:root{--bg: #0d0f14;--bg-card: #151823;--bg-input: #0a0c11;--border: #2a2f42;--text: #e6e8f0;--muted: #8b90a5;--accent: #c9a227;--accent-dim: #8a7119;--danger: #c0392b;--ok: #4caf7d}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Iowan Old Style,Palatino Linotype,Palatino,Georgia,serif;line-height:1.5}code,.encoded,.sample{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace}h1,h2{font-weight:600;letter-spacing:.02em}h1{font-size:1.6rem}h2{font-size:1.15rem;margin-top:0;border-bottom:1px solid var(--border);padding-bottom:.5rem}.sigil{color:var(--accent)}.muted{color:var(--muted)}.small{font-size:.8rem}.error{color:var(--danger)}.ok{color:var(--ok)}.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.content{max-width:1100px;margin:0 auto;padding:1.5rem 1rem 3rem}.topbar{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1.25rem;border-bottom:1px solid var(--border);background:var(--bg-card)}.topbar nav{display:flex;gap:1rem;align-items:center}.brand{font-size:1.05rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:1.25rem}.hero{max-width:560px;text-align:center}.hero .sample{display:block;margin:1rem 0;padding:.75rem;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;font-size:.85rem;word-break:break-all;color:var(--accent)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.grid .wide{grid-column:1 / -1}@media(max-width:800px){.grid{grid-template-columns:1fr}}.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.9rem}.field span{font-size:.85rem;color:var(--muted)}.field.grow{flex:1}.row{display:flex;gap:1rem}textarea,input,select{background:var(--bg-input);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:.55rem .7rem;font:inherit;width:100%}textarea:focus,input:focus,select:focus{outline:1px solid var(--accent-dim);border-color:var(--accent-dim)}button.primary{background:var(--accent);color:#141414;border:none;border-radius:6px;padding:.6rem 1.4rem;font:inherit;font-weight:600;cursor:pointer}button.primary:disabled{opacity:.45;cursor:not-allowed}button.primary:hover:not(:disabled){background:#dbb638}button.link{background:none;border:none;color:var(--muted);font:inherit;cursor:pointer;text-decoration:underline}button.link:hover{color:var(--text)}button.link.danger:hover{color:var(--danger)}.list{list-style:none;margin:0;padding:0}.list li{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start;padding:.85rem 0;border-bottom:1px solid var(--border)}.list li:last-child{border-bottom:none}.list-main{min-width:0}.source{margin:0 0 .25rem}.encoded{display:block;color:var(--accent);font-size:.85rem;word-break:break-all;margin-bottom:.25rem}.segments{margin-top:1rem}.segment{display:flex;gap:.6rem;align-items:baseline;padding:.4rem 0;border-bottom:1px dashed var(--border);flex-wrap:wrap}.segment .ns{color:var(--muted)}.segment .op{color:var(--ok);font-weight:600}.segment code{color:var(--accent);word-break:break-all}