:root {
  --max-width: 1100px;
  --border-radius: 12px;
  --font-body: sans-serif;
  --font-mono: ui-monospace, Menlo, Monaco, "Cascadia Mono", "Segoe UI Mono",
    "Roboto Mono", "Oxygen Mono", "Ubuntu Monospace", "Source Code Pro",
    "Fira Mono", "Droid Sans Mono", "Courier New", monospace;

  --foreground-rgb: 0, 0, 0;
  --background-start-rgb: 214, 219, 220;
  --background-end-rgb: 255, 255, 255;

  --link-rgb: 48, 48, 48;
  --link-hover-rgb: 126, 126, 216;

  --primary-glow: conic-gradient(
    from 180deg at 50% 50%,
    #16abff33 0deg,
    #0885ff33 55deg,
    #54d6ff33 120deg,
    #0071ff33 160deg,
    transparent 360deg
  );
  --secondary-glow: radial-gradient(
    rgba(255, 255, 255, 1),
    rgba(255, 255, 255, 0)
  );

  --tile-start-rgb: 239, 245, 249;
  --tile-end-rgb: 228, 232, 233;
  --tile-border: conic-gradient(
    #00000080,
    #00000040,
    #00000030,
    #00000020,
    #00000010,
    #00000010,
    #00000080
  );

  --callout-rgb: 238, 240, 241;
  --callout-border-rgb: 172, 175, 176;
  --card-rgb: 180, 185, 188;
  --card-border-rgb: 131, 134, 135;
}

@media (prefers-color-scheme: dark) {
  :root {
    --foreground-rgb: 255, 255, 255;
    --background-start-rgb: 0, 0, 0;
    --background-end-rgb: 0, 0, 0;

    --primary-glow: radial-gradient(rgba(1, 65, 255, 0.4), rgba(1, 65, 255, 0));
    --secondary-glow: linear-gradient(
      to bottom right,
      rgba(1, 65, 255, 0),
      rgba(1, 65, 255, 0),
      rgba(1, 65, 255, 0.3)
    );

    --tile-start-rgb: 2, 13, 46;
    --tile-end-rgb: 2, 5, 19;
    --tile-border: conic-gradient(
      #ffffff80,
      #ffffff40,
      #ffffff30,
      #ffffff20,
      #ffffff10,
      #ffffff10,
      #ffffff80
    );

    --callout-rgb: 20, 20, 20;
    --callout-border-rgb: 108, 108, 108;
    --card-rgb: 100, 100, 100;
    --card-border-rgb: 200, 200, 200;
  }
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html,
body {
  font-family: var(--font-body);
  color: rgb(var(--foreground-rgb));
}

a,
a:active,
a:visited {
  color: rgb(var(--link-rgb));
  text-decoration: none;
}

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

.container {
  display: flex;
  flex-direction: row;
  height: 100vh;
  width: 100%;
  overflow: auto;
}

.content {
  flex: 1;
}

header {
  width: 200px;
  padding: 0.5rem;
  background-color: rgb(var(--foreground-rgb));
  color: rgb(var(--background-end-rgb));
  border-right: 1px solid rgb(var(--callout-border-rgb));
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-mono);
}

header a,
a:active,
a:visited {
  color: rgb(var(--background-start-rgb));
}

header,
a:hover {
  color: rgb(var(--background-end-rgb));
}

button {
  padding: 0.8em;
  border-radius: 0.2em;
  line-height: 1em;
  cursor: pointer;
}

@media (prefers-color-scheme: dark) {
  html {
    color-scheme: dark;
  }
}