/**
 * Branded reader ([et_reader]) — the in-brand reading surface for a work's
 * ingested public-domain text. Palette follows the site brand (teal + terracotta).
 * The reading surface is user-tunable via --etr-* custom properties set by the
 * preferences panel (size, typeface, line width, reading theme); site chrome
 * (the theme's header/footer) is untouched.
 */

.etr{
	/* Brand base tokens (used by the "Paper" reading theme + chrome). */
	--etr-ground:#f3f5f4; --etr-paper:#fbfcfb;
	--etr-ink:#232826; --etr-ink-soft:#4c5551; --etr-muted:#6e7873;
	--etr-rule:#dde2df; --etr-rule-soft:#e8ebe8;
	--etr-teal:#234e58; --etr-teal-bright:#2f6673; --etr-terra:#cf6a45; --etr-terra-deep:#b0552f;
	--etr-good-bg:#e7f0ec; --etr-good-ink:#2c6a55;

	/* Reader-adjustable (defaults; overridden inline by the prefs JS). */
	--etr-scale:1; --etr-measure:720px;
	--etr-family:"Newsreader", Georgia, "Times New Roman", serif;
	--etr-bg:var(--etr-ground); --etr-fg:var(--etr-ink);
	--etr-fg-soft:var(--etr-ink-soft); --etr-accent:var(--etr-terra); --etr-accent2:var(--etr-teal);

	background:var(--etr-bg); color:var(--etr-fg);
	transition:background .2s ease, color .2s ease;
	margin:0 auto;
}

.etr *{box-sizing:border-box}
.etr .etr-wrap{max-width:var(--etr-measure);margin:0 auto;padding:0 1.4rem;transition:max-width .2s ease}

/* control bar */
.etr-bar{position:sticky;top:0;z-index:6;background:var(--etr-bg);border-bottom:1px solid var(--etr-rule-soft)}
.etr-bar-in{max-width:var(--etr-measure);margin:0 auto;padding:.5rem 1.4rem;display:flex;justify-content:flex-end;position:relative}
.etr-aa{font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:.82rem;font-weight:600;color:var(--etr-fg-soft);background:transparent;border:1px solid var(--etr-rule);border-radius:8px;padding:.35rem .7rem;cursor:pointer;display:inline-flex;align-items:center;gap:.4rem;line-height:1.2}
.etr-aa:hover{border-color:var(--etr-accent2);color:var(--etr-accent2)}
.etr-aa b{font-size:1.05rem;line-height:1}

/* preferences popover */
.etr-panel{position:absolute;right:1.4rem;top:100%;margin-top:.4rem;width:min(320px,88vw);background:var(--etr-paper);color:var(--etr-ink);border:1px solid var(--etr-rule);border-radius:14px;box-shadow:0 12px 34px rgba(20,30,28,.16);padding:1rem 1.1rem 1.15rem;font-family:"IBM Plex Sans",system-ui,sans-serif;z-index:30}
.etr-panel[hidden]{display:none}
.etr-panel h3{font-size:.7rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--etr-muted);margin:0 0 .5rem}
.etr-grp+.etr-grp{margin-top:1rem}
.etr-seg{display:flex;gap:.35rem;flex-wrap:wrap}
.etr-seg button{flex:1;min-width:0;font-family:inherit;font-size:.82rem;font-weight:500;color:var(--etr-ink-soft);background:var(--etr-ground);border:1px solid var(--etr-rule);border-radius:8px;padding:.5rem .3rem;cursor:pointer;white-space:nowrap}
.etr-seg button[aria-pressed="true"]{background:var(--etr-teal-bright);border-color:var(--etr-teal-bright);color:#fff}
.etr-size{display:flex;align-items:center;gap:.5rem}
.etr-size button{width:2.6rem;height:2.4rem;font-family:inherit;font-weight:600;background:var(--etr-ground);border:1px solid var(--etr-rule);border-radius:8px;cursor:pointer;color:var(--etr-ink)}
.etr-a-sm{font-size:.85rem}.etr-a-lg{font-size:1.25rem}
.etr-val{flex:1;text-align:center;font-size:.85rem;color:var(--etr-muted);font-variant-numeric:tabular-nums}
.etr-sw{display:flex;gap:.5rem}
.etr-sw button{flex:1;height:2.9rem;border-radius:9px;border:2px solid var(--etr-rule);cursor:pointer;font-family:var(--etr-family);font-size:1rem;display:flex;align-items:center;justify-content:center}
.etr-sw button[aria-pressed="true"]{border-color:var(--etr-teal-bright);box-shadow:0 0 0 2px rgba(47,102,115,.25)}
.etr-reset{margin-top:.9rem;font-family:inherit;font-size:.78rem;color:var(--etr-muted);background:none;border:none;cursor:pointer;text-decoration:underline;padding:0}

/* header */
.etr-head{padding:2rem 0 1.4rem;border-bottom:1px solid var(--etr-rule-soft)}
.etr-badge{font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;display:inline-block;color:var(--etr-good-ink);background:var(--etr-good-bg);padding:.28rem .6rem;border-radius:999px}
.etr-title{font-family:var(--etr-family);font-weight:600;font-size:calc(clamp(1.9rem,5vw,2.8rem) * var(--etr-scale));line-height:1.08;margin:1rem 0 .2rem;text-wrap:balance;letter-spacing:-.01em;color:var(--etr-fg)}
.etr-sub{font-family:var(--etr-family);font-style:italic;font-size:calc(1.12rem * var(--etr-scale));color:var(--etr-fg-soft);margin:.1rem 0 1rem}
.etr-meta{font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:.92rem;color:var(--etr-muted);display:flex;flex-wrap:wrap;gap:.4rem 1.1rem}
.etr-meta strong{color:var(--etr-fg);font-weight:500}

/* Edition lede — a short "about this edition" note under the header */
.etr-editions{margin:1.1rem 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-family:"IBM Plex Sans",system-ui,sans-serif}
.etr-editions-label{font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--etr-muted);margin-right:.15rem}
.etr-ed-btn{display:inline-flex;align-items:baseline;gap:.35rem;padding:.32rem .7rem;border:1px solid var(--etr-rule);border-radius:999px;font-size:.86rem;color:var(--etr-fg-soft);text-decoration:none;transition:border-color .15s,color .15s}
.etr-ed-btn span{font-size:.76rem;color:var(--etr-muted)}
a.etr-ed-btn:hover{border-color:var(--etr-accent);color:var(--etr-fg)}
.etr-ed-btn.is-current{background:var(--etr-accent2);border-color:var(--etr-accent2);color:#fff;font-weight:500}
.etr-ed-btn.is-current span{color:rgba(255,255,255,.8)}
.etr-edition{margin:1.4rem 0 0;padding:0 0 0 1.05rem;border-left:3px solid var(--etr-rule)}
.etr-edition-label{display:block;font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--etr-accent2);margin-bottom:.3rem}
.etr-edition p{margin:0;font-family:var(--etr-family);font-size:calc(1.02rem * var(--etr-scale));line-height:1.6;color:var(--etr-fg-soft)}

/* OCR crowdsourced-proofing notice */
.etr-ocr-notice{margin:1.5rem 0 0;padding:1rem 1.15rem;border:1px solid #e2b661;border-left:4px solid #cf8a2e;border-radius:10px;background:#fbf3e2;color:#4a3a1c;font-family:"IBM Plex Sans",system-ui,sans-serif}
.etr-ocr-head{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-bottom:.4rem}
.etr-ocr-head strong{font-size:.96rem;color:#5a4620}
.etr-ocr-badge{flex:none;font-size:.66rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#fff;background:#cf8a2e;padding:.22rem .5rem;border-radius:999px}
.etr-ocr-notice p{margin:.2rem 0 0;font-size:.86rem;line-height:1.6}
.etr-ocr-notice a{color:#9a5b12;font-weight:600}

/* table of contents */
.etr-toc{margin:1.4rem 0 0;font-family:"IBM Plex Sans",system-ui,sans-serif}
.etr-toc summary{cursor:pointer;font-size:.82rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--etr-accent2)}
.etr-toc ul{margin:.7rem 0 0;padding-left:1.1rem;columns:2;column-gap:2rem}
.etr-toc li{margin:.15rem 0;font-size:.9rem}
.etr-toc a{color:var(--etr-fg-soft);text-decoration:none}
.etr-toc a:hover{color:var(--etr-accent2);text-decoration:underline}
@media (max-width:560px){.etr-toc ul{columns:1}}

/* reading body */
.etr-body{padding:2rem 0 1rem;font-family:var(--etr-family)}
.etr-body .etr-h{font-family:var(--etr-family);font-weight:500;font-size:calc(1.5rem * var(--etr-scale));line-height:1.25;margin:2.2rem 0 1rem;color:var(--etr-accent2);text-wrap:balance;scroll-margin-top:4rem}
.etr-body .etr-h:first-child{margin-top:0}
.etr-body .etr-p{margin:0 0 1.3rem;font-size:calc(1.16rem * var(--etr-scale));line-height:1.7;color:var(--etr-fg)}
.etr-body blockquote{margin:0 0 1.3rem;padding-left:1.1rem;border-left:3px solid var(--etr-rule);color:var(--etr-fg-soft);font-style:italic}
.etr-body .etr-p:first-of-type::first-letter{font-size:3.2em;line-height:.82;float:left;padding:.26rem .5rem 0 0;color:var(--etr-accent);font-weight:600}

/* colophon */
.etr-colophon{font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:.86rem;color:var(--etr-muted);border-top:1px solid var(--etr-rule-soft);margin-top:1.6rem;padding:1.4rem 0;line-height:1.6}
.etr-colophon strong{color:var(--etr-fg-soft);font-weight:500}
.etr-colophon a{color:var(--etr-accent2)}

/* corner-bookstore doors (always brand ground, independent of reading theme) */
.etr-also{background:var(--etr-paper);border-top:1px solid var(--etr-rule);color:var(--etr-ink)}
.etr-also-in{max-width:var(--etr-measure);margin:0 auto;padding:2rem 1.4rem 2.6rem}
.etr-also h2{font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--etr-muted);margin:0 0 1.1rem}
.etr-doors{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.75rem}
.etr-door{display:flex;flex-direction:column;gap:.3rem;padding:.85rem .95rem;border:1px solid var(--etr-rule);border-radius:10px;background:var(--etr-ground);text-decoration:none;color:inherit}
.etr-door:hover{border-color:var(--etr-teal-bright)}
.etr-door .etr-k{font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:.68rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;display:flex;align-items:center;gap:.4rem}
.etr-door .etr-h{font-family:var(--etr-family);font-size:1.02rem;color:var(--etr-ink);font-weight:500}
.etr-door .etr-s{font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:.8rem;color:var(--etr-muted)}
.etr-k-ext{color:var(--etr-teal-bright)} .etr-k-audio{color:var(--etr-terra-deep)} .etr-k-buy{color:var(--etr-terra-deep)}
.etr-door.etr-print{border-color:var(--etr-terra)}

/* The reader has its OWN theme picker (Paper / Sepia / Slate / Night), so it
   deliberately does NOT follow the OS colour scheme — otherwise "Paper" would
   inherit system dark on a dark-mode machine. Night is the dark choice. */

@media (prefers-reduced-motion:reduce){
	.etr,.etr-wrap{transition:none}
}