body{margin:0;font-family:system-ui,Segoe UI,Arial;background:#f5f5f5}
.app-header{background:#046A38;color:white;padding:12px 16px;display:flex;justify-content:space-between;align-items:center}
.app-header button{margin-left:8px;padding:6px 10px;border:none;border-radius:6px;cursor:pointer}
.page{padding:20px;background:white;margin:16px;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.08)}