body {
  font-family: Arial, sans-serif;
  margin: 20px;
  background-color: #f9f9f9;
  color: #333;
}

h1 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 2em;
}

.visited-count {
  font-size: 28px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 30px;
}

.filter {
  text-align: center;
  margin-bottom: 30px;
}

canvas {
  max-width: 800px; /* větší šířka */
  height: 400px;     /* vyšší výška */
  margin: 0 auto 50px auto;
  display: block;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}


/* --- Tooltip barvy --- */
.chartjs-tooltip {
  background: rgba(0,0,0,0.7) !important;
  color: #fff !important;
  border-radius: 4px !important;
  padding: 5px 10px !important;
  font-size: 12px !important;
}

/* --- Menší grafy pro mobil --- */
@media (max-width: 768px) {
  canvas {
    max-width: 100%;
  }

  .filter {
    flex-direction: column;
    align-items: center;
  }

  .filter label {
    margin-bottom: 5px;
  }
}