/* playground.css — Playground-specific styles for /dashboard/playground
 *
 * Loaded only on the Playground tab. Keeps app.css focused on shared
 * dashboard styles. Vertical layout with domain tabs, scenario card,
 * and full-width results.
 */

/* ── Playground layout ──────────────────────────────────────────── */

.playground-grid {
  display: flex;
  flex-direction: column;
  gap: var(--size-5);
}

/* ── Domain tabs ────────────────────────────────────────────────── */

.playground-tabs-heading {
  font-family: var(--font-display);
  font-size: var(--font-size-3);
  font-weight: 600;
  margin-bottom: var(--size-3);
}

.playground-tabs-row {
  display: flex;
  gap: var(--size-2);
  flex-wrap: wrap;
}

.playground-tab {
  font-family: var(--font-display);
  font-size: var(--font-size-2);
  font-weight: 600;
  padding: var(--size-2) var(--size-4);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius);
  background: var(--bg-elev);
  color: var(--fg);
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease;
}

.playground-tab:hover {
  border-color: var(--fg-muted);
}

.playground-tab.is-active {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 8%, var(--bg-elev));
  color: var(--accent);
  cursor: default;
}

.playground-tab-form {
  display: contents;
}

/* ── Scenario card ──────────────────────────────────────────────── */

.playground-scenario {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius);
  padding: var(--size-5);
  display: flex;
  flex-direction: column;
  gap: var(--size-3);
}

.playground-scenario-title {
  font-family: var(--font-display);
  font-size: var(--font-size-3);
  font-weight: 600;
  margin: 0;
}

.playground-scenario-desc {
  color: var(--fg-soft);
  font-size: var(--font-size-2);
  margin: 0;
  max-width: var(--max-prose);
  line-height: 1.5;
}

.playground-scenario-details {
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius);
  padding: var(--size-3);
  font-size: var(--font-size-1);
  color: var(--fg-soft);
}

.playground-scenario-details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--fg);
}

.playground-scenario-steps {
  margin: var(--size-2) 0 0;
  padding-left: var(--size-4);
  display: flex;
  flex-direction: column;
  gap: var(--size-1);
}

/* Per-step row inside "What this does": the plain-language line
 * plus a nested collapsible JSON panel (collapsed by default). */
.playground-step {
  margin: 0;
}

.playground-step-line {
  color: var(--fg);
}

.playground-step-json {
  margin-top: var(--size-1);
}

.playground-step-json summary {
  cursor: pointer;
  font-family: var(--font-code);
  font-size: var(--font-size-0);
  letter-spacing: 0.02em;
  color: var(--accent);
  list-style: none;
  padding: 0.1rem 0;
}

.playground-step-json summary::-webkit-details-marker { display: none; }

.playground-step-json summary::before {
  content: "▸ ";
  color: var(--fg-muted);
}

.playground-step-json[open] summary::before {
  content: "▾ ";
}

.playground-step-payload {
  margin: var(--size-1) 0 var(--size-2);
  padding: var(--size-3);
  background: var(--bg-code);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius);
  font-family: var(--font-code);
  font-size: var(--font-size-0);
  line-height: 1.5;
  overflow-x: auto;
  color: var(--fg-soft);
  white-space: pre;
}

.playground-scenario-cta {
  align-self: flex-start;
  margin-top: var(--size-2);
}

/* ── Results section ────────────────────────────────────────────── */

.playground-results {
  display: flex;
  flex-direction: column;
  gap: var(--size-4);
}

.playground-banner {
  background: color-mix(in oklab, var(--accent) 8%, var(--bg-elev));
  border: 1px solid color-mix(in oklab, var(--accent) 20%, var(--rule-soft));
  border-radius: var(--radius);
  padding: var(--size-3) var(--size-4);
  font-family: var(--font-display);
  font-size: var(--font-size-1);
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: var(--size-2);
}

.playground-banner-icon {
  font-size: var(--font-size-3);
}

.playground-results-section {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius);
  padding: var(--size-4);
  display: flex;
  flex-direction: column;
  gap: var(--size-3);
}

.playground-results-heading {
  font-family: var(--font-display);
  font-size: var(--font-size-3);
  font-weight: 600;
  margin: 0;
}

.playground-empty-state {
  color: var(--fg-muted);
  font-size: var(--font-size-1);
  text-align: center;
  padding: var(--size-5) var(--size-3);
}

/* ── Table override: no min-width inside Playground ─────────────── */

.playground-results-section .dash-table {
  min-width: 0;
}

/* v3 light sandbox surface */
.playground-grid {
  gap: 22px;
}

.playground-tabs,
.playground-scenario,
.playground-results-section,
.playground-banner {
  border: 1px solid var(--rule-soft);
  border-radius: 18px;
  background: color-mix(in oklab, var(--bg-elev) 86%, transparent);
  box-shadow: 0 18px 36px rgba(18, 22, 30, 0.06);
}

.playground-tabs {
  padding: 18px;
}

.playground-tabs-heading,
.playground-scenario-title,
.playground-results-heading {
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 750;
}

.playground-tab {
  min-height: 38px;
  border-radius: 999px;
  background: var(--bg-elev);
  color: var(--fg-soft);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
}

.playground-tab.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink, #fff);
}

.playground-scenario {
  padding: 24px;
}

.playground-scenario-desc,
.playground-empty-state,
.playground-scenario-details {
  color: var(--fg-soft);
  font-size: 14px;
}

.playground-scenario-details,
.playground-step-payload {
  border-color: var(--rule-soft);
  background: color-mix(in oklab, var(--fg) 6%, var(--bg-elev));
}

.playground-banner {
  padding: 14px 16px;
  color: var(--fg-soft);
  font-family: var(--font-sans);
  font-size: 14px;
}

/* Domain-template gallery (RFC 032) */
.playground-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.playground-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--rule-soft);
  border-radius: 14px;
  background: var(--bg-elev);
}

.playground-card-title {
  margin: 0;
  font-size: 16px;
}

.playground-card-desc {
  margin: 0;
  flex: 1;
  color: var(--fg-soft);
  font-size: 14px;
  line-height: 1.5;
}

.playground-card-cta {
  align-self: flex-start;
  cursor: pointer;
}

.playground-card {
  transition: border-color 0.12s ease, box-shadow 0.12s ease, transform 0.12s ease;
}

.playground-card:hover {
  border-color: color-mix(in oklab, var(--accent) 45%, var(--rule-soft));
  box-shadow: 0 10px 24px rgba(18, 22, 30, 0.07);
  transform: translateY(-1px);
}

.playground-card-cta:hover {
  filter: brightness(1.08);
}

/* Run result panel: the step sequence with the gate's real verdicts. */
.playground-run {
  margin: 18px 0;
  padding: 24px;
  border: 1px solid var(--rule-soft);
  border-radius: 16px;
  background: color-mix(in oklab, var(--bg-elev) 86%, transparent);
  box-shadow: 0 18px 36px rgba(18, 22, 30, 0.06);
}

.playground-run-head h2 {
  margin: 2px 0 6px;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 750;
}

.playground-run-steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

/* Each step is its own row, separated by a hairline so the verdict,
 * its detail, and its receipt read as one grouped unit — not a run-on
 * block of prose. */
.playground-run-step {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid var(--rule-soft);
}

.playground-run-step:first-child {
  border-top: none;
  padding-top: 0;
}

/* The pill sits in a fixed-width gutter so every verdict aligns. */
.playground-run-step > .dash-pill {
  justify-self: start;
  margin-top: 1px;
}

.playground-run-step-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.playground-run-step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg);
}

.playground-run-step-reason {
  margin: 0;
  font-family: var(--font-code);
  font-size: 12px;
  color: var(--fg-muted);
}

/* The receipt link is a distinct, obviously-clickable chip on its own
 * line — never inlined into the verdict sentence. */
.playground-run-receipt {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 2px;
  padding: 7px 13px;
  border: 1px solid color-mix(in oklab, var(--accent) 35%, var(--rule-soft));
  border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 6%, var(--bg-elev));
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.12s ease, background 0.12s ease, transform 0.12s ease, box-shadow 0.12s ease;
}

.playground-run-receipt:hover {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 12%, var(--bg-elev));
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(18, 22, 30, 0.08);
}

.playground-run-receipt-icon {
  font-size: 13px;
  line-height: 1;
}

.playground-run-receipt-arrow {
  transition: transform 0.12s ease;
}

.playground-run-receipt:hover .playground-run-receipt-arrow {
  transform: translateX(2px);
}

.playground-run-foot {
  margin-top: 18px;
  border-top: 1px solid var(--rule-soft);
  padding-top: 14px;
}