html{
  width: vw;
}

/* Reset & Base Styles */
body {
  width: 100%;
  margin: 0;
  font-family: system-ui, sans-serif;
  background-color: #f2f2f2;
  color: #222;
}

a {
  text-decoration: none;
  color: #0000EE;
  transition: color 0.2s ease-in-out;
}

a:hover {
  color: #0044FF;
  font-weight: bold;
  background-color: yellow;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: yellow;
  color: black;
  padding: 8px;
  z-index: 100;
}
.skip-link:focus {
  top: 0;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 99;
  background: #0000AA; /* Classic retro blue */
  color: white;
  padding: 1rem;
  border-bottom: 3px double #FFF;
}

header nav a {
  color: yellow;
  font-weight: normal;
  margin-right: 1rem;
  text-decoration: none;
}

header h1 {
  margin: 0;
  font-size: 1.75rem;
}

header p {
  margin: 0.3rem 0 0.6rem;
  font-size: 1rem;
}

header nav {
  margin-top: 0.5rem;
}

header nav a {
  margin-right: 1rem;
  font-weight: normal;
}

#mute-toggle {
  position: absolute;
  top: 10px;
  right: 10px;
  background: lightgray;
  border: 1px solid #999;
  cursor: pointer;
  padding: 5px 10px;
}

/* Marquee */
marquee {
  background-color: yellow;
  color: blue;
  font-weight: bold;
  padding: 0.5rem;
  border-bottom: 2px dashed #666;
  position: sticky;
  top: 70px;
  z-index: 98;
}

/* Layout */
.container {
  display: flex;
  gap: 2rem;
  padding: 1rem;
  max-width: 1200px;
  margin: auto;
}

/* Sidebar */
aside {
  width: 280px;
  background: #f2f2f2;
  padding: 1rem;
  border-right: 2px dotted #0000AA;
  font-size: 0.95rem;
}


aside h2 {
  margin-top: 0;
}

/* Main Content */
main {
  flex: 1;
}

main section {
  margin-bottom: 2rem;
}

h2 {
  color: #0000EE;
  border-bottom: 2px solid #ddd;
  padding-bottom: 0.2rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  background: #eee;
  font-size: 0.9rem;
}

/* Table */
.retro-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.95rem;
}

.retro-table th,
.retro-table td {
  border: 1px solid #ccc;
  padding: 0.5rem;
  text-align: left;
  background-color: #fff;
}

.retro-table th {
  background-color: #ddd;
}

/* Dialog */
dialog {
  padding: 1rem;
  border: 2px solid #888;
  background: white;
  width: 400px;
  max-width: 90%;
  font-size: 0.95rem;
}

dialog::backdrop {
  background-color: rgba(0, 0, 0, 0.5);
}

button {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.4rem 0.8rem;
  margin-top: 0.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .container {
    flex-direction: column;
    padding: 1rem;
  }

  aside {
    border-right: none;
    border-bottom: 2px dotted #0000AA;
    margin-bottom: 1rem;
  }

  header nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  header nav a {
    margin-right: 0;
    flex: 1 1 auto;
    text-align: center;
  }

  #mute-toggle {
    top: 0.5rem;
    right: 0.5rem;
  }

  dialog {
    width: 90%;
  }
}