/* 最便宜的那家 — one stylesheet, no framework.

   A quantity surveyor's desk under a lamp: warm dark brown, brass for
   anything you press, terracotta for the quote worth a phone call and sage
   for the one that is merely low. Those two are the only strong colours,
   because they carry the only decision on the page. */

:root {
  --bg: #1a1613;
  --panel: #221d19;
  --panel2: #2b2521;
  --line: #3a322c;
  --ink: #efe8e0;
  --dim: #b8a99a;
  --faint: #8a7a6b;
  --brass: #d9a05b;
  --flag: #cc6b4f;
  --sage: #8aa87f;
  --radius: 11px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0 14px calc(30px + env(safe-area-inset-bottom));
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.62 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
        "Helvetica Neue", "Noto Sans SC", "PingFang SC", sans-serif;
  overflow-wrap: anywhere;
}
main { max-width: 800px; margin: 0 auto; }

.topbar {
  max-width: 800px; margin: 0 auto; padding: 22px 0 14px;
  display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 13px; align-items: start;
}
.brand {
  width: 42px; height: 42px; display: grid; place-items: center; border-radius: 11px;
  background: linear-gradient(160deg, var(--brass) 0%, #a8763c 100%);
  color: #1a1206; font-size: 24px; font-weight: 700; line-height: 1;
}
.titles h1 { margin: 0; font-size: 21px; letter-spacing: -0.01em; line-height: 1.25; }
.titles p { margin: 4px 0 0; color: var(--dim); font-size: 14px; }

.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin: 14px 0;
}
.panel h2 { margin: 0 0 9px; font-size: 15px; }
.sub { margin: 0 0 10px; color: var(--dim); font-size: 14px; }
.sub:last-child { margin-bottom: 0; }
.tiny { margin: 10px 0 0; color: var(--faint); font-size: 12.5px; line-height: 1.55; }
.quiet { background: transparent; }
code {
  font: 12.5px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px;
}
.eq {
  margin: 12px 0; padding: 12px 13px; background: var(--panel2);
  border-left: 3px solid var(--brass); border-radius: 0 8px 8px 0;
  font: 13.5px/1.75 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-x: auto; white-space: nowrap;
}

/* ------------------------------------------------------------------ form */

.egs { display: grid; gap: 8px; margin: 12px 0 16px; }
.eg {
  display: block; width: 100%; text-align: left; cursor: pointer;
  background: var(--panel2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; font: inherit;
}
.eg b { display: block; font-size: 14px; }
.eg span { display: block; color: var(--dim); font-size: 12.5px; margin-top: 2px; }
.eg.on { border-color: var(--brass); box-shadow: inset 0 0 0 1px var(--brass); }
.eg:focus-visible, textarea:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
.lbl { display: block; margin: 6px 0 7px; color: var(--dim); font-size: 13.5px; line-height: 1.55; }
textarea {
  width: 100%; min-width: 0; resize: vertical;
  background: var(--panel2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 9px; padding: 10px;
  font: 12.5px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* --------------------------------------------------------------- verdict */

.verdict {
  border: 1px solid var(--line); border-left: 4px solid var(--brass);
  border-radius: var(--radius); background: var(--panel2); padding: 15px 16px; margin: 18px 0 12px;
}
.verdict > b { display: block; font-size: 22px; line-height: 1.25; }
.verdict .say { margin: 7px 0 0; color: var(--dim); font-size: 13.5px; }
.verdict.warn { border-left-color: var(--brass); }
.verdict.bad { border-left-color: var(--flag); }
.verdict.na { border-left-color: var(--faint); }

.findings { margin-top: 14px; }
.finding { border-top: 1px solid var(--line); padding: 13px 0; }
.finding:first-child { border-top: 0; }
.finding:last-child { padding-bottom: 0; }
.finding > b { display: block; font-size: 14.5px; }
.finding > p { margin: 5px 0 0; color: var(--dim); font-size: 13.5px; }
.finding.ok > b { color: var(--sage); }
.finding.warn > b { color: var(--brass); }
.finding.bad > b { color: var(--flag); }

/* ----------------------------------------------------------- number line */

svg.nl { display: block; width: 100%; height: auto; margin: 4px 0 6px; }
.axis { stroke: var(--line); stroke-width: 2; }
.shortfall { fill: var(--brass); fill-opacity: 0.16; }
.mean { stroke: var(--faint); stroke-width: 1.4; stroke-dasharray: 3 3; }
.meanlab { fill: var(--faint); font-size: 11px; font-family: inherit; }
.quote { fill: var(--dim); }
.quote.winner { fill: var(--sage); stroke: var(--bg); stroke-width: 2; }
.quote.winner.flagged { fill: var(--flag); }
.winlab { fill: var(--ink); font-size: 12px; font-weight: 700; font-family: inherit; }
.implied { fill: none; stroke: var(--brass); stroke-width: 2.5; }
.impliedlab { fill: var(--brass); font-size: 11.5px; font-weight: 650; font-family: inherit; }
.ax { fill: var(--faint); font-size: 10px; font-family: inherit; }

/* ----------------------------------------------------------------- table */

.scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-top: 8px; }
table.qt { border-collapse: collapse; width: 100%; font-size: 13px; white-space: nowrap; }
table.qt th, table.qt td { padding: 8px 9px; border-bottom: 1px solid var(--line); text-align: right; }
table.qt thead th { color: var(--faint); font-weight: 600; font-size: 11.5px; }
table.qt th.ln { text-align: left; font-weight: 600; white-space: normal; min-width: 120px; }
table.qt td { font-variant-numeric: tabular-nums; color: var(--dim); }
table.qt td.amt { color: var(--ink); font-weight: 650; }
table.qt tr.best th.ln, table.qt tr.best td.amt { color: var(--sage); }
table.qt tr.flagged th.ln, table.qt tr.flagged td.amt { color: var(--flag); }

/* ----------------------------------------------------------------- lists */

.bad { border-color: var(--flag); }
.badlist { margin: 0; padding-left: 18px; color: var(--dim); font-size: 13px; }
.badlist li { margin: 6px 0; }
.badlist b { color: var(--ink); }

.foot {
  max-width: 800px; margin: 22px auto 0; padding-top: 14px;
  border-top: 1px solid var(--line); color: var(--faint); font-size: 12.5px;
}