/* Knowledge directory · fixed reading order, useful links, no decorative game state. */
.kb-library { max-width: 1280px; margin: 0 auto; }
.kb-library-head { display: grid; grid-template-columns: minmax(0,1fr) 370px; align-items: center; gap: 36px; padding: 10px 0 32px; border-bottom: 1px solid var(--pa-border); }
.kb-library-intro { min-width: 0; }
.kb-eyebrow { margin: 0; color: var(--pa-muted); font-size: 11px; letter-spacing: .12em; }
.kb-library-head h1 { margin: 14px 0 10px; font-size: 32px; }
.kb-library-description { font-size: 14px; line-height: 1.8; margin-bottom: 0; }
.kb-admin-action { display: inline-flex; margin-top: 20px; padding: 10px 16px; font-size: 13px; }
.kb-library-layout { display: grid; grid-template-columns: 230px minmax(0,1fr); gap: 48px; align-items: start; padding-top: 32px; }
.kb-directory { position: sticky; top: 96px; }
.kb-directory > h2 { margin: 0 0 16px; font-size: 13px; }
.kb-directory nav { display: grid; gap: 4px; }
.kb-directory nav a { display: flex; gap: 14px; padding: 11px 10px; border-radius: 6px; color: var(--pa-text-soft); font-size: 13px; }
.kb-directory nav a:hover { background: var(--pa-accent-soft); color: var(--pa-accent); }
.kb-directory nav span { font: 11px/1.8 var(--desk-mono); color: var(--pa-muted); }
.kb-library-content { min-width: 0; }
.kb-module-head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 20px; }
.kb-module-head > span { color: var(--pa-muted); font: 12px var(--desk-mono); }
.kb-module-head h2 { margin: 0; font-size: 21px; }
.kb-module-head p { margin: 8px 0 0; font-size: 13px; line-height: 1.9; max-width: 52rem; }
.kb-foundations-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.kb-foundations-grid > a { display: block; background: var(--pa-surface); border: 1px solid var(--pa-border); border-radius: 9px; padding: 22px; }
.kb-foundations-grid > a:hover { border-color: var(--pa-accent); }
.kb-foundations-grid > a > span { color: var(--pa-accent); font-size: 11px; }
.kb-foundations-grid h3 { display: flex; justify-content: space-between; font-size: 16px; margin: 12px 0 0; gap: 10px; }
.kb-foundations-grid i { color: var(--pa-muted); font-style: normal; }
.kb-foundations-grid p { font-size: 12px; margin: 10px 0 0; }
.kb-module { padding-top: 34px; margin-top: 34px; border-top: 1px solid var(--pa-border); scroll-margin-top: 90px; }
.kb-topic-list { border: 1px solid var(--pa-border); border-radius: 9px; overflow: hidden; background: var(--pa-surface); }
.kb-topic-link { display: flex; align-items: center; gap: 16px; padding: 15px 20px; }
.kb-topic-link + .kb-topic-link { border-top: 1px solid var(--pa-border); }
.kb-topic-link strong { font-size: 14px; font-weight: 500; }
.kb-topic-link small { margin-left: auto; font-size: 12px; white-space: nowrap; }
.kb-topic-link i { color: var(--pa-muted); font-style: normal; }
.kb-topic-link:hover { background: var(--pa-accent-soft); color: var(--pa-accent); }
.kb-module-outcome { display: flex; gap: 12px; padding: 0 4px; margin: 13px 0 0; font-size: 12px; }
.kb-module-outcome span { flex-shrink: 0; color: var(--pa-accent); }
.kb-topic-empty { padding: 24px; font-size: 14px; }
.kb-practice-link { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px; margin-top: 34px; border-radius: 9px; background: var(--pa-accent-soft); }
.kb-practice-link h2 { margin: 0; font-size: 18px; }
.kb-practice-link p { margin: 8px 0 0; font-size: 13px; }
.kb-practice-link a { color: var(--pa-accent); font-size: 13px; flex-shrink: 0; }
@media (max-width: 1100px) { .kb-library-layout { grid-template-columns: 190px minmax(0,1fr); gap: 28px; } .kb-foundations-grid { grid-template-columns: 1fr; } }
@media (max-width: 800px) { .kb-library-head { grid-template-columns: 1fr; gap: 24px; } }
@media (max-width: 640px) {
 .kb-library-head { align-items: start; padding-bottom: 24px; }
 .kb-library-head h1 { font-size: 28px; }
 .kb-library-layout { grid-template-columns: 1fr; gap: 28px; padding-top: 24px; }
 .kb-directory { position: static; }
 .kb-directory nav { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 4px; }
 .kb-directory nav a { font-size: 12px; gap: 8px; padding: 10px 4px; }
 .kb-module-head { gap: 12px; }
 .kb-module-head h2 { font-size: 20px; }
 .kb-module { padding-top: 26px; margin-top: 26px; }
 .kb-practice-link { align-items: start; flex-direction: column; gap: 16px; }
 .kb-topic-link { padding: 15px; }
}