.iv-tour-entry { background: var(--iv-orange-wash, #fff0e6); color: var(--iv-ink, #242220); border-bottom: 1px solid var(--iv-rule, #d6d2ca); }
.iv-tour-entry .iv-shell { display: flex; align-items: center; gap: 12px 24px; flex-wrap: wrap; padding-block: 12px; }
.iv-tour-entry p { margin: 0; font: 16px/1.4 "IBM Plex Sans", sans-serif; }
.iv-tour-entry strong { margin-right: 12px; }
.iv-tour-entry a, .iv-tour-guide a, .iv-tour-guide button, .iv-tour-dialog a, .iv-tour-dialog button { font: 13px/1.4 "JetBrains Mono", monospace; color: inherit; }
.iv-tour-entry a { min-height: 44px; display: inline-flex; align-items: center; }
.iv-tour-entry [data-iv-tour-start] { margin-left: auto; font-weight: 600; background: var(--iv-orange, #fa824c); color: var(--iv-dark, #242220); border: 1px solid var(--iv-orange, #fa824c); padding: 8px 16px; box-sizing: border-box; text-decoration: none; }
.iv-tour-entry [hidden], .iv-tour-guide [hidden] { display: none !important; }
.iv-tour-guide { position: fixed; inset: auto 0 0; z-index: 900; background: var(--iv-paper, #fcfaf5); color: var(--iv-ink, #242220); border-top: 2px solid var(--iv-orange, #fa824c); box-shadow: 0 -3px 16px var(--iv-shadow, #0002); padding: 16px 24px max(16px, env(safe-area-inset-bottom)); max-height: 55dvh; overflow: auto; }
.iv-tour-inner { max-width: 1200px; margin: auto; display: grid; grid-template-columns: 1fr auto; gap: 8px 24px; }
.iv-tour-heading { display: flex; align-items: baseline; gap: 16px; }
.iv-tour-guide h2 { margin: 0; font: 600 22px/1.2 "IBM Plex Sans", sans-serif; letter-spacing: normal; }
.iv-tour-heading span { white-space: nowrap; font: 12px/1.4 "JetBrains Mono", monospace; }
#iv-tour-detail { grid-column: 1; }
.iv-tour-guide p { margin: 0 0 4px; font: 16px/1.45 "IBM Plex Sans", sans-serif; }
.iv-tour-guide nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; grid-column: 2; grid-row: 1 / 3; }
.iv-tour-guide a, .iv-tour-guide button, .iv-tour-dialog button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 12px; border: 1px solid var(--iv-rule-strong, #999); border-radius: 0; background: transparent; text-decoration: none; cursor: pointer; }
.iv-tour-guide .iv-tour-primary { background: var(--iv-orange, #fa824c); color: var(--iv-dark, #242220); border-color: var(--iv-orange, #fa824c); }
.iv-tour-guide button:disabled { opacity: .45; cursor: default; }
.iv-tour-entry a:focus-visible, .iv-tour-guide :focus-visible, .iv-tour-dialog :focus-visible { outline: 2px solid var(--iv-accent-text, #8f3e1b); outline-offset: 3px; }
.iv-tour-active { scroll-padding-bottom: calc(var(--iv-tour-height, 200px) + 16px); }
.iv-tour-dialog { background: var(--iv-paper, #fcfaf5); color: var(--iv-ink, #242220); border: 1px solid var(--iv-rule-strong, #999); width: min(620px, calc(100% - 32px)); max-height: 80dvh; box-sizing: border-box; padding: 24px; }
.iv-tour-dialog::backdrop { background: #0008; }
.iv-tour-dialog h2 { margin: 0 0 16px; font: 600 26px/1.2 "IBM Plex Sans", sans-serif; }
.iv-tour-dialog ol { padding-left: 28px; }
.iv-tour-dialog li { padding: 4px 0; }
.iv-tour-dialog a { display: block; padding: 10px 4px; }
.iv-tour-dialog [aria-current] { font-weight: 700; color: var(--iv-accent-text, #8f3e1b); }
.iv-tour-overview { padding-block: 40px; }
.iv-tour-overview li { padding-block: 12px; border-bottom: 1px solid var(--iv-rule); }
.iv-tour-overview li p { margin: 8px 0; }
@media (max-width: 900px) {
  .iv-tour-inner { display: flex; flex-direction: column; }
  .iv-tour-guide { padding-inline: 16px; }
  .iv-tour-guide nav { gap: 6px; }
}
@media (max-width: 520px) {
  .iv-tour-entry .iv-shell { gap: 4px 16px; }
  .iv-tour-entry p { flex-basis: 100%; }
  .iv-tour-entry [data-iv-tour-start] { margin-left: 0; }
  .iv-tour-entry strong { display: block; }
  .iv-tour-guide a, .iv-tour-guide button { padding-inline: 9px; font-size: 12px; }
  .iv-tour-guide h2 { font-size: 20px; }
}

/* A locked page retains its sign-in dialog; the tour joins its focus scope. */
.iv-tour-guide.iv-tour-guide--gated { position: static; max-height: none; overflow: visible; padding: 0 0 16px; margin: 0 0 24px; border-top: 0; border-bottom: 1px solid var(--site-auth-border); box-shadow: none; background: transparent; color: var(--site-auth-ink); }
.iv-tour-guide--gated .iv-tour-inner { display: flex; flex-direction: column; gap: 8px; }
.iv-tour-guide--gated nav { gap: 6px; }
.iv-tour-guide--gated a, .iv-tour-guide--gated button { padding-inline: 8px; }

.iv-tour-entry [data-iv-tour-restart] { padding: 8px 16px; border: 1px solid var(--iv-rule-strong, #999); font-weight: 600; text-decoration: none; box-sizing: border-box; }
.iv-tour-entry kbd, .iv-tour-shortcuts kbd { font: inherit; border: 1px solid currentColor; border-radius: 3px; padding: 2px 5px; }
.iv-tour-shortcuts { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; border-top: 1px solid var(--iv-rule); padding-top: 10px; }
.iv-tour-shortcuts > a { gap: 8px; border-color: var(--iv-accent-text); font-weight: 600; }
.iv-tour-shortcut-hints { display: flex; flex-wrap: wrap; gap: 8px 24px; font: 12px/1.6 "JetBrains Mono", monospace; }
.iv-tour-shortcut-hints > span { white-space: nowrap; }
.iv-tour-shortcut-hints kbd + kbd { margin-left: 3px; }
.iv-tour-guide--gated .iv-tour-shortcut-hints { display: none; }
.iv-tour-shortcut-dialog { width: min(820px, calc(100% - 32px)); }
.iv-tour-shortcut-dialog p { font: 16px/1.5 "IBM Plex Sans", sans-serif; }
.iv-tour-shortcut-dialog .iv-command-help-row { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); }
.iv-tour-shortcut-dialog .iv-command-help-keys { flex-wrap: wrap; }
.iv-tour-shortcut-reference { margin-top: 40px; scroll-margin-top: 24px; }
.iv-tour-shortcut-reference table { border-collapse: collapse; width: 100%; }
.iv-tour-shortcut-reference th, .iv-tour-shortcut-reference td { text-align: left; padding: 12px; border-bottom: 1px solid var(--iv-rule); }
.iv-tour-shortcut-reference kbd { white-space: nowrap; }
@media (max-width: 520px) {
  .iv-tour-shortcuts { gap: 8px; }
  .iv-tour-shortcut-hints { gap: 8px 16px; font-size: 11px; }
  .iv-tour-shortcut-dialog .iv-command-help-row { grid-template-columns: 1fr; gap: 8px; }
  .iv-tour-shortcut-reference th, .iv-tour-shortcut-reference td { padding: 12px 4px; }
}
.iv-tour-shortcut-dialog kbd, .iv-tour-shortcut-reference kbd { display: inline-block; padding: 2px 5px; margin-right: 3px; border: 1px solid var(--iv-rule-strong); border-radius: 3px; font: 12px/1.4 "JetBrains Mono", monospace; }