/* 1. Use a more-intuitive box-sizing model */


*, *::before, *::after {
  box-sizing: border-box;
}

/* 2. Remove default margin */
* {
  margin: 0;
  font-family: sans-serif;
}

body {
  /* 3. Add accessible line-height */
  line-height: 1.5;
  /* 4. Improve text rendering */
  -webkit-font-smoothing: antialiased;
  padding: 0 1em;
  height: 100vh;
  background-image: radial-gradient(73% 147%, #EADFDF 59%, #ECE2DF 100%), radial-gradient(91% 146%, rgba(255,255,255,0.50) 47%, rgba(0,0,0,0.50) 100%);
  background-blend-mode: screen;
}

/* 5. Improve media defaults */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

/* 6. Inherit fonts for form controls */
input, button, textarea, select {
  font: inherit;
}

/* 7. Avoid text overflows */
p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

/* 8. Improve line wrapping */
p {
  text-wrap: pretty;
}
h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
}

dt{
  font-weight: 600;
}

dd + dt{
  margin-top: .2em;
}

button[popovertarget]{
  cursor: pointer;
  display: inline-block;
  width: 1.5em;
  height: 1.5em;
  border-radius: 50%;
  border: 1px solid #fff;
  background: #5470c6;
}

button[popovertarget]::before{
  content: '?';
  color: #fff;
  font-weight: 700;
}

button[popovertarget]>span{
  position: absolute;
  left: -999em;
  top: -999em;
}

[popover] {
  border: none;
  border-radius: 1em;
  background: #fff;
  padding: 1.5em;
  border-radius: var(--small-border);
  box-shadow: .0625em .0625em .625em rgba(0, 0, 0, 0.1);
  max-width: 40em;
  top: 4em;
  margin: 0 auto;
}

[popover]::backdrop{
  background-color: rgba(0,0,0,.5);
}


/*
  9. Create a root stacking context
*/
#root, #__next {
  isolation: isolate;
}

nav>ul{
  list-style: none;
}

body>header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3em;
    background: #ccc;
    z-index: 99;
    display: flex;
    align-items: center;
    padding: 0 1em;
}

main{
    width: 100%;
    height: 100vh;
    padding: 4em 0 1em;
    display: grid;
    grid-template-columns: repeat(4, minmax(10%, 50%));
    grid-template-rows: repeat(3, 1fr) 4em;
    grid-template-areas:
      "chart2 chart2 chart5 chart5"
      "chart1 chart1 chart3 chart4"
      "chart1 chart1 chart3 chart4"
      "timeline timeline timeline timeline";
    gap: .5em;
}

article{
    background: #f9f9f9;
    border: .0625em solid #ccc;
    box-shadow: 0 5px 10px rgba(154,160,185,.05), 0 15px 40px rgba(166,173,201,.2);
    border-radius: .2em;
    display: grid;
}

article.header{
    grid-template-columns: 100%;
    grid-template-rows: minmax(1%, 10%) 1fr;
    padding: .5em 1em 1em .5em;
}

article>header{
  display: grid;
  grid-template-columns: 1fr 1em;
  grid-template-rows: 1fr;
}

article>header>h2{
    font-size: .8em;
    font-weight: 600;
}

@media(max-width: 960px){

  body{
    height: auto;
  }

  main{
    height: auto;
    grid-template-columns: 100%;
    grid-template-rows: repeat(4, minmax(20em, 25em));
  }
}