:root {
  --ink: #0f1f3d;
  --muted: #46546b;
  --accent: #f0ca00;
  --paper: #fff;
  --line: #d8dee8;
  --space: 8px;
  color: var(--ink);
  background: var(--paper);
  font-family: system-ui, sans-serif;
  line-height: 1.7;
}
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 720px; margin: 0 auto; padding: 40px 24px; }
h1 { font-size: clamp(28px, 6vw, 40px); line-height: 1.3; word-break: keep-all; }
h2 { font-size: 22px; line-height: 1.4; }
p, label, input, button { font-size: 16px; }
a { color: var(--ink); text-underline-offset: 4px; }
.brand { font-weight: 800; text-decoration: none; }
section { margin: 32px 0; padding: 24px 0; border-block: 1px solid var(--line); }
form { display: grid; gap: var(--space); margin: 32px 0; }
input { max-width: 100%; min-height: 48px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; }
.confirm { display: flex; gap: 12px; align-items: center; margin: 16px 0; }
.confirm input { min-height: 24px; flex: none; }
button { min-height: 48px; padding: 16px; border: 0; border-radius: 8px; color: var(--ink); background: var(--accent); font-weight: 700; cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; }
#status { color: var(--muted); overflow-wrap: anywhere; }