body {
  font-family: 'Malgun Gothic', sans-serif;
  max-width: 960px;
  margin: 24px auto;
  padding: 0 16px;
  color: #1a1a1a;
}

h1 { font-size: 20px; margin-bottom: 8px; }
h2 { font-size: 16px; margin: 0 0 12px; }

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
}

.badge-host { background: #dbeafe; color: #1d4ed8; }
.badge-attendee { background: #dcfce7; color: #15803d; }

section {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  background: #fafafa;
}

.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 8px 0;
  align-items: center;
}

input, button {
  padding: 8px 12px;
  font-size: 14px;
}

button {
  cursor: pointer;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 4px;
}

button:disabled {
  background: #94a3b8;
  cursor: not-allowed;
}

button.secondary { background: #64748b; }
button.danger { background: #dc2626; }

pre, .hint {
  background: #f1f5f9;
  padding: 12px;
  overflow: auto;
  font-size: 12px;
  border-radius: 4px;
  margin: 8px 0;
}

.hint { font-size: 13px; color: #475569; }

.topic-box {
  font-size: 18px;
  font-weight: 700;
  padding: 12px;
  background: #fff;
  border: 2px solid #2563eb;
  border-radius: 6px;
  word-break: break-all;
}

#zoom-root {
  min-height: 480px;
  border: 2px dashed #94a3b8;
  margin-top: 16px;
  border-radius: 8px;
}

.lan-url {
  font-family: Consolas, monospace;
  color: #1d4ed8;
  word-break: break-all;
}

.steps { margin: 0; padding-left: 20px; }
.steps li { margin: 6px 0; }