:root{
  --bg:#0c0c12;--panel:#14141c;--panel2:#1b1b26;--line:rgba(255,255,255,.1);
  --fg:#f1f1f6;--muted:#9a9aab;--cobalt:#5a74ff;--cobalt2:#2f4bff;--good:#37d39b;--bad:#ff6b6b;
  --sans:"Poppins",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;--didone:"Bodoni Moda",Didot,Georgia,serif;
}
@media(prefers-color-scheme:light){:root:not([data-theme="dark"]){--bg:#f6f7fb;--panel:#fff;--panel2:#eef1f8;--line:rgba(20,20,30,.12);--fg:#16161d;--muted:#55555f;}}
*{box-sizing:border-box}[hidden]{display:none !important}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);line-height:1.6}
a{color:var(--cobalt);text-decoration:none;cursor:pointer}
.top{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:30px;height:30px;border-radius:8px}
.wm{font-family:var(--didone);font-weight:900;font-size:22px;color:var(--fg)}.wm b{color:var(--cobalt);font-weight:900}
.top-right{display:flex;align-items:center;gap:14px}
.bal{background:var(--panel2);border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-weight:600;font-size:14px}
.signout{color:var(--muted);font-size:14px}.signout:hover{color:var(--bad)}
.wrap{max-width:860px;margin:0 auto;padding:30px 22px}
h1{font-size:clamp(26px,4vw,38px);letter-spacing:-.02em;margin:0 0 10px}
h2{font-size:19px;margin:0 0 14px}
.lede{color:var(--muted);font-size:17px;margin:0 0 24px}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:680px){.cards{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px}
label{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin:14px 0 8px}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.rails{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.opt{border:1px solid var(--line);background:var(--panel2);border-radius:10px;padding:11px 12px;cursor:pointer;font-weight:600;font-size:14px;text-align:center;color:var(--fg)}
.opt small{display:block;color:var(--muted);font-weight:500;font-size:12px}
.opt.on{border-color:var(--cobalt);background:rgba(90,116,255,.14);color:var(--fg)}
input,select{width:100%;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:11px 12px;color:var(--fg);font-size:15px}
.btn{width:100%;background:var(--cobalt2);color:#fff;border:0;border-radius:10px;padding:12px;font-weight:600;font-size:15px;cursor:pointer;margin-top:16px}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--fg)}
.btn.sm{width:auto;padding:8px 14px;font-size:13px;margin-top:0}
.err{color:var(--bad);font-size:13px;min-height:16px;margin-top:8px}
.muted{color:var(--muted)}
.keybox{background:var(--panel2);border:1px dashed var(--cobalt);border-radius:12px;padding:16px;margin-bottom:16px}
.k-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}
.keyval{display:block;font-family:ui-monospace,Menlo,monospace;font-size:15px;word-break:break-all;color:var(--good);margin-bottom:10px}
.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 14px;margin:14px 0}
.kv .key{color:var(--muted)}
.addr{font-family:ui-monospace,Menlo,monospace;font-size:13px;word-break:break-all}
.testrow{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}
.testrow .muted{font-size:13px}
/* chat */
.acct-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.acct-actions{display:flex;gap:8px;align-items:center}
.acct-actions select{width:auto}
.chat{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px;min-height:340px;max-height:56vh;overflow:auto;display:flex;flex-direction:column;gap:10px}
.bubble{max-width:82%;padding:10px 14px;border-radius:14px;font-size:15px;white-space:pre-wrap}
.bubble.user{align-self:flex-end;background:var(--cobalt2);color:#fff;border-bottom-right-radius:4px}
.bubble.ai{align-self:flex-start;background:var(--panel2);border:1px solid var(--line);border-bottom-left-radius:4px}
.bubble.meta{align-self:center;color:var(--muted);font-size:12px;background:transparent}
.chatbar{display:flex;gap:8px;margin-top:12px}
.chatbar input{flex:1}
.chatbar .btn{width:auto;margin-top:0;padding:12px 20px}