:root{--rule:#2a3b52;--muted:#a0afc2;--plate-hi:#1b2b40;--paper:#eef3fa;--ink:#0d1520;--yellow:#f3c623;--body:system-ui;--mono:monospace;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--ink);color:var(--paper);font:15px/1.6 system-ui}header,main{max-width:1280px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:24px;align-items:start}h1{font-size:30px;line-height:1.2;margin:8px 0 18px}h2{font-size:20px;margin:0 0 12px}h3{font-size:15px}a{color:#60d1f5}button,.btn{display:inline-block;cursor:pointer;padding:10px 15px;border:1px solid var(--rule);background:var(--plate-hi);color:var(--paper);border-radius:5px;font:inherit;text-decoration:none}button.main{background:#40c0e7;color:var(--ink);font-weight:700}button:disabled{opacity:.4;cursor:default}.card{padding:24px;background:#142030;border:1px solid var(--rule);border-radius:8px}.muted{color:var(--muted)}.cols{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}.badge{display:inline-block;padding:4px 10px;border:1px solid #3f586f;border-radius:99px;font-size:12px;color:#7bd4ed}.preview{width:100%;background:#e8ecf1;max-height:850px;object-fit:contain}.controls{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:16px 0}.check{display:flex;gap:10px;margin:14px 0}input[type=checkbox]{width:18px;flex-shrink:0}textarea{width:100%;padding:12px;background:var(--plate-hi);color:white;border:1px solid var(--rule);font:inherit;min-height:110px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.hash{font:11px/1.7 monospace;overflow-wrap:anywhere;color:var(--muted)}.steps{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);margin-bottom:24px}.account{min-width:230px;max-width:280px}select{max-width:100%;padding:8px;background:var(--plate-hi);color:white;font:inherit;border:1px solid var(--rule)}.mail{margin-bottom:16px}.mail h2{margin-bottom:6px}.mail p{white-space:pre-wrap}.error{color:#ff9cae}#result{white-space:pre-wrap;padding:16px 0}small{color:var(--muted)}[hidden]{display:none!important}@media(max-width:850px){.cols{grid-template-columns:1fr}header{flex-direction:column}main,header{padding:16px}}

#result:empty{display:none}#result.error{padding:14px;border:1px solid #a84362;border-radius:6px;margin-bottom:20px}