  color: #43544d;
}

.sc-document-unit-practice {
  border-bottom: 1px solid rgba(17, 17, 17, 0.05);
  padding-bottom: 0.52rem;
}

.sc-document-unit-practice summary {
  cursor: pointer;
  list-style: none;
}

.sc-document-unit-practice summary::-webkit-details-marker {
  display: none;
}

.sc-document-unit-practice summary::after {
  content: " +";
  color: rgba(17, 17, 17, 0.48);
}

.sc-document-unit-practice[open] summary::after {
  content: " -";
}

.sc-document-unit-action-row {
  display: flex;
  justify-content: flex-end;
  margin: 0 0 0.55rem;
}

.sc-document-unit-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 0 0 0.5rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #555555;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.sc-document-body h2,
.sc-document-body h3 {
  margin: 1.15rem 0 0.45rem;
  color: #000000;
  font-family: Arial, "Times New Roman", serif;
  font-weight: 700;
  letter-spacing: 0;
}

.sc-document-body h2 {
  font-size: 1.32rem;
  line-height: 1.25;
}

.sc-document-body h3 {
  font-size: 1.04rem;
  line-height: 1.3;
  scroll-margin-top: 1rem;
}

.sc-document-topic {
  margin: 1.05rem 0;
  padding: 0.34rem 0 0.38rem;
  border: 0;
  border-top: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 0;
  background: transparent;
  scroll-margin-top: 1rem;
}

.sc-document-topic > h3:first-child,
.sc-document-topic-head h3 {
  margin-top: 0;
}

.sc-document-topic-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.14rem;
}

.sc-document-topic.is-mistakes,
.sc-document-topic.is-examples,
.sc-document-topic.is-reference,
.sc-document-topic.is-checklist {
  margin-top: 1.18rem;
  padding: 0.14rem 0 0.42rem;
  border: 0;
  border-top: 1px solid #e7e7e1;
  border-radius: 0;
  background: transparent;
}

.sc-document-topic.is-mistakes {
  border-top-color: #eadbd5;
}

.sc-document-topic.is-examples {
  border-top-color: #e4d5bd;
}

.sc-document-topic.is-reference {
  border-top-color: #d8ded7;
}

.sc-document-topic.is-checklist {
  border-top-color: #d7d7d2;
}

.sc-document-topic-tools {
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
  flex: 0 0 auto;
}

.sc-document-clarify-trigger,
.sc-document-practice-trigger,
.sc-document-cards-trigger,
.sc-document-summary-trigger,
.sc-document-vocab-label button {
  display: inline-flex;
  align-items: center;
  gap: 0.22rem;
  flex: 0 0 auto;
  margin-top: 0.02rem;
  min-height: 1.78rem;
  padding: 0.24rem 0.42rem;
  border: 1px solid rgba(7, 61, 47, 0.16);
  border-radius: 0.38rem;
  background: #ffffff;
  color: rgba(7, 61, 47, 0.82);
  font: 700 0.66rem/1 var(--sc-document-ui-font);
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  box-shadow: none;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease, transform 160ms ease;
}

.sc-document-clarify-trigger:hover,
.sc-document-clarify-trigger:focus-visible,
.sc-document-clarify-trigger[aria-expanded="true"],
.sc-document-practice-trigger:hover,
.sc-document-practice-trigger:focus-visible,
.sc-document-practice-trigger[aria-expanded="true"],
.sc-document-cards-trigger:hover,
.sc-document-cards-trigger:focus-visible,
.sc-document-summary-trigger:hover,
.sc-document-summary-trigger:focus-visible,
.sc-document-summary-trigger[aria-expanded="true"],
.sc-document-vocab-label button:hover,
.sc-document-vocab-label button:focus-visible {
  border-color: rgba(7, 61, 47, 0.38);
  background: #e8f2ee;
  color: #073d2f;
  transform: translateY(-0.5px);
}

.sc-document-clarify-trigger:focus-visible,
.sc-document-practice-trigger:focus-visible,
.sc-document-cards-trigger:focus-visible,
.sc-document-summary-trigger:focus-visible,
.sc-document-vocab-label button:focus-visible {
  outline: 2px solid rgba(7, 61, 47, 0.18);
  outline-offset: 2px;
}

.sc-document-topic-tools .material-symbols-outlined {
  font-size: 0.95rem;
  line-height: 1;
}

.sc-document-section-summary-panel {
  margin-top: 0.78rem;
  padding: 0.78rem 0.84rem;
  border: 1px solid #d9e2dc;
  border-left: 3px solid #0f5a46;
  border-radius: 0.46rem;
  background: #f8fbf8;
}

.sc-document-section-summary-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.7rem;
  margin-bottom: 0.5rem;
}

.sc-document-section-summary-head span {
  display: block;
  color: #5a6c65;
  font: 800 0.62rem/1 var(--sc-document-ui-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sc-document-section-summary-head strong {
  display: block;
  margin-top: 0.2rem;
  color: #0f241e;
  font-size: 0.94rem;
  line-height: 1.25;
}

.sc-document-section-summary-head button {
  border: 1px solid #0f5a46;
  border-radius: 0.36rem;
  background: #0f5a46;
  color: #ffffff;
  cursor: pointer;
  font: 800 0.7rem/1 var(--sc-document-ui-font);
  padding: 0.42rem 0.58rem;
}

.sc-document-section-summary-panel p,
.sc-document-section-summary-panel li {
  color: #1b3029;
  font-size: 0.9rem;
  line-height: 1.5;
}

.sc-document-summary-notes {
  display: grid;
  gap: 0.7rem;
  margin: 0;
}

.sc-document-summary-notes > div {
  display: grid;
  grid-template-columns: minmax(8.2rem, 0.32fr) minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding-top: 0.66rem;
  border-top: 1px solid rgba(15, 90, 70, 0.12);
}

.sc-document-summary-notes > div:first-child {
  padding-top: 0;
  border-top: 0;
}

.sc-document-summary-notes dt,
.sc-document-summary-notes dd {
  margin: 0;
}

.sc-document-summary-notes dt {
  color: #47645b;
  font: 800 0.66rem/1.25 var(--sc-document-ui-font);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sc-document-summary-notes dd {
  color: #1b3029;
  font-size: 0.92rem;
  line-height: 1.55;
}

.sc-document-summary-notes ul {
  margin: 0;
  padding-left: 1.05rem;
}

.sc-document-unit-idea-card {
  margin: 0 0 0.78rem;
  padding: 0.64rem;
  border: 1px solid #d9e2dc;
  border-radius: 0.54rem;
  background: #ffffff;
}

.sc-document-protection-notice {
  display: flex;
  align-items: center;
  gap: 0.42rem;
  width: fit-content;
  max-width: 100%;
  margin: 0.78rem 0 0;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: rgba(17, 17, 17, 0.58);
  font: 800 0.62rem/1.2 Manrope, Arial, sans-serif;
  letter-spacing: 0.08em;
  padding: 0.38rem 0.58rem;
  text-transform: uppercase;
}

.sc-document-protection-notice .material-symbols-outlined {
  font-size: 0.9rem;
}

.sc-document-copy-toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 2147483640;
  max-width: min(22rem, calc(100vw - 2rem));
  border: 1px solid rgba(17, 17, 17, 0.16);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.16);
  color: #111111;
  font: 800 0.78rem/1.35 Manrope, Arial, sans-serif;
  padding: 0.78rem 0.9rem;
}

@media print {
  body.sc-document-protected * {
    visibility: hidden !important;
  }

  body.sc-document-protected::before {
    content: "Printing and copying are disabled for Study Concept documents. Use the in-app study tools instead.";
    visibility: visible !important;
    position: fixed;
    inset: 2rem;
    display: grid;
    place-items: center;
    border: 2px solid #111111;
    color: #111111;
    font: 800 18pt/1.35 Arial, sans-serif;
    text-align: center;
  }
}

.sc-document-unit-idea-card h3 {
  margin: 0 0 0.52rem;
  color: #0f3329;
  font-size: 0.82rem;
  line-height: 1.24;
}

.sc-document-mobile-bar {
  display: none !important;
}

body.sc-document-reading-mode .sc-document-outline,
body.sc-document-reading-mode .sc-document-study-margin,
body.sc-document-reading-mode .sc-document-actions,
body.sc-document-reading-mode .sc-document-command-area {
  display: none;
}

body.sc-document-reading-mode .sc-document-shell {
  grid-template-columns: minmax(0, 7.6in);
  justify-content: center;
}

body.sc-document-reading-mode .sc-document-paper {
  padding-inline: 0.18in;
}

.sc-document-clarify-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sc-document-clarify-panel {
  margin-top: 0.78rem;
  padding: 0.72rem 0.84rem;
  border: 1px solid #deded8;
  border-left: 2px solid rgba(7, 61, 47, 0.75);
  border-radius: 0.36rem;
  background: #fdfdfb;
  box-shadow: none;
}

.sc-document-clarify-panel dl {
  display: grid;
  gap: 0.58rem;
  margin: 0;
}

.sc-document-clarify-panel dl > div {
  display: grid;
  grid-template-columns: minmax(5.8rem, 0.32fr) 1fr;
  gap: 0.75rem;
  align-items: baseline;
}

.sc-document-clarify-panel dt {
  color: rgba(17, 17, 17, 0.56);
  font: 700 0.69rem/1.25 var(--sc-document-ui-font);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sc-document-clarify-panel dd {
  margin: 0;
  color: #111111;
  font-size: 0.94rem;
  line-height: 1.58;
}

.sc-document-practice-panel {
  margin-top: 0.9rem;
  padding: 0.8rem 0 0.15rem;
  border-top: 1px solid rgba(17, 17, 17, 0.12);
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
  background: transparent;
}

.sc-document-practice-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.65rem;
}

.sc-document-practice-head p {
  margin: 0.18rem 0 0;
  color: rgba(17, 17, 17, 0.62);
  font-size: 0.86rem;
  line-height: 1.45;
}

.sc-document-practice-kicker {
  color: rgba(7, 61, 47, 0.72);
  font: 700 0.64rem/1 var(--sc-document-ui-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sc-document-practice-head button,
.sc-document-practice-actions button {
  flex: 0 0 auto;
  border: 1px solid rgba(7, 61, 47, 0.18);
  border-radius: 999px;
  background: #ffffff;
  color: #073d2f;
  font: 700 0.72rem/1 var(--sc-document-ui-font);
  letter-spacing: 0;
  padding: 0.48rem 0.72rem;
  cursor: pointer;
}

.sc-document-practice-head button:hover,
.sc-document-practice-actions button:hover,
.sc-document-practice-head button:focus-visible,
.sc-document-practice-actions button:focus-visible {
  border-color: rgba(7, 61, 47, 0.38);
  outline: none;
}

.sc-document-practice-list {
  display: grid;
  gap: 0.86rem;
  margin: 0;
  padding-left: 1.15rem;
}

.sc-document-practice-item {
  padding-left: 0.18rem;
}

.sc-document-practice-question {
  margin-bottom: 0.42rem;
  color: #111111;
  font-size: 0.94rem;
  line-height: 1.5;
}

.sc-document-practice-hint {
  margin: -0.08rem 0 0.5rem;
  color: rgba(17, 17, 17, 0.58);
  font-size: 0.82rem;
  font-style: italic;
  line-height: 1.45;
}

.sc-document-practice-options {
  display: grid;
  gap: 0.34rem;
  margin: 0.42rem 0 0.58rem;
}

.sc-document-practice-option {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.48rem;
  align-items: start;
  padding: 0.42rem 0.48rem;
  border: 1px solid rgba(17, 17, 17, 0.11);
  border-radius: 0.28rem;
  background: rgba(255, 255, 255, 0.72);
  color: #111111;
  font-size: 0.9rem;
  line-height: 1.44;
  cursor: pointer;
}

.sc-document-practice-option:hover,
.sc-document-practice-option.is-selected {
  border-color: rgba(7, 61, 47, 0.32);
  background: rgba(253, 253, 251, 0.96);
}

.sc-document-practice-option input {
  margin-top: 0.16rem;
  accent-color: #073d2f;
}

.sc-document-practice-item textarea {
  width: 100%;
  min-height: 4.1rem;
  resize: vertical;
  border: 1px solid rgba(17, 17, 17, 0.16);
  border-radius: 0.28rem;
  background: #fffefb;
  color: #111111;
  font: 400 0.94rem/1.55 var(--sc-document-body-font);
  padding: 0.66rem 0.72rem;
  box-shadow: none;
}

.sc-document-practice-item textarea:focus {
  border-color: rgba(7, 61, 47, 0.42);
  outline: 2px solid rgba(7, 61, 47, 0.1);
  outline-offset: 1px;
}

.sc-document-practice-checkrow {
  display: flex;
  align-items: flex-start;
  gap: 0.62rem;
  margin-top: 0.48rem;
}

.sc-document-practice-checkrow button {
  flex: 0 0 auto;
  border: 0;
  border-bottom: 1px solid rgba(7, 61, 47, 0.24);
  border-radius: 0;
  background: transparent;
  color: rgba(7, 61, 47, 0.72);
  font: 700 0.68rem/1.2 var(--sc-document-ui-font);
  letter-spacing: 0.04em;
  padding: 0.16rem 0 0.12rem;
  text-transform: uppercase;
  cursor: pointer;
}

.sc-document-practice-checkrow button:hover,
.sc-document-practice-checkrow button:focus-visible {
  border-color: rgba(7, 61, 47, 0.52);
  color: #073d2f;
  outline: none;
}

.sc-document-practice-result {
  color: rgba(17, 17, 17, 0.58);
  font-size: 0.82rem;
  line-height: 1.45;
}

.sc-document-practice-result.is-correct {
  color: #0b5a43;
}

.sc-document-practice-result.is-incorrect {
  color: #8a2a0b;
}

.sc-document-practice-actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0.8rem 0 0.32rem;
}

.sc-document-practice-actions span {
  color: rgba(17, 17, 17, 0.54);
  font: 600 0.72rem/1.35 var(--sc-document-ui-font);
}

.sc-document-clarify-kicker {
  margin-bottom: 0.52rem;
  color: rgba(7, 61, 47, 0.72);
  font: 700 0.64rem/1 var(--sc-document-ui-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sc-document-body p,
.sc-document-body li {
  color: #000000;
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.62;
}

.sc-document-body strong,
.sc-document-body b {
  font-weight: 700;
}

.sc-document-body p {
  margin: 0.48rem 0;
}

.sc-document-body ul {
  margin: 0.55rem 0 0.82rem;
  padding-left: 1.15rem;
}

.sc-document-body li {
  margin: 0.22rem 0;
}

.sc-document-body ul.sc-document-sequence-list {
  display: grid;
  grid-auto-flow: row;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 0.42rem 0.82rem;
  margin: 0.6rem 0 0.9rem;
  padding-left: 0;
  list-style: none;
}

.sc-document-body ul.sc-document-sequence-list > li {
  min-width: 0;
  margin: 0;
  break-inside: avoid;
}

.sc-document-body ul.sc-document-sequence-list > li.sc-document-sequence-item {
  display: grid;
  grid-template-columns: 1.35rem minmax(0, 1fr);
  gap: 0.42rem;
  align-items: start;
  padding: 0.22rem 0.32rem 0.22rem 0;
}

.sc-document-body ul.sc-document-sequence-list > li.sc-document-sequence-item::before {
  content: var(--sc-document-list-order);
  display: inline-grid;
  place-items: center;
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.18rem;
  border: 1px solid #cfcfc9;
  border-radius: 999px;
  color: #111111;
  font: 700 0.64rem/1 Arial, "Times New Roman", serif;
}

.sc-document-body ul.sc-document-mistake-list,
.sc-document-body ul.sc-document-example-list,
.sc-document-body ul.sc-document-formula-list,
.sc-document-body ul.sc-document-reference-list {
  display: grid;
  grid-auto-flow: row;
  grid-template-columns: 1fr;
  gap: 0.48rem 0.72rem;
  margin: 0.64rem 0 0.85rem;
  padding-left: 0;
  list-style: none;
}

.sc-document-body ul.sc-document-reference-list {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

.sc-document-body ul.sc-document-mistake-list {
  counter-reset: sc-document-mistake;
}

.sc-document-body ul.sc-document-example-list {
  counter-reset: sc-document-example;
}

.sc-document-body ul.sc-document-mistake-list > li,
.sc-document-body ul.sc-document-example-list > li,
.sc-document-body ul.sc-document-formula-list > li,
.sc-document-body ul.sc-document-reference-list > li {
  min-width: 0;
  margin: 0;
  break-inside: avoid;
}

.sc-document-body li.sc-document-mistake-item,
.sc-document-body li.sc-document-example-item,
.sc-document-body li.sc-document-formula-item,
.sc-document-body li.sc-document-reference-item {
  display: block;
  padding: 0.34rem 0.54rem 0.36rem 0.68rem;
  border: 0;
  border-left: 1px solid rgba(17, 17, 17, 0.14);
  border-radius: 0.62rem;
  background: rgba(250, 249, 246, 0.58);
  line-height: 1.58;
}

.sc-document-body li.sc-document-mistake-item {
  counter-increment: sc-document-mistake;
  display: block;
  padding-left: 0.68rem;
  border-left-color: rgba(138, 47, 32, 0.28);
  background: rgba(138, 47, 32, 0.035);
}

.sc-document-body li.sc-document-mistake-item::before {
  content: none;
}

.sc-document-body li.sc-document-example-item,
.sc-document-body li.sc-document-formula-item {
  display: block;
  padding-left: 0.68rem;
  border-left-color: rgba(200, 160, 100, 0.34);
  background: rgba(200, 160, 100, 0.055);
}

.sc-document-body li.sc-document-example-item {
  counter-increment: sc-document-example;
}

.sc-document-body li.sc-document-example-item::before,
.sc-document-body li.sc-document-formula-item::before {
  content: none;
}

.sc-document-body li.sc-document-example-item::before {
  content: none;
}

.sc-document-body li.sc-document-formula-item::before {
  content: none;
}

.sc-document-body li.sc-document-formula-item {
  border-left-color: rgba(109, 109, 103, 0.26);
  background: rgba(109, 109, 103, 0.045);
  font-family: inherit;
}

.sc-document-body li.sc-document-reference-item {
  border-left-color: rgba(169, 184, 178, 0.48);
  background: rgba(169, 184, 178, 0.07);
}

.sc-command-palette[hidden] {
  display: none !important;
}

.sc-command-palette {
  position: fixed;
  inset: 0;
  z-index: 10120;
  display: none;
  align-items: start;
  justify-items: center;
  padding: min(12vh, 8rem) 1rem 1rem;
  color: #1d1a22;
  font-family: Inter, system-ui, sans-serif;
}

.sc-command-palette-open .sc-document-command-palette {
  display: grid;
}

.sc-command-palette-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 12%, rgba(255, 255, 255, 0.62), transparent 32rem),
    rgba(29, 26, 34, 0.14);
  backdrop-filter: blur(24px) saturate(0.72);
  -webkit-backdrop-filter: blur(24px) saturate(0.72);
}

.sc-command-palette-panel {
  position: relative;
  z-index: 1;
  width: min(52.5rem, calc(100vw - 2rem));
  max-height: min(49rem, calc(100dvh - 2rem));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid rgba(191, 201, 195, 0.15);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 20px 40px rgba(29, 26, 34, 0.08), 0 0 0 1px rgba(255, 255, 255, 0.62) inset;
  backdrop-filter: blur(24px) saturate(1.05);
  -webkit-backdrop-filter: blur(24px) saturate(1.05);
  transform: translateY(-0.85rem) scale(0.985);
  opacity: 0;
  animation: scDocumentCommandPanelIn 0.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.sc-command-palette-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 18%, rgba(179, 239, 216, 0.28), transparent 18rem),
    radial-gradient(circle at 88% 92%, rgba(255, 219, 208, 0.18), transparent 16rem);
  opacity: 0.72;
}

.sc-command-palette-search {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.68);
  padding: 1.35rem 1.65rem 1.15rem;
}

.sc-command-palette-search .material-symbols-outlined {
  color: #2383e2;
  font-size: 1.55rem;
  font-variation-settings: 'wght' 500, 'FILL' 0, 'GRAD' 0, 'opsz' 24;
}

.sc-command-palette-search input {
  min-width: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: #1d1a22;
  caret-color: #2383e2;
  font: 500 1.35rem/1.2 "Plus Jakarta Sans", Inter, system-ui, sans-serif;
  letter-spacing: 0;
}

.sc-command-palette-search input::placeholder {
  color: rgba(64, 73, 69, 0.48);
}

.sc-command-palette-search kbd {
  border: 1px solid rgba(191, 201, 195, 0.3);
  border-radius: 0.48rem;
  background: rgba(231, 224, 235, 0.74);
  color: #1d1a22;
  padding: 0.42rem 0.56rem;
  font: 800 0.72rem/1 Manrope, system-ui, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sc-command-palette-list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.58rem;
  max-height: min(34rem, calc(100dvh - 11rem));
  overflow-y: auto;
  padding: 1.1rem 1.65rem 1.35rem;
  scrollbar-width: thin;
  scrollbar-color: #bfc9c3 transparent;
}

.sc-command-palette-group {
  grid-column: 1 / -1;
  margin: 1rem 0 0.3rem;
  color: rgba(112, 121, 116, 0.82);
  font: 800 0.62rem/1 Manrope, system-ui, sans-serif;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.sc-command-palette-group::before,
.sc-command-palette-group::after {
  content: "---";
  color: rgba(112, 121, 116, 0.48);
  letter-spacing: 0.16em;
}

.sc-command-palette-group::before {
  margin-right: 0.45rem;
}

.sc-command-palette-group::after {
  margin-left: 0.45rem;
}

.sc-command-palette-group:first-child {
  margin-top: 0;
}

.sc-command-palette-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.92rem;
  min-height: 3.55rem;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 0.85rem;
  background: transparent;
  color: #1d1a22;
  padding: 0.82rem 1.08rem;
  text-align: left;
  cursor: pointer;
  transition: transform 0.2s ease-out, border-color 0.2s ease-out, background-color 0.2s ease-out, box-shadow 0.2s ease-out, color 0.2s ease-out;
}

.sc-command-palette-item:hover,
.sc-command-palette-item.is-active {
  transform: translateY(-1px);
  border-color: rgba(35, 131, 226, 0.1);
  background: #2383e2;
  color: #ffffff;
  box-shadow: 0 0 15px rgba(179, 239, 216, 0.4);
}

.sc-command-palette-item[data-sc-command-category="Actions"],
.sc-command-palette-item[data-sc-command-category="Current Document"] {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(191, 201, 195, 0.1);
}

.sc-command-palette-item[data-sc-command-category="Actions"]:hover,
.sc-command-palette-item[data-sc-command-category="Actions"].is-active,
.sc-command-palette-item[data-sc-command-category="Current Document"]:hover,
.sc-command-palette-item[data-sc-command-category="Current Document"].is-active {
  background: rgba(231, 224, 235, 0.86);
  color: #1d1a22;
  box-shadow: none;
}

.sc-command-palette-icon {
  display: inline-flex;
  width: 1.9rem;
  height: 1.9rem;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 0.5rem;
  background: transparent;
  color: #404945;
  font-size: 1.35rem;
  font-variation-settings: 'FILL' 0, 'wght' 330, 'GRAD' 0, 'opsz' 24;
}

.sc-command-palette-item:hover .sc-command-palette-icon,
.sc-command-palette-item.is-active .sc-command-palette-icon {
  color: inherit;
}

.sc-command-palette-item[data-sc-command-category="Go To"]:hover .sc-command-palette-icon,
.sc-command-palette-item[data-sc-command-category="Go To"].is-active .sc-command-palette-icon {
  color: #dceeff;
}

.sc-command-palette-copy {
  display: grid;
  gap: 0.16rem;
  min-width: 0;
}

.sc-command-palette-copy span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  min-width: 0;
}

.sc-command-palette-copy strong {
  overflow: hidden;
  color: inherit;
  font: 720 0.91rem/1.12 Inter, "Plus Jakarta Sans", system-ui, sans-serif;
  letter-spacing: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sc-command-palette-copy em {
  flex: 0 0 auto;
  border-radius: 999px;
  color: rgba(64, 73, 69, 0.74);
  padding: 0;
  font: 800 0.61rem/1 Manrope, system-ui, sans-serif;
  letter-spacing: 0.02em;
}

.sc-command-palette-copy small,
.sc-command-palette-empty {
  overflow: hidden;
  color: rgba(64, 73, 69, 0.7);
  font: 560 0.68rem/1.28 Inter, system-ui, sans-serif;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sc-command-palette-empty {
  grid-column: 1 / -1;
  padding: 1rem;
}

.sc-command-palette-item:hover .sc-command-palette-copy em,
.sc-command-palette-item.is-active .sc-command-palette-copy em,
.sc-command-palette-item:hover .sc-command-palette-copy small,
.sc-command-palette-item.is-active .sc-command-palette-copy small {
  color: rgba(255, 255, 255, 0.68);
}

.sc-command-palette-item[data-sc-command-category="Actions"]:hover .sc-command-palette-copy em,
.sc-command-palette-item[data-sc-command-category="Actions"].is-active .sc-command-palette-copy em,
.sc-command-palette-item[data-sc-command-category="Actions"]:hover .sc-command-palette-copy small,
.sc-command-palette-item[data-sc-command-category="Actions"].is-active .sc-command-palette-copy small,
.sc-command-palette-item[data-sc-command-category="Current Document"]:hover .sc-command-palette-copy em,
.sc-command-palette-item[data-sc-command-category="Current Document"].is-active .sc-command-palette-copy em,
.sc-command-palette-item[data-sc-command-category="Current Document"]:hover .sc-command-palette-copy small,
.sc-command-palette-item[data-sc-command-category="Current Document"].is-active .sc-command-palette-copy small {
  color: rgba(64, 73, 69, 0.72);
}

.sc-command-palette-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(250, 250, 250, 0.9);
  color: rgba(64, 73, 69, 0.75);
  padding: 0.78rem 1.65rem 0.95rem;
  font: 650 0.7rem/1.2 Manrope, system-ui, sans-serif;
}

.sc-command-palette-footer span {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
}

.sc-command-palette-footer kbd {
  border: 1px solid rgba(191, 201, 195, 0.2);
  border-radius: 0.3rem;
  background: rgba(231, 224, 235, 0.82);
  color: #404945;
  padding: 0.26rem 0.42rem;
  font: 800 0.66rem/1 Manrope, system-ui, sans-serif;
}

@keyframes scDocumentCommandPanelIn {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.sc-document-body li.sc-document-definition-line {
  margin: 0.34rem 0;
  padding: 0.32rem 0.56rem 0.34rem 0.68rem;
  list-style: none;
  border-left: 1px solid rgba(169, 184, 178, 0.42);
  border-radius: 0.62rem;
  background: rgba(250, 249, 246, 0.52);
}

.sc-document-body li.sc-document-definition-line strong {
  color: #050505;
  font-weight: 800;
}

.sc-document-body li.sc-document-definition-line.is-expanded {
  display: block;
  padding: 0.32rem 0.56rem 0.34rem 0.68rem;
  border-left: 1px solid rgba(169, 184, 178, 0.42);
  border-bottom: 0;
  border-radius: 0.62rem;
  background: rgba(250, 249, 246, 0.52);
}

.sc-document-body li.sc-document-definition-line.is-expanded > strong,
.sc-document-body li.sc-document-definition-line.is-expanded > span {
  display: inline;
}

.sc-document-translate-line {
  display: none;
  margin-left: 0.45rem;
  padding: 0.12rem 0.32rem;
  border: 1px solid #bbbbbb;
  border-radius: 0.12rem;
  background: #ffffff;
  color: #000000;
  cursor: pointer;
  font-size: 0.66rem;
  font-weight: 700;
  line-height: 1.15;
  text-transform: uppercase;
  vertical-align: baseline;
}

.sc-document-paper.is-translation-mode .sc-document-translate-line {
  display: none !important;
}

.sc-document-translation-card {
  display: none !important;
  margin: 0.38rem 0 0.7rem;
  padding: 0.62rem 0.68rem;
  border: 1px solid #d8d8d8;
  border-left: 3px solid #111111;
  border-radius: 0.32rem;
  background: #ffffff;
  color: #000000;
}

.sc-document-translation-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.45rem;
}

.sc-document-translation-card-head strong {
  color: #000000;
  font-size: 0.78rem;
  line-height: 1.2;
}

.sc-document-translation-card-head a {
  color: #000000;
  font-size: 0.74rem;
  font-weight: 700;
  text-decoration: underline;
}

.sc-document-translation-card dl {
  display: grid;
  gap: 0.35rem;
  margin: 0;
}

.sc-document-translation-card dl > div {
  display: grid;
  grid-template-columns: minmax(6rem, 0.6fr) minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  padding-top: 0.35rem;
  border-top: 1px solid #eeeeee;
}

.sc-document-translation-card dt,
.sc-document-translation-card dd {
  margin: 0;
  color: #000000;
  font-size: 0.84rem;
  line-height: 1.35;
}

.sc-document-translation-card dt {
  font-weight: 700;
}

.sc-document-translation-empty {
  margin: 0;
  color: #333333;
  font-size: 0.82rem;
  line-height: 1.4;
}

.sc-document-body li.sc-document-callout {
  margin: 0.34rem 0;
  padding: 0.34rem 0.56rem 0.36rem 0.68rem;
  list-style: none;
  border: 0;
  border-left: 1px solid rgba(17, 17, 17, 0.14);
  border-radius: 0.62rem;
  background: rgba(250, 249, 246, 0.58);
}

.sc-document-body li.sc-document-callout strong {
  font-weight: 700;
}

.sc-document-body li.sc-document-callout + li.sc-document-callout {
  margin-top: 0.38rem;
}

.sc-document-callout.is-formula,
.sc-document-text-block.is-formula,
.sc-document-line-mark.is-formula,
.sc-document-text-mark.is-formula {
  border-left-color: rgba(109, 109, 103, 0.26);
  font-family: inherit;
  font-size: 0.94rem;
}

.sc-document-callout.is-example,
.sc-document-text-block.is-example,
.sc-document-line-mark.is-example,
.sc-document-text-mark.is-example {
  border-left-color: rgba(200, 160, 100, 0.34);
}

.sc-document-callout.is-mistake,
.sc-document-text-block.is-mistake,
.sc-document-line-mark.is-mistake,
.sc-document-text-mark.is-mistake {
  border-left-color: rgba(138, 47, 32, 0.28);
  color: #111111;
  font-style: normal;
}

.sc-document-callout.is-check,
.sc-document-text-block.is-check,
.sc-document-callout.is-idea,
.sc-document-text-block.is-idea,
.sc-document-line-mark.is-check,
.sc-document-text-mark.is-check,
.sc-document-line-mark.is-idea,
.sc-document-text-mark.is-idea {
  border-left-color: #a9b8b2;
}

.sc-document-text-block {
  margin: 0.56rem 0;
  padding: 0.34rem 0.56rem 0.36rem 0.68rem;
  border: 0;
  border-left: 1px solid rgba(17, 17, 17, 0.14);
  border-radius: 0.62rem;
  background: rgba(250, 249, 246, 0.58);
}

.sc-document-explanation-grid,
.sc-document-learning-notes {
  display: grid;
  gap: 0.36rem;
  margin: 0.62rem 0 0.86rem;
}

.sc-document-explanation-grid .sc-document-text-block {
  margin: 0;
}

.sc-document-learning-row {
  margin: 0.34rem 0;
  padding: 0;
  border: 0;
}

.sc-document-learning-row:last-child {
  padding-bottom: 0;
}

.sc-document-learning-label {
  display: none;
}

.sc-document-learning-copy {
  color: #000000;
  font-size: 0.95rem;
  line-height: 1.62;
}

.sc-document-learning-row.is-example,
.sc-document-learning-row.is-formula {
  border-left-color: transparent;
}

.sc-document-learning-row.is-mistake {
  border-left-color: transparent;
}

.sc-document-learning-row.is-check,
.sc-document-learning-row.is-idea {
  border-left-color: transparent;
}

.sc-document-definition-group {
  margin: 0.68rem 0 0.95rem;
}

.sc-document-definition-intro {
  margin: 0 0 0.5rem;
  color: #111111;
  font-size: 0.96rem;
  line-height: 1.58;
}

.sc-document-definition-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 0.52rem 0.82rem;
}

.sc-document-definition-card {
  min-width: 0;
  padding: 0.34rem 0.56rem 0.38rem 0.68rem;
  border-left: 1px solid rgba(17, 17, 17, 0.18);
  border-radius: 0.62rem;
  background: rgba(250, 249, 246, 0.58);
}

.sc-document-definition-card strong {
  display: block;
  margin: 0 0 0.16rem;
  color: #000000;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.28;
}

.sc-document-definition-card p {
  margin: 0;
  color: #111111;
  font-size: 0.94rem;
  line-height: 1.56;
}

.sc-document-definition-card p + p {
  margin-top: 0.24rem;
}

.sc-document-definition-example,
.sc-document-definition-clue {
  color: #333333;
  font-size: 0.9rem;
}

.sc-document-definition-example span,
.sc-document-definition-clue span {
  color: #000000;
  font-weight: 800;
}

.sc-document-text-block strong:first-child {
  display: inline;
  color: #000000;
  font-weight: 800;
}

.sc-document-line-mark {
  margin: 0.28rem 0;
  padding: 0.22rem 0.5rem 0.24rem 0.68rem;
  list-style: none;
  border-left: 1px solid rgba(17, 17, 17, 0.14);
  border-radius: 0.56rem;
  background: rgba(250, 249, 246, 0.52);
}

.sc-document-text-mark {
  margin: 0.56rem 0;
  padding: 0.34rem 0.56rem 0.36rem 0.68rem;
  border-left: 1px solid rgba(17, 17, 17, 0.14);
  border-radius: 0.62rem;
  background: rgba(250, 249, 246, 0.58);
}

.sc-document-body li.sc-document-definition-line.sc-document-reference-item,
.sc-document-body li.sc-document-definition-line.sc-document-formula-item,
.sc-document-body li.sc-document-definition-line.sc-document-example-item,
.sc-document-body li.sc-document-definition-line.sc-document-line-mark {
  padding: 0.32rem 0.56rem 0.34rem 0.68rem;
  border-left-width: 1px;
  border-left-color: rgba(169, 184, 178, 0.42);
  border-radius: 0.62rem;
  background: rgba(250, 249, 246, 0.52);
}

.sc-document-step {
  position: relative;
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  gap: 0.5rem;
  align-items: start;
  margin: 0.28rem 0;
  padding: 0.05rem 0;
  list-style: none;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.sc-document-step-num {
  display: inline-grid;
  place-items: center;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 999px;
  background: #f1f1ee;
  color: #111111;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
}

.sc-document-equation {
  display: inline;
  white-space: nowrap;
  font-family: Arial, "Times New Roman", serif;
}

.sc-document-nowrap {
  white-space: nowrap;
}

.sc-document-body sup {
  font-size: 0.72em;
  line-height: 0;
  vertical-align: super;
}

.sc-document-body sub {
  font-size: 0.72em;
  line-height: 0;
  vertical-align: sub;
}

.sc-document-vocab-row {
  display: grid;
  grid-template-columns: minmax(8.4rem, 12.5rem) minmax(0, 1fr);
  gap: 0.72rem;
  align-items: start;
  margin: 0.55rem 0;
  padding: 0.5rem 0 0.56rem;
  border: 0;
  border-top: 1px solid rgba(17, 17, 17, 0.08);
  border-bottom: 1px solid rgba(17, 17, 17, 0.05);
  border-radius: 0;
  background: transparent;
}

.sc-document-vocab-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  color: #000000;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.35;
}

.sc-document-vocab-label button {
  font-size: 0.62rem;
}

.sc-document-vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11.5rem), 1fr));
  gap: 0.22rem 0.9rem;
}

.sc-document-vocab-item {
  min-width: 0;
  color: #000000;
  font-size: 0.86rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
  padding-bottom: 0.18rem;
  border-bottom: 1px dotted rgba(17, 17, 17, 0.12);
}

.sc-document-vocab-item::before {
  content: "";
}

.sc-document-diagram summary > span:last-child {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  padding-right: 1.15rem;
}

.sc-document-diagram summary > span:first-child {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

.sc-document-diagram {
  margin: 0.82rem 0 1rem;
  border: 0;
  border-top: 1px solid #d8ddd8;
  border-bottom: 1px solid #edf0ed;
  border-radius: 0;
  background: transparent;
  overflow: hidden;
}

.sc-document-diagram summary {
  display: grid;
  grid-template-columns: minmax(5.8rem, 0.22fr) minmax(0, 1fr);
  gap: 0.72rem;
  align-items: baseline;
  min-height: 2.3rem;
  padding: 0.48rem 0;
  color: #000000;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.25;
  list-style: none;
}

.sc-document-diagram summary::-webkit-details-marker {
  display: none;
}

.sc-document-diagram summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  width: auto;
  height: auto;
  margin: 0;
  border: 0;
  color: rgba(17, 17, 17, 0.48);
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1;
}

.sc-document-diagram[open] summary {
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
}

.sc-document-diagram[open] summary::before {
  content: "-";
}

.sc-document-diagram-body {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(12rem, 0.72fr);
  gap: 0.82rem;
  align-items: center;
  padding: 0.78rem 0 0.86rem;
}

.sc-document-diagram-kicker {
  color: #43544d;
  font: 800 0.58rem/1.2 var(--sc-document-ui-font);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sc-document-diagram-media {
  min-width: 0;
}

.sc-document-diagram svg {
  display: block;
  width: 100%;
  max-width: 34rem;
  height: auto;
  margin: 0 auto;
  overflow: visible;
}

.sc-document-diagram svg .main,
.sc-document-diagram svg .axis,
.sc-document-diagram svg .mark,
.sc-document-diagram svg .grid,
.sc-document-diagram svg .dashed,
.sc-document-diagram svg rect,
.sc-document-diagram svg circle {
  fill: none;
  stroke: #000000;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sc-document-diagram svg .grid {
  stroke: #d8d8d8;
  stroke-width: 1;
}

.sc-document-diagram svg .axis {
  stroke-width: 1.6;
}

.sc-document-diagram svg .mark {
  stroke-width: 1.5;
}

.sc-document-diagram svg .dashed,
.sc-document-diagram svg .main.dashed {
  stroke-dasharray: 6 6;
}

.sc-document-diagram svg text {
  fill: #000000;
  stroke: none;
  font-family: Arial, "Times New Roman", serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

.sc-document-diagram p,
.sc-document-diagram-guide {
  max-width: 18rem;
  margin: 0;
  color: #111111;
  font-size: 0.84rem;
  line-height: 1.45;
}

.sc-document-diagram-guide {
  padding-left: 0.74rem;
  border-left: 2px solid #cfd6d1;
}

.sc-document-image .sc-document-diagram-body {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.sc-document-image figure {
  max-width: 38rem;
  margin: 0 auto;
}

.sc-document-image img {
  display: block;
  width: 100%;
  max-height: 28rem;
  object-fit: contain;
  border: 1px solid #d8ddd8;
  border-radius: 0.36rem;
  background: #f7f8f6;
}

.sc-document-image figcaption {
  margin-top: 0.55rem;
  color: #111111;
  font-size: 0.85rem;
  line-height: 1.45;
}

.sc-document-image .sc-document-image-focus {
  margin-top: 0.6rem;
  padding: 0.52rem 0.62rem;
  border-left: 3px solid #111111;
  background: #f2f4f1;
  color: #000000;
  font-size: 0.84rem;
  line-height: 1.42;
}

.sc-document-image .sc-document-image-focus strong {
  font-weight: 800;
}

.sc-document-image .sc-document-image-credit {
  max-width: 38rem;
  color: #4d5650;
  font-size: 0.72rem;
  line-height: 1.35;
}

.sc-document-image .sc-document-image-credit a {
  color: #000000;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.sc-document-ink-panel {
  position: fixed;
  z-index: 30;
  right: 1rem;
  top: 6rem;
  display: grid;
  justify-items: end;
  gap: 0.45rem;
  pointer-events: none;
}

.sc-document-ink-toggle,
.sc-document-ink-tools button {
  pointer-events: auto;
}

.sc-document-ink-toggle {
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid #b9b9b9;
  border-radius: 999px;
  background: #ffffff;
  color: #111111;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12);
  cursor: pointer;
}

.sc-document-ink-toggle .material-symbols-outlined {
  font-size: 1.18rem;
}

.sc-document-ink-panel.is-open .sc-document-ink-toggle {
  background: #111111;
  color: #ffffff;
}

.sc-document-ink-tools {
  pointer-events: auto;
  width: min(15rem, calc(100vw - 2rem));
  padding: 0.72rem;
  border: 1px solid #cfcfcf;
  border-radius: 0.4rem;
  background: #ffffff;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.16);
  color: #111111;
}

.sc-document-ink-tools[hidden] {
  display: none;
}

.sc-document-ink-tools-title {
  margin: 0 0 0.5rem;
  color: #000000;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.sc-document-ink-tool-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem;
  margin-bottom: 0.55rem;
}

.sc-document-ink-tool-row button,
.sc-document-ink-clear {
  min-height: 2rem;
  border: 1px solid #bbbbbb;
  border-radius: 0.18rem;
  background: #ffffff;
  color: #000000;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
}

.sc-document-ink-tool-row button.is-active {
  background: #111111;
  border-color: #111111;
  color: #ffffff;
}

.sc-document-ink-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.36rem;
  margin-bottom: 0.55rem;
}

.sc-document-ink-colors button {
  width: 1.55rem;
  height: 1.55rem;
  border: 1px solid #a8a8a8;
  border-radius: 999px;
  background: var(--ink-color);
  cursor: pointer;
}

.sc-document-ink-colors button.is-active {
  outline: 2px solid #111111;
  outline-offset: 2px;
}

.sc-document-ink-tools p {
  margin: 0 0 0.6rem;
  color: #333333;
  font-size: 0.74rem;
  line-height: 1.4;
}

.sc-document-ink-clear {
  width: 100%;
}

.sc-document-ink-canvas {
  position: absolute;
  inset: 0;
  z-index: 5;
  width: 100%;
  height: 100%;
  background: transparent !important;
  contain: paint;
  pointer-events: none;
  touch-action: auto;
}

.sc-document-ink-canvas.is-active {
  cursor: crosshair;
}

.sc-document-ink-tile {
  position: absolute;
  left: 0;
  z-index: 0;
  display: block;
  max-width: none;
  background: transparent !important;
  contain: strict;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.sc-document-ink-live-canvas {
  position: fixed;
  inset: 0;
  z-index: 60;
  width: 100vw;
  height: 100vh;
  background: transparent !important;
  contain: strict;
  mix-blend-mode: multiply;
  pointer-events: none;
  touch-action: none;
  opacity: 0;
}

.sc-document-ink-live-canvas.is-drawing {
  opacity: 1;
}

.sc-document-highlight {
  background: #fff2a8;
  color: #000000;
  padding: 0 0.08rem;
}

.sc-document-annotation-toolbar {
  position: absolute;
  z-index: 20;
  padding: 0.2rem;
  border: 1px solid #999999;
  border-radius: 0.2rem;
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.14);
}

.sc-document-annotation-toolbar[hidden] {
  display: none;
}

.sc-document-annotation-toolbar button,
.sc-document-annotations button {
  border: 1px solid #bbbbbb;
  border-radius: 0.12rem;
  background: #ffffff;
  color: #000000;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.2;
  padding: 0.36rem 0.58rem;
}

.sc-document-annotation-toolbar button:hover,
.sc-document-annotations button:hover {
  background: #f2f2f2;
}

.sc-document-annotations {
  margin: 2rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--doc-line);
}

.sc-document-annotations-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.35rem;
}

.sc-document-annotations h2 {
  margin: 0;
  color: #000000;
  font-family: Arial, "Times New Roman", serif;
  font-size: 1.08rem;
  line-height: 1.25;
}

.sc-document-annotations-help,
.sc-document-annotation-empty {
  color: #333333;
  font-size: 0.86rem;
  line-height: 1.45;
  margin: 0.3rem 0 0.75rem;
}

.sc-document-annotation {
  margin: 0.75rem 0 0;
  padding: 0.72rem 0;
  border-top: 1px solid #eeeeee;
}

.sc-document-annotation blockquote {
  margin: 0 0 0.35rem;
  padding-left: 0.65rem;
  border-left: 3px solid #d6c460;
  color: #111111;
  font-size: 0.85rem;
  line-height: 1.45;
}

.sc-document-annotation p {
  margin: 0 0 0.45rem;
  color: #000000;
  font-size: 0.92rem;
  line-height: 1.5;
}

.sc-document-loading {
  min-height: 70vh;
  display: grid;
  place-items: center;
  color: #000000;
  text-align: center;
  font-size: 0.92rem;
  font-weight: 700;
}

.sc-document-loading .material-symbols-outlined {
  display: none;
}

.sc-document-source-frame {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  left: -9999px;
  top: -9999px;
}

@media print {
  .sc-document-shell {
    display: block;
    width: auto;
    min-height: 0;
    padding: 0;
  }

  .sc-document-paper {
    min-height: 0;
    padding: 0;
  }

  .sc-document-ink-panel,
  .sc-document-ink-canvas,
  .sc-document-study-margin,
  .sc-document-translate-panel,
  .sc-document-outline,
  .sc-document-actions {
    display: none;
  }
}

@media (min-width: 1181px) {
  .sc-document-annotations {
    display: none;
  }
}

@media (min-width: 761px) {
  body.sc-split-screen-active .sc-document-shell,
  body.sc-document-split-compact .sc-document-shell {
    display: block !important;
    grid-template-columns: none !important;
    width: 100% !important;
    max-width: none !important;
    padding: 1.2rem 1rem 2rem;
  }

  body.sc-split-screen-active .sc-document-paper,
  body.sc-document-split-compact .sc-document-paper {
    min-height: 0;
    padding: 0;
  }

  body.sc-split-screen-active .sc-document-outline,
  body.sc-document-split-compact .sc-document-outline {
    position: static;
    max-height: none;
    margin: 0 0 1rem;
    padding: 0.65rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--doc-line);
  }

  body.sc-split-screen-active .sc-document-outline-links,
  body.sc-document-split-compact .sc-document-outline-links {
    display: flex;
    gap: 0.4rem;
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  body.sc-split-screen-active .sc-document-outline-link,
  body.sc-document-split-compact .sc-document-outline-link {
    flex: 0 0 auto;
    max-width: 12rem;
    scroll-snap-align: start;
  }

  body.sc-split-screen-active .sc-document-outline-link.is-h3,
  body.sc-document-split-compact .sc-document-outline-link.is-h3 {
    display: none;
  }

  body.sc-split-screen-active .sc-document-study-margin,
  body.sc-document-split-compact .sc-document-study-margin {
    position: static;
    display: block;
    max-height: none;
    margin: 1rem 0;
    padding: 0;
    border-left: 0;
  }

  body.sc-split-screen-active .sc-document-study-margin > .sc-document-margin-header,
  body.sc-split-screen-active .sc-document-study-margin > .sc-document-margin-tabs,
  body.sc-split-screen-active .sc-document-study-margin > .sc-document-margin-pane,
  body.sc-document-split-compact .sc-document-study-margin > .sc-document-margin-header,
  body.sc-document-split-compact .sc-document-study-margin > .sc-document-margin-tabs,
  body.sc-document-split-compact .sc-document-study-margin > .sc-document-margin-pane {
    display: none;
  }
}

@media (max-width: 1180px) {
  .sc-document-shell {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 1.2rem 1rem 2rem;
  }

  .sc-document-paper {
    order: 1;
    min-height: 0;
    padding: 0;
  }

  .sc-document-outline {
    order: 2;
    position: static;
    max-height: none;
    margin: 0 0 1rem;
    padding: 0.65rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--doc-line);
  }

  .sc-document-outline-links {
    display: flex;
    gap: 0.4rem;
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  .sc-document-outline-link {
    flex: 0 0 auto;
    max-width: 12rem;
    scroll-snap-align: start;
  }

  .sc-document-outline-link.is-h3 {
    display: none;
  }

  .sc-document-study-margin {
    order: 3;
    position: static;
    display: block;
    max-height: none;
    margin: 1rem 0;
    padding: 0;
    border-left: 0;
  }

  .sc-document-command-area {
    grid-template-columns: 1fr;
  }

  .sc-document-command-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .sc-document-page {
    width: 100%;
    max-width: 100vw;
    overflow-x: clip;
  }

  .sc-document-shell {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100vw;
    padding: 1rem 1rem 2rem;
    overflow-x: clip;
    box-sizing: border-box;
  }

  .sc-document-paper {
    order: 1;
    width: 100%;
    max-width: 100%;
    min-height: 0;
    padding: 0;
    overflow-x: clip;
  }

  .sc-document-body,
  .sc-document-body > *,
  .sc-document-topic,
  .sc-document-unit {
    max-width: 100%;
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .sc-document-body :where(img, svg, canvas, iframe, table, pre, code, .sc-document-diagram, .sc-document-image-card, .sc-document-command-area) {
    max-width: 100%;
  }

  .sc-document-body :where(table, pre, .sc-document-diagram) {
    overflow-x: auto;
    overscroll-behavior-x: contain;
  }

  .sc-document-outline {
    order: 2;
    position: static;
    max-height: none;
    margin: 0 0 1rem;
    padding: 0.65rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--doc-line);
  }

  .sc-document-outline {
    display: grid;
    gap: 0.52rem;
  }

  .sc-document-outline-title {
    margin: 0 0.25rem 0 0;
  }

  .sc-document-outline-search {
    margin: 0;
  }

  .sc-document-outline-links {
    display: flex;
    max-width: 100%;
    gap: 0.4rem;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
  }

  .sc-document-outline-link {
    flex: 0 0 auto;
    max-width: 12rem;
    scroll-snap-align: start;
    font-size: 0.76rem;
  }

  .sc-document-outline-link.is-h3 {
    display: none;
  }

  .sc-document-title {
    font-size: 1.35rem;
  }

  .sc-document-command-area {
    margin-top: 0.85rem;
    padding: 0.64rem;
    border-radius: 0.58rem;
  }

  .sc-document-command-main {
    min-height: 4.5rem;
  }

  .sc-document-command-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sc-document-command-grid button {
    min-height: 2.32rem;
    padding: 0.44rem 0.48rem;
    font-size: 0.72rem;
  }

  .sc-document-actions {
    gap: 0.38rem;
  }

  .sc-document-action,
  .sc-document-action.is-primary {
    flex: 1 1 calc(50% - 0.4rem);
    min-width: 8.4rem;
  }

  .sc-document-panel-toggle {
    top: auto;
    bottom: calc(var(--sc-mobile-bottom-nav-height, 4.25rem) + env(safe-area-inset-bottom, 0px) + 0.85rem);
    width: 44px;
    height: 44px;
    z-index: 88;
  }

  .sc-document-panel-toggle.is-left {
    left: max(0.62rem, env(safe-area-inset-left, 0px));
  }

  .sc-document-panel-toggle.is-right {
    right: max(0.62rem, env(safe-area-inset-right, 0px));
  }

  .sc-document-body p,
  .sc-document-body li {
    font-size: 0.92rem;
  }

  .sc-document-body ul.sc-document-sequence-list {
    grid-template-columns: 1fr;
  }

  .sc-document-body li.sc-document-definition-line.is-expanded {
    grid-template-columns: 1fr;
    gap: 0.18rem;
  }

  .sc-document-body ul.sc-document-mistake-list,
  .sc-document-body ul.sc-document-example-list,
  .sc-document-body ul.sc-document-formula-list,
  .sc-document-body ul.sc-document-reference-list {
    grid-template-columns: 1fr;
  }

  .sc-document-topic {
    padding: 0.52rem 0 0.44rem;
  }

  .sc-document-topic-head {
    align-items: stretch;
    flex-direction: column;
    gap: 0.5rem;
  }

  .sc-document-unit-head {
    align-items: stretch;
    flex-direction: row;
    gap: 0.48rem;
  }

  .sc-document-unit-overview {
    padding: 0.58rem 0;
  }

  .sc-document-full-marks-standard {
    grid-template-columns: 1fr;
    gap: 0.32rem;
  }

  .sc-document-topic-tools {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.38rem;
  }

  .sc-document-clarify-trigger,
  .sc-document-practice-trigger,
  .sc-document-cards-trigger,
  .sc-document-summary-trigger,
  .sc-document-vocab-label button {
    justify-content: center;
    font-size: 0.7rem;
  }

  .sc-document-practice-head {
    flex-direction: column;
    gap: 0.55rem;
  }

  .sc-document-practice-head button,
  .sc-document-practice-actions button {
    width: 100%;
  }

  .sc-document-practice-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 0.38rem;
  }

  .sc-document-clarify-panel dl > div {
    grid-template-columns: 1fr;
    gap: 0.18rem;
  }

  .sc-document-summary-notes > div {
    grid-template-columns: 1fr;
    gap: 0.22rem;
  }

  .sc-document-learning-row,
  .sc-document-diagram summary {
    grid-template-columns: 1fr;
    gap: 0.18rem;
  }

  .sc-document-diagram summary::before {
    grid-column: 1;
    justify-self: end;
  }

  .sc-document-diagram summary > span:last-child {
    grid-column: 1;
    grid-row: 2;
    padding-right: 1.15rem;
  }

  .sc-document-diagram summary > span:first-child {
    grid-column: 1;
    grid-row: 1;
  }

  .sc-document-diagram-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.58rem;
  }

  .sc-document-diagram p,
  .sc-document-diagram-guide {
    max-width: none;
  }

  .sc-document-body li.sc-document-mistake-item {
    grid-template-columns: 1fr;
    gap: 0.12rem;
  }

  .sc-document-body li.sc-document-example-item,
  .sc-document-body li.sc-document-formula-item {
    grid-template-columns: 1fr;
    gap: 0.12rem;
  }

  .sc-document-vocab-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .sc-document-vocab-grid {
    grid-template-columns: 1fr;
  }

  .sc-document-study-margin {
    order: 3;
    margin: 1rem 0 calc(var(--sc-mobile-bottom-nav-height, 4.25rem) + env(safe-area-inset-bottom, 0px) + 1rem);
    padding: 0.85rem 0 0;
    border: 0;
    border-top: 1px solid rgba(17, 17, 17, 0.12);
    border-radius: 0;
    background: transparent;
  }

  .sc-document-margin-tabs {
    display: flex;
    gap: 0.2rem 0.62rem;
    overflow-x: auto;
    padding-bottom: 0.55rem;
  }

  .sc-document-margin-tabs button {
    flex: 0 0 auto;
    min-height: 0;
    font-size: 0.62rem;
  }

  .sc-document-ink-canvas {
    max-width: 100%;
  }

  .sc-document-ink-panel {
    top: auto;
    right: max(0.62rem, env(safe-area-inset-right, 0px));
    bottom: calc(var(--sc-mobile-bottom-nav-height, 4.25rem) + env(safe-area-inset-bottom, 0px) + 4rem);
    max-width: calc(100vw - 1.24rem);
  }

  .sc-document-translate-panel {
    margin: 0.75rem 0 1rem;
    padding: 0.62rem;
  }

  .sc-document-translate-actions {
    grid-template-columns: 1fr;
  }

  .sc-document-translate-output dl > div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

/* Reading-first document experience — Academic Ecosystem rework */
:root {
  --sc-doc-brand: #075f4e;
  --sc-doc-brand-strong: #06483c;
  --sc-doc-brand-soft: #e8f2ee;
  --sc-doc-paper: #fffefa;
  --sc-doc-canvas: #f3f7f4;
  --sc-doc-text: #18231f;
  --sc-doc-subtle: #61716a;
  --sc-doc-border: #dce6e1;
  --sc-doc-warm: #c98316;
}

html,
body {
  background: var(--sc-doc-canvas);
  color: var(--sc-doc-text);
  font-family: Inter, Arial, sans-serif;
}

.sc-document-page {
  background:
    radial-gradient(circle at 54% -18%, rgba(60, 151, 120, 0.09), transparent 30rem),
    var(--sc-doc-canvas);
}

.sc-document-shell {
  --sc-reader-size-step: 0;
  --sc-reader-width: 48rem;
  display: grid;
  grid-template-areas: "outline paper study";
  grid-template-columns: clamp(13.5rem, 17vw, 16rem) minmax(34rem, var(--sc-reader-width)) clamp(18rem, 23vw, 21.5rem);
  justify-content: center;
  gap: clamp(1rem, 1.7vw, 1.65rem);
  min-height: 100vh;
  padding: 1.1rem clamp(1rem, 2vw, 1.75rem) 5rem;
  background: transparent;
}

.sc-document-paper {
  width: 100%;
  max-width: var(--sc-reader-width);
  min-height: calc(100vh - 2.2rem);
  margin: 0 auto;
  padding: 0 clamp(1.65rem, 4vw, 3.2rem) 4.5rem;
  border: 1px solid rgba(7, 95, 78, 0.09);
  border-radius: 1.1rem;
  background: var(--sc-doc-paper);
  box-shadow: 0 1.2rem 4rem rgba(24, 54, 44, 0.08);
}

.sc-document-progress {
  position: sticky;
  top: 0;
  z-index: 14;
  margin: 0 calc(clamp(1.65rem, 4vw, 3.2rem) * -1) 0;
  padding: 0.78rem clamp(1.65rem, 4vw, 3.2rem) 0.72rem;
  border-radius: 1.1rem 1.1rem 0 0;
  background: color-mix(in srgb, var(--sc-doc-paper) 93%, transparent);
  box-shadow: 0 1px 0 rgba(7, 95, 78, 0.08);
  backdrop-filter: blur(14px);
}

.sc-document-progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.45rem;
  color: var(--sc-doc-subtle);
  font: 700 0.67rem/1.2 "Plus Jakarta Sans", sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sc-document-progress-track {
  height: 0.3rem;
  overflow: hidden;
  border-radius: 999px;
  background: #e8ece9;
}

.sc-document-progress-track > span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--sc-doc-brand);
  transition: width 180ms ease;
}

.sc-document-outline,
.sc-document-study-margin {
  top: 1rem;
  max-height: calc(100vh - 2rem);
  border: 1px solid var(--sc-doc-border);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0.8rem 2.2rem rgba(24, 54, 44, 0.055);
  backdrop-filter: blur(16px);
}

.sc-document-outline {
  padding: 1.15rem 0.9rem 1.25rem;
  border-right: 1px solid var(--sc-doc-border);
}

.sc-document-outline-title {
  margin-bottom: 0.85rem;
  color: var(--sc-doc-text);
  font: 800 0.82rem/1.2 "Plus Jakarta Sans", sans-serif;
  letter-spacing: 0;
  text-transform: none;
}

.sc-document-outline-search span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.sc-document-outline-search input {
  border-color: var(--sc-doc-border);
  border-radius: 0.58rem;
  background: #fff;
  color: var(--sc-doc-text);
  font: 500 0.78rem/1.3 Inter, sans-serif;
  padding: 0.62rem 0.68rem;
}

.sc-document-outline-links {
  padding-right: 0.15rem;
}

.sc-document-outline-link {
  margin: 0.08rem 0;
  padding: 0.42rem 0.52rem;
  border-radius: 0.48rem;
  color: #26342f;
  font: 600 0.76rem/1.35 Inter, sans-serif;
}

.sc-document-outline-link.is-h3 {
  padding-left: 1.15rem;
  color: #65736e;
  font-size: 0.71rem;
  font-weight: 500;
}

.sc-document-outline-link:hover {
  background: #f0f6f3;
}

.sc-document-outline-link.is-active {
  background: var(--sc-doc-brand-soft);
  color: var(--sc-doc-brand-strong);
  font-weight: 800;
  box-shadow: inset 0.2rem 0 0 var(--sc-doc-brand);
}

.sc-document-study-margin {
  padding: 1.05rem 1rem 1.25rem;
  border-left: 1px solid var(--sc-doc-border);
  color: var(--sc-doc-text);
  font-family: Inter, sans-serif;
}

.sc-document-margin-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.85rem;
  border-color: var(--sc-doc-border);
}

.sc-document-margin-heading {
  display: flex;
  min-width: 0;
  gap: 0.68rem;
  align-items: center;
}

.sc-document-margin-icon {
  display: inline-grid;
  flex: 0 0 auto;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border-radius: 999px;
  background: var(--sc-doc-brand-soft);
  color: var(--sc-doc-brand);
  font-size: 1.1rem;
}

.sc-document-margin-label {
  color: var(--sc-doc-brand);
  font: 800 0.66rem/1.2 "Plus Jakarta Sans", sans-serif;
}

.sc-document-margin-header p {
  max-width: 13rem;
  overflow: hidden;
  color: var(--sc-doc-text);
  font-size: 0.78rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sc-document-margin-close {
  display: inline-grid;
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--sc-doc-subtle);
  cursor: pointer;
}

.sc-document-margin-close:hover,
.sc-document-margin-close:focus-visible {
  background: var(--sc-doc-brand-soft);
  color: var(--sc-doc-brand);
}

.sc-document-margin-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-bottom: 1rem;
  padding: 0;
  border-bottom: 1px solid var(--sc-doc-border);
}

.sc-document-margin-tabs button {
  position: relative;
  min-width: 0;
  padding: 0.52rem 0.15rem 0.62rem;
  color: var(--sc-doc-subtle);
  font: 700 0.68rem/1.2 Inter, sans-serif;
  text-align: center;
}

.sc-document-margin-tabs button.is-active {
  color: var(--sc-doc-brand);
}

.sc-document-margin-tabs button.is-active::after {
  content: "";
  position: absolute;
  right: 0.25rem;
  bottom: -1px;
  left: 0.25rem;
  height: 2px;
  border-radius: 999px 999px 0 0;
  background: var(--sc-doc-brand);
}

.sc-document-overview-card {
  padding: 0.85rem;
  border: 1px solid var(--sc-doc-border);
  border-radius: 0.72rem;
  background: #fbfdfc;
}

.sc-document-overview-card > strong {
  color: var(--sc-doc-text);
  font: 800 0.82rem/1.25 "Plus Jakarta Sans", sans-serif;
}

.sc-document-overview-card > p {
  margin: 0.45rem 0 0.8rem;
  color: var(--sc-doc-subtle);
  font-size: 0.78rem;
  line-height: 1.55;
}

.sc-document-overview-card dl,
.sc-document-overview-card dl > div {
  margin: 0;
}

.sc-document-overview-card dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.48rem 0;
  border-top: 1px solid var(--sc-doc-border);
  font-size: 0.72rem;
}

.sc-document-overview-card dt {
  color: var(--sc-doc-subtle);
}

.sc-document-overview-card dd {
  margin: 0;
  color: var(--sc-doc-text);
  font-weight: 800;
}

.sc-document-margin-study-list {
  margin-top: 0.8rem;
}

.sc-document-study-card,
.sc-document-unit-idea-card {
  border-color: var(--sc-doc-border);
  border-radius: 0.65rem;
  background: #fff;
  box-shadow: none;
}

.sc-document-note-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
  color: var(--sc-doc-subtle);
  font-size: 0.72rem;
  font-weight: 700;
}

.sc-document-note-actions button {
  border: 0;
  background: transparent;
  color: var(--sc-doc-brand);
  cursor: pointer;
  font: inherit;
}

.sc-document-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1.35rem;
  color: var(--sc-doc-subtle);
  font: 600 0.75rem/1.3 Inter, sans-serif;
}

.sc-document-breadcrumb a {
  color: var(--sc-doc-brand);
  text-decoration: none;
}

.sc-document-header {
  margin: 0;
  padding: clamp(2rem, 5vw, 3.2rem) 0 2rem;
  border-bottom: 1px solid var(--sc-doc-border);
}

.sc-document-header-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
  margin-bottom: 0.65rem;
  color: var(--sc-doc-subtle);
  font: 800 0.68rem/1.2 "Plus Jakarta Sans", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sc-document-header-meta span + span::before {
  content: "·";
  margin-right: 0.9rem;
  color: #a0aca7;
}

.sc-document-title-row {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.2rem;
}

.sc-document-title {
  max-width: 42rem;
  color: var(--sc-doc-text);
  font: 800 clamp(2rem, 4.3vw, 3.2rem)/1.08 "Plus Jakarta Sans", sans-serif;
  letter-spacing: -0.045em;
}

.sc-document-summary {
  max-width: 44rem;
  margin-top: 0.85rem;
  color: #43534d;
  font: 400 calc(1rem + var(--sc-reader-size-step) * 0.03rem)/1.7 Inter, sans-serif;
}

.sc-document-quality-badges {
  margin-top: 1rem;
  border-color: rgba(7, 95, 78, 0.16);
  background: var(--sc-doc-brand-soft);
  color: var(--sc-doc-brand-strong);
}

.sc-document-quality-primary::before {
  background: var(--sc-doc-brand);
}

.sc-document-primary-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.35rem;
}

.sc-document-continue,
.sc-document-open-study,
.sc-document-reader-menu > summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 2.55rem;
  padding: 0.62rem 0.85rem;
  border: 1px solid var(--sc-doc-border);
  border-radius: 0.58rem;
  background: #fff;
  color: var(--sc-doc-brand-strong);
  cursor: pointer;
  font: 800 0.76rem/1.2 "Plus Jakarta Sans", sans-serif;
  text-decoration: none;
}

.sc-document-continue {
  border-color: var(--sc-doc-brand);
  background: var(--sc-doc-brand);
  color: #fff;
}

.sc-document-continue:hover,
.sc-document-open-study:hover,
.sc-document-reader-menu > summary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0.5rem 1.2rem rgba(7, 95, 78, 0.1);
}

.sc-document-reader-menu,
.sc-document-more-menu,
.sc-document-study-menu {
  position: relative;
}

.sc-document-reader-menu > summary,
.sc-document-more-menu > summary,
.sc-document-study-menu > summary {
  list-style: none;
}

.sc-document-reader-menu > summary::-webkit-details-marker,
.sc-document-more-menu > summary::-webkit-details-marker,
.sc-document-study-menu > summary::-webkit-details-marker {
  display: none;
}

.sc-document-more-menu > summary {
  display: inline-grid;
  width: 2.55rem;
  height: 2.55rem;
  place-items: center;
  border: 1px solid var(--sc-doc-border);
  border-radius: 0.58rem;
  background: #fff;
  color: var(--sc-doc-subtle);
  cursor: pointer;
}

.sc-document-more-popover,
.sc-document-reader-popover,
.sc-document-study-menu-popover {
  position: absolute;
  z-index: 30;
  display: grid;
  min-width: 13rem;
  padding: 0.42rem;
  border: 1px solid var(--sc-doc-border);
  border-radius: 0.68rem;
  background: #fff;
  box-shadow: 0 1rem 2.8rem rgba(24, 54, 44, 0.16);
}

.sc-document-more-popover,
.sc-document-reader-popover {
  top: calc(100% + 0.45rem);
  right: 0;
}

.sc-document-more-popover a,
.sc-document-more-popover button,
.sc-document-reader-popover > button {
  padding: 0.62rem 0.68rem;
  border: 0;
  border-radius: 0.42rem;
  background: transparent;
  color: var(--sc-doc-text);
  cursor: pointer;
  font: 650 0.75rem/1.25 Inter, sans-serif;
  text-align: left;
  text-decoration: none;
}

.sc-document-more-popover a:hover,
.sc-document-more-popover button:hover,
.sc-document-reader-popover > button:hover {
  background: var(--sc-doc-brand-soft);
  color: var(--sc-doc-brand-strong);
}

.sc-document-reader-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.48rem 0.62rem;
  color: var(--sc-doc-subtle);
  font-size: 0.72rem;
  font-weight: 700;
}

.sc-document-reader-row button {
  min-width: 2rem;
  min-height: 2rem;
  border: 1px solid var(--sc-doc-border);
  background: #fff;
  color: var(--sc-doc-brand);
  cursor: pointer;
  font-weight: 800;
}

.sc-document-export-status,
.sc-document-protection-notice {
  margin-top: 0.75rem;
}

.sc-document-body {
  max-width: 100%;
  color: var(--sc-doc-text);
  background: transparent;
  font-family: Inter, Arial, sans-serif;
  font-size: calc(1.04rem + var(--sc-reader-size-step) * 0.04rem);
  line-height: 1.74;
}

.sc-document-paper,
.sc-document-body,
.sc-document-body h2,
.sc-document-body h3,
.sc-document-body p,
.sc-document-body li,
.sc-document-body span {
  color: var(--sc-doc-text);
}

.sc-document-unit {
  margin-top: 2.6rem;
  padding-top: 0;
  border: 0;
  border-top: 1px solid var(--sc-doc-border);
  border-bottom: 0;
  background: transparent;
  scroll-margin-top: 5rem;
}

.sc-document-unit-head {
  padding: 1.75rem 0 1.05rem;
}

.sc-document-unit-label {
  margin-bottom: 0.4rem;
  color: var(--sc-doc-brand);
  font: 800 0.68rem/1.2 "Plus Jakarta Sans", sans-serif;
  letter-spacing: 0.09em;
}

.sc-document-body h2 {
  color: var(--sc-doc-text);
  font: 800 clamp(1.55rem, 3vw, 2.05rem)/1.18 "Plus Jakarta Sans", sans-serif;
  letter-spacing: -0.025em;
}

.sc-document-body h3 {
  color: var(--sc-doc-text);
  font: 800 clamp(1.15rem, 2.2vw, 1.38rem)/1.28 "Plus Jakarta Sans", sans-serif;
  letter-spacing: -0.015em;
  scroll-margin-top: 5rem;
}

.sc-document-unit-overview {
  padding: 1rem 1.05rem;
  border: 1px solid var(--sc-doc-border);
  border-radius: 0.75rem;
  background: #f8fbf9;
}

.sc-document-unit-outcomes,
.sc-document-full-marks-standard,
.sc-document-unit-practice {
  border-color: var(--sc-doc-border);
  border-radius: 0.62rem;
  background: #fff;
}

.sc-document-topic {
  margin: 1.65rem 0;
  padding: 1.2rem 0 0;
  border-top: 1px solid rgba(7, 95, 78, 0.1);
  scroll-margin-top: 5rem;
}

.sc-document-topic-head {
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.65rem;
}

.sc-document-topic-tools {
  position: relative;
}

.sc-document-study-menu > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.34rem;
  min-height: 2.2rem;
  padding: 0.48rem 0.62rem;
  border: 1px solid rgba(7, 95, 78, 0.2);
  border-radius: 0.52rem;
  background: var(--sc-doc-brand-soft);
  color: var(--sc-doc-brand-strong);
  cursor: pointer;
  font: 800 0.7rem/1.15 "Plus Jakarta Sans", sans-serif;
  white-space: nowrap;
}

.sc-document-study-menu > summary .material-symbols-outlined {
  font-size: 1rem;
}

.sc-document-study-menu > summary .is-chevron {
  transition: transform 160ms ease;
}

.sc-document-study-menu[open] > summary .is-chevron {
  transform: rotate(180deg);
}

.sc-document-study-menu-popover {
  top: calc(100% + 0.4rem);
  right: 0;
}

.sc-document-study-menu-popover .sc-document-clarify-trigger,
.sc-document-study-menu-popover .sc-document-practice-trigger,
.sc-document-study-menu-popover .sc-document-cards-trigger {
  width: 100%;
  min-height: 2.35rem;
  justify-content: flex-start;
  margin: 0;
  padding: 0.58rem 0.65rem;
  border: 0;
  border-radius: 0.42rem;
  background: transparent;
  color: var(--sc-doc-text);
  font: 700 0.75rem/1.2 Inter, sans-serif;
}

.sc-document-study-menu-popover .sc-document-clarify-trigger:hover,
.sc-document-study-menu-popover .sc-document-practice-trigger:hover,
.sc-document-study-menu-popover .sc-document-cards-trigger:hover {
  background: var(--sc-doc-brand-soft);
  color: var(--sc-doc-brand);
  transform: none;
}

.sc-document-unit-action-row {
  margin-top: 0.75rem;
}

.sc-document-topic-navigation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.7rem;
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid var(--sc-doc-border);
}

.sc-document-topic-navigation > a {
  display: grid;
  gap: 0.22rem;
  min-width: 0;
  padding: 0.7rem 0.78rem;
  border: 1px solid var(--sc-doc-border);
  border-radius: 0.58rem;
  background: #fff;
  color: var(--sc-doc-text);
  text-decoration: none;
}

.sc-document-topic-navigation > a.is-next {
  text-align: right;
}

.sc-document-topic-navigation > a:hover,
.sc-document-topic-navigation > a:focus-visible {
  border-color: rgba(7, 95, 78, 0.35);
  background: var(--sc-doc-brand-soft);
}

.sc-document-topic-navigation span {
  color: var(--sc-doc-brand);
  font: 800 0.63rem/1.2 "Plus Jakarta Sans", sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sc-document-topic-navigation strong {
  overflow: hidden;
  font: 750 0.75rem/1.3 Inter, sans-serif;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sc-document-summary-trigger {
  border-radius: 0.5rem;
  background: #fff;
  color: var(--sc-doc-brand);
}

.sc-document-section-summary-panel,
.sc-document-clarify-panel,
.sc-document-practice-panel {
  border-color: var(--sc-doc-border);
  border-left-color: var(--sc-doc-brand);
  border-radius: 0.72rem;
  background: #f8fbf9;
}

.sc-document-definition-card,
.sc-document-diagram,
.sc-document-body ul.sc-document-mistake-list,
.sc-document-body ul.sc-document-example-list,
.sc-document-body ul.sc-document-formula-list,
.sc-document-body ul.sc-document-reference-list {
  border-radius: 0.7rem;
}

.sc-document-panel-toggle {
  top: 4.5rem;
  border-color: var(--sc-doc-border);
  background: rgba(255, 255, 255, 0.96);
  color: var(--sc-doc-brand);
}

.sc-document-ink-toggle {
  border-color: var(--sc-doc-brand);
  background: var(--sc-doc-brand);
  color: #fff;
}

body.sc-document-reader-focused .sc-document-shell {
  --sc-reader-width: 42rem;
}

body.sc-document-reader-warm,
body.sc-document-reader-warm .sc-document-page {
  --sc-doc-paper: #fbf7ed;
  --sc-doc-canvas: #eee8dc;
}

body.sc-document-outline-collapsed:not(.sc-document-study-collapsed) .sc-document-shell {
  grid-template-areas: "paper study";
  grid-template-columns: minmax(34rem, var(--sc-reader-width)) clamp(18rem, 23vw, 21.5rem);
  justify-content: center;
}

body.sc-document-study-collapsed:not(.sc-document-outline-collapsed) .sc-document-shell {
  grid-template-areas: "outline paper";
  grid-template-columns: clamp(13.5rem, 17vw, 16rem) minmax(34rem, var(--sc-reader-width));
  justify-content: center;
}

body.sc-document-sidebars-collapsed .sc-document-shell {
  grid-template-areas: "paper" !important;
  grid-template-columns: minmax(34rem, var(--sc-reader-width)) !important;
  justify-content: center;
  padding: 1.1rem clamp(1rem, 2vw, 1.75rem) 5rem !important;
}

body.sc-document-sidebars-collapsed .sc-document-paper {
  max-width: var(--sc-reader-width);
  margin: 0 auto;
  padding-inline: clamp(1.65rem, 4vw, 3.2rem) !important;
}

@media (max-width: 1180px) {
  .sc-document-shell,
  body.sc-document-outline-collapsed:not(.sc-document-study-collapsed) .sc-document-shell,
  body.sc-document-study-collapsed:not(.sc-document-outline-collapsed) .sc-document-shell,
  body.sc-document-sidebars-collapsed .sc-document-shell {
    display: block !important;
    width: 100% !important;
    max-width: none !important;
    padding: 1rem 1rem 4.5rem !important;
  }

  .sc-document-paper,
  body.sc-document-sidebars-collapsed .sc-document-paper {
    width: min(100%, var(--sc-reader-width));
    max-width: var(--sc-reader-width);
    margin: 0 auto;
  }

  .sc-document-outline,
  .sc-document-study-margin {
    position: fixed;
    top: 1rem;
    bottom: 1rem;
    z-index: 110;
    display: block;
    width: min(21rem, calc(100vw - 2rem));
    max-height: none;
    margin: 0;
    overflow: auto;
    box-shadow: 0 1.4rem 4.5rem rgba(18, 41, 34, 0.24);
  }

  .sc-document-outline {
    left: 1rem;
  }

  .sc-document-study-margin {
    right: 1rem;
  }

  .sc-document-panel-toggle.is-left {
    left: 1rem;
  }

  .sc-document-panel-toggle.is-right {
    right: 1rem;
  }
}

@media (max-width: 767px) {
  .sc-document-shell,
  body.sc-document-outline-collapsed:not(.sc-document-study-collapsed) .sc-document-shell,
  body.sc-document-study-collapsed:not(.sc-document-outline-collapsed) .sc-document-shell,
  body.sc-document-sidebars-collapsed .sc-document-shell {
    padding: 0.65rem 0.62rem calc(6.2rem + env(safe-area-inset-bottom, 0px)) !important;
  }

  .sc-document-paper,
  body.sc-document-sidebars-collapsed .sc-document-paper {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 1rem 3.5rem !important;
    border-radius: 0.9rem;
  }

  .sc-document-progress {
    margin-inline: -1rem;
    padding-inline: 1rem;
    border-radius: 0.9rem 0.9rem 0 0;
  }

  .sc-document-header {
    padding-top: 1.5rem;
  }

  .sc-document-breadcrumb {
    margin-bottom: 1rem;
  }

  .sc-document-title {
    font-size: clamp(1.75rem, 9vw, 2.35rem);
  }

  .sc-document-summary,
  .sc-document-body {
    font-size: calc(1rem + var(--sc-reader-size-step) * 0.04rem);
  }

  .sc-document-primary-actions {
    align-items: stretch;
  }

  .sc-document-continue,
  .sc-document-open-study {
    flex: 1 1 10rem;
  }

  .sc-document-reader-menu {
    flex: 1 1 100%;
  }

  .sc-document-reader-menu > summary {
    width: 100%;
  }

  .sc-document-reader-popover {
    right: auto;
    left: 0;
    width: min(100%, 18rem);
  }

  .sc-document-topic-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .sc-document-topic-tools {
    justify-self: start;
  }

  .sc-document-study-menu-popover {
    right: auto;
    left: 0;
  }

  .sc-document-outline,
  .sc-document-study-margin {
    top: max(0.65rem, env(safe-area-inset-top, 0px));
    right: 0.65rem;
    bottom: calc(var(--sc-mobile-bottom-nav-height, 4.25rem) + env(safe-area-inset-bottom, 0px) + 0.65rem);
    left: 0.65rem;
    width: auto;
    max-width: none;
    border-radius: 1rem;
  }

  .sc-document-panel-toggle {
    top: auto;
    bottom: calc(var(--sc-mobile-bottom-nav-height, 4.25rem) + env(safe-area-inset-bottom, 0px) + 0.75rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sc-document-progress-track > span,
  .sc-document-continue,
  .sc-document-open-study,
  .sc-document-reader-menu > summary,
  .sc-document-study-menu > summary .is-chevron {
    transition: none;
  }
}

/* Unified product workspace — align documents with the main Study Concept shell */
:root {
  --sc-doc-brand: var(--sc-sidebar-primary, #2383e2);
  --sc-doc-brand-strong: var(--sc-sidebar-primary, #2383e2);
  --sc-doc-brand-soft: var(--sc-sidebar-primary-soft, rgba(35, 131, 226, 0.08));
  --sc-doc-paper: rgba(255, 255, 255, 0.82);
  --sc-doc-canvas: #ffffff;
  --sc-doc-text: var(--sc-sidebar-text, #1d1a22);
  --sc-doc-subtle: var(--sc-ui-muted, #58645f);
  --sc-doc-border: var(--sc-ui-card-border, rgba(191, 201, 195, 0.22));
}

html,
body,
.sc-document-page {
  background: var(--sc-doc-canvas);
}

.sc-document-page {
  padding: 0.7rem;
}

.sc-document-shell {
  grid-template-areas:
    "workspace workspace workspace"
    "outline paper study";
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0;
  width: min(100%, 92rem);
  min-height: calc(100vh - 1.4rem);
  margin: 0 auto;
  padding: 0;
  overflow: clip;
  border: 1px solid var(--sc-doc-border);
  border-radius: var(--sc-ui-card-radius, 1.25rem);
  background: var(--sc-ui-surface, rgba(255, 255, 255, 0.82));
  box-shadow: var(--sc-ui-card-shadow, 0 12px 30px rgba(15, 23, 42, 0.055));
}

.sc-document-workspace-bar {
  grid-area: workspace;
  position: sticky;
  top: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: minmax(13.5rem, 16rem) minmax(0, 1fr) minmax(18rem, 21.5rem);
  align-items: center;
  min-height: 4.45rem;
  border-bottom: 1px solid var(--sc-doc-border);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.sc-document-workspace-identity,
.sc-document-workspace-context,
.sc-document-workspace-status {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: 0.75rem 1rem;
}

.sc-document-workspace-identity {
  gap: 0.65rem;
  border-right: 1px solid var(--sc-doc-border);
}

.sc-document-workspace-mark {
  display: inline-grid;
  flex: 0 0 auto;
  width: 2.3rem;
  height: 2.3rem;
  place-items: center;
  border: 1px solid var(--sc-doc-border);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.86);
  color: var(--sc-doc-brand);
  box-shadow: var(--sc-sidebar-shadow, 0 1px 2px rgba(6, 78, 59, 0.05));
  font-size: 1.15rem;
}

.sc-document-workspace-identity > div {
  display: grid;
  min-width: 0;
}

.sc-document-workspace-identity strong {
  overflow: hidden;
  color: var(--sc-doc-brand);
  font: 800 0.8rem/1.25 "Plus Jakarta Sans", Inter, sans-serif;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sc-document-workspace-identity span:not(.material-symbols-outlined) {
  color: var(--sc-sidebar-faint, #707974);
  font: 700 0.61rem/1.3 Manrope, Inter, sans-serif;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.sc-document-workspace-context {
  gap: 0.45rem;
  color: var(--sc-sidebar-faint, #707974);
  font: 650 0.75rem/1.3 Inter, sans-serif;
}

.sc-document-workspace-context strong {
  overflow: hidden;
  color: var(--sc-doc-text);
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sc-document-workspace-status {
  justify-content: flex-end;
  gap: 0.38rem;
  border-left: 1px solid var(--sc-doc-border);
  color: var(--sc-doc-brand);
  font: 750 0.7rem/1.2 Inter, sans-serif;
}

.sc-document-workspace-status .material-symbols-outlined {
  font-size: 1rem;
}

.sc-document-outline,
.sc-document-paper,
.sc-document-study-margin {
  align-self: stretch;
  min-height: calc(100vh - 5.85rem);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.sc-document-outline,
.sc-document-study-margin {
  position: sticky;
  top: 4.45rem;
  max-height: calc(100vh - 4.45rem);
  margin: 0;
  border-top: 0;
  border-bottom: 0;
}

.sc-document-outline {
  padding: 1.15rem 0.85rem 1.4rem;
  border-left: 0;
  border-right: 1px solid var(--sc-doc-border);
  background: rgba(255, 255, 255, 0.34);
}

.sc-document-paper {
  max-width: none;
  padding: 0 clamp(1.8rem, 4vw, 3.75rem) 4.5rem;
  border: 0;
  background: rgba(255, 255, 255, 0.58);
}

.sc-document-study-margin {
  padding: 1.05rem 1rem 1.4rem;
  border-right: 0;
  border-left: 1px solid var(--sc-doc-border);
  background: rgba(255, 255, 255, 0.3);
}

.sc-document-progress {
  top: 4.45rem;
  margin: 0 calc(clamp(1.8rem, 4vw, 3.75rem) * -1);
  padding-inline: clamp(1.8rem, 4vw, 3.75rem);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.9);
}

.sc-document-header {
  padding-top: clamp(1.8rem, 4vw, 2.8rem);
}

.sc-document-title,
.sc-document-body h2,
.sc-document-body h3,
.sc-document-margin-label,
.sc-document-outline-title {
  font-family: "Plus Jakarta Sans", Inter, system-ui, sans-serif;
}

.sc-document-header-meta,
.sc-document-unit-label,
.sc-document-progress-meta,
.sc-document-quality-badges span {
  font-family: Manrope, Inter, system-ui, sans-serif;
}

.sc-document-continue,
.sc-document-open-study,
.sc-document-reader-menu > summary,
.sc-document-more-menu > summary,
.sc-document-study-menu > summary,
.sc-document-summary-trigger {
  border-radius: 0.9rem;
}

.sc-document-continue {
  background: var(--sc-doc-brand);
  box-shadow: 0 0.5rem 1.2rem rgba(35, 131, 226, 0.12);
}

.sc-document-open-study,
.sc-document-reader-menu > summary,
.sc-document-more-menu > summary {
  background: rgba(255, 255, 255, 0.86);
}

.sc-document-overview-card,
.sc-document-study-card,
.sc-document-unit-idea-card,
.sc-document-unit-overview,
.sc-document-unit-outcomes,
.sc-document-full-marks-standard,
.sc-document-unit-practice,
.sc-document-definition-card,
.sc-document-section-summary-panel,
.sc-document-clarify-panel,
.sc-document-practice-panel {
  border-color: var(--sc-doc-border);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--sc-sidebar-shadow, 0 1px 2px rgba(6, 78, 59, 0.05));
}

.sc-document-outline-search input,
.sc-document-outline-link,
.sc-document-margin-tabs button,
.sc-document-note-actions button,
.sc-document-topic-navigation > a {
  font-family: Inter, system-ui, sans-serif;
}

.sc-document-outline-link.is-active {
  background: var(--sc-doc-brand-soft);
  box-shadow: inset 0.18rem 0 0 var(--sc-doc-brand);
}

.sc-document-panel-toggle {
  top: 5.3rem;
  border-color: var(--sc-doc-border);
  border-radius: 0.8rem;
  box-shadow: var(--sc-sidebar-shadow, 0 1px 2px rgba(6, 78, 59, 0.05));
}

body.sc-document-outline-collapsed:not(.sc-document-study-collapsed) .sc-document-shell {
  grid-template-areas:
    "workspace workspace"
    "paper study";
  grid-template-rows: auto minmax(0, 1fr);
}

body.sc-document-study-collapsed:not(.sc-document-outline-collapsed) .sc-document-shell {
  grid-template-areas:
    "workspace workspace"
    "outline paper";
  grid-template-rows: auto minmax(0, 1fr);
}

body.sc-document-sidebars-collapsed .sc-document-shell {
  grid-template-areas:
    "workspace"
    "paper" !important;
  grid-template-rows: auto minmax(0, 1fr);
  padding: 0 !important;
}

body.sc-document-sidebars-collapsed .sc-document-paper {
  max-width: var(--sc-reader-width);
  padding-inline: clamp(1.8rem, 4vw, 3.75rem) !important;
  border-right: 1px solid var(--sc-doc-border);
  border-left: 1px solid var(--sc-doc-border);
}

body.sc-document-reader-warm,
body.sc-document-reader-warm .sc-document-page {
  --sc-doc-paper: rgba(255, 253, 247, 0.86);
  --sc-doc-canvas: #f8f1e8;
}

@media (max-width: 1180px) {
  .sc-document-page {
    padding: 0.55rem;
  }

  .sc-document-shell,
  body.sc-document-outline-collapsed:not(.sc-document-study-collapsed) .sc-document-shell,
  body.sc-document-study-collapsed:not(.sc-document-outline-collapsed) .sc-document-shell,
  body.sc-document-sidebars-collapsed .sc-document-shell {
    display: block !important;
    min-height: calc(100vh - 1.1rem);
    padding: 0 !important;
  }

  .sc-document-workspace-bar {
    display: flex;
    justify-content: space-between;
    min-height: 4rem;
  }

  .sc-document-workspace-identity {
    border-right: 0;
  }

  .sc-document-workspace-context {
    flex: 1 1 auto;
  }

  .sc-document-workspace-status {
    border-left: 0;
  }

  .sc-document-paper,
  body.sc-document-sidebars-collapsed .sc-document-paper {
    width: min(100%, var(--sc-reader-width));
    min-height: calc(100vh - 5.1rem);
    border-right: 1px solid var(--sc-doc-border);
    border-left: 1px solid var(--sc-doc-border);
  }

  .sc-document-progress {
    top: 4rem;
  }

  .sc-document-outline,
  .sc-document-study-margin {
    top: 4.55rem;
    bottom: 1rem;
    min-height: 0;
    border: 1px solid var(--sc-doc-border);
    border-radius: var(--sc-ui-card-radius, 1.25rem);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 1.4rem 4.5rem rgba(18, 41, 34, 0.2);
    backdrop-filter: blur(18px);
  }
}

@media (max-width: 767px) {
  .sc-document-page {
    padding: 0;
  }

  .sc-document-shell,
  body.sc-document-outline-collapsed:not(.sc-document-study-collapsed) .sc-document-shell,
  body.sc-document-study-collapsed:not(.sc-document-outline-collapsed) .sc-document-shell,
  body.sc-document-sidebars-collapsed .sc-document-shell {
    min-height: 100vh;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .sc-document-workspace-bar {
    min-height: 3.8rem;
    padding-right: 0.25rem;
  }

  .sc-document-workspace-identity {
    padding: 0.6rem 0.72rem;
  }

  .sc-document-workspace-identity span:not(.material-symbols-outlined),
  .sc-document-workspace-context,
  .sc-document-workspace-status span:not(.material-symbols-outlined) {
    display: none;
  }

  .sc-document-workspace-status {
    padding: 0.6rem 0.72rem;
  }

  .sc-document-paper,
  body.sc-document-sidebars-collapsed .sc-document-paper {
    min-height: calc(100vh - 3.8rem);
    border: 0;
    border-radius: 0;
  }

  .sc-document-progress {
    top: 3.8rem;
  }

  .sc-document-outline,
  .sc-document-study-margin {
    top: calc(3.8rem + max(0.55rem, env(safe-area-inset-top, 0px)));
  }
}

body.sc-document-outline-collapsed .sc-document-outline,
body.sc-document-study-collapsed .sc-document-study-margin {
  display: none !important;
}

.sc-document-access-gate {
  grid-column: 1 / -1;
  width: min(34rem, calc(100vw - 2rem));
  margin: clamp(3rem, 10vh, 7rem) auto;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  text-align: center;
  border: 1px solid #d8e1dd;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 46px rgba(20, 45, 37, 0.08);
}

.sc-document-access-gate > .material-symbols-outlined {
  color: #075444;
  font-size: 2rem;
}

.sc-document-access-kicker {
  margin: 0.75rem 0 0.35rem;
  color: #a7380a;
  font: 800 0.72rem/1.2 "Plus Jakarta Sans", sans-serif;
  text-transform: uppercase;
}

.sc-document-access-gate h1 {
  margin: 0;
  color: #1967b3;
  font: 800 clamp(1.45rem, 4vw, 2rem)/1.15 "Plus Jakarta Sans", sans-serif;
}

.sc-document-access-gate > p:not(.sc-document-access-kicker) {
  margin: 0.9rem auto 0;
  max-width: 29rem;
  color: #59645f;
  line-height: 1.6;
}

.sc-document-access-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.4rem;
}

.sc-document-access-actions a,
.sc-document-access-actions button {
  appearance: none;
  border: 1px solid #075444;
  border-radius: 6px;
  background: #075444;
  color: #fff;
  cursor: pointer;
  padding: 0.75rem 1rem;
  font: 800 0.82rem/1 "Plus Jakarta Sans", sans-serif;
  text-decoration: none;
}

.sc-document-access-actions .is-secondary {
  background: #fff;
  color: #075444;
}

body.sc-document-outline-collapsed:not(.sc-document-study-collapsed) .sc-document-shell {
  grid-template-areas:
    "workspace workspace"
    "paper study";
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 21.5rem);
}

body.sc-document-study-collapsed:not(.sc-document-outline-collapsed) .sc-document-shell {
  grid-template-areas:
    "workspace workspace"
    "outline paper";
  grid-template-columns: minmax(13.5rem, 16rem) minmax(0, 1fr);
}

body.sc-document-sidebars-collapsed .sc-document-shell {
  grid-template-areas:
    "workspace"
    "paper" !important;
  grid-template-columns: minmax(0, 1fr) !important;
  padding: 0 !important;
}

body.sc-document-sidebars-collapsed .sc-document-paper {
  width: 100%;
  max-width: var(--sc-reader-width);
  margin: 0 auto;
  padding-inline: clamp(1.8rem, 4vw, 3.75rem) !important;
}

body.sc-document-outline-collapsed:not(.sc-document-study-collapsed) .sc-document-paper,
body.sc-document-study-collapsed:not(.sc-document-outline-collapsed) .sc-document-paper {
  max-width: var(--sc-reader-width);
  margin: 0 auto;
}

@media (max-width: 1180px) {
  body.sc-document-outline-collapsed:not(.sc-document-study-collapsed) .sc-document-shell,
  body.sc-document-study-collapsed:not(.sc-document-outline-collapsed) .sc-document-shell,
  body.sc-document-sidebars-collapsed .sc-document-shell {
    display: block !important;
  }
}

@media (max-width: 767px) {
  body.sc-document-outline-collapsed:not(.sc-document-study-collapsed) .sc-document-paper,
  body.sc-document-study-collapsed:not(.sc-document-outline-collapsed) .sc-document-paper,
  body.sc-document-sidebars-collapsed .sc-document-paper {
    width: 100% !important;
    max-width: 100% !important;
    padding-inline: 0 !important;
  }
}

/* Let the full study workspace breathe on large desktop displays without
   changing the established tablet and mobile layouts. */
@media (min-width: 1440px) {
  .sc-document-page {
    padding: clamp(0.7rem, 0.8vw, 1.25rem);
  }

  .sc-document-shell {
    --sc-reader-width: clamp(50rem, 52vw, 64rem);
    grid-template-columns: minmax(14rem, 17rem) minmax(0, 1fr) minmax(19rem, 23rem);
    width: min(100%, 132rem);
    min-height: calc(100vh - clamp(1.4rem, 1.6vw, 2.5rem));
  }

  .sc-document-workspace-bar {
    grid-template-columns: minmax(14rem, 17rem) minmax(0, 1fr) minmax(19rem, 23rem);
  }

  .sc-document-paper {
    padding-inline: clamp(2.4rem, 4vw, 5rem);
  }

  .sc-document-progress {
    margin-inline: calc(clamp(2.4rem, 4vw, 5rem) * -1);
    padding-inline: clamp(2.4rem, 4vw, 5rem);
  }
}