:root {
  --font-display: "VT323", monospace;
  --font-body: "Inter", sans-serif;

  --bg-color: rgb(250, 250, 250);
  --fg-color: rgb(38, 38, 38); 
}

h1,
header {
  font-family: var(--font-display);
}
body,
p,
button,
input {
  font-family: var(--font-body);
}

body {
  margin: 0;
  padding: 0;
  color: var(--fg-color);
  background: var(--bg-color);
  font-size: 16px;
}

header {
  position: sticky;
  top: 0;
  padding: 10px 16px 0 16px;
  background-color: var(--bg-color);
  /* border-bottom: 3px double var(--fg-color); */
  font-size: 1.2rem;
}

.classic-title {
  display: flex;
  justify-content: center;
  padding-bottom: 1rem;
}

.ruler-horizontal {
    height: 20px;
  /* Low ticks */
  --ruler1-bdw: 1px;
  --ruler1-c: var(--fg-color);
  --ruler1-h: 8px;
  --ruler1-space: 5;

  /* Tall ticks */
  --ruler2-bdw: 1px;
  --ruler2-c: var(--fg-color);
  --ruler2-h: 20px;
  --ruler2-space: 50;

  background-image:
    linear-gradient(90deg, var(--ruler1-c) 0 var(--ruler1-bdw), transparent 0),
    linear-gradient(90deg, var(--ruler2-c) 0 var(--ruler2-bdw), transparent 0);

  background-repeat: repeat-x;
  background-size:
    calc(1px * var(--ruler1-space)) var(--ruler1-h),
    calc(1px * var(--ruler2-space)) var(--ruler2-h);

  margin-top: 1rem;
  padding-bottom: 0.6rem;
  border-top: 1px solid var(--fg-color);
  border-bottom: 1px solid var(--fg-color);
}

.ruler-vertical {
  position: static;
  height: 100vh;
  width: 20px;
  background-color: red;
}

main::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 100vh;
  /* background: red; */
  z-index: 999;
  pointer-events: none;
}

main {
  display: flex;
  position: relative;   /* required for ::after positioning */
  margin-inline: auto;  /* keep centered */
  width: fit-content;   /* or your fixed/max width */
  z-index: -1;
  max-width: 1000px;
}

.double-border {
  width: 80vw;
  max-width: 1000px;
  border: 3px double var(--fg-color);
  border-radius: 10px;
}
/* 
.polka {
  border-radius: 6px;
  padding: 1rem;
  background-image:
    radial-gradient(var(--fg-color) 30%, transparent 0),
    radial-gradient(var(--fg-color) 30%, transparent 0);
  background-position:
    0px 0px,
    3px 3px;
  background-size: 6px 6px;
  background-color: #f5f4f0;
} */

.content-container {
  min-height: 40vh;
  padding: 2rem;
  border-left: 2px solid var(--fg-color);
  border-right: 2px solid var(--fg-color);
  /* border-radius: 10px; */
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.main-nav div {
  padding: 4px 12px;
  border: 1px solid var(--fg-color);
  border-radius: 12px;
  box-shadow: 1px 1px 0 0px var(--fg-color);
}

.current {
  background-color: #f3edd9;
  box-shadow: 1px 1px 0 0px inset var(--fg-color) !important;
}

.main-nav div:hover {
  background-color: #f3edd9;
  box-shadow: 1px 1px 0 0px inset var(--fg-color);
}

.main-nav a {
  text-decoration: none;
  background-color: var(--bg-color);
}

.main-nav a:hover {
  color: var(--fg-color);
}

h1 {
  font-size: 2.6em;
}

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

a:hover {
  color: rgb(92, 92, 92);
}

:is(h1, h2, h3, h4, h5, h6) {
  color: rgb(52, 52, 52);
}