:root {
  --bg: #f7f3ec;
  --surface: #fffdf9;
  --ink: #241f1a;
  --muted: #6b6158;     /* 5.5:1 on --bg */
  --line: #e3d9cc;
  --accent: #b23c0c;    /* white text 5.9:1 */
  --accent-ink: #fff;
  --track: #ebe2d6;
  --serif: "Iowan Old Style", "Palatino Linotype", Charter, Georgia, serif;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161311;
    --surface: #201c19;
    --ink: #f2eae1;
    --muted: #a89c91;
    --line: #332c27;
    --accent: #f0874a;
    --accent-ink: #1a1009;
    --track: #2d2723;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--bg); }
body { margin: 0; color: var(--ink); font: 16px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
main { max-width: 520px; margin: 0 auto; padding: 32px 20px 64px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

header { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
h1 { font: 600 2rem/1 var(--serif); letter-spacing: -0.02em; margin: 0; }
h1::after { content: ""; display: inline-block; width: 0.2em; height: 0.2em; margin-left: 0.05em; border-radius: 50%; background: var(--accent); }
.sub { color: var(--muted); margin: 0; font-size: 0.875rem; }

/* Input + last result, pinned to the top while scrolling */
.dock { position: sticky; top: 0; z-index: 1; background: var(--bg); padding: 8px 0 4px; margin: 0 -20px; padding-inline: 20px; }
form { display: flex; gap: 8px; }
input {
  flex: 1; min-width: 0;
  font: inherit; font-size: 1.125rem;
  padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--surface); color: var(--ink);
}
input::placeholder { color: var(--muted); }
input:focus { outline: 2px solid var(--accent); outline-offset: -2px; }
button {
  font: inherit; font-weight: 600;
  border: 0; border-radius: 10px;
  padding: 12px 20px; min-height: 44px;
  background: var(--accent); color: var(--accent-ink);
  cursor: pointer;
}
button:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
button:disabled { opacity: 0.5; cursor: default; }
button.secondary { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
button.link { background: none; color: var(--muted); padding: 10px 0; min-height: 0; font-weight: 500; }
button.link:hover:not(:disabled) { color: var(--ink); }

.result, .row { --heat-ink: color-mix(in oklab, var(--heat) 72%, var(--ink)); }
.result { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; min-height: 32px; margin: 8px 2px 0; font-size: 1.0625rem; color: var(--muted); }
.result .w { color: var(--ink); font-weight: 600; }
.result .r { font-weight: 700; font-variant-numeric: tabular-nums; color: var(--heat-ink, var(--ink)); }
.result.error { color: var(--ink); }

.intro { color: var(--muted); margin-top: 16px; }
.intro p { margin: 0 0 12px; }
.intro b { color: var(--ink); }

h2 { font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 24px 2px 8px; }
h2 span { font-weight: 400; letter-spacing: 0; text-transform: none; }

/* Closest guesses: rank first, because the rank is the information */
.rows { list-style: none; margin: 0; padding: 0; }
.row {
  display: grid; grid-template-columns: 4.5rem 1fr 5rem; align-items: center; gap: 12px;
  padding: 8px 10px; border-radius: 8px;
  font-variant-numeric: tabular-nums;
}
.row + .row { border-top: 1px solid var(--line); }
.row .r { font-weight: 700; color: var(--heat-ink); }
.row .w { overflow-wrap: anywhere; }
.row .bar { height: 6px; border-radius: 3px; background: var(--track); overflow: hidden; }
.row .bar i { display: block; height: 100%; width: var(--fill); background: var(--heat); border-radius: 3px; }
.row.latest { background: var(--surface); box-shadow: 0 0 0 1px var(--line); }
.row.latest + .row { border-top-color: transparent; }
.row.win { background: color-mix(in srgb, var(--heat) 14%, var(--surface)); }
.tag { margin-left: 6px; font-size: 0.75rem; color: var(--muted); }
.none { color: var(--muted); margin: 4px 2px; }

/* Cold guesses: kept, but compact, since they matter less */
.coldlist { margin: 0 2px; color: var(--muted); line-height: 1.9; }
.coldlist span { display: inline-block; white-space: nowrap; margin-right: 14px; }
.coldlist span b { font-weight: 500; color: var(--ink); }
.coldlist span.latest b { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; }

/* Finished */
.done { margin-top: 8px; padding: 20px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); }
.done-title { font: 600 1.625rem/1.2 var(--serif); margin: 0 0 4px; }
.done-text { margin: 0 0 16px; color: var(--muted); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
#near { columns: 3 7.5rem; font-size: 0.9rem; margin: 20px 0 0; padding-left: 2.25em; }

footer { display: flex; justify-content: space-between; align-items: center; margin-top: 32px; color: var(--muted); font-size: 0.875rem; }
.tools { display: flex; gap: 20px; }
.how { margin-top: 16px; color: var(--muted); font-size: 0.875rem; border-top: 1px solid var(--line); padding-top: 12px; }
.how summary { cursor: pointer; }
.how p { margin: 8px 0 0; }

@media (max-width: 400px) {
  main { padding-top: 20px; }
  .row { grid-template-columns: 4rem 1fr 3.5rem; gap: 10px; }
}