.settings-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
.setting-card { padding:18px; }
.setting-card h3 { margin:0 0 6px; }
.setting-card p { color:var(--muted); font-size:.88rem; margin:0 0 15px; }
@media(max-width:600px) { .settings-grid { grid-template-columns:1fr; } }