/* The guide is an independent layer; existing notebook forms keep their layout. */
.nb-help-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 34px;
  min-height: 34px;
  min-width: 34px;
  padding: 4px;
  border-color: transparent;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 700;
}
.nb-help-toggle:hover,
.nb-help-toggle[aria-expanded="true"] {
  color: var(--accent-blue);
  border-color: var(--border-color);
}
.nb-header nav {
  gap: 16px;
}
.nb-dialog-top #dialog-help {
  margin-left: auto;
  margin-right: 8px;
}
#notebook-guide {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  max-width: none;
  max-height: none;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  overflow: visible;
  pointer-events: none;
  z-index: 10000;
}
#notebook-guide::backdrop {
  background: transparent;
  pointer-events: none;
}
#notebook-guide[hidden] {
  display: none !important;
}
.nb-guide-ring {
  position: fixed;
  border: 2px solid var(--accent-yellow);
  border-radius: 10px;
  box-shadow: 0 0 0 4px #fdd66320;
  pointer-events: none;
}
.nb-guide-card {
  position: fixed;
  box-sizing: border-box;
  width: 350px;
  overflow-y: auto;
  overscroll-behavior: contain;
  pointer-events: auto;
  background: #212326;
  border: 1px solid var(--accent-blue);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 14px 45px #0009;
  font:
    13px/1.6 Poppins,
    sans-serif;
  isolation: isolate;
}
.nb-guide-card h2 {
  font-size: 19px;
  line-height: 1.35;
  color: var(--accent-yellow);
  margin: 4px 0 12px;
}
.nb-guide-card h2:focus {
  outline: none;
}
.nb-guide-card p {
  color: var(--text-primary);
  margin: 0 0 16px;
}
.nb-guide-heading {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #212326;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  justify-content: space-between;
}
.nb-guide-heading .nb-guide-caption {
  color: var(--accent-purple);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin: 0 0 8px;
  padding-top: 5px;
}
.nb-guide-card #guide-close {
  min-height: 30px;
  min-width: 30px;
  padding: 0;
  background: transparent;
  border-color: transparent;
  font-size: 24px;
  line-height: 1;
  flex-shrink: 0;
}
.nb-guide-card button {
  font-size: 12px;
  line-height: 1.4;
  min-height: 38px;
  padding: 8px 12px;
}
.nb-guide-card #guide-start,
.nb-guide-card #guide-next {
  background: var(--accent-blue);
  color: var(--bg-dark);
  border-color: var(--accent-blue);
  font-weight: 700;
}
.nb-guide-card #guide-start {
  width: 100%;
  margin: 2px 0 8px;
}
.nb-guide-card .nb-guide-menu {
  display: grid;
  gap: 7px;
}
.nb-guide-menu button {
  text-align: left;
  background: var(--bg-light);
}
.nb-guide-card .nb-guide-note {
  color: var(--text-secondary);
  font-size: 11px;
}
.nb-guide-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
}
.nb-guide-card #guide-topics,
.nb-guide-card #guide-focus {
  border-color: transparent;
  background: transparent;
  color: var(--accent-blue);
  padding: 6px 0;
  min-height: 32px;
  margin: 8px 14px 0 0;
}
@media (max-width: 720px) {
  .nb-header nav a[href="planos.html"] {
    display: none;
  }
  .nb-header {
    gap: 8px;
  }
  .nb-header nav {
    gap: 8px;
  }
  .nb-header .nb-logo {
    gap: 6px;
    font-size: clamp(14px, 4.5vw, 18px);
  }
  .nb-guide-card {
    width: 340px;
    padding: 15px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .nb-guide-card *,
  .nb-help-toggle {
    transition: none !important;
  }
}