/* =========================================================
   EXPLORATION TOOLBOX — per-product styles
   Builds only on assets/brand-system.css tokens.
   Genre: the strategist's ruled worksheet / audit ledger.
   See visual-evidence-sheet.md for provenance of every token.
   ========================================================= */

/* ---- document scale: tool pages, not landings ---- */
.tb-page {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px) 96px;
}

/* ---- top chrome: one slim run bar ---- */
.tb-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 28px;
  padding: 18px clamp(20px, 4vw, 56px);
  border-bottom: 2px solid var(--pr-ink);
}
.tb-bar__brand {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--pr-ink);
}
.tb-bar__brand em { font-style: normal; color: var(--pr-red); }
.tb-bar__meta {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pr-ink-soft);
}
.tb-bar__meta strong { color: var(--pr-ink); font-weight: 700; }
.tb-bar__nav { margin-left: auto; display: flex; gap: 18px; }
.tb-bar__nav a {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: none;
  color: var(--pr-ink-soft);
}
.tb-bar__nav a:hover { color: var(--pr-red); }
.tb-bar__nav a[aria-current="page"] {
  color: var(--pr-red);
  border-bottom: 2px solid var(--pr-red);
}

/* ---- page header ---- */
.tb-head { padding: 56px 0 8px; }
.tb-head .pr-eyebrow { margin-bottom: 6px; }
.tb-title {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--pr-ink);
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin: 0 0 10px;
}
.tb-title em { font-style: normal; color: var(--pr-red); }
.tb-sub {
  font-size: 17px;
  line-height: 1.7;
  color: var(--pr-ink-soft);
  max-width: 62ch;
  margin: 0;
}

/* ---- section headers with rule ---- */
.tb-sec {
  margin-top: 64px;
  padding-top: 14px;
  border-top: 2px solid var(--pr-ink);
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.tb-sec__num {
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--pr-red);
  font-size: 15px;
  letter-spacing: 0.04em;
}
.tb-sec__t {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--pr-ink);
  font-size: 21px;
  letter-spacing: 0.02em;
  margin: 0;
}
.tb-sec__note { margin-left: auto; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--pr-ink-soft); }

/* ---- ledger tables ---- */
.tb-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 22px;
  font-size: 14.5px;
  line-height: 1.55;
  letter-spacing: 0.02em;
}
.tb-table th {
  text-align: left;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--pr-ink);
  padding: 10px 14px 10px 0;
  border-bottom: 2px solid var(--pr-ink);
  vertical-align: bottom;
}
.tb-table td {
  padding: 14px 14px 14px 0;
  border-bottom: 1px solid var(--pr-fog);
  vertical-align: top;
  color: var(--pr-ink-soft);
}
.tb-table td.tb-player {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 16px;
  color: var(--pr-ink);
  white-space: nowrap;
}
.tb-table .tells { color: var(--pr-ink); }
.tb-table .tells strong { font-weight: 700; }

/* ---- provenance + status chips: flat bordered stamps ---- */
.tag {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1.5px solid var(--pr-ink);
  color: var(--pr-ink);
  white-space: nowrap;
}
.tag--sourced { }
.tag--inferred { border-style: dashed; }
.tag--hypo { border-color: var(--pr-red); color: var(--pr-red); }
.tag--demo { border-color: var(--pr-fog); color: var(--pr-ink-soft); }

.stamp {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 15px;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border: 2.5px solid var(--pr-ink);
  color: var(--pr-ink);
}
.stamp--red { border-color: var(--pr-red); color: var(--pr-red); }
.stamp--soft { border-color: var(--pr-fog); color: var(--pr-ink-soft); }

/* ---- verdict blocks ---- */
.verdict {
  margin-top: 26px;
  border: 2px solid var(--pr-ink);
  display: grid;
  grid-template-columns: 220px 1fr;
}
.verdict--trap { border-color: var(--pr-fog); }
.verdict__side {
  padding: 22px;
  border-right: 1px solid var(--pr-fog);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}
.verdict__body { padding: 22px 26px; font-size: 15px; }
.verdict__body h4 {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 18px;
  color: var(--pr-ink);
  margin: 0 0 8px;
}
.verdict__body p { margin: 0 0 12px; }
.verdict__body p:last-child { margin-bottom: 0; }
.kv { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--pr-ink-soft); }
.kv strong { color: var(--pr-ink); }

/* ---- tension poles: two-column dialectic sheet ---- */
.poles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 2px solid var(--pr-ink);
  margin-top: 18px;
}
.pole { padding: 24px 26px; }
.pole + .pole { border-left: 2px solid var(--pr-ink); }
.pole h4 {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 15px;
  margin: 0 0 10px;
  color: var(--pr-red);
}
.pole blockquote {
  margin: 0 0 14px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--pr-ink);
  font-weight: 500;
}
.pole .kv { display: block; margin-top: 4px; }

/* ---- candidate cards (tension finder) ---- */
.cand { margin-top: 30px; border-top: 2px solid var(--pr-ink); padding-top: 16px; }
.cand__head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.cand__name {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 22px;
  color: var(--pr-ink);
  margin: 0;
}
.cand--dead .cand__name { text-decoration: line-through; text-decoration-thickness: 3px; text-decoration-color: var(--pr-red); color: var(--pr-ink-soft); }
.cand__body { margin-top: 14px; font-size: 15px; }

/* ---- SOLVE hypothesis grid ---- */
.hyp { margin-top: 32px; border: 2px solid var(--pr-ink); }
.hyp__head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  padding: 18px 24px;
  border-bottom: 2px solid var(--pr-ink);
}
.hyp__id { font-family: var(--font-display); font-weight: 900; font-size: 26px; color: var(--pr-red); }
.hyp__t { font-family: var(--font-display); font-weight: 900; text-transform: uppercase; font-size: 20px; color: var(--pr-ink); margin: 0; }
.hyp__grid { display: grid; grid-template-columns: 168px 1fr; }
.hyp__grid dt {
  padding: 14px 18px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--pr-ink);
  border-bottom: 1px solid var(--pr-fog);
}
.hyp__grid dd {
  margin: 0;
  padding: 14px 22px 14px 0;
  font-size: 14.5px;
  border-bottom: 1px solid var(--pr-fog);
  color: var(--pr-ink-soft);
}
.hyp__grid dt:last-of-type, .hyp__grid dd:last-of-type { border-bottom: none; }
.hyp__grid .the-question { color: var(--pr-ink); font-weight: 500; font-size: 16px; }

/* ---- handoff chip: where a tool feeds another ---- */
.handoff {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 2px solid var(--pr-red);
  color: var(--pr-red);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 14px;
  margin-top: 6px;
}
.handoff::before { content: "→"; font-size: 15px; }
.inchip {
  display: inline-block;
  border: 1.5px dashed var(--pr-red);
  color: var(--pr-red);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
}

/* ---- brief facsimile (problem definition) ---- */
.brief {
  border: 1px solid var(--pr-fog);
  border-left: 6px solid var(--pr-ink);
  padding: 26px 30px;
  margin-top: 22px;
  max-width: 760px;
}
.brief p { margin: 0 0 10px; font-size: 15px; }
.brief .kv { display: block; margin-bottom: 12px; }

/* ---- index / system map ---- */
.map { margin-top: 40px; }
.map__stage { display: grid; grid-template-columns: 150px 1fr; border-top: 2px solid var(--pr-ink); padding: 26px 0; gap: 18px; }
.map__stagename {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--pr-red);
  font-size: 17px;
}
.map__tools { display: grid; gap: 18px; }
.map__tool { display: grid; grid-template-columns: 240px 1fr; gap: 18px; align-items: baseline; }
.map__tool a {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 21px;
  color: var(--pr-ink);
  border-bottom: none;
}
.map__tool a:hover { color: var(--pr-red); }
.map__tool p { margin: 0; font-size: 14.5px; }
.map__shelf { display: flex; flex-wrap: wrap; gap: 10px 26px; font-size: 14px; color: var(--pr-ink); font-weight: 500; }

/* ---- footer engine line ---- */
.tb-foot {
  margin-top: 80px;
  border-top: 2px solid var(--pr-ink);
  padding-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  align-items: center;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pr-ink-soft);
}
.tb-foot strong { color: var(--pr-red); font-weight: 700; }

@media (max-width: 760px) {
  .verdict, .poles, .hyp__grid, .map__tool, .map__stage { grid-template-columns: 1fr; }
  .hyp__grid dd { padding-left: 18px; padding-right: 18px; }
  .hyp__grid dt { border-bottom: none; padding-bottom: 4px; }
  .pole + .pole { border-left: none; border-top: 2px solid var(--pr-ink); }
  .verdict__side { border-right: none; border-bottom: 1px solid var(--pr-fog); }
  .tb-bar__nav { margin-left: 0; }
}