:root {
  --ink: #16150F;
  --paper: #FFFFFF;
  --panel: #F5F4F0;
  --line: #E7E3DB;
  --line-strong: #D5CFC1;
  --muted: #8B8578;
  --muted-2: #A8A296;
  --green: #157A4A;
  --red: #C0271B;
  --green-soft: #157A4A14;
  --red-soft: #C0271B14;

  --display: "Inter Tight", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1080px;
  --gap: clamp(16px, 4vw, 40px);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gap); }

/* ---- Header ---- */
.site-head {
  border-bottom: 1px solid var(--line);
  padding: clamp(22px, 5vw, 40px) 0 clamp(18px, 4vw, 30px);
}
.wordmark {
  font-weight: 700;
  font-size: clamp(30px, 7vw, 48px);
  letter-spacing: -0.03em;
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
}
.wordmark .dot {
  color: var(--ink);
  margin-left: 0.06em;
  animation: blink 2.2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.18; }
}
.tagline {
  margin-top: 10px;
  color: var(--muted);
  font-size: clamp(14px, 2.4vw, 16px);
  max-width: 46ch;
}
.tagline em { font-style: italic; color: var(--ink); }

.head-meta {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.head-meta .sample-flag { color: var(--red); }

/* ---- Board ---- */
.board { padding-top: clamp(20px, 4vw, 34px); padding-bottom: 80px; }

.board-head {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.3fr 1.2fr;
  gap: 18px;
  padding: 0 20px 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.board-head span:nth-child(n+2) { text-align: right; }

.row {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.3fr 1.2fr;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border-top: 1px solid var(--line);
  background: transparent;
  transition: background 120ms ease;
  cursor: pointer;
}
.row:last-child { border-bottom: 1px solid var(--line); }
.row:hover { background: var(--panel); }

.piece .brand {
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.piece .model { color: var(--muted); font-size: 14px; margin-top: 2px; }

.num { font-family: var(--mono); text-align: right; }
.cote-val {
  font-weight: 500;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.cote-val .cur { color: var(--muted-2); font-size: 13px; margin-right: 2px; }

/* spread bar */
.spread { text-align: right; }
.spread-bar {
  position: relative;
  height: 3px;
  background: var(--line-strong);
  border-radius: 2px;
  margin: 8px 0 6px;
}
.spread-bar .mid {
  position: absolute;
  top: -3px;
  width: 2px;
  height: 9px;
  background: var(--ink);
  transform: translateX(-1px);
}
.spread-nums {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
}

.best { text-align: right; }
.best .price { font-family: var(--mono); font-weight: 500; font-size: 15px; }

/* verdict chip */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  padding: 3px 8px;
  border-radius: 2px;
  margin-top: 6px;
  white-space: nowrap;
}
.chip.deal { color: var(--green); background: var(--green-soft); }
.chip.over { color: var(--red); background: var(--red-soft); }
.chip.fair { color: var(--muted); background: #0000000a; }
.chip.unknown { color: var(--muted-2); background: #0000000a; }
.chip .delta { opacity: 0.75; }

.conf {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: 4px;
}
.conf.low { color: var(--red); }

/* ---- Detail ---- */
.detail { padding: 0 0 90px; }

/* Dark quote hero — full-bleed, echoes the brand's card language */
.hero {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(20px, 4vw, 32px) 0 clamp(30px, 5vw, 48px);
}
.hero-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gap); }
.hero-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: clamp(28px, 5vw, 48px);
}
.back {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--muted-2);
}
.hero .back:hover { color: var(--paper); }
.hero-mark {
  font-family: var(--display); font-weight: 700; font-size: 18px;
  letter-spacing: -0.03em; color: var(--paper);
  display: inline-flex; align-items: baseline;
}
.hero-mark .dot { color: var(--paper); margin-left: 0.06em; animation: blink 2.2s ease-in-out infinite; }

.hero-eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted-2);
}
.hero-title {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(36px, 8.5vw, 76px); letter-spacing: -0.035em; line-height: 0.96;
  margin: 12px 0 0;
}
.hero-blurb { color: #CBC5B8; margin: 16px 0 0; max-width: 50ch; font-size: 15px; }

.hero-quote {
  display: flex; flex-wrap: wrap; align-items: flex-end;
  justify-content: space-between; gap: 26px 48px;
  margin-top: clamp(30px, 5vw, 48px);
}
.hq-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted-2);
}
.hq-value {
  font-family: var(--mono); font-weight: 600;
  font-size: clamp(52px, 13vw, 108px); letter-spacing: -0.045em; line-height: 0.86;
  margin-top: 10px;
}
.hq-movement { margin-top: 16px; }
.rd-retail { font-family: var(--mono); font-size: 13px; letter-spacing: 0.02em; }
.rd-retail.up { color: #52CE88; }
.rd-retail.down { color: #E7736A; }
.rd-retail.archive { color: var(--muted-2); }

.hq-readout { margin: 0; display: grid; gap: 0; min-width: 260px; align-self: stretch; }
.hq-readout div {
  display: flex; justify-content: space-between; align-items: baseline; gap: 20px;
  border-top: 1px solid #FFFFFF1C; padding: 11px 0;
}
.hq-readout dt {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted-2);
}
.hq-readout dd {
  margin: 0; font-family: var(--mono); font-size: 14px; color: var(--paper);
  display: inline-flex; align-items: center; gap: 8px;
}
.hq-readout .chip.deal { color: #52CE88; background: #157A4A33; }
.hq-readout .chip.over { color: #E7736A; background: #C0271B33; }
.hq-readout .chip.fair { color: #CBC5B8; background: #FFFFFF14; }
.hq-thin {
  margin-top: 12px; font-family: var(--mono); font-size: 12px;
  color: #E7C46A; letter-spacing: 0.01em; max-width: 40ch;
}

/* Facet panel — filter the quote by colour / size / condition */
.facets { margin-top: clamp(30px, 5vw, 44px); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facets-toggle {
  width: 100%; display: flex; align-items: center; gap: 14px;
  padding: 16px 2px; background: transparent; border: none; cursor: pointer;
  text-align: left; color: var(--ink);
}
.ft-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted-2); flex-shrink: 0;
}
.ft-summary {
  flex: 1; min-width: 0; font-family: var(--mono); font-size: 13px;
  color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ft-summary.is-active { color: var(--green); }
.ft-chevron {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--muted); flex-shrink: 0;
}
.facets-toggle:hover .ft-chevron { color: var(--ink); }
.facet-body { display: none; padding: 4px 2px 22px; }
.facets.is-open .facet-body { display: block; }
.facet-clear {
  margin-top: 16px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--muted); background: transparent; border: none; cursor: pointer; padding: 0;
}
.facet-clear:hover { color: var(--red); }
.facet-groups { display: grid; gap: 16px; }
.facet-group { display: grid; grid-template-columns: 84px 1fr; align-items: start; gap: 14px; }
.facet-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted-2); padding-top: 8px;
}
.facet-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.facet-pill {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.01em;
  color: var(--ink); background: transparent; border: 1px solid var(--line-strong);
  padding: 6px 11px; border-radius: 2px; cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, color 120ms ease;
}
.facet-pill em { font-style: normal; color: var(--muted-2); margin-left: 4px; }
.facet-pill:hover { border-color: var(--ink); }
.facet-pill.is-on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.facet-pill.is-on em { color: #CBC5B8; }

/* Shared section headings */
.dist h3, .listings h3, .about h3 {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted-2); font-weight: 500; margin: 0 0 22px;
}
.dist { margin-top: clamp(36px, 6vw, 60px); }

/* Market-depth chart (HTML for crisp labels + fluid width) */
.mkt { position: relative; padding-top: 26px; }
.mkt-cote-label {
  position: absolute; top: 0; transform: translateX(-50%);
  font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--ink);
  letter-spacing: 0.02em; white-space: nowrap;
}
.mkt-plot {
  position: relative; height: 92px;
  border-left: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
}
.mkt-baseline { position: absolute; left: 0; right: 0; bottom: 20px; height: 1px; background: var(--line-strong); }
.mkt-iqr { position: absolute; top: 8px; bottom: 20px; background: var(--green-soft); }
.mkt-tick {
  position: absolute; top: 14px; bottom: 20px; width: 2px;
  background: var(--ink); opacity: 0.24; transform: translateX(-1px);
}
.mkt-cote {
  position: absolute; top: 0; bottom: 14px; width: 2.5px;
  background: var(--ink); transform: translateX(-1.25px);
}
.mkt-best-line {
  position: absolute; top: 0; bottom: 14px; width: 2.5px;
  background: var(--green); transform: translateX(-1.25px);
}
.mkt-best-label {
  position: absolute; top: 0;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--green); font-weight: 500; white-space: nowrap;
}
.mkt-axis {
  margin-top: 8px;
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 12px; color: var(--muted);
}

.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  margin-top: clamp(30px, 4vw, 40px);
}
.stat { background: var(--paper); padding: 14px 16px; }
.stat .k {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted-2);
}
.stat .v { font-family: var(--mono); font-size: 17px; margin-top: 5px; }

/* Listings as an order book */
.listings { margin-top: clamp(44px, 6vw, 60px); }
.listing {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 16px;
  padding: 15px 12px; border-top: 1px solid var(--line);
  transition: background 120ms ease;
}
.listing:last-child { border-bottom: 1px solid var(--line); }
.listing:hover { background: var(--panel); }
.listing.is-best { background: var(--green-soft); box-shadow: inset 3px 0 0 var(--green); }
.l-rank { font-family: var(--mono); font-size: 12px; color: var(--muted-2); }
.l-main { min-width: 0; }
.l-title { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.l-new {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--green); border: 1px solid var(--green); border-radius: 2px;
  padding: 1px 5px; margin-right: 8px; vertical-align: 1px;
}
.l-meta {
  font-family: var(--mono); font-size: 11px; color: var(--muted-2);
  letter-spacing: 0.03em; text-transform: uppercase; margin-top: 3px;
}
.l-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.l-right .chip { margin-top: 0; }
.l-price { font-family: var(--mono); font-weight: 500; font-size: 15px; }
.go { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.listing:hover .go { color: var(--ink); }

.about { margin-top: 54px; border-top: 1px solid var(--line); padding-top: 26px; }
.about p { color: var(--muted); font-size: 14px; max-width: 62ch; }

.foot {
  border-top: 1px solid var(--line);
  padding: 26px 0 60px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted-2);
  text-transform: uppercase;
}

.empty { padding: 60px 20px; color: var(--muted); font-family: var(--mono); font-size: 13px; }

/* ---- Mobile ---- */
@media (max-width: 720px) {
  .board-head { display: none; }
  .row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "piece cote"
      "spread spread"
      "best best";
    gap: 12px 14px;
    padding: 20px 0;
  }
  .piece { grid-area: piece; min-width: 0; }
  .piece .brand { font-size: 16px; }
  .num.cote { grid-area: cote; white-space: nowrap; }
  .cote-val { font-size: 18px; }
  .spread { grid-area: spread; text-align: left; }
  .spread-nums { max-width: 240px; }
  .best {
    grid-area: best; text-align: left;
    display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px;
    padding-top: 10px; border-top: 1px dashed var(--line);
  }
  .best .chip { margin-top: 0; }
  .conf { margin-top: 0; }
}

@media (max-width: 720px) {
  .hero-quote { flex-direction: column; align-items: stretch; gap: 26px; }
  .hq-readout { min-width: 0; width: 100%; }
  .facet-group { grid-template-columns: 1fr; gap: 8px; }
  .facet-label { padding-top: 0; }
  .listing { gap: 10px; padding: 14px 4px; }
  .l-right { gap: 10px; }
  .l-right .go { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .wordmark .dot, .hero-mark .dot { animation: none; }
  * { transition: none !important; }
}