:root {
  --ink: #1b2a4a;
  --paper: #f7f5f2;
  --accent: #c8532b;
  --muted: #5a6478;
  --error: #a8321e;
  --ok: #1e6b45;
  --warn-bg: #fdf3e3;
  --card: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  display: flex;
  justify-content: center;
  padding: 2rem 1rem;
}
.card {
  background: var(--card);
  border: 1px solid #ddd6cd;
  border-radius: 10px;
  padding: 2rem;
  max-width: 26rem;
  width: 100%;
}
h1 { font-size: 1.6rem; margin: 0 0 .25rem; }
h2 { font-size: 1.05rem; margin: 0 0 .25rem; }
.lede, .alt { color: var(--muted); font-size: .95rem; }
.field { margin: 1.1rem 0; }
label { display: block; font-weight: 600; margin-bottom: .3rem; }
input {
  width: 100%;
  padding: .6rem .7rem;
  font-size: 1rem;
  border: 1px solid #b9b2a8;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
input:focus-visible, button:focus-visible, a:focus-visible, .linklike:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
button#submit {
  width: 100%;
  padding: .7rem;
  font-size: 1rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-top: .5rem;
}
button#submit:disabled { opacity: .6; cursor: wait; }
.linklike {
  background: none;
  border: none;
  padding: 0;
  margin-top: .4rem;
  color: var(--accent);
  font-size: .85rem;
  cursor: pointer;
  text-decoration: underline;
}
.rules {
  list-style: none;
  padding: 0;
  margin: .5rem 0 0;
  font-size: .85rem;
  color: var(--muted);
}
.rules li::before { content: "\25CB\00a0"; }
.rules li.met { color: var(--ok); }
.rules li.met::before { content: "\25CF\00a0"; }
.error {
  color: var(--error);
  font-size: .85rem;
  font-weight: 600;
  margin: .35rem 0 0;
}
.notice {
  border-radius: 8px;
  padding: 1rem 1.1rem;
  margin: 1.25rem 0 0;
  font-size: .95rem;
}
.notice.warn { background: var(--warn-bg); border: 1px solid #e0c48f; }
.notice.problem { background: #fbeae7; border: 1px solid #d99384; }
.notice.ok { background: #e7f3ec; border: 1px solid #8fc4a6; }
.notice a { color: var(--ink); font-weight: 600; }
.actions a, .actions button {
  display: inline-block;
  margin: .6rem .5rem 0 0;
  padding: .45rem .8rem;
  border-radius: 6px;
  border: 1px solid var(--ink);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
code { background: #f0ece6; padding: 0 .3em; border-radius: 4px; }
@media (max-width: 400px) { .card { padding: 1.25rem; } }