body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  max-width: 640px;
  margin: 40px auto;
  padding: 0 16px;
  color: #1a1a1a;
  line-height: 1.5;
}

h1 { font-size: 1.25rem; }

.error { color: #c0392b; }
.success { color: #1e7e34; }

button {
  cursor: pointer;
  padding: 8px 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: #fff;
}
button:hover { background: #f5f5f5; }

#request-list { list-style: none; padding: 0; }
#request-list li { margin-bottom: 8px; }
#request-list button { width: 100%; text-align: left; }

dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; }
dt { font-weight: 600; }

#already-sent {
  border: 1px solid #e0c36a;
  background: #fff8e1;
  padding: 12px;
  border-radius: 8px;
  margin: 12px 0;
}

form { margin: 16px 0; }
label { display: block; margin-bottom: 6px; font-weight: 600; }