html,
body {
  height: 100%;
  margin: 0;
}

#viewer {
  width: 100%;
  height: 100vh;
}

.ui {
  pointer-events: auto;
}

.glass {

  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
}

@media (prefers-color-scheme: dark) {
  .glass {
    background: rgba(15, 23, 42, 0.75);
  }
}

.btn {
  background: transparent;
  border: 1px solid rgba(148, 163, 184, 0.25);
  padding: 0.375rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  cursor: pointer;
}

.btn:hover {
  background: rgba(59, 130, 246, 0.06);
}

.select {
  padding: 0.375rem 0.5rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: transparent;
  font-size: 0.875rem;
}

.label {
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0.8;
}

input[type="color"] {
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 0.375rem;
}

.tooltip {
  display: none !important;
  pointer-events: none;
}

.relative:hover .tooltip {
  display: block !important;
}

.btn:focus,
.select:focus,
input[type="color"]:focus,
#dropZone:focus {
  outline: 3px solid rgba(59, 130, 246, 0.25);
  outline-offset: 2px;
}

@media (max-width: 820px) {
  .ui {
    left: 8px;
    right: 8px;
    top: auto;
    bottom: 12px;
  }

  .tooltip {
    display: none !important;
  }
}