body {
  font-family: 'Poppins', sans-serif;
  display: flex;
  flex-direction: column; 
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #f0f2f5;
  color: #333;
  transition: background-color 0.3s, color 0.3s;
  margin: 0;
  padding: 20px 0; 
}

.dark-mode {
  background-color: #1a1a1a;
  color: #f0f2f5;
}

.container {
  text-align: center;
  background-color: #fff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  position: relative;
  max-width: 500px;
  width: 90%;
  margin-bottom: 20px; 
}

.dark-mode .container {
  background-color: #2c2c2c;
  box-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

#theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  cursor: pointer;
  background-color: #e0e0e0;
  border: none;
  padding: 8px 12px;
  border-radius: 5px;
  font-family: 'Poppins', sans-serif;
}

.dark-mode #theme-toggle {
    background-color: #444;
    color: #f0f2f5;
}

h1, h2 { 
  margin-bottom: 10px;
}

p {
  margin-bottom: 30px;
  color: #666;
}

.dark-mode p {
  color: #aaa;
}

#generator-btn, #submit-btn {
  background-color: #4CAF50;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
  border-radius: 8px;
  border: none;
  transition: background-color 0.3s;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
}

#generator-btn:hover, #submit-btn:hover {
  background-color: #45a049;
}

#lotto-numbers {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.lotto-set {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.lotto-ball {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    font-weight: 700;
    animation: reveal 0.5s ease-out forwards;
    opacity: 0;
    transform: scale(0.5);
}

.green-ball { background-color: #4CAF50; }
.blue-ball { background-color: #2196F3; }
.red-ball { background-color: #F44336; }
.orange-ball { background-color: #FF9800; }
.purple-ball { background-color: #9C27B0; }

#contact-form form { 
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-group { 
  text-align: left;
}

.form-group label { 
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-group input, .form-group textarea { 
  width: 100%;
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
  font-family: 'Poppins', sans-serif;
}

.dark-mode .form-group input, .dark-mode .form-group textarea { 
  background-color: #444;
  border-color: #555;
  color: #f0f2f5;
}


@keyframes reveal {
  to {
    opacity: 1;
    transform: scale(1);
  }
}