*,*::before,*::after{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:#f0e5d3;color:#23170f}body{padding:16px}.app{max-width:1510px;margin:0 auto;border:1px solid rgba(80,52,28,.16);border-radius:25px;overflow:hidden;background:linear-gradient(150deg,#fffaf1,#f4ead9);box-shadow:0 26px 90px rgba(35,22,12,.15),inset 0 1px 0 rgba(255,255,255,.82)}.top{display:flex;align-items:center;gap:16px;justify-content:space-between;padding:18px 22px;border-bottom:1px solid rgba(80,52,28,.13);background:linear-gradient(180deg,rgba(255,253,247,.94),rgba(255,248,237,.9));backdrop-filter:blur(12px)}.brand{font-size:11px;text-transform:uppercase;letter-spacing:.14em;font-weight:950;color:#755b3d}.title{font-size:clamp(28px,3.4vw,50px);letter-spacing:-.058em;line-height:.92;font-weight:950;margin:2px 0;color:#1d130d}.sub{font-size:14px;color:#6a5844;margin:6px 0 0;max-width:780px}.controls{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.btn,.search,.select{border:1px solid rgba(80,52,28,.18);background:rgba(255,255,255,.82);color:#23170f;border-radius:999px;padding:9px 13px;font:850 13px/1 system-ui;box-shadow:0 2px 8px rgba(40,25,12,.05)}.btn{cursor:pointer;transition:transform .12s,background .12s,box-shadow .12s}.btn:hover,.btn.on{background:#fff;box-shadow:0 6px 20px rgba(40,25,12,.13);transform:translateY(-1px)}.search{font-weight:650;min-width:240px}.context-grid{display:grid;grid-template-columns:minmax(0,1.8fr) repeat(3,minmax(260px,1fr));gap:12px;padding:14px 16px;border-bottom:1px solid rgba(80,52,28,.13);background:linear-gradient(180deg,rgba(255,253,247,.92),rgba(255,249,240,.86))}.context-grid .card{min-height:100%}.context-grid .card--feature{grid-column:span 2}.context-grid .card--full{grid-column:1 / -1}.main{display:block;min-height:0}.tree-wrap{position:relative;min-height:790px;overflow:hidden;background:radial-gradient(circle at 50% 36%,rgba(138,105,59,.11),transparent 45%),radial-gradient(circle at 35% 78%,rgba(90,130,55,.07),transparent 32%),linear-gradient(180deg,#fffaf1,#f2e7d5)}#treeSvg{width:100%;height:100%;min-height:790px;display:block;cursor:grab}.drag #treeSvg{cursor:grabbing}.tree-bg{opacity:.31;filter:drop-shadow(0 13px 16px rgba(61,37,15,.09));pointer-events:none}.zone{fill:var(--zone,rgba(126,92,50,.055));stroke:rgba(95,57,24,.11);stroke-width:1.35;stroke-dasharray:7 11;pointer-events:none;transition:opacity .18s,fill .18s,stroke .18s,stroke-width .18s}.zone.dim{opacity:.14}.zone.focus{fill:var(--zoneFocus,rgba(126,92,50,.12));stroke:var(--zoneStroke,rgba(95,57,24,.32));stroke-width:2.4;opacity:1}.zone-label{font:950 17px/1 system-ui;fill:#2a1a0f;paint-order:stroke;stroke:#fff7e9;stroke-width:6px;stroke-linejoin:round;transition:opacity .18s}.zone-label.dim{opacity:.24}.zone-label.focus{opacity:1}.leaf-wash{pointer-events:none;opacity:.24;mix-blend-mode:multiply}.cherry{cursor:pointer;transition:opacity .16s,filter .16s}.cherry.dim{opacity:.13;filter:grayscale(.3)}.cherry .berry{transition:transform .16s cubic-bezier(.34,1.56,.64,1),filter .14s;transform-box:fill-box;transform-origin:center;stroke:rgba(20,8,2,.30);stroke-width:1.05;filter:drop-shadow(0 2px 2px rgba(45,25,12,.16))}.cherry:hover .berry,.cherry.selected .berry{transform:scale(1.28);filter:drop-shadow(0 5px 5px rgba(45,25,12,.18))}.cherry.selected .halo{opacity:1;transform:scale(1.25)}.halo{opacity:0;fill:none;stroke:#fff7e9;stroke-width:5;transition:opacity .14s,transform .14s;transform-box:fill-box;transform-origin:center}.cherry .vlabel{font:950 12px/1 system-ui;fill:#1f130b;paint-order:stroke;stroke:#fffaf0;stroke-width:4.8px;stroke-linejoin:round;opacity:0;transition:opacity .14s;pointer-events:none;filter:drop-shadow(0 1px 1px rgba(45,25,12,.10))}.cherry:hover .vlabel,.cherry .vlabel.label-visible{opacity:1}.badge{font:950 12px/1 system-ui;fill:#fff7e9;paint-order:stroke;stroke:rgba(0,0,0,.2);stroke-width:2px}.label{font:950 16px/1 system-ui;letter-spacing:-.02em;fill:#2a1a0f;paint-order:stroke;stroke:#fff7e9;stroke-width:6px;stroke-linejoin:round}.smallnote{font:750 11px/1.25 system-ui;fill:#7b6650}.card{border:1px solid rgba(80,52,28,.14);background:rgba(255,255,255,.66);border-radius:19px;padding:14px;box-shadow:0 9px 30px rgba(40,25,12,.08)}.eyebrow{display:flex;align-items:center;gap:7px;font:950 11px/1 system-ui;letter-spacing:.12em;text-transform:uppercase;color:#6b5038}.dot{display:inline-block;width:11px;height:11px;border-radius:50%;background:var(--c,#8c6d4a);box-shadow:inset 0 1px 1px rgba(255,255,255,.7)}h2,h3{margin:0}.var-title{font-size:30px;line-height:1;letter-spacing:-.045em;margin:8px 0 6px}.p{font-size:14px;line-height:1.46;color:#604f40;margin:8px 0}.chips{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}.chip{display:inline-flex;align-items:center;gap:5px;border:1px solid rgba(80,52,28,.12);background:rgba(255,250,240,.85);padding:5px 8px;border-radius:999px;font-size:12px;font-weight:850;color:#332419}.chip.good{background:#eef8ea;border-color:#b8d5aa}.chip.warn{background:#fff5db;border-color:#e2c26b}.chip.low{background:#f8ece8;border-color:#d7a795}.grid{display:grid;grid-template-columns:112px 1fr;gap:7px 10px;font-size:13px}.grid b{color:#3a2719}.grid span{color:#61503f}.section-title{font-size:13px;font-weight:950;text-transform:uppercase;letter-spacing:.08em;color:#70583f;margin:12px 0 6px}.list{margin:6px 0 0 18px;color:#604f40;font-size:13px;line-height:1.35}.source{display:block;color:#563719;text-decoration:none;font-size:12.5px;font-weight:800;margin:5px 0}.source:hover{text-decoration:underline}.story-buttons,.lineage-buttons{display:flex;flex-wrap:wrap;gap:6px}.mini{font-size:12px;padding:7px 9px}.story-step{border-left:5px solid var(--c,#8a6d4d);padding-left:10px}.decode-input{width:100%;border:1px solid rgba(80,52,28,.18);border-radius:14px;padding:10px;background:white;font:650 13px system-ui}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.compare-box{border:1px solid rgba(80,52,28,.12);border-radius:14px;padding:10px;background:rgba(255,250,240,.76)}.compare-box h4{margin:0 0 5px;font-size:15px}.footer-note{position:absolute;left:16px;right:16px;bottom:12px;display:flex;justify-content:space-between;gap:10px;align-items:flex-end;pointer-events:none}.legend{pointer-events:auto;display:flex;gap:6px;flex-wrap:wrap;max-width:820px;padding:10px 12px;border-radius:16px;border:1px solid rgba(80,52,28,.13);background:rgba(255,252,244,.9);box-shadow:0 10px 30px rgba(40,25,12,.08)}.legend .chip{cursor:pointer}.callout{pointer-events:auto;max-width:395px;padding:10px 12px;border-radius:16px;border:1px solid rgba(80,52,28,.13);background:rgba(255,252,244,.9);box-shadow:0 10px 30px rgba(40,25,12,.08);font-size:12px;color:#604f40}.hidden{display:none!important}.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:#2b1a10;color:#fff7e9;padding:10px 14px;border-radius:999px;font:850 13px/1 system-ui;box-shadow:0 12px 30px rgba(0,0,0,.2);opacity:0;pointer-events:none;transition:opacity .15s}.toast.on{opacity:1}@media(max-width:1280px){.context-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.context-grid .card--feature{grid-column:span 2}}@media(max-width:1080px){.tree-wrap,#treeSvg{min-height:650px}.footer-note{position:static;padding:0 16px 14px;display:block}.legend{margin-bottom:8px}.context-grid{grid-template-columns:1fr}.context-grid .card--feature,.context-grid .card--full{grid-column:auto}}@media(max-width:650px){body{padding:8px}.top{align-items:flex-start;flex-direction:column}.controls{justify-content:flex-start}.search{min-width:0;width:100%}.main{min-height:0}.compare-grid{grid-template-columns:1fr}.tree-wrap,#treeSvg{min-height:540px}.cherry .vlabel{font-size:9.5px;stroke-width:4.2px}.label{font-size:13px}.side{padding:10px}.card{border-radius:16px}.var-title{font-size:26px}}


/* v0.5 lineage heading polish: make family/zone headings read as foreground signposts */
.zone-heading{cursor:pointer;transition:opacity .18s,filter .18s,transform .18s;filter:drop-shadow(0 4px 6px rgba(45,25,12,.16));}
.zone-heading.dim{opacity:.40;}
.zone-heading.focus{opacity:1;filter:drop-shadow(0 7px 12px rgba(45,25,12,.22));}
.zone-heading:hover{filter:drop-shadow(0 8px 14px rgba(45,25,12,.24));}
.zone-heading-bg{fill:var(--headFill,#7b4a27);stroke:#fff7e9;stroke-width:3.5px;opacity:.96;}
.zone-heading.focus .zone-heading-bg{stroke-width:4.6px;opacity:1;}
.zone-heading-dot{fill:#fff7e9;opacity:.96;}
.zone-heading-text{font:950 17px/1 system-ui;letter-spacing:-.01em;fill:#fffaf0;paint-order:stroke;stroke:rgba(35,20,10,.20);stroke-width:2px;stroke-linejoin:round;pointer-events:none;}
.zone-heading-subtle{fill:rgba(255,255,255,.22);pointer-events:none;}
@media(max-width:650px){.zone-heading-text{font-size:13px}.zone-heading-bg{stroke-width:3px}}


/* v0.6.3 showcase layout refinements */
.context-grid{
  grid-template-columns:minmax(0,1.7fr) minmax(280px,1fr) minmax(280px,1fr);
  gap:14px;
  padding:16px 18px 18px;
  border-top:1px solid rgba(80,52,28,.13);
  border-bottom:0;
}
.context-grid .card--feature{grid-column:span 2}
.context-grid .card--compare{grid-column:span 2}
.main{
  min-height:0;
  border-bottom:1px solid rgba(80,52,28,.13);
}
.tree-wrap{
  min-height:760px;
}
#treeSvg{
  min-height:760px;
}
.footer-note{
  background:linear-gradient(180deg,rgba(255,252,245,.76),rgba(250,244,233,.92));
}
@media (max-width: 1180px){
  .context-grid{
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  }
  .context-grid .card--feature,
  .context-grid .card--compare{
    grid-column:span 2;
  }
}
@media (max-width: 820px){
  .context-grid{
    grid-template-columns:minmax(0,1fr);
  }
  .context-grid .card--feature,
  .context-grid .card--compare{
    grid-column:span 1;
  }
  .tree-wrap,
  #treeSvg{
    min-height:620px;
  }
}