body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(#0a0f2c, #000);
  color: white;
}

.container {
  padding: 20px;
  text-align: center;
}

.title {
  margin-top: 40px;
}

.logo {
  font-size: 40px;
  margin: 40px 0;
  color: red;
}

.main-button {
  padding: 20px;
  font-size: 20px;
  border-radius: 20px;
  border: none;
  background: white;
  color: black;
}

.card {
  background: rgba(255,255,255,0.1);
  padding: 20px;
  border-radius: 20px;
  margin-top: 20px;
}

.mode {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 15px;
  border-radius: 10px;
  border: none;
}

.mode.active {
  background: green;
}

button {
  cursor: pointer;
}

table {
  width: 100%;
  margin-top: 15px;
}

td, th {
  padding: 10px;
}