/* AprilTag scale bar generator — builds on style.css tokens */

.sb {
  --sb-panel: #ffffff;
  --sb-soft: #fafafa;
  --sb-error: #c62828;
  --sb-warn-bg: #fff6e0;
  --sb-warn-border: #f0c14b;
  --sb-radius: 8px;
}

.sb-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--primary-orange);
  margin-bottom: var(--spacing-sm);
}

.sb-eyebrow--light {
  color: #ff8a66;
}

/* Hero */
.sb-hero {
  padding: var(--spacing-xl) 0 var(--spacing-md);
  text-align: center;
}

.sb-hero__title {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.sb-hero__text {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--text-gray);
}

/* Panels */
.sb-panel {
  background: var(--sb-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--sb-radius);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}

.sb-tool {
  padding: var(--spacing-sm) 0 var(--spacing-xxl);
}

.sb-tool__grid {
  display: grid;
  grid-template-columns: minmax(300px, 380px) 1fr;
  gap: var(--spacing-sm);
  align-items: start;
}

/* Form */
.sb-form {
  padding: var(--spacing-sm);
}

.sb-fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 var(--spacing-xs);
}

.sb-legend {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  padding: 0;
}

.sb-field {
  margin-bottom: 14px;
  min-width: 0;
}

.sb-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.sb-input {
  display: flex;
  align-items: stretch;
  border: 1px solid #cfcfcf;
  border-radius: 4px;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sb-input:focus-within {
  border-color: var(--primary-orange);
  box-shadow: 0 0 0 3px rgba(255, 71, 21, 0.15);
}

.sb-input input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-dark);
  outline: none;
}

.sb-input span {
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-gray);
  border-left: 1px solid var(--border-light);
  background: var(--sb-soft);
  border-radius: 0 4px 4px 0;
}

.sb-field.has-error .sb-input {
  border-color: var(--sb-error);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.12);
}

.sb-hint {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text-gray);
  margin-top: 6px;
}

.sb-hint--intro {
  margin: 0 0 14px;
}

.sb-hint.is-error {
  color: var(--sb-error);
}

.sb-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.sb-row .sb-field {
  margin-bottom: 0;
}

.sb-row + .sb-hint {
  margin-bottom: 14px;
}

.sb-sublabel {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 18px 0 8px;
}

.sb-details {
  border-top: 1px solid var(--border-light);
  padding: 14px 0 4px;
}

.sb-details summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 10px;
}

.sb-details summary::-webkit-details-marker {
  display: none;
}

.sb-details summary::after {
  content: "+";
  font-size: 1.1rem;
  color: var(--primary-orange);
}

.sb-details[open] summary::after {
  content: "−";
}

.sb-details[open] summary {
  margin-bottom: 8px;
}

.sb-actions-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 12px 0 10px;
}

.sb-btn-small {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 14px;
  border-radius: 4px;
  border: 2px solid var(--text-dark);
  background: var(--text-dark);
  color: #fff;
  cursor: pointer;
}

.sb-btn-small--ghost {
  background: transparent;
  color: var(--text-dark);
}

.sb-factor {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--primary-orange);
}

/* Shape selector, presets, logo & text */
.sb-segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}

.sb-seg {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 8px;
  border: 1px solid #cfcfcf;
  border-radius: 6px;
  background: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--text-gray);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.sb-seg svg {
  width: 48px;
  height: 20px;
  fill: currentColor;
}

.sb-seg svg rect:not(:first-child),
.sb-seg svg path + rect {
  fill: #fff;
}

.sb-seg.is-active {
  border-color: var(--primary-orange);
  color: var(--text-dark);
  box-shadow: 0 0 0 3px rgba(255, 71, 21, 0.12);
}

.sb-seg.is-active svg {
  fill: var(--text-dark);
}

.sb-badge {
  display: inline-block;
  padding: 1px 5px;
  margin-left: 4px;
  border-radius: 3px;
  background: var(--primary-orange);
  color: #fff;
  font-size: 0.625rem;
  vertical-align: middle;
}

.sb-presets {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.sb-preset {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 12px;
  border: 1px solid #cfcfcf;
  border-radius: 999px;
  background: #fff;
  color: var(--text-dark);
  cursor: pointer;
}

.sb-preset:hover {
  border-color: var(--text-dark);
}

.sb-preset.is-active {
  background: var(--text-dark);
  border-color: var(--text-dark);
  color: #fff;
}

.sb-row--ids {
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
}

.sb-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.sb-choice {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 0.9375rem;
}

.sb-choice label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 400;
  margin: 0;
  cursor: pointer;
}

.sb-choice input {
  accent-color: var(--primary-orange);
}

.sb-file--block {
  display: inline-block;
  margin-top: 10px;
}

.sb-file[hidden] {
  display: none;
}

.sb-segmented + .sb-hint {
  margin: 0 0 14px;
}

.sb-stage.is-L {
  aspect-ratio: 4 / 3;
}

.sb-file span.is-error {
  color: var(--sb-error);
}

/* Preview */
.sb-preview {
  padding: var(--spacing-sm);
  min-width: 0;
}

.sb-preview__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.sb-tabs {
  display: inline-flex;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  overflow: hidden;
}

.sb-tab {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 16px;
  border: 0;
  background: #fff;
  color: var(--text-gray);
  cursor: pointer;
}

.sb-tab.is-active {
  background: var(--text-dark);
  color: #fff;
}

.sb-legend-keys {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.8125rem;
  color: var(--text-gray);
}

.sb-legend-keys span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sb-swatch {
  width: 14px;
  height: 14px;
  border-radius: 2px;
  display: inline-block;
}

.sb-swatch--white {
  background: #fff;
  border: 1px solid #b5b5b5;
}

.sb-swatch--black {
  background: #141414;
}

.sb-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  background:
    radial-gradient(circle at 50% 40%, #ffffff 0%, #f1f1f1 100%);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.sb-view {
  position: absolute;
  inset: 0;
  display: none;
}

.sb-view.is-active {
  display: block;
}

.sb-view--3d canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  cursor: grab;
  touch-action: none;
}

.sb-view--3d canvas:active {
  cursor: grabbing;
}

.sb-view--top {
  padding: 16px;
}

.sb-view--top svg {
  width: 100%;
  height: 100%;
}

.sb-stage__msg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-gray);
}

.sb-stage__msg[hidden] {
  display: none;
}

.sb-messages:not(:empty) {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.sb-msg {
  font-size: 0.875rem;
  line-height: 1.5;
  padding: 10px 12px;
  border-radius: 4px;
  border-left: 3px solid;
}

.sb-msg--error {
  background: #fdecec;
  border-color: var(--sb-error);
  color: #8e1c1c;
}

.sb-msg--warning {
  background: var(--sb-warn-bg);
  border-color: var(--sb-warn-border);
  color: #6b4d00;
}

.sb-readout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 16px 0 0;
  background: var(--border-light);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
}

.sb-readout__item {
  background: #fff;
  padding: 12px 14px;
  min-width: 0;
}

.sb-readout__item dt {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-gray);
}

.sb-readout__item dd {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 4px 0 2px;
  overflow-wrap: anywhere;
}

.sb-readout__item small {
  font-size: 0.75rem;
  color: #767676;
}

.sb-readout__item--measured dd {
  color: var(--primary-orange);
}

.sb-downloads {
  margin-top: var(--spacing-sm);
}

.sb-downloads .sb-legend {
  margin-bottom: 10px;
}

.sb-downloads__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sb-dl:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* After printing */
.sb-after {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  align-items: start;
}

.sb-h3 {
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 10px;
}

.sb-after__text p {
  color: var(--text-gray);
  line-height: 1.7;
}

.sb-after__controls {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.sb-after__controls .sb-field {
  width: 100%;
  margin: 0;
}

.sb-file {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.sb-file input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.sb-file:focus-within span {
  outline: 2px solid var(--primary-orange);
  outline-offset: 3px;
}

.sb-after__controls .sb-hint {
  margin: 0;
}

/* Steps */
.sb-steps {
  padding: var(--spacing-xxl) 0;
}

.sb-steps__list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-sm);
}

.sb-step {
  border-top: 2px solid var(--text-dark);
  padding-top: var(--spacing-sm);
}

.sb-step__num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--primary-orange);
}

.sb-step__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 6px 0 8px;
}

.sb-step p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-gray);
}

/* Measuring */
.sb-measure {
  padding: var(--spacing-xl) 0 var(--spacing-xxl);
}

.sb-measure__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-md);
  align-items: center;
}

.sb-measure__figure {
  margin: 0;
  padding: var(--spacing-sm);
}

.sb-measure__figure svg {
  width: 100%;
  height: auto;
  display: block;
}

.sb-measure__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-gray);
  text-align: center;
}

.sb-list {
  list-style: disc;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  color: var(--text-gray);
  line-height: 1.6;
}

.sb-list li::marker {
  color: var(--primary-orange);
}

.sb-list--small {
  font-size: 0.875rem;
  max-width: 820px;
}

/* Replica banner */
.sb-replica {
  padding: 0 0 var(--spacing-xxl);
}

.sb-replica__card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--spacing-md);
  align-items: center;
  background: #111111;
  color: #f2f2f2;
  border-radius: 12px;
  padding: var(--spacing-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 71, 21, 0.18);
}

.sb-replica__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: #fff;
}

.sb-replica__text p {
  color: #c9c9c9;
  line-height: 1.7;
}

.sb-replica__refine {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--primary-orange);
  font-size: 0.9375rem;
}

.sb-replica__ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.sb-replica__ctas .btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.sb-replica__ctas .btn:hover {
  background-color: #ffffff;
  border-color: #ffffff;
  color: #111111;
}

.sb-replica__link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #fff;
  text-decoration: none;
}

.sb-replica__link:hover {
  color: var(--primary-orange);
}

.sb-replica__text .sb-replica__note {
  margin-top: 10px;
  font-size: 0.8125rem;
  color: #8f8f8f;
}

.sb-replica__visual img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

/* Notes */
.sb-notes {
  padding: 0 0 var(--spacing-xxl);
}

/* Responsive */
@media (max-width: 1024px) {
  .sb-tool__grid {
    grid-template-columns: 1fr;
  }

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

  .sb-measure__grid,
  .sb-replica__card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sb-hero__text {
    font-size: 1.0625rem;
  }

  .sb-stage {
    aspect-ratio: 4 / 3;
  }

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

  .sb-after {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .sb-steps__list {
    grid-template-columns: 1fr;
  }

  .sb-replica__card {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .sb-downloads__buttons .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}