:root {
  --background-color: #f0f0f0;
  --container-background: #ffffff;
  --primary-color: #4a90e2;
  --primary-hover-color: #357abd;
  --text-color: #333333;
  --ball-text-color: #ffffff;
  --ball-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

body.dark-mode {
  --background-color: #2c2c2c;
  --container-background: #424242;
  --text-color: #ffffff;
  --primary-color: #5a9ee4;
  --primary-hover-color: #4a8ad2;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--background-color);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  transition: background-color 0.3s, color 0.3s;
}

.container {
  text-align: center;
  background-color: var(--container-background);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s;
}

h1 {
  color: var(--text-color);
  margin-bottom: 30px;
}

.lotto-numbers-container {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.generate-button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 15px 30px;
  font-size: 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.generate-button:hover {
  background-color: var(--primary-hover-color);
}

/* Theme Switch Styles */
.theme-switch-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.theme-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.theme-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary-color);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

/* Contact Form Styles */
.contact-form-container {
  margin-top: 40px;
  max-width: 500px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  text-align: left;
}

.contact-form label {
  color: var(--text-color);
  font-weight: bold;
  margin-bottom: 5px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
  background-color: var(--background-color);
  color: var(--text-color);
  transition: border-color 0.3s;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
  border-color: var(--primary-color);
  outline: none;
}

.contact-form textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-form .submit-button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 15px 30px;
  font-size: 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  width: auto;
  align-self: center;
  margin-top: 10px;
}

.contact-form .submit-button:hover {
  background-color: var(--primary-hover-color);
}