* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #fbf7f0;
  color: #3a2f28;
}

.card {
  background: #fff;
  border: 1px solid #e7ddd0;
  border-radius: 16px;
  padding: 40px 36px;
  text-align: center;
  box-shadow: 0 6px 18px rgba(60, 40, 20, 0.08);
  width: 100%;
  max-width: 340px;
}

.card h1 { margin: 0 0 6px; font-size: 22px; }
.card p { color: #7a6b5d; font-size: 13.5px; margin: 0 0 24px; }
#buttonDiv { display: flex; justify-content: center; }
#errorMsg { color: #b3462c; font-size: 13px; margin-top: 16px; min-height: 1.2em; }