/* Components used only by the session pages (session1.0/ and up).
   Load after bootcamp.css. */

.hero.compact { padding: 2.5rem 0 2.75rem; }
.hero.compact h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); max-width: 24ch; }

.crumbs {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--pencil);
  margin: 1.6rem 0 0;
}
.crumbs a { color: var(--pencil); }
.crumbs a:hover { color: var(--pen); }

.brand a { display: flex; align-items: center; gap: .8rem; text-decoration: none; }
.topbar .right { display: flex; align-items: center; gap: .8rem; }
.gh-link {
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--pencil);
  text-decoration: none;
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  padding: .5rem .75rem;
  white-space: nowrap;
}
.gh-link:hover { color: var(--pen); border-color: var(--pen); }

/* ---------- part navigation ---------- */

nav.parts { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.1rem 0 0; }
nav.parts a {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  text-decoration: none;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: .35rem .75rem;
  font-size: .82rem;
}
nav.parts a b { font-family: var(--mono); font-size: .68rem; color: var(--pen); font-weight: 600; }
nav.parts a:hover { border-color: var(--pen); color: var(--ink); }
nav.parts a[aria-current="page"] { border-color: var(--pen); background: var(--pen-wash); color: var(--ink); }

/* ---------- prose inside bands ---------- */

.band h3 { font-family: var(--serif); font-size: 1.22rem; font-weight: 600; margin: 2.2rem 0 .6rem; }
.band > p, .band > ul, .band > ol { max-width: 46rem; }
ul.plain, ol.plain { padding-left: 1.2rem; color: var(--ink-soft); }
ul.plain li, ol.plain li { margin: .4rem 0; }
ul.plain b, ol.plain b { color: var(--ink); }

.meta-row { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; margin: 1.4rem 0 0; font-size: .9rem; color: var(--pencil); }
.meta-row b { color: var(--ink-soft); font-weight: 600; }

/* ---------- today's flow ---------- */

.acts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.act { background: var(--surface); padding: 1.3rem 1.2rem; display: flex; flex-direction: column; gap: .4rem; }
.act .when { font-family: var(--mono); font-size: .68rem; color: var(--pen); font-weight: 600; }
.act .who { font-family: var(--mono); font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; color: var(--pencil-faint); }
.act strong { font-family: var(--serif); font-size: 1.1rem; line-height: 1.3; }
.act p { margin: 0; font-size: .88rem; color: var(--ink-soft); }
.act a { font-size: .85rem; margin-top: auto; padding-top: .5rem; }
.act.is-break { background: var(--pen-wash); }

/* ---------- trust checklist ---------- */

ol.checklist { list-style: none; counter-reset: ck; margin: 0; padding: 0; border-top: 1px solid var(--rule-strong); max-width: 60rem; }
ol.checklist li {
  counter-increment: ck;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr) minmax(0, 17rem);
  gap: .2rem 1rem;
  padding: .9rem 0;
  border-bottom: 1px solid var(--rule);
}
ol.checklist li::before { content: counter(ck, decimal-leading-zero); font-family: var(--mono); font-size: .7rem; color: var(--pen); font-weight: 600; padding-top: .25rem; }
ol.checklist .q { font-family: var(--serif); font-size: 1.06rem; color: var(--ink); }
ol.checklist .src { font-size: .82rem; color: var(--pencil); }
@media (max-width: 40rem) {
  ol.checklist li { grid-template-columns: 2.4rem minmax(0, 1fr); }
  ol.checklist .src { grid-column: 2; }
}

/* ---------- numbered steps ---------- */

.steps { counter-reset: st; display: flex; flex-direction: column; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; }
.step { counter-increment: st; background: var(--surface); padding: 1.3rem 1.4rem 1.3rem 3.7rem; position: relative; }
.step::before {
  content: counter(st);
  position: absolute;
  left: 1.35rem;
  top: 1.3rem;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 600;
  color: var(--pen);
  border: 1px solid var(--pen);
  border-radius: 50%;
}
.step h4 { margin: 0 0 .35rem; font-family: var(--serif); font-size: 1.1rem; font-weight: 600; }
.step p, .step li { font-size: .93rem; color: var(--ink-soft); margin: .3rem 0; max-width: 50rem; }
.step ol, .step ul { padding-left: 1.2rem; margin: .4rem 0; }
.step .say { font-size: .87rem; color: var(--pencil); border-left: 2px solid var(--rule-strong); padding-left: .8rem; margin-top: .7rem; }
details.reveal details.reveal { padding: .75rem .9rem; margin: .6rem 0 0; }
@media (max-width: 40rem) {
  .step { padding: 1.1rem .9rem 1.1rem 2.7rem; }
  .step::before { left: .7rem; top: 1.1rem; }
  .step details.reveal { padding: .8rem .75rem; }
  details.reveal details.reveal { padding: .6rem .5rem; }
}

code, kbd {
  font-family: var(--mono);
  font-size: .84em;
  background: var(--pen-wash);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: .02rem .3rem;
  overflow-wrap: anywhere;
}

/* ---------- reveal cards (activities) ---------- */

details.reveal { background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; padding: 1rem 1.2rem; margin: 0 0 .7rem; max-width: 50rem; }
details.reveal summary { cursor: pointer; font-size: .95rem; color: var(--ink); }
details.reveal summary .lbl { font-family: var(--mono); font-size: .66rem; color: var(--pen); font-weight: 600; margin-right: .5rem; }
details.reveal blockquote { margin: .7rem 0 0; font-family: var(--mono); font-size: .8rem; line-height: 1.55; color: var(--ink-soft); background: var(--pen-wash); padding: .7rem .9rem; border-radius: 3px; }
details.reveal .ans { margin: .8rem 0 0; padding-top: .8rem; border-top: 1px solid var(--rule); font-size: .92rem; color: var(--ink-soft); }
.verdict-ok { color: var(--keep); font-weight: 600; }
.verdict-leak { color: #B3261E; font-weight: 600; }
:root[data-theme="dark"] .verdict-leak { color: #F2A29B; }

/* ---------- prompt boxes and checkpoints (hands-on) ---------- */

.task { max-width: 50rem; margin: .8rem 0 0; padding: .7rem .9rem .6rem; border: 1px solid var(--rule-strong); border-radius: 4px; background: var(--pen-wash); }
.task span { font-family: var(--mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: var(--pen); font-weight: 600; }
.step .task p { margin: .35rem 0 .2rem; color: var(--ink); }
.task ul { margin: .2rem 0 0; padding-left: 1.1rem; }
.step .task li { font-size: .9rem; margin: .15rem 0; }

.check { max-width: 50rem; margin: .8rem 0 0; padding: .6rem .9rem; border-left: 3px solid var(--keep); background: var(--surface); font-size: .9rem; color: var(--ink-soft); }
.check b { color: var(--ink); }
.check > b:first-child { color: var(--keep); font-family: var(--mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; margin-right: .4rem; }
.step details.reveal { margin-top: .8rem; }
details.hint blockquote { white-space: pre-wrap; overflow-wrap: anywhere; }
.more { max-width: 50rem; margin: .8rem 0 0; padding: .55rem .9rem; border: 1px dashed var(--rule-strong); border-radius: 4px; }
.more ul { margin: 0; padding-left: 1.1rem; }
.step .more li { font-size: .88rem; margin: .2rem 0; }
.more li::marker { color: var(--pen); }
.more > b:first-child { display: block; font-size: .88rem; margin-bottom: .2rem; }

/* ---------- commands and prompts to copy as written ---------- */

.step pre.cmd, .step blockquote.prompt { max-width: 50rem; margin: .6rem 0 0; font-family: var(--mono); font-size: .8rem; line-height: 1.55; color: var(--ink); background: var(--pen-wash); border: 1px solid var(--rule); padding: .7rem .9rem; border-radius: 3px; white-space: pre-wrap; overflow-wrap: anywhere; }
.step pre.cmd.has-copy, .step blockquote.prompt.has-copy { position: relative; padding-right: 4.8rem; }
.copy-btn { position: absolute; top: .45rem; right: .45rem; font-family: var(--mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; color: var(--pen); background: var(--surface); border: 1px solid var(--rule-strong); border-radius: 3px; padding: .25rem .5rem; cursor: pointer; }
.copy-btn:hover { background: var(--pen-wash); }
.copy-btn:focus-visible { outline: 2px solid var(--pen); outline-offset: 2px; }
@media print { .copy-btn { display: none; } }

/* ---------- recordings ---------- */

figure.video { margin: 0 0 1.6rem; max-width: 52rem; }
figure.video video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--rule);
  border-radius: 4px;
}
figure.video figcaption { margin-top: .5rem; font-size: .85rem; color: var(--pencil); }

/* ---------- link cards ---------- */

.links { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; }
.links a { background: var(--surface); padding: 1.1rem 1.25rem; text-decoration: none; display: flex; flex-direction: column; gap: .3rem; color: var(--ink); }
.links a:hover { background: var(--pen-wash); }
.links .k { font-family: var(--mono); font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; color: var(--pencil-faint); }
.links strong { font-family: var(--serif); font-size: 1.05rem; font-weight: 600; line-height: 1.3; overflow-wrap: anywhere; }
.links .d { font-size: .86rem; color: var(--ink-soft); }
.links .u { font-family: var(--mono); font-size: .66rem; color: var(--pen); overflow-wrap: anywhere; margin-top: auto; }

/* ---------- prev / next ---------- */

.pager { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 2.5rem 0; border-top: 1px solid var(--rule); }
.pager a { text-decoration: none; display: flex; flex-direction: column; gap: .15rem; max-width: 48%; }
.pager a.next { text-align: right; margin-left: auto; }
.pager .k { font-family: var(--mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--pencil-faint); }
.pager strong { font-family: var(--serif); font-size: 1.1rem; color: var(--ink); }

@media print {
  .topbar, nav.parts, .pager { display: none; }
  body { background: #fff; }
}