/* Page-specific styles for the public Consequence Chains page.
   The visible language is intentionally human-facing; deeper formal and
   implementation terminology is confined to optional technical disclosure. */

.chain-wrap { margin: 34px 0 10px; }
.chain-graph { display: grid; gap: 18px; }

/* ── nodes ── */
.cnode { background: var(--white); border: 1.5px solid var(--line); border-radius: 14px;
  padding: 14px 16px; box-shadow: var(--shadow-sm); min-width: 0; }
.cnode .cstage { display: block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  font-weight: 800; color: var(--blue); margin-bottom: 4px; }
.cnode .cval { font-family: var(--font-machine); font-variant-numeric: tabular-nums; font-size: .92rem; }
.cnode .cval.neg { color: var(--red); }
.cnode .cval.pos { color: var(--green); }
.cnode-stakeholder { border-color: rgba(29,99,212,.45); background: var(--ice); }
.cnode-refused { border: 2px solid var(--amber); background: #fdf6ea; }
.cnode-refused .cstage { color: var(--amber); }
.cnode-refused .cstate { font-family: var(--font-machine); font-weight: 800; letter-spacing: .08em; }

/* ── arrows (solid = computed/accepted propagation) ── */
.carrow { display: flex; align-items: center; justify-content: center; color: var(--navy); }
.carrow::after { content: "→"; font-size: 1.35rem; font-weight: 700; }
.carrow-down::after { content: "↓"; }

/* ── desktop layout: main row + branch row ── */
@media (min-width: 861px) {
  .chain-main { display: grid; grid-template-columns: 1fr 28px 1fr 28px 1fr 28px 1fr 28px 1fr; align-items: stretch; gap: 6px; }
  .chain-branches { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; margin-top: 26px; position: relative; }
  .chain-branch { display: grid; grid-template-rows: 22px auto; justify-items: center; }
  .chain-branch .carrow-down { height: 22px; }
  .chain-branch .cnode { width: 100%; }
  .fb-strip.fb-mobile { display: none; }
}

/* ── feedback loop strip ── */
.chain-feedback { margin-top: 26px; border-top: 1px dotted transparent; }
.fb-strip { display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--mist); border: 1.5px solid var(--line); border-radius: 14px; padding: 12px 16px; }
.fb-tag { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 800; color: var(--navy); }
.fb-stage { font-weight: 650; }
.fb-return { display: inline-flex; align-items: center; gap: 6px; color: var(--navy); font-weight: 700; }
.fb-return::before { content: "↩"; font-size: 1.2rem; }

/* ── meta line under the graph: refusal reason + source attribution ── */
.chain-meta { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 14px; align-items: baseline; }
.chain-meta .creason { color: var(--amber); font-weight: 650; }
.chain-meta .creason::before { content: ""; }
.chain-meta .csrc { font-family: var(--font-machine); font-size: .82rem; color: var(--muted); }

/* ── mobile: vertical recomposition (spec §18 deterministic rule) ── */
@media (max-width: 860px) {
  .chain-main { display: grid; gap: 8px; }
  .chain-main .carrow { justify-content: flex-start; padding-left: 18px; }
  .chain-main .carrow::after { content: "↓"; }
  .chain-branches { display: grid; gap: 8px; margin-top: 8px; }
  .chain-branch { display: grid; grid-template-columns: 34px 1fr; align-items: center; gap: 4px; }
  .chain-branch .carrow-down { justify-content: flex-start; padding-left: 18px; }
  .chain-branch .carrow-down::after { content: "↳"; }
  .fb-strip.fb-desktop { display: none; }
  .fb-mobile { display: block; }
}

/* ── operations cards (visually distinct from chain nodes: no border-card look) ── */
.ops-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin-top: 26px; }
.op-card { border-left: 3px solid var(--blue); background: var(--mist); border-radius: 0 14px 14px 0; padding: 16px 18px; }
.op-card h3 { font-size: 1.06rem; margin-bottom: 6px; }
.op-card .qq { color: var(--blue); font-weight: 700; display: block; margin-bottom: 6px; }
.op-card .tier { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 800; color: var(--muted); }

/* ── status strip (Section 5) ── */
.status-line { font-family: var(--font-machine); background: var(--navy); color: #dfe8ff;
  border-radius: 12px; padding: 12px 16px; font-size: .88rem; overflow-x: auto; white-space: nowrap; }
.status-line .st-ref { color: #ffd8a0; font-weight: 700; }

/* ── evidence disclosure ── */
.chain-evidence details { border: 1px solid var(--line); border-radius: 12px; margin-top: 10px; background: var(--white); }
.chain-evidence summary { cursor: pointer; padding: 12px 16px; font-weight: 650; }
.chain-evidence summary:focus-visible { outline: 3px solid var(--peri); outline-offset: 2px; border-radius: 12px; }
.chain-evidence .edetail { padding: 0 16px 14px; }
.chain-evidence table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.chain-evidence td, .chain-evidence th { text-align: left; padding: 6px 8px; border-top: 1px solid var(--line); vertical-align: top; }
.chain-evidence .mono { word-break: break-all; }

/* legend */
.tier-legend { font-size: .88rem; color: var(--muted); max-width: 760px; }

@media (prefers-reduced-motion: reduce) {
  .chain-wrap *, .ops-grid * { transition: none !important; animation: none !important; }
}