/* Global reset, page chrome, a11y helpers */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  font-family: var(--font);
  background: var(--canvas);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: var(--canvas);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--t-fast) var(--ease-out);
}
.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(126, 200, 227, 0.08), transparent 55%),
    radial-gradient(90% 60% at 100% 0%, rgba(232, 160, 136, 0.06), transparent 50%),
    radial-gradient(80% 50% at 50% 100%, rgba(120, 100, 180, 0.05), transparent 45%);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Shared vertical scrollbars (width via --scrollbar-w on the element) */
.scroll-y-muted {
  scrollbar-color: var(--stroke-strong) transparent;
  scrollbar-width: thin;
}
.scroll-y-muted::-webkit-scrollbar {
  width: var(--scrollbar-w, var(--scrollbar-comfort));
}
.scroll-y-muted::-webkit-scrollbar-thumb {
  background: var(--stroke-strong);
  border-radius: 99px;
}

.workflow-list.scroll-y-muted {
  --scrollbar-w: var(--scrollbar-thin);
}
.messages.scroll-y-muted {
  --scrollbar-w: var(--scrollbar-comfort);
}