:root {
  --bg: #0a0e14;
  --panel: rgba(14, 19, 28, 0.92);
  --card: rgba(16, 22, 32, 0.9);
  --line: rgba(255, 255, 255, 0.08);
  --text: #e8eef6;
  --muted: #8a97a8;
  --metro: #e03a3a;
  --bbb: #2e9bff;
  --accent: #4be0a0;
  --warn: #f5b942;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  min-height: 100%;
}

/* ---------- topbar ---------- */
#topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 26px;
  background: rgba(8, 11, 16, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(75, 224, 160, 0.18), 0 0 16px rgba(75, 224, 160, 0.7);
  animation: pulse 2.4s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
.brand h1 { margin: 0; font-size: 18px; letter-spacing: 0.3px; font-weight: 650; }
.brand p { margin: 2px 0 0; font-size: 12.5px; color: var(--muted); letter-spacing: 0.2px; }
.top-right { display: flex; align-items: center; gap: 16px; }
.refresh {
  font-size: 11px; color: var(--accent); letter-spacing: 0.6px;
  border: 1px solid rgba(75, 224, 160, 0.35); border-radius: 999px; padding: 4px 11px;
}
.refresh.tick { background: rgba(75, 224, 160, 0.14); }
#clock { font-variant-numeric: tabular-nums; font-size: 13px; color: var(--muted); letter-spacing: 1px; }

/* ---------- layout ---------- */
#app { max-width: 1080px; margin: 0 auto; padding: 24px 26px 60px; }

/* contrast strip */
.contrast {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px;
  margin-bottom: 22px;
}
.contrast-col { border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; background: var(--card); }
.contrast-col .tag { font-size: 11px; text-transform: uppercase; letter-spacing: 1.6px; color: var(--muted); }
.contrast-col.now .tag { color: var(--accent); }
.contrast-col p { margin: 7px 0 0; font-size: 13.5px; line-height: 1.5; color: var(--text); }
.contrast-col.then { opacity: 0.72; }
.contrast-arrow { font-size: 22px; color: var(--muted); }

/* query bar */
.query {
  border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; background: var(--card);
  margin-bottom: 22px;
}
.query-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.q-label { font-size: 13px; font-weight: 600; letter-spacing: 0.3px; }
.prompts { display: flex; flex-wrap: wrap; gap: 9px; }
.prompt {
  background: rgba(255,255,255,0.04); color: var(--text);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 15px; font-size: 13px; cursor: pointer;
  transition: background .15s, border-color .15s, transform .1s;
}
.prompt:hover { background: rgba(255,255,255,0.08); border-color: rgba(75,224,160,0.4); }
.prompt:active { transform: scale(0.97); }
.prompt.active { border-color: var(--accent); color: var(--accent); }
.answer {
  margin-top: 13px; font-size: 13.5px; line-height: 1.55;
  background: rgba(75, 224, 160, 0.08); border-left: 3px solid var(--accent);
  padding: 12px 14px; border-radius: 8px;
}
.answer b { color: var(--accent); }

/* ---------- cards grid ---------- */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px; box-shadow: 0 14px 40px rgba(0,0,0,0.35);
}
.card.span2 { grid-column: 1 / -1; }
.card.flash { animation: flash 1.1s ease; }
@keyframes flash { 0% { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(75,224,160,0.4); } 100% { border-color: var(--line); } }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.card-head h2 { margin: 0; font-size: 16px; font-weight: 640; letter-spacing: 0.2px; }
.card .sub { margin: 0 0 16px; font-size: 13px; color: var(--muted); line-height: 1.45; }
.mini { font-size: 11px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--muted); margin: 16px 0 9px; display: flex; align-items: center; gap: 8px; }

/* badges */
.badge { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; padding: 3px 8px; border-radius: 999px; border: 1px solid var(--line); white-space: nowrap; }
.badge.real { color: var(--accent); border-color: rgba(75,224,160,0.4); background: rgba(75,224,160,0.08); }
.badge.sim { color: var(--warn); border-color: rgba(245,185,66,0.4); background: rgba(245,185,66,0.08); }
.badge.mixed { color: #b9a7ff; border-color: rgba(160,140,255,0.4); background: rgba(160,140,255,0.08); }
.badge.preview { color: #b9a7ff; border-color: rgba(160,140,255,0.4); background: rgba(160,140,255,0.08); }
.badge.sm { font-size: 9px; padding: 2px 6px; }

/* coverage card */
.cov-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; }
#map { height: 340px; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); }
.maplibregl-canvas { filter: saturate(0.6) brightness(0.9); }
.maplibregl-ctrl-attrib { font-size: 9px; opacity: 0.45; }
.cov-side { display: flex; flex-direction: column; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.stat { background: rgba(255,255,255,0.04); border: 1px solid var(--line); border-radius: 10px; padding: 11px 6px; text-align: center; }
.stat .num { display: block; font-size: 22px; font-weight: 680; font-variant-numeric: tabular-nums; letter-spacing: -0.5px; }
.stat .lbl { display: block; font-size: 10px; color: var(--muted); margin-top: 4px; line-height: 1.2; }
.gap-list { margin: 0; padding-left: 18px; font-size: 12.5px; line-height: 1.5; color: var(--text); }
.gap-list li { margin-bottom: 6px; }
.gap-list .d { color: var(--warn); font-variant-numeric: tabular-nums; }

/* dedup card */
.collapse-figure { display: flex; align-items: center; justify-content: center; gap: 18px; margin: 6px 0 14px; }
.cf-side { text-align: center; }
.cf-side .num { display: block; font-size: 34px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -1px; }
.cf-side.accent .num { color: var(--accent); }
.cf-side .lbl { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }
.cf-arrow { font-size: 26px; color: var(--muted); }
.insight {
  font-size: 13.5px; line-height: 1.5; background: rgba(75,224,160,0.08);
  border-left: 3px solid var(--accent); padding: 11px 13px; border-radius: 8px; margin: 0 0 16px;
}
.insight b { color: var(--accent); }
.bars { display: flex; flex-direction: column; gap: 10px; }
.bar-row { font-size: 12.5px; }
.bar-row .bar-top { display: flex; justify-content: space-between; margin-bottom: 4px; }
.bar-row .bar-top .v { color: var(--muted); font-variant-numeric: tabular-nums; }
.bar-track { height: 8px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 999px; }

/* service card */
.service-rows { display: flex; flex-direction: column; gap: 12px; }
.svc { border: 1px solid var(--line); border-radius: 10px; padding: 12px 13px; }
.svc-top { display: flex; align-items: center; gap: 9px; margin-bottom: 9px; }
.svc-top .swatch { width: 11px; height: 11px; border-radius: 50%; }
.svc-top .name { font-size: 13.5px; font-weight: 600; }
.svc-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.svc-metrics .m { text-align: center; }
.svc-metrics .m .v { display: block; font-size: 18px; font-weight: 660; font-variant-numeric: tabular-nums; }
.svc-metrics .m .k { display: block; font-size: 10px; color: var(--muted); margin-top: 2px; }
.spark { width: 100%; height: 70px; }
.spark path.line { fill: none; stroke: var(--accent); stroke-width: 2; }
.spark path.area { fill: rgba(75,224,160,0.12); stroke: none; }
.spark circle { fill: var(--accent); }
.spark text { fill: var(--muted); font-size: 8px; }

/* report card */
.report-body { display: flex; flex-direction: column; gap: 11px; }
.report-line { font-size: 14px; line-height: 1.55; padding-left: 14px; border-left: 2px solid var(--line); }
.report-line.sim { border-left-color: var(--warn); }
.report-line .simtag { color: var(--warn); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; margin-right: 6px; }
.report-line b { color: var(--accent); }

/* footer */
.foot { margin-top: 26px; font-size: 11.5px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.foot a { color: var(--bbb); text-decoration: none; }
.foot a:hover { text-decoration: underline; }
.foot .sep { opacity: 0.5; }

/* popup */
.cov-popup .maplibregl-popup-content { background: #0e131c; color: var(--text); border: 1px solid var(--line); border-radius: 8px; font-size: 12px; padding: 8px 11px; }
.cov-popup .maplibregl-popup-tip { border-top-color: #0e131c; border-bottom-color: #0e131c; }
.cov-popup strong { color: var(--accent); }

/* responsive */
@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
  .card.span2 { grid-column: auto; }
  .cov-layout { grid-template-columns: 1fr; }
  .contrast { grid-template-columns: 1fr; }
  .contrast-arrow { display: none; }
  .brand h1 { font-size: 16px; }
}