body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0d0d0d;
  color: #e6e6e6;
}

header {
  background: #111;
  padding: 20px;
  text-align: center;
  font-size: 32px;
  font-weight: bold;
  color: #ffffff;
  border-bottom: 2px solid #222;
}

nav {
  background: #151515;
  padding: 12px 0;
  display: flex;
  justify-content: center;
  gap: 40px;
  border-bottom: 1px solid #222;
}

nav a {
  color: #cccccc;
  text-decoration: none;
  font-size: 18px;
  transition: 0.2s;
}

nav a:hover {
  color: #ffffff;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 20px;
  background: #121212;
  border-radius: 8px;
  border: 1px solid #222;
}
.login-button {
  display: inline-block;
  padding: 12px 20px;
  background: #4aa3ff;
  color: #fff;
  border-radius: 6px;
  font-size: 18px;
  margin-bottom: 20px;
  transition: 0.2s;
}

.login-button:hover {
  background: #1e7cd8;
}

h1, h2 {
  color: #ffffff;
}