:root{--bg:#faf7f0;--ink:#2b2620;--muted:#7a715f;--line:#e6dfd0;--accent:#8a5a2b;
--card:#ffffff;--wash:#f3eee1}
@media (prefers-color-scheme:dark){:root{--bg:#191511;--ink:#e8e0d0;--muted:#9a8f7a;
--line:#31291f;--accent:#d09a5b;--card:#211c15;--wash:#211c15}}
*{box-sizing:border-box;margin:0}
body{background:var(--bg);color:var(--ink);font:17px/1.65 -apple-system,'Sukhumvit Set',
'Noto Sans Thai',Thonburi,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
main{max-width:44rem;margin:0 auto;padding:2.5rem 1.25rem 5rem}
h1,h2,h3{font-family:Georgia,'Noto Serif Thai',serif;font-weight:500;line-height:1.25}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.eyebrow{font-size:.72rem;letter-spacing:.17em;text-transform:uppercase;color:var(--muted)}
.top{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;
padding-bottom:1.5rem;border-bottom:1px solid var(--line);margin-bottom:2rem}
.top .brand{font-family:Georgia,serif;font-size:1.05rem;color:var(--ink)}
.top nav{display:flex;gap:1rem;font-size:.85rem}
.hero h1{font-size:2.1rem;margin:.4rem 0 1rem}
.hero p{color:var(--muted);max-width:36rem}
.wip{margin:1.6rem 0 .4rem;padding:1rem 1.2rem;background:var(--wash);border:1px solid var(--line);
border-left:3px solid var(--accent);border-radius:.6rem}
.wip-tag{display:inline-block;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
font-weight:600;color:var(--accent);margin-bottom:.4rem}
.wip p{margin:0;font-size:.95rem;line-height:1.6;color:var(--ink);max-width:60rem}
.wip a{color:var(--accent)}
/* language switch — Thai default; toggle remembers choice */
[data-lang="th"] .only-en{display:none}
[data-lang="en"] .only-th{display:none}
.langtoggle{font:inherit;font-size:.78rem;padding:.22rem .7rem;border:1px solid var(--line);
border-radius:2rem;background:var(--card);color:var(--muted);cursor:pointer;vertical-align:middle}
.langtoggle:hover{border-color:var(--accent);color:var(--ink)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:.8rem;margin:2rem 0}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:.7rem;
padding:1rem 1.1rem;color:var(--ink)}
.card:hover{border-color:var(--accent);text-decoration:none}
.card b{display:block;font-family:Georgia,serif;font-weight:500;margin-bottom:.25rem}
.card span{font-size:.85rem;color:var(--muted)}
.stats{display:flex;gap:2.2rem;margin:1.8rem 0;flex-wrap:wrap}
.stats div b{display:block;font-family:Georgia,serif;font-size:1.7rem;font-weight:500}
.stats div span{font-size:.8rem;color:var(--muted)}
section{margin-top:3rem}
section>h2{font-size:1.25rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid var(--line)}
.books{display:grid;grid-template-columns:repeat(auto-fill,minmax(11.5rem,1fr));gap:.45rem}
.books a{display:block;padding:.5rem .7rem;border-radius:.5rem;color:var(--ink);line-height:1.35}
.books a:hover{background:var(--wash);text-decoration:none}
.books a em{display:block;font-style:normal;font-size:.72rem;color:var(--muted)}
.chapters{display:grid;grid-template-columns:repeat(auto-fill,minmax(3.2rem,1fr));gap:.4rem;margin-top:1.4rem}
.chapters a{display:block;text-align:center;padding:.55rem 0;border:1px solid var(--line);
border-radius:.5rem;color:var(--ink);font-variant-numeric:tabular-nums}
.chapters a:hover{border-color:var(--accent);text-decoration:none}

/* chapter toolbar */
.toolbar{display:flex;gap:.5rem;align-items:center;margin:1.2rem 0 1.8rem;flex-wrap:wrap}
.toolbar button{font:inherit;font-size:.82rem;padding:.42rem .85rem;border-radius:2rem;
border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer}
.toolbar button:hover{border-color:var(--accent)}
.toolbar button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.toolbar .present-btn{margin-left:auto;background:var(--accent);border-color:var(--accent);color:#fff}

/* reading flow — continuous prose with superscript numbers */
.prose{font-size:1.24rem;line-height:2.05}
.prose .prose-p{margin:0 0 1.15rem}
.prose .poetry{margin:.1rem 0 .1rem;padding-left:1.6rem;line-height:1.9;display:block}
.prose .poetry.q2{padding-left:3rem}
.prose .poetry.li1{padding-left:1.6rem}
.prose .poetry.li2{padding-left:3rem}
.prose .inscription{margin:.6rem 0;padding-left:1.6rem;font-style:italic}
.section-heading{font-family:Georgia,'Noto Serif Thai',serif;font-weight:600;line-height:1.3;
margin:2.2rem 0 .9rem}
h2.section-heading{font-size:1.35rem}
h3.section-heading{font-size:1.08rem;color:var(--muted);font-weight:500}
.section-heading.italic{font-style:italic}
.section-heading .heading-en{display:block;font-family:-apple-system,system-ui,sans-serif;
font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
font-weight:500;margin-top:.25rem}
.book-divider{text-align:center;font-family:Georgia,serif;font-size:.8rem;letter-spacing:.2em;
text-transform:uppercase;color:var(--accent);margin:2.6rem 0 1.4rem;
padding-bottom:.7rem;border-bottom:1px solid var(--line)}
.acrostic{font-family:Georgia,serif;font-size:1.4rem;color:var(--accent);margin:1.6rem 0 .6rem}
.acrostic span{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
font-family:-apple-system,system-ui,sans-serif;vertical-align:middle;margin-left:.4rem}
.superscription{font-style:italic;color:var(--muted);font-size:.96rem;line-height:1.6;
margin:0 0 1.2rem;text-align:center}
.selah{float:right;font-style:italic;color:var(--muted);font-size:.8em}
.prose .vn{font-size:.62em;color:var(--accent);vertical-align:super;margin:0 .3em 0 .55em;
font-variant-numeric:tabular-nums;user-select:none}
.prose .v:first-child .vn{margin-left:0}

/* study view — verse per line + notes */
.verse{margin:.85rem 0;line-height:1.9}
.verse .vn{font-size:.7rem;color:var(--accent);vertical-align:super;margin-right:.35rem;
font-variant-numeric:tabular-nums}
.context{margin:1.1rem 0;padding:.7rem .95rem;background:var(--wash);border-radius:.55rem;
font-size:.86rem;color:var(--muted)}
.pager{display:flex;justify-content:space-between;gap:1rem;margin-top:2.8rem;
padding-top:1.4rem;border-top:1px solid var(--line);font-size:.9rem}
footer{margin-top:4rem;padding-top:1.4rem;border-top:1px solid var(--line);
font-size:.8rem;color:var(--muted)}
footer a{color:var(--muted);text-decoration:underline}
.note{font-size:.85rem;color:var(--muted)}
ul.plain{list-style:none;padding:0}
ul.plain li{margin:.45rem 0}
[hidden]{display:none !important}

/* ── presenter (control) + audience (second screen) ── */
.present-ctrl{position:fixed;inset:0;background:var(--bg);color:var(--ink);z-index:60;
display:flex;flex-direction:column;padding:.9rem 1.1rem 1.1rem;overflow:hidden}
.pc-bar{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;
padding-bottom:.7rem;border-bottom:1px solid var(--line);flex:0 0 auto}
.pc-title{font-family:Georgia,serif;font-size:1rem}
.pc-actions{display:flex;gap:.5rem}
.pc-actions button,.pc-controls>button{font:inherit;font-size:.85rem;padding:.45rem .9rem;border-radius:2rem;
border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer}
.pc-actions button:hover,.pc-controls>button:hover{border-color:var(--accent)}
.pc-primary{background:var(--accent)!important;border-color:var(--accent)!important;color:#fff!important}
.pc-remote{margin:.7rem 0 0;padding:.6rem .9rem;background:var(--wash);border-radius:.6rem;
font-size:.9rem;color:var(--muted);text-align:center;flex:0 0 auto}
.pc-code{font-family:Georgia,serif;font-size:1.15rem;letter-spacing:.22em;color:var(--accent);font-weight:600;margin:0 .2em}
.pc-look{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;margin:.7rem 0 0;flex:0 0 auto}
.pc-look-lbl{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.pc-seg{display:inline-flex;border:1px solid var(--line);border-radius:2rem;overflow:hidden}
.pc-seg button{font:inherit;font-size:.8rem;padding:.35rem .8rem;border:none;background:var(--card);color:var(--muted);cursor:pointer}
.pc-seg button.on{background:var(--accent);color:#fff}
.pc-stage{flex:0 0 auto;border-radius:.7rem;margin:.8rem 0;padding:1.4rem 1.6rem;min-height:24vh;
display:flex;flex-direction:column;justify-content:center;transition:background .25s}
.pc-ref{text-align:center;font-size:.92rem;margin-bottom:.9rem;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.pc-preview{font-size:clamp(1.2rem,2.4vw,1.9rem);line-height:1.6;text-align:center;font-weight:500}
.pc-preview .pvn{font-size:.55em;vertical-align:super;margin:0 .3em 0 .5em}
.pc-controls{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex:0 0 auto}
.pc-span{font-size:.85rem;color:var(--muted);display:flex;align-items:center;gap:.55rem}
.pc-span b{min-width:1.3em;text-align:center;color:var(--ink);font-size:1.05rem}
.pc-span button{width:2rem;height:2rem;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:1.1rem;cursor:pointer;line-height:1}
.pc-hint{font-size:.78rem;color:var(--muted);margin:.6rem 0;text-align:center;flex:0 0 auto}
.pc-list{flex:1 1 auto;overflow-y:auto;border-top:1px solid var(--line);padding-top:.5rem;display:flex;flex-direction:column;gap:.1rem}
.pc-vitem{display:flex;gap:.6rem;align-items:baseline;text-align:left;font:inherit;font-size:1rem;line-height:1.5;
padding:.5rem .7rem;border:none;background:none;color:var(--ink);cursor:pointer;border-radius:.5rem;width:100%}
.pc-vitem:hover{background:var(--wash)}
.pc-vitem.on{background:var(--accent);color:#fff}
.pc-vn{flex:0 0 auto;min-width:1.8em;color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600}
.pc-vitem.on .pc-vn{color:#fff}
.pc-vt{flex:1 1 auto;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* audience — reference on top, brand bottom-left, hint fades when idle */
.present-audience{position:fixed;inset:0;background:#0e0c09;color:#f3ead8;z-index:50;
display:flex;flex-direction:column;user-select:none;transition:background .3s}
.present-audience .aud-ref{flex:0 0 auto;text-align:center;padding:2.6vh 4vw 0;
font-size:clamp(1rem,2vw,1.5rem);font-variant-numeric:tabular-nums;letter-spacing:.03em;
font-family:-apple-system,system-ui,sans-serif}
.present-audience .aud-slide{flex:1 1 auto;display:flex;align-items:center;justify-content:center;padding:2vh 7vw;overflow:hidden}
.present-audience .aud-body{font-weight:500;line-height:1.65;max-width:66ch;text-align:center;transition:opacity .3s ease}
.present-audience .aud-body.fade{opacity:0}
.present-audience .aud-body .pvn{font-size:.5em;vertical-align:super;margin:0 .3em 0 .5em}
.present-audience .aud-brand{position:absolute;left:2.2vw;bottom:2vh;font-size:clamp(.7rem,1.2vw,.95rem);
color:currentColor;opacity:.38;letter-spacing:.04em;font-family:-apple-system,system-ui,sans-serif}
.present-audience .aud-hint{position:absolute;bottom:2vh;left:0;right:0;text-align:center;font-size:.85rem;opacity:.5;transition:opacity .5s}
.present-audience.idle .aud-hint{opacity:0}
body.receiver{background:#0e0c09}