/* hra01.css */

body {
  margin: 0;
  padding: 0;
  background-color: #000;
  font-family: Arial, sans-serif;
  color: #fff;
}

.menu {
  text-align: center;
  margin-top: 100px;
}

.menu h1 {
  font-size: 48px;
  margin-bottom: 50px;
  text-shadow: 0 0 10px #0ff, 0 0 20px #0ff;
}

button {
  font-size: 24px;
  padding: 10px 20px;
  margin: 10px;
  border: none;
  border-radius: 5px;
  background: linear-gradient(45deg, #0ff, #00f);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 0 10px #0ff;
  transition: transform 0.2s;
}

button:hover {
  transform: scale(1.1);
}

#gameCanvas {
  display: block;
  margin: 0 auto;
  background-color: #111;
  border: 2px solid #0ff;
  box-shadow: 0 0 20px #0ff;
}

/* Overlay pro konec hry */
#gameOverOverlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  color: #0ff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  z-index: 10;
}

#gameOverOverlay input {
  font-size: 24px;
  padding: 5px;
  margin-top: 20px;
}

#gameOverOverlay button {
  font-size: 24px;
  padding: 10px 20px;
  margin-top: 20px;
}