body {
    font-family: Arial, sans-serif;
    background-color: #e6f0ff;
    color: #003366;
    margin: 0;
    padding: 10px;
}

a    { text-decoration: none}
a:link {color: #004080;} /* nenavštívený */

a:visited {color: #004080;} /* navštívený*/
a:hover {color: #7BC6B2}

h1 {
    color: #004080;
    text-align: center;
}

h2 {
    color: #004080;
    text-align: center;
}

.container {
    max-width: 800px;
    margin: auto;
    padding: 10px;
    background: #f2f9ff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

canvas {
    display: block;
    margin: 20px auto;
    background: #ffffff;
    border: 1px solid #b3d1ff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 10px;
    max-width: 100%;
    height: auto !important;
}

canvas#chart {
    width: 100%;
    max-width: 700px; /* nebo 100%, 900px, podle potřeby */
    height: 300px;     /* výška v pixelech */
    margin: 20px auto;
}


.status-cards {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.card {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    width: 45%;
    text-align: center;
    font-size: 1.2em;
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
    margin: 10px 0;
}

.card.blue { background-color: #cce0ff; }
.card.green { background-color: #d0f0c0; }

.minmax-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1em;
}
.minmax-table th, .minmax-table td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: center;
}
.minmax-table thead {
  background-color: #f0f0f0;
}


@media (max-width: 600px) {
    .card {
        width: 100%;
    }
}

@media (max-width: 768px) {
  .minmax-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .minmax-table table {
    width: 100%;
  }

  .minmax-table thead {
    display: table-header-group;
  }
}