:root{
  --ink:#2b2118; --paper:#f5f0e6; --paper-2:#ece4d3;
  --accent:#7c4a2d; --accent-2:#a9764a; --line:#d8cdb6;
  --card:#fffdf8; --card-male:#e8eef0; --card-female:#f3e7e9;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:"Inter",system-ui,sans-serif;color:var(--ink);background:var(--paper)}

.site-bar{display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:20px 22px 16px;background:
    radial-gradient(circle at 30% 0%, #3a2a3f 0%, transparent 60%),
    radial-gradient(circle at 70% 0%, #3a2e22 0%, transparent 60%),
    var(--ink);
  color:var(--paper);position:relative}
.brand{font-family:Georgia,"Times New Roman",serif;font-size:1.7rem;font-weight:700;
  letter-spacing:.06em;color:var(--paper);text-decoration:none;text-align:center;
  text-transform:uppercase;line-height:1.1}
.brand-tag{font-family:Georgia,serif;font-style:italic;font-size:.92rem;color:#cdbfa6;
  margin-top:-6px;margin-bottom:2px}
.nav-toggle{display:none;position:absolute;right:18px;top:18px;background:transparent;
  border:1px solid #6b5a44;color:var(--paper);border-radius:8px;font-size:1.3rem;
  padding:4px 11px;cursor:pointer;line-height:1}
.site-nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.site-nav a{display:inline-flex;align-items:center;gap:7px;color:#e7dcc6;text-decoration:none;
  font-size:.86rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  padding:8px 16px;border-radius:22px;background:rgba(124,74,45,.22);
  border:1px solid rgba(169,118,74,.35);transition:background .15s,color .15s,border-color .15s}
.site-nav a:hover{background:rgba(124,74,45,.5);color:#fff;border-color:var(--accent-2)}
.site-nav a.active{background:linear-gradient(180deg,#8a5430,#6e3f22);color:#fff;
  border-color:var(--accent-2)}
.site-nav a .ico{font-size:1rem;line-height:1}

.tree-toolbar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.tree-toolbar-inner{max-width:1100px;margin:0 auto;padding:12px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.tree-hint{margin:0;font-size:.9rem;color:#5a4a38}
.tree-controls{display:flex;gap:10px}
.tree-controls button{font:inherit;font-size:.85rem;cursor:pointer;
  background:var(--accent);color:#fff;border:none;border-radius:6px;padding:8px 14px}
.tree-controls button:hover{background:var(--accent-2)}
.tree-controls button:focus-visible{outline:3px solid var(--accent-2);outline-offset:2px}

#FamilyChart{width:100%;height:calc(100vh - 180px);background:
  radial-gradient(circle at 1px 1px, #e3dac4 1px, transparent 0) 0 0/22px 22px,
  var(--paper)}

/* card look */
.f3 .card-male rect.card-body{fill:var(--card-male)}
.f3 .card-female rect.card-body{fill:var(--card-female)}
.f3 .card text{fill:var(--ink)}
.f3 .card-main rect.card-body{stroke:var(--accent);stroke-width:3}
.f3 .link{stroke:#b09a78}

.site-foot{padding:16px 22px;text-align:center;font-size:.85rem;
  color:#6b5a44;background:var(--paper-2);border-top:1px solid var(--line)}

@media (max-width:820px){
  .nav-toggle{display:block}
  .site-nav{display:none;flex-direction:column;width:100%;gap:8px;margin-top:6px}
  .site-nav.open{display:flex}
  .site-nav a{width:100%;justify-content:center;font-size:.9rem;padding:11px 16px}
  .brand{font-size:1.35rem}
}
@media (max-width:640px){
  #FamilyChart{height:calc(100vh - 220px)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}