:root{--ink:#1f2328;--muted:#5d6670;--bg:#fbfaf7;--card:#fff;--line:#e4e0d6;--accent:#7a2e1f;--accent2:#2f5d62;--warn:#a15c00;--warnbg:#fff3dc;
--serif:"Noto Serif","Noto Serif SC",Georgia,serif;--gk:"Gentium Book Plus","Noto Serif",serif;--mono:"Noto Sans Mono",ui-monospace,monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--serif);font-size:17px;line-height:1.75}
html[lang=zh] body{line-height:1.9}
.gk{font-family:var(--gk);font-size:1.06em}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:1rem;padding:.6rem 1.2rem;background:#fff;border-bottom:1px solid var(--line)}
.brand{flex:1;font-weight:600;color:var(--accent)}.brand .gk{letter-spacing:.08em;margin-right:.5rem}
.brand [data-ui]{color:var(--muted);font-weight:400;font-size:.9em}
.lang-btn{border:1px solid var(--accent);background:#fff;color:var(--accent);border-radius:999px;padding:.3rem .9rem;font:inherit;font-size:.9rem;cursor:pointer}
.lang-btn:hover{background:var(--accent);color:#fff}
.menu-btn{display:none;background:none;border:0;font-size:1.4rem;cursor:pointer}
.layout{display:grid;grid-template-columns:260px minmax(0,1fr);max-width:1240px;margin:0 auto}
.sidebar{position:sticky;top:52px;align-self:start;height:calc(100vh - 52px);overflow:auto;padding:1.5rem 1rem;border-right:1px solid var(--line);font-size:.92rem}
.sidebar h3{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:1.2rem 0 .4rem}
.sidebar a{display:block;padding:.25rem .6rem;border-radius:6px;color:var(--ink);text-decoration:none}
.sidebar a:hover{background:#f1ede4}.sidebar a.active{background:#f4e7e3;color:var(--accent);font-weight:600}
.sidebar .chap{color:var(--muted)}.sidebar .chap.soon{opacity:.5}
.content{padding:2rem 3rem 5rem;max-width:880px}
h1{font-size:2rem;line-height:1.3;margin:.2rem 0;color:var(--accent)}
.subtitle{color:var(--muted);margin:0 0 2rem}
h2{font-size:1.4rem;border-bottom:2px solid var(--line);padding-bottom:.3rem;margin-top:3rem;scroll-margin-top:70px}
h4{margin:1.5rem 0 .3rem;color:var(--accent2)}
.verses{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1.2rem 1.4rem}
.verse{display:grid;grid-template-columns:2.2rem 1fr;gap:.4rem;padding:.7rem 0;border-bottom:1px dashed var(--line);scroll-margin-top:70px}
.verse:last-child{border:0}.vnum{font-weight:700;color:var(--accent)}
.greek{font-family:var(--gk);font-size:1.3rem;line-height:1.9}
.w{cursor:pointer;border-radius:3px;padding:0 1px}.w:hover,.w:focus{background:#f4e7e3;outline:none}.w.on{background:var(--accent);color:#fff}
.tr{color:var(--muted);font-size:.98rem;margin-top:.2rem}
.tr .lab{font-size:.72rem;border:1px solid var(--line);border-radius:4px;padding:0 .3rem;margin-right:.4rem;vertical-align:1px}
.hint{font-size:.85rem;color:var(--muted);margin:.4rem 0 0}
.note{background:#f3f6f6;border-left:3px solid var(--accent2);padding:.6rem 1rem;border-radius:0 6px 6px 0}
.small{font-size:.88rem;color:var(--muted)}
.diagram{font-family:var(--gk),var(--mono);font-size:.95rem;line-height:1.55;background:#fff;border:1px solid var(--line);border-radius:8px;padding:1rem;overflow-x:auto;white-space:pre}
.clauses li,.decisions li{margin:.4rem 0}
.flow{display:flex;gap:.5rem;flex-wrap:wrap;margin:1rem 0}
.flow div{flex:1 1 150px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--accent2);border-radius:6px;padding:.5rem .7rem;position:relative}
.flow div .gk{display:block;color:var(--accent);font-weight:700}.flow small{display:block;color:var(--muted)}
.table-wrap{overflow-x:auto;margin:1rem 0}
table{border-collapse:collapse;width:100%;font-size:.9rem;background:#fff}
th,td{border:1px solid var(--line);padding:.4rem .55rem;vertical-align:top;text-align:left}
th{background:#f4f1ea;font-weight:600}
td.gk,.parse td:first-child{font-family:var(--gk);font-size:1.05rem;white-space:nowrap}
.parse tr.hl td{background:#fdf1ec}
.bigidea{font-size:1.1rem;border-left:4px solid var(--accent);background:#fff;margin:1rem 0;padding:1rem 1.2rem;border-radius:0 8px 8px 0}
.bigidea b{display:block;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.ring,.ring ul{list-style:none;padding-left:1.2rem;border-left:2px solid var(--line)}
dl.ws dt{font-size:1.2rem;color:var(--accent);margin-top:1rem}dl.ws dd{margin-left:1rem}
/* Go deeper */
.deeper{margin:1.2rem 0;border:1px solid var(--line);border-radius:10px;background:#fff}
.deeper-btn{width:100%;display:flex;align-items:center;gap:.6rem;background:none;border:0;padding:.75rem 1rem;font:inherit;font-weight:600;color:var(--accent2);cursor:pointer;text-align:left;border-radius:10px}
.deeper-btn:hover{background:#f3f6f6}.deeper-btn:focus-visible{outline:2px solid var(--accent2)}
.deeper-btn .tag{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;background:var(--accent2);color:#fff;border-radius:4px;padding:.05rem .45rem}
.deeper-btn .chev{margin-left:auto;transition:transform .3s}
.deeper-btn[aria-expanded=true] .chev{transform:rotate(180deg)}
.deeper-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease}
.deeper-panel.open{grid-template-rows:1fr}
.deeper-panel>div{overflow:hidden}
.deeper-inner{padding:0 1.2rem 1rem;border-top:1px solid var(--line)}
/* footnotes & badges */
sup.fnref a{font-size:.72em;color:var(--accent);text-decoration:none;padding:0 1px}
.verify{display:inline-block;font-family:var(--serif);font-size:.68rem;line-height:1.4;font-weight:600;color:var(--warn);background:var(--warnbg);border:1px solid #f0c98a;border-radius:4px;padding:0 .35rem;vertical-align:2px;white-space:nowrap}
.fnlist{font-size:.88rem}.fnlist li{margin:.3rem 0;scroll-margin-top:80px}.fnlist li:target{background:#fff3dc}
.legend{font-size:.85rem;color:var(--muted)}
/* popover */
.popover{position:absolute;z-index:50;max-width:320px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 28px rgba(0,0,0,.15);padding:.7rem .9rem;font-size:.9rem;line-height:1.5}
.popover .pf{font-family:var(--gk);font-size:1.35rem;color:var(--accent)}
.popover .pl{font-family:var(--gk)}.popover dt{color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;margin-top:.35rem}.popover dd{margin:0}
.popover .x{position:absolute;right:.4rem;top:.2rem;border:0;background:none;font-size:1.1rem;cursor:pointer;color:var(--muted)}
@media (max-width:860px){
  .layout{grid-template-columns:minmax(0,1fr)}.brand [data-ui]{display:none}.menu-btn{display:block}
  .sidebar{position:fixed;left:0;top:52px;width:260px;background:#fff;z-index:30;transform:translateX(-100%);transition:transform .25s;box-shadow:2px 0 12px rgba(0,0,0,.1)}
  .sidebar.open{transform:none}
  .content{padding:1.2rem 1rem 4rem}h1{font-size:1.5rem}.greek{font-size:1.15rem}
}
@media (prefers-reduced-motion:reduce){.deeper-panel,.deeper-btn .chev,.sidebar{transition:none}html{scroll-behavior:auto}}
/* line diagrams */
.rkfig{margin:1rem 0 1.4rem;background:#fff;border:1px solid var(--line);border-radius:10px;padding:.5rem .8rem .8rem}
.rkfig figcaption{font-weight:600;color:var(--accent);font-size:.95rem}
.rkscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
svg.rk{display:block;max-width:none}
svg.rk .ln{stroke:#2a2a2a;stroke-width:1.4}
svg.rk .dt{stroke:#2a2a2a;stroke-width:1.3;stroke-dasharray:3 4}
svg.rk .ds{stroke:var(--accent);stroke-width:1.2;stroke-dasharray:7 5}
svg.rk .gw{font-family:var(--gk);font-size:18px;fill:#111}
svg.rk .lbl{font-family:var(--serif);font-size:12px;fill:var(--accent2);font-style:italic}
.rklegend{font-size:.88rem;background:#f3f6f6;border-radius:8px;padding:.6rem 1rem;margin:.5rem 0 1rem}
.rklegend ul{margin:.3rem 0 0;padding-left:1.2rem}
svg.rk .cj{font-family:var(--gk);font-size:16px;fill:var(--accent)}
/* verse-by-verse commentary */
.intro p,.vcard p,.vcard li{max-width:70ch}
.vcard{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:12px;padding:1.6rem 1.8rem 1.2rem;margin:2.2rem 0;box-shadow:0 2px 10px rgba(0,0,0,.04);scroll-margin-top:70px}
.vhead{margin-bottom:.4rem}.vref{font-weight:700;color:var(--accent);font-size:1.15rem;letter-spacing:.02em}
.vcard .greek{font-size:1.4rem;margin:.3rem 0 .4rem}
.vcard p{line-height:1.85;margin:.6rem 0 .9rem}html[lang=zh-Hans] .vcard p{line-height:2}
.core{margin:1.2rem 0 .6rem;padding:.9rem 1.1rem;background:#f8efe9;border-left:4px solid var(--accent);border-radius:0 8px 8px 0;font-size:1.04rem;max-width:70ch}
.core b{display:block;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:.15rem}
h3.sub{font-size:1.05rem;color:var(--accent2);margin:1.6rem 0 .3rem;padding-bottom:.2rem;border-bottom:1px solid var(--line);max-width:70ch}
h4.ph{margin:1.3rem 0 .2rem;color:var(--ink);font-weight:600;font-size:1rem}
h4.ph .gk{font-size:1.15em;color:var(--accent)}h4.ph .gl{margin-left:.6rem;color:var(--muted);font-weight:400;font-style:italic}
.options{background:#f3f6f6;border:1px solid #d6e2e2;border-radius:8px;padding:.3rem 1.1rem .6rem;margin:1.4rem 0;max-width:72ch}
.options h3.sub{margin-top:.8rem;border:0}.options ul{padding-left:1.1rem;margin:.3rem 0}.options li{margin:.45rem 0;line-height:1.75}
.vdeeper{margin-top:1.2rem;border-top:1px dashed var(--line);padding-top:.6rem}
ol.flow li{margin:.4rem 0}
@media (max-width:700px){.vcard{padding:1.1rem 1rem;margin:1.4rem -.4rem}}