* { box-sizing: border-box; }
body {
  font-family: system-ui, sans-serif;
  margin: 0; padding: 1rem;
  background: #fafafa;
}
main { max-width: 480px; margin: 2rem auto; }
h1 { font-size: 1.5rem; }
 
.buttons { display: grid; gap: 0.75rem; margin: 1rem 0; }
button {
  font-size: 1.25rem; padding: 1.25rem;
  border: 0; border-radius: 12px;
  background: white; cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,.08);
}
button:active { transform: scale(0.98); }
 
textarea {
  width: 100%; min-height: 4rem;
  padding: 0.75rem; border-radius: 8px;
  border: 1px solid #ddd; font: inherit;
}
.status { text-align: center; min-height: 1.5em; }

.session-info {
  text-align: center;
  font-size: 0.9rem;
  color: #666;
  margin: 0 0 1rem;
}
.session-info strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.2em;
  color: #222;
}
.session-info a {
  color: #555;
  margin-left: 0.25rem;
}

footer {
  text-align: center;
  font-size: 0.8rem;
  color: #666;
  margin-top: 2rem;
}