:root {
  --bg: #0f1216; --panel: #171b21; --panel2: #1e232b; --border: #2b323d;
  --text: #e7ebf0; --muted: #9aa5b1; --accent: #4da3ff;
  --wr: #4da3ff; --wr-stub: #3a4756;
  --ch: #f2b94b; --ch-stub: #5a4a2c;
  --seg-edge: #4da3ff; --chg-edge: #f2b94b;
  --lapsed: #e05d5d; --approved: #4dd08a; --withdrawn: #9aa5b1;
  --missing: #c084fc;
}
@media (prefers-color-scheme: light) {
  :root { --bg:#f5f6f8; --panel:#ffffff; --panel2:#eef1f4; --border:#d7dce2;
    --text:#1b2027; --muted:#5b6472; --wr-stub:#c7cfd8; --ch-stub:#e8d6a8; --missing:#8b5cf6; }
}
:root[data-theme="dark"] {
  --bg:#0f1216; --panel:#171b21; --panel2:#1e232b; --border:#2b323d;
  --text:#e7ebf0; --muted:#9aa5b1; --wr-stub:#3a4756; --ch-stub:#5a4a2c; --missing:#c084fc;
}
:root[data-theme="light"] {
  --bg:#f5f6f8; --panel:#ffffff; --panel2:#eef1f4; --border:#d7dce2;
  --text:#1b2027; --muted:#5b6472; --wr-stub:#c7cfd8; --ch-stub:#e8d6a8; --missing:#8b5cf6;
}
* { box-sizing: border-box; }
html, body { margin:0; padding:0; height:100%; background:var(--bg); color:var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; overflow:hidden; }
#app { display:flex; height:100vh; width:100vw; position:relative; }
#sidebar { width:340px; min-width:280px; max-width:45vw; border-right:1px solid var(--border);
  background:var(--panel); display:flex; flex-direction:column; overflow:hidden; }
#main { flex:1; position:relative; overflow:hidden; }
header { padding:12px 14px; border-bottom:1px solid var(--border); }
header h1 { font-size:15px; margin:0 0 8px; font-weight:600; }
header .sub { font-size:11px; color:var(--muted); margin-top:4px; line-height:1.4; }
.filerow { display:flex; gap:6px; align-items:center; }
input[type=file] { font-size:11px; color:var(--text); max-width:100%; }
.toolbar { display:flex; gap:6px; flex-wrap:wrap; padding:8px 14px; border-bottom:1px solid var(--border); }
button { background:var(--panel2); color:var(--text); border:1px solid var(--border);
  border-radius:4px; padding:4px 9px; font-size:11px; cursor:pointer; }
button:hover { border-color:var(--accent); }
.axisbar { display:flex; align-items:center; gap:8px; padding:8px 14px; border-bottom:1px solid var(--border); font-size:11px; }
.axisbar label { color:var(--muted); }
.axisbar select { flex:1; background:var(--panel2); color:var(--text); border:1px solid var(--border);
  border-radius:4px; padding:3px 6px; font-size:11px; cursor:pointer; }
.fg-hint { text-transform:none; letter-spacing:0; font-weight:400; opacity:.75; margin-left:4px; }
.legend { padding:8px 14px; border-bottom:1px solid var(--border); font-size:11px; color:var(--muted); }
.legend .row { display:flex; align-items:center; gap:6px; margin:3px 0; }
.swatch { width:12px; height:12px; border-radius:2px; flex:0 0 auto; }
.line { width:20px; height:0; border-top:2px solid; flex:0 0 auto; }
#filters { border-bottom:1px solid var(--border); font-size:11px; }
#filters > summary { padding:8px 14px; cursor:pointer; color:var(--text); font-weight:600;
  user-select:none; list-style:none; }
#filters > summary::-webkit-details-marker { display:none; }
#filters > summary::before { content:"▸"; color:var(--muted); margin-right:6px; font-size:9px; }
#filters[open] > summary::before { content:"▾"; }
.filter-body { padding:0 14px 10px; display:flex; flex-direction:column; gap:11px; max-height:42vh; overflow:auto; }
.filter-group { display:flex; flex-direction:column; gap:4px; }
.fg-title { color:var(--muted); text-transform:uppercase; letter-spacing:.04em; font-size:10px;
  font-weight:600; display:flex; align-items:center; }
.fg-title .spacer { flex:1; }
.filter-body label { display:flex; align-items:center; gap:6px; cursor:pointer; line-height:1.5; }
.filter-body input[type=checkbox] { margin:0; flex:0 0 auto; }
.filter-body .row { display:flex; align-items:center; }
.filter-body .dash { color:var(--muted); }
.status-list { max-height:150px; overflow:auto; display:flex; flex-direction:column; gap:2px;
  border:1px solid var(--border); border-radius:4px; padding:5px 7px; }
.yr { width:56px; background:var(--panel2); color:var(--text); border:1px solid var(--border);
  border-radius:3px; padding:2px 5px; font-size:11px; }
button.mini { font-size:9px; padding:1px 6px; margin-left:4px; }
.filter-count { color:var(--muted); font-size:10px; }
#detail { flex:1; overflow:auto; padding:12px 14px; font-size:12px; }
#detail h2 { font-size:13px; margin:0 0 6px; }
#detail a.src-link { font-size:11px; color:var(--accent); text-decoration:none; }
#detail a.src-link:hover { text-decoration:underline; }
#detail .kv { display:grid; grid-template-columns: 108px 1fr; gap:2px 8px; margin-bottom:10px; }
#detail .kv .k { color:var(--muted); }
#detail .kv .v { word-break:break-word; }
#detail table { width:100%; border-collapse:collapse; margin:4px 0 10px; font-size:11px; }
#detail table td, #detail table th { border-bottom:1px solid var(--border); padding:3px 4px; text-align:left; vertical-align:top; }
#detail .section-title { font-weight:600; margin:10px 0 4px; color:var(--accent); font-size:11px; text-transform:uppercase; letter-spacing:.04em; }
#detail .empty { color:var(--muted); font-style:italic; }
#detail a.pill { display:inline-block; background:var(--panel2); border:1px solid var(--border);
  border-radius:10px; padding:1px 8px; margin:2px 3px 2px 0; font-size:11px; cursor:pointer; color:var(--text); text-decoration:none; }
#detail a.pill:hover { border-color:var(--accent); }
#graph { display:block; width:100%; height:100%; cursor:grab; touch-action:none; }
#graph.panning { cursor:grabbing; }
#empty-state { position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:var(--muted); font-size:13px; text-align:center; padding:20px; pointer-events:none; }
#status { font-size:11px; color:var(--muted); padding:6px 14px; border-top:1px solid var(--border); margin-top: auto; }
#liveDot { color:var(--approved); }
#liveDot.pulsing { animation: livepulse 1.4s ease-in-out infinite; }
@keyframes livepulse { 0%,100% { opacity:1; } 50% { opacity:.25; } }
#liveRow button#btnPauseLive { font-size:10px; padding:2px 7px; }

#detail-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 420px;
  max-width: 85vw;
  background: var(--panel);
  border-left: 1px solid var(--border);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
}
#detail-panel.open {
  transform: translateX(0);
}
.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.detail-header h3 {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
}
.close-btn {
  background: none !important;
  border: none !important;
  color: var(--muted) !important;
  font-size: 20px !important;
  cursor: pointer;
  padding: 2px 8px !important;
  line-height: 1 !important;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background-color 0.2s;
}
.close-btn:hover {
  color: var(--text) !important;
  background-color: var(--panel2) !important;
}