/* --- GENERAL LAYOUT --- */
body {
  font-family: 'Courier New', monospace;
  background-color: #f8f8f8;
  color: #333;
  text-align: center;
  padding-top: 80px;
}

/* --- WINDOW BOXES --- */
.window {
  width: 400px;
  margin: 15px auto;
  border: 1px solid #c0c0c0;
  background-color: #fff;
  box-shadow: 2px 2px 0 #aaa;
  text-align: left;
}

.window-title {
  background-color: #e0e0e0;
  color: #000;
  padding: 4px 6px;
  font-size: 12px;
  font-weight: bold;
  border-bottom: 1px solid #c0c0c0;
}

.window-body {
  padding: 10px;
  font-size: 13px;
  line-height: 1.4;
}

/* --- NAVIGATION --- */
nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
}

.nav-btn {
  background-color: #f4f4f4;
  border: 1px solid #ccc;
  padding: 6px;
  text-decoration: none;
  color: #000;
  text-align: center;
  transition: 0.2s;
}

.nav-btn:hover {