.tool-hero {
  padding-block: 58px 42px;
  border-bottom: 1px solid var(--border);
}

.tool-disclaimer,
.tool-warning,
.simulator-note {
  color: var(--muted);
}

.tool-disclaimer {
  max-width: 760px;
  margin: 0;
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: var(--accent-surface);
}

.tool-prerequisite {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--muted);
}

.tool-prerequisite strong {
  color: var(--text);
}

.tool-section {
  padding-block: 46px;
  border-bottom: 1px solid var(--border);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin-bottom: 0;
}

.simulator {
  padding: clamp(18px, 4vw, 32px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.simulator-progress {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 28px;
}

.simulator-progress span {
  padding: 8px 10px;
  border-bottom: 2px solid var(--border);
  color: var(--faint);
  font-size: 0.78rem;
  font-weight: 750;
}

.simulator-progress span[data-active="true"] {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.simulator-stage {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: clamp(24px, 6vw, 70px);
}

.simulated-device {
  width: min(100%, 260px);
  margin-inline: auto;
  padding: 12px;
  border: 4px solid var(--border-strong);
  border-radius: 28px;
  background: #080b0e;
  box-shadow: 0 18px 40px rgb(0 0 0 / 24%);
}

.simulated-device.help-capture-frame {
  width: min(100%, 560px);
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  background: #fff;
  overflow: hidden;
}

.simulated-device.app-capture-frame {
  width: min(100%, 286px);
  padding: 0;
  border: 4px solid var(--border-strong);
  border-radius: 32px;
  background: #080b0e;
  overflow: hidden;
}

.help-capture-content,
.app-capture-content {
  margin: 0;
  background: #fff;
}

.help-capture-content img,
.app-capture-content img {
  display: block;
  width: 100%;
  height: auto;
}

.help-capture-content figcaption,
.app-capture-content figcaption {
  padding: 10px 12px;
  background: #172028;
  color: #fff;
  font-size: 0.72rem;
  line-height: 1.35;
}

.help-capture-content figcaption a,
.app-capture-content figcaption a {
  color: #b9f4ec;
}

.simulated-screen {
  min-height: 390px;
  padding: 20px 16px;
  border-radius: 18px;
  background: #f8fafb;
  color: #172028;
}

.simulated-screen h3 {
  margin-bottom: 20px;
  color: #172028;
  font-size: 1.02rem;
}

.simulated-screen p {
  color: #52616d;
  font-size: 0.83rem;
}

.simulated-row,
.simulated-button {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  padding: 9px 10px;
  border: 1px solid #d3dbe1;
  border-radius: 7px;
  background: #fff;
  color: #172028;
  font-size: 0.82rem;
  font-weight: 700;
}

.simulated-button {
  justify-content: center;
  border-color: #087d72;
  background: #087d72;
  color: #fff;
}

.simulator-copy h3 {
  margin-bottom: 10px;
  font-size: clamp(1.2rem, 3vw, 1.75rem);
}

.simulator-copy p {
  max-width: 600px;
  color: var(--muted);
}

.simulator-copy ul {
  margin: 0 0 24px;
  padding-left: 20px;
  color: var(--muted);
}

.simulator-copy li + li {
  margin-top: 7px;
}

.simulator-action {
  min-height: 42px;
  padding: 9px 15px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 800;
  cursor: pointer;
}

.simulator-action:hover {
  background: var(--accent-strong);
}

.qr-placeholder {
  display: grid;
  width: 176px;
  height: 176px;
  margin: 28px auto;
  place-items: center;
  border: 12px solid #fff;
  outline: 1px solid #d3dbe1;
  background:
    linear-gradient(90deg, #172028 10%, transparent 10% 20%, #172028 20% 30%, transparent 30% 40%, #172028 40% 50%, transparent 50% 60%, #172028 60% 70%, transparent 70% 80%, #172028 80% 90%, transparent 90%),
    linear-gradient(#172028 10%, transparent 10% 20%, #172028 20% 30%, transparent 30% 40%, #172028 40% 50%, transparent 50% 60%, #172028 60% 70%, transparent 70% 80%, #172028 80% 90%, transparent 90%);
}

.qr-placeholder span {
  padding: 5px;
  background: #fff;
  color: #172028;
  font-size: 0.68rem;
  font-weight: 800;
  text-align: center;
}

.converter-section p,
.handoff-section p {
  max-width: 800px;
}

.tool-warning {
  margin-block: 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--warning);
  background: var(--warning-surface);
}

.tool-warning strong {
  display: block;
  margin-bottom: 4px;
  color: var(--warning);
}

.file-picker {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 12px;
  padding: 9px 15px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 800;
  cursor: pointer;
}

.file-picker input {
  max-width: 190px;
  color: var(--accent-contrast);
}

.field-help {
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 0.86rem;
}

.tool-status {
  margin-block: 20px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
}

.tool-status[data-status="success"] {
  border-color: var(--success);
  color: var(--success);
}

.tool-status[data-status="error"] {
  border-color: var(--danger);
  color: var(--danger);
}

.results {
  display: grid;
  gap: 14px;
}

.result-card {
  padding: 20px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.result-card h3 {
  margin-bottom: 16px;
  color: var(--text);
  font-size: 1rem;
}

.secret-label {
  display: block;
  margin-bottom: 6px;
  color: var(--faint);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.secret-row {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.secret-row input {
  min-width: 0;
  flex: 1;
  padding: 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-raised);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.copy-button {
  flex: 0 0 auto;
  padding: 8px 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-raised);
  color: var(--text);
  font-weight: 750;
  cursor: pointer;
}

.copy-button:hover {
  border-color: var(--accent);
}

.handoff-steps {
  max-width: 760px;
  margin: 0;
  padding-left: 22px;
}

.handoff-steps li + li {
  margin-top: 8px;
}

.tool-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 24px;
}

@media (max-width: 720px) {
  .section-heading,
  .simulator-stage {
    display: block;
  }

  .simulator-note {
    margin-top: 12px;
  }

  .simulated-device {
    margin-bottom: 26px;
  }

  .simulated-device.help-capture-frame {
    width: 100%;
  }

  .simulator-progress {
    grid-template-columns: repeat(2, 1fr);
  }

  .secret-row {
    display: grid;
  }

  .file-picker {
    display: grid;
    justify-items: start;
  }
}