/* ---------- campaign layout ---------- */
.campaign { max-width: 1120px; margin: 0 auto; padding: 0 22px 70px; display: grid; grid-template-columns: 250px 1fr; gap: 30px; align-items: start; }
@media (max-width: 900px) { .campaign { grid-template-columns: 1fr; gap: 22px; } }

.track { position: sticky; top: 18px; }
.track h2 { font-size: .95rem; font-family: "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-soft); margin-bottom: 4px; }
.track .track-title { font-family: "Bricolage Grotesque", sans-serif; font-weight: 700; font-size: 1.05rem; margin-bottom: 4px; }
.track .progress { font-size: .8rem; color: var(--ink-soft); margin-bottom: 16px; }
.track ol { list-style: none; margin: 0; padding: 0; position: relative; }
.track ol::before { content: ""; position: absolute; left: 15px; top: 12px; bottom: 12px; width: 2px; background: var(--border); }
.mission {
  position: relative; display: flex; gap: 12px; align-items: flex-start;
  width: 100%; text-align: left; background: none; border: 0; padding: 9px 8px 9px 0; color: var(--ink);
  border-radius: 8px;
}
.mission .dot {
  flex: none; width: 32px; height: 32px; border-radius: 50%; z-index: 1;
  display: grid; place-items: center; background: var(--surface); border: 2px solid var(--border-strong);
  font-family: "IBM Plex Mono", monospace; font-size: .78rem; font-weight: 600; color: var(--ink-soft);
}
.mission .m-label { padding-top: 5px; }
.mission .m-label b { display: block; font-weight: 600; font-size: .92rem; }
.mission .m-label span { font-size: .76rem; color: var(--ink-soft); }
.mission.current .dot { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.mission.done .dot { border-color: var(--good); background: var(--good); color: #fff; }
.mission.locked { color: var(--ink-soft); cursor: not-allowed; }
.mission.locked .dot { opacity: .55; }
.mission:not(.locked) { cursor: pointer; }
.mission:not(.locked):hover .m-label b { color: var(--accent); }

/* ---------- puzzle panel ---------- */
.panel { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.brief { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px 24px; box-shadow: var(--shadow); }
.brief .eyebrow { display: block; margin-bottom: 8px; }
.brief h1 { font-size: 1.6rem; margin-bottom: 10px; }
.brief p { margin: 10px 0 0; color: var(--ink-soft); }
.brief code { background: var(--surface-2); color: var(--ink); padding: 1px 6px; border-radius: 5px; font-size: .88em; }
.brief .hint-goal { margin-top: 16px; font-size: .86rem; color: var(--ink-soft); border-top: 1px dashed var(--border-strong); padding-top: 12px; font-family: "IBM Plex Mono", monospace; }

/* concept (lesson) block */
.lesson {
  margin: 4px 0 16px; padding: 14px 16px 14px 18px;
  background: var(--surface-2); border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0; font-size: .93rem; line-height: 1.62;
}
.lesson .lesson-tag {
  display: block; font-family: "IBM Plex Mono", monospace; text-transform: uppercase;
  letter-spacing: .14em; font-size: .62rem; color: var(--accent); margin-bottom: 6px;
}
.lesson code { background: var(--bg); color: var(--ink); padding: 1px 5px; border-radius: 4px; font-size: .86em; }
.lesson strong { color: var(--ink); }
.brief-task { color: var(--ink-soft); }
.brief-task p { margin: 0; }
.brief-task code { background: var(--surface-2); color: var(--ink); padding: 1px 6px; border-radius: 5px; font-size: .88em; }

/* program select */
.prog-head { margin-bottom: 26px; }
.prog-head .eyebrow { display: block; margin-bottom: 8px; }
.prog-head h1 { font-size: 1.9rem; font-weight: 800; }
.prog-head p { color: var(--ink-soft); margin: 10px 0 0; }
.prog-card p { min-height: 2.6em; }
.prog-bar { margin-top: 12px; height: 5px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.prog-bar span { display: block; height: 100%; background: var(--accent); border-radius: 999px; transition: width .3s ease; }
.mode.locked .prog-bar { display: none; }

/* program-complete banner */
.prog-banner {
  width: 100%; background: var(--good-soft); border: 1px solid var(--good);
  border-radius: 12px; padding: 18px 20px; display: flex; flex-direction: column; gap: 4px; align-items: flex-start;
}
.prog-banner strong { font-family: "Bricolage Grotesque", sans-serif; font-size: 1.05rem; color: var(--good); }
.prog-banner span { color: var(--ink-soft); font-size: .9rem; }
.prog-banner .btn-next { margin-top: 10px; }

/* ---------- « pour aller plus loin » ---------- */
/* Le défi n'est pas la mission : il se distingue par un liseré, pas par une
   couleur d'alerte. Il est facultatif, il doit avoir l'air facultatif. */
.panel.bonus {
  margin-top: 22px; border-left: 3px solid var(--gold);
}
.bonus-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px;
}
.bonus-head b { font-size: 1.05rem; }
.bonus-tag {
  font-size: .7rem; letter-spacing: .09em; text-transform: uppercase;
  color: var(--ink-soft); border: 1px solid var(--border-strong);
  border-radius: 999px; padding: 2px 9px;
}
.bonus-state { margin-left: auto; font-size: .78rem; color: var(--ink-soft); }
.bonus-state.done { color: var(--gold); font-weight: 600; }