body {
  margin: 0;
  background:
    radial-gradient(circle at top left, #003366, transparent 35%),
    linear-gradient(135deg, #000000, #001122 55%, #220033);
  color: #ffffff;
  font-family: Verdana, Arial, Helvetica, sans-serif;
}

.page {
  width: 94%;
  max-width: 1100px;
  margin: 24px auto;
  border: 4px ridge #00ffff;
  background: #000033;
  box-shadow: 0 0 28px #00ffff;
}

.topbar {
  background: linear-gradient(to right, #ff00cc, #3333ff, #00ffff);
  color: #ffff00;
  text-align: center;
  padding: 14px;
  text-shadow: 2px 2px #000000;
}

.title {
  font-size: 28px;
  font-weight: bold;
}

.subtitle {
  color: #ffffff;
  font-size: 14px;
}

.ticker {
  overflow: hidden;
  white-space: nowrap;
  background: #000000;
  color: #00ff66;
  border-top: 2px solid #ffff00;
  border-bottom: 2px solid #ffff00;
  padding: 8px;
  font-family: "Courier New", monospace;
}

.ticker span {
  display: inline-block;
  padding-left: 100%;
  animation: scroll 18s linear infinite;
}

@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  background: #111155;
  border-bottom: 2px solid #00ffff;
}

.nav a {
  color: #00ffff;
  font-weight: bold;
  text-decoration: none;
  border: 2px outset #9999ff;
  padding: 6px 10px;
  background: #000044;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 16px;
  padding: 16px;
}

.mainbox,
.sidebox,
.panel,
.warning {
  background: #111155;
  border: 3px outset #9999ff;
  padding: 14px;
}

h1, h2, h3 {
  color: #ffff00;
  text-shadow: 2px 2px #000000;
}

.boomer {
  font-size: 17px;
  line-height: 1.5;
}

.diagram {
  background: #000000;
  color: #00ff66;
  border: 2px dashed #00ff66;
  padding: 14px;
  font-family: "Courier New", monospace;
  white-space: pre-wrap;
}

.warning {
  margin: 14px 0;
  background: #330000;
  color: #ffcccc;
  border-color: #ff3333;
}

details {
  margin: 14px 0;
}

summary {
  cursor: pointer;
  color: #ffff00;
  background: #000044;
  border: 2px outset #9999ff;
  padding: 10px;
  font-weight: bold;
}

summary:hover {
  background: #220066;
}

.kv {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 6px 12px;
  border-bottom: 1px solid #333399;
  padding: 6px 0;
}

.key {
  color: #00ffff;
  font-weight: bold;
}

.value {
  color: #ffffff;
  word-break: break-word;
}

.button {
  display: block;
  margin: 10px 0;
  padding: 10px;
  text-align: center;
  background: linear-gradient(#eeeeee, #777777);
  border: 3px outset #ffffff;
  color: #000066;
  text-decoration: none;
  font-weight: bold;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border: 2px outset #ffffff;
  background: #ffff00;
  color: #000000;
  font-weight: bold;
}

.badge.danger {
  background: #ff3333;
  color: #ffffff;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  border-bottom: 1px solid #333399;
  text-align: left;
  padding: 6px;
  vertical-align: top;
}

th {
  color: #00ffff;
}

code {
  background: #000000;
  color: #00ff66;
  padding: 2px 4px;
}

footer {
  text-align: center;
  background: #000000;
  color: #aaaaaa;
  padding: 12px;
  border-top: 2px solid #00ffff;
  font-size: 12px;
}

@media (max-width: 850px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .kv {
    grid-template-columns: 1fr;
  }
}