body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;margin:2rem}
.container{max-width:1000px;margin:0 auto}
.tabs{display:flex;gap:.5rem;margin-bottom:1rem}
.tab{padding:.5rem 1rem;border:1px solid #ddd;background:#f7f7ff;cursor:pointer}
.tab.active{background:#e7e7ff;font-weight:700}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
fieldset{border:1px solid #ddd;border-radius:8px;padding:1rem}
legend{font-weight:700}
label{display:block;margin:.5rem 0 .25rem}
input{width:100%;padding:.6rem;border:1px solid #ccc;border-radius:6px}
.primary{margin-top:1rem;padding:.8rem 1rem;border:none;background:#4255ff;color:#fff;border-radius:6px}
.success{margin-top:1rem;padding:.8rem 1rem;border:none;background:#0a8c4a;color:#fff;border-radius:6px}
.row{display:flex;gap:.5rem;margin:.5rem 0}
.row input{flex:1}
.add{padding:.5rem 1rem}
.panel{margin-top:1rem;border:1px solid #ddd;border-radius:8px;padding:1rem;background:#fafafa}
.log{background:#111;color:#0f0;padding:1rem;min-height:200px;white-space:pre-wrap}
.hint{font-size:.9rem;color:#666}