/* Moterno design tokens, same values as the VW decoder (public/vw-number-decoder.html)
   and moterno.com: Inter only, warm off-white canvas, charcoal ink, gauge-red accent. */
:root {
  --page-bg: #f7f5f2;
  --surface: #ffffff;
  --surface-alt: #f1f1f1;
  --border: color-mix(in srgb, #1a1a1a 14%, transparent);
  --border-strong: color-mix(in srgb, #1a1a1a 24%, transparent);
  --ink: #1a1a1a;
  --ink-muted: #6b6b6b;
  --accent: #d43a32;
  --accent-600: color-mix(in srgb, #d43a32 70%, black);
  --accent-soft: color-mix(in srgb, #d43a32 10%, white);
  --good: #1a7a4c;
  --good-soft: color-mix(in srgb, #1a7a4c 12%, white);
  --warn: #8a6100;
  --warn-soft: color-mix(in srgb, #8a6100 14%, white);
  --bad: #b42318;
  --bad-soft: color-mix(in srgb, #d92d20 12%, white);
  --radius: 6px;
  --radius-lg: 12px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page-bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
a { color: var(--accent-600); text-underline-offset: 2px; }
a:hover { color: var(--accent); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }

.site-header { border-bottom: 1px solid var(--border); background: var(--surface); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 16px; }
.site-header img { display: block; height: 26px; width: auto; }
.site-nav { display: flex; gap: 20px; font-size: 0.875rem; font-weight: 500; }
.site-nav a { color: var(--ink); text-decoration: none; }
.site-nav a:hover { color: var(--accent); }

h1 { font-size: 2rem; line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; margin: 40px 0 12px; }
h2 { font-size: 1.35rem; line-height: 1.25; font-weight: 700; letter-spacing: -0.01em; margin: 44px 0 12px; }
h3 { font-size: 1rem; font-weight: 700; margin: 0 0 6px; }
p { margin: 0 0 14px; }
.lead { font-size: 1.0625rem; color: var(--ink-muted); max-width: 62ch; }
.crumbs { margin-top: 24px; font-size: 0.8125rem; color: var(--ink-muted); }
.crumbs a { color: var(--ink-muted); }

/* Decoder */
.decoder { margin-top: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.decoder-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.decoder input[type="text"] {
  width: 100%; min-height: 48px; padding: 0 14px; font: 600 1.0625rem/1 var(--font); letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--surface); color: var(--ink);
}
.decoder input::placeholder { color: color-mix(in srgb, var(--ink-muted) 70%, white); font-weight: 500; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px;
  font: 800 0.9375rem var(--font); border-radius: var(--radius); border: 1px solid var(--accent);
  background: var(--accent); color: #fff; text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--accent-600); color: #fff; }
.btn:disabled { opacity: 0.6; cursor: wait; }
.hint { margin: 10px 0 0; font-size: 0.8125rem; color: var(--ink-muted); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; align-items: center; font-size: 0.8125rem; color: var(--ink-muted); }
.chip { font: 600 0.8125rem var(--font); letter-spacing: 0.04em; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink); cursor: pointer; }
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* Result */
#result { margin-top: 18px; }
#result:empty { display: none; }
.banner { padding: 12px 14px; border-radius: var(--radius); font-size: 0.9375rem; margin-bottom: 14px; }
.banner.good { background: var(--good-soft); color: var(--good); }
.banner.warn { background: var(--warn-soft); color: var(--warn); }
.banner.bad { background: var(--bad-soft); color: var(--bad); }
.vehicle-title { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.015em; margin: 4px 0 2px; }
.vehicle-sub { color: var(--ink-muted); margin: 0 0 14px; font-size: 0.9375rem; }
.group-title { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-muted); font-weight: 700; margin: 20px 0 6px; }
dl.facts { margin: 0; display: grid; grid-template-columns: minmax(120px, 190px) 1fr; border-top: 1px solid var(--border); }
dl.facts dt, dl.facts dd { margin: 0; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.9375rem; }
dl.facts dt { color: var(--ink-muted); padding-right: 12px; }
dl.facts dd { font-weight: 600; overflow-wrap: anywhere; }
.pos { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 0.08em; }
.vin-strip { display: flex; flex-wrap: wrap; gap: 2px; margin: 10px 0 4px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-weight: 700; }
.vin-strip span { width: 1.45em; text-align: center; padding: 3px 0; border-radius: 4px; background: var(--surface-alt); }
.vin-strip .s-wmi { background: color-mix(in srgb, var(--accent) 16%, white); }
.vin-strip .s-chk { background: color-mix(in srgb, var(--good) 16%, white); }
.vin-strip .s-yr { background: color-mix(in srgb, var(--warn) 18%, white); }
.cta { margin-top: 22px; padding: 18px; border-radius: var(--radius-lg); background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); }
.cta .btn { width: 100%; }
.cta p { margin: 12px 0 0; font-size: 0.875rem; color: var(--ink-muted); }
.loading { color: var(--ink-muted); }

/* Content */
.tbl { width: 100%; border-collapse: collapse; font-size: 0.9375rem; margin: 8px 0 16px; }
.tbl th, .tbl td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.tbl th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-muted); }
.tbl td.code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-weight: 700; }
.scroll { overflow-x: auto; }
.grid-makes { list-style: none; padding: 0; margin: 12px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.grid-makes a { display: block; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.9375rem; }
.grid-makes a:hover { border-color: var(--accent); color: var(--accent); }
details.faq { border-bottom: 1px solid var(--border); padding: 12px 0; }
details.faq summary { font-weight: 700; cursor: pointer; }
details.faq p { margin: 8px 0 0; }
.note-card { margin-top: 20px; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.note-card p:last-child { margin-bottom: 0; }
ul.plain { padding-left: 20px; margin: 0 0 14px; }
ul.plain li { margin-bottom: 6px; }
.site-footer { margin-top: 56px; border-top: 1px solid var(--border); background: var(--surface); padding: 24px 0 36px; font-size: 0.875rem; color: var(--ink-muted); }
.site-footer p { margin: 0 0 8px; }

@media (max-width: 560px) {
  h1 { font-size: 1.6rem; margin-top: 28px; }
  .decoder { padding: 14px; }
  .decoder-row { grid-template-columns: 1fr; }
  .site-nav { gap: 14px; white-space: nowrap; }
  .site-nav .mk-link { display: none; }
  .site-nav .vw-host { display: none; }
  dl.facts { grid-template-columns: 1fr; }
  dl.facts dt { padding: 8px 0 0; border-bottom: 0; font-size: 0.8125rem; }
  dl.facts dd { padding-top: 2px; }
  .cta .btn { text-align: center; padding: 12px 16px; }
  .vin-strip span { width: 1.3em; font-size: 0.9rem; }
}

.site-nav .vw-arrow { display: none; }
@media (max-width: 560px) { .site-nav .vw-arrow { display: inline; } }

/* Install banner (injected by /vin/install.js) */
.install-banner { position: fixed; left: 16px; right: 16px; top: 16px; z-index: 45; max-width: 420px; margin: 0 auto; display: flex; align-items: flex-start; gap: 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: var(--surface); box-shadow: 0 8px 24px rgba(0,0,0,.14); padding: 14px; }
.install-banner[hidden] { display: none; }
.install-banner-body { flex: 1; min-width: 0; }
.install-banner-title { margin: 0 0 2px; font-weight: 700; font-size: 0.9375rem; }
.install-banner-text { margin: 0 0 10px; font-size: 0.8125rem; color: var(--ink-muted); }
.install-banner-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.install-banner-actions button { font: inherit; font-size: 0.875rem; font-weight: 600; padding: 9px 12px; border-radius: var(--radius); cursor: pointer; border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink); }
.install-banner-actions button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.install-banner-close { border: 0; background: none; font-size: 1.4rem; line-height: 1; cursor: pointer; color: var(--ink-muted); padding: 0 4px; }
.more-tools { margin: 0 0 16px; }
.more-tools h2 { margin: 0 0 6px; font-size: 0.875rem; font-weight: 700; color: var(--ink); }
.more-tools p { margin: 0; line-height: 1.8; }