/* ============================================================================
   Simulation panel — adapted from
   ~/claude/design-templates/patterns/07-research/concept-explainer.md
   Score-against-best-practice variant.
   ============================================================================ */

.sim {
  border: var(--border);
  border-radius: var(--radius-panel);
  background: var(--white);
  padding: 24px 26px 22px;
  margin-top: 28px;
}
.sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
@media (max-width: 760px) {
  .sim-grid { grid-template-columns: 1fr; }
}

.sim h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: -0.005em;
  margin-bottom: 6px;
}
.sim .sim-sub {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin-bottom: 18px;
}

/* parameter rows */
.sim-params { display: grid; gap: 14px; }
.param-row {
  display: grid;
  grid-template-columns: 110px 1fr 56px;
  gap: 12px;
  align-items: center;
}
.param-row label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-500);
}
.param-row input[type="range"] {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  width: 100%;
  height: 4px;
  background: var(--gray-300);
  border-radius: 999px;
  outline: none;
  accent-color: var(--clay);
}
.param-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
          appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--clay);
  cursor: pointer;
  border: 2px solid var(--white);
  box-shadow: 0 0 0 1px var(--clay);
}
.param-row input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--clay);
  cursor: pointer;
  border: 2px solid var(--white);
  box-shadow: 0 0 0 1px var(--clay);
}
.param-row .val {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--slate);
  text-align: right;
}

/* action buttons */
.sim-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.sim-actions button {
  font-family: var(--mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--gray-150);
  color: var(--slate);
  border: 1.5px solid var(--gray-300);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}
.sim-actions button:hover { background: var(--oat); }
.sim-actions button[aria-pressed="true"] {
  background: var(--clay);
  border-color: var(--clay);
  color: #fff;
}
.sim-actions button:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 2px;
}

/* readout */
.sim-readout {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--gray-300);
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--gray-700);
  line-height: 1.7;
}
.sim-readout .badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-right: 6px;
  background: var(--gray-150);
  color: var(--slate);
}
.sim-readout .badge.sev-1 { background: var(--rust); color: #fff; }
.sim-readout .badge.sev-2 { background: var(--clay); color: #fff; }
.sim-readout .badge.sev-3 { background: var(--oat);  color: var(--slate); }
.sim-readout .badge.sev-4 { background: var(--gray-150); color: var(--gray-700); }

.sim-readout .score-line {
  font-size: 14.5px;
  color: var(--slate);
  margin-bottom: 10px;
}
.sim-readout .score-line .moved {
  font-weight: 600;
  color: var(--clay);
}

/* violation list */
.violations {
  list-style: none;
  display: grid;
  gap: 8px;
  margin-top: 6px;
}
.violations li {
  background: rgba(176,74,63,0.07);
  border-left: 3px solid var(--rust);
  padding: 10px 12px;
  border-radius: var(--radius-row);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--gray-700);
  line-height: 1.5;
}
.violations li strong {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--rust);
  display: block;
  margin-bottom: 3px;
}
.violations li.ok {
  background: rgba(120,140,93,0.10);
  border-left-color: var(--olive);
}
.violations li.ok strong { color: var(--olive); }

/* reset row */
.sim-reset {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
}
.sim-reset button {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: transparent;
  border: 1.5px solid var(--gray-300);
  color: var(--gray-700);
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
}
.sim-reset button:hover { border-color: var(--clay); color: var(--clay); }