/* Methodology remains a readable document until its tab enhancement succeeds. */
.methodology-workspace-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .5rem;
  margin: 1rem 0;
}

.methodology-workspace-nav a {
  border: 1px solid var(--border);
  border-radius: .65rem;
  padding: .8rem 1rem;
  text-align: center;
  text-decoration: none;
}

/* How it works is the deterministic default. Give it the selected treatment
   before enhancement initialises, then defer entirely to aria-selected once JS
   has established the interactive tab state. */
.methodology-workspace-nav a[aria-selected="true"],
.methodology-workspace-nav a:first-child:not([aria-selected]) {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.method-cycle {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 0;
  counter-reset: method-step;
  list-style: none;
}

.method-cycle li {
  position: relative;
  min-height: 4.5rem;
  border-left: 2px solid var(--accent);
  padding: .65rem .75rem .65rem 3rem;
  background: var(--surface-2);
  counter-increment: method-step;
}

.method-cycle li::before {
  position: absolute;
  left: .75rem;
  content: counter(method-step);
  color: var(--accent);
  font-weight: 800;
}

.method-boundaries,
.method-evidence-layers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.method-boundaries div,
.method-evidence-layer {
  border-top: 1px solid var(--border);
  padding-top: .8rem;
}

.method-boundaries dt,
.method-evidence-layer h3 {
  font-weight: 700;
}

.method-boundaries dd,
.method-evidence-layer p {
  margin: .35rem 0 0;
  color: var(--text-soft);
}

.methodology-disclosure {
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: .75rem;
  background: var(--surface-2);
  overflow: clip;
}

.methodology-disclosure > summary {
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-weight: 700;
  list-style-position: inside;
}

.methodology-disclosure > summary span {
  display: block;
  margin-top: .25rem;
  color: var(--text-soft);
  font-size: .92rem;
  font-weight: 400;
}

.methodology-disclosure-body {
  padding: 0 1.1rem 1.1rem;
}

/* Source HTML keeps disclosures open so the complete method remains readable
   without JavaScript. The enhancement closes secondary detail after it has
   initialised and re-opens any disclosure targeted by a deep link. */
.methodology-workspace-enhanced .methodology-disclosure:not([open]) > .methodology-disclosure-body {
  display: none;
}

.methodology-route-note {
  margin-top: 1rem;
  padding: .85rem 1rem;
  border-left: 2px solid var(--accent);
  background: var(--surface-2);
}

@media (max-width: 640px) {
  .methodology-workspace-nav,
  .method-cycle,
  .method-boundaries,
  .method-evidence-layers { grid-template-columns: 1fr; }
}