html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:#0b1220;color:#e6e9ef}.page{max-width:960px;margin:0 auto;padding:32px 20px}.header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.title{font-size:22px;font-weight:700}.subtitle{font-size:13px;color:#aab3c5}.button{background:#1b2a4a;border:1px solid rgba(255,255,255,.12);color:#e6e9ef;padding:10px 14px;border-radius:10px;cursor:pointer}.button:hover{background:#20335c}.card{background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:18px}.cardTitle{font-weight:600;margin-bottom:12px}.pre{margin:0;padding:12px;border-radius:12px;background:#00000059;overflow:auto}.muted{color:#aab3c5}.error{color:#ff9aa2;margin-bottom:10px}