.demo-shell {
  width: min(100%, 1460px);
  margin: 0 auto;
  padding: 0 clamp(16px, 2.2vw, 38px) 56px;
}

.demo-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.72fr);
  gap: clamp(20px, 3vw, 44px);
  align-items: center;
  padding: clamp(28px, 3vw, 46px) 0 28px;
  border-bottom: 1px solid var(--line);
}

.demo-copy,
.demo-panel,
.demo-log-wrap,
.demo-visual-card {
  border: 1px solid rgba(255, 196, 0, 0.16);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(2, 3, 2, 0.92)),
    rgba(2, 3, 2, 0.52);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 24px 54px rgba(0, 0, 0, 0.18);
}

.demo-copy {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 2vw, 30px);
}

.demo-copy h1,
.panel-heading h2 {
  margin: 0;
  line-height: 0.94;
  letter-spacing: 0;
}

.demo-copy h1 {
  font-size: clamp(42px, 5vw, 78px);
  max-width: 10ch;
}

.demo-copy h1 span,
.panel-heading h2 span,
.output-card strong span {
  color: var(--gold);
}

.demo-lead,
.panel-copy,
.signal-list li p,
.output-card p,
.output-card li,
.control-list li,
.demo-submit-row small,
.demo-export-help {
  color: #c7c5bc;
  line-height: 1.6;
}

.demo-actions,
.demo-meta-row,
.demo-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.demo-actions a,
.demo-run,
.demo-inline-actions a,
.demo-inline-actions button {
  min-height: 46px;
}

.demo-pills,
.demo-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.demo-pills span,
.demo-filter {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(162, 255, 19, 0.18);
  border-radius: 999px;
  color: var(--green);
  background: rgba(7, 10, 6, 0.84);
  font: 700 11.5px/1 ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.demo-filter {
  cursor: pointer;
}

.demo-filter.is-active,
.demo-filter:hover,
.demo-filter:focus-visible {
  outline: none;
  border-color: rgba(255, 212, 81, 0.54);
  color: #f8f0c7;
}

.demo-visual-stage {
  display: grid;
  place-items: center;
}

.demo-visual-card {
  display: grid;
  gap: 16px;
  align-content: center;
  justify-items: center;
  width: min(100%, 420px);
  min-height: 420px;
  padding: 28px;
  background:
    radial-gradient(circle at 50% 44%, rgba(255, 196, 0, 0.18), transparent 32%),
    radial-gradient(circle at 50% 8%, rgba(255, 255, 255, 0.05), transparent 28%),
    #040504;
}

.demo-visual-card img {
  width: min(72%, 260px);
  height: auto;
  object-fit: contain;
  filter: saturate(1.06) contrast(1.04) drop-shadow(0 0 26px rgba(255, 196, 0, 0.14));
}

.demo-visual-card p,
.demo-visual-card small {
  margin: 0;
  color: #b8b7ad;
  text-align: center;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(280px, 0.72fr) minmax(0, 1.02fr);
  gap: 16px;
  margin-top: 22px;
}

.demo-panel,
.demo-log-wrap {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 18px;
}

.panel-heading {
  display: grid;
  gap: 8px;
}

.panel-heading h2 {
  font-size: clamp(24px, 2.2vw, 36px);
}

.task-list,
.source-stack,
.output-stack {
  display: grid;
  gap: 10px;
}

.task-chip {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid rgba(255, 196, 0, 0.18);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(6, 8, 6, 0.86), rgba(3, 5, 3, 0.98));
  color: #dbdad4;
  text-align: left;
  font: 700 14px/1.35 Inter, "Segoe UI", Arial, sans-serif;
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.task-chip:hover,
.task-chip:focus-visible,
.task-chip.is-active {
  border-color: rgba(255, 212, 81, 0.5);
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.2);
  outline: none;
}

.demo-field,
.export-stack {
  display: grid;
  gap: 8px;
}

.demo-field span,
.source-card span,
.output-card span,
.signal-list li span,
.demo-export-help strong {
  color: var(--green);
  font: 700 12px/1 ui-monospace, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.demo-field textarea,
.demo-export {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid rgba(255, 196, 0, 0.18);
  border-radius: 18px;
  background: rgba(5, 7, 5, 0.96);
  color: var(--text);
  font: 400 15px/1.62 Inter, "Segoe UI", Arial, sans-serif;
}

.demo-field textarea {
  min-height: 132px;
  resize: vertical;
}

.demo-export {
  min-height: 196px;
  resize: vertical;
}

.demo-run {
  width: fit-content;
  min-width: 220px;
}

.source-card,
.output-card,
.signal-list li {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid rgba(255, 196, 0, 0.12);
  border-radius: 16px;
  background: rgba(4, 5, 4, 0.82);
}

.source-card strong,
.output-card strong {
  color: #e5dcc0;
  font-size: 16px;
}

.signal-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-list li p {
  margin: 0;
}

.signal-list li strong {
  color: #ece4bc;
}

.preview-steps,
.control-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.preview-steps li,
.control-list li {
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 196, 0, 0.12);
  border-radius: 14px;
  background: rgba(4, 5, 4, 0.74);
}

.preview-steps li span {
  color: var(--green);
  font: 700 11px/1 ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.preview-steps li p,
.output-card p,
.output-card ul {
  margin: 0;
  font-size: 15px;
  line-height: 1.62;
}

.output-card ul {
  padding-left: 18px;
}

.demo-export-help {
  margin: 0;
}

@media (max-width: 1080px) {
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .demo-visual-card {
    min-height: 340px;
  }
}

@media (max-width: 720px) {
  .demo-shell {
    padding: 0 14px 36px;
  }

  .demo-hero {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 18px 0 22px;
  }

  .demo-copy,
  .demo-panel,
  .demo-log-wrap,
  .demo-visual-card {
    padding: 16px;
    border-radius: 22px;
  }

  .demo-copy h1 {
    max-width: 100%;
    font-size: clamp(34px, 11vw, 48px);
  }

  .demo-actions,
  .demo-inline-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .demo-actions a,
  .demo-run,
  .demo-inline-actions a,
  .demo-inline-actions button {
    width: 100%;
    min-width: 0;
    justify-content: center;
  }

  .demo-pills span,
  .demo-filter {
    min-height: 32px;
    font-size: 9.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .task-chip,
  .demo-filter {
    transition: none;
  }
}