:root {
  --bg-color: #ffffff;
  --text-color: #333333;
  --btn-bg: #e0e0e0;
  --btn-text: #333333;
  --transition-speed: 0.3s;
}

[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #e0e0e0;
  --btn-bg: #333333;
  --btn-text: #ffffff;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

.container {
  text-align: center;
  width: 100%;
  max-width: 800px;
  padding: 20px;
}

header {
  margin-bottom: 40px;
}

h1 {
  margin: 0 0 20px;
}

#theme-toggle {
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  font-size: 1rem;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

#lotto-numbers {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  padding: 20px;
}

/* Contact Form Styles */
.contact-form-section {
  margin-top: 40px;
  text-align: left;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.contact-form-section h2 {
  text-align: center;
  margin-bottom: 20px;
}

.contact-form-section hr {
  border: 0;
  border-top: 1px solid var(--btn-bg);
  margin-bottom: 30px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: bold;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  padding: 12px;
  border: 1px solid var(--btn-bg);
  border-radius: 5px;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-size: 1rem;
  transition: border-color var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #007bff;
}

.submit-btn {
  padding: 12px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  background-color: #007bff;
  color: white;
  font-size: 1rem;
  font-weight: bold;
  transition: background-color var(--transition-speed), transform 0.1s;
}

.submit-btn:hover {
  background-color: #0056b3;
}

.submit-btn:active {
  transform: scale(0.98);
}