body{font-family:system-ui;background:#f6f7fb}
.container{max-width:1200px;margin:auto;padding:20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{background:#fff;padding:15px;border-radius:12px}
.prompt{background:#f1f1f1;padding:10px;border-radius:8px}
.params{display:flex;gap:6px;margin:8px 0}
.copy{width:100%;padding:8px;border:none;background:#000;color:#fff;border-radius:6px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#000;color:#fff;padding:8px 16px;border-radius:20px}
.lock{color:red}