:root {
  color-scheme: dark;
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --panel: rgba(16, 19, 23, 0.94);
  --panel-border: rgba(190, 197, 208, 0.28);
  --field: rgba(26, 31, 37, 0.96);
  --field-border: rgba(190, 197, 208, 0.24);
  --text: #f2f4f7;
  --muted: #a8b0bb;
  --accent: #9fc5e8;
  --accent-strong: #d6dee8;
}

html,
body,
#cesiumContainer {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #050914;
}

body {
  color: var(--text);
}

#cesiumContainer {
  position: fixed;
  inset: 0;
}

.panel {
  position: fixed;
  top: 18px;
  bottom: 150px;
  left: 18px;
  z-index: 10;
  width: min(360px, calc(100vw - 36px));
  overflow: auto;
  box-sizing: border-box;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.38);
}

.panel__header {
  position: relative;
  margin: -2px 0 14px;
  padding-right: 58px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(190, 197, 208, 0.14);
}

.panel-hide,
.panel-toggle {
  width: auto;
  font-size: 0.78rem;
}

.panel-hide {
  position: absolute;
  top: 0;
  right: 0;
  padding: 4px 8px;
}

.panel-toggle {
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 11;
  padding: 7px 10px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.34);
}

.panel__meta {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 6px;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.15;
}

p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.field {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  color: var(--muted);
  font-size: 0.84rem;
}

select,
input[type="range"] {
  width: 100%;
}

select,
button {
  box-sizing: border-box;
  border: 1px solid var(--field-border);
  border-radius: 4px;
  background: var(--field);
  color: var(--text);
  font: inherit;
}

select {
  padding: 8px 10px;
}

.control-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin: 12px 0;
}

.control-grid label {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px;
  border: 1px solid rgba(190, 197, 208, 0.16);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-size: 0.82rem;
}

button {
  padding: 8px 10px;
  cursor: pointer;
  width: 100%;
}

.control-grid label.is-disabled {
  color: #727b86;
  cursor: not-allowed;
}

button:hover,
select:hover,
.control-grid label:not(.is-disabled):hover {
  border-color: rgba(214, 222, 232, 0.42);
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.status {
  min-height: 1.4em;
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px solid rgba(190, 197, 208, 0.14);
  font-size: 0.82rem;
}

.status--error {
  color: #ffb4b4;
}

.stats {
  margin-top: 10px;
}

.stats table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.stats th,
.stats td {
  padding: 4px 0;
  border-bottom: 1px solid rgba(190, 197, 208, 0.12);
}

.stats th {
  color: var(--muted);
  font-weight: 400;
  text-align: left;
}

.stats td {
  color: var(--text);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.tle-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--accent);
  font-size: 0.82rem;
  text-decoration: none;
}

.tle-link:hover {
  text-decoration: underline;
}

@media (max-width: 720px) {
  .panel {
    top: auto;
    bottom: 96px;
    left: 0;
    width: 100vw;
    max-height: 42vh;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 8px 8px 0 0;
  }

  .panel-toggle {
    top: auto;
    bottom: 96px;
  }
}