:root { font-family: "Segoe UI", system-ui, sans-serif; color: #0f172a; }
body { margin: 0; }
header { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; border-bottom: 1px solid #e2e8f0; }
header h1 { font-size: 20px; margin: 0; }
main { padding: 20px; }
button { padding: 10px 16px; border-radius: 8px; border: 1px solid #16a34a; background: #dcfce7; cursor: pointer; font-size: 14px; }
a { color: #2563eb; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.card { border: 1px solid #e2e8f0; border-radius: 12px; padding: 16px; cursor: pointer; }
.card:hover { border-color: #16a34a; }
.card h3 { margin: 8px 0 4px; }
.card p { margin: 0; color: #475569; font-size: 13px; }
.avatar { width: 48px; height: 48px; border-radius: 50%; background: #ede9fe; display: flex; align-items: center; justify-content: center; font-size: 24px; overflow: hidden; }
.avatar img { width: 48px; height: 48px; object-fit: cover; }