/* Reading-first presentation; original evidence graphics retain their source colors. */
:root {
  --ink:#292b2e; --muted:#595e64; --line:#d9dcdf; --soft:#f4f5f6;
  --surface:#fff; --green:#365d57; --blue:#345f7b; --red:#79515e;
  --pale:#eef3f1; --selected:#e8efed; --hover:#eaecee; --solid:#365d57;
  --annotation:#f4f5f6; --fiction-bg:#f6f3f4; --fiction-ink:#59434b;
  --focus:#86611e; --pink:#f0edf0; --sky:#eef1f4;
}
:root[data-theme=dark] {
  --ink:#fff; --muted:#d4d7dc; --line:#43474f; --soft:#191b1f;
  --surface:#101114; --green:#9be8c8; --blue:#8ed0ff; --red:#ffabc0;
  --pale:#182620; --selected:#30343a; --hover:#25282e; --solid:#1f6f50;
  --annotation:#171d24; --fiction-bg:#21191d; --fiction-ink:#ffdae4;
  --focus:#ffd166; --pink:#251a20; --sky:#16212b;
}
.topbar {min-height:72px; height:72px; padding:12px 28px; gap:22px; flex-wrap:nowrap}
.brand {font-size:21px; gap:10px; white-space:nowrap}
.brand-mark {width:32px;height:34px;font-size:24px;background:transparent;color:var(--green);border:1px solid var(--line)}
.topbar nav {width:auto;order:initial;gap:24px;font-size:14px;margin-left:auto;overflow:visible}
.topbar nav a {font-size:14px}
.layout {grid-template-columns:264px minmax(0,1fr)}
.sidebar {top:72px;height:calc(100dvh - 72px);padding:24px 16px;background:var(--soft)}
.sidebar label {font-size:13px;color:var(--muted);font-weight:600}
.sidebar select {background:var(--surface);border-color:var(--line);padding:11px;font-size:15px}
.sidebar h2 {text-transform:none;font-size:13px;font-weight:600;margin:23px 9px 8px}
.unit-links {gap:3px}
.unit-link {font-size:14px;min-height:44px;padding:10px 10px;grid-template-columns:20px minmax(0,1fr);align-items:center;border-radius:3px}
.unit-link svg {width:16px;height:16px;color:var(--muted)}
.unit-link small {display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:3px}
.unit-link[aria-current=page] {font-weight:600}
.sidebar-footer {margin:22px 9px 0;padding-top:14px;font-size:12px}
.reading-settings {margin:20px 9px 0;padding:8px 0}
.reading-settings summary {font-size:13px;color:var(--muted)}
.reading-settings .font-buttons {margin-top:12px}
main {max-width:1040px;padding:38px 54px 70px;font-size:var(--text-size);line-height:1.75}
h1 {font-size:30px;line-height:1.3;margin:8px 0 15px;max-width:800px}
h2 {font-size:23px;line-height:1.4;margin:32px 0 14px}
h3 {font-size:19px;line-height:1.45}
.deck,.unit-header .deck {font-size:18px;line-height:1.65;max-width:760px}
.kicker {text-transform:none;font-size:13px;font-weight:600;color:var(--muted)}
.reading {max-width:790px}
.reading>section {margin:28px 0 38px}
.reading p,.reading li {max-width:75ch}
.unit-header {padding-bottom:18px;margin-bottom:24px}
.crumb {margin-bottom:18px}
.tools {margin-top:15px;gap:10px}
.tools .mode-label {display:none}
.tools button[data-switch-view] {color:var(--green);border-color:var(--line)}
.page-toc {display:flex;gap:8px 20px;flex-wrap:wrap;font-size:14px;line-height:1.5;padding:0 0 19px;margin:20px 0 24px}
.page-toc a {margin:0;padding:4px 0;color:var(--muted)}
.contents-index {margin:20px 0;padding:7px 0;border-top:0}
.contents-index summary {font-size:14px;color:var(--muted);font-weight:400}
.contents-index .page-toc {border:0;margin:8px 0;padding-bottom:5px}
.model {border-left:2px solid var(--green);padding-left:20px}
.annotation,.fiction {border-left-width:2px;border-radius:0;padding:12px 16px}
.annotation {background:transparent}
.fiction {font-size:15px}
.source-note,.note {font-size:14px;line-height:1.65}
.prompt-guide {margin:24px 0 30px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.prompt-guide h2 {margin-top:0}
.prompt-guide dl {margin:18px 0}
.prompt-guide dt {font-size:15px;font-weight:600;margin:18px 0 5px;color:var(--ink)}
.prompt-guide dd {margin:0;font-size:var(--text-size)}
.prompt-guide .question-ref {font-size:14px;color:var(--muted);margin-top:6px}
.prompt-guide a {overflow-wrap:anywhere}
.prompt-map td:first-child {min-width:160px}
.cycle-path {margin:28px 0 30px;border-top:1px solid var(--line)}
.cycle-path a {display:grid;grid-template-columns:74px 1fr 20px;gap:16px;align-items:center;padding:17px 0;text-decoration:none;border-bottom:1px solid var(--line);color:var(--ink)}
.cycle-path a:hover {background:var(--soft)}
.cycle-path small {display:block;color:var(--muted);font-size:14px;margin-top:4px;font-weight:400}
.cycle-path strong {font-size:17px;font-weight:600}
.cycle-path .cycle-index {font-size:14px;color:var(--green)}
.tutorial-handoff,.tutorial-research {border-left:2px solid var(--line);padding-left:18px}
.gap-page {margin:38px 0;padding-top:18px;border-top:1px solid var(--line)}
.gap-page figure {margin:20px 0}
.gap-page img {display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:3px}
.gap-page figcaption {font-size:14px;color:var(--muted);line-height:1.6;margin:10px 0}
.gap-page .image-link {display:block}
.gap-page h2 {margin-top:8px}
.literature-entry {padding:22px 0;border-top:1px solid var(--line)}
.literature-entry h2 {margin-top:4px}
.literature-entry .citation {font-size:15px;line-height:1.6}
.chart {margin:24px 0}
.chart img {border-radius:2px}
.chart-picker {display:block;max-width:100%}
.chart-picker select {width:100%;max-width:500px;padding:11px;background:var(--surface);color:var(--ink);font-size:15px}
.table-reproduce {border-left:2px solid var(--line);padding:6px 14px;font-size:15px}
.connection-context {font-size:14px}
.connection-context a {color:var(--muted)}
.source-connection h4,.indicator-connection h4 {color:var(--ink)}
.view-tabs {display:flex;gap:22px;border-bottom:1px solid var(--line);margin:22px 0}
.view-tabs a {padding:9px 0;text-decoration:none;color:var(--muted);font-size:15px;border-bottom:2px solid transparent}
.view-tabs a[aria-current=page] {color:var(--ink);border-color:var(--green);font-weight:600}
.reading h2,.reading h3,.tutorial-reading>section,.source-connection,#saved-narrative {scroll-margin-top:90px}
@media(max-width:1100px) {
  .topbar {padding:12px 20px;gap:14px}
  .topbar nav {gap:16px}
  .layout {grid-template-columns:240px minmax(0,1fr)}
  main {padding:32px 32px 60px}
}
@media(max-width:800px) {
  .topbar {height:68px;min-height:68px;padding:12px 16px}
  .topbar nav {display:none}
  .header-actions {margin-left:auto}
  .mobile-only {display:inline-flex}
  .layout {display:block}
  .sidebar {display:none;top:0;position:relative;height:auto;max-height:none;border-right:0;border-bottom:1px solid var(--line);padding:20px}
  .sidebar.open {display:block}
  main {padding:26px 22px 48px}
  h1 {font-size:28px} h2 {font-size:22px} h3 {font-size:19px}
  .brand {font-size:20px}
  .unit-header .tools {gap:8px}
  .reading {max-width:none}
  .page-toc {gap:8px 16px}
  .cycle-path a {grid-template-columns:58px minmax(0,1fr) 18px;gap:10px}
  .endnav {gap:15px}
  .view-tabs {gap:20px}
  .chart-toolbar {flex-wrap:wrap}
  .chart-toolbar span {max-width:100%}
}
@media print {
  :root,:root[data-theme=dark] {--ink:#111;--muted:#333;--surface:#fff;--soft:#eee;--line:#aaa;--green:#294e42;--blue:#254c69;--fiction-ink:#44363b;--annotation:#fff;--fiction-bg:#fff;background:#fff;color-scheme:light}
  .view-tabs,.cycle-path,.reading-settings {display:none!important}
  main {max-width:none;padding:0;font-size:11pt}
  .prompt-guide dd {font-size:11pt}
  .gap-page img {max-height:14cm;object-fit:contain}
}