body {
  color: var(--text);
  font-family: Poppins, system-ui, sans-serif;
}

#starsCanvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

body > .wrap {
  position: relative;
  z-index: 1;
  padding-bottom: 64px;
}

.topbar {
  margin-top: 22px;
}

.planets-hero {
  max-width: 760px;
  padding: 76px 0 42px;
}

.planets-hero h1 {
  margin: 9px 0 15px;
  font-size: clamp(2.45rem, 7vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.planets-hero p {
  max-width: 580px;
  margin: 0;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.65;
}

.planet-grid {
  display: grid;
  gap: 18px;
}

.planet-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: 14px;
  min-height: 306px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,255,255,.09), rgba(255,255,255,.025));
  box-shadow: var(--glass-shadow), var(--glass-inset);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.planet-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.planet-viewer {
  position: relative;
  display: grid;
  place-items: center;
  width: 280px;
  height: 280px;
  margin: auto;
}

.planet-viewer.ring-viewer {
  width: 336px;
  height: 336px;
}

.webgl {
  position: relative;
  z-index: 1;
  display: block;
  cursor: grab;
  touch-action: none;
}

.webgl:active { cursor: grabbing; }

.model-shadow::after {
  content: "";
  position: absolute;
  z-index: 0;
  bottom: 20px;
  left: 12%;
  width: 76%;
  height: 13px;
  border-radius: 50%;
  background: rgba(0,0,0,.56);
  filter: blur(8px);
}

.loader {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  gap: 10px;
  inset: 16px;
  margin: 0;
  border: 1px dashed rgba(158,214,255,.65);
  border-radius: 50%;
  background: rgba(6,16,27,.36);
  color: var(--accent);
  font: inherit;
}

wa-spinner { --track-color: var(--muted); --track-width: 3px; font-size: 2.2rem; }

.planet-info { padding: 30px 34px 30px 10px; }
.planet-info h2 { margin: 0 0 12px; font-size: clamp(1.7rem, 4vw, 2.4rem); letter-spacing: -.04em; }
.planet-info p { max-width: 420px; margin: 0; color: var(--muted); line-height: 1.6; }
.planet-info__fact { display: flex; align-items: flex-start; gap: 8px; max-width: 430px; margin-top: 20px; color: var(--a2); font-size: .82rem; font-weight: 700; line-height: 1.45; }

[data-theme="bright"] .planet-card {
  background: linear-gradient(135deg, rgba(255,255,255,.76), rgba(222,237,250,.52));
  box-shadow: 0 18px 50px rgba(54,83,112,.12), inset 0 1px 0 rgba(255,255,255,.85);
}

[data-theme="bright"] .loader { background: rgba(232,244,255,.5); }

@media (max-width: 760px) {
  .topbar { margin-top: 15px; }
  .navlinks { display: none; }
  .planets-hero { padding: 54px 0 30px; }
  .planet-card { grid-template-columns: 1fr; gap: 0; min-height: 0; }
  .planet-viewer, .planet-viewer.ring-viewer { width: min(100%, 300px); height: 260px; }
  .planet-viewer.ring-viewer { height: 300px; }
  .webgl { width: 260px !important; height: 260px !important; }
  .ring-viewer .webgl { width: 300px !important; height: 300px !important; }
  .planet-info { padding: 0 24px 28px; text-align: center; }
  .planet-info__fact { margin-top: 16px; text-align: left; }
  .model-shadow::after { bottom: 8px; }
}