body{font-family:Roboto,Arial,Helvetica,sans-serif;background:#f5f7fb;color:#222}.container{max-width:1100px;margin:24px auto;padding:16px}.card{background:#fff;border-radius:8px;box-shadow:0 1px 4px #141e3c0f;padding:12px}.toolbar button{margin-right:6px}.muted{color:#666}