.sim-hero {
  padding-bottom: var(--space-5);
}

.sim-hero-grid {
  display: grid;
  gap: var(--space-4);
}

.sim-hero-card {
  align-self: start;
}

.sim-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.sim-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.9rem;
}

.sim-section {
  padding-top: 0;
}

.sim-workspace {
  display: grid;
  gap: var(--space-4);
}

.sim-sidebar,
.sim-main {
  display: grid;
  gap: var(--space-4);
}

.sim-card,
.sim-summary-card,
.sim-tabs-card,
.sim-teaching-card {
  overflow: hidden;
}

.sim-card-head,
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.sim-card-head h2,
.panel-head h3 {
  margin: 0;
}

.sim-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.form-stack {
  display: grid;
  gap: var(--space-3);
}

.field-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.field input,
.field select {
  width: 100%;
  min-height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #18223d;
  color: var(--text);
  padding: 0.75rem 0.9rem;
  outline: none;
}

.field input:focus,
.field select:focus {
  border-color: var(--accent);
}

.field select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  color-scheme: dark;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) calc(50% - 3px),
    calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.5rem;
}

.field select option {
  background: #18223d;
  color: #f5f7fb;
}

.sim-button-row .button {
  flex: 1 1 180px;
}

.sim-note {
  margin-top: var(--space-3);
}

.sim-summary-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sim-summary-item {
  display: grid;
  gap: 0.3rem;
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.025);
}

.sim-summary-label,
.panel-eyebrow,
.mini-label {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tablist {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.tab {
  min-height: 42px;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tab:hover {
  color: var(--text);
}

.tab.is-active {
  color: #11180c;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 700;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.sim-panel-grid {
  display: grid;
  gap: var(--space-4);
  min-width: 0;
}

.sim-panel-grid-single {
  grid-template-columns: 1fr;
}

.sim-plot-card {
  display: grid;
  gap: var(--space-3);
  min-width: 0;
}

.chart-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.chart-toolbar-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.chart-tool-button {
  min-height: 38px;
  padding: 0.55rem 0.9rem;
}

.chart-zoom-label {
  font-size: 0.92rem;
}

.plot-placeholder {
  min-height: 520px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  background:
    linear-gradient(180deg, rgba(166, 206, 99, 0.04), rgba(255,255,255,0.02)),
    rgba(255,255,255,0.015);
  display: block;
  padding: 1rem;
}

.plot-placeholder-inner {
  width: 100%;
  min-height: 460px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.06);
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  padding: 1rem;
  overflow: auto;
}

.preview-chart-wrap {
  width: 100%;
  display: grid;
  gap: 0.75rem;
}

.preview-chart-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}

.preview-svg-stage {
  width: 100%;
  overflow: auto;
  border-radius: 14px;
}

.preview-svg {
  display: block;
  border-radius: 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.04);
}

.preview-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}

.preview-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.preview-line-chip {
  width: 22px;
  height: 0;
  border-top: 3px solid currentColor;
  display: inline-block;
}

.preview-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 18px;
  margin-top: 1rem;
  width: 100%;
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.preview-table th,
.preview-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.preview-table thead th {
  color: var(--muted);
  font-weight: 600;
  background: rgba(255,255,255,0.025);
}

.preview-table tbody tr:last-child td {
  border-bottom: 0;
}

.sim-side-metrics,
.control-notes {
  display: grid;
  gap: var(--space-3);
}

.mini-card {
  display: grid;
  gap: 0.45rem;
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.025);
}

.steady-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 18px;
}

.steady-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

.steady-table th,
.steady-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.steady-table thead th {
  color: var(--muted);
  font-weight: 600;
  background: rgba(255,255,255,0.025);
}

.steady-table tbody tr:last-child td {
  border-bottom: 0;
}

.sim-goals-grid {
  gap: var(--space-3);
}

/* Dinámica temporal: gráfica y tablas a ancho completo, métricas abajo */
#tab-dynamics .sim-panel-grid {
  grid-template-columns: 1fr;
}

#tab-dynamics .sim-side-metrics {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 900px) {
  .sim-hero-grid {
    grid-template-columns: 1.3fr 0.9fr;
    align-items: start;
  }

  .sim-workspace {
    grid-template-columns: 360px minmax(0, 1fr);
    align-items: start;
  }

  .sim-sidebar {
    position: sticky;
    top: 96px;
  }

  .sim-panel-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.7fr);
    align-items: start;
  }

  .sim-goals-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #tab-dynamics .sim-panel-grid {
    grid-template-columns: 1fr;
  }

  #tab-dynamics .sim-side-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
/* Ensanchar específicamente la página de simulación */
.sim-section .shell {
  width: min(100% - 2rem, 1380px);
}

/* Dar más aire al área principal y reducir un poco el panel lateral */
@media (min-width: 900px) {
  .sim-workspace {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
  }
}
.sim-section .shell {
  width: min(100% - 2rem, 1380px);
}

@media (min-width: 900px) {
  .sim-workspace {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
  }
}

.phase-note {
  margin-top: 0.85rem;
}

.preview-point-chip {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: currentColor;
  display: inline-block;
}