:root{
 --bg:#f6f2e9;--paper:#fffdf8;--ink:#23313a;--muted:#6c7478;--accent:#243847;--line:#d9d2c4;
 --font-scale:1;--reader-width:760px;--shadow:0 8px 30px rgba(28,37,43,.09)
}
*{box-sizing:border-box}html{background:var(--bg);color:var(--ink);font-family:Georgia,"Times New Roman",serif;font-size:calc(18px * var(--font-scale));scroll-behavior:smooth}body{margin:0;min-height:100vh;padding-bottom:82px;background:var(--bg)}button,input{font:inherit}
a{color:inherit}.shell{max-width:var(--reader-width);margin:auto;padding:22px 20px 44px}.home{max-width:980px}.hero{display:grid;grid-template-columns:minmax(180px,310px) 1fr;gap:36px;align-items:center;padding:22px 0 30px}.cover{width:100%;border-radius:7px;box-shadow:var(--shadow)}.kicker{font:600 .74rem/1.2 system-ui,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}h1,h2,h3{font-weight:500;line-height:1.14}h1{font-size:clamp(2rem,6vw,4rem);margin:.2em 0 .24em}h2{font-size:1.7rem}p{line-height:1.68}.intro{font-size:1.05rem;color:#465159}.home-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.btn{border:1px solid var(--accent);background:var(--accent);color:white;border-radius:999px;padding:11px 17px;cursor:pointer;font-family:system-ui,sans-serif;font-size:.86rem;text-decoration:none}.btn.secondary{background:transparent;color:var(--accent)}.btn[hidden]{display:none}.quick{border-top:1px solid var(--line);padding-top:28px}.quick h2{margin-bottom:8px}.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.card{display:block;background:rgba(255,255,255,.5);border:1px solid var(--line);padding:16px 18px;border-radius:12px;text-decoration:none;line-height:1.25}.card small{display:block;margin-top:6px;color:var(--muted);font-family:system-ui,sans-serif;font-size:.73rem}.reader{background:var(--paper);min-height:calc(100vh - 82px);box-shadow:var(--shadow);padding:34px clamp(22px,6vw,60px);margin-top:18px;border-radius:10px}.reader h1,.reader h2,.reader h3{color:#1d313f}.reader h1{font-size:2rem}.reader h2{font-size:1.7rem;margin-top:.2em}.reader p{margin:1em 0}.reader strong{font-weight:700}.reader ul,.reader ol{padding-left:1.4em}.reader li{margin:.48em 0;line-height:1.45}.reader a{text-decoration-thickness:1px;text-underline-offset:3px}.chapter-tools{display:flex;justify-content:space-between;gap:10px;align-items:center;font:500 .78rem/1 system-ui,sans-serif;color:var(--muted);margin:2px 4px 0}.chapter-tools a{text-decoration:none}.bottom-nav{position:fixed;z-index:20;bottom:0;left:0;right:0;height:72px;padding:7px max(12px,env(safe-area-inset-left)) calc(7px + env(safe-area-inset-bottom));display:flex;justify-content:center;gap:min(8vw,54px);background:rgba(246,242,233,.94);border-top:1px solid var(--line);backdrop-filter:blur(14px)}.bottom-nav button{background:none;border:0;color:var(--ink);min-width:54px;cursor:pointer;font-family:system-ui,sans-serif;font-weight:600;font-size:1.13rem}.bottom-nav span{display:block;font-size:.62rem;margin-top:3px;font-weight:500}dialog{width:min(94vw,720px);max-height:82vh;border:1px solid var(--line);border-radius:14px;background:var(--paper);color:var(--ink);padding:0;box-shadow:var(--shadow)}dialog::backdrop{background:rgba(15,22,26,.5)}#panelBody{padding:24px 24px 10px;overflow:auto;max-height:70vh}.close-panel{margin:12px 24px 20px;border:1px solid var(--line);background:transparent;border-radius:999px;padding:8px 14px;cursor:pointer}.toc-list,.toc-list ol{list-style:none;padding-left:0;margin:.4em 0}.toc-list ol{padding-left:18px;border-left:1px solid var(--line);margin-left:7px}.toc-list a{display:block;padding:7px 2px;text-decoration:none}.toc-list>li>a{font-weight:700}.searchbox{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;background:white;color:#222}.results{margin-top:12px}.result{display:block;padding:12px 2px;border-bottom:1px solid var(--line);text-decoration:none}.result small{display:block;color:var(--muted);margin-top:4px;font-family:system-ui,sans-serif}.settings-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.setting-btn{border:1px solid var(--line);background:transparent;padding:9px 12px;border-radius:8px;cursor:pointer}.dark{--bg:#171d21;--paper:#20282d;--ink:#edf0ed;--muted:#aeb8bb;--accent:#d6b98a;--line:#3b464c}.dark .reader h1,.dark .reader h2,.dark .reader h3{color:#f2eee4}.dark .searchbox{background:#121719;color:#eee}.dark .btn{color:#171d21}.dark .btn.secondary{color:var(--accent)}
@media(max-width:700px){.shell{padding:14px 13px 32px}.hero{grid-template-columns:1fr;text-align:center;gap:20px}.cover{max-width:260px;margin:auto}.home-actions{justify-content:center}.quick-grid{grid-template-columns:1fr}.reader{margin-top:8px;padding:28px 21px;border-radius:7px}.reader h2{font-size:1.55rem}.chapter-tools{padding:0 5px}}
@media(min-width:900px){.bottom-nav{left:50%;transform:translateX(-50%);width:540px;border:1px solid var(--line);border-bottom:0;border-radius:18px 18px 0 0}}


/* v2: consolidated Doorways hub */
.card{min-width:0;overflow-wrap:anywhere}
.doorways-intro{margin-bottom:1.25rem}
.doorway-jump{display:flex;flex-wrap:wrap;gap:.45rem .55rem;margin:1.1rem 0 2rem;padding:0 0 1.35rem;border-bottom:1px solid var(--line)}
.doorway-jump a{font:600 .72rem/1.2 system-ui,sans-serif;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:.48rem .7rem;background:var(--bg)}
.doorway-category{scroll-margin-top:18px;padding-top:.4rem;margin-top:1.7rem;border-top:1px solid var(--line)}
.doorway-category:first-of-type{border-top:0;margin-top:.5rem}
.doorway-category h2{margin-bottom:1.1rem}
.doorway-category p strong{display:block;margin-top:1.2rem;color:var(--ink)}
.doorway-category ul{list-style:none;padding-left:0;margin:.45rem 0 1.1rem;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.42rem .55rem}
.doorway-category li{margin:0}
.doorway-category li p{margin:0}
.doorway-category li a{display:block;border:1px solid var(--line);border-radius:9px;padding:.62rem .72rem;text-decoration:none;background:rgba(255,255,255,.24);line-height:1.3}
.dark .doorway-category li a{background:rgba(255,255,255,.025)}
@media(max-width:620px){.doorway-category ul{grid-template-columns:1fr}.doorway-jump{gap:.4rem}.doorway-jump a{font-size:.68rem}}


/* v3 section landing pages */
.section-seeds{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--line,#ded6c8)}
.seed-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem;margin-top:.8rem}
.seed-card{display:block;padding:.9rem 1rem;border:1px solid var(--line,#ded6c8);border-radius:14px;text-decoration:none;background:var(--card,#fbfaf6);color:inherit}
.seed-card:hover{transform:translateY(-1px);box-shadow:0 5px 18px rgba(0,0,0,.06)}
@media(max-width:680px){.seed-grid{grid-template-columns:1fr}}


/* v4: Doorways in-page navigation */
.back-doorways{
 display:inline-block;
 margin:.35rem 0 1rem;
 padding:.5rem .75rem;
 border:1px solid var(--line);
 border-radius:999px;
 background:transparent;
 color:var(--muted);
 cursor:pointer;
 font:600 .7rem/1.2 system-ui,sans-serif;
}
.back-doorways:hover{color:var(--ink);border-color:var(--muted)}