:root {
  --dark-accent-color: #5C6BC0;
  --dark-bg-color: black;
  --dark-alt-bg-color: #5c6bc0;
  --dark-cont-bg-color: transparent;
  --dark-header-bg-color: #121212;
  --dark-text-color: #eeeeee;
  --dark-btn-color: #303f9f;
  --dark-link-color: #5C6BC0;
  --dark-shadow-color: #1a1a1a;

  --dark-green-bg-color: #26a269;
  --dark-green-border-color: #176943;
}
body {
  min-height: 100%;
  font-family: "Noto Sans", "Liberation Sans","Trebuchet MS", Arial, Helvetica, sans-serif;
  margin: 0;
  --accent-color: #1A237E;
  --cont-bg-color: white;
  --alt-bg-color: #283593;
  --bg-color: #f6f5f4;
  --header-bg-color: white;
  --text-color: black;
  --btn-color: #303f9f;
  --link-color: #3949AB;
  --shadow-color: rgba(0,0,0,.15);

  --green-bg-color: #8ff0a4;
  --green-border-color: #33d17a;

  background-color: var(--bg-color);
  color: var(--text-color);

}
header{
  align-self: start;
  padding: 0.5rem;
}

a {
  color: var(--link-color);
}

.header-list{
  width: fit-content;
  width: -moz-fit-content;
  padding: 0.5rem;
  background-color: var(--header-bg-color);
  border-radius: 1rem;
  align-items: center;
  justify-content: center;
  margin: auto;
  min-height: 2rem;
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 1rem;
}

.tab-button{
  padding: 0.5rem 1rem;
  border-radius: .25rem;
  text-decoration: underline;
  font-weight: 600;
  transition: 0.15s;
  color: var(--text-accent-color);
}
.tab-button.active{
  color: #fff;
  background-color: var(--btn-color); 

}
.tab-button:focus {
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  outline: none;
  box-shadow: 0 0 2px 2px var(--accent-color), 0 .5rem 1rem rgba(0,0,0,.15) !important;
}
.tab-button:hover {
  box-shadow: 0 .5rem 1rem rgba(0,0,0,.15);
  background-color: var(--btn-color);
  box-shadow: 0 0 2px 2px var(--accent-color), 0 .5rem 1rem rgba(0,0,0,.15) !important;
  color: white;
}


/* Container for main content */
.cont {
  background-image: url(/img/noise.png);
  margin: auto;
  min-width: 20%;
  background: var(--cont-bg-color);
  border-radius: 1rem;
  grid-area: main;
}

.alert {
}

.center-txt{
  text-align: center;
}


@media screen and (max-width:600px){
  .cont {
    max-width: 100%;
    width: calc(100% - 0.5rem);
    padding: 0.25rem;
  }
}
@media only screen and (max-width:800px){
  .cont {
    max-width: 90%;
  }
}

@media only screen and (min-width:800px){
  .cont {
    max-width: 80%;
  }
}

@media only screen and (min-width:1000px){
  .cont {
    padding: 1rem;
    width: max-content;
    max-width: 50%;
  }
}

@media only screen and (min-width:1300px){
  html {
    font-size: 18px;
  }
}
@media only screen and (min-width:2000px){
  html {              
    font-size: 20px;
  }
  .cont {
    max-width: 40%;
  }
}



@media (prefers-color-scheme: dark) {
  body.theme-auto {
    --bg-color: var(--dark-bg-color);
    --alt-bg-color: var(--dark-alt-bg-color);
    --cont-bg-color: var(--dark-cont-bg-color);
    --header-bg-color: var(--dark-header-bg-color);
    --text-color: var(--dark-text-color);
    --btn-color: var(--dark-btn-color);
    --accent-color: var(--dark-accent-color);
    --link-color: var(--dark-link-color);
    --shadow-color: var(--dark-shadow-color);
    } 
}