:root{--bg:#0f1216;--panel:#161b22;--panel-2:#1b2129;--line:#262e38;--line-soft:#1f262e;--text:#dbe3ec;--text-dim:#8b97a6;--text-faint:#646f7d;--accent:#4ea8ff;--role-ground:#6d7887;--role-input:#ffb545;--role-coupler:#4fc3f7;--role-output:#6ee7a0;--role-member:#94a3b3;--traced:#ff5ec8;--danger:#ff6b6b;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Inter,Segoe UI,system-ui,sans-serif;font-size:13px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);overflow:hidden}.mono{font-variant-numeric:tabular-nums;font-family:JetBrains Mono,Cascadia Mono,ui-monospace,monospace}.app{grid-template-rows:auto 1fr auto;height:100%;display:grid}.topbar{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:20px;padding:8px 14px;display:flex}.brand{align-items:center;gap:10px;display:flex}.brand-mark{color:var(--accent);font-size:22px}.brand 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