:root {
  --ink: #1b2a4a;
  --paper: #f7f5f2;
  --accent: #c8532b;
  --muted: #4a5468;
  --ok: #1e6b3a;
  --err: #a02c2c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  padding: 1.5rem;
}

.card {
  background: #ffffff;
  border: 1px solid #e3ded6;
  border-radius: 12px;
  padding: 2.5rem 2rem;
  max-width: 30rem;
  width: 100%;
  box-shadow: 0 4px 18px rgba(27, 42, 74, 0.08);
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  line-height: 1.2;
}

.lede {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 1rem;
}

label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
  font-weight: bold;
}

input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid #c9c2b6;
  border-radius: 8px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

input:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

button {
  margin-top: 1rem;
  width: 100%;
  padding: 0.8rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font: inherit;
  font-weight: bold;
  font-size: 1.05rem;
  cursor: pointer;
}

button:hover { background: #a8431f; }
button:disabled { opacity: 0.6; cursor: wait; }

.message {
  margin: 1.25rem 0 0;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.98rem;
}

.message.ok { background: #e7f3ea; color: var(--ok); border: 1px solid #bcdcc4; }
.message.err { background: #f9e9e9; color: var(--err); border: 1px solid #e6c3c3; }

@media (max-width: 480px) {
  .card { padding: 1.75rem 1.25rem; }
  h1 { font-size: 1.5rem; }
}