:root {
  --header-image: url('assets/catss.jpg');
  --bg-dark: #090406;
  --panel: #15090f;
  --content: #220c16;
  --accent: #ea638c;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  background-color: var(--bg-dark);
  color: #faedf0;
}

h1, h2, h3, #navbar a {
  font-family: 'VT323', monospace;
  letter-spacing: 1px;
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

#container {
  max-width: 900px;
  margin: 0 auto;
}

#container a {
  color: var(--accent);
  font-weight: bold;
}

#header {
  width: 100%;
  background-color: var(--panel);
  height: auto;
  aspect-ratio: 473 / 137;
  background-image: var(--header-image);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

#navbar {
  height: 40px;
  background-color: var(--bg-dark);
  width: 100%;
  border-bottom: 1px solid rgba(234, 99, 140, 0.25);
}

#navbar ul {
  display: flex;
  padding: 0;
  margin: 0;
  list-style-type: none;
  justify-content: space-evenly;
}

#navbar li {
  padding-top: 10px;
}

#navbar li a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

#navbar li a:hover {
  color: #ffffff;
  text-decoration: underline;
}

#flex {
  display: flex;
}

main {
  background-color: var(--content);
  flex: 1;
  padding: 20px;
  order: 2;
  min-width: 0;
}

aside {
  background-color: var(--panel);
  width: 220px;
  padding: 20px;
  font-size: smaller;
}

#leftSidebar {
  order: 1;
}

#rightSidebar {
  order: 3;
}

footer {
  background-color: var(--bg-dark);
  width: 100%;
  min-height: 40px;
  padding: 10px;
  text-align: center;
  border-top: 1px solid rgba(234, 99, 140, 0.25);
}

h1, h2, h3 {
  color: var(--accent);
}

h1 {
  font-size: 25px;
}

strong {
  color: var(--accent);
}

.box {
  background-color: var(--bg-dark);
  border: 1px solid var(--accent);
  padding: 10px;
  margin-bottom: 12px;
}

/* Wasm / Interactive Canvas Container */
.canvas-frame {
  background-color: var(--bg-dark);
  border: 1px solid var(--accent);
  padding: 8px;
  margin: 15px 0;
}

.canvas-frame-header {
  font-family: monospace;
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}

canvas#kernel-display {
  display: block;
  width: 100%;
  height: 200px;
  background: #000000;
  border: 1px solid #33101c;
  image-rendering: pixelated;
}

pre {
  background-color: var(--bg-dark);
  border: 1px solid var(--accent);
  padding: 10px;
  overflow-x: auto;
  color: var(--accent);
  font-family: monospace;
}

code {
  font-family: monospace;
}

@media only screen and (max-width: 800px) {
  #flex { flex-wrap: wrap; }
  aside { width: 100%; }
  main { order: 1; }
  #leftSidebar { order: 2; }
  #rightSidebar { order: 3; }
  #navbar ul { flex-wrap: wrap; height: auto; }
}