* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #1a1a1a;
  color: #f2f2f2;
}

.panel {
  padding: 16px;
  max-width: 480px;
  margin: 0 auto;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.badge {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 999px;
}

.badge-unknown {
  background: #444;
  color: #ccc;
}

.badge-zoom {
  background: #2d8cff;
  color: #fff;
}

.badge-standalone {
  background: #806600;
  color: #fff;
}

.presenter-id-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
  font-size: 13px;
}

.presenter-id-row input {
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #444;
  background: #2a2a2a;
  color: #f2f2f2;
  font-size: 14px;
}

.buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.buttons button {
  padding: 18px 0;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  background: #2d8cff;
  color: #fff;
  cursor: pointer;
}

.buttons button:active {
  background: #1a6fd6;
}

.buttons button.danger {
  background: #c0392b;
}

.buttons button.danger:active {
  background: #962d22;
}

.buttons button:disabled {
  background: #444;
  cursor: not-allowed;
}

.status-line {
  margin-top: 14px;
  font-size: 12px;
  color: #999;
  min-height: 16px;
}