:root {
  --bg: #0b1020;
  --panel: #131a2e;
  --panel-2: #1a2340;
  --line: #26304d;
  --text: #e6ebf7;
  --muted: #93a0bf;
  --accent: #5eead4;
  --accent-2: #a78bfa;
  --warn: #fbbf24;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
html { background: #0b1020; }  /* no white band when the page over-scrolls */
body {
  background: radial-gradient(1200px 600px at 20% -10%, #1b2545 0%, var(--bg) 60%) fixed;
  color: var(--text);
  font: 15px/1.55 "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--panel-2); padding: 1px 5px; border-radius: 5px; font-size: .9em; }

header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 18px 24px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  background: conic-gradient(from 200deg, var(--accent), var(--accent-2), var(--warn), var(--accent));
}
h1 { font-size: 19px; margin: 0; letter-spacing: -.01em; }
.brand p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
nav { display: flex; gap: 18px; font-size: 14px; }

.toolbar {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: end;
  padding: 14px 24px; border-bottom: 1px solid var(--line); background: rgba(19,26,46,.6);
}
.toolbar label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--muted); }
.toolbar .grow { flex: 1; min-width: 180px; }
.toolbar .check { flex-direction: row; align-items: center; gap: 7px; font-size: 13px; color: var(--text); padding-bottom: 8px; }
select, input, button {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; font: inherit; font-size: 14px;
}
button { cursor: pointer; }
button:hover { border-color: var(--accent); }
.hint {
  display: inline-grid; place-items: center; width: 16px; height: 16px; border-radius: 50%;
  background: var(--panel-2); border: 1px solid var(--line); font-size: 11px; color: var(--muted); cursor: help;
}

main { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 0;
  height: calc(100vh - var(--chrome, 180px)); min-height: 520px; }
#canvas { position: relative; }
#graph { width: 100%; height: 100%; display: block; cursor: grab; }
#graph:active { cursor: grabbing; }
#loading { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); }
#legend {
  position: absolute; left: 16px; bottom: 16px; display: flex; flex-wrap: wrap; gap: 6px 14px;
  max-width: 70%; font-size: 12px; color: var(--muted);
}
#legend span { display: flex; align-items: center; gap: 6px; cursor: pointer; }
#legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
#legend .off { opacity: .35; }
#tip {
  position: absolute; pointer-events: none; z-index: 5; max-width: 260px;
  background: #0d1428f2; border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 10px; font-size: 12.5px; box-shadow: 0 10px 30px #0008;
}
#tip b { display: block; margin-bottom: 3px; font-size: 13.5px; }

aside { overflow-y: auto; border-left: 1px solid var(--line); padding: 16px; display: flex; flex-direction: column; gap: 14px; background: rgba(11,16,32,.55); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.card h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 10px; }
.muted { color: var(--muted); }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 10px; }
.stat { background: var(--panel-2); border-radius: 9px; padding: 8px 10px; }
.stat b { display: block; font-size: 17px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 11px; color: var(--muted); }
.src { margin: 10px 0 0; font-size: 12px; color: var(--muted); }

#findings ul { margin: 0; padding-left: 0; list-style: none; display: grid; gap: 10px; }
#findings li { font-size: 13px; border-left: 2px solid var(--accent); padding-left: 10px; }
#findings .q { display: block; color: var(--muted); font-size: 11.5px; margin-bottom: 2px; }
#findings em { color: var(--accent); font-style: normal; font-weight: 600; cursor: pointer; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
td { padding: 5px 4px; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: 0; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--panel-2); }
td.n { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); }
td.rank { color: var(--muted); width: 22px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-right: 7px; }
.badge { font-size: 10px; padding: 1px 6px; border-radius: 20px; border: 1px solid; margin-left: 6px; vertical-align: 1px; }
.badge.sig { color: var(--accent); border-color: #2b6f66; background: #0e2b28; }
.badge.ns { color: var(--muted); border-color: var(--line); }

#detail table td:first-child { color: var(--muted); }
#detail h3 { margin: 0 0 4px; font-size: 16px; }
#detail .sub { color: var(--muted); font-size: 12px; margin: 0 0 10px; }

#method { padding: 34px 24px; border-top: 1px solid var(--line); }
#method h2 { font-size: 18px; margin: 0 0 18px; }
#method .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
#method article { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
#method h3 { margin: 0 0 6px; font-size: 14px; color: var(--accent); }
#method p { margin: 0; font-size: 13.5px; color: #c5cfe6; }
#method .note { margin-top: 16px; font-size: 13px; color: var(--muted); max-width: 70ch; }
footer { padding: 20px 24px 40px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); }

@media (max-width: 900px) {
  main { grid-template-columns: 1fr; height: auto; }
  #canvas { height: 62vh; }
  aside { overflow: visible; }
  aside { border-left: 0; border-top: 1px solid var(--line); }
}
#loading[hidden] { display: none; }