body {
  font-family: system-ui, sans-serif;
  background: #0d1117;
  color: #c9d1d9;
  margin: 0;
  padding: 20px;
}

.container { max-width: 700px; margin: 0 auto; text-align: center; }

h1 { font-size: 2.5rem; margin-bottom: 10px; }

p { color: #8b949e; margin-bottom: 30px; }

.input-group {
  display: flex;
  gap: 10px;
  max-width: 500px;
  margin: 0 auto 30px;
}

#ip-input {
  flex: 1;
  padding: 12px;
  font-size: 1.1rem;
  background: #161b22;
  color: #c9d1d9;
  border: 1px solid #30363d;
  border-radius: 6px;
}

#lookup-btn {
  padding: 12px 24px;
  background: #21262d;
  color: #c9d1d9;
  border: 1px solid #30363d;
  border-radius: 6px;
  cursor: pointer;
}

#lookup-btn:hover { background: #30363d; }

.loading, .error {
  margin: 20px 0;
  padding: 12px;
  border-radius: 6px;
}

.loading { background: #21262d; }
.error { background: #490c0c; color: #f85149; border: 1px solid #f85149; }

.result { margin-top: 30px; }

.card {
  background: #161b22;
  padding: 20px;
  border-radius: 8px;
  text-align: left;
  margin-bottom: 20px;
}

h3 { margin: 0 0 15px; color: #58a6ff; }

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li {
  margin: 12px 0;
  display: flex;
  justify-content: space-between;
}

li strong { color: #7ee787; }

.actions {
  display: flex;
  gap: 15px;
  justify-content: center;
}

button {
  background: #21262d;
  color: #c9d1d9;
  border: 1px solid #30363d;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
}

button:hover { background: #30363d; }

.hidden { display: none; }