:root{--bg:#faf8f4;--panel:#fff;--ink:#1c1a17;--muted:#6b655c;--line:#e7e1d6;--accent:#8a5a2b;--accent-ink:#fff;--serif:Georgia, "Iowan Old Style", "Times New Roman", serif;--sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#16140f;--panel:#1e1b15;--ink:#ece7dd;--muted:#a59c8c;--line:#322d24;--accent:#d8a566;--accent-ink:#1a1710}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;line-height:1.6}a{color:inherit;text-decoration:none}.login{place-items:center;min-height:100dvh;padding:1.5rem;display:grid}.login-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;width:100%;max-width:360px;padding:2rem 1.75rem;box-shadow:0 10px 40px #0000000f}.login-card h1{font-family:var(--serif);margin:0 0 .25rem;font-size:1.7rem}.login-card .sub{color:var(--muted);margin:0 0 1.25rem;font-size:.9rem}.login-card input,.login-card button{border:1px solid var(--line);border-radius:9px;width:100%;padding:.7rem .85rem;font-size:1rem}.login-card input{background:var(--bg);color:var(--ink);margin-bottom:.75rem}.login-card input:focus{outline:2px solid var(--accent);outline-offset:1px}.login-card button{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);cursor:pointer;font-weight:600}.login-card button:disabled{opacity:.6;cursor:default}.login-card .err{color:#c0392b;margin:.75rem 0 0;font-size:.85rem}.shell{max-width:760px;margin:0 auto;padding:0 1.25rem 5rem}.topbar{border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:5;justify-content:space-between;align-items:center;margin-bottom:2rem;padding:1.1rem 0;display:flex;position:sticky;top:0}.brand{font-family:var(--serif);letter-spacing:.01em;font-size:1.1rem;font-weight:700}.logout{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:0 0;border-radius:8px;padding:.35rem .7rem;font-size:.8rem}.logout:hover{color:var(--ink)}.intro h1{font-family:var(--serif);margin:.5rem 0 .75rem;font-size:clamp(2.1rem,6vw,3rem);line-height:1.1}.intro .lede{max-width:60ch;font-size:1.12rem}.intro .stat{color:var(--accent);margin:.25rem 0 .5rem;font-size:.95rem;font-weight:600}.intro .note{color:var(--muted);max-width:60ch;font-size:.88rem;font-style:italic}.chapters{border-top:1px solid var(--line);margin:2.5rem 0 0;padding:0;list-style:none}.chapters li a{border-bottom:1px solid var(--line);grid-template-columns:2.2rem 1fr auto;align-items:baseline;gap:.9rem;padding:1rem .5rem;transition:background .12s;display:grid}.chapters li a:hover{background:color-mix(in srgb, var(--accent) 8%, transparent)}.cnum{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.85rem}.ctitle{font-family:var(--serif);font-size:1.05rem}.cdur{color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:.82rem}.chapter{padding-top:.5rem}.back{color:var(--muted);font-size:.85rem}.back:hover{color:var(--accent)}.chapter>h1{font-family:var(--serif);margin:.6rem 0 1.25rem;font-size:clamp(1.6rem,4.5vw,2.3rem);line-height:1.15}.audiobar{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:2.25rem;padding:.9rem 1rem}.audiobar audio{width:100%;display:block}.audiometa{color:var(--muted);justify-content:space-between;align-items:center;gap:1rem;margin-top:.65rem;font-size:.82rem;display:flex}.audiometa select{background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:.15rem .35rem;font-size:.82rem}.prose{font-family:var(--serif);font-size:1.12rem;line-height:1.78}.prose p{margin:0 0 1.25rem}.prose h2{margin:2.5rem 0 .9rem;font-size:1.45rem;line-height:1.25}.prose h3{margin:2rem 0 .7rem;font-size:1.18rem}.prose em{font-style:italic}.prose strong{font-weight:700}.prose blockquote{border-left:3px solid var(--accent);color:var(--muted);margin:1.5rem 0;padding:.2rem 0 .2rem 1.1rem;font-style:italic}.prose ul,.prose ol{margin:0 0 1.25rem;padding-left:1.4rem}.prose li{margin:.3rem 0}.prose a{color:var(--accent);text-underline-offset:2px;text-decoration:underline}.prose table{border-collapse:collapse;width:100%;font-family:var(--sans);margin:1.5rem 0;font-size:.92rem}.prose th,.prose td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:.5rem .65rem}.prose th{background:color-mix(in srgb, var(--accent) 10%, transparent)}.prose hr{border:none;border-top:1px solid var(--line);margin:2rem 0}.prose .footnotes{border-top:1px solid var(--line);font-family:var(--sans);color:var(--muted);margin-top:3rem;padding-top:1.5rem;font-size:.9rem}.prose sup{font-size:.7em}.chnav{border-top:1px solid var(--line);justify-content:space-between;gap:1rem;margin-top:3.5rem;padding-top:1.5rem;font-size:.9rem;display:flex}.chnav a{color:var(--accent);max-width:45%}.chnav a:hover{text-decoration:underline}