:root{color:#222;background:#fafaf7;font-family:system-ui,sans-serif}body{margin:0}.topbar{border-bottom:1px solid #ddd;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1rem;display:flex}.brand{font-weight:600}.actions{align-items:center;gap:1rem;display:flex}.language select{margin-left:.5rem}main{padding:1rem}.error{color:#a00;margin:1rem}