:root { font-size: 16px; }

body {
  margin: 0;
  background: #f6f7f9;
  color: #222;
}

.wrap {
  max-width: 720px;
  margin: 40px auto;
  padding: 24px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
}

h1 {
  margin: 0 0 20px;
  font-size: 1.4rem;
}

.field {
  margin: 14px 0;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.req {
  font-size: 0.85em;
  color: #c00;
  margin-left: 6px;
}

input, textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1px solid #cfd3da;
  border-radius: 8px;
  font-size: 1rem;
}

button {
  width: 100%;
  padding: 12px 14px;
  border: 0;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  opacity: .7;
  cursor: not-allowed;
}

.note {
  margin-top: 12px;
  font-size: .9rem;
  color: #555;
}