:root{color-scheme:dark;--bg:#0f172a;--surface:#1e293b;--fg:#f8fafc;--muted:#94a3b8;--border:#334155;--gold:#e8a317}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:'Cairo',Tahoma,Arial,sans-serif;line-height:1.85}
main{max-width:42rem;margin:3rem auto;padding:2rem;border:1px solid var(--border);border-radius:.75rem}
.brand{font-size:1.5rem;text-decoration:none;font-weight:bold}.brand span{font-size:1rem;color:var(--muted);margin-inline-start:.5rem}
h1{font-size:1.75rem;line-height:1.4;margin:1.5rem 0}h2{font-size:1.125rem}p{margin:1rem 0}.muted,footer{color:var(--muted)}
a{color:var(--gold)}label{display:block;margin-top:1rem}input,select{display:block;width:100%;padding:.75rem;border:1px solid var(--border);border-radius:.5rem;background:var(--surface);color:var(--fg);font:inherit}
button{cursor:pointer;padding:.75rem 1.25rem;border:1px solid var(--gold);border-radius:.5rem;background:var(--gold);color:var(--bg);font:inherit;font-weight:bold}
button:disabled{opacity:.55;cursor:wait}.secondary{background:transparent;color:var(--fg);border-color:var(--border)}.actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.5rem}
:focus-visible{outline:3px solid var(--gold);outline-offset:4px}footer{border-top:1px solid var(--border);margin-top:2rem;padding-top:1rem;display:flex;gap:1rem;flex-wrap:wrap;font-size:.875rem}
.destination,code{background:var(--surface);padding:.75rem;border-radius:.5rem;overflow-wrap:anywhere;display:block}li{margin:.5rem 0}#error{color:#fca5a5}.connection{border-top:1px solid var(--border);padding:1rem 0}
@media(max-width:700px){main{margin:1rem;border:0;padding:1rem}h1{font-size:1.5rem}.actions button{flex:1}button{min-height:3rem}}