/* Panel inset ampliado */

.topic-panel {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  justify-content: flex-end;
  pointer-events: none;
}

.topic-panel:not([hidden]) {
  pointer-events: auto;
}

.panel-backdrop {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--ink) 22%, transparent);
  opacity: 0;
  transition: opacity var(--motion-base) var(--ease-out);
}

.topic-panel.is-open .panel-backdrop {
  opacity: 1;
}

.panel-drawer {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(420px, 92vw);
  max-width: 100%;
  height: 100%;
  background: var(--bg-sheet);
  border-left: 4px solid var(--rule-strong);
  box-shadow: -8px 0 32px color-mix(in srgb, var(--ink) 12%, transparent);
  transform: translateX(100%);
  transition: transform var(--motion-base) var(--ease-out);
  outline: none;
}

.topic-panel.is-open .panel-drawer {
  transform: translateX(0);
}

.panel-header {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-3);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}

.panel-index {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1;
  color: var(--rule);
  position: relative;
  z-index: 1;
}

.panel-heading {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.panel-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-1);
  line-height: 1.25;
}

.panel-summary {
  font-size: 0.875rem;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.45;
}

.panel-close {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--ink-muted);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    color var(--motion-fast) var(--ease-out),
    border-color var(--motion-fast) var(--ease-out),
    background var(--motion-fast) var(--ease-out);
}

.panel-close:hover {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--bg-paper);
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3);
}

.panel-footer {
  padding: var(--space-3);
  border-top: 1px solid var(--rule);
}

.panel-footer .btn-primary {
  width: 100%;
}

/* Manifiesto dentro del panel */
.panel-body .topic-manifest {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.panel-body .manifest-heading {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 var(--space-2);
}

.panel-body .manifest-group-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: var(--space-2) 0 var(--space-1);
}

.panel-body .manifest-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.panel-body .manifest-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-2);
  align-items: center;
  padding: 8px 0;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  font-size: 0.875rem;
}

.panel-body .manifest-link:hover {
  color: var(--action);
}

.panel-body .manifest-code {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

.panel-body .manifest-desc {
  font-size: 0.8125rem;
  color: var(--ink-muted);
  margin: 4px 0 0;
  padding-left: 2.5rem;
}

.panel-body .manifest-empty {
  font-size: 0.875rem;
  color: var(--ink-muted);
  font-style: italic;
}

.panel-body .connection-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}