/* ProxyLook eBooks: hub, landing and reader pages. Loaded only on /ebooks routes. */
.eb-hero{padding:40px 0 34px;position:relative;overflow:hidden}
.eb-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;position:relative}
.eb-pills{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.eb-pill{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;background:var(--accent-soft);color:var(--accent-ink);border:1px solid color-mix(in srgb,var(--accent) 22%,transparent)}
.eb-pill.g{background:var(--good-soft,#e5f6ee);color:var(--good,#0b8457);border-color:color-mix(in srgb,var(--good,#0b8457) 25%,transparent)}
.eb-pill.n{background:var(--paper-2);color:var(--ink-3);border-color:var(--line)}
.eb-h1{font-size:clamp(34px,5vw,56px);line-height:1.02;font-weight:800;letter-spacing:-.035em;color:var(--ink);margin:0}
.eb-tag{font-size:clamp(16px,1.6vw,19px);line-height:1.55;color:var(--ink-3);margin:16px 0 0;max-width:56ch}
.eb-hl{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:9px}
.eb-hl li{position:relative;padding-left:28px;font-size:15px;line-height:1.5;color:var(--ink-2)}
.eb-hl li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.2 8.3l2.4 2.4 5.2-5.4' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat}
.eb-cta{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 0}
.eb-cta .pl-btn{display:inline-flex;align-items:center;gap:9px}
.eb-meta{margin:14px 0 0;font-size:13px;color:var(--muted)}
.eb-meta b{color:var(--ink-2);font-weight:600}
.eb-cover{position:relative;display:flex;justify-content:center;perspective:1600px;padding:10px 0 26px}
.eb-cover::before{content:"";position:absolute;inset:8% 6% 0;background:radial-gradient(60% 55% at 50% 55%,color-mix(in srgb,var(--eb-a,var(--accent)) 38%,transparent),transparent 70%);filter:blur(28px);opacity:.75}
.eb-cover a{position:relative;display:block;width:min(360px,78%);border-radius:6px 12px 12px 6px;transform:rotateY(-17deg) rotateX(4deg) rotate(1.2deg);transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.2,1);box-shadow:-1px 0 0 rgba(255,255,255,.14) inset,26px 34px 60px -18px rgba(8,16,40,.55),8px 10px 20px -8px rgba(8,16,40,.35)}
.eb-cover a:hover{transform:rotateY(-6deg) rotateX(2deg) rotate(0)}
.eb-cover img{display:block;width:100%;height:auto;aspect-ratio:8.5/11;border-radius:6px 12px 12px 6px;background:#0a1226}
.eb-cover a::after{content:"";position:absolute;left:0;top:0;bottom:0;width:14px;border-radius:6px 0 0 6px;background:linear-gradient(90deg,rgba(255,255,255,.22),rgba(255,255,255,0) 60%,rgba(0,0,0,.18))}
.eb-stats{display:grid;grid-template-columns:repeat(6,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg,14px);background:var(--paper);overflow:hidden}
.eb-stats div{padding:16px 18px;border-left:1px solid var(--line)}
.eb-stats div:first-child{border-left:0}
.eb-stats b{display:block;font-size:26px;font-weight:800;letter-spacing:-.03em;color:var(--ink);line-height:1.1}
.eb-stats span{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.eb-sec{padding:54px 0 0}
.eb-sec:last-of-type{padding-bottom:64px}
.eb-k{font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.eb-h2{font-size:clamp(24px,3vw,34px);line-height:1.12;font-weight:800;letter-spacing:-.03em;color:var(--ink);margin:0 0 12px;max-width:26ch}
.eb-sub{font-size:16px;line-height:1.6;color:var(--ink-3);margin:0 0 22px;max-width:64ch}
.eb-two{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:start}
.eb-prose p{font-size:16px;line-height:1.7;color:var(--ink-2);margin:0 0 14px}
.eb-prose p.eb-k{font-size:11.5px;line-height:1.4;color:var(--accent);margin:0 0 10px}
.eb-quote{margin:22px 0 0;padding:4px 0 4px 18px;border-left:4px solid var(--accent);font-size:21px;line-height:1.35;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.eb-out{border:1px solid var(--line);border-radius:var(--r-lg,14px);background:var(--paper);padding:22px 24px}
.eb-out h3{font-size:15px;font-weight:700;color:var(--ink);margin:0 0 12px}
.eb-out ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.eb-out li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.5;color:var(--ink-2)}
.eb-out li::before{content:"";position:absolute;left:0;top:4px;width:16px;height:16px;border-radius:5px;background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.2 8.3l2.4 2.4 5.2-5.4' fill='none' stroke='%231e60d6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat}
.eb-gal{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.eb-gal button{all:unset;cursor:zoom-in;display:block;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:0 8px 22px -14px rgba(8,16,40,.35);transition:transform .2s,box-shadow .2s;position:relative}
.eb-gal button:hover,.eb-gal button:focus-visible{transform:translateY(-4px);box-shadow:0 18px 34px -16px rgba(8,16,40,.45);outline:2px solid var(--accent);outline-offset:2px}
.eb-gal img{display:block;width:100%;height:auto;aspect-ratio:8.5/11;object-fit:cover}
.eb-gal figcaption,.eb-gal .cap{display:block;padding:10px 12px;background:var(--paper);border-top:1px solid var(--line);font-size:12.5px;line-height:1.4;color:var(--ink-2);font-weight:600}
.eb-gal .cap small{display:block;font-weight:500;color:var(--muted);font-size:11.5px;margin-top:2px}
.eb-lb{position:fixed;inset:0;z-index:10050;background:rgba(6,10,20,.9);display:none;align-items:center;justify-content:center;padding:20px 64px 64px}
.eb-lb.on{display:flex}
.eb-lb img{max-width:min(100%,820px);max-height:100%;border-radius:8px;background:#fff;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.eb-lb button{position:absolute;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:#fff;width:44px;height:44px;border-radius:50%;font-size:20px;line-height:1;cursor:pointer;display:grid;place-items:center}
.eb-lb button:hover{background:rgba(255,255,255,.22)}
.eb-lb .x{top:16px;right:16px}.eb-lb .p{left:12px;top:50%;transform:translateY(-50%)}.eb-lb .n{right:12px;top:50%;transform:translateY(-50%)}
.eb-lb .c{position:absolute;left:0;right:0;bottom:18px;text-align:center;color:#dfe7f5;font-size:13.5px;padding:0 20px}
.eb-toc{display:grid;gap:8px}
.eb-part{font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:18px 0 4px}
.eb-part:first-child{margin-top:0}
.eb-ch{border:1px solid var(--line);border-radius:12px;background:var(--paper);overflow:hidden}
.eb-ch summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:46px minmax(0,1fr) auto 18px;gap:14px;align-items:center;padding:15px 18px}
.eb-ch summary::-webkit-details-marker{display:none}
.eb-ch summary:hover{background:var(--paper-2)}
.eb-ch .n{font-family:var(--f-mono,ui-monospace,monospace);font-size:13px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:8px;height:34px;display:grid;place-items:center}
.eb-ch .t{font-size:16px;font-weight:700;color:var(--ink);line-height:1.3}
.eb-ch .s{display:block;font-size:13.5px;font-weight:400;color:var(--muted);line-height:1.45;margin-top:2px}
.eb-ch .p{font-family:var(--f-mono,ui-monospace,monospace);font-size:12px;color:var(--muted);white-space:nowrap}
.eb-ch .ar{width:9px;height:9px;border-right:2px solid var(--muted-2);border-bottom:2px solid var(--muted-2);transform:rotate(45deg);transition:transform .2s;margin-top:-4px}
.eb-ch[open] .ar{transform:rotate(-135deg);margin-top:4px}
.eb-ch .in{padding:2px 18px 16px 78px}
.eb-ch .in ul{list-style:none;margin:0 0 12px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px 24px}
.eb-ch .in li{font-size:13.5px;color:var(--ink-2);line-height:1.45;padding-left:14px;position:relative}
.eb-ch .in li::before{content:"";position:absolute;left:0;top:.55em;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.eb-ch .in a{font-size:13.5px;font-weight:600;color:var(--accent);text-decoration:none}
.eb-ch .in a:hover{text-decoration:underline}
.eb-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.eb-card{border:1px solid var(--line);border-radius:var(--r-lg,14px);background:var(--paper);padding:22px}
.eb-card h3{font-size:16.5px;font-weight:700;color:var(--ink);margin:0 0 6px;letter-spacing:-.01em}
.eb-card p{font-size:14.5px;line-height:1.55;color:var(--ink-3);margin:0}
.eb-card .ic{width:38px;height:38px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:14px}
.eb-tw{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--paper)}
.eb-tw table{width:100%;border-collapse:collapse;font-size:14px;min-width:620px}
.eb-tw th{text-align:left;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--paper-2);padding:11px 14px;border-bottom:1px solid var(--line)}
.eb-tw td{padding:11px 14px;border-bottom:1px solid var(--line-2,var(--line));color:var(--ink-2);vertical-align:top}
.eb-tw tr:last-child td{border-bottom:0}
.eb-tw td:first-child a{font-weight:700;color:var(--ink);text-decoration:none}
.eb-tw td:first-child a:hover{color:var(--accent)}
.eb-tw .mono{font-family:var(--f-mono,ui-monospace,monospace);font-size:13px;white-space:nowrap}
.eb-note{font-size:12.5px;color:var(--muted);margin:10px 0 0;line-height:1.5}
.eb-faq{display:grid;gap:8px;max-width:820px}
.eb-faq details{border:1px solid var(--line);border-radius:12px;background:var(--paper);padding:0 18px}
.eb-faq summary{cursor:pointer;font-size:15.5px;font-weight:700;color:var(--ink);padding:15px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}
.eb-faq summary::-webkit-details-marker{display:none}
.eb-faq summary::after{content:"+";font-weight:500;color:var(--muted);font-size:20px;line-height:1}
.eb-faq details[open] summary::after{content:"–"}
.eb-faq p{margin:0 0 16px;font-size:15px;line-height:1.65;color:var(--ink-3)}
.eb-band{margin:54px 0 64px;border-radius:20px;padding:40px;color:#fff;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;background:radial-gradient(90% 140% at 100% 0%,color-mix(in srgb,var(--eb-a,#1e60d6) 60%,#0a1226),transparent 62%),#0a1226}
.eb-band h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.03em;margin:0 0 8px;color:#fff}
.eb-band p{margin:0;font-size:15.5px;line-height:1.55;color:#c9d5ea;max-width:56ch}
.eb-band .eb-cta{margin:0}
.eb-band .pl-btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);color:#fff}
.eb-books{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.eb-book{display:grid;grid-template-columns:132px minmax(0,1fr);gap:20px;border:1px solid var(--line);border-radius:var(--r-lg,14px);background:var(--paper);padding:20px;text-decoration:none;color:inherit;transition:border-color .15s,transform .15s,box-shadow .15s}
.eb-book:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));transform:translateY(-2px);box-shadow:0 14px 30px -20px rgba(8,16,40,.4)}
.eb-book img{width:132px;height:auto;aspect-ratio:8.5/11;border-radius:4px 8px 8px 4px;box-shadow:8px 10px 22px -10px rgba(8,16,40,.5);background:#0a1226}
.eb-book h3{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);margin:6px 0 6px;line-height:1.2}
.eb-book p{font-size:14px;line-height:1.55;color:var(--ink-3);margin:0 0 10px}
.eb-book .m{font-size:12.5px;color:var(--muted)}
.eb-book .go{display:inline-block;margin-top:10px;font-size:14px;font-weight:700;color:var(--accent)}
.eb-feat{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:40px;align-items:center;border:1px solid var(--line);border-radius:22px;background:linear-gradient(135deg,var(--paper) 0%,var(--paper-2) 100%);padding:34px 40px}
.eb-feat .eb-cover a{width:min(300px,80%)}
.eb-feat h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;letter-spacing:-.03em;color:var(--ink);margin:0 0 10px;line-height:1.08}
/* reader */
.eb-read{display:grid;grid-template-columns:270px minmax(0,1fr);gap:44px;align-items:start;padding:28px 0 64px}
.eb-side{position:sticky;top:84px;max-height:calc(100vh - 100px);overflow:auto;border:1px solid var(--line);border-radius:14px;background:var(--paper);padding:16px}
.eb-side .bt{display:grid;grid-template-columns:54px minmax(0,1fr);gap:12px;align-items:center;text-decoration:none;margin-bottom:12px}
.eb-side .bt img{width:54px;height:auto;aspect-ratio:8.5/11;border-radius:3px 5px 5px 3px;background:#0a1226}
.eb-side .bt b{display:block;font-size:14.5px;font-weight:800;color:var(--ink);line-height:1.25;letter-spacing:-.01em}
.eb-side .bt span{font-size:12px;color:var(--muted)}
.eb-side .pl-btn{width:100%;justify-content:center;display:flex;gap:8px;margin-bottom:12px}
.eb-side nav{display:grid;gap:1px;border-top:1px solid var(--line);padding-top:10px}
.eb-side nav a{display:grid;grid-template-columns:26px minmax(0,1fr);gap:6px;padding:7px 8px;border-radius:8px;font-size:13.5px;line-height:1.35;color:var(--ink-3);text-decoration:none}
.eb-side nav a i{font-style:normal;font-family:var(--f-mono,ui-monospace,monospace);font-size:11.5px;color:var(--muted-2);padding-top:1px}
.eb-side nav a:hover{background:var(--paper-2);color:var(--ink)}
.eb-side nav a.on{background:var(--accent-soft);color:var(--accent-ink);font-weight:700}
.eb-side nav a.on i{color:var(--accent)}
.eb-side summary{display:none}
.eb-main{min-width:0;max-width:780px}
.eb-chero{border-radius:18px;padding:30px 32px 28px;color:#fff;position:relative;overflow:hidden;margin:0 0 30px;background:radial-gradient(110% 130% at 100% 0%,color-mix(in srgb,var(--eb-a,#1e60d6) 55%,#0a1226),transparent 62%),#0a1226}
.eb-chero .num{position:absolute;right:18px;top:-22px;font-size:150px;line-height:1;font-weight:800;letter-spacing:-.06em;color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.15);pointer-events:none}
.eb-chero .k{font-size:11.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:#9dbcf7;margin:0 0 10px;position:relative}
.eb-chero h1{font-size:clamp(28px,4vw,40px);line-height:1.06;font-weight:800;letter-spacing:-.035em;margin:0 0 12px;color:#fff;max-width:17ch;position:relative}
.eb-chero p.s{font-size:16.5px;line-height:1.5;color:#c9d5ea;margin:0;max-width:52ch;position:relative}
.eb-chero ul{list-style:none;margin:18px 0 0;padding:16px 0 0;border-top:1px solid rgba(255,255,255,.18);display:grid;grid-template-columns:1fr 1fr;gap:6px 24px;position:relative}
.eb-chero li{font-size:13.5px;color:#dfe7f5;padding-left:16px;position:relative;line-height:1.4}
.eb-chero li::before{content:"";position:absolute;left:0;top:.5em;width:6px;height:6px;border-radius:50%;background:#7fa8f5}
.eb-chero .rm{position:relative;margin:16px 0 0;font-size:12.5px;color:#aebbd4}
.eb-pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:38px 0 0}
.eb-pn a{border:1px solid var(--line);border-radius:14px;background:var(--paper);padding:16px 18px;text-decoration:none;display:block}
.eb-pn a:hover{border-color:var(--accent)}
.eb-pn a.nx{text-align:right}
.eb-pn small{display:block;font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.eb-pn b{font-size:15.5px;color:var(--ink);line-height:1.3}
.eb-getpdf{margin:22px 0 0;border:1px dashed color-mix(in srgb,var(--accent) 40%,var(--line));border-radius:14px;background:var(--accent-soft);padding:18px 20px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.eb-getpdf p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.5;max-width:46ch}
/* web mapping for book components */
.eb-main .bk{--bk-ink:var(--ink);--bk-ink2:var(--ink-2);--bk-muted:var(--muted);--bk-muted2:var(--muted-2);--bk-line:var(--line);--bk-paper:var(--paper);--bk-paper2:var(--paper-2);--bk-accent:var(--accent);--bk-accent2:var(--accent-2,#4f86e8);--bk-accent-soft:var(--accent-soft);--bk-accent-ink:var(--accent-ink);--bk-sans:var(--f,'Inter',system-ui,sans-serif);--bk-mono:var(--f-mono,ui-monospace,monospace);font-size:16.5px;line-height:1.7}
html[data-theme="dark"] .eb-main .bk{--bk-good:#34d399;--bk-good-soft:#06281d;--bk-warn:#fbbf24;--bk-warn-soft:#2a1d05;--bk-slate-soft:#151d2e;--bk-box:#141d31;--bk-code:#0b111e}
html[data-theme="dark"] .eb-main .bk .note-t::before{color:#0a0f1a}
html[data-theme="dark"] .eb-main .bk .takeaways{border:1px solid var(--line)}
.eb-main .bk figure.tbl{overflow-x:auto}
.eb-main .bk figure.code pre{white-space:pre;overflow-x:auto}
@media(max-width:1020px){.eb-read{grid-template-columns:1fr;gap:18px}.eb-side{position:static;max-height:none;padding:0;overflow:visible}.eb-side details{padding:12px 14px}.eb-side summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-size:14px;font-weight:700;color:var(--ink);list-style:none}.eb-side summary::-webkit-details-marker{display:none}.eb-side summary::after{content:"Chapters ▾";font-weight:600;color:var(--accent);font-size:13px}.eb-side details[open] summary{margin-bottom:12px}.eb-side .bt{display:none}.eb-main{max-width:none}}
@media(max-width:900px){.eb-hero-grid,.eb-two,.eb-feat{grid-template-columns:1fr;gap:28px}.eb-hero-grid .eb-cover{order:-1}.eb-cover a{width:min(250px,62%)}.eb-stats{grid-template-columns:repeat(3,1fr)}.eb-stats div:nth-child(4){border-left:0}.eb-stats div:nth-child(n+4){border-top:1px solid var(--line)}.eb-gal{grid-template-columns:repeat(2,1fr)}.eb-cards{grid-template-columns:1fr}.eb-books{grid-template-columns:1fr}.eb-band{grid-template-columns:1fr;padding:28px 24px}.eb-feat{padding:26px 22px}}
@media(max-width:640px){.eb-ch summary{grid-template-columns:38px minmax(0,1fr) 16px;gap:10px;padding:13px 14px}.eb-ch .p{display:none}.eb-ch .in{padding:0 14px 14px}.eb-ch .in ul{grid-template-columns:1fr}.eb-book{grid-template-columns:92px minmax(0,1fr);gap:14px;padding:16px}.eb-book img{width:92px}.eb-lb{padding:16px 10px 70px}.eb-lb .p,.eb-lb .n{top:auto;bottom:14px;transform:none}.eb-lb .p{left:16px}.eb-lb .n{right:16px}.eb-lb .c{bottom:74px}
.eb-chero{padding:24px 20px 22px;border-radius:14px}.eb-chero ul{grid-template-columns:1fr}.eb-chero .num{font-size:110px}.eb-pn{grid-template-columns:1fr}.eb-pn a.nx{text-align:left}
.eb-main .bk{font-size:16px}.eb-main .bk .flow{flex-direction:column}.eb-main .bk .flow .hop{flex:0 0 auto;flex-direction:row;gap:.6em;padding:.35em 0;font-size:.74em}.eb-main .bk .flow .hop::after{width:.9em;height:1.9em;background:linear-gradient(var(--bk-accent),var(--bk-accent)) center top/1.5px calc(100% - .5em) no-repeat,url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 8'%3E%3Cpath d='M0 0h10L5 8z' fill='%231e60d6'/%3E%3C/svg%3E") center bottom/.78em .62em no-repeat}
.eb-main .bk .cards.c2,.eb-main .bk .cards.c3{grid-template-columns:1fr}.eb-main .bk .bar{grid-template-columns:6.2em 1fr;row-gap:.15em}.eb-main .bk .bar-v{grid-column:1/-1}.eb-main .bk .layer{grid-template-columns:1fr;gap:.2em}.eb-main .bk figure.tbl table{min-width:520px}.eb-main .bk blockquote.pull{font-size:1.25em}}