:root{
    --bg:#FFFFFF; --ink:#1A1A1A; --body:#2B2B2B; --muted:#6B6B6B; --rule:#E9E9E5;
    --soft:#F6F6F3; --accent:#2F5D50; --accent-soft:#E7EFEC; --warn:#A24A2C;
    --serif:'Newsreader',Georgia,'Times New Roman',serif; --sans:'Manrope',system-ui,-apple-system,sans-serif;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--serif);-webkit-font-smoothing:antialiased}
  a{color:var(--accent)}
  a:hover{color:var(--ink)}
  button{font:inherit}
  :focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
  .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

  /* ---------- header ---------- */
  .progress{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--accent);z-index:60;transition:opacity .3s}
  .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--rule);transition:transform .35s ease}
  .site-header.hide{transform:translateY(-100%)}
  .bar{max-width:1200px;margin:0 auto;padding:18px 32px;display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between}
  .brand{font-size:22px;font-weight:600;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
  .nav{display:flex;flex-wrap:wrap;gap:6px 26px;font-family:var(--sans);font-size:12.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase}
  .nav a{color:var(--muted);text-decoration:none;padding:6px 0;position:relative}
  .nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
  .nav a:hover{color:var(--ink)}
  .nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
  .nav a[aria-current="page"]{color:var(--ink)}

  /* ---------- views ---------- */
  .view{display:none}
  .view.on{display:block;animation:viewIn .55s cubic-bezier(.2,.7,.2,1) both}
  @keyframes viewIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

  .eyebrow{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0}
  .meta{font-family:var(--sans);font-size:13.5px;color:var(--muted)}

  /* ---------- list page ---------- */
  .wrap{max-width:1200px;margin:0 auto;padding:0 32px}
  .intro{display:flex;flex-wrap:wrap;gap:28px;align-items:flex-end;justify-content:space-between;padding:88px 0 44px}
  .intro h1{margin:14px 0 0;font-size:clamp(64px,10vw,112px);line-height:.95;font-weight:500;letter-spacing:-.035em}
  .intro p.lede{flex:1 1 340px;max-width:430px;margin:0;font-size:21px;line-height:1.5;color:#444}
  .filters{display:flex;flex-wrap:wrap;gap:10px;padding-bottom:36px;border-bottom:1px solid var(--rule)}
  .chip{min-height:42px;padding:0 18px;border-radius:999px;border:1px solid #D9D9D3;background:#fff;color:var(--ink);font-family:var(--sans);font-size:14px;font-weight:600;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
  .chip:hover{border-color:var(--ink)}
  .chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}

  .featured{display:flex;flex-wrap:wrap;gap:44px;align-items:center;padding:56px 0;border-bottom:1px solid var(--rule);color:var(--ink);text-decoration:none}
  .featured .art{flex:1 1 520px;min-width:0;aspect-ratio:16/10;border-radius:6px;overflow:hidden;background:var(--soft)}
  .featured .art svg{display:block;width:100%;height:100%}
  .featured .txt{flex:1 1 380px;min-width:0;display:flex;flex-direction:column;gap:16px}
  .featured h2{margin:0;font-size:clamp(38px,4.6vw,58px);line-height:1.04;font-weight:500;letter-spacing:-.02em}
  .featured .dek{margin:0;font-size:22px;line-height:1.45;font-style:italic;color:#444}
  .readmore{font-family:var(--sans);font-size:14px;font-weight:700;color:var(--accent);display:inline-flex;gap:8px;align-items:center}
  .readmore span{transition:transform .3s ease}
  .featured:hover .readmore span,.row:hover .arrow{transform:translateX(6px)}
  .featured:hover h2{color:var(--accent)}
  .featured .jump{stroke-dasharray:6 7;transition:stroke-dashoffset 1.2s ease}
  .featured:hover .jump{stroke-dashoffset:-60}
  .featured .ball{transition:transform .9s cubic-bezier(.3,.0,.2,1)}
  .featured:hover .ball{transform:translate(330px,-100px)}

  .rows{padding:12px 0 72px}
  .row{display:flex;flex-wrap:wrap;gap:10px 40px;align-items:baseline;padding:30px 0;border-bottom:1px solid var(--rule);color:var(--ink);text-decoration:none;transition:opacity .35s,transform .35s}
  .row.gone{display:none}
  .row .when{flex:0 0 130px;font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
  .row .main{flex:1 1 440px;min-width:0;display:flex;flex-direction:column;gap:6px}
  .row .t{font-size:30px;line-height:1.15;font-weight:500;letter-spacing:-.01em;transition:color .25s}
  .row .d{font-size:19px;line-height:1.45;color:#555}
  .row .topic{flex:0 0 170px;font-family:var(--sans);font-size:13px;font-weight:600;color:var(--accent);text-align:right;display:flex;gap:10px;justify-content:flex-end;align-items:center}
  .row .arrow{transition:transform .3s ease}
  .row:hover .t{color:var(--accent)}
  .row[aria-disabled="true"]{cursor:default}
  .empty{padding:40px 0;margin:0;font-size:19px;color:var(--muted)}

  .sub{margin:0 0 96px;padding:44px;background:var(--soft);border-radius:6px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
  .sub h2{margin:0 0 6px;font-size:30px;font-weight:500}
  .sub p{margin:0;font-size:19px;color:#555}
  .subform{flex:1 1 360px;display:flex;flex-wrap:wrap;gap:12px}
  .subform input{flex:1 1 220px;min-height:48px;padding:0 16px;border:1px solid #D9D9D3;border-radius:6px;background:#fff;font-family:var(--sans);font-size:15px;color:var(--ink)}
  .btn{min-height:48px;padding:0 24px;border:0;border-radius:6px;background:var(--accent);color:#fff;font-family:var(--sans);font-size:15px;font-weight:700;cursor:pointer;transition:filter .2s,transform .2s}
  .btn:hover{filter:brightness(1.12)}
  .btn:active{transform:translateY(1px)}
  .formnote{flex-basis:100%;margin:0;font-family:var(--sans);font-size:13px;color:var(--muted);min-height:18px}

  footer{border-top:1px solid var(--rule)}
  footer .bar{font-family:var(--sans);font-size:13px;color:var(--muted)}
  footer a{color:var(--muted);text-decoration:none;margin-left:22px}
  footer a:hover{color:var(--ink)}

  /* ---------- article ---------- */
  .art-head{max-width:740px;margin:0 auto;padding:64px 24px 36px}
  .back{font-family:var(--sans);font-size:13px;font-weight:600;text-decoration:none;display:inline-flex;gap:6px;align-items:center}
  .back span{transition:transform .25s}
  .back:hover span{transform:translateX(-4px)}
  .art-head .eyebrow{margin-top:40px}
  .art-head h1{margin:18px 0 0;font-size:clamp(42px,6.4vw,72px);line-height:1.03;font-weight:500;letter-spacing:-.028em}
  .art-head .dek{margin:22px 0 0;font-size:clamp(21px,2.4vw,26px);line-height:1.4;font-style:italic;color:#4a4a4a}
  .byline{margin-top:34px;padding:16px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
  .who{display:flex;align-items:center;gap:14px;font-family:var(--sans);font-size:14px;line-height:1.4}
  .avatar{width:44px;height:44px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-family:var(--sans);font-size:13px;font-weight:700}
  .lang{display:flex;gap:4px;padding:4px;border:1px solid #D9D9D3;border-radius:999px}
  .lang button{min-height:36px;min-width:54px;padding:0 14px;border:0;border-radius:999px;background:transparent;color:var(--ink);font-family:var(--sans);font-size:13px;font-weight:700;cursor:pointer;transition:background .25s,color .25s}
  .lang button[aria-pressed="true"]{background:var(--ink);color:#fff}
  .langnote{margin:14px 0 0;font-family:var(--sans);font-size:14px;color:var(--muted);height:0;overflow:hidden;opacity:0;transition:opacity .3s,height .3s}
  .langnote.show{height:20px;opacity:1}

  .cover{max-width:1080px;margin:0 auto 64px;padding:0 24px}
  .cover .frame{aspect-ratio:21/9;border-radius:6px;overflow:hidden;background:var(--soft)}
  .cover svg{display:block;width:100%;height:100%}
  .cover figcaption{margin-top:12px;font-family:var(--sans);font-size:13px;color:var(--muted)}
  .draw{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.2s .25s cubic-bezier(.6,0,.2,1) forwards}
  .draw-late{stroke-dasharray:.012 .014;opacity:0;animation:fadeIn .8s 2.2s forwards}
  .pop{opacity:0;transform-box:fill-box;transform-origin:center;animation:pop .5s forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
  @keyframes fadeIn{to{opacity:1}}
  @keyframes pop{0%{opacity:0;transform:scale(.2)}70%{opacity:1;transform:scale(1.25)}100%{opacity:1;transform:scale(1)}}

  .prose{max-width:680px;margin:0 auto;padding:0 24px}
  .prose p,.prose li{font-size:21px;line-height:1.68;color:var(--body)}
  .prose p{margin:0 0 26px}
  .prose h2{margin:68px 0 22px;font-size:clamp(28px,3.2vw,34px);line-height:1.15;font-weight:500;letter-spacing:-.01em;color:var(--ink)}
  .prose ol,.prose ul{margin:0 0 26px;padding-left:26px}
  .prose h3{margin:44px 0 14px;font-size:24px;line-height:1.25;font-weight:600;color:var(--ink)}
  .prose li{margin-bottom:8px}
  .dropcap::first-letter{-webkit-initial-letter:3;initial-letter:3;margin-right:12px;font-weight:500;color:var(--accent)}
  @supports not ((initial-letter:3) or (-webkit-initial-letter:3)){
    .dropcap::first-letter{float:left;font-size:106px;line-height:.82;margin:7px 12px 0 -2px}
  }
  .fn{border:0;background:none;padding:0 2px;margin:0;font-family:var(--sans);font-size:12px;font-weight:700;color:var(--accent);cursor:pointer;vertical-align:super;line-height:0}
  .fn:hover{color:var(--ink)}

  .pull{max-width:860px;margin:30px auto 54px;padding:0 24px;text-align:center}
  .pull p{margin:0;font-size:clamp(28px,3.8vw,40px);line-height:1.25;font-style:italic;color:var(--ink)}
  .pull cite{display:block;margin-top:16px;font-style:normal;font-family:var(--sans);font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
  .pull .mark{display:block;width:44px;height:2px;margin:0 auto 26px;background:var(--accent);transform:scaleX(0);transition:transform .9s .2s ease}
  .pull.in .mark{transform:scaleX(1)}

  .formula{max-width:680px;margin:8px auto 36px;padding:0 24px}
  .formula div{padding:28px 20px;background:var(--soft);border-radius:6px;text-align:center;font-size:clamp(20px,2.6vw,26px);font-style:italic;color:var(--ink);overflow-x:auto;white-space:nowrap}

  .demo{max-width:880px;margin:20px auto 60px;padding:0 24px}
  .demo .box{padding:30px;border:1px solid var(--rule);border-radius:8px;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.02)}
  .demo .top{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline;justify-content:space-between}
  .result{font-family:var(--sans);font-size:14px;font-weight:700;color:var(--muted);transition:color .3s}
  .result.good{color:var(--accent)} .result.bad{color:var(--warn)}
  .demo svg{display:block;width:100%;height:auto;margin:18px 0 10px}
  .controls{display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center}
  .controls label{font-family:var(--sans);font-size:14px;font-weight:700}
  .controls input[type=range]{flex:1 1 220px;min-height:44px;accent-color:var(--accent)}
  .ghost{min-height:44px;padding:0 20px;border:1px solid var(--accent);border-radius:999px;background:#fff;color:var(--accent);font-family:var(--sans);font-size:14px;font-weight:700;cursor:pointer;transition:background .2s,color .2s}
  .ghost:hover{background:var(--accent);color:#fff}
  .demo figcaption{margin-top:16px;font-family:var(--sans);font-size:14px;line-height:1.55;color:var(--muted)}
  .now{font-family:var(--sans);font-size:12px;font-weight:600;color:var(--muted)}

  .notes{max-width:680px;margin:60px auto 0;padding:32px 24px 0;border-top:1px solid var(--rule)}
  .notes h2{margin:0 0 16px;font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
  .notes ol{margin:0;padding-left:22px;font-family:var(--sans);font-size:14px;line-height:1.65;color:#4a4a4a}
  .notes li{scroll-margin-top:100px;transition:background .6s}
  .notes li.flash{background:var(--accent-soft)}

  .bio{max-width:680px;margin:44px auto 0;padding:0 24px}
  .bio div.in{display:flex;gap:20px;align-items:flex-start;padding:28px;background:var(--soft);border-radius:8px}
  .bio .avatar{flex:0 0 56px;width:56px;height:56px;font-size:15px}
  .bio p{margin:0}
  .pager{max-width:680px;margin:40px auto 0;padding:0 24px;display:flex;flex-wrap:wrap;gap:16px}
  .pager a{flex:1 1 260px;padding:22px 24px;border:1px solid var(--rule);border-radius:8px;text-decoration:none;color:var(--ink);transition:border-color .25s,transform .25s}
  .pager a:hover{border-color:var(--accent);transform:translateY(-2px)}
  .pager .k{display:block;font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
  .pager .v{display:block;margin-top:8px;font-size:22px}
  .endsub{max-width:680px;margin:40px auto 0;padding:0 24px}
  .endsub .in{padding:34px;border:1px solid var(--accent);border-radius:8px}
  .endsub h2{margin:0 0 8px;font-size:28px;font-weight:500}
  .endsub p.s{margin:0 0 20px;font-size:19px;line-height:1.5;color:#4a4a4a}

  /* footnote popover */
  .pop-note{position:absolute;z-index:70;max-width:320px;padding:14px 16px;background:var(--ink);color:#fff;border-radius:8px;font-family:var(--sans);font-size:13.5px;line-height:1.5;box-shadow:0 10px 30px rgba(0,0,0,.18);opacity:0;transform:translateY(6px);pointer-events:none;transition:opacity .2s,transform .2s}
  .pop-note.show{opacity:1;transform:none;pointer-events:auto}
  .pop-note a{color:#BFE0D5}

  /* reveal on scroll */
  .rv{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
  .rv.in{opacity:1;transform:none}

  /* toast */
  .toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:999px;font-family:var(--sans);font-size:14px;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:80}
  .toast.show{opacity:1;transform:translate(-50%,0)}

  @media (max-width:640px){
    .bar{padding:14px 20px}
    .wrap{padding:0 20px}
    .intro{padding:56px 0 32px}
    .row .when,.row .topic{flex-basis:100%;text-align:left;justify-content:flex-start}
    .sub{padding:28px}
    .demo .box{padding:20px}
    .prose p,.prose li{font-size:19px}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;transition-duration:.01ms!important}
    .rv{opacity:1;transform:none}
    .draw{stroke-dashoffset:0}
    html{scroll-behavior:auto}
  }
/*SHELFCSS*/
  /* ---------- bookshelf (generated) ---------- */
  .shelf-hero{padding:84px 0 40px}
  .shelf-hero h1{margin:14px 0 14px;font-size:clamp(44px,6.4vw,76px);line-height:1;font-weight:500;letter-spacing:-.025em}
  .shelf-hero .shelf-sub{margin:0;font-size:21px;line-height:1.5;color:#555;font-style:italic}
  .startpicks{padding:34px 0 40px;border-top:1px solid var(--rule)}
  .picks{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-top:18px}
  .pick{display:flex;gap:14px;align-items:center;padding:14px;border:1px solid var(--rule);border-radius:8px;background:#fff;color:var(--ink);text-decoration:none;transition:border-color .25s,transform .25s,box-shadow .25s}
  .pick:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 10px 24px -16px rgba(0,0,0,.35)}
  .pick .pd{display:flex;flex-direction:column;gap:6px;font-family:var(--sans);font-size:13px;line-height:1.5;color:var(--muted)}
  .pick .pt{font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.25;color:var(--ink)}
  .shelf-toc{position:relative;z-index:5;display:flex;gap:6px;overflow-x:auto;padding:12px 0;margin-bottom:8px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);scrollbar-width:none}
  .shelf-toc a{flex:0 0 auto;display:inline-flex;gap:8px;align-items:center;padding:8px 14px;border-radius:999px;font-family:var(--sans);font-size:13.5px;font-weight:600;color:var(--ink);text-decoration:none;border:1px solid transparent}
  .shelf-toc a span{color:var(--muted);font-size:11.5px}
  .shelf-toc a:hover,.shelf-toc a.on{border-color:#D9D9D3;background:var(--soft)}
  .shelf{padding:52px 0 8px;scroll-margin-top:120px}
  .shelf-label{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin-bottom:18px}
  .shelf-label .no{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent)}
  .shelf-label h2{margin:0;font-size:clamp(24px,2.6vw,30px);font-weight:500}
  .shelf-label .count{margin-left:auto;font-family:var(--sans);font-size:12.5px;color:var(--muted)}

  /* the case: rows of planks drawn by a repeating background, one plank per grid row */
  .case{--cov:204px;--cap:58px;--row:calc(var(--cov) + var(--plank) + var(--cap) + 24px);--plank:16px;display:grid;grid-template-columns:repeat(auto-fill,minmax(138px,1fr));grid-auto-rows:var(--row);column-gap:22px;padding:0 26px;border-radius:6px;
    background:
      repeating-linear-gradient(to bottom,transparent 0,transparent calc(var(--row) - var(--cap) - var(--plank)),#CFC2A6 calc(var(--row) - var(--cap) - var(--plank)),#BBAA8B calc(var(--row) - var(--cap) - 2px),rgba(70,50,20,.22) calc(var(--row) - var(--cap) - 2px),rgba(70,50,20,.22) calc(var(--row) - var(--cap)),transparent calc(var(--row) - var(--cap)),transparent var(--row)),
      linear-gradient(#F4EFE5,#ECE4D3);
    box-shadow:inset 0 0 0 1px rgba(120,100,60,.12),inset 12px 0 16px -14px rgba(80,60,30,.35),inset -12px 0 16px -14px rgba(80,60,30,.35)}
  .book{align-self:end;justify-self:stretch;display:flex;flex-direction:column;align-items:center;min-width:0;text-decoration:none;transform-origin:50% 100%;transition:transform .35s cubic-bezier(.2,.7,.2,1)}
  .bk-c{height:var(--cov);display:flex;align-items:flex-end;justify-content:center;margin-bottom:var(--plank);transform-origin:50% 100%;transition:transform .35s cubic-bezier(.2,.7,.2,1)}
  .book:hover .bk-c,.book:focus-visible .bk-c{transform:translateY(-10px) rotate(-1.2deg)}
  .book.pull .bk-c{transform:translateY(-24px) scale(1.05);transition-duration:.22s}
  .cap{height:var(--cap);box-sizing:border-box;padding-top:10px;width:100%;max-width:150px;text-align:center;display:flex;flex-direction:column;gap:3px}
  .cap-t{font-family:var(--serif);font-size:14.5px;font-weight:600;line-height:1.22;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .cap-a{font-family:var(--sans);font-size:11.5px;line-height:1.3;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .book:hover .cap-t{color:var(--accent)}
  .book.pull{transition:none}

  /* a face-out cover */
  .bkc{position:relative;display:flex;flex-direction:column;width:138px;height:204px;padding:16px 14px 14px 18px;box-sizing:border-box;background:var(--bg);color:var(--fg);border-radius:2px 5px 5px 2px;overflow:hidden;
    box-shadow:inset 6px 0 0 rgba(0,0,0,.10),inset 7px 0 0 rgba(255,255,255,.12),0 1px 1px rgba(0,0,0,.12),0 14px 18px -12px rgba(40,30,10,.5)}
  .bkc .ca{font-family:var(--sans);font-size:9.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;opacity:.8;line-height:1.35}
  .bkc .ct{margin-top:12px;font-family:var(--serif);font-size:var(--fs);font-weight:600;line-height:1.16;letter-spacing:-.005em;overflow-wrap:anywhere;hyphens:auto}
  .bkc .orn{position:absolute;left:18px;right:14px;bottom:14px;height:26px}
  .bkc.v0 .orn{border-top:1.5px solid currentColor;opacity:.45;height:0}
  .bkc.v1 .orn{width:26px;height:26px;right:auto;border-radius:50%;border:1.5px solid currentColor;opacity:.5}
  .bkc.v2 .orn{background:repeating-linear-gradient(90deg,currentColor 0 2px,transparent 2px 7px);opacity:.28;height:10px}
  .bkc.v3::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:currentColor;opacity:.10}
  .bkc.real{padding:0;background:#ddd;align-self:flex-end}
  .bkc.real img{display:block;width:100%;height:100%;object-fit:cover}
  .bkc.real::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.18),rgba(255,255,255,.12) 3px,transparent 7px)}
  .bkc.mini{width:60px;height:88px;padding:8px 7px 7px 9px;flex:0 0 auto}
  .bkc.mini .ca{display:none}
  .bkc.mini .ct{display:none}
  .bkc.mini .orn{left:9px;right:7px;bottom:7px}

  .spine-tip{position:fixed;z-index:70;max-width:280px;padding:10px 12px;border-radius:6px;background:#1A1A1A;color:#fff;font-family:var(--sans);font-size:12.5px;line-height:1.5;pointer-events:none;opacity:0;transform:translateY(4px);transition:opacity .2s,transform .2s}
  .spine-tip.show{opacity:1;transform:none}
  .spine-tip b{display:block;font-family:var(--serif);font-size:15px;margin-bottom:3px}

  /* book page: header shares the prose column */
  .book-top{max-width:680px;margin:0 auto;padding:56px 24px 0}
  .book-head{display:flex;gap:28px;align-items:center;margin:26px 0 40px;padding:26px;border-radius:10px;background:var(--soft)}
  .bk-cover{flex:0 0 auto;display:flex;align-items:flex-end}
  .bk-cover .bkc+.bkc{margin-left:-62px}
  .bk-cover.n4 .bkc+.bkc{margin-left:-86px}
  .bk-cover.n2 .bkc:first-child{transform:rotate(-3deg)}
  .bk-cover .bkc:nth-child(2){transform:translate(4px,4px) rotate(2deg)}
  .bk-cover.n4 .bkc:nth-child(3){transform:translate(6px,5px) rotate(3deg)}
  .bk-cover.n4 .bkc:nth-child(4){transform:translate(9px,7px) rotate(4deg)}
  .bk-cover.n4 .bkc:first-child{transform:rotate(-2deg)}
  
  .bk-cover .bkc{width:112px;height:166px;padding:12px 11px 11px 14px}
  .bk-cover .bkc .ct{font-size:calc(var(--fs) * .82)}
  .bk-cover .bkc .ca{font-size:8.5px}
  .bh{flex:1 1 auto;min-width:0}
  .bh h1{margin:8px 0 8px;font-size:clamp(28px,3.6vw,38px);line-height:1.15;font-weight:500;letter-spacing:-.01em}
  .book-meta{margin:0;font-family:var(--sans);font-size:14px;line-height:1.5;color:var(--muted)}
  .book-prose blockquote.bq{margin:34px 0;padding:4px 0 4px 22px;border-left:3px solid var(--accent)}
  .book-prose blockquote.bq p{font-style:italic;font-size:22px;color:var(--ink);margin:0}
  .book-prose strong{color:var(--ink)}
  .bookview .pager{max-width:680px}

  .shelf-teaser{display:flex;flex-wrap:wrap;align-items:flex-end;gap:28px 44px;padding:40px 0;border-bottom:1px solid var(--rule);color:var(--ink);text-decoration:none}
  .shelf-teaser .mini{display:flex;align-items:flex-end;gap:6px;padding:0 6px;border-bottom:8px solid #CDBFA5}
  .shelf-teaser .mini i{display:block;width:44px;height:64px;border-radius:1px 3px 3px 1px;box-shadow:inset 3px 0 0 rgba(0,0,0,.1);transition:transform .3s}
  .shelf-teaser:hover .mini i:nth-child(odd){transform:translateY(-6px)}
  .shelf-teaser .tx{flex:1 1 320px}
  .shelf-teaser h2{margin:8px 0 6px;font-size:clamp(26px,3vw,34px);font-weight:500}
  .shelf-teaser:hover h2{color:var(--accent)}

  @media (max-width:640px){
    .shelf-hero{padding:48px 0 28px}
    .picks{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
    .pick{flex:0 0 80%;scroll-snap-align:start}
    .shelf-toc{position:static}
    .case{--cov:154px;--cap:54px;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));column-gap:12px;padding:0 12px}
    .case .bkc{width:104px;height:154px;padding:11px 10px 10px 13px}
    .case .bkc .ct{font-size:calc(var(--fs) * .78)}
    .case .bkc .ca{font-size:8px}
    .cap-t{font-size:13px}.cap-a{font-size:10.5px}
    .bk-cover .bkc+.bkc{margin-left:-50px}.bk-cover.n4 .bkc+.bkc{margin-left:-70px}
    .book-head{padding:18px;gap:18px}
    .bk-cover .bkc{width:86px;height:128px}
  }
  @media (prefers-reduced-motion:reduce){.book,.pick{transition:none}.book:hover .bk-c{transform:none}.bk-c{transition:none}}
  .bkc.real,.bk-cover .bkc.real,.case .bkc.real,.bkc.mini.real{padding:0}
/*/SHELFCSS*/
/* site integration: the site nav sits on top, the reading bar runs along its lower edge */
body{padding-top:58px}
.progress{top:58px}
@media (max-width:620px){body{padding-top:52px}.progress{top:52px}}