* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* typography */

html {
  font-size: 100%;
  font-family: "Lora", Georgia, serif;
  color: #444444;
  line-height: 2;
}

/* headings */

h1,
h2,
h3 {
  font-family: "Playfair Display", Georgia, serif;
  padding: 0;
  font-weight: 700;
  line-height: 1.2;
  margin: 1.5rem 0 0.75rem;
}

h1 {
  font-size: 2.4rem;
  margin: 1rem 0 1rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  line-height: 1.6;
  font-size: 1.2rem;
}

h4 {
  line-height: 1.2;
  font-size: 1.2rem;
  margin: 1rem 0 0.5rem;
}

/* links */

a {
  text-decoration: none;
  color: #006b9c;
}
a:hover {
  color: #0099cd;
  text-decoration: none;
}

main a {
  font-weight: 600;
}
header a:hover,
nav a:hover {
  text-decoration: none;
}

/* content */
p {
  margin: 0 0 1rem;
}

tt {
  font-family: "Fira Code", "Consolas", monospace;
}

/* specific */

.clubs,
.blue,
.green,
.hearts {
  font-weight: 600;
}

.blue {
  color: #66abff;
}

.hearts {
  color: #9e2825;
}

.green {
  color: #99cc9a;
}

.clubs {
  color: #1e1e26;
}

strong {
  font-weight: normal;
  font-style: italic;
}

/* main */

.round {
  border-radius: 50%;
}

/* Dark blue theme: 
text {
  fill: white;
}
*/

/* main */

main {
  margin-bottom: 2rem;
}

/* Need a better solution than this */
main > * {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 2vw;
}

li {
  margin-left: 2rem;
}

/* figures */

figure {
  margin: 1.5rem auto;
  padding: 0 1vw;
  display: flex;
  flex-direction: column;
  max-width: 900px;
  justify-content: space-around;
  align-items: center;
  font-size: 1rem;
}

figure > div {
  display: flex;
  width: 100%;
  justify-content: space-around;
  flex-wrap: wrap;
}

figure img {
  margin: 1rem;
}

figcaption {
  color: #444;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 500px;
  text-align: center;
}

/* charts (interactive) */

.chart {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  justify-items: center;
  align-items: center;

  overflow: auto;

  text-align: left;

  margin: 2rem auto;
  padding: 1rem 0;

  max-width: none;
  width: 100%;

  background: #eaf3f6;

  /* alternate dark: */
  /* background: #111;
  fill: white;
  stroke: white; */

  border-top: 1px solid #cad3d6;
  border-bottom: 1px solid #cad3d6;

  font-size: 1rem;
  line-height: 1;
}

svg {
  overflow: auto;
}
/* Dark blue: 

.chart {
  border-top: 1px solid #111;
  background: #012;
  border-bottom: 1px solid #111;
  color: white;
}
*/

.three-columns {
  grid-template-columns: 1fr 1fr 1fr;
}

.two-columns {
  grid-template-columns: 1fr 1fr;
}

.center {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
}

.metagraph-tooltip {
  background: #555;
  padding: 5px 5px 0px 5px;
  margin: 0px;
  display: none;
}

/* Chart-specific styles */

.grid-container,
.hist-container,
.rows {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 1rem 0;
}

.chart h3,
.chart h4 {
  margin: 0;
  line-height: 1.2;
}

.chart h4 {
  font-size: 1.2rem;
  margin: 0.2rem 0;
  text-align: center;
}

.chart p {
  margin: 0;
}

.graph-container {
  text-align: center;
}

.graph {
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.chart button {
  color: white;
  letter-spacing: 0.1rem;
  text-transform: uppercase;
  font-size: 1rem;
  border: none;
  outline: none;
  padding: 0.4rem;
  cursor: pointer;
  background: #0099cd;
  text-align: center;
  border-radius: 4px;
  box-shadow: 0 -0.5px 0 #e0e0e0, 0 0 1px rgba(0, 0, 0, 0.12),
    0 1px 2px rgba(0, 0, 0, 0.24);
  margin: 1rem 0;
}


.chart button-sm {
  color: white;
  letter-spacing: 0.1rem;
  text-transform: uppercase;
  font-size: 1rem;
  border: none;
  outline: none;
  padding: 0.4rem;
  cursor: pointer;
  background: #0099cd;
  text-align: center;
  border-radius: 4px;
  box-shadow: 0 -0.5px 0 #e0e0e0, 0 0 1px rgba(0, 0, 0, 0.12),
    0 1px 2px rgba(0, 0, 0, 0.24);
  margin: 10px 5px;
}

.chart button-sm:hover {
  background: #006b9c;
}

.chart button:hover {
  background: #006b9c;
}

.plan-builder-header {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-around;
  margin: 1rem 0;
}

.plan-builder-header button {
  margin: 0;
}

.chart button.disabled {
  background: darkred;
  color: #999;
  cursor: not-allowed;
}

/* header */

header {
  padding: 0;
  text-align: center;
}

summary {
  border-top: 1px solid #5a6366;
  border-bottom: 1px solid #5a6366;
  padding: 0.8rem 1vw;
  line-height: 1.6;
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 1rem auto;
  color: #444;
}

h1 {
  line-height: 1.2;
  margin: 1rem 0;
  font-size: 3rem;
}

header > img {
  margin: 1rem 0;
}

.subtitle {
  font-weight: bold;
  letter-spacing: 0.1rem;
  font-size: 1rem;
  margin: 0 0 0 0;
}

/* banner */

.banner {
  line-height: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  padding: 1rem;
  margin: 0 auto;
  background: #f9f9f9;
  box-shadow: 0 -10px 15px -20px rgba(0, 0, 0, 0.3) inset;
}

.logo {
  width: 150px;
}

/* footer */

footer {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: start;
  padding: 1rem 1vw 2rem;

  font-family: "Source Sans Pro", sans-serif;
  font-size: 0.8rem;

  box-shadow: 0 -10px 10px -10px rgba(0, 0, 0, 0.3);

  border-top: 1px solid #111;
  /* color: #0099cd; */
  color: #aaa;
  background: #010101;
}

/* footer a {
  color: white;
}

footer a:visited {
  color: #eeeeff;
} */

footer a {
  color: #0099cd;
}

footer a:hover {
  color: #5dcaff;
}

footer > p {
  margin: 0.2rem 0;
  max-width: 400px;

  text-align: right;
  line-height: 1.5;
}

/* navigation */

nav {
  margin: 4rem 0 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(max-content, 1fr));
  grid-gap: 1rem;
}

@media only screen and (max-width: 600px) {
  nav {
    display: block;
  }
}

.nav-link,
.current-page {
  font-weight: 600;
  padding: 0.8rem 1rem;
  text-decoration: none;
  background: #f0f0f8;
  margin: 0 0 1rem 0;
  font-family: "Source Sans Pro";
}

.current,
.next,
.previous {
  display: flex;
  flex-direction: column;
}

.current {
  color: #5a6366;
  font-weight: normal;
  font-style: italic;
  align-items: center;
  /* justify-self: center; */
  grid-column: 2 / 3;
}

.next {
  /* justify-self: flex-end; */
  grid-column: 3 / 4;
  align-items: flex-end;
}

.previous {
  /* justify-self: flex-start; */
  align-items: flex-start;
  grid-column: 1 / 2;
}