* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  display: flex;
  flex-direction: column;
}
a { color: var(--link); }
.top {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1rem;
  background: var(--head);
  color: #efe7db;
}
.top h1 { margin: 0; font-size: 0.9rem; letter-spacing: 0.08em; text-transform: uppercase; }
.top a { color: #e8c4b0; font-size: 0.85rem; }
.top input {
  flex: 1;
  max-width: 22rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid #4a433a;
  background: #3a342c;
  color: #fff;
}
.wrap { flex: 1; display: flex; min-height: 0; }
.side {
  width: 15rem;
  padding: 0.85rem;
  border-right: 1px solid var(--line);
  overflow: auto;
  background: #fffdf8;
}
.side label { display: block; margin: 0.35rem 0; font-size: 0.88rem; }
canvas { display: block; flex: 1; background: var(--paper); cursor: grab; }
.detail {
  width: 18rem;
  padding: 1rem;
  border-left: 1px solid var(--line);
  background: #fffdf8;
  overflow: auto;
}
.detail h2 { margin: 0 0 0.4rem; font-size: 1.1rem; }
.detail .meta { color: var(--muted); font-size: 0.82rem; }
.detail ul { padding-left: 1.1rem; }
.swatch { display: inline-block; width: 0.7rem; height: 0.7rem; border-radius: 50%; margin-right: 0.35rem; vertical-align: -1px; }
.person { background: var(--node-person); }
.company { background: var(--node-company); }
.technology { background: var(--node-technology); }
.event { background: var(--node-event); }
.concept { background: var(--node-concept); }