/* Stardust : eternal night */
html, body { margin: 0; height: 100%; }

body {
  background:
    radial-gradient(ellipse 120% 90% at 50% -10%, #1b2452 0%, #0a0e22 45%, #05060f 100%);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  cursor: crosshair;
}

#sky { touch-action: none; }

/* Control bar buttons */
.mode-btn {
  border-radius: 9999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 0.18s ease;
  white-space: nowrap;
  cursor: pointer;
}
.mode-btn:hover { background: rgba(255,255,255,0.10); color: #fff; }
.mode-btn.is-active {
  background: linear-gradient(180deg, rgba(129,140,248,0.35), rgba(99,102,241,0.25));
  border-color: rgba(165,180,252,0.5);
  color: #fff;
  box-shadow: 0 0 18px rgba(129,140,248,0.35);
}

/* Modals */
.show-flex { display: flex !important; }

/* Subtle entrance for whisper */
#whisper { text-shadow: 0 0 24px rgba(150,170,255,0.25); }

::selection { background: rgba(129,140,248,0.4); }