/* A calm learning journey: one instruction, two clear navigation buttons. */
body[data-article] .article-layout { display: block; max-width: 940px; }
.guide-journey { scroll-margin-top: 110px; }
.journey-entry-button { margin-top: 22px; }
.journey-primary { min-height: 54px; padding: 14px 22px; font-size: 18px; line-height: 1.4; }
.journey-progress { margin-bottom: 26px; }
.journey-progress-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 13px; font-size: 16px; color: var(--green); }
#journey-position { font-weight: 700; }
.journey-progress .progress-track { height: 8px; }
.journey-progress .progress-fill { transition: width 220ms ease-out; }
.journey-storage { font-size: 14px; margin-top: 10px; }
.journey-milestones { display: flex; list-style: none; gap: 10px; padding: 0; margin: 17px 0 0; }
.journey-milestones li { display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border: 1px solid #bac8af; border-radius: 50%; background: var(--paper); color: #586b4f; font-size: 15px; font-weight: 600; transition: background-color 180ms, border-color 180ms; }
.journey-milestones .is-done { color: white; background: var(--green); border-color: var(--green); }
.journey-milestones .is-current { outline: 2px solid var(--green); outline-offset: 3px; }
.journey-intro .before-box { margin-bottom: 20px; }
.journey-intro .before-box ul { font-size: 17px; line-height: 1.8; }
.journey-launch { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 30px; }
.journey-launch h2 { font-size: 31px; margin: 8px 0 14px; }
.journey-launch p { font-size: 18px; line-height: 1.8; max-width: 650px; }
.journey-launch .journey-primary { margin-top: 23px; }
.journey-launch .journey-step-count { margin-top: 14px; font-size: 14px; }
.journey-active .article-head { display: none; }
.journey-active .article-body-section { padding-top: 28px; min-height: calc(100vh - 100px); }
.journey-reading-title { position: relative; margin: 0 0 23px; padding-right: 130px; }
.journey-reading-title h1 { font: 500 25px/1.35 Georgia, serif; letter-spacing: -.4px; margin-top: 5px; }
.journey-reading-title .reading-size { position: absolute; top: 0; right: 0; min-height: 44px; }
.journey-step { padding: 30px; margin-bottom: 0; gap: 18px; }
.journey-step h2 { font: 600 27px/1.35 -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; letter-spacing: -.4px; margin: 2px 0 17px; }
.article-main .journey-step p { font-size: 18px; line-height: 1.85; white-space: pre-line; }
.journey-step .step-tip { font-size: 16px; line-height: 1.8; padding: 15px 17px; }
.journey-prep { background: #f1f4e9; border-left: 3px solid #a3b78a; padding: 15px 18px; margin-bottom: 22px; }
.journey-prep h3 { font-size: 16px; margin: 0 0 8px; }
.journey-prep ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.journey-step .text-link { font-size: 16px; white-space: normal; }
.guide-journey[data-mode="steps"] .step-check { display: none; }
.journey-step .step-check { min-height: 44px; font-size: 16px; }
.journey-step .step-check input { width: 22px; height: 22px; }
.article-main .journey-step .journey-step-done { color: var(--green); font-size: 15px; font-weight: 600; margin-top: 22px; }
.journey-controls { display: grid; grid-template-columns: minmax(100px, 1fr) minmax(0, 2fr); gap: 14px; margin-top: 22px; }
.journey-controls .outline-button { font-size: 18px; min-height: 54px; }
.journey-controls button:disabled { opacity: .5; }
.journey-controls p { grid-column: 1 / -1; text-align: right; font-size: 14px; }
.journey-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; margin-top: 16px; }
.journey-text-button { border: 0; background: transparent; padding: 9px 0; min-height: 44px; font-size: 15px; color: var(--green); text-decoration: underline; text-underline-offset: 4px; }
.journey-completion { padding: 34px; background: #edf2e5; border: 1px solid #bccdad; border-radius: 12px; }
.journey-achievement { display: flex; align-items: center; justify-content: center; width: 56px; height: 56px; border-radius: 50%; background: var(--green); color: white; margin-bottom: 23px; }
.journey-achievement .icon { width: 30px; height: 30px; }
.journey-completion h2 { margin: 9px 0 16px; font-size: 34px; }
.journey-completion p { font-size: 18px; line-height: 1.8; }
.journey-finish-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.journey-finish-actions .outline-button { min-height: 48px; font-size: 16px; }
.guide-journey[data-mode="all"] .journey-step { margin-bottom: 20px; }
.guide-journey [data-journey-extra] { margin-top: 27px; }
.large-text .article-main .journey-step p { font-size: 22px; }
.large-text .journey-step .step-tip { font-size: 20px; }
.large-text .journey-step h2 { font-size: 30px; }
.guide-journey[data-mode="steps"] .journey-step,
.journey-completion:not([hidden]) { animation: plaintech-fade-in 180ms ease-out; }

@media (max-width: 760px) {
  body.journey-in-step { padding-bottom: 114px; }
  .guide-journey { scroll-margin-top: 88px; }
  .journey-active .article-body-section { padding-top: 22px; }
  .journey-progress-heading { font-size: 15px; gap: 10px; }
  .journey-storage { font-size: 13px; line-height: 1.7; }
  .journey-reading-title { padding-right: 0; }
  .journey-reading-title h1 { font-size: 23px; }
  .journey-reading-title .reading-size { position: static; margin: 6px 0 0; font-size: 14px; }
  .journey-launch { padding: 24px 21px; }
  .journey-launch h2 { font-size: 28px; }
  .journey-launch p { font-size: 17px; }
  .journey-step { padding: 23px 20px; grid-template-columns: 1fr; gap: 16px; }
  .journey-step h2 { font-size: 25px; margin-top: 0; }
  .journey-step .step-number { width: 36px; height: 36px; font-size: 21px; }
  .article-main .journey-step p { font-size: 18px; }
  .journey-controls { position: fixed; bottom: 0; left: 0; right: 0; z-index: 20; margin: 0; padding: 12px 21px; grid-template-columns: minmax(70px, .7fr) minmax(0, 1.5fr); gap: 10px; background: var(--paper); border-top: 1px solid var(--line); box-shadow: 0 -5px 18px #244b3010; }
  .journey-controls .journey-primary { padding: 12px 10px; font-size: 16px; }
  .journey-controls .outline-button { font-size: 16px; padding: 12px 8px; }
  .journey-controls p { text-align: left; font-size: 13px; }
  .journey-entry-button { max-width: 100%; width: 100%; }
  .journey-completion { padding: 27px 22px; }
  .journey-completion h2 { font-size: 30px; }
  .journey-finish-actions { flex-direction: column; align-items: stretch; }
  .large-text .article-main .journey-step p { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .guide-journey *, .journey-entry-button { animation: none !important; transition: none !important; }
}

@media print {
  body.journey-in-step { padding-bottom: 0; }
  body.journey-active .article-head { display: block !important; }
  [data-journey-intro], [data-journey-steps], [data-journey-step],
  [data-journey-practice], [data-journey-extra] { display: block !important; }
  [data-journey-progress], [data-journey-launch], [data-journey-reading-title],
  [data-journey-controls], [data-journey-completion], [data-journey-tools],
  [data-journey-start], [data-step-done], .guide-journey .step-check { display: none !important; }
  .journey-prep { display: none !important; }
  .guide-journey .journey-step { display: grid !important; grid-template-columns: 36px 1fr; padding: 16px 0; }
  .guide-journey .journey-step h2 { font-size: 14pt; }
  .guide-journey .journey-step p, .guide-journey .journey-step .step-tip { font-size: 12pt; }
}