/* ── Shared: Glass-morphism effects, modals, overlays ──
 * Class prefix: glass- (glass, glass-sm, glass-dark, etc.)
 */

.glass {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2),
              inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.glass-sm {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.glass-dark {
  background: rgba(10, 10, 20, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
}

.glass-btn {
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.glass-btn:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.glass-btn:active {
  transform: translateY(0) scale(0.97);
  background: rgba(255, 255, 255, 0.20);
}

.glass-pill {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
}

/* ── Touch device optimizations ── */
@media (hover: none) and (pointer: coarse) {
  .glass-pill {
    min-height: var(--touch-min, 44px);
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
  }

  .glass, .glass-dark {
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
  }
}