/* A top-layer guide: the underlying page is real, inert and never copied. */
#onboardingDialog {
  --guide-ink: #182b42; --guide-muted: #536579; --guide-accent: #2463d4; --guide-soft: #eef4ff; --guide-paper: #fff;
  position: fixed; inset: 0; width: 100%; height: 100%; max-width: none; max-height: none;
  margin: 0; padding: 0; border: 0; border-radius: 0; background: transparent;
  box-shadow: none; color: var(--guide-ink); overflow: hidden;
  font: 1rem/1.65 system-ui, -apple-system, "Microsoft YaHei", sans-serif; text-align: left;
}
#onboardingDialog::backdrop { background: transparent; }
#onboardingDialog[open] { display: block; }
#onboardingDialog .onboarding-shade { position: absolute; inset: 0; background: rgb(12 24 43 / .6); }
#onboardingDialog.has-target .onboarding-shade { background: transparent; }
#onboardingDialog .onboarding-ring { position: fixed; border: 2px solid #8fb8ff; border-radius: 14px; box-shadow: 0 0 0 9999px rgb(12 24 43 / .6); pointer-events: none; }
#onboardingDialog .onboarding-card {
  position: fixed; box-sizing: border-box; width: min(400px, calc(100% - 24px));
  max-height: calc(100% - 24px); max-height: calc(100dvh - 24px); overflow: auto; overscroll-behavior: contain;
  padding: 24px; background: var(--guide-paper); border: 1px solid rgb(130 150 180 / .3);
  border-radius: 22px; box-shadow: 0 16px 60px rgb(0 0 0 / .24); z-index: 1;
}
#onboardingDialog[data-mode="intro"] .onboarding-card { left: 50%; top: 50%; transform: translate(-50%, -50%); }
#onboardingDialog h2 { margin: 8px 0 12px; font: 750 1.4375rem/1.35 system-ui, sans-serif; color: var(--guide-ink); letter-spacing: -.5px; }
#onboardingDialog p { margin: 0 0 16px; color: var(--guide-muted); font-size: .9375rem; }
#onboardingDialog button {
  appearance: none; box-sizing: border-box; min-height: 44px; padding: 10px 16px;
  border-radius: 12px; border: 1px solid #d7deea; background: var(--guide-paper);
  color: var(--guide-ink); font: 650 .875rem/1.5 system-ui, sans-serif; cursor: pointer;
  box-shadow: none; flex: none; white-space: normal; text-shadow: none; transform: none;
}
#onboardingDialog button:hover { background: var(--guide-soft); }
#onboardingDialog button:disabled { opacity: .4; cursor: default; }
#onboardingDialog button:focus-visible { outline: 3px solid var(--guide-accent); outline-offset: 3px; }
#onboardingDialog h2:focus { outline: none; }
#onboardingDialog button.onboarding-primary { background: var(--guide-accent); border-color: var(--guide-accent); color: #fff; }
#onboardingDialog button.onboarding-primary:hover { filter: brightness(.94); }
#onboardingDialog button.onboarding-skip { border-color: transparent; background: transparent; color: var(--guide-muted); padding: 8px; }
#onboardingDialog .onboarding-kicker { font-size: .75rem; font-weight: 700; letter-spacing: .06em; color: var(--guide-accent); margin: 0; }
#onboardingDialog .onboarding-welcome-art { height: 94px; display: flex; align-items: center; justify-content: center; gap: 18px; margin-bottom: 20px; border-radius: 16px; background: var(--guide-soft); color: var(--guide-accent); font-weight: 700; }
#onboardingDialog .onboarding-welcome-art svg { width: 44px; height: 44px; fill: none; stroke: currentColor; stroke-width: 1.8; }
#onboardingDialog .onboarding-intro-actions { display: grid; gap: 10px; margin: 22px 0 4px; }
#onboardingDialog[data-mode="intro"] .onboarding-skip { display: block; margin: 0 auto; }
#onboardingDialog .onboarding-top, #onboardingDialog .onboarding-step-heading, #onboardingDialog .onboarding-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
#onboardingDialog .onboarding-step-heading { margin-top: 4px; }
#onboardingDialog [data-onboarding-progress] { color: var(--guide-muted); font-size: .8125rem; font-variant-numeric: tabular-nums; margin-right: auto; }
#onboardingDialog .onboarding-icon { display: grid; place-items: center; width: 40px; height: 40px; background: var(--guide-soft); border-radius: 12px; color: var(--guide-accent); }
#onboardingDialog .onboarding-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; }
#onboardingDialog .onboarding-tip { font-size: .8125rem; padding: 12px; border-radius: 10px; background: var(--guide-soft); color: var(--guide-ink); }
#onboardingDialog .onboarding-progress { display: flex; gap: 5px; margin: 18px 0; }
#onboardingDialog .onboarding-progress i { flex: 1; height: 3px; background: #dce3ef; border-radius: 3px; }
#onboardingDialog .onboarding-progress .is-done { background: var(--guide-accent); }
#onboardingDialog .onboarding-actions button { flex: 1; }
.onboarding-entry { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; padding: 20px; text-align: left; font: inherit; cursor: pointer; color: var(--ink); }
.onboarding-entry svg { grid-row: 1/3; color: var(--accent); }
html[data-theme="pixel-adventure"] #onboardingDialog, html[data-theme="paper"] #onboardingDialog { --guide-ink: #493626; --guide-muted: #746552; --guide-accent: #865623; --guide-soft: #f7edda; --guide-paper: #fffdf7; }
@media (max-width: 440px), (max-height: 660px) {
  #onboardingDialog .onboarding-card { padding: 16px; border-radius: 18px; }
  #onboardingDialog h2 { font-size: 1.25rem; margin: 6px 0 10px; }
  #onboardingDialog .onboarding-welcome-art { height: 68px; margin-bottom: 14px; }
  #onboardingDialog .onboarding-tip { margin-bottom: 10px; padding: 9px; }
  #onboardingDialog .onboarding-progress { margin: 12px 0; }
}
/* Temporary room to bring even the last entry above the guide on short phones. */
body.onboarding-touring #appMain::after { content: ""; display: block; height: 50vh; pointer-events: none; }
body.onboarding-practice .practice-top { position: relative !important; top: auto !important; }
.practice-guide-trigger { min-width: 44px; min-height: 44px; }
@media (max-width: 1100px) {
  body[data-route="practice"] .practice-toolbar-ready>.topline-count { padding-right: 44px; }
  body[data-route="practice"] .practice-toolbar-ready>.practice-guide-trigger { grid-column: 3; grid-row: 1; justify-self: end; width: 44px; height: 44px; min-height: 44px; padding: 10px; }
}
@media (prefers-reduced-motion: no-preference) {
  #onboardingDialog[open] .onboarding-card { animation: onboarding-reveal 160ms ease-out; }
  @keyframes onboarding-reveal { from { opacity: 0; } to { opacity: 1; } }
}
html[data-motion-mode="reduce"] #onboardingDialog .onboarding-card { animation: none; }

#onboardingDialog .onboarding-progress { flex-wrap: wrap; }
#onboardingDialog .onboarding-progress i { flex: 1 0 6px; }
#onboardingDialog .onboarding-settings-link { display:block; width:100%; margin-top:10px; }