:root {
  --ink: #24303f;
  --paper: #f6f4ef;
  --accent: #b0472b;
  --accent-dark: #8f3722;
  --muted: #5b6472;
  --ok: #2e6b3f;
  --error: #a12f24;
  --line: #ddd8ce;
}

* { 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;
  line-height: 1.5;
}

.card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 40px 32px;
  max-width: 440px;
  width: 100%;
}

h1 {
  font-size: 28px;
  margin: 0 0 8px;
  color: var(--ink);
}

.lede {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 16px;
}

label {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 6px;
  font-family: Helvetica, Arial, sans-serif;
}

input {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  font-family: Helvetica, Arial, sans-serif;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
}

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

button {
  margin-top: 14px;
  width: 100%;
  padding: 12px;
  font-size: 16px;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover { background: var(--accent-dark); }
button:disabled { opacity: 0.6; cursor: wait; }

.message { margin: 18px 0 0; font-size: 15px; min-height: 1.5em; }
.message.ok { color: var(--ok); font-weight: 700; }
.message.err { color: var(--error); font-weight: 700; }

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