stack-chan

.tracking-page {
  width: min(100%, 1240px);
  margin: 0 auto;
  padding: 30px 22px 48px;
}

.page-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 24px;
}

.page-heading h1 {
  margin-bottom: 8px;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.page-heading p:not(.eyebrow) {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.65;
}

.eyebrow {
  margin-bottom: 7px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 20px;
  align-items: start;
}

.camera-panel,
.control-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.camera-panel {
  overflow: hidden;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.panel-heading h2,
.control-card h2 {
  margin-bottom: 4px;
  font-size: 1rem;
}

.status-line {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.status-line[data-state='connected'] {
  color: var(--success);
}

.status-line[data-state='busy'] {
  color: var(--warning);
}

.status-line[data-state='error'] {
  color: var(--danger);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.camera-stage {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background: #090a0b;
  aspect-ratio: 16 / 9;
}

.camera-stage video,
.camera-stage canvas {
  position: absolute;
  width: 100%;
  height: 100%;
  inset: 0;
  object-fit: cover;
  transform: scaleX(-1);
}

.camera-stage canvas {
  pointer-events: none;
}

#tracking-status {
  position: absolute;
  right: 12px;
  bottom: 12px;
  margin: 0;
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  background: rgba(10, 12, 13, 0.78);
  color: var(--muted);
  font-size: 0.76rem;
}

.control-panel {
  display: grid;
  gap: 14px;
}

.control-card {
  padding: 17px;
}

.stacked-buttons {
  margin-top: 14px;
}

.stacked-buttons > * {
  flex: 1 1 100%;
}

.hint,
.privacy-note p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  color: var(--accent);
  font-size: 0.8rem;
}

.text-link svg {
  width: 16px;
  height: 16px;
}

.tracking-values {
  display: grid;
  gap: 0;
  margin: 12px 0 0;
}

.tracking-values div {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

.tracking-values dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.tracking-values dd {
  min-width: 0;
  margin: 0;
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

@media (max-width: 900px) {
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .control-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .privacy-note {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .tracking-page {
    padding: 20px 14px 36px;
  }

  .page-heading,
  .panel-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .page-heading .button {
    width: 100%;
  }

  .camera-stage {
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .control-panel {
    grid-template-columns: 1fr;
  }

  .privacy-note {
    grid-column: auto;
  }
}