/* =====================================================================
   Yukeshceo — Books, reader, entity blocks, routes, tools hub
   ===================================================================== */

/* ---------- 3D book ---------- */
.bk{--w:var(--bw,168px);--d:calc(var(--w) * .085);display:inline-block;perspective:1800px;color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
.bk--sm{--bw:120px}.bk--md{--bw:168px}.bk--lg{--bw:clamp(150px,17vw,210px)}.bk--xl{--bw:min(340px,62vw)}
.bk-3d{position:relative;display:block;width:var(--w);aspect-ratio:600/849;transform-style:preserve-3d;transform:rotateY(24deg) rotateX(4deg);transition:transform .8s var(--ease-out)}
a.bk:hover .bk-3d,a.bk:focus-visible .bk-3d{transform:rotateY(8deg) rotateX(2deg) translateY(-10px)}
.bk.is-current .bk-3d{transform:rotateY(10deg) rotateX(2deg) translateY(-14px)}
a.bk:focus-visible{outline:none}
a.bk:focus-visible .bk-front{outline:2px solid var(--sun);outline-offset:4px}
.bk-front,.bk-back,.bk-pages,.bk-spine{position:absolute;display:block}
.bk-front{inset:0;transform:translateZ(calc(var(--d) / 2));border-radius:2px 5px 5px 2px;overflow:hidden;background:var(--accent);
  box-shadow:0 0 0 1px rgba(0,0,0,.18) inset}
.bk-front img{width:100%;height:100%;object-fit:cover;display:block}
.bk-front::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(0,0,0,.32) 0,rgba(255,255,255,.22) 1.2%,rgba(0,0,0,.12) 2.6%,rgba(255,255,255,0) 7%),
             linear-gradient(115deg,rgba(255,255,255,.18) 0,rgba(255,255,255,0) 38%,rgba(255,255,255,0) 70%,rgba(255,255,255,.08) 100%)}
.bk-back{inset:0;transform:rotateY(180deg) translateZ(calc(var(--d) / 2));border-radius:5px 2px 2px 5px;background:color-mix(in srgb,var(--accent) 35%,#0b0f22);
  box-shadow:30px 34px 60px -26px rgba(0,0,0,.75)}
.bk-pages{top:1.4%;height:97.2%;width:var(--d);left:calc(var(--w) - var(--d) / 2 - 2px);transform:rotateY(90deg);
  background:repeating-linear-gradient(90deg,#f6f2e8 0 1px,#ddd5c3 1px 2px);box-shadow:inset 0 0 6px rgba(0,0,0,.25)}
.bk-spine{top:0;height:100%;width:var(--d);left:calc(var(--d) / -2);transform:rotateY(-90deg);overflow:hidden;
  background:linear-gradient(90deg,rgba(0,0,0,.35),rgba(255,255,255,.08) 45%,rgba(0,0,0,.3)),color-mix(in srgb,var(--accent) 55%,#0b0f22);
  display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:10px 0;color:#fff}
.bk-spine i{font-style:normal;writing-mode:vertical-rl;font-family:var(--font-mono);font-size:max(8px,calc(var(--w) * .045));letter-spacing:.14em;text-transform:uppercase;white-space:nowrap;opacity:.9;overflow:hidden;max-height:78%}
.bk-spine b{font-family:var(--font-display);font-size:max(10px,calc(var(--w) * .06));line-height:1}
.bk-blank{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;gap:8px;padding:14%;color:#fff;
  background:radial-gradient(120% 80% at 80% 0%,rgba(255,255,255,.22),transparent 60%),var(--accent)}
.bk-blank small{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;opacity:.8}
.bk-blank b{font-family:var(--font-display);font-size:calc(var(--w) * .1);line-height:1.05;letter-spacing:-.03em}

/* ---------- shelf ---------- */
.shelf{position:relative;--bh:calc(var(--bw,168px) * 1.415)}
.shelf-row{list-style:none;margin:0;padding:34px 30px 6px 46px;display:flex;gap:clamp(36px,5vw,72px);overflow-x:auto;overflow-y:visible;scroll-snap-type:x proximity;scrollbar-width:thin}
.shelf-item{position:relative;flex:0 0 auto;scroll-snap-align:start;--bw:168px}
.shelf--sm .shelf-item{--bw:120px}.shelf--lg .shelf-item{--bw:clamp(150px,17vw,210px)}
.shelf-item::before{content:"";position:absolute;left:-60px;right:-60px;top:calc(var(--bw) * 1.415 + 6px);height:12px;border-radius:2px;
  background:linear-gradient(var(--surface-2),var(--surface));border-top:1px solid var(--line-2);box-shadow:0 26px 34px -22px rgba(0,0,0,.65);z-index:-1}
.shelf-item:first-child::before{left:-46px}
.shelf-lbl{margin-top:34px;max-width:var(--bw);display:flex;flex-direction:column;gap:3px}
.shelf-lbl .vol{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--sun)}
.shelf-lbl a{font-family:var(--font-display);font-weight:600;font-size:17px;letter-spacing:-.03em;line-height:1.2;color:var(--ink)}
.shelf-lbl a:hover{color:var(--sun)}
.shelf-lbl small{font-family:var(--font-mono);font-size:10.5px;color:var(--ink-3);letter-spacing:.06em}
.shelf-item.is-current .shelf-lbl a{color:var(--sun)}
.shelf-board{display:none}
.lib-cta{margin-top:34px}

/* ---------- book page hero ---------- */
.bkp{--accent:var(--sun)}
.bk-hero{position:relative;padding:150px 0 90px;overflow:hidden}
.bk-hero::before{content:"";position:absolute;inset:-20% -10% auto;height:120%;pointer-events:none;
  background:radial-gradient(40% 50% at 28% 46%,color-mix(in srgb,var(--accent) 26%,transparent),transparent 70%),radial-gradient(30% 40% at 80% 10%,var(--glow),transparent 70%)}
.bk-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,7vw,110px);align-items:center}
.bk-hero-cover{display:flex;justify-content:center;padding:20px 0 30px}
.bk-hero-cover .bk-3d{transform:rotateY(-24deg) rotateX(6deg);transition:transform .9s var(--ease-out)}
.bk-hero-cover .bk-back{box-shadow:-40px 50px 80px -30px rgba(0,0,0,.75)}
.bk-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:22px 0 14px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.bk-kicker a{color:var(--ink-2);border-bottom:1px solid var(--line-2)}
.bk-kicker a:hover{color:var(--sun);border-color:var(--sun)}
.bk-vol{padding:5px 10px;border-radius:999px;border:1px solid var(--accent);color:var(--ink)}
.bk-title{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,6vw,86px);line-height:.98;letter-spacing:-.05em;margin:0}
.bk-sub{font-family:var(--font-serif);font-style:italic;font-size:clamp(21px,2.2vw,28px);line-height:1.3;color:var(--ink-2);margin:20px 0 10px;max-width:34ch}
.bk-by{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0 0 26px}
.bk-by a{color:var(--ink);border-bottom:1px solid var(--sun)}
.bk-facts{list-style:none;margin:0 0 30px;padding:0;display:flex;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bk-facts li{flex:1 1 90px;padding:14px 16px 14px 0;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);display:flex;flex-direction:column;gap:2px}
.bk-facts li+li{padding-left:16px;border-left:1px solid var(--line)}
.bk-facts b{font-family:var(--font-display);font-size:24px;letter-spacing:-.03em;color:var(--ink);text-transform:none}
.bk-hero .btn small{font-family:var(--font-mono);font-weight:400;font-size:11px;opacity:.7}
@media(max-width:900px){.bk-hero{padding:120px 0 60px}.bk-hero-grid{grid-template-columns:1fr;gap:20px}.bk-hero-cover{order:-1}}

/* ---------- reader ---------- */
.rd{position:relative;padding:44px 0 34px;scroll-margin-top:70px;border-block:1px solid var(--line);
  background:radial-gradient(60% 50% at 50% 0%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 70%),var(--bg-2)}
.rd-shell{max-width:1320px;margin:0 auto;padding:0 20px;outline:none;--ratio:.7071}
.rd-bar{position:sticky;top:76px;z-index:6;display:flex;align-items:center;justify-content:space-between;gap:10px 16px;flex-wrap:wrap;max-width:1200px;margin:0 auto;
  padding:8px 10px 8px 22px;border:1px solid var(--line-2);border-radius:999px;background:color-mix(in srgb,var(--surface) 86%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.rd-name{display:flex;flex-direction:column;min-width:0;line-height:1.2}
.rd-name b{font-family:var(--font-display);font-weight:600;font-size:15px;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rd-name small{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.rd-nav,.rd-tools{display:flex;align-items:center;gap:8px}
.rd-btn{width:40px;height:40px;display:inline-grid;place-items:center;border-radius:50%;border:1px solid var(--line-2);background:transparent;color:var(--ink);cursor:pointer;font:400 22px/1 var(--font-body);transition:background .2s,color .2s,border-color .2s,opacity .2s}
.rd-btn:hover{border-color:var(--ink)}
.rd-btn:disabled{opacity:.3;cursor:default}
.rd-btn[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.rd-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.rd-pg{white-space:nowrap;display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:12px;color:var(--ink-3)}
.rd-pg input{width:54px;height:36px;border-radius:10px;border:1px solid var(--line-2);background:var(--bg);color:var(--ink);text-align:center;font:500 13px var(--font-mono);-moz-appearance:textfield}
.rd-pg input::-webkit-inner-spin-button,.rd-pg input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.rd-pg b{color:var(--ink);font-weight:500}
.rd-stage{position:relative;max-width:1200px;margin:30px auto 0;min-height:420px}
.rd-book{position:relative;width:100%;margin:0 auto}

.rd-book .rd-page{display:block;overflow:hidden;background:#fbfaf6;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06)}
.rd-book .rd-page canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0;transition:opacity .35s}
.rd-book .rd-page.is-ready canvas{opacity:1}
.rd-book .rd-page:not(.is-ready)::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,rgba(0,0,0,.05) 50%,transparent 70%) 0 0/250% 100%;animation:rdShim 1.4s linear infinite}
@keyframes rdShim{to{background-position:-250% 0}}
.rd-pn{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);font:500 10px var(--font-mono);color:rgba(0,0,0,.35);pointer-events:none;z-index:2}
.rd-book .rd-page.is-ready .rd-pn{opacity:0}
.rd-load{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;font-family:var(--font-mono);font-size:12px;color:var(--ink-2);letter-spacing:.06em}
.rd-load[hidden]{display:none}
.rd-load a{color:var(--sun);text-decoration:underline}
.rd-spin{width:34px;height:34px;border-radius:50%;border:2px solid var(--line-2);border-top-color:var(--accent);animation:rdSpin .9s linear infinite}
.rd-load.is-error .rd-spin{display:none}
@keyframes rdSpin{to{transform:rotate(360deg)}}
.rd-edge{position:absolute;top:0;bottom:0;width:min(9vw,90px);border:0;background:transparent;color:var(--ink-2);font-size:42px;cursor:pointer;opacity:0;transition:opacity .25s;z-index:3}
.rd-edge--prev{left:-10px;margin-left:-60px}
.rd-edge--next{right:-10px;margin-right:-60px}
.rd-stage:hover .rd-edge:not(:disabled){opacity:.8}
.rd-edge:disabled{display:none}
@media(max-width:1340px){.rd-edge--prev{margin-left:0;left:0}.rd-edge--next{margin-right:0;right:0}.rd-edge{width:44px;background:linear-gradient(90deg,var(--bg-2),transparent)}.rd-edge--next{background:linear-gradient(-90deg,var(--bg-2),transparent)}}
@media(hover:none){.rd-edge{display:none}}
.rd-progress{height:3px;max-width:1200px;margin:26px auto 0;border-radius:3px;background:var(--line);overflow:hidden}
.rd-progress i{display:block;height:100%;width:0;background:var(--accent);transition:width .45s var(--ease-out)}
.rd-thumbs{display:flex;gap:12px;max-width:1200px;margin:16px auto 0;padding:10px 4px 26px;overflow-x:auto;scrollbar-width:thin}
.rd-thumbs[hidden]{display:none}
.rd-thumb{position:relative;flex:0 0 auto;width:78px;aspect-ratio:var(--ratio);padding:0;border:2px solid transparent;border-radius:4px;background:#fbfaf6;cursor:pointer;transition:transform .2s,border-color .2s}
.rd-thumb canvas{width:100%;height:100%;display:block;border-radius:2px}
.rd-thumb span{position:absolute;left:0;right:0;bottom:-20px;text-align:center;font:500 10px var(--font-mono);color:var(--ink-3)}
.rd-thumb:hover{transform:translateY(-3px)}
.rd-thumb.on{border-color:var(--accent)}
.rd-thumb.on span{color:var(--ink)}
.rd-hint{max-width:1200px;margin:14px auto 0;text-align:center;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.rd-shell.is-full,.rd-shell.is-pseudo-full{background:var(--bg);padding:14px 18px;overflow:auto}
.rd-shell.is-pseudo-full{position:fixed;inset:0;z-index:250}
.rd-shell.is-full .rd-bar,.rd-shell.is-pseudo-full .rd-bar{top:0}
.rd-shell.is-full .rd-stage,.rd-shell.is-pseudo-full .rd-stage{margin-top:16px}
.rd-shell.is-full .rd-hint{display:none}
/* zoom */
.rd-zoom{position:fixed;inset:0;z-index:300;display:flex;flex-direction:column;background:rgba(5,6,15,.95);backdrop-filter:blur(6px)}
.rd-zoom[hidden]{display:none}
.rd-zoom-bar{display:flex;align-items:center;justify-content:center;gap:10px;padding:14px;color:#eef0ff;font-family:var(--font-mono);font-size:12px}
.rd-zoom-bar .rd-btn{color:#eef0ff;border-color:rgba(238,240,255,.25)}
.rd-zoom-pane{flex:1;overflow:auto;padding:10px 20px 40px;display:flex;justify-content:center;align-items:flex-start}
.rd-zoom-pane canvas{background:#fff;box-shadow:0 30px 80px -30px #000;max-width:none}
html.rd-zooming{overflow:hidden}
@media(max-width:700px){
  .rd{padding:24px 0}
  .rd-shell{padding:0 10px}
  .rd-bar{top:64px;border-radius:18px;padding:8px 10px}
  .rd-name{flex-basis:100%;order:-1;padding:0 4px}
  .rd-nav{flex:1}
  .rd-btn{width:36px;height:36px}
  .rd-stage{min-height:300px;margin-top:18px}
}

/* ---------- inside the book ---------- */
.bk-inside{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(40px,6vw,90px);padding:100px 0 40px}
.bk-about .prose{margin-top:16px}
.bk-h{font-family:var(--font-display);font-size:24px;letter-spacing:-.03em;margin:40px 0 14px}
.bk-learn{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.bk-learn li{position:relative;padding:14px 16px 14px 46px;border:1px solid var(--line);border-radius:14px;background:var(--surface);font-weight:600}
.bk-learn li::before{content:"✓";position:absolute;left:16px;top:13px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;background:var(--accent);color:#0b0f22}
.bk-topics{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 0}
.bk-topics span{padding:6px 12px;border-radius:999px;border:1px solid var(--line-2);font-family:var(--font-mono);font-size:11px;color:var(--ink-2)}
.bk-toc{position:sticky;top:110px;align-self:start}
.bk-toc ol{list-style:none;margin:16px 0 0;padding:0;border-top:1px solid var(--line)}
.bk-toc li{border-bottom:1px solid var(--line)}
.bk-toc a,.bk-toc .row{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:baseline;padding:12px 4px;color:var(--ink);transition:background .2s,padding .3s var(--ease-out)}
.bk-toc a:hover{background:var(--hi);padding-left:12px}
.bk-toc .n{font-family:var(--font-mono);font-size:11px;color:var(--ink-3)}
.bk-toc .t{font-weight:650;line-height:1.35}
.bk-toc .p{font-family:var(--font-mono);font-size:11px;color:var(--ink-3)}
.bk-toc a:hover .p{color:var(--sun)}
.bk-series{padding:90px 0 20px}
.bk-series .sec-title a{color:inherit}
.bk-series .sec-title a:hover{color:var(--sun)}
@media(max-width:900px){.bk-inside{grid-template-columns:1fr;padding-top:60px}.bk-toc{position:static}}

/* ---------- library + series pages ---------- */
.lib{padding-bottom:40px}
.lib-shelf{padding:30px 0 70px;border-bottom:1px solid var(--line);margin-bottom:40px}
.lib-shelf-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:10px}
.lib-shelf-head h2{font-family:var(--font-display);font-size:clamp(28px,3.4vw,46px);letter-spacing:-.04em;line-height:1.05;margin:12px 0 0}
.lib-shelf-head h2 a{color:inherit}
.lib-shelf-head h2 a:hover{color:var(--sun)}
.ser-path{padding:10px 0 60px}
.ser-steps{list-style:none;margin:20px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;counter-reset:s}
.ser-steps li{position:relative;padding:26px 24px 22px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);overflow:hidden}
.ser-steps li::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--accent)}
.ser-n{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.ser-steps h3{font-family:var(--font-display);font-size:24px;letter-spacing:-.03em;margin:8px 0 8px}
.ser-steps h3 a{color:inherit}
.ser-steps h3 a:hover{color:var(--sun)}
.ser-steps p{color:var(--ink-2);margin:0 0 14px;font-size:15.5px}
.ser-steps details{margin:0 0 16px;font-size:14.5px}
.ser-steps summary{cursor:pointer;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.ser-steps details ol{margin:10px 0 0;padding-left:20px;color:var(--ink-2)}
.ser-steps details a{color:var(--ink-2)}
.ser-steps details a:hover{color:var(--sun)}

/* ---------- tools hub + home tools ---------- */
.hub{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:10px 0 60px}
.hub-card{position:relative;display:flex;flex-direction:column;gap:10px;min-height:280px;padding:28px 26px 24px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);color:var(--ink);overflow:hidden;transition:transform .5s var(--ease-out),border-color .3s}
.hub-card::after{content:"";position:absolute;width:260px;height:260px;right:-90px;top:-110px;border-radius:50%;background:radial-gradient(circle,var(--glow),transparent 70%);transition:transform .8s var(--ease-out)}
.hub-card:hover{transform:translateY(-6px);border-color:var(--line-2)}
.hub-card:hover::after{transform:scale(1.4)}
.hub-n{font-family:var(--font-display);font-size:48px;letter-spacing:-.05em;color:var(--ink-3);line-height:1}
.hub-card h2,.hub-card h3{font-family:var(--font-display);font-size:clamp(22px,2vw,28px);letter-spacing:-.035em;line-height:1.1;margin:4px 0 0}
.hub-card p{color:var(--ink-2);margin:0;flex:1;font-size:15.5px}
.hub-card .link-arrow{align-self:flex-start}
.hub-card[data-hub="sky"]{background:radial-gradient(90% 70% at 100% 0%,rgba(129,151,255,.18),transparent 70%),var(--surface)}
.hub-card[data-hub="pulse"]{background:radial-gradient(90% 70% at 100% 0%,var(--hi),transparent 70%),var(--surface)}
@media(max-width:900px){.hub{grid-template-columns:1fr}.hub-card{min-height:0}}

/* ---------- routes ("keep exploring") ---------- */
.routes{padding:70px 0 40px}
.routes-top{border-top:1px solid var(--line);padding-top:22px;margin-bottom:22px}
.routes-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.route{position:relative;display:flex;flex-direction:column;gap:6px;padding:20px 20px 46px;border:1px solid var(--line);border-radius:18px;color:var(--ink);background:var(--surface);transition:border-color .3s,transform .4s var(--ease-out)}
.route:hover{border-color:var(--sun);transform:translateY(-4px)}
.route-kind{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--sun)}
.route b{font-family:var(--font-display);font-weight:600;font-size:17px;letter-spacing:-.025em;line-height:1.2}
.route small{color:var(--ink-2);font-size:14px;line-height:1.45}
.route-go{position:absolute;left:20px;bottom:16px;font-size:18px;color:var(--ink-3);transition:transform .35s var(--ease-out),color .3s}
.route:hover .route-go{transform:translateX(6px);color:var(--sun)}
@media(max-width:1000px){.routes-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.routes-grid{grid-template-columns:1fr}}

/* ---------- author box ---------- */
.abox{display:grid;grid-template-columns:72px 1fr;gap:20px;align-items:start;margin:60px 0 0;padding:26px 28px;border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--surface)}
.abox-face img{width:72px;height:72px;border-radius:50%;object-fit:cover;background:var(--surface-2);border:1px solid var(--line-2)}
.abox .tag{margin:0}
.abox-name{font-family:var(--font-display);font-weight:600;font-size:22px;letter-spacing:-.03em;margin:4px 0 8px}
.abox-name a{color:var(--ink)}
.abox-name span{font-family:var(--font-serif);font-style:italic;font-weight:400;font-size:19px;letter-spacing:0;color:var(--ink-2)}
.abox-text{color:var(--ink-2);margin:0 0 14px;font-size:15.5px;line-height:1.6}
.abox-text a,.foot-entity a,.bio-def a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--sun);text-underline-offset:3px;text-decoration-thickness:1px}
.abox-text a:hover,.foot-entity a:hover,.bio-def a:hover{color:var(--sun)}
.abox-links{display:flex;flex-wrap:wrap;gap:8px 18px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.abox-links a{color:var(--ink-2)}
.abox-links a:hover{color:var(--sun)}
@media(max-width:560px){.abox{grid-template-columns:1fr;padding:22px}}

/* ---------- entity statement in footer / bio ---------- */
.foot-entity{max-width:860px;margin:0 0 34px;padding-top:26px;border-top:1px solid var(--line);color:var(--ink-3);font-size:14px;line-height:1.7}
.foot-entity b{color:var(--ink-2);font-weight:600}
.bio-def{max-width:70ch;margin:0 0 50px;font-family:var(--font-serif);font-size:clamp(21px,2.1vw,27px);line-height:1.4;color:var(--ink-2)}
.bio-def b{font-family:var(--font-body);font-weight:700;font-size:.85em;color:var(--ink)}
.bio-books{padding:30px 0 10px}
.dossier dd a{color:var(--ink);border-bottom:1px solid var(--sun)}

/* ---------- header menu: read & play ---------- */
.menu-ex{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.menu-ex a{display:flex;align-items:baseline;gap:10px;color:var(--ink);font-weight:600}
.menu-ex small{font-family:var(--font-mono);font-weight:400;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--sun);min-width:58px}
.menu-ex a:hover{color:var(--sun)}

/* ---------- footer gets a fifth column ---------- */
@media(min-width:901px){.foot-cols{grid-template-columns:repeat(5,minmax(0,1fr))}}

/* ---------- home ---------- */
.home-lib .shelf{margin-top:-10px}

@media (prefers-reduced-motion:reduce){.bk-3d,.hub-card,.route{transition:none}}

/* ---------- mobile: footer base + safe edges ---------- */
@media(max-width:640px){
  .foot-base{flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:8px;padding:20px 22px 30px;text-align:left}
  .foot-base>span:nth-child(2){display:none}
  .foot-base .deva{font-size:14px}
  .foot-cols{gap:26px 18px}
  .foot-cols a,.foot-entity a,.route b,.shelf-lbl a{overflow-wrap:anywhere}
  .foot-entity{font-size:13.5px;margin-bottom:26px}
  .maker{margin-top:0}
}

/* ---------- full-screen menu: scrolls within the screen, no visible scrollbar ---------- */
.hm-menu{height:100vh;height:100dvh}
.hm-menu,.hm-menu-nav,.hm-menu-side{scrollbar-width:none;-ms-overflow-style:none}
.hm-menu::-webkit-scrollbar,.hm-menu-nav::-webkit-scrollbar,.hm-menu-side::-webkit-scrollbar{display:none}
@media(min-width:861px){
  .hm-menu-nav,.hm-menu-side{min-height:0;max-height:100vh;max-height:100dvh;overflow-y:auto;overscroll-behavior:contain}
  .hm-menu-nav{justify-content:flex-start}
  .hm-menu-nav>ul{margin:auto 0} /* centred when it fits, scrolls from the top when it doesn't */
  .hm-menu-side{justify-content:flex-start}
  .hm-menu-side>*:last-of-type{margin-top:auto}
}
@media(max-width:860px){.hm-menu{display:block;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.hm-menu-nav,.hm-menu-side{min-height:0}}

/* ---------- footer status: full width on phones/tablets ---------- */
@media(max-width:900px){.foot-cols>div:last-child{grid-column:1/-1}}

/* ---------- reader bar on phones: title on top, page controls left, tools right ---------- */
@media(max-width:700px){
  .rd-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 6px}
  .rd-name{flex:1 1 100%}
  .rd-nav{flex:0 1 auto;gap:4px}
  .rd-tools{margin-left:auto;gap:4px;justify-content:flex-end}
}
@media(max-width:480px){
  .rd-btn{width:32px;height:32px;font-size:19px}
  .rd-btn svg{width:16px;height:16px}
  .rd-pg{gap:4px;font-size:11px}
  .rd-pg input{width:42px;height:32px;font-size:12px}
}

/* ---------- single post meta on phones: author, then date · read time · share ---------- */
@media(max-width:640px){
  .post-meta{gap:12px 14px}
  .post-meta .by{flex:1 1 100%}
  .post-meta>span:not(.by):not(.yk-meta-share)+span:not(.yk-meta-share)::before{content:"·";margin-right:14px;color:var(--ink-3)}
  .post-meta .yk-meta-share{margin-left:auto}
}