:root {
  --bg: #0b0f17;
  --panel: #131a26;
  --panel-2: #1a2333;
  --line: #243044;
  --text: #e6edf6;
  --muted: #8497ad;
  --accent: #4da3ff;
  --good: #2ecc71;
  --warn: #f5b942;
  --bad: #ff5c6c;
  --purple: #b07cff;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 70% -10%, #16243b 0%, var(--bg) 55%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
.app { max-width: 1440px; margin: 0 auto; padding: 18px 22px 80px; }
header.top {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  padding-bottom: 14px; border-bottom: 1px solid var(--line); margin-bottom: 18px;
}
header.top h1 { font-size: 21px; margin: 0; letter-spacing: 0.2px; }
header.top .tag { color: var(--muted); font-size: 13px; }
.brandmark { color: var(--accent); }

.grid { display: grid; grid-template-columns: 300px 1fr 372px; gap: 16px; align-items: start; }
@media (max-width: 1120px) { .grid { grid-template-columns: 1fr; } }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.panel h2 { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin: 0 0 12px; }
.panel + .panel { margin-top: 16px; }

label.field { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 5px; }
select {
  width: 100%; padding: 9px 10px; border-radius: 9px; background: var(--panel-2);
  color: var(--text); border: 1px solid var(--line); font: inherit;
}
.vin-row { display: flex; gap: 8px; }
.vin-row input {
  flex: 1; min-width: 0; padding: 9px 10px; border-radius: 9px; background: var(--panel-2);
  color: var(--text); border: 1px solid var(--line); font: inherit;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.vin-row button { white-space: nowrap; }
.vin-result { font-size: 12px; margin-top: 8px; min-height: 16px; }
.vin-result.ok { color: var(--good); }
.vin-result.warn { color: var(--warn); }
.vin-result.bad { color: var(--bad); }
.blurb {
  margin-top: 10px; padding: 10px 12px; background: var(--panel-2); border-radius: 9px;
  font-size: 13px; border-left: 3px solid var(--accent); font-style: italic;
}
button { font: inherit; }
button.primary {
  width: 100%; margin-top: 14px; padding: 11px; border: none; border-radius: 10px;
  background: var(--accent); color: #04121f; font-weight: 700; cursor: pointer;
}
button.primary:hover { filter: brightness(1.08); }
button.ghost {
  padding: 9px 12px; border-radius: 9px; background: transparent; color: var(--text);
  border: 1px solid var(--line); cursor: pointer;
}
button.ghost:hover { background: var(--panel-2); }
button:disabled { opacity: 0.45; cursor: not-allowed; }

.cohort-card { margin-top: 14px; font-size: 13px; }
.cohort-card .row { display: flex; justify-content: space-between; padding: 3px 0; color: var(--muted); }
.cohort-card .row b { color: var(--text); font-weight: 600; }
.flywheel { margin-top: 10px; font-size: 12px; color: var(--good); line-height: 1.4; }

.signals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 680px) { .signals { grid-template-columns: repeat(2, 1fr); } }
.sigcard { background: var(--panel-2); border: 1px solid var(--line); border-radius: 11px; padding: 10px 12px; }
.sigcard .lbl { font-size: 11px; color: var(--muted); display: flex; justify-content: space-between; gap: 6px; }
.sigcard .pid { color: #5e7390; font-family: ui-monospace, monospace; }
.sigcard .val { font-size: 21px; font-weight: 700; margin: 1px 0 2px; font-variant-numeric: tabular-nums; }
.sigcard .val .u { font-size: 11px; color: var(--muted); font-weight: 500; margin-left: 3px; }
.sigcard svg { display: block; width: 100%; height: 26px; }

.diffrow { margin-bottom: 11px; }
.diffrow .head { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; }
.diffrow .head .pct { font-variant-numeric: tabular-nums; color: var(--muted); }
.bar { height: 9px; background: var(--panel-2); border-radius: 6px; overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 6px; transition: width 0.5s ease; background: var(--accent); }
.diffrow.is-top .head { color: #fff; font-weight: 700; }
.diffrow.is-top .bar > i { background: linear-gradient(90deg, var(--accent), #7cc1ff); }

.banner { border-radius: 12px; padding: 14px 16px; margin-bottom: 14px; border: 1px solid var(--line); }
.banner .status { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; opacity: 0.85; }
.banner .headline { font-size: 18px; font-weight: 700; margin: 3px 0 6px; }
.banner .conf { font-size: 13px; color: var(--muted); }
.banner.confident { background: linear-gradient(120deg, #103324, #0d2c30); border-color: #1e6b46; }
.banner.confident_verify, .banner.leaning { background: linear-gradient(120deg, #332a10, #2c2b10); border-color: #6b5a1e; }
.banner.gathering { background: var(--panel-2); }
.banner.inconclusive { background: linear-gradient(120deg, #2a1320, #2a1313); border-color: #6b1e2e; }
.badge {
  display: inline-block; margin-top: 8px; font-size: 11px; font-weight: 700;
  background: var(--purple); color: #16082b; padding: 3px 9px; border-radius: 20px;
}

.rec { background: var(--panel-2); border: 1px dashed var(--accent); border-radius: 12px; padding: 14px; margin-top: 14px; }
.rec .k { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); }
.rec .label { font-size: 16px; font-weight: 700; margin: 4px 0; }
.rec .instr { font-size: 13px; }
.rec .gain { font-size: 12px; color: var(--muted); margin-top: 8px; }
.rec .actions { display: flex; gap: 9px; margin-top: 12px; flex-wrap: wrap; }
.running-note { color: var(--warn); font-size: 13px; display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }

.ev { font-size: 13px; border-top: 1px solid var(--line); padding: 9px 0; }
.ev:first-child { border-top: none; }
.ev .top { display: flex; justify-content: space-between; gap: 8px; }
.ev .val { font-variant-numeric: tabular-nums; color: var(--text); }
.ev .note { color: var(--muted); font-size: 12px; margin-top: 2px; }
.tag-code {
  display: inline-block; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 6px; padding: 1px 7px; font-size: 12px; margin: 0 6px 6px 0; font-family: ui-monospace, monospace;
}
.report .line { font-size: 13px; margin: 7px 0; color: var(--muted); }
.report .line b { color: var(--text); }
.empty { color: var(--muted); font-size: 13px; padding: 26px 0; text-align: center; }
.legend { font-size: 12px; color: var(--muted); line-height: 1.5; }
.legend b { color: var(--text); }
.footnote { color: var(--muted); font-size: 11px; margin-top: 18px; text-align: center; line-height: 1.5; }
.shop-badge {
  margin-left: auto; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 20px; padding: 3px 12px; font-size: 12px; color: var(--good);
}
.tag-code { cursor: pointer; }
.tag-code:hover { background: var(--accent); color: #04121f; }
.dtc-modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 100;
  display: flex; align-items: center; justify-content: center;
}
.dtc-modal-inner {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 24px; max-width: 480px; width: 90%; position: relative;
}
.dtc-close {
  position: absolute; top: 12px; right: 14px; background: none; border: none;
  color: var(--muted); font-size: 16px; cursor: pointer;
}
.dtc-close:hover { color: var(--text); }
.dtc-modal h3 { margin: 0 0 8px; font-size: 18px; }
.dtc-modal .sys { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.dtc-modal .sev-low { color: var(--good); }
.dtc-modal .sev-medium { color: var(--warn); }
.dtc-modal .sev-high { color: var(--bad); }
.dtc-modal ul { margin: 8px 0; padding-left: 18px; }
.dtc-modal li { font-size: 13px; margin-bottom: 4px; }