body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #d6eafa;
}

.top-header {
  background: #092438;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 40px;
}

.logo {
  width: auto;
  height: 64px;
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: calc(100vh - 120px);
}

.card {
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  text-align: center;
}

.attention {
  color: #ff7a00;
  font-weight: bold;
}

.helper {
  color: #555;
  margin-bottom: 20px;
}

.label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}

input[type="text"] {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
}

button {
  margin-top: 20px;
  padding: 12px;
  width: 100%;
  background: #2ecc71;
  border: none;
  color: #fff;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
}

button:disabled {
  background: #ccc;
  cursor: not-allowed;
}