:root{--bg: #f7f7f5;--surface: #ffffff;--border: #e2e0dc;--text: #1a1a1a;--muted: #6b6b66;--accent: #2455d4;--accent-text: #ffffff;--ok-bg: #e8f5e9;--ok-border: #9ccc9f;--warn-bg: #fff6e0;--warn-border: #e2c268;--err-bg: #fdecea;--err-border: #e39b93;--info-bg: #eef2fb;--info-border: #b9c6e8;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #16181c;--surface: #1f2228;--border: #34383f;--text: #e8e8e4;--muted: #9a9a93;--accent: #6f97ff;--accent-text: #10131a;--ok-bg: #1d2b1f;--ok-border: #3d6b42;--warn-bg: #2d2716;--warn-border: #8a7433;--err-bg: #301d1b;--err-border: #8a4a42;--info-bg: #1b2130;--info-border: #3c4c74}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.app{max-width:880px;margin:0 auto;padding:24px 20px 48px}header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:8px}h1{font-size:1.45rem;margin:0}.tagline{margin:2px 0 0;color:var(--muted);font-size:.9rem}.headerlinks{display:flex;gap:14px;margin:6px 0 0;font-size:.9rem}.headerlinks a,footer a{color:var(--accent);text-decoration:none}.headerlinks a:hover,footer a:hover{text-decoration:underline}h2{font-size:1.15rem;margin:4px 0 6px}h3{font-size:.95rem;margin:20px 0 6px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.lede{margin:0 0 16px;color:var(--muted)}.fine{color:var(--muted);font-size:.85rem;margin:6px 0}.walletbox{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.signerkind{font-size:.85rem;color:var(--muted)}.signer{display:inline-flex;align-items:center;gap:6px;padding:4px 6px 4px 10px;border:1px solid var(--border);border-radius:7px;background:var(--surface)}.signer .val{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem;color:var(--muted)}.segmented{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden;margin:0 0 14px}div.segmented>button:not(.ghost):not(.secondary){border:none;border-radius:0;background:var(--surface);color:var(--muted);padding:8px 14px}div.segmented>button+button{border-left:1px solid var(--border)}div.segmented>button.active:not(.ghost){background:var(--accent);color:var(--accent-text)}.inputwrap{display:flex;align-items:center;gap:2px;border:1px solid var(--border);border-radius:7px;background:var(--bg);padding:0 4px 0 0;min-width:0}.inputwrap input{flex:1;min-width:0;border:none;background:none;color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem;padding:8px 10px;outline:none}.inputwrap button.ghost{white-space:nowrap}.tabs{display:flex;gap:4px;margin:16px 0;border-bottom:1px solid var(--border)}.tab{background:none;border:none;border-bottom:2px solid transparent;padding:8px 14px;color:var(--muted);cursor:pointer;font-size:.95rem}.tab.active{color:var(--text);border-bottom-color:var(--accent);font-weight:600}main section{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px}button,select{font:inherit;border-radius:7px;border:1px solid var(--border);padding:8px 14px;cursor:pointer;background:var(--surface);color:var(--text)}button:not(.ghost):not(.secondary):not(.tab){background:var(--accent);color:var(--accent-text);border-color:var(--accent)}button:disabled{opacity:.55;cursor:not-allowed}button.ghost{border:none;background:none;color:var(--accent);padding:2px 6px;font-size:.85rem}.row{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}.field{display:block;margin:12px 0}.field span{display:block;font-size:.85rem;color:var(--muted);margin-bottom:4px}.field textarea,.field input{width:100%;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem;border:1px solid var(--border);border-radius:7px;padding:8px 10px;background:var(--bg);color:var(--text);resize:vertical}.field.narrow input{max-width:220px}.hexblob{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 10px;margin:6px 0;background:var(--bg);border:1px solid var(--border);border-radius:7px}.hexlabel{font-size:.85rem;color:var(--muted);min-width:150px}.hexmeta{font-size:.8rem;color:var(--muted)}.addr{display:inline-flex;align-items:center;gap:4px}.addr a{text-decoration:none;color:var(--accent)}.note{border-radius:7px;padding:10px 12px;margin:12px 0;border:1px solid;font-size:.9rem}.note-info{background:var(--info-bg);border-color:var(--info-border)}.note-warn{background:var(--warn-bg);border-color:var(--warn-border)}.note-error{background:var(--err-bg);border-color:var(--err-border)}.note-ok{background:var(--ok-bg);border-color:var(--ok-border)}.hit{display:flex;flex-direction:column;gap:2px;border:1px solid var(--border);border-radius:7px;padding:10px 12px;margin:8px 0}.panel{display:flex;flex-direction:column;gap:12px;border:1px solid var(--border);border-radius:8px;padding:14px;margin:10px 0;background:var(--bg)}.metastrip{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.85rem;padding-bottom:12px;margin-bottom:2px;border-bottom:1px solid var(--border)}.metastrip strong{color:var(--text)}.kv{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.kv .val{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.95rem;font-weight:600}.kv .val.dim{color:var(--muted);font-weight:500}hr.split{border:none;border-top:1px solid var(--border);margin:22px 0}footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:20px;color:var(--muted);font-size:.85rem}