:root {
  --ink: #1e2430;
  --paper: #f7f4ef;
  --card: #ffffff;
  --accent: #b8502a;
  --accent-dark: #94401f;
  --muted: #5b6472;
  --success: #1f6b3a;
  --error: #a02a2a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
}

.card {
  background: var(--card);
  width: 100%;
  max-width: 460px;
  padding: 40px 32px;
  border-radius: 10px;
  border: 1px solid #e5e0d8;
  box-shadow: 0 6px 24px rgba(30, 36, 48, 0.08);
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
  line-height: 1.2;
}

.lede {
  margin: 0 0 24px;
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

label {
  display: block;
  font-family: system-ui, sans-serif;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.row {
  display: flex;
  gap: 8px;
}

input {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  font-size: 16px;
  font-family: system-ui, sans-serif;
  border: 1px solid #cfc9bf;
  border-radius: 6px;
  background: #fffdf9;
  color: var(--ink);
}

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

button {
  padding: 12px 20px;
  font-size: 16px;
  font-family: system-ui, sans-serif;
  font-weight: 600;
  color: #ffffff;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover { background: var(--accent-dark); }

button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

button:disabled {
  background: var(--muted);
  cursor: default;
}

.message {
  margin: 14px 0 0;
  font-family: system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.message.success { color: var(--success); }
.message.error { color: var(--error); }

@media (max-width: 480px) {
  .row { flex-direction: column; }
  .card { padding: 28px 20px; }
}