/* Shared help modal and icon-cloak animation states. */
.help-modal {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.help-modal[hidden] {
  display: none;
}

.help-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(19, 26, 39, 0.42);
}

.help-modal-dialog {
  position: relative;
  width: min(640px, 96vw);
  max-height: min(84vh, 760px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  box-shadow: var(--ui-dropdown-panel-shadow);
  padding: 14px;
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  transition: opacity 180ms ease, transform 180ms ease;
}

.help-modal.is-open .help-modal-dialog {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.help-modal-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.help-modal--dialog .help-modal-icon {
  display: none;
}

.help-modal-icon {
  width: 44px;
  height: 44px;
  overflow: hidden;
  flex: 0 0 auto;
}

.help-modal-icon.is-cloak {
  opacity: 0;
}

.app-home-logo-link.is-cloak {
  opacity: 0;
}

.helper-icon.is-cloak {
  color: transparent;
}

.app-home-logo-link.is-cloak .app-home-logo-image,
.app-home-logo-link.is-cloak .app-home-logo-fallback {
  opacity: 0;
}

.helper-icon.is-cloak .helper-icon-image {
  opacity: 0;
}

.help-modal-title {
  margin: 0;
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  flex: 1 1 auto;
}

.help-modal-close {
  width: var(--ui-control-height-default);
  height: var(--ui-control-height-default);
  min-height: var(--ui-control-height-default);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--text);
  font-size: 1.35rem;
  line-height: 1;
  padding: 0;
  cursor: pointer;
}

.help-modal-body {
  margin-top: 10px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.help-modal-body h1,
.help-modal-body h2,
.help-modal-body h3 {
  margin: 0 0 8px;
  color: var(--color-primary-dark);
}

.help-modal-body p {
  margin: 0 0 8px;
  color: var(--text);
}

.help-modal-body ul {
  margin: 0 0 10px 20px;
  padding: 0;
}

.help-modal-body li {
  margin: 0 0 6px;
}

.help-modal-body code {
  background: #eef2f7;
  border: 1px solid #d8e0ea;
  border-radius: 6px;
  padding: 0 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

.help-modal-body .help-modal-image {
  display: block;
  max-width: min(100%, 360px);
  width: auto;
  height: auto;
  margin: 6px 0 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.help-modal-actions {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.help-modal-actions[hidden] {
  display: none;
}

.help-modal-action {
  min-height: var(--ui-control-height-default);
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.help-modal-action--primary {
  background: var(--helper-accent);
  border-color: var(--helper-accent);
  color: #fff;
}

.help-modal-action--soft {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--text);
}

.help-modal-action--danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.help-modal-action--link {
  background: transparent;
  border-color: transparent;
  color: var(--helper-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  padding-left: 4px;
  padding-right: 4px;
}

.help-modal-action:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.help-modal-action:hover {
  filter: brightness(0.97);
}

.help-icon-ghost {
  position: fixed;
  z-index: 110;
  pointer-events: none;
  margin: 0;
  transform-origin: top left;
  transition: transform var(--help-icon-animate-duration) cubic-bezier(0.2, 0.8, 0.2, 1), opacity 220ms ease;
}