:root {
  --bg: #1a8154;
  --fg: #e2e8f0;
  --muted: #94a3b8;
  --card: #111827;
  --accent: #38bdf8;
  --ok: #22c55e;
  --err: #ef4444;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg), #c7c7c7);
  color: var(--fg);
}

.container {
  max-width: 720px;
  margin: 6vh auto 10vh;
  padding: 0 16px;
}

h1 { margin: 0 0 12px; font-weight: 700; letter-spacing: 0.2px; }
p { color: #000000; margin-top: 0; }

.lastUpdated{color:#000000; 
font-size:0.9em;}

.card {
  background: #c3c3c3;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 16px;
  display: grid;
  gap: 10px;
  margin-top: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  Color: #000000;
}

label { font-weight: 600; }
input[type="text"] {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: #ffffff;
  color: #000000;
  outline: none;
}
input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.25);
}

button {
  justify-self: start;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--accent);
  color: #081018;
  border: none;
  font-weight: 700;
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }
button:active { transform: translateY(1px); }

.result { margin-top: 18px; }
.ok, .err {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: #0b1220;
}
.ok { outline: 2px solid rgba(34,197,94,0.25); }
.err { outline: 2px solid rgba(239,68,68,0.25); }

footer {
  margin-top: 40px;
  color: #000000;
}