/* CSS Document */

nav a {
  display: block;
  width: auto;
  margin: 8px 0;
  padding: 8px 20px;
  background: linear-gradient(to right, #004080, #0066cc);
  color: #fff;
  text-decoration: none;
  text-align: center;
  font-weight: bold;
  border: 2px solid #ffffff33;
  border-radius: 6px;
  font-size: 14px;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
  transition: background 0.3s, transform 0.2s;
  }


body, html {
  margin: 0;
  padding: 0;
  height: 100%;
}

main {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  margin: 0 auto;
}

header {
  height: 50px;
  background-color: #008000;
  color: #f9f9f9;
  text-align: center;
  line-height: 10px; /* Zabezpečí vertikálne zarovnanie textu */
  width: 100%;
}

.container {
  display: flex;
  flex: 1;
  width: 100%;
}

nav {
  width: 200px;
  background-color: #0a2472;
}

section {
  flex: 1;
  background-color: #f9f9f9;
  overflow: auto;
}

article {
  margin: 10px;
  background-color: rgb(0,192,224);
  border: 1px solid rgb(0,192,224);
  border-radius: 20px;
  padding: 20px

}

footer {
  height: 20px;
  background-color: #008000;
  color: #f9f9f9;
  text-align: center;
  width: 100%;
}

@media screen and (max-width: 1300px) {
  main {
    max-width: 800px;
  }
}

@media screen and (max-width: 800px) {
  main {
    max-width: 600px;
  }
  .container {
    flex-direction: column;
  }
  nav, section {
    width: 100%;
  }
}