/* ==========================================================================
   Library hub (/library/) and library pages (/library/<slug>/),
   src/components/library/. Loaded with site.css only.
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box}
body.ui-page{margin:0;background:var(--ui-air);color:var(--ui-ink);font:400 18px/1.6 var(--ui-sans);-webkit-font-smoothing:antialiased}
:where(.lb) img{display:block;max-width:100%;height:auto}
:where(.lb) h1,:where(.lb) h2{font-family:var(--ui-sans);font-weight:500;color:var(--ui-ink);margin:0}
:where(.lb) a{color:var(--ui-ink);text-decoration:none}
:focus-visible{outline:3px solid var(--ui-teal);outline-offset:3px;border-radius:6px}
.lb .kicker{font-size:14px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ui-teal);margin:0 0 14px}
.lb .lbl{font-size:13.5px;font-weight:600;color:var(--ui-teal)}
.lb .x{color:var(--ui-muted)}
.lb a:hover .t{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.lb .sec-head{display:flex;justify-content:space-between;align-items:end;gap:12px 32px;flex-wrap:wrap;margin-bottom:28px}
.lb .sec-head h2,.lb-feature h2{font-size:clamp(30px,3.4vw,44px);line-height:1.08;letter-spacing:-.03em}
.lb .sec-head p{margin:0;color:var(--ui-muted);font-size:17.5px;max-width:32em}
.lb .sec-head .kicker{font-size:14px;color:var(--ui-teal);margin:0 0 12px}

/* ---------- hero ---------- */
.lb-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:center;padding-top:64px;padding-bottom:88px}
.lb-hero h1{font-size:clamp(40px,5.4vw,70px);line-height:1.02;letter-spacing:-.04em;margin:0 0 20px}
.lb-hero .dek{font-size:19.5px;line-height:1.6;color:var(--ui-muted);margin:0 0 26px;max-width:32em}
.facts{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.facts li{font-size:15px;color:var(--ui-tide);background:var(--ui-mint);border-radius:999px;padding:8px 14px}
.facts b{font-weight:600}
.lb-hero>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--ui-r-lg)}

/* ---------- feature ---------- */
.lb-feature{padding-bottom:96px}
.lb-feature .intro{margin-bottom:28px}
.lb-feature .card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);background:var(--ui-white);border:1px solid var(--ui-line);border-radius:var(--ui-r-lg);overflow:hidden;transition:border-color .2s}
.lb-feature .card:hover{border-color:var(--ui-leaf)}
.lb-feature .card>img{width:100%;height:100%;min-height:320px;object-fit:cover}
.lb-feature .b{display:flex;flex-direction:column;justify-content:center;gap:12px;padding:40px 44px}
.lb-feature .t{font-size:clamp(24px,2.4vw,32px);font-weight:500;line-height:1.2;letter-spacing:-.02em}
.lb-feature .x{font-size:17px;line-height:1.65}
.lb-feature .by{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--ui-muted);margin-top:6px}
.lb-feature .by img{width:32px;height:32px;border-radius:50%;object-fit:cover;object-position:top}

/* ---------- library cards ---------- */
.lb-all{padding-bottom:96px}
.libs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
.libs>li{grid-column:span 2}
.libs>li:nth-child(-n+2){grid-column:span 3}
.libs a{display:flex;flex-direction:column;height:100%;background:var(--ui-white);border:1px solid var(--ui-line);border-radius:var(--ui-r-md);overflow:hidden;transition:border-color .2s}
.libs a:hover{border-color:var(--ui-leaf)}
.libs img{width:100%;aspect-ratio:16/10;object-fit:cover}
.libs>li:nth-child(-n+2) img{aspect-ratio:16/8}
.libs .b{display:flex;flex-direction:column;gap:8px;padding:22px 24px 22px;flex:1}
.libs .t{font-size:23px;font-weight:500;line-height:1.2;letter-spacing:-.015em}
.libs .x{font-size:15.5px;line-height:1.6}
.libs .start{margin-top:6px;padding:12px 14px;background:var(--ui-air);border-radius:var(--ui-r-sm);font-size:15px;line-height:1.45;color:var(--ui-ink)}
.libs .start em{display:block;font-style:normal;font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ui-teal);margin-bottom:3px}
.libs .m{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:10px;font-size:14.5px;color:var(--ui-muted)}
.libs .go{font-weight:600;color:var(--ui-teal)}

/* ---------- library pages ---------- */
.crumbs{padding-top:28px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px;font-size:14.5px;color:var(--ui-muted)}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--ui-field)}
.crumbs a{color:var(--ui-muted);text-decoration:underline;text-underline-offset:3px}
.crumbs [aria-current]{color:var(--ui-ink)}
.lp .lb-hero{padding-top:32px}
.lb .textlink{font-weight:600;color:var(--ui-teal);font-size:16px;white-space:nowrap;border-bottom:1.5px solid var(--ui-leaf);padding-bottom:2px}
.lb .count{margin:0;font-size:16px;color:var(--ui-muted)}
.lp-start,.lp-picks,.lp-all,.lp-related{padding-bottom:96px}
.pillars{list-style:none;margin:0;padding:0;display:grid;gap:20px}
.pillars .card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);height:100%;background:var(--ui-white);border:1px solid var(--ui-line);border-radius:var(--ui-r-lg);overflow:hidden;transition:border-color .2s}
.pillars .card:hover{border-color:var(--ui-leaf)}
.pillars .card>img{width:100%;height:100%;min-height:300px;object-fit:cover}
.pillars .b{display:flex;flex-direction:column;justify-content:center;gap:12px;padding:40px 44px}
.pillars .t{font-size:clamp(24px,2.4vw,32px);font-weight:500;line-height:1.2;letter-spacing:-.02em}
.pillars .x{font-size:17px;line-height:1.65}
.pillars .by{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--ui-muted);margin-top:6px}
.pillars .by img{width:32px;height:32px;border-radius:50%;object-fit:cover;object-position:top}
.pillars.two{grid-template-columns:1fr 1fr}
.pillars.two .card{grid-template-columns:minmax(0,1fr);grid-template-rows:auto 1fr}
.pillars.two .card>img{min-height:0;height:auto;aspect-ratio:16/9}
.pillars.two .b{justify-content:flex-start;padding:26px 30px 30px}
.pillars.two .t{font-size:clamp(22px,2vw,26px)}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cards a{display:flex;flex-direction:column;height:100%;background:var(--ui-white);border:1px solid var(--ui-line);border-radius:var(--ui-r-md);overflow:hidden;transition:border-color .2s}
.cards a:hover{border-color:var(--ui-leaf)}
.cards .img{position:relative;display:block}
.cards img{width:100%;aspect-ratio:16/10;object-fit:cover}
.cards .new{position:absolute;top:12px;left:12px;font-size:12.5px;font-weight:600;color:var(--ui-tide);background:#fff;border-radius:999px;padding:4px 10px}
.cards .b{display:flex;flex-direction:column;gap:7px;padding:18px 20px 20px;flex:1}
.cards .t{font-size:19px;font-weight:500;line-height:1.3;letter-spacing:-.01em}
.cards .x{font-size:15px;line-height:1.55}
.cards .m{margin-top:auto;padding-top:6px;font-size:14px;color:var(--ui-muted)}
.cards>li[hidden]{display:none}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px}
.chips[hidden]{display:none}
.chips button{font:500 15px/1 var(--ui-sans);color:var(--ui-ink);background:var(--ui-white);border:1px solid var(--ui-field);border-radius:999px;padding:11px 16px;cursor:pointer}
.chips button span{color:var(--ui-muted);font-weight:400;margin-left:2px}
.chips button:hover{border-color:var(--ui-teal);background:var(--ui-mint)}
.chips button[aria-pressed="true"]{background:var(--ui-tide);border-color:var(--ui-tide);color:#fff}
.chips button[aria-pressed="true"] span{color:var(--ui-leaf)}
.related{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.related a{display:flex;align-items:center;gap:18px;height:100%;background:var(--ui-white);border:1px solid var(--ui-line);border-radius:var(--ui-r-md);padding:14px;transition:border-color .2s}
.related a:hover{border-color:var(--ui-leaf)}
.related img{flex:none;width:112px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--ui-r-sm)}
.related .b{display:flex;flex-direction:column;gap:4px}
.related .t{font-size:18px;font-weight:500;line-height:1.3}
.related .x{font-size:14.5px;line-height:1.5}

/* ---------- letter ---------- */
.lb-cta{display:flex;align-items:center;justify-content:space-between;gap:24px 48px;margin-bottom:104px;background:var(--ui-tide);border-radius:var(--ui-r-lg);padding:44px 52px!important;color:#fff}
.lb-cta h2{color:#fff;font-size:clamp(26px,3vw,36px);letter-spacing:-.02em;margin-bottom:10px}
.lb-cta p{margin:0;font-size:17.5px;line-height:1.55;color:#D6E6E2;max-width:32em}
.lb-cta a{flex:none;font:600 16px/1 var(--ui-sans);color:var(--ui-tide);background:#fff;border-radius:999px;padding:17px 26px}
.lb-cta a:hover{background:var(--ui-mint)}
.lb-cta a:focus-visible{outline-color:#fff}

@media (max-width:1000px){
  .lb-hero{grid-template-columns:minmax(0,1fr);gap:32px}
  .lb-feature .card{grid-template-columns:minmax(0,1fr)}
  .lb-feature .card>img{min-height:0;aspect-ratio:16/9;height:auto}
  .lb-feature .b{padding:28px 30px 32px}
  .libs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .libs>li,.libs>li:nth-child(-n+2){grid-column:auto}
  .libs>li:nth-child(-n+2) img{aspect-ratio:16/10}
  .lb-cta{flex-direction:column;align-items:flex-start}
  .pillars .card,.pillars.two{grid-template-columns:minmax(0,1fr)}
  .pillars .card>img{min-height:0;height:auto;aspect-ratio:16/9}
  .pillars .b{padding:28px 30px 32px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .ui-wrap{padding:0 18px}
  .lb-hero{padding-top:40px;padding-bottom:64px}
  .lb-hero .dek{font-size:17.5px}
  .lb-feature,.lb-all{padding-bottom:72px}
  .lb-feature .b{padding:22px 22px 26px}
  .libs{grid-template-columns:minmax(0,1fr);gap:14px}
  .libs .b{padding:18px 20px 20px}
  .libs .t{font-size:21px}
  .lb-cta{padding:30px 24px!important;margin-bottom:72px}
  .crumbs{padding-top:20px}
  .lp .lb-hero{padding-top:20px}
  .lp-start,.lp-picks,.lp-all,.lp-related{padding-bottom:72px}
  .pillars .b,.pillars.two .b{padding:22px 22px 26px}
  .cards{grid-template-columns:minmax(0,1fr);gap:12px}
  .cards a{flex-direction:row;align-items:flex-start;gap:14px;padding:12px}
  .cards .img,.cards a>img{flex:none;width:104px}
  .cards img{aspect-ratio:1;border-radius:var(--ui-r-sm)}
  .cards .new{top:6px;left:6px;font-size:11.5px;padding:3px 8px}
  .cards .b{padding:0;gap:5px}
  .cards .t{font-size:16.5px}
  .cards .x{display:none}
  .chips{flex-wrap:nowrap;overflow-x:auto;margin:0 -18px 22px;padding:3px 18px 6px;scrollbar-width:none}
  .chips button{flex:none;white-space:nowrap}
  .related{grid-template-columns:minmax(0,1fr);gap:12px}
  .related img{width:92px}
  .related .x{display:none}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important}}