:root{color-scheme:dark}body{margin:0;background:#0e0f13;color:#e8e8ea;font:15px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.app{max-width:640px;margin:6vh auto;padding:0 20px;display:flex;flex-direction:column;gap:12px}h1{font-size:20px;margin:0 0 4px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}select,textarea,button{font:inherit;background:#16181f;color:#e8e8ea;border:1px solid #2a2d38;border-radius:8px;padding:10px}textarea{width:100%;min-height:220px;resize:vertical;box-sizing:border-box}button{cursor:pointer;padding:10px 22px}button:disabled{opacity:.4;cursor:not-allowed}.muted{color:#8a8f9c;font-size:13px}.errors{color:#ff6b6b;white-space:pre-wrap;margin:0;font-size:13px}.result{min-height:20px;word-break:break-all}.result a{color:#6ea8fe}