:root { color-scheme: light; --ink:#161712; --muted:#5d635b; --line:#d8ddd2; --soft:#f5f7f1; --paper:#fffef8; --accent:#1f6f5b; --warm:#b84d2a; --cold:#3056a3; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; }
a { color: var(--accent); text-decoration-thickness: .08em; text-underline-offset: .18em; }
.topbar { position: sticky; top: 0; z-index: 2; display:flex; justify-content:space-between; align-items:center; gap: 1rem; padding: .8rem clamp(1rem, 4vw, 3rem); background: rgba(255,254,248,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.brand { font-weight: 750; color: var(--ink); text-decoration: none; }
nav { display:flex; gap: 1rem; flex-wrap: wrap; font-size: .92rem; }
main { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 2rem 0 4rem; }
footer { border-top: 1px solid var(--line); color: var(--muted); padding: 1.5rem clamp(1rem, 4vw, 3rem); font-size: .9rem; }
.workspace { display:grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 1.25rem; align-items:start; }
.panel { border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 1rem; }
.hero { display:grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); gap: 1.25rem; align-items:center; margin-bottom: 1.25rem; }
h1 { font-size: clamp(2rem, 4vw, 4.5rem); line-height: .96; letter-spacing: 0; margin: 0 0 1rem; max-width: 980px; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
h3 { font-size: 1rem; margin: 1rem 0 .35rem; }
.lede { font-size: clamp(1.02rem, 1.5vw, 1.22rem); color: var(--muted); max-width: 760px; }
.tag { display:inline-flex; gap:.25rem; align-items:center; padding: .18rem .45rem; border: 1px solid var(--line); border-radius: 999px; background: var(--soft); color: var(--muted); font-size: .78rem; margin: .16rem .16rem .16rem 0; white-space: nowrap; }
.card-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: .8rem; }
.block-card { display:block; min-height: 150px; color: inherit; text-decoration:none; border:1px solid var(--line); border-radius:8px; padding:.9rem; background:#fff; }
.block-card:hover { border-color: var(--accent); box-shadow: 0 4px 18px rgba(31,111,91,.10); }
.block-card strong { display:block; margin-bottom:.35rem; }
.muted { color: var(--muted); }
.claim { font-size: 1rem; }
.claim p { margin: .75rem 0; }
.neighbors { list-style:none; padding:0; margin:0; display:grid; gap:.55rem; }
.neighbors li { border:1px solid var(--line); border-radius:8px; padding:.65rem; }
.edge-type { color: var(--warm); font-size:.78rem; font-weight:700; text-transform:uppercase; letter-spacing:.04em; }
.packet { display:flex; gap:.5rem; flex-wrap:wrap; margin:.75rem 0 0; }
.button { display:inline-flex; min-height:40px; align-items:center; padding:.45rem .75rem; border-radius:7px; background:var(--ink); color:#fff; text-decoration:none; }
.button.secondary { background: var(--soft); color: var(--ink); border:1px solid var(--line); }
.radar { width:100%; max-height: 360px; border:1px solid var(--line); border-radius:8px; background:#fbfcf7; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
pre { overflow:auto; background: var(--soft); border:1px solid var(--line); padding:.8rem; border-radius:8px; }
@media (max-width: 860px) { .workspace, .hero { grid-template-columns: 1fr; } .topbar { align-items:flex-start; flex-direction:column; } }