:root{
  --navy:#0B1F33; --slate:#6B7280; --red:#8B1E1E; --off:#F4F6F8; --charcoal:#1F2933;
  --card:#ffffff; --line:#d8dee7;
}
*{box-sizing:border-box}
body{margin:0;background:var(--off);color:var(--charcoal);font-family:Inter,Arial,sans-serif}
.topbar{height:76px;background:var(--navy);color:white;display:flex;justify-content:space-between;align-items:center;padding:14px 22px;border-bottom:3px solid var(--red)}
.brand{font-weight:800;letter-spacing:.08em;font-size:18px}
.subtitle{color:#cbd5e1;font-size:13px;margin-top:4px}
.controls,.row{display:flex;gap:8px;align-items:center}
button,.fileBtn{border:1px solid #cbd5e1;background:white;color:var(--navy);padding:9px 11px;border-radius:10px;font-weight:700;cursor:pointer}
button:hover,.fileBtn:hover{filter:brightness(.96)}
.danger{border-color:#b91c1c;color:#b91c1c}
.fileBtn input{display:none}
.layout{height:calc(100vh - 76px);display:grid;grid-template-columns:330px 1fr 360px;gap:0}
.panel{background:white;border-right:1px solid var(--line);padding:16px;overflow:auto}
.right{border-right:0;border-left:1px solid var(--line)}
h2{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--navy);margin:12px 0}
h3{font-size:13px;color:var(--navy);margin:8px 0 4px;letter-spacing:.03em}
label{display:block;font-size:12px;color:var(--slate);font-weight:700;margin:12px 0 6px}
input,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px;font:inherit;background:#fbfdff}
textarea{height:210px;resize:vertical}
.graphWrap{position:relative;overflow:hidden}
#graph{width:100%;height:100%;display:block;background:radial-gradient(circle at center,rgba(255,255,255,.98) 0%,rgba(244,246,248,.98) 55%,rgba(231,236,243,.98) 100%);cursor:grab;touch-action:none}
#graph:active{cursor:grabbing}

/* ── Legend ── */
.legend{
  position:absolute;left:14px;bottom:14px;
  background:rgba(255,255,255,.93);border:1px solid var(--line);border-radius:14px;
  padding:10px 12px;display:flex;flex-direction:column;gap:6px;
  font-size:11px;box-shadow:0 4px 14px rgba(11,31,51,.07);
}
.legendNodes,.legendEdges{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.legendEdges{border-top:1px solid var(--line);padding-top:6px}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:4px;vertical-align:middle}
.dot.case{background:#0B1F33}
.dot.person{background:#8B1E1E}
.dot.org{background:#4b5563}
.dot.country{background:#2563eb}
.dot.claim{background:#047857}
.edgeDot{display:inline-block;width:22px;height:0;border-top:2px dashed;margin-right:4px;vertical-align:middle}
.edgeDot.published{border-color:rgba(4,120,87,.85)}
.edgeDot.amplified{border-color:rgba(37,99,235,.85)}
.edgeDot.moderated{border-color:rgba(107,114,128,.85)}
.edgeDot.sanctioned{border-color:rgba(139,30,30,.85)}
.edgeDot.denied{border-color:rgba(180,83,9,.85)}
.edgeDot.targeted{border-color:rgba(124,58,237,.85)}

/* ── Toolbar ── */
.graphToolbar{
  position:absolute;left:14px;top:14px;z-index:5;
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:14px;
  padding:9px 10px;display:flex;gap:10px;align-items:center;
  box-shadow:0 8px 22px rgba(11,31,51,.08);
}
.graphToolbar span{font-size:12px;color:var(--slate);font-weight:700}
.graphToolbar button{font-size:12px;padding:5px 11px;border-radius:8px}
.zoomLabel{min-width:36px;text-align:right;font-variant-numeric:tabular-nums;opacity:.7}

/* ── Left panel items ── */
.caseHint{font-size:12px;color:var(--slate);line-height:1.4;margin:-2px 0 8px}
.caseItem{
  border:1px solid var(--line);border-radius:12px;padding:10px;
  padding-right:42px;margin:8px 0;cursor:pointer;background:#fbfdff;position:relative;
}
.caseItem.active{border-color:var(--red);box-shadow:0 0 0 2px rgba(139,30,30,.08)}
.caseItem b{display:block;color:var(--navy)}
.caseItem span{font-size:12px;color:var(--slate)}
.caseItem .removeCase{
  position:absolute;top:8px;right:8px;width:26px;height:26px;border-radius:999px;
  padding:0;line-height:1;border-color:#fecaca;color:#991b1b;background:#fff7f7;
}
.caseItem .removeCase:hover{background:#fee2e2}
/* ── General Filters section ── */
.filterHint{font-size:12px;color:var(--slate);line-height:1.4;margin:-4px 0 10px}

.filters{display:flex;flex-direction:column;gap:4px}
.filters .filterItem{
  display:flex;align-items:center;gap:9px;
  padding:8px 10px;border-radius:10px;
  border:1px solid transparent;
  cursor:pointer;color:var(--charcoal);font-size:13px;font-weight:500;
  transition:background .12s,border-color .12s;
  min-height:36px;user-select:none;
}
.filters .filterItem:hover{background:#f4f6f8;border-color:var(--line)}
.filters .filterItem input[type=checkbox]{
  width:15px;height:15px;flex-shrink:0;accent-color:var(--navy);cursor:pointer;
}
.filters .filterItem .dot{
  width:10px;height:10px;border-radius:50%;flex-shrink:0;
}

/* ── Right panel: node details ── */
.details{border:1px solid var(--line);border-radius:12px;background:#fbfdff;padding:12px;line-height:1.45;font-size:13px}
.muted{color:var(--slate)}
.nodeHeader{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:6px}
.type{
  display:inline-block;border-radius:999px;background:#eef2f7;color:#0B1F33;
  padding:3px 8px;font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;
}

/* Confidence bar */
.confBar{
  display:inline-block;height:6px;border-radius:3px;background:#2563eb;
  vertical-align:middle;min-width:4px;
}
.confPct{font-size:11px;color:var(--slate);font-weight:700}

/* Classification badge */
.classBadge{
  display:inline-block;border-radius:999px;padding:2px 7px;font-size:10px;font-weight:800;
  letter-spacing:.05em;text-transform:uppercase;
}
.classBadge.false{background:#fee2e2;color:#991b1b}
.classBadge.disputed{background:#fef3c7;color:#92400e}
.classBadge.misleading{background:#fef3c7;color:#92400e}
.classBadge.verified{background:#d1fae5;color:#065f46}
.classBadge.unverified{background:#f1f5f9;color:#475569}

/* Alias line */
.aliasLine{font-size:11px;margin:2px 0 8px;font-style:italic}

/* Evidence block */
.evidenceBlock{
  border:1px solid var(--line);border-radius:8px;padding:6px 8px;margin:8px 0;font-size:12px;
}
.evidenceBlock summary{font-weight:700;color:var(--navy);cursor:pointer;font-size:11px;text-transform:uppercase;letter-spacing:.04em}
.evidenceQuote{
  border-left:3px solid var(--line);margin:6px 0;padding:4px 8px;
  color:#374151;font-size:12px;line-height:1.4;
}
.evidenceQuote .muted{font-weight:700;font-style:normal}

/* Overlap blocks */
.overlapBlock{border-top:1px solid var(--line);margin-top:10px;padding-top:10px}
.overlapItem{border:1px solid var(--line);background:white;border-radius:10px;padding:9px;margin:8px 0}
.overlapItem b{color:var(--navy);font-size:12px}
.reason{color:#374151;font-size:12px;margin-top:4px;line-height:1.35}

/* Relationship groups */
.relGroup{margin:6px 0 10px}
.relGroupLabel{
  font-size:10px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;
  margin-bottom:4px;
}
.relItem{
  border:1px solid var(--line);border-radius:8px;padding:7px 9px;margin:4px 0;background:white;font-size:12px;
}
.relDir{font-weight:800;color:var(--navy);margin-right:4px}
.relEvidence{font-size:11px;margin-top:4px;font-style:italic;line-height:1.35}
.relCase{font-size:10px;margin-top:2px;color:var(--slate)}

/* ── Debug / Inspector Panel ── */
.debugPanel{
  border:1px solid var(--line);border-radius:10px;margin-top:14px;
  padding:8px 12px;font-size:12px;background:#fbfdff;
}
.debugPanel summary{
  font-weight:800;color:var(--navy);cursor:pointer;
  letter-spacing:.05em;font-size:11px;text-transform:uppercase;
}
.debugPanel h4{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--navy);margin:10px 0 5px}
.debugTable{
  width:100%;border-collapse:collapse;margin-top:4px;font-size:11px;
}
.debugTable th{
  text-align:left;color:var(--slate);padding:3px 4px;
  border-bottom:1px solid var(--line);font-size:10px;text-transform:uppercase;letter-spacing:.04em;
}
.debugTable td{padding:3px 4px;border-bottom:1px solid #f0f2f5;vertical-align:top}
.typeBadge{
  display:inline-block;padding:1px 5px;border-radius:999px;font-size:10px;font-weight:800;
  text-transform:uppercase;letter-spacing:.04em;
}
.typeBadge.person{background:#fce7e7;color:#8B1E1E}
.typeBadge.org{background:#f1f3f5;color:#4b5563}
.typeBadge.country{background:#dbeafe;color:#1d4ed8}
.typeBadge.claim{background:#d1fae5;color:#065f46}
.typeBadge.case{background:#e0e7ef;color:#0B1F33}
.relBadge{
  display:inline-block;padding:1px 5px;border-radius:4px;font-size:10px;
  background:#eef2f7;color:var(--navy);font-weight:700;
}
.dropped{color:#991b1b;margin-bottom:3px}

/* ── Responsive ── */
@media(max-width:1000px){
  .layout{grid-template-columns:1fr}
  .panel{height:auto}
  .graphWrap{height:70vh}
  .topbar{height:auto;gap:10px;flex-direction:column;align-items:flex-start}

  /* Larger tap targets and clearer labels on mobile */
  .filters .filterItem{
    padding:12px 10px;font-size:14px;min-height:44px;
  }
  .filters .filterItem input[type=checkbox]{
    width:18px;height:18px;
  }
  .filters .filterItem .dot{width:12px;height:12px}
  .filterHint{font-size:13px}
}