/* One reading path, with supporting detail opened on demand. */
header nav { justify-content: space-between; }
.nav-links { margin-left: auto; gap: 30px; }
.page-heading { padding: 44px 0 32px; margin: 0 auto; }
.page-heading h1, .kv-lab h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.12; letter-spacing: -1.8px; margin: 0 0 22px; }
.page-heading > p { max-width: 620px; color: #aaa; font-size: 17px; line-height: 1.8; }
.page-heading .architecture-jump { margin-bottom: 0; }
.technical-section, #components { border-top: 1px solid var(--border); padding-top: 44px; padding-bottom: 44px; margin-top: 0; }
.technical-section > h2, #components > h2, .getting-started > h2 { font-size: 32px; letter-spacing: -.7px; margin: 0 0 22px; }
.technical-section p, #components > p, .getting-started > p { color: #aaa; font-size: 14px; line-height: 1.8; }
.technical-subsection { padding: 30px 0 0; margin-top: 20px; }
.technical-subsection > h3 { font-size: 23px; margin: 0 0 18px; }
.content-disclosure { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 0; margin: 22px 0; }
.content-disclosure > summary { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; cursor: pointer; padding: 22px 0; list-style: none; color: #eee; font-size: 16px; line-height: 1.5; }
.content-disclosure > summary::after { content: '+'; color: #999; }
.content-disclosure[open] > summary::after { content: '−'; }
.content-disclosure > summary::-webkit-details-marker { display: none; }
.disclosure-body { padding: 0 0 24px; min-width: 0; }
.disclosure-body > p { color: #aaa; font-size: 14px; line-height: 1.8; }
main > .content-disclosure { margin: 0 auto 24px; }
main > .content-disclosure > summary { font-size: 26px; }
.getting-started { border-top: 1px solid var(--border); padding-top: 32px; padding-bottom: 42px; }
.getting-started .usage-grid { margin-top: 30px; }
.technical-section .testing-layers { gap: 25px; }
.technical-section .testing-papers { margin: 24px 0; }
.technical-section .testing-papers h3 { font-size: 22px; }
.research-group { margin: 44px 0 20px; font: 12px monospace; color: #aaa; text-transform: uppercase; letter-spacing: 1px; }
.literature-section { padding: 26px 0; }
.literature-section h4 { font-size: 24px; font-weight: 500; letter-spacing: -.4px; margin: 12px 0; }
.literature-section .content-disclosure { margin-bottom: 0; }
.research-takeaway { font-size: 13px !important; }
.compact-diagram { display: grid; grid-template-columns: auto 1fr; gap: 18px; }
.compact-diagram .diagram-viewport { grid-column: 1 / -1; }
.compact-diagram .diagram-controls { margin: 0; padding: 0; border: 0; align-self: start; }
.compact-diagram .diagram-status { font-family: inherit; font-size: 14px; line-height: 1.8; margin: 0; max-width: 690px; min-height: 3.6em; color: #bbb; }
.service-story { padding-top: 20px; }
.service-story .local-path { margin-top: 32px; padding: 24px 0; }
.service-story .local-path h3 { font-size: 23px; }
.service-story > .source-identity { max-width: 800px; margin-bottom: 24px; }
.lab-toolbar { display: flex; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.lab-toolbar .scenario-select { flex: 1 1 340px; }
.lab-toolbar .lab-transport { border: 0; padding: 0; margin: 0; gap: 14px; flex-wrap: wrap; }
.lab-toolbar #lab-step { margin-left: 0; }
.lab-story { min-height: 140px; }
.storage-explanation > summary { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }
#selected-backend { color: #999; font-size: 12px; }
.demo-store { margin: 0; padding-top: 16px; padding-bottom: 16px; }
.demo-store h3 { font-size: 20px; }
.studio-body { display: block; }
.studio-editor { max-width: 850px; margin: auto; border: 0; padding: 28px 0; }
.studio-progress { padding-left: 0; padding-right: 0; }
.studio-page { min-height: 0; }
.studio-page > .eyebrow { display: none; }
.studio-page .canvas-summary { padding: 20px 0; }
.studio-page .journal-diagram { max-width: 540px; margin: 20px auto; }
.studio-progress button { flex: 1; justify-content: center; }
.plan-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 30px 0; }
.plan-summary dt { font-size: 12px; color: #999; margin-bottom: 6px; }
.plan-summary dd { margin: 0; font-size: 14px; color: #ddd; }
.workload-summary { margin: 20px 0; }
[id] { scroll-margin-top: 100px; }
@media (max-width: 900px) {
 .nav-links { width: auto; margin-left: auto; }
 .lab-toolbar .lab-transport { flex-basis: 100%; }
}
@media (max-width: 700px) {
 .nav-links { width: 100%; margin: 0; gap: 20px; }
 .technical-section > h2, #components > h2, .getting-started > h2 { font-size: 28px; }
 .compact-diagram { grid-template-columns: 1fr; gap: 16px; }
 .compact-diagram .diagram-viewport { grid-column: auto; }
 .compact-diagram .diagram-status { min-height: 5.4em; }
 .plan-summary { grid-template-columns: 1fr; gap: 16px; }
 .lab-story { min-height: 0; }
 .lab-toolbar .lab-transport { gap: 12px; }
 .lab-toolbar #lab-play { min-width: 118px; }
 .studio-progress button { font-size: 11px; }
 .studio-editor { padding: 20px 0; }
 main > .content-disclosure > summary { font-size: 23px; }
 .architecture-table { table-layout: fixed; }
 .architecture-table td, .architecture-table th { overflow-wrap: anywhere; }
 [id] { scroll-margin-top: 140px; }
}

.getting-started > .source-identity { max-width: 940px; margin-top: 18px; }
.content-disclosure p { padding-top: 0; }
.getting-started .usage-grid { display: block; margin-top: 22px; }
.getting-started .code-panel { max-width: 940px; }
.setup-command { max-width: 940px; border-left: 1px solid #444; padding: 12px 18px; margin: 16px 0; color: #ddd; font: 13px/1.8 monospace; }
.getting-started .code-panel pre { min-height: 0; }
.page-heading .architecture-jump { margin-top: 22px; }
.page-heading .architecture-jump { height: auto; min-height: 0; padding: 0; }
.kv-lab .lab-toolbar .lab-transport { position: static; border: 0; padding: 0; }
@media (max-width: 700px) {
 .lab-toolbar .scenario-select { flex: 0 1 auto; width: 100%; }
 .lab-toolbar .lab-transport { flex-basis: auto; width: 100%; }
}