:root {
  --bg:#071126;
  --card:#0b1220;
  --accent:#0ea5b7;
  --muted:#98a2b3;
  --glass:rgba(255,255,255,0.03);
}
body {
  margin:0;
  font-family:Inter,Segoe UI,Arial,sans-serif;
  background:linear-gradient(180deg,#071126 0%,#071a2b 100%);
  color:#e6eef6;
  min-height:100vh;
  display:flex;
   flex-direction:column; /* важно: вертикальное размещение */
  align-items:center;
  justify-content:center;
  padding:0;
}
.navbar {
  width:100%;
  background: var(--card);
  display:flex;
  justify-content:center;
  gap:20px;
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,0.1);
  position:fixed; /* либо fixed */
  top:0;
  z-index:999;
  flex-wrap:wrap;
}
.navbar a {
  color: #e6eef6;
  text-decoration: none;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  transition: background .2s, color .2s;
}
.navbar a:hover {
  background: var(--accent);
  color: #022;
}
.navbar a.active {
  background: var(--accent);
  color: #022;
}
@media (max-width:480px){
  .navbar { gap:10px; }
  .navbar a { padding:5px 8px; font-size:13px; }
}

.wrap {
  width:100%;
  max-width:960px;
  padding:20px;
  box-sizing:border-box;
}
header { text-align:center; margin-bottom:24px; }
h1 { margin:0; font-size:24px; }
.lead { color:var(--muted); font-size:14px; margin-top:6px; }

.inputBox {
  display:flex;
  justify-content:center;
  gap:8px;
  margin-bottom:20px;
}
input[type=text] {
  background:var(--card);
  color:#fff;
  border:1px solid rgba(255,255,255,0.1);
  border-radius:10px;
  padding:10px 12px;
  width:260px;
  font-size:14px;
}
button {
  background:var(--accent);
  color:#022;
  border:none;
  padding:10px 16px;
  border-radius:10px;
  cursor:pointer;
  font-weight:600;
  transition:background .2s;
}
button:hover { background:#2dd4bf; }

.card { background:var(--card); padding:18px; border-radius:14px; box-shadow:0 6px 30px rgba(2,6,23,0.6);
  border:1px solid rgba(255,255,255,0.03); display:none; }
.row { display:flex; justify-content:space-between; align-items:center; background:var(--glass);
  padding:10px 12px; border-radius:10px; margin-bottom:10px; flex-wrap:wrap; }
.row small { display:block; color:var(--muted); font-size:12px; }
.value { font-weight:600; font-size:14px; }
.muted { color:var(--muted); font-size:13px; }
.badge { padding:6px 10px; border-radius:999px; background:rgba(255,255,255,0.03); color:var(--accent); font-weight:600; }
.loader { width:18px; height:18px; border:3px solid rgba(255,255,255,0.08); border-top-color:var(--accent);
  border-radius:50%; animation:spin 0.8s linear infinite; display:inline-block; margin-left:6px; }
@keyframes spin { to { transform:rotate(360deg); } }

.toggle-btn {
  cursor:pointer;
  color:var(--accent);
  text-align:center;
  font-weight:600;
  margin:10px auto;
  display:inline-block;
  transition:color .2s;
}
.toggle-btn:hover { color:#67e8f9; }

#extraInfo {
  display:none;
  background:rgba(255,255,255,0.02);
  padding:10px 12px;
  border-radius:10px;
  margin-top:10px;
}
.flag { font-size:22px; margin-right:8px; }
#errorBox { color:#ffb4b4; text-align:center; margin-top:10px; }