:root {
  --bg: #020b1a;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.1);
  --accent: #4de3ff;
  --accent-strong: #ff8c42;
  --text: #f5f7ff;
  --muted: rgba(245, 247, 255, 0.7);
  --error: #ff4d6d;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  background: radial-gradient(circle at top, #041836, #01060d 70%);
  color: var(--text);
}

.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.app-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  background: rgba(12, 22, 44, 0.8);
  backdrop-filter: blur(12px);
}

.app-header h1 {
  margin: 0;
  font-size: 1.75rem;
}

.app-header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.control-cluster {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.control-cluster label {
  font-weight: 600;
}

select,
button {
  font: inherit;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  color: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

select:focus,
button:focus,
select:hover,
button:hover {
  border-color: var(--accent);
  outline: none;
}

button:active {
  transform: scale(0.97);
}

.layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.globe-panel {
  position: relative;
  border-radius: 20px;
  border: 1px solid var(--panel-border);
  background: linear-gradient(145deg, rgba(12, 16, 30, 0.85), rgba(2, 12, 26, 0.9));
  overflow: hidden;
  min-height: 520px;
}

.globe-canvas {
  width: 100%;
  height: 100%;
  min-height: 520px;
}

.globe-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  color: var(--muted);
}

.globe-tooltip {
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(-9999px, -9999px);
  padding: 0.45rem 0.7rem;
  border-radius: 10px;
  background: rgba(3, 14, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  font-size: 0.85rem;
  pointer-events: none;
  min-width: 140px;
  z-index: 4;
}

.globe-tooltip strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.9rem;
}

.status-banner {
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.6rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: rgba(3, 7, 14, 0.9);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  font-size: 0.9rem;
  z-index: 3;
}

.status-banner.error {
  border-color: var(--error);
  color: var(--error);
}

.legend {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: 16px;
  background: rgba(2, 7, 18, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.35);
}

.legend-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.4rem;
}

.legend-gradient {
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #4de3ff, #ff8c42);
  margin-bottom: 0.35rem;
}

.legend-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
}

.legend-description {
  margin: 0.4rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.info-panel {
  border-radius: 20px;
  border: 1px solid var(--panel-border);
  background: rgba(2, 9, 20, 0.95);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-panel h2 {
  margin: 0;
}

.summary-panel h2 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.6rem;
}

.summary-card {
  padding: 0.85rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.summary-card.accent {
  border-color: rgba(77, 227, 255, 0.5);
  background: rgba(77, 227, 255, 0.08);
}

.summary-card .description {
  font-size: 0.8rem;
  color: var(--muted);
}

.panel-divider {
  width: 100%;
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin: 0.5rem 0 0.8rem;
}

.info-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.location-meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.6rem;
}

.info-card {
  padding: 0.75rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.info-card.accent {
  border-color: rgba(255, 140, 66, 0.7);
  background: rgba(255, 140, 66, 0.1);
}

.info-card span {
  display: block;
}

.info-card .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.info-card .value {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 0.35rem;
}

.info-card .hint {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.3rem;
}

.badge {
  display: inline-flex;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: rgba(77, 227, 255, 0.12);
  border: 1px solid rgba(77, 227, 255, 0.4);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.app-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding-bottom: 1rem;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .globe-panel {
    min-height: 420px;
  }
}

@media (max-width: 600px) {
  .app-shell {
    padding: 1rem;
  }

  .control-cluster {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  select,
  button {
    width: auto;
  }

  .legend {
    position: static;
    margin: 1rem;
  }

  .panel-divider {
    margin: 0.2rem 0 0.5rem;
  }
}