:root {
  --ink: #1a1a1a;
  --muted: #666;
  --accent: #0b5;
  --border: #ddd;
  --code-bg: #f4f4f4;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.6 -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

h1 { font-size: 2rem; margin: 0 0 .25rem; }
h2 {
  font-size: 1.3rem;
  margin: 2.5rem 0 .75rem;
  padding-bottom: .3rem;
  border-bottom: 2px solid var(--border);
}
h3 { font-size: 1.05rem; margin: 1.5rem 0 .5rem; }

.lead { font-size: 1.1rem; }
.meta { color: var(--muted); font-size: .9rem; margin-top: -.5rem; }

a { color: #007a4d; }

.attribution {
  margin: 1.25rem 0;
  padding: .75rem 1rem;
  background: #f0f8f3;
  border-left: 4px solid var(--accent);
  font-size: .92rem;
}

table { border-collapse: collapse; width: 100%; }
th, td {
  border: 1px solid var(--border);
  padding: .6rem .8rem;
  text-align: left;
  vertical-align: top;
}
th { width: 9rem; background: var(--code-bg); }

pre.url {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .7rem 4.5rem .7rem .9rem;
  margin: 0;
  overflow-x: auto;
  font-size: .9rem;
  user-select: all;
}

.url-wrap { position: relative; margin: .75rem 0; }

.copy-btn {
  position: absolute;
  top: .4rem;
  right: .4rem;
  padding: .25rem .6rem;
  font: inherit;
  font-size: .8rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
}
.copy-btn:hover { background: var(--code-bg); }

#preview-map {
  height: 420px;
  margin: 1rem 0 .5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

figure { margin: 1rem 0; }
figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
}
figcaption {
  color: var(--muted);
  font-size: .85rem;
  margin-top: .4rem;
}

.note {
  margin: 1.5rem 0;
  padding: .75rem 1rem;
  background: #fff8e6;
  border-left: 4px solid #e0a800;
  font-size: .92rem;
}

code {
  background: var(--code-bg);
  padding: .1rem .35rem;
  border-radius: 3px;
  font-size: .9em;
}

kbd {
  background: #fff;
  border: 1px solid #bbb;
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: .05rem .35rem;
  font-size: .85em;
}

ol, ul { padding-left: 1.4rem; }
li { margin: .25rem 0; }

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
}