body {
  font-family: sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #f0f2f5;
  margin: 0;
  transition: background-color 0.3s, color 0.3s;
}

body.dark {
  background-color: #1a1a2e;
  color: #e0e0e0;
}

.container {
  text-align: center;
  background-color: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  transition: background-color 0.3s, box-shadow 0.3s;
}

body.dark .container {
  background-color: #16213e;
  box-shadow: 0 4px 8px rgba(0,0,0,0.5);
}

h1 {
  color: #333;
  transition: color 0.3s;
}

body.dark h1 {
  color: #e0e0e0;
}

#generate-btn {
  background-color: #4CAF50;
  color: white;
  padding: 15px 25px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  margin-top: 20px;
  transition: background-color 0.3s;
}

#generate-btn:hover {
  background-color: #45a049;
}

#numbers-container {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.number {
  width: 50px;
  height: 50px;
  background-color: #f0f0f0;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  font-weight: bold;
  color: #333;
  transition: background-color 0.3s, color 0.3s;
}

body.dark .number {
  background-color: #0f3460;
  color: #e0e0e0;
}

#theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  background: none;
  border: 2px solid #ccc;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 20px;
  cursor: pointer;
  transition: border-color 0.3s, background-color 0.3s;
  z-index: 100;
}

#theme-toggle:hover {
  background-color: rgba(0,0,0,0.05);
}

body.dark #theme-toggle {
  border-color: #555;
}

body.dark #theme-toggle:hover {
  background-color: rgba(255,255,255,0.05);
}

body {
  flex-direction: column;
  gap: 0;
  padding: 40px 16px;
  align-items: center;
}

#disqus_thread {
  width: 100%;
}