:root {
  color-scheme: light;
  --ink: #1c1915;
  --muted: #5e584e;
  --line: #ddd4c4;
  --paper: #f4f0e7;
  --panel: #fffdf8;
  --accent: #1f4d3a;
  --danger: #8d2f22;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.5 Georgia, "Iowan Old Style", Palatino, serif;
}

main {
  width: min(38rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4.5rem 0 3rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font: 0.78rem/1.2 ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 2.3rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.lede,
.hint {
  color: var(--muted);
}

.lede { margin: 1rem 0 2rem; }

form {
  display: grid;
  gap: 0.9rem;
  padding: 1.25rem;
  background: var(--panel);
  border: 1px solid var(--line);
}

label {
  display: grid;
  gap: 0.35rem;
  font: 0.92rem/1.3 ui-sans-serif, system-ui, sans-serif;
}

input {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: white;
  color: inherit;
  font: 1rem/1.4 ui-sans-serif, system-ui, sans-serif;
}

.hint {
  margin: 0;
  font: 0.88rem/1.45 ui-sans-serif, system-ui, sans-serif;
}

button {
  justify-self: start;
  padding: 0.7rem 1rem;
  border: 0;
  background: var(--accent);
  color: white;
  font: 0.95rem/1 ui-sans-serif, system-ui, sans-serif;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
}

#status {
  min-height: 1.5rem;
  margin: 1rem 0 0;
  font: 0.95rem/1.4 ui-sans-serif, system-ui, sans-serif;
}

#status.error { color: var(--danger); }

#result {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

code {
  display: block;
  padding: 0.8rem;
  overflow-wrap: anywhere;
  background: var(--panel);
  border: 1px solid var(--line);
  font: 0.92rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
}