/* Labs: the glyph script playground and the export panels (favicon,
   cursor, plotter, STL). Builds on site.css and studio.css. */

.labs-back {
  flex: none;
  margin-left: auto;
}
.labs-back svg {
  width: 16px;
  height: 16px;
}
.mono {
  font-family: var(--mono);
  font-size: 13px;
}
.src-note:empty {
  display: none;
}
.src-note.bad {
  color: var(--bad);
}

/* Glyph script */

.lab-script {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 16px;
  align-items: start;
}
.gs-editor {
  padding: 12px;
  min-width: 0;
}
.gs-editor .field.inline .input {
  max-width: 220px;
}
.gs-code {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg) 70%, var(--panel));
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.gs-code:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.gs-gutter,
.gs-text {
  margin: 0;
  padding: 14px 0;
  font: 13.5px/1.6 var(--mono);
  tab-size: 2;
}
.gs-gutter {
  min-width: 46px;
  padding-left: 10px;
  padding-right: 10px;
  overflow: hidden;
  border-right: 1px solid var(--line);
  color: var(--text-3);
  text-align: right;
  user-select: none;
}
.gs-gutter span {
  display: block;
  border-radius: 4px;
}
.gs-gutter .err {
  color: var(--bad);
  background: color-mix(in srgb, var(--bad) 14%, transparent);
  font-weight: 700;
}
.gs-gutter .warn {
  color: var(--accent-text);
  background: var(--accent-soft);
}
.gs-text {
  display: block;
  width: 100%;
  min-height: 460px;
  padding-left: 14px;
  padding-right: 14px;
  border: 0;
  outline: none;
  resize: vertical;
  background: transparent;
  color: var(--text);
  white-space: pre;
  overflow: auto;
  caret-color: var(--accent);
}
.gs-status {
  margin: 10px 4px 0;
  min-height: 1.5em;
  font: 500 12.5px var(--mono);
  color: var(--text-3);
}
.gs-status.ok {
  color: var(--good);
}
.gs-status.bad {
  color: var(--bad);
}
.gs-side {
  display: grid;
  gap: 16px;
  min-width: 0;
}
.gs-view {
  display: grid;
  gap: 14px;
}
.gs-view .side-title {
  margin-bottom: 0;
}
.gs-stage {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) center / calc(100% / 24) calc(100% / 24),
    linear-gradient(90deg, var(--line) 1px, transparent 1px) center / calc(100% / 24) calc(100% / 24),
    var(--icon-bg);
  color: var(--text);
  overflow: hidden;
  transition: opacity 0.2s;
}
.gs-stage svg {
  width: 100%;
  height: 100%;
}
.gs-stage.stale {
  opacity: 0.45;
}
.gs-sizes {
  display: flex;
  align-items: end;
  justify-content: space-around;
  gap: 12px;
  padding: 14px;
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--text);
}
.gs-lint li.bad,
.gs-lint li.warn {
  cursor: pointer;
}
.lint li.warn {
  color: var(--accent-text);
}
.lint li button {
  all: unset;
  display: flex;
  gap: 8px;
  cursor: pointer;
}
.lint li button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.gs-out {
  grid-column: 1 / 2;
  min-width: 0;
}
.gs-out .code pre {
  max-height: 320px;
  font-size: 12px;
}
.gs-ref {
  grid-column: 2 / 3;
}
.gs-lead {
  margin: 0 0 14px;
  font-size: 13.5px;
}
.gs-ref-list {
  display: grid;
  gap: 10px;
  margin: 0;
}
.gs-ref-list div {
  display: grid;
  gap: 2px;
}
.gs-ref-list dt {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
}
.gs-ref-list code {
  font: 500 12px var(--mono);
  color: var(--accent-text);
}
.gs-ref-list dd {
  margin: 0;
  font-size: 13px;
  color: var(--text-2);
}

/* Export panels */

.lab-export {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.lab-controls {
  display: grid;
  gap: 16px;
}
.lab-controls .subtitle {
  margin: 0;
}
.lab-controls .muted {
  margin: 0;
  font-size: 14px;
}
.lab-stage {
  display: grid;
  gap: 16px;
  min-width: 0;
}
.lab-stage .side-title {
  margin: 4px 0 -4px;
}
.lab-stage .code pre {
  max-height: 300px;
  font-size: 12px;
}
.lab-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  margin: 0;
}
.lab-stats div {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-2);
}
.lab-stats dt {
  font: 600 10.5px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}
.lab-stats dd {
  margin: 2px 0 0;
  font: 600 15px var(--mono);
  color: var(--text);
}
.lab-stats dd small {
  display: block;
  font: 500 11.5px var(--font);
  color: var(--good);
}
.lab-error {
  padding: 12px 14px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--bad) 12%, transparent);
  color: var(--bad);
  font-size: 13.5px;
}

/* Favicon */

.fv-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.fv-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  padding: 0 14px;
  border-radius: 10px 10px 0 0;
  font-size: 13px;
}
.fv-tab span {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.fv-tab svg {
  width: 12px;
  height: 12px;
  opacity: 0.6;
}
.fv-tab.dark {
  background: #23232b;
  color: #ececf1;
  box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.08) inset;
}
.fv-tab.light {
  background: #ffffff;
  color: #1d1b20;
  border: 1px solid rgba(17, 12, 6, 0.1);
  border-bottom: 0;
}
.fv-tab img {
  flex: none;
  width: 16px;
  height: 16px;
}
.fv-big {
  display: grid;
  place-items: center;
  min-height: 200px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--icon-bg);
}
.fv-big img {
  width: 128px;
  height: 128px;
}
.fv-frames {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  gap: 6px;
}
.fv-frames img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--icon-bg);
}
.fv-frames img.on {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

/* Cursor */

.cu-try {
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 24px;
  border: 1.5px dashed var(--line-3);
  border-radius: 14px;
  background:
    linear-gradient(135deg, var(--panel-2) 25%, transparent 25%) 0 0 / 28px 28px,
    linear-gradient(135deg, transparent 75%, var(--panel-2) 75%) 0 0 / 28px 28px,
    var(--icon-bg);
  color: var(--text-2);
  text-align: center;
  font-size: 14px;
}
.cu-pngs {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: end;
}
.cu-pngs figure {
  margin: 0;
  display: grid;
  justify-items: center;
  gap: 6px;
  font: 500 11px var(--mono);
  color: var(--text-3);
}
.cu-zoom {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background:
    conic-gradient(var(--panel-2) 25%, transparent 0 50%, var(--panel-2) 0 75%, transparent 0) 0 0 / 16px 16px,
    var(--icon-bg);
}
.cu-zoom img {
  display: block;
  image-rendering: pixelated;
}
.cu-zoom i {
  position: absolute;
  width: 9px;
  height: 9px;
  margin: -4.5px 0 0 -4.5px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 35%, transparent);
  pointer-events: none;
}

/* Plotter */

.pl-stage {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  max-height: 560px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfaf6;
  overflow: hidden;
}
.pl-stage svg {
  width: 100%;
  height: 100%;
}
.pl-stage .pen {
  fill: none;
  stroke: #1d1b20;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.pl-stage .travel {
  fill: none;
  stroke: #ff7a1a;
  stroke-dasharray: 1.2 1.2;
  stroke-linecap: round;
}
.pl-stage .start {
  fill: #ff7a1a;
}

/* STL */

.st-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: radial-gradient(120% 100% at 50% 0%, var(--panel-3), var(--icon-bg));
  cursor: grab;
  touch-action: none;
}
.st-canvas:active {
  cursor: grabbing;
}
.st-canvas:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 1200px) {
  .lab-script {
    grid-template-columns: minmax(0, 1fr);
  }
  .gs-side {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .gs-out,
  .gs-ref {
    grid-column: auto;
  }
  .lab-export {
    grid-template-columns: 320px minmax(0, 1fr);
  }
}
@media (max-width: 860px) {
  .labs-back {
    display: none;
  }
  .lab-export {
    grid-template-columns: 1fr;
  }
  .gs-text {
    min-height: 320px;
  }
  .fv-tabs {
    grid-template-columns: 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  .gs-stage,
  .gs-code {
    transition: none;
  }
}