/* Dark mode styl pro celý web */
html, body {
  background-color: #121212 !important;
  color: #e0e0e0 !important;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  margin: 0;
  padding: 0;
}

/* Navigace */
header {
  background-color: #1e1e1e;
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid #333;
}

nav a {
  color: #00bcd4;
  margin: 0 12px;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover {
  color: #80deea;
}

/* Sekce hlavního textu */
main {
  padding: 40px;
  max-width: 800px;
  margin: auto;
  line-height: 1.6;
}

h1, h2 {
  color: #ffffff;
}

/* Patička */
footer {
  text-align: center;
  padding: 15px;
  background-color: #1e1e1e;
  border-top: 1px solid #333;
  font-size: 0.9em;
  color: #999;
}