:root {
  color-scheme: light dark;
  --ground: #f8f9ff;
  --ink: #1b1b21;
  --quiet: #47464f;
  --accent: #3c35b2;
  --on-accent: #ffffff;
  --card: #ffffff;
  --line: #d8d6e4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #131318;
    --ink: #e5e1e9;
    --quiet: #c8c5d0;
    --accent: #c3c0ff;
    --on-accent: #1f178f;
    --card: #1f1f25;
    --line: #47464f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
main { max-width: 42rem; margin: 0 auto; padding: 2.5rem 1.25rem 3rem; }
header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }
header img { width: 64px; height: 64px; }
h1 { font-size: 2.2rem; margin: 0; line-height: 1.1; }
h2 { font-size: 1.25rem; margin: 2.25rem 0 0.5rem; }
p, li { color: var(--ink); }
.lead { font-size: 1.2rem; }
.quiet { color: var(--quiet); font-size: 0.95rem; }
a { color: var(--accent); }
.button {
  display: inline-block;
  background: var(--accent);
  color: var(--on-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
}
.button.second { background: transparent; color: var(--accent); border: 2px solid var(--accent); padding: 0.7rem 1.4rem; font-size: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 1rem; padding: 1.25rem; margin: 1.25rem 0; }
.address { font-family: ui-monospace, "Noto Sans Mono", monospace; overflow-wrap: anywhere; font-size: 1.05rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; margin: 1rem 0; }
ul { padding-left: 1.25rem; }
li { margin: 0.35rem 0; }
label { display: block; font-weight: 600; margin-bottom: 0.35rem; }
input, textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--ground);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 0.6rem 0.75rem;
}
textarea { font-family: ui-monospace, "Noto Sans Mono", monospace; font-size: 0.85rem; min-height: 5.5rem; margin-top: 0.75rem; }
footer { margin-top: 3rem; border-top: 1px solid var(--line); padding-top: 1rem; }
[hidden] { display: none !important; }