:root {
  --bg-color: #f0f0f0;
  --text-color: #333;
  --card-bg-color: #fff;
  --card-border-color: #333;
  --button-bg: #4CAF50;
  --button-hover: #45a049;
}

body.dark-mode {
  --bg-color: #1a1a1a;
  --text-color: #f0f0f0;
  --card-bg-color: #333;
  --card-border-color: #f0f0f0;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100vh;
}

body {
  font-family: sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
  padding-top: 50px;
}

h1 {
  margin-bottom: 30px;
}

.lotto-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 20px;
  min-height: 60px;
}

.lotto-number {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--card-bg-color);
  border: 2px solid var(--card-border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin: 5px;
  font-weight: bold;
}

#generate-btn {
  padding: 12px 24px;
  font-size: 18px;
  cursor: pointer;
  border: none;
  background-color: var(--button-bg);
  color: white;
  border-radius: 8px;
  transition: transform 0.1s, background-color 0.3s;
  margin-bottom: 40px;
}

#generate-btn:active {
  transform: scale(0.95);
}

.theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 8px 16px;
  cursor: pointer;
  border-radius: 20px;
  border: 1px solid var(--card-border-color);
  background-color: var(--card-bg-color);
  color: var(--text-color);
  z-index: 100;
}

#map-container {
  width: 90%;
  max-width: 800px;
  margin-bottom: 50px;
}

#map {
  height: 450px;
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--card-border-color);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
  background-color: #e5e3df; /* Map placeholder color */
}