/* The Claude Code Roadmap: one stage at a time, every pick visible. */

.rm-wrap { max-width: 980px; margin: 0 auto; padding: 40px 24px 80px; }
.rm-wrap .lib-hero { max-width: 760px; padding-bottom: 26px; }
@media (max-width: 640px) { .rm-wrap { padding: 28px 12px 60px; } }

.rs__type { flex-shrink: 0; display: inline-flex; width: 16px; height: 16px; color: var(--ink-mute); }
.rs__type svg { width: 100%; height: 100%; }
.rs__type--repo, .rs__type--x-post { color: #000000; }
.rs__type--blog, .rs__type--docs, .rs__type--course, .rs__type--tool, .rs__type--person { color: var(--accent); }

/* Option 1: one scrolling page, every pick visible. */

.rs-stage { padding-top: 36px; scroll-margin-top: calc(var(--rs-header, 64px) + 56px); }
.rs-stage__head { padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.rs-stage__title { margin: 0; font-family: var(--font-display); font-weight: 500; font-size: 28px; letter-spacing: -0.01em; }
.rs-stage__sub { margin: 6px 0 0; font-size: 15px; line-height: 1.55; color: var(--ink-soft); max-width: 62ch; }

.rs-step { padding: 22px 0; border-bottom: 1px solid var(--line-soft); scroll-margin-top: calc(var(--rs-header, 64px) + 56px); }
.rs-step:last-child { border-bottom: 0; }
.rs-step__head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 14px; }
.rs-step__n {
  flex-shrink: 0; width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 12px; color: var(--accent-ink); background: var(--accent-soft); border: 1px solid var(--wash-line);
}
.rs-step__text { flex: 1; min-width: 0; }
.rs-step__title { margin: 3px 0 3px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.rs-step__outcome { margin: 0; font-size: 14px; line-height: 1.5; color: var(--ink-soft); }
.rs-step__time { flex-shrink: 0; margin-top: 6px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-mute); white-space: nowrap; }

.rs-step__picks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-left: 44px; }
.rs-card {
  display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px;
  background: var(--bg-elev); border: 1px solid var(--line); box-shadow: var(--shadow-card);
  color: var(--ink); text-decoration: none; transition: border-color 130ms;
}
.rs-card:hover { border-color: var(--accent); }
.rs-card:hover .rs-card__t { color: var(--accent-ink); }
.rs-card .rs__type { width: 16px; height: 16px; margin-top: 2px; }
.rs-card__text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.rs-card__s { font-size: 12px; color: var(--ink-mute); }
.rs-card__t { font-size: 14px; font-weight: 600; line-height: 1.35; }

@media (max-width: 860px) {
  .rs-step__picks { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .rs-step__picks { margin-left: 0; }
  .rs-stage__title { font-size: 24px; }
  .rs-step__head { gap: 12px; }
}

/* One stage at a time; stages sit side by side and slide horizontally. */
.st-tabs {
  position: sticky; top: var(--rs-header, 64px); z-index: 5;
  display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none;
  padding: 10px 0; background: var(--bg); border-bottom: 1px solid var(--line);
}
.st-tabs::-webkit-scrollbar { display: none; }
.st-tab {
  flex-shrink: 0; display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  font: inherit; font-size: 12.5px; color: var(--ink-soft); background: none; padding: 6px 10px; border: 1px solid transparent;
}
.st-tab:hover { color: var(--ink); border-color: var(--line); }
.st-tab.is-on { color: var(--accent-ink); background: var(--accent-soft); border-color: var(--wash-line); }
.st-tab__n { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-mute); }
.st-tab.is-on .st-tab__n { color: var(--accent-ink); }
.st-arrows { margin-left: auto; display: inline-flex; gap: 4px; position: sticky; right: 0; background: var(--bg); padding-left: 8px; }
.st-arrow { width: 32px; height: 30px; font: inherit; cursor: pointer; color: var(--ink); background: var(--bg-elev); border: 1px solid var(--line); }
.st-arrow:hover:not(:disabled) { border-color: var(--accent); color: var(--accent-ink); }
.st-arrow:disabled { opacity: 0.35; cursor: default; }

.st-viewport { overflow: hidden; transition: height 260ms ease; }
.st-track { display: flex; align-items: flex-start; transition: transform 380ms cubic-bezier(.2,.7,.2,1); }
.st-panel { flex: 0 0 100%; min-width: 0; padding-top: 30px; }
@media (prefers-reduced-motion: reduce) { .st-track, .st-viewport { transition: none; } }

.st-pager { display: flex; justify-content: space-between; gap: 12px; padding: 26px 0 10px; border-top: 1px solid var(--line); margin-top: 6px; }
.st-pager__btn {
  display: flex; flex-direction: column; gap: 3px; text-align: left; cursor: pointer; text-decoration: none;
  font: inherit; font-size: 15px; font-weight: 600; color: var(--ink);
  background: var(--bg-elev); border: 1px solid var(--line); padding: 12px 16px; min-width: 200px;
}
.st-pager__btn span { font-family: var(--font-mono); font-size: 10.5px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-mute); }
.st-pager__btn--next { text-align: right; margin-left: auto; border-color: var(--accent); }
.st-pager__btn--next span { color: var(--accent-ink); }
.st-pager__btn:hover { border-color: var(--accent); background: var(--accent-soft); }

@media (max-width: 600px) {
  .st-pager__btn { min-width: 0; flex: 1; font-size: 14px; padding: 10px 12px; }
  .st-arrows { display: none; }
}

/* keep the title's second half together so it breaks as "Roadmap / for Software Engineers" */
.lib-hero__title .nowrap { white-space: nowrap; }
@media (max-width: 420px) { .lib-hero__title .nowrap { white-space: normal; } }