/* ═══ §3 · SHARED · GLASS ═════════════════════════════════════════════════════════════ */

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 var(--glass-shine);
}
.glass-heavy {
  background: var(--glass-bg-heavy);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
}
.glass-active { border-color: var(--glass-border-active); }