* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html,
body {
  height: 100%;
}
body {
  font-family: monospace;
  background: #000 center/cover no-repeat fixed;
  color: #fff;
}
.overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: rgba(0, 0, 0, 0.5);
}
.console {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 12px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.top {
  text-align: center;
}
.clock {
  font-size: 56px;
  font-weight: bold;
}
.greeting {
  margin-top: 6px;
  color: #aaa;
  font-size: 13px;
}
#cmd-form {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid #fff;
  border-radius: 4px;
  padding: 10px 12px;
}
.prompt {
  color: lime;
}
#cmd-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: #fff;
  font-family: inherit;
  font-size: 14px;
}
.history {
  margin-top: 8px;
}
.history a {
  display: inline-block;
  font-size: 12px;
  color: #ccc;
  border: 1px solid #555;
  border-radius: 4px;
  padding: 2px 8px;
  margin: 0 6px 6px 0;
  text-decoration: none;
}
.history a:hover {
  color: #fff;
}
.widgets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.widget {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid #fff;
  border-radius: 4px;
  padding: 14px;
}
.widget h3 {
  font-size: 13px;
  margin-bottom: 10px;
}
.map {
  position: relative;
  width: 100%;
  aspect-ratio: 2/1;
  border: 1px solid #555;
  background-image:
    linear-gradient(#333 1px, transparent 1px),
    linear-gradient(90deg, #333 1px, transparent 1px);
  background-size: calc(100% / 8) calc(100% / 4);
  overflow: hidden;
}
.iss-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  margin: -5px;
  border-radius: 50%;
  background: lime;
  transition:
    left 1s linear,
    top 1s linear;
}
.readout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 14px;
  margin-top: 10px;
}
.readout dt {
  font-size: 11px;
  color: #aaa;
}
.readout dd {
  font-size: 15px;
}
.apod-title {
  font-size: 15px;
  line-height: 1.5;
}
.apod-date {
  margin-top: 8px;
  color: #aaa;
  font-size: 12px;
}
@media (max-width: 720px) {
  .widgets {
    grid-template-columns: 1fr;
  }
  .clock {
    font-size: 40px;
  }
}