*{box-sizing:border-box}
body{margin:0;background:#0a0613;color:#e9d5ff;font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
header{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#150a26;border-bottom:1px solid #2e1065}
header img{width:34px;height:34px}
header b{color:#c084fc;font-size:16px}
header span{color:#7c3aed;font-size:12px;margin-left:8px}
nav{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
nav button{background:#1e1033;color:#c4b5fd;border:1px solid #3b0764;border-radius:8px;padding:8px 12px;cursor:pointer;font-size:13px}
nav button.on{background:#7c3aed;color:#fff;border-color:#a855f7}
main{padding:18px;max-width:1100px}
section{display:none}
section.on{display:block}
h2{font-size:15px;color:#a78bfa;text-transform:uppercase;letter-spacing:1px}
.row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
input,select,textarea,button{font:inherit}
input,select,textarea{background:#150a26;border:1px solid #3b0764;color:#e9d5ff;border-radius:8px;padding:9px}
input{min-width:220px}
textarea{width:100%;min-height:180px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}
button{background:#7c3aed;color:#fff;border:0;border-radius:8px;padding:10px 14px;cursor:pointer}
button:hover{background:#a855f7}
pre{background:#150a26;border:1px solid #2e1065;border-radius:10px;padding:12px;overflow:auto;max-height:520px;font-size:12px;white-space:pre-wrap}