:root{
  --okx-bg:#0b0b0f;
  --okx-card:#15151c;
  --okx-text:#e6e6eb;
  --okx-sub:#9b9ba3;
  --okx-accent:#f5f5f5;
  --okx-green:#16c784;
  --okx-yellow:#f4b000;
  --okx-border:#262631;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--okx-bg);
  color:var(--okx-text);
  font-family:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.topbar{
  height:56px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
  border-bottom:1px solid var(--okx-border);
  background:rgba(12,12,16,0.6);
  position:sticky;top:0;backdrop-filter:saturate(140%) blur(8px);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:1px}
.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--okx-green);display:inline-block}

.connect-btn{
  background:#fff;color:#000;border:0;border-radius:10px;padding:10px 14px;font-weight:600;cursor:pointer;
}
.connect-btn:hover{filter:brightness(0.9)}

.nav-link{color:#fff;text-decoration:none;font-weight:600;padding:6px 8px;border-radius:8px}
.nav-link:hover{background:rgba(255,255,255,0.06)}
.brand{color:#fff}

.container{max-width:980px;margin:24px auto;padding:0 16px}

.terminal{
  background:var(--okx-card);
  border:1px solid var(--okx-border);
  border-radius:12px;
  padding:16px;
  min-height:clamp(260px, 50vh, 560px);
  color:#d1ffd1;
  line-height:1.6;
  white-space:pre-wrap;
  overflow:auto;
}

.term-line{display:block}
.term-hint{color:var(--okx-sub)}
.term-warn{color:var(--okx-yellow)}
.term-error{color:#ff4d4f}
.term-ok{color:var(--okx-green)}
.term-input{color:#fff}
.term-dos{color:#00ff6a}
.term-center{text-align:center}
.term-emph{font-weight:700}
.term-caret{display:inline-block;width:8px;background:#d1ffd1;animation:blink 1s steps(2,start) infinite}
@keyframes blink{50%{opacity:0}}

.pill{display:inline-block;padding:2px 8px;border:1px solid var(--okx-border);border-radius:999px;background:#101018;color:#bfc2d4}


@media (max-width: 1024px){
  .container{max-width:860px}
}

@media (max-width: 768px){
  .topbar{padding:0 12px}
  .brand{font-size:14px}
  .right{gap:8px}
  .nav-link{font-size:12px;padding:4px 6px}
  .connect-btn{padding:8px 12px}
  .pill{font-size:12px}
  .terminal{font-size:13px}
}

@media (max-width: 480px){
  .topbar{flex-wrap:wrap;height:auto;padding:8px 12px}
  .right{width:100%;justify-content:flex-end;gap:8px}
  .container{margin:16px auto;padding:0 12px}
  .terminal{font-size:12px}
}