/* Refined scrollbar & design tokens inspired by Linear, Notion, AMBOSS, UWorld, Vercel */
html {
  scrollbar-gutter: stable;
  touch-action: manipulation;
}

body {
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  touch-action: manipulation;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.32);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.58);
}

.bg-grid-subtle {
  background-image: radial-gradient(rgba(148, 163, 184, 0.16) 1px, transparent 1px);
  background-size: 20px 20px;
}
.dark .bg-grid-subtle {
  background-image: radial-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px);
}

.glossary-term {
  border-bottom: 1.5px dashed #3b82f6;
  color: #2563eb;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.dark .glossary-term {
  color: #60a5fa;
  border-bottom-color: #60a5fa;
}
.glossary-term:hover {
  background-color: rgba(59, 130, 246, 0.12);
  border-radius: 3px;
}

.choice-strikethrough {
  text-decoration: line-through;
  opacity: 0.45;
}

.kbd-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.35rem;
  height: 1.25rem;
  padding: 0 0.35rem;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  border-radius: 0.375rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(248, 250, 252, 0.9);
  color: #475569;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
}
.dark .kbd-key {
  border-color: rgba(71, 85, 105, 0.7);
  background: rgba(15, 23, 42, 0.9);
  color: #cbd5e1;
}