:root {
  color-scheme: light dark;
  --bg: #f7f4ee;
  --ink: #1c1915;
  --muted: #5c564c;
  --line: #d9d1c3;
  --card: #fffdf8;
  --accent: #8c3b2a;
  --ok: #1f6b45;
  --warn: #8a5a12;
  --focus: #1d4e89;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161411;
    --ink: #f3efe6;
    --muted: #c9c0b2;
    --line: #3a342c;
    --card: #221f1b;
    --accent: #e7a090;
    --ok: #8dcea8;
    --warn: #e6c48a;
    --focus: #9dc2f0;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font: 1.05rem/1.5 "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  background: var(--bg);
  color: var(--ink);
}

a { color: inherit; }
a:hover { color: var(--accent); }

.skip {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--card);
  padding: 0.4rem 0.7rem;
}
.skip:focus { top: 0.5rem; }

.site-header, main, .site-footer {
  width: min(46rem, calc(100% - 1.5rem));
  margin-inline: auto;
}

.site-header { padding: 1rem 0 0.5rem; }

.mark {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.mark a { text-decoration: none; font-weight: 700; }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  margin-top: 0.6rem;
  font-size: 0.95rem;
}
nav a { text-decoration: none; border-bottom: 1px solid var(--line); min-height: 2.4rem; display: inline-flex; align-items: center; }
nav a[aria-current="page"] { border-bottom-color: var(--accent); color: var(--accent); }

main { padding-bottom: 3rem; }
h1 { font-size: 2rem; line-height: 1.15; margin: 0.6rem 0 0.8rem; }
h2 { font-size: 1.35rem; margin-top: 1.8rem; }
p, li { max-width: 40rem; }

.lede { font-size: 1.2rem; }

.card, .result, form, .notice {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 0.9rem 1rem;
  margin: 0.8rem 0;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  padding: 0;
  list-style: none;
}
.metrics li {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 0.7rem;
}
.metrics strong { display: block; font-size: 1.4rem; }

label { display: block; font-size: 0.95rem; margin: 0.7rem 0 0.25rem; }
input, select, textarea, button {
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 0.4rem;
}
input, select, textarea { width: 100%; padding: 0.7rem; min-height: 2.8rem; }
textarea { min-height: 6rem; }
button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.55rem 0.9rem;
  background: var(--ink);
  color: var(--bg);
  border: 0;
  text-decoration: none;
  cursor: pointer;
}
button:focus, a:focus, input:focus, select:focus, textarea:focus {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.check { display: flex; gap: 0.6rem; align-items: flex-start; }
.check input { width: 1.2rem; min-height: 1.2rem; margin-top: 0.3rem; }

.muted { color: var(--muted); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.tag {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  font-size: 0.82rem;
  margin: 0.1rem 0.2rem 0.1rem 0;
}

#map {
  height: 22rem;
  border-radius: 0.6rem;
  border: 1px solid var(--line);
  background: var(--card);
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg);
  padding: 0.8rem;
  overflow: auto;
}

.site-footer { padding-bottom: 2rem; font-size: 0.92rem; }

@media (min-width: 720px) {
  h1 { font-size: 2.6rem; }
  .metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .filters { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
  .filters .wide { grid-column: 1 / -1; }
}