:root {
  --bg: #0f1419; --panel: #1a2027; --panel2: #222b35; --ink: #e6edf3;
  --muted: #8b98a5; --line: #30363d; --accent: #4493f8;
  --plus: #3fb950; --minus: #f85149; --unknown: #8b949e; --const: #d29922;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--ink);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
header { display: flex; align-items: baseline; gap: 12px; padding: 10px 16px;
  background: var(--panel); border-bottom: 1px solid var(--line); }
header h1 { margin: 0; font-size: 20px; letter-spacing: .5px; color: var(--accent); }
.tagline { color: var(--muted); font-size: 13px; }
.stats { margin-left: auto; color: var(--muted); font-size: 12px; }
.version { color: var(--muted); font-size: 12px; padding: 1px 7px; border: 1px solid var(--line);
  border-radius: 10px; white-space: nowrap; }
.version a { color: var(--accent); text-decoration: none; }
#app { display: grid; grid-template-columns: 270px 1fr 320px; height: calc(100% - 49px); }
#controls, #detail { background: var(--panel); overflow-y: auto; padding: 12px;
  border-right: 1px solid var(--line); }
#detail { border-right: none; border-left: 1px solid var(--line); }
#cy { background: radial-gradient(circle at 40% 30%, #131a22, #0d1117); }
section { margin-bottom: 16px; }
label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--muted); margin-bottom: 6px; }
select, input[type=text] { width: 100%; background: var(--panel2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; font-size: 13px; }
.chk { display: flex; align-items: center; gap: 7px; text-transform: none; letter-spacing: 0;
  color: var(--ink); font-size: 13px; margin-bottom: 5px; }
.chk input { accent-color: var(--accent); }
.mini { float: right; margin-left: 6px; background: var(--panel2); color: var(--muted);
  border: 1px solid var(--line); border-radius: 5px; font-size: 11px; cursor: pointer; }
#systems label, #sources label { display: flex; align-items: center; gap: 7px; text-transform: none;
  letter-spacing: 0; color: var(--ink); font-size: 12.5px; margin-bottom: 4px; }
#systems .swatch, #sources .swatch { width: 11px; height: 11px; border-radius: 3px; flex: none; }
.muted { color: var(--muted); font-size: 12px; margin-top: 6px; }
.legend div { display: flex; align-items: center; gap: 8px; font-size: 12.5px; margin: 3px 0; }
.legend .e { width: 22px; height: 0; border-top: 3px solid; }
.legend .e.plus { border-color: var(--plus); }
.legend .e.minus { border-color: var(--minus); }
.legend .e.unknown { border-color: var(--unknown); }
.legend .e.production { border-top: 3px dotted #39c5bb; }
.legend .e.const { border-top: 3px dashed var(--const); }
.legend .e.quantitative { border-top: 3px dotted #58a6ff; }
.legend .e.modul { border-top: 3px dashed #d2a8ff; }
.legend .dot { width: 13px; height: 13px; border-radius: 50%; flex: none; }
.dot.up { background: var(--plus); } .dot.down { background: var(--minus); }
.dot.amb { background: var(--unknown); } .dot.doo { background: var(--accent); }
.dot.none { background: #2d333b; border: 1px solid var(--line); }
#detail h2 { font-size: 16px; margin: 0 0 4px; color: var(--ink); word-break: break-word; }
#detail .badge { display: inline-block; font-size: 11px; padding: 2px 7px; border-radius: 10px;
  background: var(--panel2); color: var(--muted); margin: 2px 4px 6px 0; }
#detail a { color: var(--accent); text-decoration: none; }
#detail a:hover { text-decoration: underline; }
#detail .edge { border-top: 1px solid var(--line); padding: 6px 0; font-size: 13px; }
#detail .sign { font-weight: 700; padding: 0 5px; border-radius: 4px; }
.sign.plus { color: var(--plus); } .sign.minus { color: var(--minus); } .sign.unknown { color: var(--unknown); }
#detail .small { color: var(--muted); font-size: 12px; }
.placeholder { color: var(--muted); margin-top: 20px; }

/* ---- ranked search results dropdown ---- */
.results { margin-top: 6px; display: none; }
.results.open { display: block; }
.results .r { display: block; width: 100%; text-align: left; cursor: pointer; padding: 5px 7px;
  border: 1px solid var(--line); border-radius: 6px; margin-bottom: 4px; background: var(--panel2);
  color: var(--ink); font-size: 12.5px; }
.results .r:hover, .results .r.active { border-color: var(--accent); background: #1b2733; }
.results .r .rl { font-weight: 600; }
.results .r .rm { color: var(--muted); font-size: 11px; margin-top: 1px; }
.results .r .sw { display: inline-block; width: 9px; height: 9px; border-radius: 2px;
  margin-right: 5px; vertical-align: middle; }
.results .more { color: var(--muted); font-size: 11px; padding: 2px; }
.results .none { color: var(--muted); font-size: 12px; padding: 4px 2px; }

/* button used inline (focus) without the float:right of .mini */
.btn-inline { background: var(--panel2); color: var(--muted); border: 1px solid var(--line);
  border-radius: 5px; font-size: 11px; cursor: pointer; padding: 2px 7px; }
.btn-inline:hover { border-color: var(--accent); color: var(--ink); }

/* multi-node knockout clamp chips */
.ko-targets { display: flex; flex-wrap: wrap; gap: 5px; margin: 2px 0 6px; }
.ko-targets:empty { margin: 0; }
.ko-chip { display: inline-flex; align-items: center; gap: 5px; font-size: 11px;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 2px 7px; }
.ko-chip.up { border-color: #3fb950; }
.ko-chip.down { border-color: #f85149; }
.ko-chip .x { cursor: pointer; color: var(--muted); font-weight: 700; }
.ko-chip .x:hover { color: #f85149; }