:root {
  --paper: #eef3f8;
  --ink: #262B40;
  --muted: #2C444C;
  --line: #A8C4EC;
  --card: #ffffff;
  --accent: #0474C4;
  --deep: #06457F;
  --warn: #A8C4EC;
  --warn-bg: #262B40;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  background: linear-gradient(180deg, #d7e5f4 0%, var(--paper) 220px);
  color: var(--ink);
  font-family: "Iowan Old Style", Palatino, Georgia, serif;
  line-height: 1.45;
}
a { color: var(--accent); }
.wrap { width: min(1100px, calc(100% - 28px)); max-width: 100%; margin: 0 auto; padding-bottom: 40px; }
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 8px;
}
.brand {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 22px;
  text-decoration: none;
}
.nav-links { display: flex; gap: 16px; }
h1 { font-size: clamp(32px, 5vw, 48px); letter-spacing: -0.04em; margin: 12px 0; color: var(--deep); }
h2 { font-size: 22px; margin: 22px 0 8px; color: var(--deep); }
.muted { color: var(--muted); }
.warning, .error {
  border-radius: 12px;
  padding: 10px 12px;
}
.warning { background: var(--warn-bg); color: var(--warn); font-weight: 700; }
.error { background: #eef3f8; color: #262B40; border: 1px solid #06457F; font-weight: 700; }
.badge {
  display: inline-block;
  background: var(--ink);
  color: var(--card);
  border-radius: 999px;
  padding: 2px 10px;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
form.search, .facts, table {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
}
form.search {
  display: flex;
  gap: 10px;
  align-items: end;
  padding: 12px;
  margin: 8px 0 14px;
}
label { display: grid; gap: 4px; flex: 1; font-size: 14px; }
input {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  width: 100%;
}
button {
  font: inherit;
  background: var(--deep);
  color: #eef3f8;
  border: 0;
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
}
.facts {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 6px 12px;
  padding: 14px;
  margin: 0;
}
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.table-wrap { max-width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; table-layout: fixed; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th {
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.hex { font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace; font-size: 13px; overflow-wrap: anywhere; }
footer { margin-top: 28px; color: var(--muted); font-size: 14px; }
@media (max-width: 700px) {
  form.search { flex-direction: column; align-items: stretch; }
  .facts { grid-template-columns: 1fr; }
  nav { align-items: flex-start; }
}