/* Compact research-studio surfaces. Keep reading measure and touch targets. */
:root {
  --ink: #10303f; --ink-2: #1e4656; --muted: #52616a;
  --teal: #0f6b73; --surface: #f5f8f8; --border: #cbd8da;
  --radius: 10px; --shadow: 0 2px 8px rgb(16 48 63 / 4%);
  --nt-page-width: 1180px; --nt-gutter: clamp(1rem, 3vw, 1.75rem);
}
body { font-size: 17px; }
.navbar, .site-breadcrumbs, .layout-content, .main-content { max-width: var(--nt-page-width); }
.layout-content, .main-content { padding-inline: var(--nt-gutter); }
.layout-content .main-content { padding: 0; }
main .section { margin-block: 1.25rem; padding: 1rem 0; }
.home-refresh > .section { max-width: var(--nt-page-width); padding-inline: var(--nt-gutter); }
main .section > h2:first-child { margin: 0 0 1rem; font-size: clamp(1.4rem, 2.5vw, 1.85rem); }
main .section-compact { margin-block: 0.5rem; padding-block: 0.75rem; }
main .section-highlight { padding: 1.25rem; }
.cards-grid, .modules-grid { justify-items: stretch; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.cards-grid > .card, .modules-grid > .card { width: 100%; max-width: none; min-width: 0; margin: 0; }
.card { padding: 1.15rem; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card h2, .card h3 { line-height: 1.25; margin-top: 0; }
.card h2 { font-size: 1.4rem; }
.cards-grid > .card h3 a, .modules-grid > .card h3 a { color: var(--ink); text-decoration: none; }
.cards-grid > .card h3 a:hover, .modules-grid > .card h3 a:hover,
.cards-grid > .card h3 a:focus-visible, .modules-grid > .card h3 a:focus-visible { text-decoration: underline; }
.modules-grid > .card h3 { font-size: 1.15rem; margin: 0.65rem 0 0.5rem; }
.card p { margin: 0.45rem 0 0.9rem; }
.card > :last-child { margin-bottom: 0; }
.card:focus-within { outline: 2px solid var(--teal); outline-offset: 3px; }
.task-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.task-grid .card { border-top: 3px solid var(--teal); padding: 1.2rem; }
.task-grid .task-label { margin-bottom: 0.6rem; color: #31516b; font-size: 0.82rem; }
.task-grid .btn { margin-top: auto; }
.home-refresh .hero-refresh { max-width: var(--nt-page-width); margin: 1rem auto 0; border-radius: 14px; }
.home-refresh .home-hero-grid { gap: 1.5rem; }
.home-refresh .home-intro-image { max-height: 280px; object-fit: contain; }
.home-refresh .nanoscale-tissue .home-intro-image { max-height: none; height: auto; }
.home-refresh .nanoscale-tissue a { color: #bfe3e4; text-decoration: underline; }
.home-refresh .nanoscale-tissue a:hover, .home-refresh .nanoscale-tissue a:focus-visible { color: #fff; }
.layout-content .hero-spaced, .main-content .hero-spaced { margin-inline: 0; margin-top: 1rem; margin-bottom: 1.25rem; }
.module-browser { padding: 1rem 0; }
.module-card { content-visibility: visible; contain-intrinsic-size: none; }
.module-card .module-number { min-height: 0; margin: 0 0 0.5rem; }
.resource-search { padding: 1rem; margin: 0.75rem 0; }
.layout-content .secondary-options, .main-content .secondary-options { margin-inline: 0; }
.btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; text-align: center; }
main a:not(.btn):not(.jc-link):not(.jcg-result-btn) { text-underline-offset: 0.18em; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid #0f6b73; outline-offset: 3px; }
.site-header :focus-visible { outline-color: #bfe3e4; }
/* Retain #188's normal-click fix at every viewport. */
#jc-filters, .paper-more-filters .jc-filters { position: static; top: auto; }
/* The text edition reflows. It never scales slide screenshots down to phone size. */
.deck-reader { max-width: 86ch; margin-inline: auto; }
.deck-reader-nav { display: flex; flex-wrap: wrap; gap: 0.65rem; margin: 0.8rem 0 1.2rem; }
.deck-reader-nav a { display: inline-flex; min-height: 44px; align-items: center; padding: 0.5rem 0.8rem; border: 1px solid var(--border); border-radius: 6px; }
.deck-reader-index { padding-left: 1.5rem; }
.deck-reader-index a { display: inline-block; padding-block: 0.25rem; }
.deck-reading-slide { padding: 1.4rem 0; margin: 0; border-top: 1px solid var(--border); scroll-margin-top: 1rem; }
.deck-reading-slide > h2 { font-size: 1.65rem; line-height: 1.25; }
.deck-reader img { display: block; max-width: 100%; width: auto; height: auto; max-height: none; object-fit: contain; margin-block: 1rem; }
.deck-reader .visual-columns, .deck-reader .visual-panels, .deck-reader .cols { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.deck-reader .visual-panel { padding: 1rem; border: 1px solid var(--border); background: white; }
.deck-reader .source, .deck-reader .caption { font-size: 1rem; color: var(--muted); position: static; }
.deck-reader .visual-step { display: block; margin: 0 0 0.65rem; }
.deck-reader pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.deck-reader td, .deck-reader th { overflow-wrap: anywhere; }
.deck-reader .cover-image { position: static; }
.deck-reader .source { margin-block: 0.75rem; }
.deck-reader figcaption { margin-block: 0.5rem; }
@media (max-width: 960px) { .task-grid { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
 .home-refresh .hero-refresh { margin-top: 0; border-radius: 0; }
 .cards-grid, .modules-grid { gap: 0.75rem; grid-template-columns: minmax(0,1fr); }
 .card { padding: 1rem; }
 .home-refresh > .section, .start-guide .section, .resource-routes { padding: 0.75rem 1rem; margin-block: 0.6rem; }
 .layout-content .section { padding-inline: 0; }
 .home-refresh .home-intro-image { max-height: 180px; }
 .deck-reader table { display: table; table-layout: fixed; width: 100%; }
 .deck-reader table > thead, .deck-reader table > tbody { display: table-row-group; }
 .deck-reader th, .deck-reader td { padding: 0.4rem; }
}
@media (prefers-reduced-motion: reduce) { .card, .home-refresh .card { transition: none; transform: none; } html { scroll-behavior: auto; } }
@media print { .deck-reader-nav, .deck-reader-index { display: none; } .deck-reading-slide { break-inside: avoid; } .deck-reader details > * { display: block; } }

/* Papers: first-class navigation, visible view choices and labeled filters. */
.paper-browser-page .jc-hero { background: #fff; color: #10303f; text-align: left; padding: 1.5rem; border: 1px solid #d8e1e3; }
.paper-browser-page .jc-hero h1 { color: inherit; margin-top: 0; }
.paper-browser-page .jc-hero p { max-width: 80ch; margin: 0.75rem 0; }
.paper-view-links { gap: 0.5rem; }
.paper-view-links a, .paper-view-links span { padding: 0.65rem 1.2rem; font-size: 1rem; font-weight: 600; text-decoration: none; }
.paper-view-links a { background: #fff; color: #0b5259; border: 2px solid #0f6b73; }
.paper-view-links [aria-current] { background: #0f6b73; color: #fff; border: 2px solid #0f6b73; }
.paper-view-links a:hover { background: #e6f2f3; }
#jc-filters.paper-filter-panel { display: block; padding: 1.25rem; border: 1px solid #bfe3e4; border-top: 4px solid #0f6b73; background: #f5f8f8; }
.paper-filter-heading, .paper-filter-actions { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; }
.paper-filter-heading h2, .paper-filter-title { font-size: 1.3rem; margin: 0; }
.paper-filter-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 1rem 0; }
.paper-filter-field { display: flex; flex-direction: column; gap: 0.4rem; min-width: 0; }
#jc-filters .paper-filter-field input, #jc-filters .paper-filter-field select { width: 100%; min-width: 0; box-sizing: border-box; font: inherit; }
.paper-filter-actions .jc-filter-count { margin-left: 0; color: #10303f; font-weight: 600; }
.paper-graph-layout { margin: 1rem 0; padding: 1rem; background: #e6f2f3; border: 1px solid #bfe3e4; border-radius: 8px; }
.paper-graph-layout .jcg-tier-btn-group { flex-wrap: wrap; }
@media (max-width: 960px) { .paper-filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .paper-filter-grid { grid-template-columns: 1fr; } #jc-filters.paper-filter-panel { padding: 1rem; } .paper-filter-actions > * { width: 100%; } }