.welcome-tour[open] {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  background: transparent;
  color: var(--text);
}
.welcome-tour::backdrop { background: transparent; }
.welcome-tour-spotlight {
  position: absolute;
  border: 2px solid #ff73af;
  border-radius: 6px;
  box-shadow: 0 0 0 200vmax rgb(0 0 0 / 80%);
  pointer-events: none;
  transition: top 180ms ease, left 180ms ease, width 180ms ease, height 180ms ease;
}
.welcome-tour-card {
  position: absolute;
  width: 348px;
  max-width: calc(100% - 24px);
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  box-shadow: 0 12px 36px #0006;
  overflow: auto;
  overscroll-behavior: contain;
  overflow-wrap: anywhere;
}
.welcome-tour-top { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.welcome-tour-brand { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; }
.welcome-tour-brand img { flex: 0 0 28px; object-fit: contain; }
.welcome-tour-top .icon-button { flex: 0 0 32px; width: 32px; height: 32px; min-height: 32px; }
.welcome-tour-progress { display: flex; gap: 4px; margin: 14px 0; }
.welcome-tour-progress i { flex: 1; height: 3px; background: var(--line); }
.welcome-tour-progress i.is-current { background: var(--teal); }
.welcome-tour-count { color: var(--muted); font-size: 12px; margin: 0 0 8px; }
.welcome-tour-card h2 { margin: 0 0 12px; font-size: 20px; line-height: 1.45; }
#welcome-tour-description { margin: 0; font-size: 15px; line-height: 1.8; }
.welcome-tour-actions { display: flex; align-items: center; gap: 8px; margin-top: 20px; }
.welcome-tour-skip { margin-right: auto; padding: 8px 0; background: none; border: 0; color: var(--muted); font-size: 14px; min-height: 44px; }
.welcome-tour-actions .primary-button { display: inline-flex; align-items: center; gap: 4px; margin: 0; padding: 10px 16px; min-height: 44px; }
.welcome-tour-actions .icon-button { flex: 0 0 40px; }
.welcome-tour-actions .icon-button:disabled { opacity: .35; }
.welcome-tour :focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
body.welcome-tour-open { overflow: hidden; }
.welcome-tour-open [data-drawer] { transition: none; scroll-behavior: auto; }
.welcome-tour-open .drawer-scrim { visibility: hidden; }
@media (max-width: 760px) {
  .welcome-tour-card { padding: 16px; }
  .welcome-tour-open [data-drawer] .channel-nav::after { content: ''; display: block; height: 70dvh; }
}
@media (prefers-reduced-motion: reduce) { .welcome-tour-spotlight { transition: none; } }