/* ── Wave 139 — /compare-detail interactive matrix + ROI delta + migration
   ────────────────────────────────────────────────────────────────────────
   DESIGN.md tokens only. Dark-only foundation. No raw hex outside var()
   fallbacks. */

.cmp-interactive {
  margin: var(--space-6, 32px) 0;
  display: grid;
  gap: var(--space-5, 24px);
}

/* ── Filter chips + sort ───────────────────────────────────────────── */
.cmp-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2, 8px);
  align-items: center;
  padding: var(--space-3, 12px);
  background: var(--surface, #131620);
  border: 1px solid var(--border, rgba(255, 255, 255, .07));
  border-radius: var(--radius, 12px);
}

.cmp-filter-chip {
  background: var(--surface2, #1a1e2e);
  color: var(--muted2, #94a3b8);
  border: 1px solid var(--border, rgba(255, 255, 255, .07));
  border-radius: var(--radius-sm, 7px);
  padding: 6px 12px;
  font: 500 13px / 1.2 var(--sans, system-ui);
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}

.cmp-filter-chip:hover,
.cmp-filter-chip:focus-visible {
  background: var(--surface, #131620);
  color: var(--text, #e2e8f0);
  border-color: var(--border2, rgba(255, 255, 255, .12));
}

.cmp-filter-chip[data-active="true"] {
  background: var(--accent, #5b8af8);
  color: var(--bg, #0b0d14);
  border-color: var(--accent, #5b8af8);
}

.cmp-sort-select {
  margin-left: auto;
  background: var(--surface2, #1a1e2e);
  color: var(--text, #e2e8f0);
  border: 1px solid var(--border, rgba(255, 255, 255, .07));
  border-radius: var(--radius-sm, 7px);
  padding: 6px 10px;
  font: 500 13px / 1.2 var(--sans, system-ui);
}

/* ── Interactive matrix table ──────────────────────────────────────── */
.cmp-matrix {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface, #131620);
  border: 1px solid var(--border, rgba(255, 255, 255, .07));
  border-radius: var(--radius, 12px);
  overflow: hidden;
}

.cmp-matrix thead th {
  text-align: left;
  font: 600 12px / 1.4 var(--sans, system-ui);
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted2, #94a3b8);
  padding: 12px 14px;
  background: var(--surface2, #1a1e2e);
  border-bottom: 1px solid var(--border, rgba(255, 255, 255, .07));
}

.cmp-matrix tbody tr {
  border-bottom: 1px solid var(--border, rgba(255, 255, 255, .07));
}

.cmp-matrix tbody tr:last-child {
  border-bottom: 0;
}

.cmp-matrix td {
  padding: 12px 14px;
  font: 14px / 1.5 var(--sans, system-ui);
  color: var(--text, #e2e8f0);
  vertical-align: top;
}

.cmp-matrix .cmp-row__feature-note {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted, #64748b);
}

.cmp-row[data-wins="enterno"] td:nth-child(2) {
  background: rgba(52, 211, 153, .08);
  color: var(--green, #34d399);
  font-weight: 600;
}

.cmp-row[data-wins="competitor"] td:nth-child(3) {
  background: rgba(248, 113, 113, .06);
  color: var(--yellow, #fbbf24);
  font-weight: 600;
}

.cmp-row[data-differs="false"] td {
  color: var(--muted2, #94a3b8);
}

.cmp-row[hidden] {
  display: none;
}

.cmp-cell-check {
  text-align: center;
  font-size: 16px;
}

.cmp-cell-check[data-val="true"] {
  color: var(--green, #34d399);
}

.cmp-cell-check[data-val="false"] {
  color: var(--red, #f87171);
}

.cmp-matrix-empty {
  padding: var(--space-5, 24px);
  text-align: center;
  color: var(--muted2, #94a3b8);
  font-style: italic;
}

/* ── ROI calculator card ───────────────────────────────────────────── */
.cmp-roi-calc {
  background: var(--surface, #131620);
  border: 1px solid var(--border, rgba(255, 255, 255, .07));
  border-radius: var(--radius, 12px);
  padding: var(--space-5, 24px);
  display: grid;
  gap: var(--space-4, 16px);
}

.cmp-roi-calc__title {
  margin: 0;
  font: 700 20px / 1.3 var(--sans, system-ui);
  color: var(--text, #e2e8f0);
}

.cmp-roi-calc__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3, 12px);
  align-items: end;
}

.cmp-roi-calc__label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font: 500 13px / 1.3 var(--sans, system-ui);
  color: var(--muted2, #94a3b8);
}

.cmp-roi-calc__input,
.cmp-roi-calc__select {
  background: var(--surface2, #1a1e2e);
  color: var(--text, #e2e8f0);
  border: 1px solid var(--border, rgba(255, 255, 255, .07));
  border-radius: var(--radius-sm, 7px);
  padding: 8px 12px;
  font: 14px / 1.4 var(--sans, system-ui);
  width: 100%;
  box-sizing: border-box;
}

.cmp-roi-calc__input:focus-visible,
.cmp-roi-calc__select:focus-visible {
  outline: 2px solid var(--accent, #5b8af8);
  outline-offset: 1px;
}

.cmp-roi-output {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-3, 12px);
  padding: var(--space-3, 12px);
  background: var(--surface2, #1a1e2e);
  border-radius: var(--radius-sm, 7px);
  border: 1px solid var(--border, rgba(255, 255, 255, .07));
}

.cmp-roi-output__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cmp-roi-output__label {
  font: 500 11px / 1.2 var(--sans, system-ui);
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted, #64748b);
}

.cmp-roi-output__value {
  font: 700 22px / 1.2 var(--mono, ui-monospace);
  color: var(--green, #34d399);
}

.cmp-roi-output__value--neutral {
  color: var(--text, #e2e8f0);
}

.cmp-roi-output__value--warn {
  color: var(--yellow, #fbbf24);
}

.cmp-roi-output__value--bad {
  color: var(--red, #f87171);
}

/* ── Migration assistant ──────────────────────────────────────────── */
.cmp-migration-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3, 12px);
  counter-reset: cmp-step;
}

.cmp-migration-step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: var(--space-3, 12px);
  align-items: flex-start;
  padding: var(--space-3, 12px);
  background: var(--surface, #131620);
  border: 1px solid var(--border, rgba(255, 255, 255, .07));
  border-radius: var(--radius, 12px);
  counter-increment: cmp-step;
}

.cmp-migration-step::before {
  content: counter(cmp-step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent, #5b8af8);
  color: var(--bg, #0b0d14);
  font: 700 14px / 1 var(--mono, ui-monospace);
}

.cmp-migration-step__title {
  margin: 0 0 4px 0;
  font: 600 15px / 1.3 var(--sans, system-ui);
  color: var(--text, #e2e8f0);
}

.cmp-migration-step__body {
  margin: 0 0 8px 0;
  font: 14px / 1.5 var(--sans, system-ui);
  color: var(--muted2, #94a3b8);
}

.cmp-migration-step__cta {
  display: inline-block;
  font: 500 13px / 1.2 var(--sans, system-ui);
  color: var(--accent, #5b8af8);
  text-decoration: none;
}

.cmp-migration-step__cta:hover,
.cmp-migration-step__cta:focus-visible {
  text-decoration: underline;
}

/* ── Switch CTA ───────────────────────────────────────────────────── */
.cmp-switch-cta {
  background: linear-gradient(135deg, var(--accent, #5b8af8), var(--accent2, #7c60f5));
  color: var(--bg, #0b0d14);
  border: 0;
  border-radius: var(--radius, 12px);
  padding: 14px 28px;
  font: 700 16px / 1.2 var(--sans, system-ui);
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}

.cmp-switch-cta:hover,
.cmp-switch-cta:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(91, 138, 248, .25);
}

/* ── Utility hooks (replace inline styles in compare-detail.php) ──── */
.cmp-sort-label {
  margin-left: auto;
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.cmp-roi-calc__subtitle {
  margin: 0;
  color: var(--muted2, #94a3b8);
}

.cmp-migration-intro {
  color: var(--muted2, #94a3b8);
}

.cmp-switch-cta-wrap {
  text-align: center;
  margin-top: var(--space-5, 24px);
}

.cmp-switch-cta-sub {
  color: var(--muted2, #94a3b8);
  margin-top: 8px;
}

/* ── Mobile ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .cmp-roi-calc__form {
    grid-template-columns: 1fr;
  }
  .cmp-matrix {
    font-size: 12px;
  }
  .cmp-matrix td,
  .cmp-matrix th {
    padding: 8px 10px;
  }
  .cmp-filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .cmp-sort-select {
    margin-left: 0;
  }
}