body {
  font-family: Arial, sans-serif;
  background-color: #121212;
  margin: 0;
  padding: 20px;
  color: #f1f1f1;
}
.container {
  max-width: 1000px;
  margin: auto;
  background: #1e1e1e;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(255,255,255,0.1);
}
.logo {
  width: 180px;
  margin-bottom: 1rem;
  display: block;
}
h1, h3 {
  color: #FFB400;
}
form label {
  display: block;
  margin: 1rem 0 0.5rem;
}
input {
  width: 100%;
  padding: 0.5rem;
  font-size: 1rem;
  background: #2a2a2a;
  color: #fff;
  border: 1px solid #555;
}
button {
  margin-top: 1rem;
  padding: 0.75rem;
  width: 100%;
  background-color: #FFB400;
  border: none;
  color: #000;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 5px;
}
.toggle {
  background: #007BFF;
  margin-top: 2rem;
  color: white;
}
.collapsible {
  margin-top: 1rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}
th, td {
  border: 1px solid #444;
  padding: 0.5rem;
  text-align: center;
}
th {
  background-color: #333;
  color: #FFB400;
}