/* ================================================================
   POLICY SIMULATOR — Phase 3 styles
   ================================================================ */

/* ── Simulator mode grid layout ── */
/* In sim-mode: left col = sim-wrap, right col = node canvas */
.creator-main.sim-mode {
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
}
.creator-main.sim-mode .creator-node-area {
  display: block;
  grid-column: 2;
  grid-row: 1;
}
.creator-main.sim-mode .creator-sim-wrap {
  grid-column: 1;
  grid-row: 1;
}
.creator-main.sim-mode .creator-right { display: none; }

/* ── Outer wrapper ── */
.sim-wrap {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 0;
  height: calc(100vh - 52px - 46px - 140px);
  min-height: 520px;
  overflow: hidden;
}

/* ── Panel tab bar ── */
.sim-panel-tabs {
  display: flex;
  gap: 2px;
  border-bottom: 2px solid var(--border);
  padding: 0 var(--sp-2);
  background: var(--bg-card);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  flex-shrink: 0;
}
.sim-panel-tab {
  background: none;
  border: none;
  padding: 0.5rem 0.9rem;
  font-size: 0.8125rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}
.sim-panel-tab:hover { color: var(--text-primary); }
.sim-panel-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Content area ── */
.sim-content {
  flex: 1 1 0;
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: var(--sp-4);
}

/* ── Evaluate panel ── */
.sim-evaluate-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

/* ── Mode toggle ── */
.sim-mode-toggle {
  display: flex;
  gap: 2px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2px;
  width: fit-content;
  margin-bottom: var(--sp-3);
}
.sim-mode-btn {
  background: none;
  border: none;
  padding: 0.3rem 0.8rem;
  font-size: 0.8125rem;
  font-family: inherit;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: calc(var(--radius) - 2px);
  transition: background 0.15s, color 0.15s;
}
.sim-mode-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* ── Error bar ── */
.sim-error {
  padding: var(--sp-2) var(--sp-3);
  background: var(--danger-bg, rgba(220,53,69,.1));
  color: var(--danger, #dc3545);
  border: 1px solid var(--danger, #dc3545);
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: var(--sp-3);
}

/* ── Simple form ── */
.sim-simple-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.sim-field-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.sim-label {
  flex: 0 0 140px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: right;
}
.sim-input {
  flex: 1;
  padding: 0.375rem 0.6rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  min-width: 0;
  transition: border-color 0.15s;
}
.sim-input:focus {
  outline: none;
  border-color: var(--accent);
}
.sim-select {
  padding: 0.375rem 0.6rem;
  font-size: 0.8125rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
}
.sim-select:focus { outline: none; border-color: var(--accent); }

/* ── Standard field row with attrId select ── */
.sim-field-input-wrap {
  flex: 1;
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  min-width: 0;
}
.sim-field-atrid-sel {
  flex: 0 0 150px;
}

/* ── Extra attributes ── */
.sim-extra-attrs {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding-left: 155px; /* align with inputs */
}
.sim-extra-attr {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-start;
}
.sim-extra-attr .sim-select        { flex: 0 0 110px; margin-top: 2px; }
.sim-extra-attr .sim-atrid-wrap    { flex: 0 0 160px; display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.sim-extra-attr .sim-extra-atrid-sel { flex: none; width: 100%; }
.sim-extra-attr .sim-extra-atrid   { width: 100%; box-sizing: border-box; font-size: 0.875rem; }
.sim-extra-attr .sim-extra-val     { flex: 1; margin-top: 2px; }
.sim-extra-attr .sim-extra-del     { margin-top: 4px; }
.sim-extra-del {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem 0.45rem;
  font-size: 0.75rem;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.sim-extra-del:hover { background: var(--danger-bg, rgba(220,53,69,.12)); color: var(--danger, #dc3545); }

.sim-add-attr-btn {
  margin-left: 155px;
  background: none;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.3rem 0.7rem;
  font-size: 0.8125rem;
  font-family: inherit;
  transition: background 0.15s, color 0.15s;
  align-self: flex-start;
}
.sim-add-attr-btn:hover { background: var(--bg-secondary); color: var(--accent); border-color: var(--accent); }

/* ── XML form ── */
.sim-xml-form { display: flex; flex-direction: column; gap: var(--sp-2); }
.sim-xml-form .sim-label { flex: 0 0 auto; text-align: left; }
.sim-xml-input {
  width: 100%;
  min-height: 180px;
  padding: var(--sp-3);
  font-size: 0.8125rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  resize: vertical;
  box-sizing: border-box;
  line-height: 1.5;
}
.sim-xml-input:focus { outline: none; border-color: var(--accent); }

/* ── Action row ── */
.sim-actions-row {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
  padding-top: var(--sp-2);
  border-top: 1px solid var(--border);
  margin-top: var(--sp-1);
}
.sim-run-btn {
  padding: 0.45rem 1.1rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s;
}
.sim-run-btn:hover { opacity: 0.88; }
.sim-save-test-btn {
  padding: 0.4rem 0.8rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-family: inherit;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.sim-save-test-btn:hover { background: var(--bg-secondary); color: var(--accent); border-color: var(--accent); }

/* ── Result placeholder ── */
.sim-result-placeholder {
  color: var(--text-muted);
  font-size: 0.875rem;
  text-align: center;
  padding: var(--sp-6) var(--sp-4);
}

/* ── Result banner ── */
.sim-result-wrap { display: flex; flex-direction: column; gap: var(--sp-4); }

.sim-result-banner {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 700;
  border: 2px solid transparent;
}
.sim-result-banner--permit {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.5);
  color: var(--permit-color, #16a34a);
}
.sim-result-banner--deny {
  background: rgba(220, 53, 69, 0.1);
  border-color: rgba(220, 53, 69, 0.4);
  color: var(--deny-color, #dc3545);
}
.sim-result-banner--na {
  background: var(--bg-secondary);
  border-color: var(--border);
  color: var(--text-secondary);
}
.sim-result-banner--indet {
  background: rgba(234, 179, 8, 0.12);
  border-color: rgba(234, 179, 8, 0.5);
  color: var(--warn-color, #ca8a04);
}
.sim-result-icon { font-size: 1.4rem; }
.sim-result-label { font-size: 0.9375rem; }

/* ── Trace ── */
.sim-trace { display: flex; flex-direction: column; gap: var(--sp-3); }
.sim-trace-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border);
}
.sim-trace-title { font-weight: 700; font-size: 0.875rem; }
.sim-trace-alg { font-size: 0.8125rem; color: var(--text-secondary); }
.sim-alg-code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  background: var(--bg-secondary);
  padding: 1px 5px;
  border-radius: 3px;
}
.sim-trace-rules { display: flex; flex-direction: column; gap: var(--sp-2); }
.sim-trace-empty { color: var(--text-muted); font-size: 0.875rem; text-align: center; padding: var(--sp-4); }

/* ── Rule trace card ── */
.sim-rule-trace {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-secondary);
}
.sim-rule-trace--permit { border-left: 3px solid rgba(34,197,94,0.6); }
.sim-rule-trace--deny   { border-left: 3px solid rgba(220,53,69,0.6); }
.sim-rule-trace--na     { border-left: 3px solid var(--border); }
.sim-rule-trace--skip   { opacity: 0.55; border-left: 3px solid var(--border); }

.sim-rule-hdr {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  background: var(--bg-card);
  font-size: 0.8125rem;
}
.sim-rule-effect-icon { font-size: 0.875rem; flex-shrink: 0; }
.sim-rule-skip-icon   { font-size: 0.875rem; flex-shrink: 0; }
.sim-rule-name        { font-weight: 600; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sim-rule-id          { font-size: 0.75rem; color: var(--text-muted); font-family: monospace; flex-shrink: 0; }
.sim-rule-decision    { font-size: 0.75rem; font-weight: 700; margin-left: auto; flex-shrink: 0; }
.sim-rule-decision--permit { color: var(--permit-color, #16a34a); }
.sim-rule-decision--deny   { color: var(--deny-color, #dc3545); }
.sim-rule-decision--na     { color: var(--text-muted); }
.sim-rule-decision--skip   { color: var(--text-muted); }

.sim-rule-body {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── Check sections ── */
.sim-check-section {
  padding: var(--sp-2) var(--sp-3);
  border-top: 1px solid var(--border);
}
.sim-check-section:first-child { border-top: none; }
.sim-check-section-hdr {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--sp-2);
}
.sim-check {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 0;
  font-size: 0.8125rem;
  flex-wrap: wrap;
}
.sim-check--match { color: var(--text-primary); }
.sim-check--miss  { color: var(--text-secondary); }
.sim-check-label  { font-weight: 600; }
.sim-check-val, .sim-check-fn, .sim-check-actual {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  background: var(--bg-secondary);
  padding: 1px 4px;
  border-radius: 3px;
  border: 1px solid var(--border);
}
.sim-check-missing { font-size: 0.75rem; color: var(--text-muted); font-style: italic; }

/* ── Match labels ── */
.sim-match-yes  { color: var(--permit-color, #16a34a); font-weight: 600; font-size: 0.75rem; }
.sim-match-no   { color: var(--deny-color, #dc3545);   font-weight: 600; font-size: 0.75rem; }
.sim-match-all  { color: var(--text-secondary);         font-weight: 600; font-size: 0.75rem; }

/* ── History panel ── */
.sim-history-wrap, .sim-tests-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.sim-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 0.875rem;
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border);
}
.sim-tests-actions {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
}
.sim-clear-btn, .sim-run-all-btn, .sim-icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-family: inherit;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem 0.6rem;
  transition: background 0.15s, color 0.15s;
}
.sim-clear-btn:hover    { background: var(--bg-secondary); color: var(--deny-color, #dc3545); border-color: var(--deny-color, #dc3545); }
.sim-run-all-btn:hover  { background: var(--bg-secondary); color: var(--accent); border-color: var(--accent); }
.sim-icon-btn:hover     { background: var(--bg-secondary); color: var(--accent); border-color: var(--accent); }

.sim-history-list, .sim-tests-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.sim-history-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.sim-hist-icon    { font-size: 1rem; flex-shrink: 0; }
.sim-hist-body    { flex: 1; min-width: 0; }
.sim-hist-summary { font-size: 0.8125rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sim-hist-meta    { font-size: 0.75rem; color: var(--text-muted); }
.sim-hist-meta code {
  font-family: monospace;
  font-size: 0.7rem;
  background: var(--bg-card);
  padding: 1px 4px;
  border-radius: 3px;
}
.sim-hist-replay {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.sim-hist-replay:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Tests panel ── */
.sim-test-item {
  padding: var(--sp-2) var(--sp-3);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.sim-test-row {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
}
.sim-test-status {
  font-size: 0.9rem;
  flex-shrink: 0;
  padding-top: 2px;
}
.sim-test-status--pending { color: var(--text-muted); }
.sim-test-status--pass    { color: var(--permit-color, #16a34a); }
.sim-test-status--fail    { color: var(--deny-color, #dc3545); }

.sim-test-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.sim-test-name     { font-size: 0.875rem; font-weight: 600; }
.sim-test-expected { font-size: 0.75rem; color: var(--text-muted); }
.sim-test-actual   { font-size: 0.75rem; }
.sim-test-actual--pass { color: var(--permit-color, #16a34a); }
.sim-test-actual--fail { color: var(--deny-color, #dc3545); }
.sim-test-actual code { font-family: monospace; font-size: 0.7rem; }

.sim-test-del {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  font-size: 0.7rem;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.sim-test-del:hover { background: var(--danger-bg, rgba(220,53,69,.1)); color: var(--danger, #dc3545); border-color: var(--danger, #dc3545); }

/* ── Condition section ── */
.sim-cond-section {
  padding: var(--sp-3) 0 0;
  border-top: 1px solid var(--border);
  margin-top: var(--sp-2);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.sim-cond-header {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-secondary);
}
.sim-cond-hint-small {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
}
.sim-cond-rows {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.sim-cond-row {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
}
.sim-cond-label {
  flex: 0 0 140px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: right;
  padding-top: 0.4rem;
}
.sim-cond-input-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.sim-cond-val {
  /* inherits .sim-input */
}
.sim-cond-check-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.sim-cond-check-hint code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 3px;
  font-size: 0.7rem;
}

/* ── Editing banner ── */
.sim-editing-banner {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: var(--sp-2);
}
.sim-editing-banner > span { flex: 1; }
.sim-edit-cancel-btn {
  background: none;
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: var(--radius);
  color: var(--accent);
  cursor: pointer;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-family: inherit;
  transition: background 0.15s;
  flex-shrink: 0;
}
.sim-edit-cancel-btn:hover { background: rgba(99, 102, 241, 0.15); }

/* ── Test row buttons ── */
.sim-test-btns {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
  align-items: flex-start;
}
.sim-test-edit {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  font-size: 0.7rem;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.sim-test-edit:hover { background: var(--bg-secondary); color: var(--accent); border-color: var(--accent); }

/* ── Empty state ── */
.sim-empty-state {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: var(--sp-6) var(--sp-4);
}

/* ── Node canvas trace highlighting ── */
.ne-trace-permit .ne-node-hdr { background: rgba(34, 197, 94, 0.18) !important; border-bottom-color: rgba(34, 197, 94, 0.5) !important; }
.ne-trace-permit { box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.45) !important; }

.ne-trace-deny .ne-node-hdr   { background: rgba(220, 53, 69, 0.14) !important; border-bottom-color: rgba(220, 53, 69, 0.45) !important; }
.ne-trace-deny   { box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.4) !important; }

.ne-trace-na .ne-node-hdr     { background: var(--bg-secondary) !important; }
.ne-trace-na     { box-shadow: none !important; opacity: 0.55; }

.ne-trace-skip   { opacity: 0.35; }