body {
  margin: auto;
  font-family: 'Orbitron', Arial, sans-serif;
  background: radial-gradient(circle at top, #00fff7, #555);
  color: #00fff7;
}

h1, h2, h3 {
  color: #ff2fdc;
  text-shadow: 0 0 8px #ff2fdc;
}

.card {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid #00fff7;
  border-radius: 10px;
  padding: 20px;
  margin: 20px;
  box-shadow: 0 0 20px rgba(0,255,247,0.3);
}

a.cyber-btn {
  display: inline-block;
  padding: 14px 20px;
  color: #00fff7;
  background: linear-gradient(90deg, #00fff7, #ff2fdc);
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
  box-shadow: 0 0 15px #00fff7;
}

a.cyber-btn:hover {
  filter: brightness(1.2);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

button {
  padding: 14px;
  font-size: 16px;
  border-radius: 8px;
  border: none;
  background: #0a7c3a;
  color: white;
}

.card {
  background: #f2f2f2;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 8px;
}

.toolbar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
select {
  width: 100%;
  padding: 10px;
  margin-bottom: 8px;
}

.toolbar,
select,
input,
button,
label,
textarea {
  position: relative;
  z-index: 10;
} 

<style>
  canvas {
  width: 100%;
  max-width: 100%;
  height: auto;
  background: #2e7d32;
  border-radius: 14px;
  touch-action: none;
  display: block;
  margin: 8px auto;

  position: relative;   /* DŮLEŽITÉ */
  z-index: 1;           /* DŮLEŽITÉ */
}
  select,
  button,
  input,
  textarea {
    font-size: 16px;
    padding: 12px;
  }

  .toolbar button {
    font-size: 20px;
  }

  label {
    display: block;
    margin-top: 10px;
    font-size: 14px;
  }

  input[type="range"] {
    width: 100%;
  }

  textarea {
    width: 100%;
    min-height: 80px;
  }


.center-line,
.center-circle,
.penalty-area,
.goal-area,
.penalty-spot {
  z-index: 1;
}
.player {
  z-index: 10;
}


</style>