.tool-shell {
  --intro-accent: #e75445;
  --intro-accent-dark: #b83f34;
}
.tool-shell .site-header .header-inner { min-height: 4rem; }
.tool-shell .site-nav { display: flex; align-items: center; gap: 1rem; }
.tool-shell .site-nav a { color: #4d5962; font-size: .84rem; font-weight: 700; text-underline-offset: .2em; }
.tool-shell .tool-intro__hero { padding-block: clamp(1.15rem, 2.1vw, 1.8rem); }
.tool-shell .tool-intro__copy h1 { margin-bottom: .4rem; font-size: clamp(1.8rem, 3.1vw, 2.65rem); }
.tool-shell .tool-intro__lead { font-size: .96rem; }
.tool-shell .tool-intro__hint { margin-top: .35rem; }
.tool-shell .tool-intro__related { padding-block: .4rem; gap: .25rem .9rem; }
.tool-shell .tool-intro__related a { min-height: 44px; display: inline-flex; align-items: center; }
.tool-shell [id] { scroll-margin-top: 5.5rem; }
.tool-shell__workspace { padding-block: 1rem; }
.tool-shell__start {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  margin-top: .7rem;
  padding: .65rem 1.15rem;
  border: 0;
  border-radius: .7rem;
  color: white;
  background: var(--intro-accent-dark);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}
.tool-shell__start:hover { background: var(--intro-accent); }
.tool-shell__start:focus-visible { outline: 3px solid var(--intro-accent); outline-offset: 3px; }
.tool-shell--workspace-open main > :not(.tool-shell__workspace) { display: none !important; }
.tool-shell--workspace-open .site-header,
.tool-shell--workspace-open .site-footer,
.tool-shell--workspace-open .skip-link { display: none !important; }
.tool-shell--workspace-open .tool-shell__workspace { min-height: calc(100vh - 4rem); }
.tool-shell--workspace-open .tool-shell__embed:not(.tool-embed--active) { display: flex; min-height: 12rem; align-items: center; }
.tool-shell--workspace-open .tool-shell__embed:not(.tool-embed--active) .tool-intro__embed-copy { display: none; }
.tool-shell--workspace-open .tool-shell__embed:not(.tool-embed--active) .tool-intro__embed-status { display: block; }
.tool-shell__embed { gap: .45rem; padding: clamp(.8rem, 1.7vw, 1.25rem); }
.tool-shell__embed.tool-embed--expanded { gap: 0; margin: 0; padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px); }
.tool-shell__embed.tool-embed--expanded [data-embed-stage] { min-width: 0; min-height: 0; width: 100%; }
.tool-shell__embed .tool-intro__embed-copy h2 { font-size: 1.25rem; }
.tool-shell__embed .tool-intro__embed-copy p:last-child { margin-top: .2rem; }
.tool-shell .tool-intro__how-to,
.tool-shell .tool-intro__formats,
.tool-shell .tool-intro__faq { padding-block: clamp(1.4rem, 2.6vw, 2.2rem); }
.tool-shell .tool-intro__section-head { margin-bottom: .75rem; }
.tool-shell .tool-intro__section-head h2 { font-size: clamp(1.25rem, 2.2vw, 1.7rem); }
.tool-shell .tool-intro__steps { gap: .55rem; }
.tool-shell .tool-intro__steps li { padding: .8rem; }
.tool-shell .tool-intro__steps h3 { font-size: .88rem; }
.tool-shell .tool-intro__steps p,
.tool-shell .tool-intro__formats > p { font-size: .8rem; }
.tool-shell .tool-intro__faq summary { padding-block: .7rem; font-size: .86rem; }
.tool-shell .tool-intro__faq details p { font-size: .82rem; }
.tool-shell--camera { --intro-accent: #315fd0; --intro-accent-dark: #2447a2; }
.tool-shell--camera .tool-intro__hero { background: linear-gradient(115deg, #e9effa 0%, #f7f8f6 58%, #f6f0e8 100%); }
.tool-shell--audio { --intro-accent: #7450a8; --intro-accent-dark: #53347f; }
.tool-shell--audio .tool-intro__hero { background: linear-gradient(115deg, #f0eafa 0%, #f7f8f6 58%, #f6f0e8 100%); }
.tool-shell .site-footer { margin-top: 0; }

@media (max-width: 720px) {
  .tool-shell .site-header .header-inner { min-height: 3.7rem; }
  .tool-shell .site-nav { gap: .7rem; }
  .tool-shell .site-nav a { font-size: .75rem; }
  .tool-shell .tool-intro__hero { padding-block: 1rem 1.1rem; }
  .tool-shell .tool-intro__copy h1 { font-size: clamp(1.65rem, 7vw, 2.25rem); }
  .tool-shell .tool-intro__lead { font-size: .89rem; }
  .tool-shell__workspace { padding-block: .75rem; }
  .tool-shell__start { width: 100%; }
  .tool-shell__embed { padding: .75rem; border-radius: .75rem; }
  .tool-shell .tool-intro__steps { grid-template-columns: minmax(0, 1fr); }
  .tool-shell .tool-intro__steps li { grid-template-columns: 1.8rem minmax(0, 1fr); gap: .55rem; }
  .tool-shell .tool-intro__steps li > span { width: 1.8rem; height: 1.8rem; }
}

@media (max-width: 380px) {
  .tool-shell .site-nav { gap: .45rem; }
  .tool-shell .site-nav a { font-size: .7rem; }
}