:root{font-family:Inter,system-ui,sans-serif;color-scheme:dark;background:#0b0d12;color:#f5f7fb}body{margin:0;min-height:100vh;display:grid;place-items:center}main{width:min(680px,calc(100vw - 48px));border:1px solid #303643;border-radius:18px;padding:32px;background:#151922}h1{margin-top:0}.status{color:#7cc5ff}.actions{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}button{border:1px solid #3d4658;border-radius:10px;padding:10px 14px;background:#202838;color:inherit;cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}pre{overflow:auto;padding:14px;border-radius:10px;background:#090b10}