/* Rule studio — layered on style.css, every selector scoped to `body.studio`
   so the studio can reuse names the decision workspace already owns
   (.rule-card, .rule-id) without either page reaching into the other. */

.studio #studio {
  width: calc(100% - 48px);
  max-width: 1840px;
  min-height: 0;
  flex: 1 1 auto;
  align-self: center;
  display: grid;
  grid-template-columns: minmax(230px, 0.62fr) minmax(520px, 2.1fr) minmax(320px, 1fr);
  gap: 20px;
  padding-bottom: 24px;
}

.studio .studio-toolbar .controls {
  align-items: flex-end;
  gap: 8px;
}

.studio code,
.studio .mono {
  font-family: var(--font-mono);
}

.studio .muted {
  margin: 4px 0;
  color: var(--color-text-muted);
  font-size: 0.73rem;
  line-height: 1.45;
}

.studio .legend {
  margin: 0 0 12px;
  padding: 9px 11px;
  color: var(--color-text-secondary);
  background: var(--accent-softer);
  border: 1px solid var(--accent-border);
  border-radius: 9px;
  font-size: 0.73rem;
  line-height: 1.5;
}

.studio .empty {
  margin: 12px 0;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.studio .spacer {
  flex: 1 1 auto;
}

/* ---------- buttons and inputs ---------- */

.studio .primary-btn,
.studio .ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 34px;
  padding: 7px 13px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 570;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.studio .primary-btn {
  color: var(--color-on-accent);
  background: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.studio .primary-btn:hover:not(:disabled) {
  background: var(--color-accent-dark);
}

.studio .ghost-btn {
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}

.studio .ghost-btn:hover:not(:disabled) {
  color: var(--color-accent-dark);
  background: var(--accent-soft);
  border-color: var(--accent-border);
}

.studio .ghost-btn.danger:hover:not(:disabled) {
  color: var(--color-error-strong);
  background: var(--error-soft);
  border-color: var(--error-border);
}

.studio .primary-btn:disabled,
.studio .ghost-btn:disabled {
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.55;
}

/* A refusal example is labelled as one before it is clicked: the list reads
   "here is one that compiles, and here is one of each way it can fail". */
.studio .ghost-btn.refusal {
  color: var(--color-error-strong);
  background: var(--error-soft);
  border-color: var(--error-border);
}

.studio .ghost-btn.small {
  min-height: 27px;
  padding: 4px 9px;
  font-size: 0.68rem;
}

.studio .icon-btn {
  padding: 2px 6px;
  color: var(--color-text-muted);
  background: none;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1;
}

.studio .icon-btn:hover {
  color: var(--color-accent-dark);
  background: var(--accent-soft);
  border-color: var(--accent-border);
}

.studio .icon-btn.tiny {
  font-size: 0.7rem;
}

.studio .text-input,
.studio select.text-input {
  width: 100%;
  min-height: 32px;
  padding: 5px 8px;
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 7px;
  font-size: 0.76rem;
}

.studio .text-input.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.studio .text-input.small {
  min-height: 27px;
}

.studio .text-input:focus-visible {
  border-color: var(--color-accent);
  outline: 2px solid var(--accent-ring);
  outline-offset: 0;
}

.studio .field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  margin-bottom: 10px;
}

.studio .field-hint {
  color: var(--color-text-muted);
  font-size: 0.66rem;
  line-height: 1.4;
}

.studio .row-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 8px;
  margin: 10px 0;
}

.studio .row-actions .field {
  flex: 1 1 160px;
  margin-bottom: 0;
}

/* ---------- pack rail ---------- */

.studio .pack-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.studio .pack-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 11px;
  text-align: left;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

.studio .pack-card:hover {
  background: var(--color-bg-card-hover);
}

.studio .pack-card.active {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  box-shadow: inset 2px 0 0 var(--color-accent);
}

.studio .pack-card-top {
  display: flex;
  align-items: center;
  gap: 6px;
}

.studio .pack-name {
  color: var(--color-text-primary);
  font-size: 0.79rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.studio .dot-draft {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  background: var(--color-warning);
  border-radius: 50%;
}

.studio .pack-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 9px;
  color: var(--color-text-secondary);
  font-size: 0.66rem;
}

.studio .pack-meta.muted {
  color: var(--color-text-muted);
}

.studio .tag-new {
  color: var(--color-warning-strong);
}

.studio .capabilities {
  margin: 14px 0 0;
  color: var(--color-text-muted);
  font-size: 0.67rem;
  line-height: 1.5;
}

/* The pack view switcher is `.tabs` / `.tab` in style.css, shared with the
   evidence browser and the receipt viewer. Nothing studio-specific. */

/* ---------- decision tables ---------- */

.studio .table-block {
  margin-bottom: 26px;
}

.studio .table-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.studio .table-attr {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
}

.studio .table-question {
  color: var(--color-text-muted);
  font-size: 0.72rem;
}

.studio .table-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
}

/* The hit policy is a derived statement about the table, not one of a set of
   choices — an accent-filled pill beside a row of outlined entity-type pills
   read as the selected item of a switcher. Stating it as `label value` text
   removes the affordance while keeping it the first thing in the row, which is
   right: it is what tells you how overlapping rows resolve. */
.studio .table-policy {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  margin-right: 3px;
  font-size: 0.62rem;
  cursor: help;
}

.studio .table-policy .policy-label {
  color: var(--color-text-muted);
  font-weight: 500;
}

.studio .table-policy .policy-value {
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.studio .tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  color: var(--color-accent-dark);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 600;
  white-space: nowrap;
}

.studio .tag.subtle {
  color: var(--color-text-secondary);
  background: transparent;
  border-color: var(--color-border);
  font-weight: 500;
}

.studio .tag.warn {
  color: var(--color-warning-strong);
  background: var(--warning-soft);
  border-color: var(--warning-border);
}

.studio .tag.receipts {
  color: var(--color-info-strong);
  background: var(--info-soft);
  border-color: var(--info-border);
}

.studio .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 11px;
}

.studio .decision-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
}

.studio .decision-table th {
  padding: 7px 8px;
  color: var(--color-text-secondary);
  text-align: left;
  vertical-align: bottom;
  background: var(--accent-softer);
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  white-space: nowrap;
}

.studio .decision-table td {
  padding: 4px 6px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.studio .decision-table tbody tr:last-child td {
  border-bottom: none;
}

.studio .decision-table .col-input {
  min-width: 158px;
}

.studio .decision-table .col-rule {
  min-width: 132px;
}

.studio .decision-table .col-num {
  width: 52px;
}

.studio .decision-table .col-cite {
  min-width: 140px;
  font-size: 0.68rem;
}

.studio .col-name {
  display: block;
  font-family: var(--font-mono);
  color: var(--color-text-primary);
}

.studio .col-ref,
.studio .col-kind {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.6rem;
  font-weight: 500;
}

.studio .decision-table .rule-id {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
}

.studio .cell-input {
  width: 100%;
  min-height: 26px;
  padding: 3px 6px;
  color: var(--color-text-primary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.studio .cell-input:hover {
  border-color: var(--color-border);
}

.studio .cell-input:focus-visible {
  background: var(--color-bg-card);
  border-color: var(--color-accent);
  outline: 2px solid var(--accent-ring);
}

.studio .cell-input.num {
  width: 60px;
  text-align: right;
}

.studio .cell-input.out {
  font-weight: 600;
}

.studio .cell-input::placeholder {
  color: var(--color-text-muted);
  font-style: italic;
}

/* Unbound is the common case, so it is marked, not shouted: a muted em dash
   where a condition would be. The loud treatment belongs to `any` — a bound
   input with no condition is the rarer and more consequential state, because
   it makes the rule require a fact it never reads. */
.studio .cell-input.unbound::placeholder {
  color: var(--color-text-muted);
  font-style: normal;
}

.studio .col-input.is-unbound {
  background: var(--accent-softer);
}

.studio .cell-any,
.studio .cell-unbound {
  padding: 0 4px;
  font-family: var(--font-mono);
  font-style: italic;
}

.studio .cell-unbound {
  color: var(--color-warning-strong);
  font-style: normal;
}

.studio .eff {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  white-space: nowrap;
}

.studio .eff.muted {
  color: var(--color-text-muted);
}

.studio .cross-row td {
  padding-top: 0;
  background: var(--accent-softer);
}

.studio .cross-label {
  margin-right: 8px;
  color: var(--color-accent-dark);
  font-size: 0.62rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.studio .cell-input.wide {
  display: inline-block;
  width: auto;
  min-width: 280px;
}

.studio .badge-override,
.studio .badge-defeat {
  display: block;
  color: var(--color-error-strong);
  font-size: 0.6rem;
  font-weight: 600;
}

.studio .badge-defeat {
  display: inline-block;
  margin-left: 7px;
}

.studio .table-actions {
  margin-top: 8px;
}

/* ---------- rule cards ---------- */

.studio .rule-card {
  margin-bottom: 14px;
  padding: 13px 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.studio .rule-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-bottom: 12px;
}

.studio .rule-card .rule-id {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 660;
}

.studio .rule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0 12px;
}

.studio .rule-sub {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}

.studio .rule-sub .text-input {
  width: 100%;
}

.studio .binding-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 100%;
}

.studio .binding {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.72rem;
}

.studio .binding .arrow {
  color: var(--color-text-muted);
}

.studio .conclusion {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  font-size: 0.76rem;
}

.studio .overrides {
  margin: 6px 0 0;
  font-size: 0.72rem;
}

/* ---------- source and DMN ---------- */

.studio .source-editor {
  width: 100%;
  min-height: 460px;
  padding: 11px 12px;
  color: var(--color-document-text);
  background: var(--document-inset);
  border: 1px solid var(--color-border);
  border-radius: 11px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.55;
  resize: vertical;
  tab-size: 2;
}

.studio .example-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}

.studio .dmn-result {
  margin-top: 12px;
}

.studio .pre {
  margin: 6px 0;
  padding: 8px 10px;
  color: var(--color-document-text);
  background: var(--document-inset);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.studio .pre.scroll {
  max-height: 340px;
  overflow: auto;
  white-space: pre;
}

.studio .pre.diff {
  white-space: pre;
}

/* ---------- verify rail ---------- */

.studio .verify-section {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.studio .verify-section:last-child {
  border-bottom: none;
}

.studio .verify-section .section-heading {
  margin-bottom: 9px;
}

.studio .verify-section .section-heading p {
  margin: 2px 0 0;
  color: var(--color-text-muted);
  font-size: 0.68rem;
}

.studio .verdict-card {
  margin: 8px 0;
  padding: 10px 11px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

.studio .verdict-card.good {
  background: var(--success-soft);
  border-color: var(--success-border);
}

.studio .verdict-card.bad {
  background: var(--error-soft);
  border-color: var(--error-border);
}

.studio .verdict-card.warn {
  background: var(--warning-soft);
  border-color: var(--warning-border);
}

.studio .verdict-title {
  font-size: 0.85rem;
  font-weight: 650;
}

.studio .result-line {
  margin: 8px 0 6px;
  font-size: 0.78rem;
  font-weight: 600;
}

.studio .result-line.good { color: var(--color-success-strong); }
.studio .result-line.bad { color: var(--color-error-strong); }
.studio .result-line.warn { color: var(--color-warning-strong); }

.studio .case-row {
  display: flex;
  gap: 8px;
  margin: 5px 0;
  padding: 7px 9px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 9px;
  font-size: 0.73rem;
}

.studio .case-row.good { border-color: var(--success-border); }
.studio .case-row.bad { border-color: var(--error-border); background: var(--error-soft); }
.studio .case-row.warn { border-color: var(--warning-border); background: var(--warning-soft); }

.studio .case-mark {
  flex: 0 0 auto;
  font-weight: 700;
}

.studio .case-row.good .case-mark { color: var(--color-success-strong); }
.studio .case-row.bad .case-mark { color: var(--color-error-strong); }
.studio .case-row.warn .case-mark { color: var(--color-warning-strong); }

.studio .case-name {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.studio .witness {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.studio .input-row {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 4px 0;
}

.studio .input-attr {
  flex: 0 0 34%;
  font-size: 0.68rem;
  overflow-wrap: anywhere;
}

.studio .fired-row {
  margin: 3px 0;
  font-size: 0.72rem;
}

.studio .fired-row code {
  font-size: 0.7rem;
  font-weight: 600;
}

/* ---------- modal ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgb(11 15 26 / 0.42);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  width: min(560px, 100%);
  max-height: 86vh;
  overflow: auto;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
}

.modal-head h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 640;
}

.modal-body {
  padding: 16px 18px;
}

.modal .icon-btn {
  font-size: 1.2rem;
}

@media (max-width: 1180px) {
  .studio #studio {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.7fr);
  }

  .studio #pack-pane {
    grid-column: 1 / -1;
  }

  .studio .pack-list {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .studio .pack-card {
    flex: 1 1 210px;
  }
}