:root {
  --paper: #f7f3eb;
  --paper-soft: #fbf8f2;
  --paper-deep: #efe6d5;
  --paper-panel: rgba(255, 252, 246, 0.82);
  --line: rgba(84, 73, 58, 0.12);
  --line-strong: rgba(84, 73, 58, 0.22);
  --ink: #2f342d;
  --ink-soft: rgba(47, 52, 45, 0.72);
  --ink-faint: rgba(47, 52, 45, 0.48);
  --accent: #a33d2f;
  --accent-soft: rgba(163, 61, 47, 0.12);
  --sage: #7f9279;
  --shadow: 0 26px 60px rgba(58, 46, 31, 0.08);
  --shadow-soft: 0 12px 24px rgba(58, 46, 31, 0.05);
  --headline: "Newsreader", "Noto Serif SC", serif;
  --body: "Noto Serif SC", serif;
  --label: "Inter", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body.app-body {
  min-height: 100vh;
  font-family: var(--body);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(163, 61, 47, 0.08), transparent 24%),
    radial-gradient(circle at bottom right, rgba(118, 106, 81, 0.12), transparent 30%),
    linear-gradient(140deg, rgba(255, 249, 239, 0.92), rgba(245, 239, 228, 0.96)),
    url("../images/paper-texture.jpg") center/cover fixed;
}

body.app-body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(80, 68, 52, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 68, 52, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 18px 18px;
  opacity: 0.45;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.app-shell,
.reader-shell {
  position: relative;
  z-index: 1;
}

.workspace-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 250px 1fr;
}

.sidebar {
  position: relative;
  padding: 1.75rem 1.35rem 1.4rem;
  background: linear-gradient(180deg, rgba(250, 247, 240, 0.96), rgba(246, 240, 229, 0.92));
  border-right: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.sidebar::after {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(84, 73, 58, 0.2), transparent);
}

.brand {
  margin-bottom: 1.6rem;
}

.brand__title {
  margin: 0;
  font-family: var(--headline);
  font-size: 2rem;
  letter-spacing: 0.08em;
}

.brand__subtitle {
  margin: 0.4rem 0 0;
  font-family: var(--label);
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.nav-group {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.nav-section {
  margin-top: 1rem;
}

.nav-item,
.nav-subitem,
.nav-summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.86rem 0.88rem;
  border-radius: 0.85rem;
  color: var(--ink-soft);
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.nav-item .material-symbols-outlined,
.nav-summary .material-symbols-outlined,
.nav-subitem .material-symbols-outlined {
  font-size: 1.12rem;
}

.nav-item:hover,
.nav-subitem:hover,
.nav-summary:hover {
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink);
  transform: translateX(2px);
}

.nav-item.is-active {
  background: linear-gradient(90deg, rgba(163, 61, 47, 0.1), rgba(255, 255, 255, 0.56));
  color: var(--accent);
  font-weight: 700;
}

.nav-tree {
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.32);
}

.nav-tree[open] {
  padding-bottom: 0.35rem;
}

.nav-tree summary {
  list-style: none;
  cursor: pointer;
}

.nav-tree summary::-webkit-details-marker {
  display: none;
}

.nav-summary__chevron {
  margin-left: auto;
  transition: transform 160ms ease;
}

.nav-tree[open] .nav-summary__chevron {
  transform: rotate(180deg);
}

.nav-sublist {
  display: grid;
  gap: 0.12rem;
  padding: 0.15rem 0.45rem 0.45rem 2.8rem;
}

.nav-subitem {
  padding: 0.58rem 0.2rem;
  border-radius: 0;
  font-size: 0.94rem;
}

.sidebar-foot {
  margin-top: 1.35rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.workspace-main {
  min-width: 0;
  padding: 1rem 1.25rem 1.75rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.searchbox {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: min(680px, 100%);
  margin: 0 auto;
  padding: 0.95rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 999px;
  background: rgba(255, 250, 242, 0.8);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.searchbox input {
  flex: 1;
  border: 0;
  background: transparent;
  outline: none;
  font-size: 0.98rem;
  color: var(--ink);
}

.searchbox input::placeholder {
  color: rgba(47, 52, 45, 0.38);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 2.55rem;
  height: 2.55rem;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 0.95rem;
  background: rgba(255, 252, 246, 0.78);
  color: var(--ink-soft);
  box-shadow: var(--shadow-soft);
}

.icon-button:hover {
  color: var(--ink);
  transform: translateY(-1px);
}

.avatar-badge {
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 1rem;
  background: linear-gradient(145deg, #efe5d1, #fffaf1);
  display: grid;
  place-items: center;
  font-family: var(--headline);
  font-weight: 700;
  color: var(--accent);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow-soft);
}

.dashboard {
  display: grid;
  gap: 1.35rem;
}

.selection-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(163, 61, 47, 0.16);
  border-radius: 1.2rem;
  background: linear-gradient(90deg, rgba(163, 61, 47, 0.08), rgba(255, 252, 246, 0.82));
  box-shadow: var(--shadow-soft);
}

.selection-banner.is-visible {
  display: flex;
}

.selection-banner__meta {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.selection-banner__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.6rem;
  border-radius: 999px;
  background: rgba(163, 61, 47, 0.12);
  color: var(--accent);
  font-family: var(--label);
  font-weight: 700;
}

.selection-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.text-action {
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink-soft);
}

.text-action:hover {
  border-color: rgba(163, 61, 47, 0.24);
  color: var(--accent);
}

.panel {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: 1.55rem;
  background: linear-gradient(180deg, rgba(255, 252, 246, 0.84), rgba(249, 244, 236, 0.76));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(163, 61, 47, 0.04), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent);
  pointer-events: none;
}

.panel__body {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
}

.section-title {
  margin: 0 0 0.5rem;
  font-family: var(--headline);
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.section-subtitle {
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.95rem;
}

.hero {
  display: grid;
  gap: 1.2rem;
  padding: 1.6rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}

.hero-quick {
  min-height: 360px;
}

.hero-quick__header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
}

.hero-quick__eyebrow,
.panel-eyebrow {
  margin: 0 0 0.4rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-family: var(--label);
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.35rem;
}

.quick-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 218px;
  padding: 1.3rem 1.1rem;
  border-radius: 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.75);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(242, 235, 223, 0.65)),
    url("../images/paper-texture.jpg") center/cover;
  box-shadow: var(--shadow-soft);
}

.quick-card.is-accent {
  background:
    linear-gradient(160deg, rgba(58, 61, 52, 0.88), rgba(46, 51, 43, 0.96)),
    url("../images/ink-landscape.jpg") center/cover;
  color: #f6f1e7;
}

.quick-card__icon {
  display: inline-flex;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink-soft);
}

.quick-card.is-accent .quick-card__icon {
  background: rgba(255, 255, 255, 0.12);
  color: #f6f1e7;
}

.quick-card h3,
.doc-card h3,
.rail-card h3,
.module-card h3 {
  margin: 0;
  font-family: var(--headline);
  font-size: 1.42rem;
  font-weight: 500;
}

.quick-card p,
.doc-card p,
.module-card p,
.rail-card p {
  margin: 0;
  color: inherit;
}

.quick-card__meta {
  display: grid;
  gap: 0.35rem;
}

.quick-card__meta span {
  font-family: var(--label);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(47, 52, 45, 0.48);
}

.quick-card.is-accent .quick-card__meta span {
  color: rgba(246, 241, 231, 0.62);
}

.hero-sidebar {
  display: grid;
  gap: 1rem;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.metric-card {
  padding: 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.72);
}

.metric-card strong {
  display: block;
  font-family: var(--headline);
  font-size: 1.65rem;
  font-weight: 500;
}

.metric-card span {
  display: block;
  margin-top: 0.25rem;
  color: var(--ink-faint);
  font-size: 0.88rem;
}

.relation-flow {
  display: grid;
  gap: 0.95rem;
}

.flow-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 0.95rem 0;
  border-top: 1px dashed var(--line);
}

.flow-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.flow-item__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--label);
  font-weight: 700;
}

.flow-item h4 {
  margin: 0 0 0.28rem;
  font-size: 1rem;
  font-family: var(--label);
}

.flow-item p {
  margin: 0;
  color: var(--ink-faint);
  line-height: 1.7;
  font-size: 0.93rem;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
}

.stack-grid {
  display: grid;
  gap: 1rem;
}

.module-card {
  padding: 1.35rem;
  border-radius: 1.3rem;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.62);
}

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

.module-header h3 {
  font-size: 1.25rem;
}

.module-header a {
  color: var(--ink-faint);
  font-size: 0.9rem;
}

.timeline {
  display: grid;
  gap: 0.9rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 0.9rem;
  align-items: start;
}

.timeline-item time {
  font-family: var(--label);
  font-size: 0.77rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.timeline-item h4 {
  margin: 0 0 0.28rem;
  font-size: 1.02rem;
  font-family: var(--headline);
  font-weight: 500;
}

.timeline-item p {
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.92rem;
  line-height: 1.75;
}

.card-cluster {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.knowledge-card {
  min-height: 152px;
  padding: 1rem;
  border-radius: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background:
    linear-gradient(160deg, rgba(255, 250, 240, 0.78), rgba(239, 230, 214, 0.7)),
    url("../images/paper-texture.jpg") center/cover;
}

.knowledge-card h4 {
  margin: 0 0 0.35rem;
  font-family: var(--headline);
  font-size: 1.18rem;
}

.knowledge-card p {
  margin: 0 0 0.7rem;
  color: var(--ink-faint);
  font-size: 0.9rem;
  line-height: 1.7;
}

.tag-row,
.relation-chipset,
.meta-row {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.tag,
.relation-chip,
.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.38rem 0.72rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(84, 73, 58, 0.09);
  font-size: 0.82rem;
  color: var(--ink-soft);
  font-family: var(--label);
}

.tag.is-accent,
.relation-chip.is-accent {
  background: rgba(163, 61, 47, 0.12);
  color: var(--accent);
}

.relation-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.relation-node {
  min-height: 110px;
  padding: 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.68);
}

.relation-node strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1rem;
  font-family: var(--headline);
  font-weight: 500;
}

.relation-node span {
  color: var(--ink-faint);
  font-size: 0.9rem;
  line-height: 1.7;
}

.inbox-list {
  display: grid;
  gap: 0.75rem;
}

.inbox-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.9rem;
  align-items: center;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.72);
}

.inbox-item__dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  background: var(--accent);
}

.inbox-item strong {
  display: block;
  margin-bottom: 0.16rem;
  font-family: var(--headline);
  font-weight: 500;
  font-size: 1rem;
}

.inbox-item span,
.inbox-item time {
  color: var(--ink-faint);
  font-size: 0.84rem;
}

.shelf {
  padding: 1.55rem;
}

.shelf-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.shelf-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.doc-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  border-radius: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow-soft);
}

.doc-card__cover {
  position: relative;
  min-height: 220px;
  padding: 1rem;
  border-radius: 1rem;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.76), rgba(234, 224, 204, 0.76)),
    url("../images/paper-texture.jpg") center/cover;
}

.doc-card__cover.is-ink {
  background:
    linear-gradient(180deg, rgba(255, 249, 236, 0.44), rgba(224, 214, 194, 0.78)),
    url("../images/ink-landscape.jpg") center/cover;
}

.doc-card__cover.is-dark {
  background: linear-gradient(180deg, rgba(47, 52, 45, 0.88), rgba(28, 31, 26, 0.94));
  color: #f7f3eb;
}

.doc-card__check {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-family: var(--label);
  color: var(--ink-faint);
}

.doc-card__check input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

.doc-card__spine {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 78px;
  height: 100%;
  padding: 0.8rem;
  border: 1px solid rgba(84, 73, 58, 0.08);
  background: rgba(255, 255, 255, 0.4);
}

.doc-card__vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.18em;
  font-size: 1.38rem;
  font-family: var(--headline);
  font-weight: 500;
}

.doc-card__meta {
  display: grid;
  gap: 0.35rem;
}

.doc-card__meta h3 {
  font-size: 1.2rem;
}

.doc-card__meta p {
  color: var(--ink-faint);
  font-size: 0.92rem;
  line-height: 1.75;
}

.doc-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--ink-faint);
  font-size: 0.82rem;
  font-family: var(--label);
}

.doc-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
}

.reader-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}

.reader-appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(248, 242, 230, 0.88);
  backdrop-filter: blur(12px);
}

.reader-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.reader-tab {
  padding: 0.58rem 0.95rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--ink-faint);
  font-family: var(--label);
  font-size: 0.88rem;
}

.reader-tab.is-active {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.6);
}

.reader-frame {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 340px;
  min-height: 0;
}

.reader-outline,
.knowledge-rail {
  padding: 1rem 1rem 1.35rem;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(250, 247, 240, 0.92), rgba(246, 240, 229, 0.88));
  overflow-y: auto;
}

.knowledge-rail {
  border-right: 0;
  border-left: 1px solid var(--line);
}

.reader-outline__title {
  margin: 0 0 0.25rem;
  font-family: var(--headline);
  font-size: 1.45rem;
}

.reader-outline__meta {
  margin: 0 0 1rem;
  color: var(--ink-faint);
  font-size: 0.86rem;
}

.outline-list {
  display: grid;
  gap: 0.22rem;
}

.outline-item {
  padding: 0.85rem 0.9rem;
  border-radius: 0.95rem;
  background: transparent;
  color: var(--ink-soft);
}

.outline-item.is-active {
  background: rgba(255, 255, 255, 0.62);
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}

.outline-item strong {
  display: block;
  margin-bottom: 0.22rem;
  font-size: 0.98rem;
  font-weight: 500;
}

.outline-item span {
  color: var(--ink-faint);
  font-size: 0.82rem;
}

.outline-bottom {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.68);
}

.outline-bottom h4 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-family: var(--headline);
}

.outline-bottom p {
  margin: 0;
  color: var(--ink-faint);
  line-height: 1.72;
  font-size: 0.9rem;
}

.reader-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 1rem 1.1rem 1.35rem;
  overflow-y: auto;
}

.tool-palette {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  gap: 0.85rem;
  padding-bottom: 1rem;
  background: linear-gradient(180deg, rgba(247, 243, 235, 0.96), rgba(247, 243, 235, 0.72), transparent);
}

.tool-family {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.32rem;
  width: fit-content;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow-soft);
}

.tool-family button {
  padding: 0.55rem 0.95rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-faint);
}

.tool-family button.is-active {
  background: rgba(47, 52, 45, 0.9);
  color: #faf7ef;
}

.tool-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.tool-button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.62rem 0.8rem;
  border: 0;
  border-radius: 0.85rem;
  background: transparent;
  color: var(--ink-faint);
}

.tool-button.is-active {
  background: rgba(163, 61, 47, 0.1);
  color: var(--accent);
}

.tool-button .material-symbols-outlined {
  font-size: 1.08rem;
}

.manuscript {
  margin: 0 auto;
  width: min(100%, 860px);
  padding: 2rem 2.25rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 1.6rem;
  background:
    linear-gradient(180deg, rgba(255, 251, 245, 0.9), rgba(247, 241, 230, 0.88)),
    url("../images/paper-texture.jpg") center/cover;
  box-shadow: var(--shadow);
}

.manuscript__meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.manuscript__title {
  margin: 0;
  font-family: var(--headline);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.manuscript__subtitle {
  margin: 0.45rem 0 0;
  color: var(--ink-faint);
  font-style: italic;
}

.manuscript__actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.manuscript__actions .meta-pill {
  background: rgba(255, 255, 255, 0.72);
}

.citation-anchor {
  display: grid;
  gap: 0.75rem;
  margin: 1.6rem 0 1.4rem;
  padding: 1rem 1.05rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 1rem 1rem 0;
  background: linear-gradient(90deg, rgba(163, 61, 47, 0.08), rgba(255, 255, 255, 0.36));
}

.citation-anchor strong {
  display: block;
  font-family: var(--label);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.citation-anchor p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.82;
}

.selection-ops {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.selection-ops .text-action {
  background: rgba(255, 255, 255, 0.62);
}

.manuscript__content {
  display: grid;
  gap: 1.6rem;
  font-size: 1.1rem;
  line-height: 2.1;
  color: rgba(47, 52, 45, 0.9);
}

.manuscript__content p {
  margin: 0;
}

.ink-mark,
.ink-note {
  background: linear-gradient(180deg, rgba(244, 223, 131, 0.45), rgba(244, 223, 131, 0.08));
  padding: 0 0.1rem;
}

.quote-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.18rem 0.55rem;
  margin: 0 0.15rem;
  border-radius: 999px;
  background: rgba(163, 61, 47, 0.09);
  color: var(--accent);
  font-family: var(--label);
  font-size: 0.9rem;
}

.split-note {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
  margin-top: 1.8rem;
}

.note-panel,
.draft-panel {
  padding: 1.15rem;
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.72);
}

.note-panel h3,
.draft-panel h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  font-family: var(--headline);
  font-weight: 500;
}

.note-panel p,
.draft-panel p {
  margin: 0;
  color: var(--ink-faint);
  line-height: 1.8;
  font-size: 0.95rem;
}

.knowledge-rail__tabs {
  display: inline-flex;
  gap: 0.35rem;
  padding: 0.35rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-soft);
}

.knowledge-rail__tabs button {
  padding: 0.5rem 0.82rem;
  border-radius: 999px;
  border: 0;
  background: transparent;
  color: var(--ink-faint);
}

.knowledge-rail__tabs button.is-active {
  background: rgba(47, 52, 45, 0.9);
  color: #faf7ef;
}

.rail-panels {
  margin-top: 1rem;
}

.rail-panel {
  display: none;
  gap: 1rem;
}

.rail-panel.is-active {
  display: grid;
}

.rail-card {
  padding: 1rem;
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow-soft);
}

.rail-card h3 {
  font-size: 1.08rem;
  margin-bottom: 0.6rem;
}

.rail-card p {
  color: var(--ink-faint);
  font-size: 0.92rem;
  line-height: 1.78;
}

.rail-list {
  display: grid;
  gap: 0.7rem;
}

.rail-list__item {
  padding: 0.8rem 0.85rem;
  border-radius: 0.9rem;
  background: rgba(248, 242, 231, 0.88);
  border: 1px solid rgba(84, 73, 58, 0.08);
}

.rail-list__item strong {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--headline);
  font-size: 1rem;
  font-weight: 500;
}

.rail-list__item span {
  color: var(--ink-faint);
  font-size: 0.86rem;
  line-height: 1.68;
}

.search-stack {
  display: grid;
  gap: 0.8rem;
}

.search-result {
  padding: 0.85rem;
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.72);
}

.search-result strong {
  display: block;
  margin-bottom: 0.22rem;
  font-size: 0.98rem;
}

.search-result span {
  color: var(--ink-faint);
  font-size: 0.84rem;
  line-height: 1.72;
}

.rail-search {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.85rem;
  padding: 0.82rem 0.95rem;
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(255, 255, 255, 0.78);
}

.rail-search input {
  flex: 1;
  border: 0;
  background: transparent;
  outline: none;
}

.relationship-editor {
  display: grid;
  gap: 0.9rem;
}

.editor-bridge {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.8rem;
  align-items: center;
}

.editor-node {
  padding: 0.9rem 0.95rem;
  border-radius: 0.95rem;
  background: rgba(248, 242, 231, 0.92);
  border: 1px solid rgba(84, 73, 58, 0.08);
}

.editor-node strong {
  display: block;
  margin-bottom: 0.18rem;
}

.editor-node span {
  color: var(--ink-faint);
  font-size: 0.84rem;
}

.editor-bridge .material-symbols-outlined {
  color: var(--accent);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.46rem 0.72rem;
  border-radius: 999px;
  background: rgba(127, 146, 121, 0.12);
  color: #5f7758;
  font-family: var(--label);
  font-size: 0.82rem;
}

.reader-footer {
  margin-top: 1rem;
  color: var(--ink-faint);
  font-size: 0.84rem;
  text-align: center;
}

@media (max-width: 1320px) {
  .quick-grid,
  .shelf-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid,
  .overview-grid,
  .split-note {
    grid-template-columns: 1fr;
  }

  .metric-strip,
  .relation-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .reader-frame {
    grid-template-columns: 250px 1fr 320px;
  }
}

@media (max-width: 1120px) {
  .workspace-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .reader-frame {
    grid-template-columns: 1fr;
  }

  .reader-outline,
  .knowledge-rail {
    border-right: 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .reader-main {
    order: -1;
  }
}

@media (max-width: 820px) {
  .workspace-main,
  .sidebar,
  .reader-main,
  .reader-outline,
  .knowledge-rail {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .searchbox {
    width: 100%;
  }

  .quick-grid,
  .card-cluster,
  .shelf-grid,
  .metric-strip,
  .relation-map {
    grid-template-columns: 1fr;
  }

  .timeline-item,
  .editor-bridge {
    grid-template-columns: 1fr;
  }

  .selection-banner {
    align-items: flex-start;
    flex-direction: column;
  }

  .manuscript {
    padding: 1.4rem 1.05rem;
  }

  .manuscript__meta {
    flex-direction: column;
  }

  .tool-strip {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
}

.workspace-body {
  background:
    linear-gradient(180deg, rgba(249, 245, 237, 0.98), rgba(246, 241, 233, 0.98)),
    url("../images/paper-texture.jpg") center/cover fixed;
}

.workspace-body::before {
  opacity: 0.12;
}

.workspace-ref {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 214px minmax(0, 1fr);
}

.workspace-ref__sidebar {
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1.05rem 1rem;
  background: rgba(255, 253, 249, 0.99);
  border-right: 1px solid rgba(88, 76, 58, 0.08);
}

.workspace-ref__brand {
  padding: 0.2rem 0.5rem 1rem;
  border-bottom: 1px solid rgba(88, 76, 58, 0.07);
}

.workspace-ref__brand h1 {
  margin: 0;
  font-family: var(--body);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.workspace-ref__brand p {
  margin: 0.3rem 0 0;
  color: rgba(47, 52, 45, 0.38);
  font-family: var(--label);
  font-size: 0.9rem;
}

.workspace-ref__nav {
  display: grid;
  gap: 0.25rem;
  padding-top: 0.9rem;
}

.workspace-ref__nav-link,
.workspace-ref__summary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.78rem 0.65rem;
  color: rgba(47, 52, 45, 0.75);
  border-radius: 0.2rem;
  font-size: 1rem;
}

.workspace-ref__nav-button {
  width: 100%;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font: inherit;
}

.workspace-ref__nav-link .material-symbols-outlined,
.workspace-ref__summary .material-symbols-outlined {
  font-size: 1.08rem;
}

.workspace-ref__nav-link.is-active {
  background: rgba(250, 245, 238, 0.98);
  color: #c6221e;
  font-weight: 700;
}

.workspace-ref__summary.is-active {
  background: rgba(238, 232, 223, 0.9);
  color: #c6221e;
  font-weight: 700;
}

.workspace-ref__tree {
  border-radius: 0.3rem;
}

.workspace-ref__tree summary {
  list-style: none;
  cursor: pointer;
}

.workspace-ref__tree summary::-webkit-details-marker {
  display: none;
}

.workspace-ref__chevron {
  margin-left: auto;
  color: rgba(47, 52, 45, 0.46);
  transition: transform 160ms ease;
}

.workspace-ref__tree[open] .workspace-ref__chevron {
  transform: rotate(180deg);
}

.workspace-ref__sublist {
  display: grid;
  gap: 0.15rem;
  margin: 0.1rem 0 0.35rem 1.1rem;
  padding: 0.2rem 0 0.2rem 0.9rem;
  border-left: 1px solid rgba(88, 76, 58, 0.08);
}

.workspace-ref__sublist a {
  display: block;
  padding: 0.42rem 0;
  color: rgba(47, 52, 45, 0.62);
  font-size: 0.95rem;
}

.workspace-ref__editable-list {
  display: grid;
  gap: 0.35rem;
  margin: 0.1rem 0 0.45rem 1.1rem;
  padding: 0.2rem 0 0.2rem 0.9rem;
  border-left: 1px solid rgba(88, 76, 58, 0.08);
}

.workspace-ref__editable-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.48rem;
  padding: 0.12rem 0.2rem;
}

.workspace-ref__editable-row:hover,
.workspace-ref__editable-row:focus-within {
  background: rgba(255, 255, 255, 0.4);
}

.workspace-ref__editable-row.is-editing {
  background: rgba(255, 255, 255, 0.62);
}

.workspace-ref__editable-dot {
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 999px;
  background: rgba(47, 52, 45, 0.18);
}

.workspace-ref__editable-row.is-editing .workspace-ref__editable-dot {
  background: rgba(198, 34, 30, 0.42);
}

.workspace-ref__editable-main {
  min-width: 0;
  width: 100%;
}

.workspace-ref__editable-item {
  min-height: 1.7rem;
  padding: 0.18rem 0;
  color: rgba(47, 52, 45, 0.62);
  font-size: 0.94rem;
  line-height: 1.55;
  outline: none;
  border-bottom: 1px dashed rgba(88, 76, 58, 0.1);
}

.workspace-ref__editable-item:empty::before {
  content: attr(data-placeholder);
  color: rgba(47, 52, 45, 0.28);
}

.workspace-ref__editable-item:focus {
  border-bottom-color: rgba(198, 34, 30, 0.18);
  color: rgba(47, 52, 45, 0.8);
}

.workspace-ref__editable-link {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 1.9rem;
  padding: 0.18rem 0;
  color: rgba(47, 52, 45, 0.7);
  border-bottom: 1px solid transparent;
}

.workspace-ref__editable-link:hover {
  color: rgba(47, 52, 45, 0.92);
}

.workspace-ref__editable-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-ref__editable-input {
  display: none;
  width: 100%;
  min-height: 1.9rem;
  padding: 0.18rem 0;
  border: 0;
  border-bottom: 1px dashed rgba(198, 34, 30, 0.18);
  background: transparent;
  color: rgba(47, 52, 45, 0.82);
  font-size: 0.94rem;
  line-height: 1.55;
  outline: none;
}

.workspace-ref__editable-input::placeholder {
  color: rgba(47, 52, 45, 0.28);
}

.workspace-ref__editable-row.is-editing .workspace-ref__editable-link {
  display: none;
}

.workspace-ref__editable-row.is-editing .workspace-ref__editable-input {
  display: block;
}

.workspace-ref__editable-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.08rem;
  opacity: 0;
  transition: opacity 160ms ease;
}

.workspace-ref__editable-row:hover .workspace-ref__editable-actions,
.workspace-ref__editable-row:focus-within .workspace-ref__editable-actions,
.workspace-ref__editable-row.is-editing .workspace-ref__editable-actions {
  opacity: 1;
}

.workspace-ref__editable-edit,
.workspace-ref__editable-remove {
  display: inline-grid;
  place-items: center;
  width: 1.2rem;
  height: 1.2rem;
  border: 0;
  background: transparent;
  color: rgba(47, 52, 45, 0.2);
  opacity: 0;
  cursor: pointer;
  transition: opacity 160ms ease, color 160ms ease;
}

.workspace-ref__editable-edit {
  opacity: 1;
}

.workspace-ref__editable-remove {
  opacity: 1;
}

.workspace-ref__editable-edit .material-symbols-outlined,
.workspace-ref__editable-remove .material-symbols-outlined {
  font-size: 0.96rem;
}

.workspace-ref__editable-edit:hover,
.workspace-ref__editable-remove:hover {
  color: rgba(198, 34, 30, 0.55);
}

.workspace-ref__editable-add {
  justify-self: start;
  padding: 0.12rem 0;
  border: 0;
  background: transparent;
  color: rgba(47, 52, 45, 0.34);
  font-size: 0.88rem;
  cursor: pointer;
}

.workspace-ref__foot {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(88, 76, 58, 0.07);
}

.workspace-ref__main {
  position: relative;
  min-width: 0;
  padding: 0.75rem 1.3rem 2rem;
}

.workspace-ref__topbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.7rem;
  padding: 0.1rem 0 0.9rem;
}

.workspace-ref__search {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: min(520px, 100%);
  margin: 0 auto;
  padding: 0.9rem 1.1rem;
  background: rgba(251, 248, 241, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 6px 18px rgba(69, 58, 41, 0.04);
}

.workspace-ref__search input {
  flex: 1;
  border: 0;
  background: transparent;
  outline: none;
  color: rgba(47, 52, 45, 0.72);
}

.workspace-ref__search input::placeholder {
  color: rgba(47, 52, 45, 0.34);
}

.workspace-ref__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  position: relative;
}

.workspace-ref__icon,
.workspace-ref__avatar {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid rgba(255, 255, 255, 0.78);
  background: rgba(250, 246, 238, 0.95);
  color: rgba(47, 52, 45, 0.68);
  padding: 0;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.workspace-ref__avatar {
  color: rgba(47, 52, 45, 0.48);
}

.workspace-ref__icon[data-popover-button="notice"] {
  position: relative;
}

.workspace-ref__icon[data-popover-button="notice"]::after {
  content: "";
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  width: 0.36rem;
  height: 0.36rem;
  border-radius: 999px;
  background: #c6221e;
}

.workspace-ref__icon.is-active,
.workspace-ref__avatar.is-active {
  border-color: rgba(198, 34, 30, 0.16);
  background: rgba(246, 238, 229, 0.98);
}

.workspace-ref__popovers {
  position: absolute;
  top: 4.25rem;
  right: 1.3rem;
  z-index: 10;
  display: grid;
  gap: 0.6rem;
  justify-items: end;
  pointer-events: none;
}

.workspace-ref__popover {
  width: 320px;
  display: none;
  padding: 1rem 1rem 0.95rem;
  background: rgba(255, 252, 248, 0.995);
  border: 1px solid rgba(88, 76, 58, 0.1);
  box-shadow: 0 18px 34px rgba(68, 57, 41, 0.09);
  pointer-events: auto;
  border-radius: 0.32rem;
}

.workspace-ref__popover.is-open {
  display: grid;
  gap: 0.9rem;
}

.workspace-ref__popover--search {
  width: 290px;
}

.workspace-ref__search-panel {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 2.9rem;
  padding: 0.2rem 0.25rem 0.2rem 0.8rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(88, 76, 58, 0.08);
}

.workspace-ref__search-panel .material-symbols-outlined {
  color: rgba(47, 52, 45, 0.42);
}

.workspace-ref__search-panel input {
  flex: 1;
  border: 0;
  background: transparent;
  outline: none;
  color: rgba(47, 52, 45, 0.78);
  font: inherit;
  font-size: 0.9rem;
}

.workspace-ref__search-panel input::placeholder {
  color: rgba(47, 52, 45, 0.34);
}

.workspace-ref__popover-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.workspace-ref__popover-head strong {
  font-family: var(--body);
  font-size: 1.05rem;
  font-weight: 600;
}

.workspace-ref__tiny-link {
  border: 0;
  background: transparent;
  color: rgba(47, 52, 45, 0.42);
  font-size: 0.82rem;
}

.workspace-ref__popover-list {
  display: grid;
  gap: 0.75rem;
}

.workspace-ref__popover-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  padding: 0.7rem 0.75rem;
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(88, 76, 58, 0.05);
}

.workspace-ref__popover-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.workspace-ref__popover-item h4 {
  margin: 0 0 0.22rem;
  font-size: 0.96rem;
  font-weight: 600;
}

.workspace-ref__popover-meta time {
  color: rgba(47, 52, 45, 0.34);
  font-size: 0.74rem;
  white-space: nowrap;
}

.workspace-ref__popover-item p {
  margin: 0;
  color: rgba(47, 52, 45, 0.48);
  font-size: 0.84rem;
  line-height: 1.65;
}

.workspace-ref__popover-dot {
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.35rem;
  background: #c6221e;
  border-radius: 999px;
}

.workspace-ref__popover-dot--soft {
  background: rgba(47, 52, 45, 0.24);
}

.workspace-ref__popover-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  background: rgba(47, 52, 45, 0.9);
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
}

.workspace-ref__setting-group {
  display: grid;
  gap: 0.45rem;
}

.workspace-ref__setting-label {
  color: rgba(47, 52, 45, 0.44);
  font-size: 0.82rem;
}

.workspace-ref__segmented {
  display: inline-flex;
  gap: 0.3rem;
  padding: 0.22rem;
  background: rgba(241, 235, 226, 0.84);
}

.workspace-ref__segmented button {
  padding: 0.45rem 0.72rem;
  border: 0;
  background: transparent;
  color: rgba(47, 52, 45, 0.46);
  font-size: 0.84rem;
}

.workspace-ref__segmented button.is-active {
  background: rgba(255, 255, 255, 0.78);
  color: rgba(47, 52, 45, 0.82);
}

.workspace-ref__setting-list {
  display: grid;
  gap: 0.55rem;
}

.workspace-ref__setting-list label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: rgba(47, 52, 45, 0.62);
  font-size: 0.88rem;
}

.workspace-ref__setting-list input {
  accent-color: #c6221e;
}

.workspace-ref__profile-card {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0.8rem;
  align-items: center;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.62);
}

.workspace-ref__profile-stamp {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: 2px solid #c6221e;
  color: #c6221e;
  font-family: var(--headline);
  font-size: 1.35rem;
  font-weight: 700;
}

.workspace-ref__profile-card strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 1rem;
}

.workspace-ref__profile-card p {
  margin: 0;
  color: rgba(47, 52, 45, 0.5);
  font-size: 0.86rem;
  line-height: 1.65;
}

.workspace-ref__profile-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.workspace-ref__profile-stats div {
  padding: 0.75rem 0.6rem;
  background: rgba(255, 255, 255, 0.64);
  text-align: center;
}

.workspace-ref__profile-stats strong {
  display: block;
  font-size: 1.18rem;
  font-weight: 600;
}

.workspace-ref__profile-stats span {
  display: block;
  margin-top: 0.2rem;
  color: rgba(47, 52, 45, 0.44);
  font-size: 0.78rem;
}

.workspace-ref__profile-links {
  display: grid;
  gap: 0.5rem;
}

.workspace-ref__profile-links a {
  display: block;
  padding: 0.7rem 0.8rem;
  background: rgba(255, 255, 255, 0.6);
  color: rgba(47, 52, 45, 0.68);
  font-size: 0.9rem;
}

.workspace-ref__views {
  position: relative;
}

.workspace-ref__view {
  display: none;
}

.workspace-ref__view.is-active {
  display: block;
}

.workspace-ref__content {
  display: grid;
  gap: 2.35rem;
  max-width: 980px;
  margin: 0 auto;
}

.workspace-ref__content--browser {
  gap: 1.35rem;
}

.workspace-body .selection-banner {
  padding: 0.85rem 1rem;
  border-radius: 0.4rem;
  border: 1px solid rgba(198, 34, 30, 0.08);
  background: rgba(252, 248, 241, 0.88);
  box-shadow: none;
}

.workspace-body .selection-banner__count {
  background: rgba(198, 34, 30, 0.08);
  color: #c6221e;
}

.workspace-body .text-action {
  border-radius: 0.2rem;
  box-shadow: none;
  background: rgba(255, 255, 255, 0.74);
}

.workspace-ref__section {
  display: grid;
  gap: 1rem;
}

.workspace-ref__section--cards {
  max-width: none;
}

.workspace-ref__section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.workspace-ref__heading {
  margin: 0;
  font-family: var(--headline);
  font-style: italic;
  font-size: 2.1rem;
  font-weight: 500;
  line-height: 1.05;
  white-space: nowrap;
  color: rgba(47, 52, 45, 0.9);
}

.workspace-ref__section-mark {
  color: rgba(47, 52, 45, 0.5);
}

.workspace-ref__section-toggle {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 0;
  background: transparent;
  color: inherit;
}

.workspace-ref__section-toggle.is-active {
  background: rgba(238, 232, 223, 0.9);
}

.workspace-ref__section-link {
  margin-left: auto;
  color: rgba(47, 52, 45, 0.46);
  font-size: 0.92rem;
}

.workspace-ref__browser-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.2rem;
}

.workspace-ref__browser-head > div {
  position: relative;
  padding-left: 0.95rem;
}

.workspace-ref__browser-head > div::before {
  content: "";
  position: absolute;
  top: 0.2rem;
  left: 0;
  width: 2px;
  height: calc(100% - 0.4rem);
  background: linear-gradient(180deg, rgba(198, 34, 30, 0.32), rgba(198, 34, 30, 0.04));
}

.workspace-ref__browser-eyebrow {
  margin: 0 0 0.35rem;
  color: rgba(47, 52, 45, 0.34);
  font-size: 0.78rem;
  font-family: var(--label);
  letter-spacing: 0.08em;
}

.workspace-ref__browser-desc {
  margin: 0.55rem 0 0;
  color: rgba(47, 52, 45, 0.5);
  font-size: 0.96rem;
  line-height: 1.7;
}

.workspace-ref__browser-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0 0.85rem;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(241, 236, 228, 0.98);
  color: rgba(47, 52, 45, 0.58);
  font-size: 0.84rem;
  white-space: nowrap;
}

.workspace-ref__browser-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.workspace-ref__browser-grid[hidden],
.workspace-ref__browser-empty[hidden] {
  display: none;
}

.workspace-ref__browser-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.9rem;
  min-height: 114px;
  padding: 1rem 1.05rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(241, 236, 228, 0.98);
  color: rgba(47, 52, 45, 0.86);
  box-shadow: 0 10px 24px rgba(69, 58, 41, 0.03);
  transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.workspace-ref__browser-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, rgba(198, 34, 30, 0.32), rgba(198, 34, 30, 0.04));
}

.workspace-ref__browser-card:hover {
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 14px 26px rgba(69, 58, 41, 0.05);
  transform: translateY(-2px);
}

.workspace-ref__browser-index {
  color: rgba(47, 52, 45, 0.24);
  font-family: var(--label);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
}

.workspace-ref__browser-copy {
  display: grid;
  gap: 0.34rem;
  min-width: 0;
}

.workspace-ref__browser-overline {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.workspace-ref__browser-seal {
  display: inline-grid;
  place-items: center;
  min-width: 1.45rem;
  height: 1.45rem;
  padding: 0 0.18rem;
  border: 1px solid rgba(198, 34, 30, 0.28);
  color: rgba(198, 34, 30, 0.76);
  font-family: var(--body);
  font-size: 0.76rem;
  font-weight: 600;
  line-height: 1;
}

.workspace-ref__browser-tag {
  color: rgba(47, 52, 45, 0.42);
  font-size: 0.74rem;
  font-family: var(--label);
  letter-spacing: 0.08em;
}

.workspace-ref__browser-copy strong {
  font-family: var(--body);
  font-size: 1.12rem;
  font-weight: 500;
  color: rgba(47, 52, 45, 0.88);
}

.workspace-ref__browser-hint {
  color: rgba(47, 52, 45, 0.38);
  font-size: 0.8rem;
  line-height: 1.6;
}

.workspace-ref__browser-card .material-symbols-outlined {
  color: rgba(47, 52, 45, 0.26);
  font-size: 1.12rem;
}

.workspace-ref__browser-empty {
  display: grid;
  place-items: center;
  min-height: 200px;
  border: 1px dashed rgba(88, 76, 58, 0.18);
  background: rgba(255, 255, 255, 0.26);
  color: rgba(47, 52, 45, 0.3);
  text-align: center;
}

.workspace-ref__browser-empty .material-symbols-outlined {
  font-size: 2rem;
}

.workspace-ref__browser-empty p {
  margin: 0.5rem 0 0;
}

.workspace-ref__quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.05rem;
}

.workspace-ref__quick-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 176px;
  padding: 1rem 0.95rem 1rem;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(241, 236, 228, 0.98);
  color: rgba(47, 52, 45, 0.9);
  box-shadow: 0 10px 24px rgba(69, 58, 41, 0.03);
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.workspace-ref__quick-card--muted {
  background: rgba(244, 239, 230, 0.72);
}

.workspace-ref__quick-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(69, 58, 41, 0.05);
}

.workspace-ref__quick-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
}

.workspace-ref__quick-seal {
  display: inline-grid;
  place-items: center;
  min-width: 1.55rem;
  height: 1.55rem;
  padding: 0 0.2rem;
  border: 1px solid rgba(198, 34, 30, 0.24);
  color: rgba(198, 34, 30, 0.72);
  font-family: var(--body);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1;
}

.workspace-ref__quick-card .material-symbols-outlined {
  color: rgba(47, 52, 45, 0.38);
  font-size: 1.5rem;
}

.workspace-ref__quick-copy {
  display: grid;
  gap: 0.32rem;
}

.workspace-ref__quick-label {
  color: rgba(47, 52, 45, 0.34);
  font-size: 0.74rem;
  font-family: var(--label);
  letter-spacing: 0.08em;
}

.workspace-ref__quick-card h3 {
  margin: 0;
  font-family: var(--body);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.3;
}

.workspace-ref__quick-card p {
  margin: 0;
  color: rgba(47, 52, 45, 0.38);
  font-size: 0.86rem;
  line-height: 1.6;
}

.workspace-ref__card-placeholder {
  display: grid;
  place-items: center;
  width: 140px;
  min-height: 122px;
  border: 1px dashed rgba(88, 76, 58, 0.18);
  color: rgba(47, 52, 45, 0.24);
  background: rgba(255, 255, 255, 0.28);
}

.workspace-ref__card-placeholder span {
  font-size: 2rem;
}

.workspace-ref__card-placeholder p {
  margin: 0.3rem 0 0;
}

.workspace-ref__mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.workspace-ref__mini-card {
  display: grid;
  gap: 0.38rem;
  min-height: 126px;
  padding: 1rem 1rem 0.95rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(241, 236, 228, 0.98);
  color: rgba(47, 52, 45, 0.86);
  box-shadow: 0 10px 24px rgba(69, 58, 41, 0.03);
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.workspace-ref__mini-card--muted {
  background: rgba(244, 239, 230, 0.72);
}

.workspace-ref__mini-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(69, 58, 41, 0.05);
}

.workspace-ref__mini-label {
  color: rgba(47, 52, 45, 0.34);
  font-size: 0.74rem;
  font-family: var(--label);
  letter-spacing: 0.08em;
}

.workspace-ref__mini-card strong {
  font-family: var(--body);
  font-size: 1.15rem;
  font-weight: 500;
  color: rgba(47, 52, 45, 0.88);
}

.workspace-ref__mini-card p {
  margin: 0;
  color: rgba(47, 52, 45, 0.42);
  font-size: 0.84rem;
  line-height: 1.65;
}

.workspace-ref__content--desk {
  max-width: 1080px;
  gap: 1.5rem;
}

.workspace-ref__desk {
  display: grid;
  gap: 1.2rem;
}

.workspace-ref__desk-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.2rem;
}

.workspace-ref__desk-head--documents {
  align-items: flex-start;
  gap: 0.8rem 1.4rem;
}

.workspace-ref__desk-tools {
  display: grid;
  justify-items: end;
  gap: 0.5rem;
  width: min(100%, 460px);
}

.workspace-ref__desk-copy {
  display: flex;
  align-items: flex-end;
  gap: 0.95rem;
  flex: 1;
  flex-wrap: wrap;
  max-width: none;
  min-width: 0;
}

.workspace-ref__desk-copy--documents {
  align-items: center;
  gap: 0.7rem;
  padding-top: 0;
}

.workspace-ref__desk-copy--documents .workspace-ref__heading {
  transform: translateY(-0.34rem);
}

.workspace-ref__doc-back {
  min-height: 1.9rem;
  padding: 0 0.7rem;
  border: 1px solid rgba(241, 236, 228, 0.98);
  background: rgba(255, 255, 255, 0.82);
  color: rgba(47, 52, 45, 0.54);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.workspace-ref__desk-eyebrow {
  margin: 0 0 0.35rem;
  color: rgba(47, 52, 45, 0.34);
  font-size: 0.78rem;
  font-family: var(--label);
  letter-spacing: 0.08em;
}

.workspace-ref__desk-desc {
  margin: 0 0 0.28rem;
  max-width: 420px;
  color: rgba(47, 52, 45, 0.52);
  font-size: 0.84rem;
  line-height: 1.65;
}

.workspace-ref__desk-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.workspace-ref__desk-actions--inline {
  justify-content: flex-start;
  flex: 1;
  min-width: 280px;
}

.workspace-ref__desk-action-flyout {
  position: relative;
  flex: 1;
  min-width: 280px;
}

.workspace-ref__desk-action-flyout--documents {
  position: relative;
  min-width: 0;
}

.workspace-ref__desk-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.18rem;
  padding: 0 0.92rem;
  border: 1px solid rgba(241, 236, 228, 0.98);
  background: rgba(255, 255, 255, 0.82);
  color: rgba(47, 52, 45, 0.74);
  font: inherit;
  font-size: 0.84rem;
  cursor: pointer;
}

.workspace-ref__desk-action .material-symbols-outlined {
  font-size: 1rem;
}

.workspace-ref__desk-action--primary {
  background: rgba(47, 52, 45, 0.92);
  border-color: rgba(47, 52, 45, 0.92);
  color: rgba(255, 255, 255, 0.94);
}

.workspace-ref__desk-action--soft {
  background: rgba(255, 252, 248, 0.96);
  color: rgba(47, 52, 45, 0.78);
}

.workspace-ref__desk-actions--documents {
  justify-content: flex-start;
  gap: 0.6rem;
}

.workspace-ref__stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.workspace-ref__stat-card {
  display: grid;
  gap: 0.22rem;
  padding: 0.95rem 1rem;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(241, 236, 228, 0.98);
  box-shadow: 0 10px 24px rgba(69, 58, 41, 0.03);
}

.workspace-ref__stat-card strong {
  font-family: var(--body);
  font-size: 1.35rem;
  font-weight: 600;
  color: rgba(47, 52, 45, 0.88);
}

.workspace-ref__stat-card span {
  color: rgba(47, 52, 45, 0.42);
  font-size: 0.82rem;
}

.workspace-ref__compact-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.workspace-ref__compact-stat {
  display: grid;
  gap: 0.15rem;
  padding: 0.58rem 0.7rem;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(241, 236, 228, 0.96);
  box-shadow: 0 8px 18px rgba(69, 58, 41, 0.018);
}

.workspace-ref__compact-stat strong {
  font-family: var(--body);
  font-size: 0.98rem;
  font-weight: 600;
  color: rgba(47, 52, 45, 0.86);
}

.workspace-ref__compact-stat span {
  color: rgba(47, 52, 45, 0.4);
  font-size: 0.71rem;
  line-height: 1.45;
}

.workspace-ref__compact-stats--library {
  min-width: 224px;
  max-width: 240px;
  gap: 0.45rem;
}

.workspace-ref__compact-stats--documents {
  min-width: auto;
  max-width: none;
  grid-template-columns: repeat(2, minmax(90px, auto));
  gap: 0.34rem;
  align-self: flex-start;
  margin-left: 0.86rem;
}

.workspace-ref__doc-head-side {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
  margin-left: auto;
}

.workspace-ref__compact-stats--documents .workspace-ref__compact-stat {
  min-width: 0;
  padding: 0.32rem 0.5rem;
}

.workspace-ref__compact-stats--documents .workspace-ref__compact-stat strong {
  font-size: 0.82rem;
}

.workspace-ref__compact-stats--documents .workspace-ref__compact-stat span {
  font-size: 0.61rem;
}

.workspace-ref__desk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.85fr);
  gap: 1rem;
}

.workspace-ref__desk-grid--single {
  grid-template-columns: 1fr;
}

.workspace-ref__side-stack {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.workspace-ref__library-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.workspace-ref__doc-view-switch {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(241, 236, 228, 0.98);
  color: rgba(47, 52, 45, 0.48);
  cursor: pointer;
}

.workspace-ref__doc-multi-toggle {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid rgba(241, 236, 228, 0.98);
  background: rgba(255, 255, 255, 0.92);
  color: rgba(47, 52, 45, 0.48);
  cursor: pointer;
}

.workspace-ref__doc-view-switch .material-symbols-outlined {
  font-size: 1.08rem;
}

.workspace-ref__doc-view-switch:hover,
.workspace-ref__doc-view-switch:focus-visible {
  background: rgba(244, 239, 230, 0.92);
  color: rgba(47, 52, 45, 0.8);
}

.workspace-ref__doc-multi-toggle .material-symbols-outlined {
  font-size: 1.06rem;
}

.workspace-ref__doc-multi-toggle:hover,
.workspace-ref__doc-multi-toggle:focus-visible,
.workspace-ref__doc-multi-toggle.is-active {
  background: rgba(244, 239, 230, 0.92);
  color: rgba(47, 52, 45, 0.82);
}

.workspace-ref__doc-bulk-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 1rem;
  padding: 0.78rem 0.92rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(241, 236, 228, 0.98);
}

.workspace-ref__doc-bulk-bar[hidden] {
  display: none;
}

.workspace-ref__doc-bulk-link {
  border: 0;
  background: transparent;
  color: rgba(180, 58, 44, 0.9);
  font: inherit;
  cursor: pointer;
}

.workspace-ref__doc-bulk-actions {
  display: flex;
  align-items: center;
  gap: 0.46rem;
  margin-left: auto;
}

.workspace-ref__doc-bulk-action {
  display: grid;
  place-items: center;
  gap: 0.18rem;
  min-width: 4rem;
  padding: 0.38rem 0.5rem;
  border: 1px solid rgba(241, 236, 228, 0.98);
  background: rgba(255, 252, 248, 0.96);
  color: rgba(47, 52, 45, 0.72);
  font: inherit;
  cursor: pointer;
}

.workspace-ref__doc-bulk-action .material-symbols-outlined {
  font-size: 1.08rem;
}

.workspace-ref__doc-bulk-action span:last-child {
  font-size: 0.74rem;
}

.workspace-ref__doc-bulk-action[disabled] {
  opacity: 0.42;
  cursor: not-allowed;
}

.workspace-ref__doc-bulk-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(47, 52, 45, 0.42);
  font-size: 0.78rem;
}

.workspace-ref__doc-stage {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1rem 0.82rem;
}

.workspace-ref__doc-stage[data-doc-view="list"] {
  grid-template-columns: 1fr;
  gap: 0.58rem;
}

.workspace-ref__shelf-card,
.workspace-ref__doc-list-card {
  position: relative;
  display: grid;
  gap: 0.58rem;
}

.workspace-ref__doc-select-toggle {
  position: absolute;
  top: 0.48rem;
  right: 0.48rem;
  z-index: 3;
  display: none;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  border: 1px solid rgba(241, 236, 228, 0.98);
  background: rgba(255, 255, 255, 0.95);
  color: rgba(47, 52, 45, 0.4);
  cursor: pointer;
}

.workspace-ref.is-doc-selection-mode .workspace-ref__doc-select-toggle {
  display: grid;
}

.workspace-ref__doc-select-toggle .material-symbols-outlined {
  font-size: 0.94rem;
}

.workspace-ref__doc-select-toggle.is-selected {
  background: rgba(180, 58, 44, 0.9);
  color: rgba(255, 249, 244, 0.96);
  border-color: rgba(180, 58, 44, 0.9);
}

.workspace-ref__shelf-card::after {
  display: none;
}

.workspace-ref__doc-cover {
  position: relative;
  min-height: 178px;
  border: 1px solid rgba(238, 233, 225, 0.98);
  background-color: rgba(255, 255, 255, 0.96);
  background-position: center;
  background-size: cover;
  box-shadow: 0 12px 24px rgba(69, 58, 41, 0.038);
  overflow: hidden;
}

.workspace-ref__doc-cover::before,
.workspace-ref__doc-cover::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.workspace-ref__doc-cover--paper {
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 242, 234, 0.92)),
    url("../images/paper-texture.jpg");
}

.workspace-ref__doc-cover--paper::before {
  inset: 12px 14px;
  border: 1px solid rgba(88, 76, 58, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(249, 244, 236, 0.9)),
    repeating-linear-gradient(
      180deg,
      rgba(88, 76, 58, 0.08) 0 1px,
      transparent 1px 18px
    );
}

.workspace-ref__doc-cover--paper::after {
  right: 18px;
  bottom: 16px;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(198, 34, 30, 0.18);
  background: rgba(255, 250, 245, 0.8);
}

.workspace-ref__doc-cover--landscape,
.workspace-ref__doc-cover--image {
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(248, 242, 234, 0.28)),
    url("../images/ink-landscape.jpg");
}

.workspace-ref__doc-cover--landscape::before,
.workspace-ref__doc-cover--image::before {
  inset: auto 0 0 0;
  height: 48%;
  background: linear-gradient(180deg, transparent, rgba(255, 248, 240, 0.72));
}

.workspace-ref__doc-cover--image {
  background-position: center top;
}

.workspace-ref__doc-cover--book {
  --book-face: #63c9e4;
  --book-face-deep: #44b1d0;
  --book-spine: #11789a;
  --book-edge: #2a95b6;
  --book-shadow: rgba(45, 111, 128, 0.18);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  overflow: visible;
}

.workspace-ref__doc-cover--book::before {
  inset: 16% 28% 12% 34%;
  border-radius: 10px 14px 8px 10px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 0 10%, transparent 10% 82%, rgba(22, 92, 115, 0.16) 82% 100%),
    linear-gradient(180deg, var(--book-face), var(--book-face-deep));
  box-shadow:
    0 14px 26px var(--book-shadow),
    inset -8px 0 0 rgba(14, 86, 108, 0.18);
}

.workspace-ref__doc-cover--book::after {
  left: 28%;
  top: 16%;
  width: 9%;
  height: 72%;
  border-radius: 10px 0 0 10px;
  background: linear-gradient(180deg, var(--book-spine), var(--book-edge));
  box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.2);
}

.workspace-ref__doc-cover--book.workspace-ref__doc-cover--tone-muted {
  --book-face: #2e6c69;
  --book-face-deep: #255552;
  --book-spine: #174b48;
  --book-edge: #3f7976;
  --book-shadow: rgba(31, 62, 60, 0.18);
}

.workspace-ref__doc-cover--folder {
  --folder-tab: #cdc2e8;
  --folder-face: #b5a7d9;
  --folder-face-deep: #9d8ac8;
  --folder-shadow: rgba(84, 65, 118, 0.16);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  overflow: visible;
}

.workspace-ref__doc-cover--folder::before {
  left: 16%;
  top: 28%;
  width: 68%;
  height: 48%;
  border-radius: 14px 14px 13px 13px;
  background: linear-gradient(180deg, var(--folder-face), var(--folder-face-deep));
  box-shadow: 0 14px 24px var(--folder-shadow);
}

.workspace-ref__doc-cover--folder::after {
  left: 21%;
  top: 20%;
  width: 31%;
  height: 12%;
  border-radius: 10px 10px 0 0;
  background: linear-gradient(180deg, var(--folder-tab), var(--folder-face));
}

.workspace-ref__doc-cover--create {
  display: grid;
  place-items: center;
  gap: 0.24rem;
  border-style: dashed;
  border-color: rgba(88, 76, 58, 0.18);
  background: rgba(255, 255, 255, 0.38);
  color: rgba(47, 52, 45, 0.34);
  text-align: center;
  cursor: pointer;
}

.workspace-ref__doc-cover--create .material-symbols-outlined {
  font-size: 1.65rem;
}

.workspace-ref__doc-cover--create small {
  font-size: 0.78rem;
}

.workspace-ref__doc-card-copy {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.workspace-ref__doc-card-copy strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--body);
  font-size: 0.98rem;
  font-weight: 500;
  color: rgba(47, 52, 45, 0.88);
}

.workspace-ref__doc-card-copy span {
  color: rgba(47, 52, 45, 0.38);
  font-size: 0.74rem;
}

.workspace-ref__book {
  position: relative;
  display: grid;
  grid-template-columns: 1.06rem minmax(0, 1fr) 1.16rem;
  align-items: stretch;
  min-height: 188px;
  padding: 0.72rem 0.58rem 0.68rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(253, 249, 242, 0.99)),
    url("../images/paper-texture.jpg") center/cover;
  border: 1px solid rgba(238, 233, 225, 0.98);
  box-shadow: 0 12px 24px rgba(69, 58, 41, 0.038);
  overflow: hidden;
}

.workspace-ref__book::before,
.workspace-ref__book::after {
  content: "";
  position: absolute;
  top: 12%;
  bottom: 12%;
  width: 1px;
  background: rgba(88, 76, 58, 0.06);
}

.workspace-ref__book::before {
  left: 2.55rem;
}

.workspace-ref__book::after {
  right: 2.6rem;
}

.workspace-ref__shelf-card--muted .workspace-ref__book {
  background:
    linear-gradient(180deg, rgba(255, 252, 247, 0.99), rgba(248, 242, 232, 0.99)),
    url("../images/paper-texture.jpg") center/cover;
}

.workspace-ref__book-series,
.workspace-ref__book-side {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  align-self: center;
  color: rgba(47, 52, 45, 0.34);
  font-size: 0.56rem;
  font-family: var(--label);
  letter-spacing: 0.08em;
}

.workspace-ref__book-title {
  justify-self: center;
  align-self: center;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--body);
  font-size: 1.14rem;
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: 0.08em;
  color: rgba(47, 52, 45, 0.92);
}

.workspace-ref__book-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.6rem;
  color: rgba(47, 52, 45, 0.38);
  font-size: 0.68rem;
}

.workspace-ref__doc-card-tools {
  position: absolute;
  top: 0.46rem;
  right: 0.46rem;
  z-index: 2;
  display: flex;
  gap: 0.2rem;
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.workspace-ref__shelf-card:hover .workspace-ref__doc-card-tools,
.workspace-ref__doc-list-card:hover .workspace-ref__doc-card-tools {
  opacity: 1;
  transform: translateY(0);
}

.workspace-ref.is-doc-selection-mode .workspace-ref__doc-card-tools {
  display: none;
}

.workspace-ref__doc-card-tool {
  display: grid;
  place-items: center;
  width: 1.58rem;
  height: 1.58rem;
  border: 1px solid rgba(241, 236, 228, 0.98);
  background: rgba(255, 255, 255, 0.95);
  color: rgba(47, 52, 45, 0.52);
  cursor: pointer;
}

.workspace-ref__doc-card-tool .material-symbols-outlined {
  font-size: 0.9rem;
}

.workspace-ref__doc-card-tool.is-favorite {
  color: rgba(180, 58, 44, 0.92);
}

.workspace-ref__shelf-card.is-selected .workspace-ref__doc-cover,
.workspace-ref__doc-list-card.is-selected {
  border-color: rgba(180, 58, 44, 0.34);
  background-color: rgba(255, 248, 244, 0.95);
}

.workspace-ref__shelf-card.is-selected .workspace-ref__doc-card-copy strong,
.workspace-ref__doc-list-card.is-selected .workspace-ref__doc-list-copy strong {
  color: rgba(180, 58, 44, 0.92);
}

.workspace-ref__doc-list-card {
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: center;
  gap: 0.75rem;
  min-height: 74px;
  padding: 0.62rem 0.72rem;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(241, 236, 228, 0.98);
}

.workspace-ref__doc-list-cover {
  position: relative;
  min-height: 58px;
  border: 1px solid rgba(241, 236, 228, 0.98);
  background-position: center;
  background-size: cover;
}

.workspace-ref__doc-list-cover::before,
.workspace-ref__doc-list-cover::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.workspace-ref__doc-list-cover.workspace-ref__doc-cover--book {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  overflow: visible;
}

.workspace-ref__doc-list-cover.workspace-ref__doc-cover--book::before {
  inset: 10% 23% 8% 34%;
  border-radius: 6px 8px 5px 6px;
  box-shadow:
    0 7px 12px var(--book-shadow),
    inset -4px 0 0 rgba(14, 86, 108, 0.18);
}

.workspace-ref__doc-list-cover.workspace-ref__doc-cover--book::after {
  left: 24%;
  top: 10%;
  width: 11%;
  height: 82%;
  border-radius: 6px 0 0 6px;
}

.workspace-ref__doc-list-cover.workspace-ref__doc-cover--folder {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  overflow: visible;
}

.workspace-ref__doc-list-cover.workspace-ref__doc-cover--folder::before {
  left: 8%;
  top: 30%;
  width: 78%;
  height: 42%;
  border-radius: 10px;
  box-shadow: 0 7px 12px var(--folder-shadow);
}

.workspace-ref__doc-list-cover.workspace-ref__doc-cover--folder::after {
  left: 15%;
  top: 20%;
  width: 34%;
  height: 14%;
  border-radius: 8px 8px 0 0;
}

.workspace-ref__doc-list-copy {
  display: grid;
  gap: 0.22rem;
}

.workspace-ref__doc-list-copy strong {
  font-family: var(--body);
  font-size: 0.94rem;
  font-weight: 500;
  color: rgba(47, 52, 45, 0.84);
}

.workspace-ref__doc-list-copy span {
  color: rgba(47, 52, 45, 0.4);
  font-size: 0.72rem;
}

.workspace-ref__doc-list-card--create .workspace-ref__doc-list-cover {
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 244, 236, 0.96)),
    url("../images/paper-texture.jpg") center/cover;
}

.workspace-ref__doc-list-card--create .material-symbols-outlined {
  font-size: 1.18rem;
  color: rgba(47, 52, 45, 0.48);
}

.workspace-ref__doc-list-card--create {
  cursor: pointer;
}

.workspace-ref__shelf-card--create .workspace-ref__doc-card-tools,
.workspace-ref__doc-list-card--create .workspace-ref__doc-card-tools {
  display: none;
}

.workspace-ref__doc-editor {
  display: grid;
  gap: 0.72rem;
  width: min(316px, calc(100vw - 2rem));
  padding: 0.86rem;
  background: rgba(255, 252, 248, 0.995);
  border: 1px solid rgba(88, 76, 58, 0.1);
  box-shadow: 0 18px 34px rgba(68, 57, 41, 0.09);
  border-radius: 0.42rem;
  z-index: 16;
}

.workspace-ref__doc-editor.is-floating {
  position: fixed;
  top: 0;
  left: 0;
}

.workspace-ref__doc-editor[hidden] {
  display: none;
}

.workspace-ref__doc-batch-panel {
  width: min(280px, calc(100vw - 2rem));
}

.workspace-ref__doc-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.workspace-ref__doc-editor-head strong {
  font-family: var(--body);
  font-size: 1rem;
  font-weight: 600;
}

.workspace-ref__doc-field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.workspace-ref__doc-field {
  display: grid;
  gap: 0.35rem;
}

.workspace-ref__doc-field span {
  color: rgba(47, 52, 45, 0.42);
  font-size: 0.8rem;
}

.workspace-ref__doc-field input,
.workspace-ref__doc-field select {
  min-height: 2.4rem;
  padding: 0 0.75rem;
  border: 1px solid rgba(241, 236, 228, 0.98);
  background: rgba(255, 255, 255, 0.94);
  color: rgba(47, 52, 45, 0.82);
  font: inherit;
}

.workspace-ref__doc-create-menu {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 14;
  display: grid;
  gap: 0.2rem;
  width: 220px;
  padding: 0.42rem;
  background: rgba(255, 252, 248, 0.995);
  border: 1px solid rgba(88, 76, 58, 0.1);
  box-shadow: 0 18px 34px rgba(68, 57, 41, 0.09);
  border-radius: 0.42rem;
}

.workspace-ref__doc-create-menu[hidden] {
  display: none;
}

.workspace-ref__doc-create-menu.is-floating {
  position: fixed;
}

.workspace-ref__doc-create-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.62rem;
  min-height: 2.85rem;
  padding: 0.68rem 0.74rem;
  border: 0;
  background: rgba(255, 255, 255, 0.76);
  color: rgba(47, 52, 45, 0.82);
  text-align: left;
  cursor: pointer;
}

.workspace-ref__doc-create-option .material-symbols-outlined {
  font-size: 1.22rem;
  color: rgba(47, 52, 45, 0.6);
}

.workspace-ref__doc-create-option strong {
  font-family: var(--body);
  font-size: 0.92rem;
  font-weight: 600;
}

.workspace-ref__doc-editor-actions {
  display: flex;
  gap: 0.55rem;
  justify-content: flex-end;
}

.workspace-ref__panel {
  display: grid;
  gap: 0.95rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(241, 236, 228, 0.98);
  box-shadow: 0 10px 24px rgba(69, 58, 41, 0.03);
}

.workspace-ref__panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.9rem;
}

.workspace-ref__panel-head strong {
  font-family: var(--body);
  font-size: 1rem;
  font-weight: 600;
  color: rgba(47, 52, 45, 0.84);
}

.workspace-ref__panel-head span {
  color: rgba(47, 52, 45, 0.38);
  font-size: 0.78rem;
  text-align: right;
}

.workspace-ref__folder-grid,
.workspace-ref__topic-grid,
.workspace-ref__notebook-grid,
.workspace-ref__favorite-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.workspace-ref__folder-card,
.workspace-ref__topic-card,
.workspace-ref__notebook-card,
.workspace-ref__favorite-card {
  display: grid;
  gap: 0.28rem;
  min-height: 96px;
  padding: 0.95rem;
  background: rgba(252, 248, 241, 0.78);
  border: 1px solid rgba(241, 236, 228, 0.98);
}

.workspace-ref__folder-card--muted,
.workspace-ref__topic-card--muted,
.workspace-ref__notebook-card--muted,
.workspace-ref__favorite-card--muted {
  background: rgba(244, 239, 230, 0.72);
}

.workspace-ref__folder-card strong,
.workspace-ref__topic-card strong,
.workspace-ref__notebook-card strong,
.workspace-ref__favorite-card strong,
.workspace-ref__entry-item strong,
.workspace-ref__archive-note strong {
  font-family: var(--body);
  font-size: 1.05rem;
  font-weight: 500;
  color: rgba(47, 52, 45, 0.86);
}

.workspace-ref__folder-card span,
.workspace-ref__notebook-card span,
.workspace-ref__favorite-card span,
.workspace-ref__entry-item p,
.workspace-ref__archive-note p,
.workspace-ref__topic-card p {
  margin: 0;
  color: rgba(47, 52, 45, 0.42);
  font-size: 0.82rem;
  line-height: 1.65;
}

.workspace-ref__doc-table,
.workspace-ref__entry-list,
.workspace-ref__simple-list {
  display: grid;
  gap: 0.55rem;
}

.workspace-ref__doc-row {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 0.7rem;
  align-items: center;
  padding: 0.82rem 0.9rem;
  background: rgba(252, 248, 241, 0.72);
  border: 1px solid rgba(241, 236, 228, 0.92);
}

.workspace-ref__doc-row--head {
  padding-top: 0;
  padding-bottom: 0;
  background: transparent;
  border: 0;
  color: rgba(47, 52, 45, 0.34);
  font-size: 0.76rem;
  font-family: var(--label);
  letter-spacing: 0.08em;
}

.workspace-ref__doc-row strong,
.workspace-ref__doc-row span,
.workspace-ref__doc-row time {
  color: rgba(47, 52, 45, 0.72);
  font-size: 0.84rem;
}

.workspace-ref__doc-row strong {
  font-weight: 500;
  color: rgba(47, 52, 45, 0.86);
}

.workspace-ref__doc-row--empty {
  background: rgba(255, 255, 255, 0.74);
}

.workspace-ref__dropzone {
  display: grid;
  place-items: center;
  min-height: 156px;
  padding: 1rem;
  border: 1px dashed rgba(88, 76, 58, 0.18);
  background: rgba(252, 248, 241, 0.64);
  text-align: center;
}

.workspace-ref__dropzone .material-symbols-outlined {
  font-size: 2rem;
  color: rgba(47, 52, 45, 0.32);
}

.workspace-ref__dropzone strong {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--body);
  font-size: 1.02rem;
  color: rgba(47, 52, 45, 0.8);
}

.workspace-ref__dropzone p {
  margin: 0.35rem 0 0;
  color: rgba(47, 52, 45, 0.42);
  font-size: 0.84rem;
  line-height: 1.65;
}

.workspace-ref__tip-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding-left: 1.1rem;
  color: rgba(47, 52, 45, 0.58);
  font-size: 0.84rem;
  line-height: 1.7;
}

.workspace-ref__entry-item,
.workspace-ref__simple-list div {
  display: grid;
  gap: 0.24rem;
  padding: 0.8rem 0.9rem;
  background: rgba(252, 248, 241, 0.72);
  border: 1px solid rgba(241, 236, 228, 0.92);
}

.workspace-ref__simple-list span {
  color: rgba(47, 52, 45, 0.42);
  font-size: 0.82rem;
}

.workspace-ref__card-rack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.workspace-ref__knowledge-card {
  display: grid;
  gap: 0.38rem;
  min-height: 132px;
  padding: 0.95rem;
  background: rgba(252, 248, 241, 0.78);
  border: 1px solid rgba(241, 236, 228, 0.98);
}

.workspace-ref__knowledge-card--muted {
  background: rgba(244, 239, 230, 0.72);
}

.workspace-ref__knowledge-card span {
  color: rgba(47, 52, 45, 0.34);
  font-size: 0.74rem;
  font-family: var(--label);
  letter-spacing: 0.08em;
}

.workspace-ref__knowledge-card strong {
  font-family: var(--body);
  font-size: 1.08rem;
  font-weight: 500;
}

.workspace-ref__knowledge-card p {
  margin: 0;
  color: rgba(47, 52, 45, 0.42);
  font-size: 0.83rem;
  line-height: 1.65;
}

.workspace-ref__archive-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.workspace-ref__archive-column {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(241, 236, 228, 0.98);
  box-shadow: 0 10px 24px rgba(69, 58, 41, 0.03);
}

.workspace-ref__archive-note {
  display: grid;
  gap: 0.28rem;
  padding: 0.9rem;
  background: rgba(252, 248, 241, 0.74);
  border: 1px solid rgba(241, 236, 228, 0.92);
}

.workspace-ref__archive-note--muted {
  background: rgba(244, 239, 230, 0.72);
}

.workspace-ref__recent-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.workspace-ref__recent-card {
  position: relative;
  display: grid;
  gap: 0.85rem;
}

.workspace-ref__check {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  z-index: 2;
  display: none;
}

.workspace-ref__check input {
  width: 0.95rem;
  height: 0.95rem;
  accent-color: #c6221e;
}

.workspace-body.is-selection-mode .workspace-ref__check {
  display: block;
}

.workspace-ref__cover {
  min-height: 200px;
  border: 1px solid rgba(241, 236, 228, 0.96);
  background: rgba(255, 255, 255, 0.72);
  overflow: hidden;
}

.workspace-ref__cover--book {
  background:
    linear-gradient(180deg, rgba(212, 192, 142, 0.5), rgba(192, 172, 120, 0.44)),
    url("../images/paper-texture.jpg") center/cover;
}

.workspace-ref__cover--note {
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.78);
}

.workspace-ref__cover-note {
  display: grid;
  gap: 0.7rem;
  height: 100%;
  padding: 1rem 0.8rem;
  background: rgba(255, 255, 255, 0.88);
}

.workspace-ref__cover-note span {
  color: rgba(47, 52, 45, 0.36);
  font-size: 0.74rem;
}

.workspace-ref__cover-note strong {
  font-family: var(--body);
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.55;
  color: rgba(47, 52, 45, 0.86);
}

.workspace-ref__cover--vertical {
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.84);
}

.workspace-ref__vertical-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--headline);
  font-size: 2rem;
  letter-spacing: 0.14em;
  color: rgba(47, 52, 45, 0.84);
}

.workspace-ref__cover--paper {
  background:
    linear-gradient(180deg, rgba(251, 246, 232, 0.72), rgba(236, 223, 189, 0.82)),
    url("../images/paper-texture.jpg") center/cover;
}

.workspace-ref__recent-meta {
  display: grid;
  gap: 0.22rem;
}

.workspace-ref__label {
  color: rgba(47, 52, 45, 0.34);
  font-size: 0.76rem;
  font-family: var(--label);
}

.workspace-ref__recent-meta h3 {
  margin: 0;
  font-family: var(--body);
  font-size: 1.08rem;
  font-weight: 500;
  color: rgba(47, 52, 45, 0.82);
}

@media (max-width: 1120px) {
  .workspace-ref {
    grid-template-columns: 1fr;
  }

  .workspace-ref__sidebar {
    border-right: 0;
    border-bottom: 1px solid rgba(88, 76, 58, 0.08);
  }

  .workspace-ref__content {
    max-width: none;
  }

  .workspace-ref__library-head {
    flex-direction: column;
    align-items: stretch;
  }

  .workspace-ref__desk-tools,
  .workspace-ref__doc-utility {
    width: 100%;
    justify-items: stretch;
  }

  .workspace-ref__desk-head--documents {
    align-items: stretch;
  }

  .workspace-ref__compact-stats--library {
    min-width: 0;
    max-width: none;
  }

  .workspace-ref__compact-stats--documents {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace-ref__doc-stage[data-doc-view="shelf"],
  .workspace-ref__doc-stage[data-doc-view="compact"] {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .workspace-ref__desk-grid {
    grid-template-columns: 1fr;
  }

  .workspace-ref__archive-board,
  .workspace-ref__browser-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace-ref__popovers {
    position: static;
    margin-bottom: 1rem;
    justify-items: stretch;
    pointer-events: auto;
  }

  .workspace-ref__popover {
    width: 100%;
  }

  .workspace-ref__desk-action-flyout {
    width: 100%;
    min-width: 0;
  }

  .workspace-ref__desk-copy--documents {
    width: 100%;
  }

  .workspace-ref__desk-action-flyout--documents {
    justify-items: start;
  }

  .workspace-ref__desk-action-flyout .workspace-ref__doc-editor {
    width: 100%;
  }

  .workspace-ref__stat-row,
  .workspace-ref__compact-stats,
  .workspace-ref__card-rack,
  .workspace-ref__folder-grid,
  .workspace-ref__topic-grid,
  .workspace-ref__notebook-grid,
  .workspace-ref__favorite-grid,
  .workspace-ref__mini-grid,
  .workspace-ref__quick-grid,
  .workspace-ref__recent-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .workspace-ref__main {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  .workspace-ref__topbar {
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
  }

  .workspace-ref__library-filters {
    gap: 0.5rem 0.8rem;
  }

  .workspace-ref__doc-field-row {
    grid-template-columns: 1fr;
  }

  .workspace-ref__desk-head,
  .workspace-ref__browser-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .workspace-ref__desk-copy {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  .workspace-ref__desk-copy--documents {
    gap: 0.6rem;
  }

  .workspace-ref__desk-desc {
    max-width: none;
    margin: 0;
  }

  .workspace-ref__desk-actions {
    justify-content: flex-start;
  }

  .workspace-ref__desk-actions--inline {
    min-width: 0;
  }

  .workspace-ref__desk-copy--documents,
  .workspace-ref__desk-actions--documents {
    width: 100%;
  }

  .workspace-ref__desk-copy--documents {
    align-items: flex-start;
  }

  .workspace-ref__compact-stats--documents {
    width: 100%;
  }

  .workspace-ref__doc-create-menu {
    width: min(240px, calc(100vw - 2rem));
  }

  .workspace-ref__doc-row {
    grid-template-columns: 1fr;
  }

  .workspace-ref__mini-grid,
  .workspace-ref__stat-row,
  .workspace-ref__compact-stats,
  .workspace-ref__card-rack,
  .workspace-ref__doc-stage[data-doc-view="shelf"],
  .workspace-ref__doc-stage[data-doc-view="compact"],
  .workspace-ref__folder-grid,
  .workspace-ref__topic-grid,
  .workspace-ref__notebook-grid,
  .workspace-ref__favorite-grid,
  .workspace-ref__quick-grid,
  .workspace-ref__recent-grid,
  .workspace-ref__archive-board,
  .workspace-ref__browser-grid {
    grid-template-columns: 1fr;
  }

  .workspace-ref__heading {
    font-size: 1.95rem;
  }

  .workspace-ref__book {
    min-height: 196px;
  }

  .workspace-ref__book-title {
    font-size: 1.28rem;
  }

  .workspace-ref__doc-list-card,
  .workspace-ref__doc-list-card--add {
    grid-template-columns: 1fr;
  }

  .workspace-ref__doc-list-cover {
    min-height: 68px;
    writing-mode: horizontal-tb;
    text-orientation: mixed;
  }
}