:root {
  color-scheme: dark;
  --bg: #04060d;
  --panel: rgba(10, 14, 25, 0.75);
  --panel-border: rgba(90, 120, 200, 0.25);
  --text: #e6f0ff;
  --muted: #91a3c7;
  --accent: #6de0ff;
  --accent-2: #d95cff;
  --glow: 0 0 20px rgba(109, 224, 255, 0.25);
  --radius: 20px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Space Grotesk", sans-serif;
}

body {
  background: radial-gradient(circle at 20% 20%, #0b1230 0%, #04060d 40%, #010103 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

#space {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
}

.scene {
  position: relative;
  z-index: 1;
  padding: 72px 6vw 64px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.hero {
  display: grid;
  gap: 18px;
  max-width: 780px;
}

.hero__badge {
  letter-spacing: 0.35em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--accent);
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 4rem);
  text-shadow: 0 0 30px rgba(217, 92, 255, 0.35);
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__actions button {
  background: linear-gradient(130deg, rgba(109, 224, 255, 0.2), rgba(217, 92, 255, 0.3));
  color: var(--text);
  border: 1px solid rgba(109, 224, 255, 0.4);
  padding: 12px 22px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--glow);
}

.hero__actions button:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 24px rgba(217, 92, 255, 0.35);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.panel__header h2 {
  font-size: 1.8rem;
}

.panel__header p {
  color: var(--muted);
}

.panel__meta {
  font-size: 0.95rem;
  color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(109, 224, 255, 0.2);
  background: linear-gradient(160deg, rgba(15, 20, 40, 0.9), rgba(4, 6, 13, 0.6));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(109, 224, 255, 0.2), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover::after {
  opacity: 1;
}

.card__top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(217, 92, 255, 0.4);
}

.card h3 {
  font-size: 1.05rem;
}

.card span {
  font-size: 0.9rem;
  color: var(--muted);
}

.card__meta {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
}

.constellation-mode .panel,
.constellation-mode .footer {
  display: none;
}

.constellation-mode .hero__badge,
.constellation-mode .hero h1,
.constellation-mode .hero p {
  display: none;
}

.constellation-mode .hero__actions {
  position: fixed;
  top: 24px;
  left: 24px;
  z-index: 4;
  padding: 10px;
  border-radius: 14px;
  background: rgba(8, 12, 24, 0.7);
  border: 1px solid rgba(109, 224, 255, 0.2);
  backdrop-filter: blur(12px);
}

.tooltip {
  position: fixed;
  pointer-events: none;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(6, 10, 20, 0.9);
  border: 1px solid rgba(109, 224, 255, 0.35);
  color: var(--text);
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  z-index: 5;
}

.tooltip--show {
  opacity: 1;
  transform: translateY(0);
}

.tooltip__row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tooltip__row img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(109, 224, 255, 0.5);
}

.hud {
  position: fixed;
  right: 20px;
  bottom: 20px;
  padding: 14px 16px;
  min-width: 140px;
  border-radius: 14px;
  background: rgba(8, 12, 24, 0.7);
  border: 1px solid rgba(109, 224, 255, 0.2);
  color: var(--text);
  font-size: 0.85rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 4;
}

.hud--show {
  opacity: 1;
  transform: translateY(0);
}

.hud__title {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hud__stat {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-variant-numeric: tabular-nums;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding-bottom: 20px;
}

@media (max-width: 700px) {
  .panel__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__actions {
    width: 100%;
  }

  .hero__actions button {
    width: 100%;
    justify-content: center;
  }
}