/* TokenForge (ECB Oracle) — CyberArena skin. */
:root{
  --bg:#050816; --primary:#00e5ff; --primary-soft:rgba(0,229,255,.16);
  --secondary:#8b5cf6; --amber:#ffd166; --text:#f8fafc; --muted:#94a3b8;
  --border:rgba(148,163,184,.22); --shadow:0 24px 80px rgba(0,0,0,.55);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh;color:var(--text);
  background:radial-gradient(circle at top left,rgba(139,92,246,.18),transparent 34%),
             radial-gradient(circle at bottom right,rgba(0,229,255,.16),transparent 36%),var(--bg);}
.background-grid{position:fixed;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);
  background-size:42px 42px;mask-image:linear-gradient(to bottom,black,transparent 85%)}
.page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:34px 18px}
.panel{width:100%;max-width:600px;background:rgba(12,18,38,.92);border:1px solid var(--border);
  border-radius:22px;box-shadow:var(--shadow);padding:30px}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.logo-image-wrap{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:hidden;
  background:radial-gradient(circle at top,rgba(139,92,246,.4),transparent 60%),rgba(8,12,28,.92);
  border:1px solid rgba(139,92,246,.5);box-shadow:0 0 18px rgba(139,92,246,.35)}
.logo-image{width:86%;height:86%;object-fit:contain;filter:drop-shadow(0 0 7px rgba(139,92,246,.6))}
.brand h1{font-size:1.2rem;letter-spacing:-.03em}.brand p{color:var(--muted);font-size:.78rem;margin-top:2px}
.challenge-badge{display:inline-block;padding:6px 11px;border-radius:999px;background:rgba(139,92,246,.16);
  border:1px solid rgba(139,92,246,.32);color:#c4b5fd;font-size:.68rem;font-weight:800;letter-spacing:.12em;margin-bottom:16px}
h2{font-size:1.7rem;letter-spacing:-.04em;margin-bottom:6px}
.subtitle{color:var(--muted);font-size:.9rem;margin-bottom:20px;line-height:1.5}
.api{padding:16px;border-radius:14px;background:rgba(15,23,42,.7);border:1px dashed rgba(148,163,184,.28)}
.api-label{color:#c4b5fd;font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;font-weight:800}
.api code{display:inline-block;margin-top:6px;color:var(--primary);font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9rem}
.api-note{color:var(--muted);font-size:.82rem;margin-top:8px}
.api-note code{color:var(--amber);font-size:.8rem}
.terminal{margin-top:20px;padding:16px;border-radius:14px;background:#020409;border:1px solid var(--border);
  color:#c4b5fd;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.84rem;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}