* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", Arial, sans-serif;
  color: #111111;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.35), transparent 30%),
    linear-gradient(180deg, #180045 0%, #4d0099 45%, #ff007a 100%);
  background-attachment: fixed;
}

.page-shell {
  width: min(1100px, calc(100% - 24px));
  margin: 18px auto;
  padding: 10px;
  border: 4px solid #ffff00;
  background: #25004f;
  box-shadow: 0 0 0 4px #00ffff, 0 0 28px rgba(0, 0, 0, 0.45);
}

.top-banner {
  padding: 20px 16px;
  text-align: center;
  border: 3px solid #00ffff;
  background:
    linear-gradient(90deg, #000080, #5100a8 45%, #b400ff);
  color: #ffffff;
  text-shadow: 2px 2px 0 #000000;
}

.eyebrow {
  margin: 0;
  font-size: 0.9rem;
  letter-spacing: 0.3rem;
  text-transform: uppercase;
  color: #ffff66;
}

.top-banner h1 {
  margin: 8px 0;
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  line-height: 1;
}

.tagline {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: #ffec8b;
}

.marquee {
  margin: 12px 0;
  padding: 8px;
  border: 2px solid #ffffff;
  background: #ffff00;
  color: #990000;
  font-weight: 700;
}

.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 14px;
}

.panel {
  border: 3px solid #000000;
  padding: 14px;
  background: #f8f1c9;
  box-shadow: inset -3px -3px 0 #7f7f7f, inset 3px 3px 0 #ffffff;
}

.sidebar {
  background: linear-gradient(180deg, #fff7b0 0%, #ffd54d 100%);
}

.panel h2,
.panel h3 {
  margin-top: 0;
  font-family: Verdana, Arial, sans-serif;
  text-transform: uppercase;
}

.status-list {
  padding-left: 20px;
  margin: 0 0 18px;
}

.status-list li {
  margin-bottom: 10px;
  font-weight: 700;
}

.badge-stack {
  display: grid;
  gap: 10px;
}

.badge {
  display: block;
  padding: 8px 10px;
  text-align: center;
  border: 2px dashed #000000;
  background: #00ffff;
  color: #000080;
  font-weight: 800;
}

.blink {
  animation: blink 1s steps(2, start) infinite;
}

.hero-panel {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0.15)),
    #f2d7ff;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr;
  gap: 18px;
  align-items: center;
}

.hero-panel p,
.message-panel p,
.archive-panel p,
.footer p {
  line-height: 1.6;
}

.signal-box {
  padding: 14px;
  border: 4px ridge #c0c0c0;
  background: #222222;
}

.signal-screen {
  display: grid;
  gap: 8px;
  min-height: 220px;
  place-content: center;
  text-align: center;
  border: 3px solid #00ff66;
  background:
    linear-gradient(rgba(0, 255, 102, 0.08), rgba(0, 255, 102, 0.08)),
    #001407;
  color: #8cffaf;
  font-family: "Courier New", Courier, monospace;
}

.signal-screen strong {
  font-size: clamp(2rem, 5vw, 3rem);
  color: #ccff66;
}

.screen-label {
  color: #ff6666;
  font-size: 0.9rem;
}

.message-panel {
  grid-column: 1 / -1;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #ffdff4 100%);
}

.archive-panel {
  grid-column: 1 / -1;
  background: linear-gradient(180deg, #d7f7ff 0%, #ffffff 100%);
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.notice-card {
  padding: 12px;
  border: 2px solid #000080;
  background: #fffef2;
}

.footer {
  margin-top: 14px;
  text-align: center;
  background: linear-gradient(180deg, #fff799 0%, #ffb870 100%);
}

.footer-note {
  font-size: 0.9rem;
}

@keyframes blink {
  50% {
    visibility: hidden;
  }
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .notice-grid {
    grid-template-columns: 1fr;
  }
}