:root {
  --bg: #edf1ef;
  --paper: #fbfcfb;
  --panel: #ffffff;
  --ink: #18211f;
  --muted: #64716c;
  --line: rgba(24, 33, 31, 0.1);
  --line-strong: rgba(24, 33, 31, 0.18);
  --accent: #176b62;
  --accent-soft: rgba(23, 107, 98, 0.1);
  --warm: #a15a36;
  --warm-soft: rgba(161, 90, 54, 0.1);
  --nav-bg: rgba(247, 250, 249, 0.92);
  --nav-surface: rgba(23, 107, 98, 0.04);
  --nav-line: rgba(24, 33, 31, 0.08);
  --nav-ink: #18211f;
  --nav-muted: #6b7872;
  --shadow: 0 20px 46px rgba(22, 32, 30, 0.08);
  --shadow-soft: 0 8px 18px rgba(22, 32, 30, 0.05);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --content-max: 1660px;
  --text-measure: 62ch;
  --tight-measure: 44ch;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(23, 107, 98, 0.06), transparent 28%),
    linear-gradient(180deg, #f4f7f6 0%, #edf1ef 100%);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.42), transparent 22%);
  opacity: 0.7;
}

a {
  color: inherit;
}

button,
input,
.meta-chip,
.tab-button {
  font-family: "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(var(--content-max), calc(100vw - 28px));
  margin: 0 auto;
  padding: 14px 0 28px;
}

.topbar,
.panel,
.project-card,
.spotlight-card,
.workspace-card {
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  padding: 16px 20px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 26px rgba(22, 32, 30, 0.06);
}

.eyebrow,
.section-label {
  margin: 0;
  color: var(--warm);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topbar h1,
.rail-head h2,
.spotlight h2 {
  margin: 6px 0 0;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.topbar h1 {
  font-size: 35px;
}

.topbar-copy,
.workspace-copy,
.project-card p,
.workspace-card p,
.spotlight-card-body span {
  color: var(--muted);
  line-height: 1.78;
}

.topbar-copy,
.workspace-copy,
.project-card p,
.workspace-card p {
  margin: 0;
}

.topbar-copy,
.workspace-copy {
  max-width: var(--text-measure);
}

.topbar-status,
.workspace-meta,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-chip,
.tab-button {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  letter-spacing: 0.01em;
}

.rail-toggle {
  cursor: pointer;
  color: var(--ink);
  white-space: nowrap;
}

.rail-toggle:hover {
  border-color: rgba(15, 106, 99, 0.22);
  background: rgba(255, 255, 255, 0.92);
}

.studio-layout {
  display: grid;
  grid-template-columns: minmax(300px, 342px) minmax(0, 1fr);
  gap: 18px;
  margin-top: 14px;
  align-items: start;
}

.studio-layout.rail-collapsed {
  grid-template-columns: 92px minmax(0, 1fr);
}

.rail {
  display: grid;
  gap: 10px;
  position: sticky;
  top: 18px;
  max-height: calc(100vh - 36px);
  overflow: auto;
  padding: 2px 2px 2px 0;
  transition: width 180ms ease, transform 180ms ease;
}

.rail.is-collapsed {
  width: 92px;
}

.panel {
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.84);
  overflow: clip;
}

.rail-panel,
.workspace {
  padding: 18px;
}

.rail-panel {
  display: grid;
  gap: 12px;
  background: var(--nav-bg);
  border-color: var(--nav-line);
  color: var(--nav-ink);
  box-shadow: 0 6px 16px rgba(22, 32, 30, 0.04);
}

.rail-panel--primary {
  padding-bottom: 16px;
}

.rail-panel--list {
  padding-top: 16px;
}

.rail-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
  margin-bottom: 4px;
}

.rail-head > div {
  min-width: 0;
}

.rail-head h2,
.spotlight h2 {
  font-size: 26px;
}

.rail .section-label,
.rail .project-card .section-label {
  color: var(--nav-muted);
}

.rail-head h2,
.rail strong,
.rail .project-card h3 {
  color: var(--nav-ink);
}

.rail .priority-list,
.rail .project-card p,
.rail .metric-item span,
.rail .sidebar-summary-copy {
  color: var(--nav-muted);
}

.rail.is-collapsed .rail-head {
  justify-content: center;
}

.rail.is-collapsed .rail-head > div {
  display: none;
}

.rail.is-collapsed .rail-toggle {
  min-width: 36px;
  padding: 0;
}

.sidebar-summary {
  display: grid;
  gap: 7px;
  padding: 15px 15px 14px;
  border-radius: var(--radius-md);
  background: var(--nav-surface);
  border: 1px solid var(--nav-line);
}

.sidebar-summary-label {
  margin: 0;
  color: var(--nav-muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.sidebar-summary h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.26;
  letter-spacing: -0.015em;
  max-width: 22ch;
}

.sidebar-summary-copy {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.58;
  max-width: 34ch;
}

.sidebar-summary-meta {
  margin-top: 2px;
}

.evidence-card {
  display: grid;
  gap: 14px;
}

.evidence-head-copy {
  display: grid;
  gap: 6px;
}

.evidence-head-copy h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.28;
  letter-spacing: -0.015em;
}

.evidence-block {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.evidence-label {
  margin: 0;
  color: var(--warm);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.module-tree-grid {
  display: grid;
  gap: 14px;
}

.module-tree-item {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
}

.data-tree {
  display: grid;
  gap: 8px;
}

.data-tree-children {
  display: grid;
  gap: 8px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.data-tree-node {
  display: grid;
  gap: 8px;
}

.data-tree-row {
  display: grid;
  gap: 4px;
}

.data-tree-row--head {
  padding-top: 2px;
}

.data-tree-key {
  color: var(--warm);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.data-tree-value {
  color: var(--muted);
  line-height: 1.72;
  white-space: pre-wrap;
  word-break: break-word;
}

.readiness-chart {
  display: grid;
  gap: 12px;
}

.readiness-row {
  display: grid;
  gap: 6px;
}

.readiness-row-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  color: var(--ink);
}

.readiness-row-head span {
  font-size: 13px;
  letter-spacing: 0.01em;
}

.readiness-row-head strong {
  font-size: 13px;
}

.readiness-track {
  position: relative;
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: rgba(24, 33, 31, 0.08);
}

.readiness-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #176b62 0%, #3e9187 100%);
}

.paper-resource-card {
  display: grid;
  gap: 12px;
}

.markdown-reader-card {
  overflow: hidden;
}

.markdown-reader {
  display: grid;
  gap: 14px;
  color: var(--ink);
}

.markdown-reader > :first-child {
  margin-top: 0;
}

.markdown-reader > :last-child {
  margin-bottom: 0;
}

.markdown-reader h1,
.markdown-reader h2,
.markdown-reader h3 {
  margin: 0;
  line-height: 1.28;
  color: #143833;
}

.markdown-reader h1 {
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}

.markdown-reader h2 {
  padding-top: 6px;
  font-size: 1.05rem;
  border-top: 1px solid rgba(23, 107, 98, 0.14);
}

.markdown-reader h3 {
  font-size: 0.95rem;
  color: #176b62;
}

.markdown-reader p {
  margin: 0;
  line-height: 1.7;
  color: rgba(20, 34, 32, 0.88);
}

.markdown-reader ul {
  margin: -2px 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 7px;
}

.markdown-reader li {
  line-height: 1.6;
  color: rgba(20, 34, 32, 0.88);
}

.markdown-reader code {
  padding: 0.14rem 0.38rem;
  border-radius: 8px;
  background: rgba(23, 107, 98, 0.08);
  font-size: 0.9em;
  color: #15564f;
}

.markdown-reader pre {
  margin: 4px 0;
  padding: 14px 16px;
  overflow-x: auto;
  border: 1px solid rgba(23, 107, 98, 0.14);
  border-radius: var(--radius-md);
  background: rgba(241, 247, 245, 0.92);
}

.markdown-reader pre code {
  padding: 0;
  background: transparent;
  color: #143833;
}

.paper-resource-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.paper-pdf-frame {
  width: 100%;
  min-height: 820px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
}

@media (max-width: 900px) {
  .paper-pdf-frame {
    min-height: 72vh;
  }
}

.rail.is-collapsed .sidebar-summary,
.rail.is-collapsed .rail-panel--metrics,
.rail.is-collapsed .rail-panel--next,
.rail.is-collapsed .rail-panel--list > .section-label {
  display: none;
}

.rail.is-collapsed .rail-panel {
  padding: 12px 8px;
}

.rail.is-collapsed .rail-panel--list {
  padding-top: 8px;
}

.rail.is-collapsed .project-grid {
  gap: 6px;
}

.rail.is-collapsed .project-card {
  grid-template-columns: 4px minmax(0, 1fr);
  gap: 8px;
  min-height: 56px;
  padding: 10px 8px;
  align-items: center;
}

.rail.is-collapsed .project-card-focus,
.rail.is-collapsed .project-card-foot,
.rail.is-collapsed .project-card .meta-chip,
.rail.is-collapsed .project-card-body .section-label,
.rail.is-collapsed .project-card-body h3 {
  display: none;
}

.rail.is-collapsed .project-card.is-active {
  box-shadow: 0 8px 16px rgba(22, 32, 30, 0.06);
}

.project-grid {
  display: grid;
  gap: 7px;
}

.project-card {
  display: grid;
  grid-template-columns: 5px 0 minmax(0, 1fr);
  gap: 11px;
  padding: 12px 13px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.project-card:hover {
  transform: translateY(-1px);
  border-color: rgba(23, 107, 98, 0.14);
  background: rgba(255, 255, 255, 0.9);
}

.project-card.is-active {
  border-color: rgba(23, 107, 98, 0.18);
  background: linear-gradient(180deg, rgba(23, 107, 98, 0.06), rgba(255, 255, 255, 0.96));
  box-shadow: 0 8px 18px rgba(22, 32, 30, 0.05);
}

.project-card-mini {
  display: none;
}

.project-accent {
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(23, 107, 98, 0.94), rgba(243, 246, 244, 0.5));
  opacity: 0.5;
}

.project-card.is-active .project-accent {
  opacity: 1;
}

.project-card-body {
  display: grid;
  gap: 10px;
}

.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.project-card h3,
.workspace-card h3 {
  margin: 0;
}

.project-card h3 {
  font-size: 15px;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.rail.is-collapsed .project-card-mini {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  color: var(--nav-ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rail.is-collapsed .project-card-body {
  display: none;
}

.project-card-focus {
  margin: 0;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.48;
  max-width: var(--tight-measure);
}

.project-card-foot,
.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-card-foot {
  margin-top: -2px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.rail-metrics .metric-item {
  min-height: 86px;
}

.metric-item {
  display: grid;
  align-content: end;
  gap: 4px;
  padding: 11px 12px;
  border-radius: var(--radius-md);
  background: var(--nav-surface);
  border: 1px solid var(--nav-line);
}

.metric-item strong {
  font-size: 22px;
  line-height: 1;
}

.metric-item span {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.01em;
}

.priority-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.68;
}

.studio {
  display: grid;
  gap: 18px;
}

.spotlight {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(340px, 0.92fr);
  gap: 16px;
  padding: 22px 22px 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 249, 0.96));
  box-shadow: 0 12px 26px rgba(22, 32, 30, 0.06);
}

.spotlight-main {
  display: grid;
  align-content: start;
  gap: 9px;
  padding-right: 10px;
}

.spotlight-main h2 {
  font-size: 29px;
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.spotlight-main .workspace-copy {
  max-width: 58ch;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.spotlight-card {
  display: grid;
  align-content: start;
  gap: 7px;
  padding: 15px 14px 13px;
  border-radius: var(--radius-md);
  background: rgba(247, 250, 249, 0.96);
  border: 1px solid rgba(24, 33, 31, 0.08);
}

.spotlight-card-body {
  display: grid;
  gap: 6px;
}

.spotlight-card-body span {
  display: block;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.72;
}

.workspace {
  padding: 20px 22px 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 26px rgba(22, 32, 30, 0.06);
}

.workspace-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(24, 33, 31, 0.06);
  position: sticky;
  top: 0;
  z-index: 3;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88));
  backdrop-filter: blur(8px);
}

.tab-button {
  cursor: pointer;
  background: rgba(245, 247, 246, 0.96);
  color: var(--muted);
  transition:
    background 140ms ease,
    color 140ms ease,
    border-color 140ms ease,
    transform 140ms ease;
}

.tab-button:hover {
  border-color: rgba(15, 106, 99, 0.2);
  color: var(--ink);
  transform: translateY(-1px);
}

.tab-button.is-active {
  background: var(--ink);
  color: #f5f7f6;
  border-color: rgba(24, 33, 31, 0.3);
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(24, 33, 31, 0.12);
}

.workspace-body {
  display: grid;
  gap: 18px;
}

.workspace-body-content {
  display: grid;
  gap: 18px;
}

.workspace-module {
  display: grid;
  gap: 16px;
}

.workspace-module--overview .card-lead,
.workspace-module--planning .card-lead,
.workspace-module--literature .card-lead,
.workspace-module--method .card-lead,
.workspace-module--results .card-lead,
.workspace-module--risk .card-lead,
.workspace-module--support .card-lead {
  min-height: 164px;
}

.workspace-module--writing .section-card {
  min-height: 0;
}

.workspace-module--writing .section-card h3 {
  margin-top: 2px;
}

.workspace-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.workspace-card {
  display: grid;
  gap: 9px;
  padding: 18px 18px 17px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(24, 33, 31, 0.07);
  box-shadow: 0 6px 16px rgba(22, 32, 30, 0.04);
  position: relative;
  overflow: hidden;
}

.workspace-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, rgba(23, 107, 98, 0.4), transparent 68%);
}

.section-card-body {
  display: grid;
  gap: 9px;
}

.workspace-card.span-2 {
  grid-column: 1 / -1;
}

.workspace-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.32;
  letter-spacing: -0.015em;
  text-wrap: balance;
  max-width: 25ch;
}

.workspace-card .section-label {
  font-size: 11px;
  letter-spacing: 0.14em;
}

.workspace-card p,
.spotlight-card-body span,
.project-card p {
  font-size: 14px;
  line-height: 1.72;
  overflow-wrap: anywhere;
  word-break: normal;
  hyphens: auto;
}

.workspace-card p {
  max-width: 58ch;
}

.workspace-module--writing .workspace-card h3 {
  max-width: 28ch;
}

.workspace-module--writing .section-card-body > .detail-list {
  max-width: 62ch;
}

.workspace-subgrid {
  display: grid;
  gap: 10px;
}

.detail-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.detail-list li + li {
  margin-top: 8px;
}

.muted {
  color: var(--muted);
}

.card-lead {
  background: linear-gradient(180deg, rgba(23, 107, 98, 0.05), rgba(255, 255, 255, 0.98));
  border-color: rgba(23, 107, 98, 0.14);
}

.card-lead h3 {
  font-size: 23px;
  line-height: 1.26;
  max-width: 28ch;
}

.card-gap {
  background: linear-gradient(180deg, rgba(161, 90, 54, 0.06), rgba(255, 255, 255, 0.98));
  border-color: rgba(161, 90, 54, 0.14);
}

.card-metric h3 {
  font-size: 27px;
  line-height: 1;
  margin-top: 2px;
  letter-spacing: -0.03em;
}

.card-list {
  background: rgba(251, 252, 251, 0.98);
}

.card-prose {
  align-content: start;
}

.card-prose h3,
.card-prose .muted,
.section-prose h3,
.section-prose .muted,
.spotlight-main .workspace-copy {
  max-width: 60ch;
}

.card-prose .detail-list,
.section-prose .detail-list {
  max-width: 58ch;
}

.card-note .chip-row {
  line-height: 1.6;
}

.card-note .meta-chip {
  white-space: normal;
  max-width: 100%;
  height: auto;
  min-height: 30px;
  padding-block: 6px;
}

.workspace-module--overview .card-lead,
.workspace-module--planning .card-lead,
.workspace-module--literature .card-lead,
.workspace-module--method .card-lead,
.workspace-module--results .card-lead,
.workspace-module--risk .card-lead,
.workspace-module--support .card-lead {
  min-height: 0;
}

.section-card h3 {
  font-size: 19px;
  line-height: 1.3;
  margin-top: 2px;
  max-width: 30ch;
}

.section-card {
  min-height: 0;
}

.section-prose .detail-list {
  margin-top: 2px;
}

.section-prose .workspace-subgrid {
  margin-top: 2px;
}

.workspace-module--planning .workspace-card.span-2 .section-card-body,
.workspace-module--planning .workspace-card.span-2 .evidence-head-copy,
.workspace-module--planning .workspace-card.span-2 .evidence-block {
  width: 100%;
}

.workspace-module--planning .workspace-card.span-2 h3,
.workspace-module--planning .workspace-card.span-2 p,
.workspace-module--planning .workspace-card.span-2 .muted,
.workspace-module--planning .workspace-card.span-2 .detail-list {
  max-width: none;
}

.workspace-module--literature .workspace-card.span-2 .section-card-body,
.workspace-module--literature .workspace-card.span-2 .evidence-head-copy,
.workspace-module--literature .workspace-card.span-2 .evidence-block {
  width: 100%;
}

.workspace-module--literature .workspace-card.span-2 h3,
.workspace-module--literature .workspace-card.span-2 p,
.workspace-module--literature .workspace-card.span-2 .muted,
.workspace-module--literature .workspace-card.span-2 .detail-list {
  max-width: none;
}

.workspace-module--presentation .workspace-card.span-2 h3,
.workspace-module--presentation .workspace-card.span-2 p,
.workspace-module--presentation .workspace-card.span-2 .muted,
.workspace-module--presentation .workspace-card.span-2 .detail-list {
  max-width: none;
}

.presentation-deck {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.presentation-rail {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(247, 250, 249, 0.9);
  box-shadow: 0 8px 18px rgba(22, 32, 30, 0.04);
  position: sticky;
  top: 10px;
}

.presentation-rail-head {
  display: grid;
  gap: 6px;
}

.presentation-rail-head h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.presentation-rail-head .muted {
  margin: 0;
  max-width: none;
  font-size: 13px;
  line-height: 1.6;
}

.presentation-rail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.presentation-outline {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.presentation-outline-item {
  margin: 0;
}

.presentation-outline-button {
  width: 100%;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px 11px;
  border: 1px solid rgba(24, 33, 31, 0.08);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.presentation-outline-item.is-active .presentation-outline-button {
  border-color: rgba(23, 107, 98, 0.2);
  background: linear-gradient(180deg, rgba(23, 107, 98, 0.08), rgba(255, 255, 255, 0.96));
  box-shadow: 0 8px 18px rgba(22, 32, 30, 0.05);
}

.presentation-outline-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(23, 107, 98, 0.08);
  color: var(--accent);
  font-family: "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
  font-size: 11px;
}

.presentation-outline-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.presentation-outline-copy strong {
  font-size: 14px;
  line-height: 1.38;
  letter-spacing: -0.01em;
}

.presentation-outline-copy span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.presentation-stage {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.presentation-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.presentation-toolbar-meta,
.presentation-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.presentation-stage .tab-button[disabled] {
  opacity: 0.45;
  cursor: default;
}

.presentation-slide-frame {
  width: 100%;
  min-width: 0;
  padding: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    radial-gradient(circle at top left, rgba(23, 107, 98, 0.06), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 248, 247, 0.98));
  box-shadow: 0 20px 42px rgba(22, 32, 30, 0.08);
}

.presentation-slide-canvas {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  aspect-ratio: 16 / 9;
  min-height: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 14px;
  padding: clamp(20px, 2.4vw, 32px);
  border-radius: 18px;
  border: 1px solid rgba(24, 33, 31, 0.06);
  background:
    linear-gradient(135deg, rgba(23, 107, 98, 0.06), transparent 34%),
    linear-gradient(180deg, #fffdf9 0%, #ffffff 100%);
}

.presentation-slide-kicker {
  color: var(--warm);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.presentation-slide-main {
  display: grid;
  align-content: start;
  gap: 14px;
}

.presentation-slide-body {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(220px, 0.88fr);
  align-items: start;
  gap: 14px;
  min-width: 0;
}

.presentation-slide-main h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.04;
  letter-spacing: -0.045em;
  color: #123a35;
}

.presentation-slide-subtitle {
  margin: 0;
  max-width: 38ch;
  color: #4f5d58;
  font-size: clamp(13px, 0.98vw, 16px);
  line-height: 1.38;
}

.presentation-slide-bullets {
  margin: 0;
  padding-left: 1.2rem;
  max-width: 40ch;
  display: grid;
  gap: 6px;
  color: #21312d;
  font-size: clamp(13px, 0.98vw, 16px);
  line-height: 1.32;
}

.presentation-slide-visual {
  min-width: 0;
  max-width: 100%;
  max-height: 230px;
  padding: 6px;
  border-radius: 18px;
  border: 1px solid rgba(18, 58, 53, 0.08);
  background:
    radial-gradient(circle at top left, rgba(23, 107, 98, 0.08), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 249, 0.98));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.presentation-visual-svg {
  width: 100%;
  height: 100%;
  max-height: 214px;
  max-width: 100%;
  display: block;
}

.pv-block {
  stroke: rgba(18, 58, 53, 0.14);
  stroke-width: 2;
}

.pv-faint {
  fill: rgba(18, 58, 53, 0.06);
}

.pv-line {
  fill: rgba(255, 255, 255, 0.96);
}

.pv-strong {
  fill: #176b62;
  stroke: #176b62;
}

.pv-loop,
.pv-axis,
.pv-arrow,
.pv-dash {
  fill: none;
  stroke: #176b62;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pv-loop-warm,
.pv-arrow {
  stroke: #ca7a22;
}

.pv-loop-faint,
.pv-dash {
  stroke: rgba(18, 58, 53, 0.28);
  stroke-dasharray: 10 12;
}

.pv-node {
  stroke: rgba(18, 58, 53, 0.1);
  stroke-width: 2;
}

.pv-node-dark {
  fill: #0f564e;
}

.pv-node-mid {
  fill: #176b62;
}

.pv-node-warm {
  fill: #ca7a22;
}

.pv-triangle {
  fill: rgba(202, 122, 34, 0.12);
  stroke: #ca7a22;
  stroke-width: 4;
}

.pv-title,
.pv-title-sm,
.pv-step {
  fill: #123a35;
  font-family: inherit;
  font-weight: 700;
}

.pv-title {
  font-size: 24px;
}

.pv-title-sm {
  font-size: 18px;
}

.pv-step {
  font-size: 20px;
}

.pv-sub,
.pv-sub-sm,
.pv-note {
  fill: #53615d;
  font-family: inherit;
  font-weight: 500;
}

.pv-sub {
  font-size: 15px;
}

.pv-sub-sm {
  font-size: 15px;
}

.pv-note {
  font-size: 13px;
}

.inv {
  fill: #fffaf2;
}

.presentation-slide-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-family: "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.presentation-notes-panel {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid rgba(24, 33, 31, 0.08);
  border-radius: 14px;
  background: rgba(244, 247, 246, 0.94);
}

.presentation-notes-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.workspace-module--writing .section-card .detail-list {
  max-width: 62ch;
}

.section-card .chip-row {
  margin-top: -2px;
}

.writing-section-card {
  gap: 12px;
}

.writing-section-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 14px;
}

.writing-section-copy {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.writing-section-copy h3 {
  max-width: 34ch;
}

.writing-section-copy .muted {
  max-width: 62ch;
}

.writing-assets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 2px;
}

.writing-asset-card {
  min-height: 0;
}

.milestone-strip {
  display: grid;
  gap: 8px;
}

.milestone-pill {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(247, 249, 248, 0.96);
}

.milestone-pill strong {
  font-size: 13px;
  line-height: 1.2;
}

.milestone-pill span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.milestone-done {
  background: rgba(15, 106, 99, 0.1);
  border-color: rgba(15, 106, 99, 0.16);
}

.milestone-in_progress {
  background: rgba(198, 149, 45, 0.12);
  border-color: rgba(198, 149, 45, 0.18);
}

.milestone-pending,
.milestone-planned {
  background: rgba(24, 33, 31, 0.05);
}

.status-bars {
  display: grid;
  gap: 10px;
}

.status-row {
  display: grid;
  gap: 6px;
}

.status-row-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink);
  font-size: 12px;
}

.status-track,
.result-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(24, 33, 31, 0.08);
  overflow: hidden;
}

.status-fill,
.result-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.result-tile {
  display: grid;
  gap: 6px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(247, 249, 248, 0.96);
  border: 1px solid rgba(24, 33, 31, 0.08);
}

.result-tile strong {
  font-size: 20px;
  line-height: 1;
  letter-spacing: -0.02em;
}

.result-fill {
  background: linear-gradient(90deg, rgba(15, 106, 99, 0.85), rgba(15, 106, 99, 0.45));
}

.status-active {
  background: rgba(15, 106, 99, 0.12);
  color: var(--accent);
}

.status-writing {
  background: rgba(164, 92, 55, 0.12);
  color: var(--warm);
}

.status-empty,
.status-paused,
.status-archive {
  background: rgba(99, 112, 107, 0.12);
  color: var(--muted);
}

.chip-stage {
  background: rgba(15, 106, 99, 0.1);
  border-color: rgba(15, 106, 99, 0.18);
  color: var(--accent);
}

.chip-deadline {
  background: rgba(164, 92, 55, 0.1);
  border-color: rgba(164, 92, 55, 0.18);
  color: var(--warm);
}

.chip-progress {
  background: rgba(24, 33, 31, 0.08);
  border-color: rgba(24, 33, 31, 0.14);
  color: var(--ink);
}

.chip-risk {
  border-color: rgba(164, 92, 55, 0.18);
}

.chip-risk-high {
  background: rgba(164, 92, 55, 0.14);
  color: #8b4020;
}

.chip-risk-medium {
  background: rgba(198, 149, 45, 0.16);
  color: #8b6510;
}

.chip-risk-low {
  background: rgba(15, 106, 99, 0.12);
  color: var(--accent);
}

.section-status-ready {
  background: rgba(15, 106, 99, 0.12);
  border-color: rgba(15, 106, 99, 0.18);
  color: var(--accent);
}

.status-fill.section-status-ready {
  background: linear-gradient(90deg, rgba(15, 106, 99, 0.88), rgba(15, 106, 99, 0.55));
}

.section-status-partial {
  background: rgba(198, 149, 45, 0.14);
  border-color: rgba(198, 149, 45, 0.2);
  color: #8b6510;
}

.status-fill.section-status-partial {
  background: linear-gradient(90deg, rgba(198, 149, 45, 0.9), rgba(198, 149, 45, 0.55));
}

.section-status-outlined {
  background: rgba(24, 33, 31, 0.08);
  border-color: rgba(24, 33, 31, 0.14);
  color: var(--ink);
}

.status-fill.section-status-outlined {
  background: linear-gradient(90deg, rgba(99, 112, 107, 0.9), rgba(99, 112, 107, 0.5));
}

.section-status-missing {
  background: rgba(164, 92, 55, 0.14);
  border-color: rgba(164, 92, 55, 0.2);
  color: #8b4020;
}

.status-fill.section-status-missing {
  background: linear-gradient(90deg, rgba(164, 92, 55, 0.88), rgba(164, 92, 55, 0.52));
}

@media (max-width: 1200px) {
  .studio-layout,
  .spotlight,
  .workspace-grid,
  .writing-assets,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .presentation-deck {
    grid-template-columns: 1fr;
  }

  .presentation-rail {
    position: static;
  }

  .presentation-slide-canvas {
    min-height: 0;
  }

  .presentation-slide-body {
    grid-template-columns: 1fr;
  }

  .rail {
    position: static;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .workspace-tabs {
    position: static;
    backdrop-filter: none;
  }
}

@media (min-width: 1201px) {
  .rail {
    padding-right: 4px;
  }

  .rail-panel--list .project-card {
    grid-template-columns: 4px minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100vw - 18px, 1540px);
  }

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

  .metric-grid,
  .spotlight-grid {
    grid-template-columns: 1fr;
  }

  .workspace-card h3,
  .card-lead h3,
  .card-metric h3 {
    text-wrap: pretty;
  }

  .presentation-toolbar,
  .presentation-slide-head,
  .presentation-notes-head {
    align-items: start;
    flex-direction: column;
  }

  .presentation-outline-button {
    grid-template-columns: 24px minmax(0, 1fr);
  }
}