/* One small stylesheet for both pages. */
* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #eef2f7;
  color: #1d2733;
}

.card {
  width: 100%;
  max-width: 380px;
  padding: 28px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

h1 { margin: 0 0 16px; font-size: 1.5rem; }

label { display: block; margin-bottom: 14px; font-weight: 600; }

input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  font: inherit;
  border: 1px solid #c5ced9;
  border-radius: 8px;
}

button {
  width: 100%;
  padding: 11px;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: #2563eb;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}

button:hover { background: #1d4ed8; }

.error { color: #b91c1c; }
.error:empty { display: none; }