:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.92);
  --panel-dark: rgba(17,24,39,.92);
  --text: #0b1220;
  --text-dark: #f3f4f6;
  --muted: rgba(107,114,128,1);
  --brand: #7c3aed;
  --male: #2563eb;
  --female: #ec4899;
  --spouse: rgba(234,179,8,1);
  --link: rgba(148,163,184,.9);
  --shadow: 0 12px 32px rgba(0,0,0,.28);
  --radius: 18px;
}

@media (prefers-color-scheme: dark){
  :root{ --panel: var(--panel-dark); --text: var(--text-dark); --muted: rgba(156,163,175,1); --link: rgba(148,163,184,.55); }
}

*{ box-sizing:border-box; }
html,body{ height:100%; margin:0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji"; }
body{
  background: radial-gradient(1200px 800px at 10% 10%, rgba(124,58,237,.18), transparent 50%),
              radial-gradient(900px 600px at 90% 10%, rgba(37,99,235,.14), transparent 45%),
              radial-gradient(900px 700px at 50% 90%, rgba(236,72,153,.10), transparent 55%),
              #0b1220;
  color: var(--text);
  overflow:hidden;
}

/* Layout */
.shell{ position:relative; height:100%; width:100%; }
.topbar{
  position:absolute; inset: 12px 12px auto 12px;
  display:flex; gap:10px; align-items:center; justify-content:space-between;
  padding:10px 12px;
  background: rgba(255,255,255,.10);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  z-index: 30;
}
@media (prefers-color-scheme: dark){
  .topbar{ background: rgba(17,24,39,.55); border-color: rgba(255,255,255,.08); }
}

.brand{ display:flex; align-items:center; gap:10px; min-width: 160px; }
.brand svg{ width:28px; height:28px; }
.brand-title{ display:flex; flex-direction:column; line-height:1.05; }
.brand-title b{ font-size:14px; color:#fff; }
.brand-title span{ font-size:12px; color: rgba(255,255,255,.72); }

.search{
  flex:1;
  display:flex;
  align-items:center;
  gap:8px;
  max-width: 680px;
}
.search input{
  width:100%;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  color: #fff;
  border-radius: 12px;
  padding:10px 12px;
  outline:none;
}
.search input::placeholder{ color: rgba(255,255,255,.55); }
.pills{ display:flex; gap:8px; align-items:center; flex-wrap: wrap; justify-content:flex-end; }
.pill{
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
  color:#fff;
  border-radius: 999px;
  padding: 9px 12px;
  font-size: 12px;
  cursor:pointer;
  user-select:none;
}
.pill:hover{ background: rgba(255,255,255,.14); }
.pill:active{ transform: translateY(1px); }

.canvas{
  position:absolute; inset:0;
}
#viz{
  width:100%; height:100%;
  touch-action: none;
}

/* Drawer */
.drawer{
  position:absolute;
  right: 12px;
  top: 72px;
  bottom: 12px;
  width: min(420px, calc(100vw - 24px));
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.18);
  overflow:hidden;
  z-index: 25;
  transform: translateX(calc(100% + 18px));
  transition: transform .22s ease;
  display:flex;
  flex-direction:column;
}
.drawer.open{ transform: translateX(0); }
.drawer header{
  padding: 14px 14px 12px 14px;
  border-bottom: 1px solid rgba(0,0,0,.06);
  display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
}
@media (prefers-color-scheme: dark){
  .drawer header{ border-bottom-color: rgba(255,255,255,.08); }
}
.drawer header h2{ margin:0; font-size: 16px; }
.drawer header .sub{ margin-top: 4px; font-size: 12px; color: var(--muted); }
.iconbtn{
  border:1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.6);
  border-radius: 12px;
  padding:8px 10px;
  cursor:pointer;
}
@media (prefers-color-scheme: dark){
  .iconbtn{ border-color: rgba(255,255,255,.10); background: rgba(255,255,255,.06); color: #fff; }
}
.drawer main{
  padding: 14px;
  overflow:auto;
}
.kv{ display:grid; grid-template-columns: 110px 1fr; gap:10px; margin: 10px 0; font-size: 13px; }
.kv b{ color: var(--muted); font-weight: 600; }
.badges{ display:flex; gap:8px; flex-wrap: wrap; margin-top: 8px; }
.badge{
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  border:1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.6);
}
@media (prefers-color-scheme: dark){
  .badge{ border-color: rgba(255,255,255,.10); background: rgba(255,255,255,.06); }
}
.badge.male{ border-color: rgba(37,99,235,.35); }
.badge.female{ border-color: rgba(236,72,153,.35); }

.section-title{ margin:16px 0 8px; font-size: 13px; font-weight: 700; letter-spacing: .02em; }
.chips{ display:flex; flex-wrap:wrap; gap:8px; }
.chip{
  display:flex; align-items:center; gap:8px;
  border:1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.65);
  border-radius: 14px;
  padding: 8px 10px;
  cursor:pointer;
  font-size: 12px;
}
@media (prefers-color-scheme: dark){
  .chip{ border-color: rgba(255,255,255,.10); background: rgba(255,255,255,.06); }
}
.dot{ width:10px; height:10px; border-radius: 999px; background: var(--link); }
.dot.male{ background: var(--male); }
.dot.female{ background: var(--female); }

.hint{
  position:absolute; left: 12px; bottom: 12px;
  color: rgba(255,255,255,.76);
  font-size: 12px;
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  padding: 10px 12px;
  backdrop-filter: blur(10px);
  z-index: 20;
  max-width: min(520px, calc(100vw - 24px));
}

.legend{
  display:flex; gap:10px; flex-wrap:wrap; align-items:center;
  margin-top: 8px;
}
.legend .item{ display:flex; gap:8px; align-items:center; }
.legend .line{
  width:18px; height:0; border-top: 2px solid var(--link);
}
.legend .line.spouse{ border-top-color: var(--spouse); border-top-style: dashed; }
.legend .node{ width:10px; height:10px; border-radius: 999px; background: var(--male); }
.legend .node.f{ background: var(--female); }

/* Small screens: drawer as bottom sheet */
@media (max-width: 720px){
  .drawer{
    left: 12px;
    right: 12px;
    width:auto;
    top: auto;
    height: min(70vh, 560px);
    bottom: 12px;
    transform: translateY(calc(100% + 18px));
  }
  .drawer.open{ transform: translateY(0); }
  .brand-title span{ display:none; }
  .pills{ display:none; }
}