/* Version 4 — Tree of Life design system, additive to v1/v2/v3. */
.sidebar .nav-list{min-height:0;flex:1 1 auto;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;padding-bottom:18px}.sidebar .side-bottom{flex:0 0 auto;padding-top:13px;padding-bottom:16px}.sidebar .side-bottom p{margin-bottom:8px}.sidebar .side-bottom .small-orbit{display:none}.sidebar .nav-list a{padding-top:9px;padding-bottom:9px}
.v4-home-hero{overflow:hidden;position:relative;background:#0e1233;margin:2px 0 15px;border-color:#7d6cc465}.v4-home-hero picture{display:block;line-height:0}.v4-home-hero img{width:100%;height:auto;display:block}.v4-mobile-title{display:none}.v4-home-actions{display:flex;justify-content:space-between;align-items:center;gap:25px;margin:5px 0 23px;padding:8px 3px 15px}.v4-home-actions p{font-size:13px;color:var(--muted);line-height:1.6;margin:8px 0 0;max-width:720px}.v4-buttons{display:flex;gap:8px;align-items:center;flex-wrap:wrap;flex-shrink:0}.v4-feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.v4-feature{padding:19px 17px 18px;min-width:0;display:flex;flex-direction:column;background:radial-gradient(circle at 90% 0%,#7468cf25,transparent 54%),var(--panel)}.v4-feature>span{color:var(--mint);font-size:24px;display:flex;align-items:center;gap:9px}.v4-feature small{font-size:10px;color:var(--muted);font-weight:700}.v4-feature h3{font-size:18px;letter-spacing:-.45px;line-height:1.22;margin:18px 0 9px}.v4-feature p{color:var(--muted);font-size:12px;line-height:1.65;margin:0 0 18px;flex:1}.v4-feature b{color:var(--mint);font-size:12px}.v4-feature:hover{border-color:#8be9d77a;transform:translateY(-2px);transition:transform .2s}
.v4-page-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(240px,.85fr);align-items:center;min-height:235px;overflow:hidden;margin:0 0 22px;background:linear-gradient(90deg,#101731,#18183f);position:relative}.v4-page-hero>div{padding:28px 32px;position:relative;z-index:2}.v4-page-hero h1{font-size:clamp(32px,3.5vw,50px);letter-spacing:-1.9px;line-height:1.1;margin:10px 0}.v4-page-hero p{color:#c1cae3;font-size:13px;line-height:1.65;margin:8px 0 17px;max-width:660px}.v4-page-hero img{width:100%;height:100%;min-height:230px;object-fit:cover;object-position:center}.v4-inline-path{display:flex;gap:9px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:11px}.v4-inline-path a{color:var(--mint);border-bottom:1px solid transparent}.v4-inline-path a:hover{border-color:var(--mint)}
.v4-tree-layout,.v4-life-layout{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(300px,.82fr);gap:15px;align-items:stretch}.v4-tree-visual{padding:0;min-width:0;overflow:hidden;position:relative;background:radial-gradient(circle at 60% 45%,#34346d,#0b122e 80%)}.v4-tree-visual>img{width:100%;height:400px;object-fit:cover;object-position:center 47%;display:block}.v4-tree-select{padding:17px 19px 21px;background:linear-gradient(180deg,#101a3699,#10152c)}.v4-tree-parts{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}.v4-part{border:1px solid #a698ff61;border-radius:100px;background:#8c80df1a;color:#c9c0f5;padding:7px 12px;font-weight:750;font-size:11px}.v4-part:hover,.v4-part[aria-pressed=true]{color:#091f2b;background:#80e8d7;border-color:#80e8d7}
.v4-detail{padding:26px;min-width:0}.v4-detail h2{font-size:clamp(25px,2.2vw,34px);letter-spacing:-1.1px;line-height:1.16;margin:16px 0 10px}.v4-detail .v4-leading{color:var(--ink);line-height:1.65;font-size:14px}.v4-evidence-line{margin-top:16px;padding:14px 15px;border:1px solid var(--stroke);border-radius:13px;background:rgba(91,103,183,.07)}.v4-evidence-line>span{font-weight:850;color:var(--mint);font-size:10px;letter-spacing:1.2px}.v4-evidence-line p{font-size:13px;color:var(--muted);line-height:1.7;margin:7px 0 0}.v4-evidence-line.boundary{border-color:rgba(247,191,143,.25);background:rgba(247,191,143,.035)}.v4-evidence-line.boundary>span{color:var(--gold)}.v4-source-line{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:21px}.v4-ref{color:var(--sky);font-weight:750;font-size:12px;line-height:1.7}.v4-ref:hover{text-decoration:underline}.v4-three-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.v4-step{padding:23px;display:flex;flex-direction:column;gap:9px;min-width:0}.v4-step small{color:var(--mint);font-size:10px;letter-spacing:1px;font-weight:800}.v4-step h3{font-size:18px;margin:2px 0 0}.v4-step p{font-size:13px;color:var(--muted);line-height:1.65;margin:0;flex:1}.v4-step b{color:var(--sky);font-size:12px;margin-top:9px}.v4-question-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:25px}.v4-question{padding:19px;display:flex;flex-direction:column;align-items:flex-start;gap:9px}.v4-question h3{margin:6px 0 0;font-size:17px}.v4-question p{font-size:12px;color:var(--muted);line-height:1.6;flex:1;margin:0 0 8px}
.v4-gen-toolbar{padding:15px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:19px 0 14px}.v4-gen-toolbar>.search-field{flex:1 1 310px;min-width:0}.v4-gen-toolbar>label:not(.search-field){font-size:10px;color:var(--muted);display:flex;align-items:center;gap:7px}.v4-gen-toolbar .form-field{width:155px;max-width:100%;padding:9px;font-size:12px}.v4-gen-layout{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:14px;align-items:start}.v4-gen-list-wrap{padding:12px;max-height:680px;overflow-y:auto}.v4-gen-count{font-size:11px;color:var(--muted);padding:7px 10px 12px}.v4-gen-list{display:grid;gap:5px}.v4-gen-item{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;padding:12px 14px;border:1px solid transparent;background:transparent;border-radius:10px;color:var(--ink);width:100%}.v4-gen-item:hover{background:#8c82ef18}.v4-gen-item.selected{background:linear-gradient(100deg,#8775df2b,#49baa90e);border-color:#8c84dc78}.v4-gen-item small{color:var(--mint);font-size:10px}.v4-gen-item strong{font-size:13px}.v4-gen-detail{padding:23px 27px;min-height:490px}.v4-gen-detail h2{font-size:clamp(24px,2.2vw,35px);margin:15px 0 8px}.v4-gen-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.v4-no-result{padding:15px;color:var(--muted)}
.v4-life-network{padding:24px;min-width:0;background:radial-gradient(circle at 50% 26%,rgba(103,112,209,.2),transparent 50%),var(--panel)}.v4-life-core{width:min(300px,100%);min-height:128px;margin:0 auto 22px;border:1px solid #7fdfdf69;border-radius:20px;background:radial-gradient(circle at 50% 10%,#83e2d522,transparent 65%);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:5px}.v4-spark{color:var(--mint);font-size:24px;text-shadow:0 0 22px #79dbcda1}.v4-life-core strong{font-size:12px;letter-spacing:1px}.v4-life-core small{font-size:10px;color:var(--muted)}.v4-life-choices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.v4-life-node{min-width:0;padding:12px 7px;border:1px solid var(--stroke2);border-radius:14px;background:var(--panel2);color:var(--ink);display:flex;flex-direction:column;align-items:center;gap:7px;text-align:center}.v4-life-node span{font-size:28px;color:var(--violet)}.v4-life-node strong{font-size:11px;line-height:1.3}.v4-life-node:hover,.v4-life-node[aria-pressed=true]{background:#5b7ed236;border-color:#7bdfdc}.v4-life-note{font-size:11px;color:var(--muted);text-align:center;margin:19px 0 0}
.v4-rest-head{padding:24px;margin-bottom:15px}.v4-rest-head h2{font-size:24px;margin:9px 0}.v4-rest-head p{color:var(--muted);font-size:12px}.v4-rest-topic-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}.v4-rest-topic-list button[aria-pressed=true]{border-color:var(--mint);color:#05212e;background:var(--mint)}.v4-rest-comparison{display:grid;grid-template-columns:minmax(0,1fr) 40px minmax(0,1fr);align-items:stretch;gap:12px}.v4-rest-comparison .card{padding:26px;display:flex;flex-direction:column;align-items:flex-start;gap:13px}.v4-rest-comparison h2{margin:0;font-size:22px}.v4-rest-comparison p{color:var(--muted);font-size:14px;line-height:1.6;margin:0;flex:1}.v4-rest-comparison .eyebrow{font-size:10px}.v4-bridge{display:grid;place-items:center;color:var(--mint);font-size:35px}.v4-rest-note{margin-top:13px;margin-bottom:8px;padding:19px 24px;border-color:#e4bf8545}.v4-rest-note strong{color:var(--gold)}.v4-rest-note p{margin:8px 0 14px;color:var(--muted);font-size:13px;line-height:1.6}
body[data-theme=day] .v4-page-hero,body[data-theme=day] .v4-home-hero{color:#fff}body[data-theme=day] .v4-page-hero .eyebrow{color:#8befd7}body[data-theme=day] .v4-page-hero p{color:#d2d7f2}body[data-theme=day] .v4-page-hero h1{color:#fff}body[data-theme=day] .v4-life-network{background:#f5f6ff}body[data-theme=day] .v4-life-core{background:#e4f8f3}body[data-theme=day] .v4-life-node{background:#e8ecff}
@media(max-width:1300px){.v4-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.v4-home-actions{flex-direction:column;align-items:flex-start}.v4-tree-layout,.v4-life-layout{grid-template-columns:minmax(0,1fr)}.v4-tree-visual>img{height:360px}.v4-question-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.v4-three-cards{grid-template-columns:1fr 1fr}.v4-gen-layout{grid-template-columns:1fr}.v4-gen-list-wrap{max-height:300px}.v4-page-hero{grid-template-columns:minmax(0,1fr) minmax(170px,.55fr)}.v4-rest-comparison{grid-template-columns:1fr}.v4-bridge{min-height:20px;line-height:1;font-size:25px;transform:rotate(90deg)}}
@media(max-width:650px){.v4-home-hero{min-height:420px}.v4-home-hero picture img{height:440px;object-fit:cover;object-position:51% center}.v4-home-hero:after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,#090f2de8)}.v4-mobile-title{position:absolute;z-index:2;bottom:20px;left:22px;right:20px;display:flex;flex-direction:column;gap:2px;color:#fff}.v4-mobile-title span{font-size:10px;letter-spacing:2.5px;font-weight:800;color:#8be9da}.v4-mobile-title strong{font-size:clamp(31px,8vw,45px);line-height:1.1;letter-spacing:-1px}.v4-mobile-title small{font-size:13px;color:#d4ddf2}.v4-home-actions{margin:0 0 19px}.v4-buttons{width:100%}.v4-buttons .btn{width:100%}.v4-feature-grid,.v4-question-grid,.v4-three-cards{grid-template-columns:1fr}.v4-page-hero{display:flex;flex-direction:column-reverse}.v4-page-hero img{height:175px;min-height:175px;max-height:175px;object-position:center 36%}.v4-page-hero>div{padding:22px}.v4-tree-visual>img{height:300px}.v4-detail{padding:18px}.v4-life-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.v4-gen-toolbar{align-items:stretch;flex-direction:column}.v4-gen-toolbar>.search-field{width:100%;flex:0 0 auto}.v4-gen-toolbar>label:not(.search-field){width:100%;justify-content:space-between}.v4-gen-toolbar .form-field{width:70%;max-width:none}.v4-gen-detail{padding:19px}.v4-rest-comparison .card{padding:20px}}
@media(prefers-reduced-motion:reduce){.v4-feature{transition:none}}