: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}
.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 .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}

/* ── presentation mode ─────────────────────────────────────────────── */
.present-root{position:fixed;inset:0;background:#0e0c09;color:#f3ead8;z-index:50;
display:flex;flex-direction:column;user-select:none}
.present-root .slide{flex:1;display:flex;align-items:center;justify-content:center;
padding:4vh 7vw;text-align:center;overflow:hidden}
.present-root .slide .vtext{font-weight:500;line-height:1.75;max-width:62ch;
font-family:-apple-system,'Sukhumvit Set','Noto Sans Thai',Thonburi,system-ui,sans-serif}
.present-root .ref{display:flex;justify-content:space-between;align-items:center;
padding:1.1rem 1.6rem;font-size:clamp(.9rem,1.6vw,1.25rem);color:#b9a888;
font-variant-numeric:tabular-nums}
.present-root .hud{position:absolute;top:.9rem;right:1rem;display:flex;gap:.5rem;z-index:2}
.present-root .hud button{font:inherit;font-size:.8rem;padding:.4rem .8rem;border-radius:2rem;
border:1px solid #4a4132;background:rgba(255,255,255,.06);color:#e8e0d0;cursor:pointer}
.present-root .hud button:hover{border-color:#b9a888}
.present-root .zone{position:absolute;top:0;bottom:4rem;width:30%;cursor:pointer;z-index:1}
.present-root .zone.prev{left:0}
.present-root .zone.next{right:0}
.present-root .hint{position:absolute;bottom:4.6rem;left:0;right:0;text-align:center;
font-size:.8rem;color:#8a7c62;opacity:.85}
body.receiver{background:#0e0c09}