body { font-family: sans-serif; background: #f8fafc; margin: 0; padding: 0; }
header { background: #0ea5e9; color: white; padding: 16px; }
.panel { background: white; margin: 16px; padding: 16px; border-radius: 8px; }
.actions { margin-top: 12px; display: flex; gap: 12px; flex-wrap: wrap; }
button, a { background: #0ea5e9; color: white; padding: 8px 12px; border-radius: 6px; text-decoration: none; border: none; cursor: pointer; }