.learn-page .learn-header { border-bottom: 1px solid var(--ui-line); padding-bottom: 16px; }
.learn-next-step { margin: 16px 0; padding: 12px 14px; border-left: 3px solid var(--ui-link); background: var(--ui-surface); }
.guide-state-table { margin: 16px 0 24px; border-top: 1px solid var(--ui-line); }
.guide-state-table > div { display: grid; grid-template-columns: 140px minmax(0,1fr); gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--ui-line); }
.guide-state-table strong { color: var(--ui-ink); }
.guide-state-table span { color: var(--ui-muted); }
.research-index { max-width: 800px; }
.research-index-header { margin-bottom: 24px; }
.research-index-header h1 { margin-bottom: 8px; }
.research-index-header p { color: var(--ui-muted); }
.research-empty { padding: 16px; border: 1px dashed var(--ui-line); color: var(--ui-muted); }
.research-index-list { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--ui-line); }
.research-index-list > li { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--ui-line); }
.research-index-list > li div { min-width: 0; display: grid; gap: 2px; }
.research-coverage--quiet { display: flex; flex-wrap: wrap; gap: 4px 8px; padding: 12px 14px; border-left: 3px solid var(--ui-link); background: var(--ui-hover); }
.archive-list-item { padding: 14px 0; }
.archive-list-item h2 { margin-bottom: 4px; }
.archive-article { max-width: 800px; }
.archive-article #model-content { max-width: 74ch; line-height: 1.75; }
.archive-article > div > h1 { margin-bottom: 8px !important; }
.article-save-status { display: block; margin-top: 8px; color: var(--ui-link); font-size: 13px; }
.article-publish { font-weight: 600; }
.article-archive-filter { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 16px; }
.article-archive-filter label { margin: 0; color: var(--ui-muted); font-size: 13px; font-weight: 600; }
.article-archive-filter select { min-height: 38px; min-width: 9rem; padding: 6px 28px 6px 10px; border: 1px solid var(--ui-line); border-radius: 5px; background: var(--ui-surface); color: var(--ui-ink); }
.article-contents { margin: 16px 0 24px; padding: 0 14px 12px; border-left: 3px solid var(--ui-link); background: var(--ui-hover); }
.article-contents > summary { padding: 12px 0 6px; color: var(--ui-muted); font-size: 13px; font-weight: 600; cursor: pointer; }
.article-contents > div { display: grid; gap: 6px; padding-top: 4px; }
.article-contents a { display: block; padding: 4px 0; }
@media (max-width: 575.98px) {
    .guide-state-table > div { grid-template-columns: 1fr; gap: 2px; }
    .research-index-list > li { align-items: flex-start; }
}