/* ──────────────────────────────────────────────────────────────────────────
 * cards.css — stage-page walkthrough/template cards, chip filter, pinned
 * "first three habits" block, and the cross-stage exit card.
 * Built on Material CSS vars so light & dark both work with no extra rules.
 * Companion script: docs/javascripts/card-filter.js
 * ────────────────────────────────────────────────────────────────────────── */

/* ---------- chips on every card ---------- */
.rc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: .55rem !important;
}
.rc-chip {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  font-size: .68rem;
  font-weight: 700;
  line-height: 1;
  padding: .3rem .52rem;
  border-radius: 999px;
  border: 1px solid var(--md-default-fg-color--lightest);
  background: var(--md-code-bg-color);
  color: var(--md-default-fg-color--light);
  white-space: nowrap;
}
.rc-chip-star {
  border-color: var(--md-primary-fg-color);
  color: var(--md-primary-fg-color);
  background: color-mix(in srgb, var(--md-primary-fg-color) 9%, transparent);
}
.rc-chip-build {
  border-color: #c98a00;
  color: #9a6a00;
  background: color-mix(in srgb, #c98a00 12%, transparent);
}
[data-md-color-scheme="slate"] .rc-chip-build { color: #f0c24a; }
.rc-chip-skill {
  border-color: #5b6cc4;
  color: #4453a8;
  background: color-mix(in srgb, #5b6cc4 12%, transparent);
}
[data-md-color-scheme="slate"] .rc-chip-skill { color: #aeb8ee; }
.rc-chip-adapt {
  font-weight: 600;
}

/* keep Material card content tidy */
.rc-grid.grid.cards > ul > li > :first-child,
.rc-pinned.grid.cards > ul > li > :first-child { margin-top: 0; }
.rc-grid li[hidden] { display: none !important; }

/* Two walkthrough cards per row (collapses to one on narrow screens) */
.md-typeset .rc-grid.grid { grid-template-columns: repeat(2, 1fr); }
@media screen and (max-width: 44.9375em) {
  .md-typeset .rc-grid.grid { grid-template-columns: 1fr; }
}

/* reusable-skill tiles: mirror the walkthrough cards but use a distinct class so
   they are excluded from the card-filter (which only targets .rc-grid) and
   always stay visible */
.rc-skill-grid.grid.cards > ul > li > :first-child { margin-top: 0; }
.md-typeset .rc-skill-grid.grid { grid-template-columns: repeat(2, 1fr); }
@media screen and (max-width: 44.9375em) {
  .md-typeset .rc-skill-grid.grid { grid-template-columns: 1fr; }
}
.rc-scrollbox .rc-skill-grid { padding: .15rem; }

/* ---------- hero card: one prominent, full-width emphasis card ---------- */
/* Single card (e.g. the first Autopilot) rendered large and starred.
   Reuses Material card markup + theme vars so light & dark both work. */
.md-typeset .rc-hero.grid { grid-template-columns: 1fr; }
.rc-hero.grid.cards > ul > li {
  border-color: var(--md-primary-fg-color);
  border-left-width: 4px;
  background: color-mix(in srgb, var(--md-primary-fg-color) 5%, var(--md-default-bg-color));
  box-shadow: 0 1px 2px rgba(20,30,50,.05), 0 10px 26px rgba(63,81,181,.10);
}
.rc-hero.grid.cards > ul > li > :first-child { margin-top: 0; }

/* ---------- filter bar (injected by card-filter.js) ---------- */
.rc-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.6rem;
  padding: .85rem 1.05rem;
  margin: 1rem 0 1.5rem;
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: .75rem;
  box-shadow: 0 1px 2px rgba(20,30,50,.06), 0 6px 18px rgba(20,30,50,.05);
}
.rc-filter-group { display: flex; align-items: center; gap: .55rem; }
.rc-filter-label {
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--md-default-fg-color--lighter);
}
.rc-seg { display: inline-flex; flex-wrap: wrap; gap: .3rem; }
.rc-opt {
  cursor: pointer;
  font-family: inherit;
  font-size: .74rem;
  font-weight: 600;
  line-height: 1;
  padding: .4rem .65rem;
  border-radius: 6px;
  border: 1px solid var(--md-default-fg-color--lightest);
  background: var(--md-code-bg-color);
  color: var(--md-default-fg-color--light);
  transition: border-color .15s, background .15s, color .15s;
}
.rc-opt:hover { border-color: var(--md-primary-fg-color); color: var(--md-primary-fg-color); }
.rc-opt:focus-visible { outline: 2px solid var(--md-primary-fg-color); outline-offset: 2px; }
.rc-opt.active {
  background: var(--md-primary-fg-color);
  border-color: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
}
.rc-filter-count {
  margin-left: auto;
  font-size: .72rem;
  font-weight: 600;
  color: var(--md-default-fg-color--lighter);
}
.rc-filter-empty {
  margin: -0.6rem 0 1.4rem;
  font-size: .82rem;
  color: var(--md-default-fg-color--light);
}

/* ---------- pinned "first three habits" ---------- */
.rc-pinned { margin: 1rem 0 1.4rem; }
/* Force all three habit cards onto one row */
.md-typeset .rc-pinned.grid {
  grid-template-columns: repeat(3, 1fr);
}
.rc-pinned.grid.cards > ul > li {
  border-color: var(--md-primary-fg-color);
  box-shadow: 0 1px 2px rgba(20,30,50,.05), 0 8px 22px rgba(63,81,181,.08);
}
@media screen and (max-width: 44.9375em) {
  .md-typeset .rc-pinned.grid { grid-template-columns: 1fr; }
}
.rc-habit {
  display: inline-block;
  font-size: .6rem;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .26rem .5rem .3rem;
  border-radius: 6px;
  background: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
  margin-bottom: .45rem;
  line-height: 1.1;
}
.rc-habit small {
  display: block;
  font-weight: 700;
  letter-spacing: .02em;
  opacity: .85;
  text-transform: none;
}

/* ---------- bucket sections ---------- */
.rc-bucket { margin-top: 1.7rem; }
.rc-bucket[hidden] { display: none !important; }
.rc-bucket > h3 { margin-bottom: .15rem; }
.rc-bucket > h3 + p { margin-top: .1rem; color: var(--md-default-fg-color--light); font-size: .9rem; }

/* ---------- scrollable walkthroughs region ---------- */
.rc-scrollbox {
  max-height: 70vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  margin: .6rem 0 1.4rem;
  padding: .2rem 1rem .6rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 12px;
  background:
    linear-gradient(var(--md-default-bg-color) 30%, rgba(0,0,0,0)) top / 100% 1.4rem no-repeat,
    linear-gradient(rgba(0,0,0,0), var(--md-default-bg-color) 70%) bottom / 100% 1.4rem no-repeat,
    radial-gradient(farthest-side at 50% 0, rgba(63,81,181,.12), rgba(0,0,0,0)) top / 100% .55rem no-repeat,
    radial-gradient(farthest-side at 50% 100%, rgba(63,81,181,.12), rgba(0,0,0,0)) bottom / 100% .55rem no-repeat;
  background-attachment: local, local, scroll, scroll;
}
.rc-scrollbox > .rc-bucket:first-child { margin-top: .5rem; }
.rc-scrollbox > .rc-bucket:last-child { margin-bottom: .4rem; }
/* slim scrollbar */
.rc-scrollbox::-webkit-scrollbar { width: 9px; }
.rc-scrollbox::-webkit-scrollbar-thumb {
  background: var(--md-default-fg-color--lighter);
  border-radius: 6px;
  border: 2px solid var(--md-default-bg-color);
}
.rc-scrollbox::-webkit-scrollbar-thumb:hover { background: var(--md-default-fg-color--light); }
.rc-scrollbox { scrollbar-width: thin; }
/* let card hover shadows breathe inside the clip */
.rc-scrollbox .rc-grid { padding: .15rem; }

/* ---------- cross-stage exit card ---------- */
.rc-exit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1.1rem;
  margin: 2rem 0 .6rem;
  padding: 1.1rem 1.3rem;
  border-radius: .8rem;
  border: 1px solid var(--md-primary-fg-color);
  background: color-mix(in srgb, var(--md-primary-fg-color) 7%, var(--md-default-bg-color));
}
.rc-exit-text { flex: 1 1 18rem; }
.rc-exit-text strong { display: block; font-size: 1rem; }
.rc-exit-text p { margin: .15rem 0 0; color: var(--md-default-fg-color--light); font-size: .86rem; }
.rc-exit a.rc-exit-cta {
  flex: 0 0 auto;
  font-weight: 700;
  font-size: .9rem;
  padding: .6rem 1.05rem;
  border-radius: .55rem;
  background: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color) !important;
}
.rc-exit a.rc-exit-cta:hover { filter: brightness(1.08); }

@media (max-width: 48rem) {
  .rc-filter-count { margin-left: 0; }
}