.motion-lab { --lab-ink: #252525; --lab-surface: #faf9f7; --lab-plate: #fff; --lab-line: #dcd8d3; --lab-muted: #69635e; --lab-orange: #b94c11; --lab-blue: #167d8e; color: var(--lab-ink); background: var(--lab-surface); border: 1px solid var(--lab-line); border-radius: 20px; overflow: hidden; margin-block: 24px; max-width: 900px; }
html[data-theme="dark"] .motion-lab { --lab-ink: #eeebe7; --lab-surface: #111110; --lab-plate: #1b1a18; --lab-line: #37342f; --lab-muted: #b0aaa2; --lab-orange: #ff965b; --lab-blue: #83ccd4; }
.lab-interactive, .lab-static { padding: clamp(16px, 3vw, 28px); }
.lab-toolbar, .lab-controls, .lab-code-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.lab-badge { color: var(--lab-orange); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 650; }
.motion-lab button, .motion-lab select { min-height: 42px; border: 1px solid var(--lab-line); padding: 8px 12px; border-radius: 9px; background: var(--lab-plate); color: var(--lab-ink); cursor: pointer; font: inherit; font-size: .82rem; }
.motion-lab button:disabled { opacity: .42; cursor: default; }
.motion-lab button:focus-visible, .motion-lab select:focus-visible, .motion-lab input:focus-visible { outline: 2px solid var(--lab-orange); outline-offset: 3px; }
.motion-lab button:hover:not(:disabled) { border-color: var(--lab-orange); }
.motion-lab .lab-primary { background: var(--lab-orange); color: var(--lab-plate); min-width: 72px; font-weight: 650; }
html[data-theme="dark"] .motion-lab .lab-primary { color: #211208; }
.lab-scene { background: var(--lab-plate); margin-top: 20px; border: 1px solid var(--lab-line); border-radius: 14px; overflow: hidden; }
.lab-scene svg { display: block; width: 100%; height: auto; max-height: 360px; }
.lab-scene text { font-family: ui-monospace, monospace; font-size: 18px; fill: var(--lab-ink); }
.lab-scene .lab-svg-small { font-size: 15px; fill: var(--lab-muted); }
.lab-object rect { fill: var(--lab-surface); stroke: var(--lab-line); }
.lab-object--copy rect { stroke: var(--lab-blue); }
.lab-name rect { fill: var(--lab-surface); stroke: var(--lab-line); }
.lab-name path { fill: none; stroke: var(--lab-orange); stroke-width: 2; }
.lab-name path::after { content: ''; }
.lab-name text { fill: var(--lab-orange); }
.lab-grid path { fill: none; stroke: var(--lab-line); stroke-width: .5; }
.lab-grid path:first-child { stroke-width: 1; }
.lab-direction { stroke: var(--lab-muted); stroke-dasharray: 3 6; stroke-width: 1; }
.lab-vector { stroke: var(--lab-orange); stroke-width: 3; }
.lab-projection { stroke: var(--lab-blue); stroke-width: 5; stroke-linecap: round; }
.lab-remainder { stroke: var(--lab-muted); stroke-dasharray: 5 5; stroke-width: 2; }
.lab-channel { fill: none; stroke: var(--lab-line); stroke-width: 2; stroke-dasharray: 4 7; }
.lab-message rect { fill: var(--lab-orange); }
.lab-message text { fill: var(--lab-plate); font-size: 16px; }
html[data-theme="dark"] .lab-message text { fill: #211208; }
.lab-step { padding-block: 20px; min-height: 132px; }
.lab-step-count { font: 11px/1.5 ui-monospace,monospace; color: var(--lab-orange); letter-spacing: .08em; }
.lab-explanation { font-size: 1rem; line-height: 1.7; margin: 8px 0 0; max-width: none; }
.lab-controls { justify-content: flex-start; border-block: 1px solid var(--lab-line); padding-block: 14px; }
.lab-speed { margin-inline-start: auto; display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--lab-muted); }
.lab-parameters { display: grid; gap: 14px; padding-block-start: 14px; }
.lab-parameters label { display: grid; gap: 6px; font-size: .85rem; }
.lab-parameters label > span { display: flex; justify-content: space-between; }
.lab-parameters input { width: 100%; min-height: 28px; accent-color: var(--lab-orange); }
.lab-parameters output { font-family: ui-monospace, monospace; font-variant-numeric: tabular-nums; }
.lab-numbers { font-size: .78rem; line-height: 1.7; color: var(--lab-muted); }
.lab-legend { display: flex; gap: 10px; flex-wrap: wrap; font-size: .72rem; color: var(--lab-muted); }
.lab-legend span:first-child { color: var(--lab-orange); }
.lab-legend span:nth-child(2) { color: var(--lab-blue); }
.lab-code-header { margin-top: 20px; font-size: .8rem; color: var(--lab-muted); }
.motion-lab .lab-code, .motion-lab .lab-static pre { background: var(--lab-plate); color: var(--lab-ink); border: 1px solid var(--lab-line); border-radius: 12px; padding: 14px 0; margin: 12px 0 0; overflow-x: auto; font: 13px/1.9 ui-monospace, monospace; }
.lab-code code { display: block; min-width: max-content; }
.lab-code [data-line] { display: block; padding-inline: 16px; border-inline-start: 2px solid transparent; }
.lab-code [data-active="true"] { background: color-mix(in srgb,var(--lab-orange) 12%,transparent); border-inline-start-color: var(--lab-orange); }
.lab-static pre code { padding: 0 16px; display: block; }
.lab-static p, .lab-static li { line-height: 1.8; font-size: .95rem; }
.lab-static li { margin-block: 10px; }
.lab-feedback { font-size: .8rem; color: var(--lab-muted); margin: 10px 0 0; }
.lab-feedback:empty, .lab-loading-status:empty { display: none; }
.lab-loading-status:not(:empty) { padding: 20px; font-size: .85rem; }
.lab-source { font-size: .82rem; line-height: 1.7; opacity: .75; max-width: 85ch; }
.motion-lab-disclosure { border: 1px solid var(--reader-border, #8885); border-radius: 14px; margin-block: 24px; }
.motion-lab-disclosure > summary { display: flex; align-items: center; gap: 10px 16px; flex-wrap: wrap; padding: 18px; cursor: pointer; }
.motion-lab-disclosure > summary::before { content: '+'; color: var(--motion-thread); font-size: 1.3rem; }
.motion-lab-disclosure[open] > summary::before { content: '−'; }
.motion-lab-disclosure summary strong { font-size: .95rem; }
.motion-lab-disclosure .lab-disclosure-hint { font-size: .75rem; opacity: .6; margin-inline-start: auto; }
.motion-lab-disclosure > .details__body { padding: 0 12px 12px !important; border: 0 !important; }
.motion-lab-disclosure .motion-lab { margin-block: 0; }
@media(max-width: 480px) {
  .lab-controls { gap: 6px; }
  .motion-lab button { padding-inline: 10px; }
  .lab-speed { margin-inline-start: 0; }
  .lab-step { min-height: 155px; }
  .motion-lab-disclosure .lab-disclosure-hint { flex-basis: 100%; margin-inline-start: 24px; }
}