/* Tactile UI — one piece's page: the workbench inside the library shell. */

.wrap.wide { width: min(100%, 1560px); padding: 0 clamp(16px, 2vw, 28px); }
.bar .wrap.wide { gap: 18px; }

.crumbs { margin: clamp(22px, 3vw, 36px) 0 0; display: flex; gap: 10px; flex-wrap: wrap; }
.crumbs a { text-decoration: none; color: var(--ink-3); }
.crumbs a:hover { color: var(--ink); }

.obj-head {
  position: relative; isolation: isolate;
  display: grid; gap: 20px;
  padding: clamp(18px, 3vw, 30px) 0 clamp(22px, 2.6vw, 30px);
}
.serial {
  position: absolute; right: -0.02em; top: -0.12em; margin: 0; z-index: -1;
  font: 700 clamp(120px, 15vw, 230px)/1 var(--sans); letter-spacing: -0.06em;
  color: transparent; -webkit-text-stroke: 1.5px color-mix(in oklab, var(--ink) 12%, transparent);
  user-select: none; pointer-events: none;
}
.obj-title { display: grid; gap: 14px; max-width: 46rem; }
.obj-title .display { font-size: clamp(40px, 5vw, 72px); }
.obj-title .lede { font-size: clamp(17px, 1.35vw, 19px); }
.built-with { margin: 0; }
.built-with a { color: var(--ink); text-underline-offset: 4px; }
.obj-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; }
.obj-meta .chips { display: flex; gap: 8px; flex-wrap: wrap; order: 2; }
.obj-meta .btn { order: 1; }
.obj-meta .plate { margin: 0; order: 3; flex-basis: 100%; }

/* ---------------------------------------------------------------- the workbench */
.bench {
  --bench-h: clamp(420px, 44vw, 660px);
  border-radius: 22px; background: var(--bg-2); box-shadow: inset 0 0 0 1px var(--line);
  padding: 10px;
}
.bench-bar { display: flex; align-items: center; gap: 10px; padding: 2px 2px 10px; flex-wrap: wrap; }
.tabs, .mode { display: inline-flex; gap: 2px; padding: 3px; border-radius: 12px; background: var(--bg); box-shadow: inset 0 0 0 1px var(--line); }
.tabs button, .mode button {
  height: 32px; padding: 0 14px; border: 0; border-radius: 9px; background: transparent; cursor: pointer;
  font: 500 13.5px/1 var(--sans); color: var(--ink-3); transition: color 0.2s var(--curve), background-color 0.2s var(--curve);
}
.tabs button:hover, .mode button:hover { color: var(--ink); }
.tabs button[aria-selected='true'], .mode button[aria-pressed='true'] { background: var(--bg-3); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line-2); }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-left: auto; }
.tool {
  height: 32px; padding: 0 11px; border-radius: 10px; border: 0; background: transparent;
  font: 500 10.5px/1 var(--plate); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px; box-shadow: inset 0 0 0 1px var(--line);
  transition: color 0.2s var(--curve), background-color 0.2s var(--curve);
}
.tool:hover { color: var(--ink); background: var(--bg-3); }
.tool[aria-pressed='true'] { color: var(--ink); background: var(--bg-3); box-shadow: inset 0 0 0 1px var(--line-2); }
.tool .led { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-4); transition: background-color 0.2s var(--curve), box-shadow 0.2s var(--curve); }
.tool[aria-pressed='true'] .led { background: var(--signal); box-shadow: 0 0 6px 1px rgb(63 163 77 / 0.5); }
.tool svg { width: 14px; height: 14px; }

.bench-body { display: grid; grid-template-columns: minmax(0, 1fr) 316px; gap: 10px; align-items: stretch; }
.view { position: relative; min-width: 0; }
.stage {
  position: relative; height: var(--bench-h); border-radius: 14px; overflow: hidden;
  background: var(--stage-bg, #111); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.05);
  isolation: isolate;
}
.stage > .stage-mount { height: 100%; }
.stage:focus { outline: none; }
.stage:fullscreen { border-radius: 0; height: 100%; }
.pane { height: var(--bench-h); border-radius: 14px; background: var(--bg); box-shadow: inset 0 0 0 1px var(--line); display: grid; grid-template-rows: auto 1fr auto; overflow: hidden; }
.pane[hidden] { display: none; }
.pane-actions { display: flex; gap: 8px; justify-content: flex-end; padding: 10px 10px 0; }
.pane-actions:empty { display: none; }
.code { overflow: auto; min-height: 0; transition: opacity 0.2s var(--curve); outline: none; }
.code[data-state='loading'] { opacity: 0.45; }
.code:focus-visible { box-shadow: inset 0 0 0 2px var(--ink); }
.code .hl { margin: 0; padding: 18px 22px 24px; font: 400 12.5px/1.72 var(--plate); letter-spacing: 0.01em; color: var(--ink-2); white-space: pre; tab-size: 2; }
.t-comment { color: #77736b; font-style: italic; }
.t-string, .t-value { color: #d2bd8c; }
.t-keyword, .t-selector { color: #ec8d74; }
.t-number { color: #9fc8b6; }
.t-tag { color: #efece6; }
.t-attr, .t-prop { color: #a9b8c9; }
.t-type { color: #f0d49c; }
.t-fn { color: #efece6; }
.t-punct { color: #7d796f; }
.code .prose { padding: 20px 26px 28px; max-width: 52rem; color: var(--ink-2); font-size: 15px; line-height: 1.65; }
.code .prose h1 { font: 700 26px/1.15 var(--sans); letter-spacing: -0.025em; color: var(--ink); margin: 4px 0 14px; }
.code .prose h2 { font: 700 19px/1.25 var(--sans); color: var(--ink); margin: 28px 0 10px; }
.code .prose h3 { font: 700 16px/1.3 var(--sans); color: var(--ink); margin: 22px 0 8px; }
.code .prose p { margin: 0 0 12px; }
.code .prose ul, .code .prose ol { margin: 0 0 12px; padding-left: 1.2em; }
.code .prose li { margin: 4px 0; }
.code .prose strong { color: var(--ink); }
.code .prose code { font: 500 0.86em var(--plate); color: var(--ink); background: var(--bg-2); padding: 1px 5px; border-radius: 5px; }
.code .prose pre.doc-code { margin: 12px 0 16px; padding: 14px 16px; border-radius: 10px; background: var(--bg-2); overflow: auto; }
.code .prose pre.doc-code code { background: none; padding: 0; font: 400 12.5px/1.65 var(--plate); color: var(--ink-2); }
.lockbox { display: grid; gap: 14px; padding: 20px 22px 22px; border-top: 1px solid var(--line); background: var(--tui-face); }
.lockbox p { margin: 0; color: var(--ink-2); max-width: 44em; }
.lockbox .row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.take-note { margin: 12px 4px 2px; }

/* ---------------------------------------------------------------- the inspector */
.params {
  display: grid; gap: 0; align-content: start;
  height: var(--bench-h); overflow: auto;
  padding: 14px 16px 16px; border-radius: 14px; background: var(--bg); box-shadow: inset 0 0 0 1px var(--line);
  scrollbar-width: thin; scrollbar-color: var(--line-2) transparent;
}
.params h3 { margin: 12px 0 4px; }
.params h3:first-child { margin-top: 0; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px 0 12px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.presets button {
  height: 28px; padding: 0 11px; border-radius: 8px; border: 0; cursor: pointer; background: var(--bg-2); color: var(--ink-2);
  font: 500 12.5px/1 var(--sans); box-shadow: inset 0 0 0 1px var(--line);
}
.presets button:hover { color: var(--ink); }
.presets button[aria-pressed='true'] { background: var(--ink); color: var(--bg); box-shadow: none; }
.ctrl { display: grid; gap: 7px; padding: 10px 0 11px; border-bottom: 1px solid var(--line); }
.ctrl:last-of-type { border-bottom: 0; }
.ctrl-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.ctrl-head label, .ctrl-head .name { font: 500 13.5px/1.3 var(--sans); color: var(--ink); }
.ctrl .hint { margin: 0; font-size: 12px; line-height: 1.4; color: var(--ink-3); }
.ctrl input[type='text'], .ctrl select {
  width: 100%; height: 34px; padding: 0 10px; border-radius: 9px; border: 0; background: var(--bg-2); color: var(--ink);
  font: 500 13.5px var(--sans); box-shadow: inset 0 0 0 1px var(--line-2);
}
.ctrl input[type='text']:focus-visible, .ctrl select:focus-visible, .num:focus-visible { outline: 2px solid var(--ink); outline-offset: 1px; }
.slide { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.num {
  width: 64px; field-sizing: content; min-width: 64px; max-width: 120px; height: 30px; padding: 0 8px; border-radius: 8px; border: 0; background: var(--bg-2); color: var(--ink);
  font: 500 12px/1 var(--plate); letter-spacing: 0.02em; text-align: right; font-variant-numeric: tabular-nums;
  box-shadow: inset 0 0 0 1px var(--line-2); -moz-appearance: textfield;
}
.num::-webkit-outer-spin-button, .num::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.ctrl input[type='range'] { -webkit-appearance: none; appearance: none; width: 100%; height: 22px; background: transparent; margin: 0; cursor: pointer; }
.ctrl input[type='range']::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--ink-3) var(--p, 50%), transparent var(--p, 50%)), var(--tui-well); box-shadow: inset 0 1.5px 2px rgb(var(--tui-sh) / calc(var(--tui-sh-a) * 2)), 0 1px 0 var(--tui-hl); }
.ctrl input[type='range']::-moz-range-track { height: 6px; border-radius: 3px; background: var(--tui-well); }
.ctrl input[type='range']::-moz-range-progress { height: 4px; border-radius: 2px; background: var(--ink-2); }
.ctrl input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 22px; margin-top: -8px; border-radius: 4px; border: 0;
  background: linear-gradient(var(--tui-ink), var(--tui-ink)) center / 100% 1.5px no-repeat, linear-gradient(90deg, var(--tui-face-lo), var(--tui-face-hi) 30%, var(--tui-face-hi) 60%, var(--tui-face-lo));
  box-shadow: inset 0 1px 0 var(--tui-hl), 0 2px 0 var(--tui-skirt), 0 4px 8px rgb(var(--tui-sh) / 0.35);
}
.ctrl input[type='range']::-moz-range-thumb { width: 14px; height: 20px; border-radius: 4px; border: 0; background: linear-gradient(90deg, var(--tui-face-lo), var(--tui-face-hi) 30%, var(--tui-face-hi) 60%, var(--tui-face-lo)); }
.ctrl input[type='range']:focus-visible { outline: none; }
.ctrl input[type='range']:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--ink); }
.seg { display: flex; flex-wrap: wrap; gap: 3px; padding: 3px; border-radius: 9px; background: var(--tui-well-fill) var(--tui-well); box-shadow: var(--tui-inset); }
.seg button {
  flex: 1 1 auto; height: 28px; padding: 0 9px; border: 0; border-radius: 7px; background: transparent; cursor: pointer;
  font: 500 12.5px/1 var(--sans); color: var(--ink-3);
}
.seg button:hover { color: var(--ink); }
.seg button[aria-checked='true'] { color: var(--ink); background: linear-gradient(var(--tui-face-hi), color-mix(in oklab, var(--tui-face-hi) 92%, rgb(var(--tui-sh)))); box-shadow: inset 0 1px 0 var(--tui-hl), 0 1px 2px rgb(var(--tui-sh) / 0.3); }
.swatches { display: flex; flex-wrap: wrap; gap: 8px; padding: 2px 0; }
.swatch {
  width: 28px; height: 28px; border-radius: 50%; border: 0; padding: 0; cursor: pointer;
  background: var(--sw, #888); box-shadow: inset 0 1px 1px rgb(255 255 255 / 0.35), inset 0 -2px 3px rgb(0 0 0 / 0.35), 0 0 0 1px rgb(0 0 0 / 0.5);
  transition: box-shadow 0.2s var(--curve);
}
.swatch[aria-checked='true'] { box-shadow: inset 0 1px 1px rgb(255 255 255 / 0.35), inset 0 -2px 3px rgb(0 0 0 / 0.35), 0 0 0 2px var(--bg), 0 0 0 3.5px var(--ink); }
.switch { display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; }
.switch input { appearance: none; -webkit-appearance: none; width: 40px; height: 22px; border-radius: 999px; margin: 0; background: var(--tui-well-fill) var(--tui-well); position: relative; cursor: pointer; box-shadow: var(--tui-inset); transition: background-color 0.25s var(--curve); flex: 0 0 auto; }
.switch input::after { content: ''; position: absolute; top: 2px; left: 2px; width: 22px; height: 18px; border-radius: 999px; background: linear-gradient(var(--tui-face-hi), color-mix(in oklab, var(--tui-face-hi) 90%, rgb(var(--tui-sh)))); box-shadow: var(--tui-raised); transition: transform 0.2s var(--curve); }
.switch input:checked { background: color-mix(in oklab, var(--tui-green) 75%, var(--tui-well)); box-shadow: inset 0 1.5px 3px rgb(0 0 0 / 0.3), 0 1px 0 var(--tui-hl), 0 0 10px -2px color-mix(in oklab, var(--tui-green) 60%, transparent); }
.switch input:checked::after { transform: translateX(14px); }
.switch input:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.params-foot { display: flex; gap: 8px; padding-top: 14px; }

/* ---------------------------------------------------------------- the physics, drawn */
.curve { display: grid; gap: 8px; padding: 2px 0 14px; margin-bottom: 4px; border-bottom: 1px solid var(--line); }
.curve .plate { margin: 0; }
.curve svg { width: 100%; height: auto; overflow: visible; }
.curve .axis { stroke: var(--line-2); stroke-width: 1; }
.curve .diag { stroke: var(--line); stroke-width: 1; stroke-dasharray: 3 4; }
.curve .mark { stroke: var(--ink-3); stroke-width: 1; }
.curve .trace { fill: none; stroke: var(--ink); stroke-width: 1.75; stroke-linejoin: round; }
.curve .curve-axes { color: var(--ink-4); }

@media (max-width: 1180px) {
  .bench-body { grid-template-columns: 1fr; }
  .params { height: auto; max-height: none; }
}
@media (max-width: 600px) {
  .bench { --bench-h: 380px; padding: 6px; border-radius: 16px; }
  .toolbar { margin-left: 0; }
}

/* ---------------------------------------------------------------- related blocks */
.related { margin-top: clamp(48px, 7vw, 88px); }
.related .h3 { margin-bottom: 16px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.rel-card { display: grid; gap: 10px; text-decoration: none; }
.rel-card .rel-stage { position: relative; aspect-ratio: 16 / 10; border-radius: 14px; overflow: hidden; background: var(--stage-bg, var(--bg-2)); box-shadow: inset 0 0 0 1px var(--line); }
.rel-card b { font: 700 16px/1.2 var(--sans); }
.rel-card span { color: var(--ink-3); font-size: 14px; }

/* ---------------------------------------------------------------- datasheet, states, purpose */
.spec { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 32px clamp(28px, 4vw, 56px); margin-top: clamp(56px, 8vw, 104px); }
.spec-col .h3 { margin-bottom: 16px; }
.plate-list { margin: 0; border-top: 1px solid var(--line-2); }
.plate-list div { display: grid; grid-template-columns: 9.5em 1fr; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.plate-list dt { font: 500 10.5px/1.6 var(--plate); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.plate-list dd { margin: 0; font-size: 15px; color: var(--ink); }
.plate-list dd.fig { font: 500 13px/1.5 var(--plate); letter-spacing: 0.03em; }
.states { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-2); counter-reset: st; }
.states li { counter-increment: st; display: grid; grid-template-columns: 34px 1fr; gap: 2px 0; padding: 12px 0; border-bottom: 1px solid var(--line); }
.states li::before { content: counter(st, decimal-leading-zero); grid-row: span 2; font: 500 11px/1.9 var(--plate); color: var(--ink-3); letter-spacing: 0.08em; }
.states b { font-weight: 700; font-size: 15px; }
.states span { color: var(--ink-3); font-size: 14.5px; line-height: 1.45; }
.purpose-col p { margin: 0 0 14px; color: var(--ink-2); }
@media (max-width: 1100px) { .spec { grid-template-columns: 1fr 1fr; } .purpose-col { grid-column: 1 / -1; } }
@media (max-width: 680px) { .spec { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- siblings, footer */
.sibs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: clamp(56px, 8vw, 104px); }
.sib {
  display: grid; gap: 6px; padding: 20px 22px; border-radius: 18px; text-decoration: none;
  background: var(--bg-2); box-shadow: inset 0 0 0 1px var(--line); transition: box-shadow 0.3s var(--curve), background-color 0.3s var(--curve);
}
.sib:hover { background: color-mix(in oklab, var(--tui-face-hi) 55%, transparent); box-shadow: inset 0 0 0 1px var(--line-2); }
.sib.next { text-align: right; }
.sib b { font: 700 clamp(22px, 2.6vw, 30px)/1.05 var(--sans); letter-spacing: -0.03em; }
.foot.slim { margin-top: clamp(56px, 8vw, 104px); padding: 24px 0 32px; }
.foot.slim .small { margin-top: 0; }
.foot.slim .small a { color: var(--ink-3); }