/* === 90s / Early Web Brutalist Theme === */
:root {
  --bg-outer: #004040;      
  --bg-page: #d4d0c8;  
  --bg-content: #ffffff;    
  --bg-dark-panel: #000000; 
  --text-main: #000000;
  --text-muted: #444444;
  --title-bar-bg: #000080;
  --title-bar-text: #ffffff;
  --link-blue: #0000ee;
  --link-visited: #551a8b;
  --link-active: #ff0000;
  --border-light: #ffffff;
  --border-dark: #808080;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-outer);
  color: var(--text-main);
  font-family: "Times New Roman", Times, Georgia, serif;
  font-size: 16px;
  line-height: 1.45;
  margin: 0;
  padding: 20px 10px;
}

img {
  max-width: 100%;
  height: auto;
  image-rendering: pixelated;
}

a:link { color: var(--link-blue); text-decoration: underline; }
a:visited { color: var(--link-visited); }
a:hover, a:active { color: var(--link-active); background-color: #ffff00; }

.window-frame {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  background-color: var(--bg-page);
  border-top: 2px solid var(--border-light);
  border-left: 2px solid var(--border-light);
  border-right: 2px solid #000000;
  border-bottom: 2px solid #000000;
  padding: 4px;
  box-shadow: 4px 4px 0px #000000;
  overflow: hidden;
}

.title-bar {
  background-color: var(--title-bar-bg);
  color: var(--title-bar-text);
  font-family: "Courier New", Courier, monospace;
  font-weight: bold;
  font-size: 14px;
  padding: 4px 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.title-controls span {
  cursor: pointer;
  padding: 0 4px;
}

.title-controls span:hover {
  background-color: #ff0000;
  color: #ffffff;
}

/* Top Navigation Bar */
.nav-bar {
  font-family: "Courier New", Courier, monospace;
  font-size: 14px;
  padding: 6px 8px;
  background-color: var(--bg-page);
  border-bottom: 2px groove var(--border-light);
}

.nav-bar a {
  text-decoration: none;
  font-weight: bold;
  padding: 1px 6px;
  border-top: 1px solid var(--border-light);
  border-left: 1px solid var(--border-light);
  border-right: 1px solid #000000;
  border-bottom: 1px solid #000000;
  background-color: var(--bg-page);
  color: #000000;
}

.nav-bar a:active {
  border-top: 1px solid #000000;
  border-left: 1px solid #000000;
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.paper-inset {
  background-color: var(--bg-content);
  border-top: 2px solid var(--border-dark);
  border-left: 2px solid var(--border-dark);
  border-right: 2px solid var(--border-light);
  border-bottom: 2px solid var(--border-light);
  padding: 16px 20px;
  margin: 6px 0;
  overflow-x: auto;
}

.portal-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 8px;
  margin-top: 6px;
  min-width: 0;
}

.portal-grid aside,
.portal-grid main {
  min-width: 0;
}

/* Outer 3D Raised Box */
.box {
  background-color: var(--bg-page);
  border-top: 2px solid var(--border-light);
  border-left: 2px solid var(--border-light);
  border-right: 2px solid var(--border-dark);
  border-bottom: 2px solid var(--border-dark);
  padding: 4px;
  margin-bottom: 8px;
  max-width: 100%;
  overflow: hidden;
}

.box-header {
  background-color: #404040;
  color: #ffffff;
  font-family: "Courier New", Courier, monospace;
  font-size: 13px;
  font-weight: bold;
  padding: 2px 6px;
  margin-bottom: 6px;
}

.box-inset {
  background-color: var(--bg-content);
  border-top: 2px solid var(--border-dark);
  border-left: 2px solid var(--border-dark);
  border-right: 2px solid var(--border-light);
  border-bottom: 2px solid var(--border-light);
  padding: 10px;
  max-width: 100%;
  overflow-x: auto;
}

.box-dark {
  background-color: var(--bg-dark-panel);
  color: #00ff00;
  font-family: "Courier New", Courier, monospace;
  border-top: 2px solid var(--border-dark);
  border-left: 2px solid var(--border-dark);
  border-right: 2px solid var(--border-light);
  border-bottom: 2px solid var(--border-light);
  padding: 10px;
  max-width: 100%;
  overflow-x: auto;
}

.box-dark pre {
  background-color: transparent;
  color: #00ff00;
  margin: 0;
  border: none;
  padding: 0;
  max-width: 100%;
  overflow-x: auto;
}

.gif-dock {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  padding: 6px 0;
}

h1, h2, h3 {
  font-family: "Courier New", Courier, monospace;
  margin-top: 1.1em;
  margin-bottom: 0.4em;
}

h1 {
  font-size: 1.5rem;
  border-bottom: 2px solid #000000;
  padding-bottom: 4px;
  margin-top: 0;
}

pre, code {
  font-family: "Courier New", Courier, monospace;
  font-size: 14px;
}

pre {
  background-color: #000000;
  color: #00ff00;
  padding: 10px;
  overflow-x: auto;
  border: 2px inset var(--border-dark);
}

hr {
  border: none;
  border-top: 2px groove var(--border-light);
  margin: 14px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 15px;
}

th, td {
  border: 1px solid #808080;
  padding: 5px 8px;
  text-align: left;
}

th {
  background-color: var(--bg-page);
  font-family: "Courier New", Courier, monospace;
}

footer {
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
  text-align: center;
  padding: 6px;
  color: var(--text-muted);
  border-top: 2px groove var(--border-light);
  margin-top: 4px;
}

/* === Mobile === */
@media (max-width: 680px) {
  body {
    padding: 4px;
    font-size: 15px;
  }

  .window-frame {
    width: 100%;
    box-shadow: none;
    padding: 3px;
  }

  .title-bar {
    font-size: 13px;
    padding: 6px 8px;
  }

  .title-controls span {
    padding: 3px 7px;
    margin-left: 4px;
    background-color: var(--bg-page);
    color: #000000;
    border-top: 1px solid var(--border-light);
    border-left: 1px solid var(--border-light);
    border-right: 1px solid #000000;
    border-bottom: 1px solid #000000;
  }

  .nav-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    padding: 6px 4px;
    text-align: center;
  }

  .nav-bar a {
    padding: 6px 4px;
    display: block;
  }

  .portal-grid {
    grid-template-columns: 100%;
  }

  .portal-grid main {
    order: 1;
  }

  .portal-grid aside {
    order: 2;
  }

  .box-dark pre {
    font-size: 9px;
    line-height: 1.15;
  }

  .paper-inset {
    padding: 12px 10px;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}