:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #16181d;
  --muted: #666e7a;
  --line: #e2e5ea;
  --accent: #2f6df6;
  --good: #1a7f4b;
  --ok: #b06a00;
  --poor: #b3261e;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141a;
    --panel: #191c23;
    --ink: #e8eaee;
    --muted: #98a0ac;
    --line: #2a2f39;
    --accent: #6b9bff;
    --good: #4bd08b;
    --ok: #e2a33d;
    --poor: #ff7a70;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 940px; margin: 0 auto; padding: 0 20px; }

.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  margin-bottom: 24px;
}
.topbar h1 { margin: 0; font-size: 22px; letter-spacing: -0.01em; }
.tagline { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 16px; flex-wrap: wrap;
}
.panel-head h2 { margin: 0; font-size: 16px; }
.controls { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; display: flex; flex-direction: column; gap: 4px;
}
.stat .k { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stat .v { font-size: 20px; font-weight: 600; }

/* form */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field.span2 { grid-column: 1 / -1; }
label { font-size: 13px; font-weight: 500; }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 7px; padding: 8px 10px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { resize: vertical; }
.row { display: flex; gap: 8px; }
.row input { flex: 1; }
.hint { margin: 2px 0 0; font-size: 12px; color: var(--muted); }

fieldset { border: 1px solid var(--line); border-radius: var(--radius); margin: 18px 0 0; padding: 14px 16px; }
legend { font-size: 13px; font-weight: 600; padding: 0 6px; }
.checks { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 8px; }
.check { display: flex; align-items: center; gap: 7px; font-weight: 400; font-size: 14px; }
.check input { width: auto; }

.actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; align-items: center; }

button, .filebtn {
  font: inherit; cursor: pointer; border-radius: 7px; padding: 8px 14px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
}
button:hover, .filebtn:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 500; }
button.ghost { background: none; font-size: 13px; padding: 5px 10px; }
button.danger:hover { border-color: var(--poor); color: var(--poor); }

/* listings */
.listings { display: flex; flex-direction: column; gap: 14px; }
.empty { color: var(--muted); margin: 0; }

.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; background: var(--bg); }
.card.dead { opacity: .55; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.card-title { margin: 0; font-size: 16px; }
.card-sub { margin: 4px 0 0; font-size: 13px; color: var(--muted); }

.score { display: flex; align-items: baseline; font-weight: 700; white-space: nowrap; }
.score-num { font-size: 22px; }
.score-max { font-size: 12px; color: var(--muted); margin-left: 1px; }
.score.good .score-num { color: var(--good); }
.score.ok .score-num { color: var(--ok); }
.score.poor .score-num { color: var(--poor); }

.flags { list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.flag { font-size: 12px; padding: 3px 8px; border-radius: 20px; border: 1px solid; }
.flag.bad { color: var(--poor); border-color: var(--poor); }
.flag.warn { color: var(--ok); border-color: var(--ok); }

.pricebox { margin-top: 12px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.price { font-size: 20px; font-weight: 600; }
.pricedelta { font-size: 13px; }
.pricedelta.down { color: var(--good); }
.pricedelta.up { color: var(--poor); }

.breakdown { margin-top: 12px; display: flex; flex-direction: column; gap: 5px; }
.bar { display: grid; grid-template-columns: 140px 1fr 52px; gap: 10px; align-items: center; font-size: 12px; }
.bl { color: var(--muted); }
.bt { background: var(--line); border-radius: 20px; height: 6px; overflow: hidden; }
.bt i { display: block; height: 100%; background: var(--accent); border-radius: 20px; }
.bv { color: var(--muted); text-align: right; }

.card-actions { margin-top: 14px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.link { color: var(--accent); font-size: 13px; }

.history { margin-top: 10px; font-size: 13px; }
.history summary { cursor: pointer; color: var(--muted); }
.history ol { margin: 8px 0 0; padding-left: 20px; color: var(--muted); }

/* out-the-door cost breakdown */
.otd { margin-top: 10px; font-size: 13px; }
.otd summary { cursor: pointer; color: var(--muted); }
.otd-total { font-weight: 600; color: var(--ink); }
.otd-note { font-size: 11px; color: var(--muted); }
.otd-table { width: 100%; max-width: 340px; margin-top: 8px; border-collapse: collapse; font-size: 13px; }
.otd-table td { padding: 3px 0; color: var(--muted); }
.otd-table td.num { text-align: right; color: var(--ink); font-variant-numeric: tabular-nums; }
.otd-table tr:last-child td { border-top: 1px solid var(--line); padding-top: 6px; }

/* market chart */
.chartwrap { overflow-x: auto; }
.chart { width: 100%; min-width: 520px; height: auto; display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 11px; font-family: inherit; }
.chart .axis-title { fill: var(--muted); font-size: 12px; font-family: inherit; }
.chart .fitline { stroke: var(--accent); stroke-width: 2; stroke-dasharray: 6 4; }
.chart .dot { fill: var(--accent); opacity: .55; }
/* online-only sellers (Carvana) — no test drive before buying, so distinguish them */
.chart .dot.online { fill: var(--ok); opacity: .6; }
.chart .dot.mine { fill: var(--good); opacity: 1; stroke: var(--panel); stroke-width: 2; }
.chart .budget { fill: var(--good); opacity: .10; }
.chart .badge { fill: var(--good); font-size: 11px; font-family: inherit; }

.sample { font-size: 12px; padding: 3px 9px; border-radius: 20px; border: 1px solid; }
.sample.ok   { color: var(--good); border-color: var(--good); }
.sample.thin { color: var(--ok);   border-color: var(--ok); }
.sample.poor { color: var(--poor); border-color: var(--poor); }

.readout { margin-top: 14px; }
.statrow { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.statrow > div { display: flex; flex-direction: column; gap: 3px; }
.statrow .k { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.statrow .v { font-size: 17px; font-weight: 600; }
.warn-note { margin: 10px 0 0; font-size: 13px; color: var(--ok); }

.verdict { margin: 4px 0 0; font-size: 14px; }
.verdict.good { color: var(--good); }
.verdict.bad  { color: var(--poor); }

/* monthly payment */
.monthly { font-size: 14px; color: var(--muted); }

/* research notes — the reasoning behind the score */
.notes {
  margin: 12px 0 0; padding: 10px 12px; font-size: 13px; line-height: 1.5;
  color: var(--ink); background: var(--panel); border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
}

/* pre-purchase checklist */
.checks { margin-top: 12px; font-size: 13px; }
.checks summary { cursor: pointer; font-weight: 500; }
.checkcount { color: var(--muted); font-weight: 400; }
.checklist { list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-direction: column; gap: 7px; }
.checklist li { line-height: 1.45; }
.checklist label { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; cursor: pointer; }
.checklist input { margin-top: 3px; width: auto; flex-shrink: 0; }
.checklist input:checked + span { text-decoration: line-through; color: var(--muted); }
/* car-specific items matter more than the boilerplate ones */
.checklist li.specific > label > span { color: var(--ink); }
.checklist li:not(.specific) > label > span { color: var(--muted); }

.breakdown-wrap { margin-top: 12px; font-size: 13px; }
.breakdown-wrap summary { cursor: pointer; color: var(--muted); }
.breakdown-wrap .breakdown { margin-top: 10px; }

.cmp-toggle { font-size: 13px; }

/* compare table */
.tablewrap { overflow-x: auto; }
.cmp { border-collapse: collapse; width: 100%; min-width: 480px; font-size: 13px; }
.cmp th, .cmp td { padding: 7px 10px; text-align: left; border-bottom: 1px solid var(--line); }
.cmp th { font-size: 13px; vertical-align: bottom; }
.cmp th .sub { font-weight: 400; color: var(--muted); font-size: 12px; }
.cmp td.lbl { color: var(--muted); white-space: nowrap; }
.cmp td.best { color: var(--good); font-weight: 600; }

/* comparable value box */
.valuebox {
  margin-top: 12px; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 7px; display: flex; flex-direction: column; gap: 3px; font-size: 13px;
}
.vb-label { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.vb-range { font-size: 16px; font-weight: 600; }
.vb-mid { color: var(--muted); font-size: 12px; }
.vb-verdict { margin-top: 2px; }
.vb-verdict.good { color: var(--good); }
.vb-verdict.bad { color: var(--poor); }
.vb-kbb { margin-top: 4px; }
.vb-kbb a { color: var(--accent); }

/* recalls */
.recalls { margin-top: 12px; font-size: 13px; }
.recalls summary { cursor: pointer; font-weight: 500; }
.recall-count { font-weight: 400; color: var(--muted); }
.recall-count.ok { color: var(--good); }
.recall-count.warn { color: var(--ok); }
.recall-count.bad { color: var(--poor); }
.recall-list { list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-direction: column; gap: 10px; }
.recall-list li { border-left: 2px solid var(--line); padding-left: 10px; }
.rc-head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.rc-id { color: var(--muted); font-size: 11px; }
.rc-flag { font-size: 10px; padding: 2px 6px; border-radius: 20px; border: 1px solid; letter-spacing: .03em; }
.rc-flag.bad { color: var(--poor); border-color: var(--poor); }
.rc-consequence { color: var(--muted); margin-top: 3px; line-height: 1.45; }

.vinlookup {
  margin: 8px 0 12px; padding: 10px 12px; border: 1px solid var(--accent);
  border-radius: 7px; display: flex; flex-direction: column; gap: 7px;
}
.vinlookup.none { border-color: var(--line); }
.vl-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.vl-vin { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; letter-spacing: .02em; }
.vl-links { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; }
.vl-links a { color: var(--accent); }
.vinlookup .hint { margin: 0; }

/* buying guide */
.panel.alert { border-left: 3px solid var(--ok); }
.panel h2 { margin: 0 0 12px; font-size: 16px; }
.panel p { line-height: 1.6; margin: 0 0 12px; }
.panel p:last-child { margin-bottom: 0; }
ul.guide { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 11px; line-height: 1.6; }
ul.guide strong { color: var(--ink); }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

@media (max-width: 560px) {
  .bar { grid-template-columns: 110px 1fr 46px; }
}