:root{
  --bg:#050608;
  --ink:#f5f5f7;
  --muted:#9ea2b0;
  --border-soft:rgba(255,255,255,0.14);
  --border-strong:rgba(255,255,255,0.32);
  --shadow-soft:0 18px 60px rgba(0,0,0,0.85);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family:system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 0% 0%, #181a23 0, transparent 55%),
    radial-gradient(circle at 100% 0%, #181823 0, transparent 55%),
    radial-gradient(circle at 50% 120%, #111219 0, var(--bg) 60%);
  -webkit-font-smoothing:antialiased;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.card{
  width:min(680px, 100%);
  border-radius:20px;
  border:1px solid var(--border-soft);
  background:linear-gradient(180deg, rgba(0,0,0,0.92), rgba(0,0,0,0.98));
  box-shadow:var(--shadow-soft);
  padding:22px;
}

.title{
  font-size:22px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  margin:0 0 10px;
}

.sub{
  color:var(--muted);
  line-height:1.7;
  font-size:13px;
  margin:0 0 16px;
}

.actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  padding:12px 18px;
  font-size:12px;
  font-weight:600;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:#050608;
  background:linear-gradient(135deg, #ffffff, #e6e6ea);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  padding:12px 18px;
  font-size:12px;
  font-weight:500;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--ink);
  border:1px solid var(--border-strong);
  background:transparent;
  cursor:pointer;
  text-decoration:none;
}

.hint{
  margin-top:14px;
  font-size:11px;
  color:var(--muted);
  line-height:1.6;
}

code{
  font-family:ui-monospace, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  font-size:11px;
  color:rgba(245,245,247,0.92);
}


/* --- CSP cleanup: moved inline styles into CSS --- */
.debug{
  white-space:pre-wrap;
  margin-top:10px;
}