/* ==========================================================================
   OpenSpec marketing site
   Dark charcoal, phosphor green, technical-drawing bones.
   Display: Anton. Everything else: IBM Plex Mono.
   ========================================================================== */

:root {
  /* light engineering paper: cream sheet, graphite ink, drafting-green
     grid + accents; the DRO and terminal stay dark like instruments */
  --bg: #eae4d3;
  --bg-2: #e2dbc8;
  --line: rgba(31, 105, 72, 0.20);
  --line-soft: rgba(31, 105, 72, 0.09);
  --ink: #2c332d;
  --ink-dim: #6d7268;
  --paper: #1c231e;
  --buff: #8b7d52;
  --green: #17744a;
  --green-deep: #0f5634;
  --card: rgba(252, 248, 238, 0.62);
  --wash: rgba(31, 105, 72, 0.08);
  --wash-strong: rgba(31, 105, 72, 0.11);
  --hairline: rgba(31, 105, 72, 0.14);
  --dash: rgba(31, 105, 72, 0.25);
  --grid-1: rgba(31, 105, 72, 0.05);
  --grid-2: rgba(31, 105, 72, 0.09);
  --strip: rgba(240, 235, 221, 0.7);
  --xhair: rgba(44, 51, 45, 0.35);
  --vig: rgba(140, 128, 100, 0.30);
  --sel-ink: #f2eddd;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Menlo, monospace;
  --disp: "Anton", "Arial Narrow", sans-serif;
  --pad: clamp(20px, 5vw, 72px);
  --maxw: 1200px;
}

:root[data-theme="dark"] .grain { opacity: 0.55; }

:root[data-theme="dark"] {
  /* the dark drafting table, as originally built */
  --bg: #0d100e;
  --bg-2: #121613;
  --line: rgba(96, 200, 150, 0.15);
  --line-soft: rgba(96, 200, 150, 0.06);
  --ink: #e2e1d6;
  --ink-dim: #91998f;
  --paper: #ece7d8;
  --buff: #cdbc8d;
  --green: #50e3a4;
  --green-deep: #2a9a6b;
  --card: rgba(10, 14, 12, 0.55);
  --wash: rgba(80, 227, 164, 0.05);
  --wash-strong: rgba(80, 227, 164, 0.1);
  --hairline: rgba(80, 227, 164, 0.08);
  --dash: rgba(80, 227, 164, 0.14);
  --grid-1: rgba(96, 200, 150, 0.028);
  --grid-2: rgba(96, 200, 150, 0.05);
  --strip: rgba(14, 18, 16, 0.7);
  --xhair: rgba(80, 227, 164, 0.28);
  --vig: rgba(8, 11, 9, 0.85);
  --sel-ink: #08130d;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  /* the whole site sits on faint engineering-paper grid, like the ruled
     back of the sheet showing through */
  background-image:
    linear-gradient(var(--grid-1) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-1) 1px, transparent 1px),
    linear-gradient(var(--grid-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-2) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--green); color: var(--sel-ink); }

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- paper texture ---------- */
.grain {
  position: fixed;
  inset: -100px;
  z-index: 40;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.9;
  /* layered by JS: fine tooth grain + low-frequency vellum mottle,
     topped with a soft vignette so the sheet darkens at its edges */
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  cursor: crosshair;
  /* blueprint grid */
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
}
.hero::after {
  /* vignette so the grid dies off at the edges */
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 40%, transparent 45%, var(--vig) 100%);
}

#blueprint {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero__frame {
  position: relative;
  z-index: 3;
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: none;
  padding: clamp(18px, 3vw, 34px) var(--pad);
}

.wordmark { display: flex; flex-direction: column; gap: 2px; }
.wordmark__name {
  font-family: var(--disp);
  font-size: 22px;
  letter-spacing: 0.14em;
  color: var(--ink);
}
.wordmark__dwg {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-dim);
}

.hero__copy {
  margin-top: auto;
  margin-bottom: auto;
  max-width: 640px;
  padding-top: 5vh;
}

.hero__title {
  font-family: var(--disp);
  font-weight: 400;
  color: var(--paper);
  font-size: clamp(56px, 9.5vw, 132px);
  line-height: 0.98;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.hero__title .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}
.hero__title .line__inner {
  display: inline-block;
  transform: translateY(110%);
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero__title .line:nth-child(2) .line__inner { animation-delay: 0.12s; }
@keyframes rise { to { transform: translateY(0); } }

.hero__sub {
  margin-top: 28px;
  max-width: 470px;
  color: var(--ink-dim);
  font-size: 14px;
  opacity: 0;
  animation: fade 0.9s ease 0.5s forwards;
}
@keyframes fade { to { opacity: 1; } }

.hero__cta {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  opacity: 0;
  animation: fade 0.9s ease 0.7s forwards;
}
/* ---------- fixed site header ---------- */
.siteheader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 10px var(--pad);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--hairline);
}
.siteheader__right { display: flex; align-items: center; gap: 14px; }
.siteheader .wordmark__name { font-size: 18px; }
.siteheader .wordmark__dwg { display: none; }
.btn--bar { padding: 7px 14px; font-size: 11px; }
/* the hero already fills the viewport; give its content room under the fixed bar */
.hero__frame { padding-top: clamp(64px, 9vw, 92px); }

/* ---------- contact dialog ---------- */
.contact {
  margin: auto; /* the global margin reset kills dialog's native centering */
  border: 1px solid var(--green);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  padding: 28px clamp(22px, 4vw, 40px);
  max-width: min(480px, 92vw);
}
.contact::backdrop { background: rgba(20, 26, 22, 0.55); backdrop-filter: blur(2px); }
.contact__kicker { font-size: 11px; letter-spacing: 0.2em; color: var(--green); }
.contact__lead { margin: 10px 0 16px; font-size: 13px; color: var(--ink-dim); }
.contact__addr {
  font-size: clamp(14px, 2.6vw, 17px);
  letter-spacing: 0.04em;
  padding: 12px 14px;
  border: 1px dashed var(--dash);
  background: var(--wash);
  margin-bottom: 18px;
  user-select: all;
  overflow-wrap: anywhere;
}
.contact__row { display: flex; flex-wrap: wrap; gap: 10px; }
.contact__row .btn { padding: 9px 16px; font-size: 11px; }
button.benchbar__mail { background: none; border: none; cursor: pointer; color: inherit; font-family: var(--mono); }

.btn {
  display: inline-block;
  white-space: nowrap;
  border: 1px solid var(--green);
  color: var(--green);
  padding: 12px 26px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
  transition: color 0.25s ease;
  background:
    linear-gradient(var(--green) 0 0) left / 0% 100% no-repeat;
  transition: color 0.3s ease, background-size 0.3s ease;
}
.btn:hover {
  color: var(--sel-ink);
  background-size: 100% 100%;
  text-decoration: none;
}
.btn--ghost { border-color: var(--line); color: var(--ink-dim); }
.btn--ghost:hover { color: var(--sel-ink); background: var(--green); border-color: var(--green); }
.sect__ctarow { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- DRO readout ---------- */
.dro {
  position: absolute;
  right: var(--pad);
  bottom: 72px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border: 1px solid #34403a;
  background: rgba(16, 21, 18, 0.92);
  padding: 10px 14px;
  font-size: 13px;
  min-width: 128px;
  color: #50e3a4;
  text-shadow: 0 0 8px rgba(80, 227, 164, 0.35);
}
.dro__row { display: flex; justify-content: space-between; gap: 12px; }
.dro__row b { color: #8fa098; font-weight: 500; }
.dro__unit {
  font-size: 9px;
  letter-spacing: 0.3em;
  color: #8fa098;
  align-self: flex-end;
}

/* ---------- cursor crosshair ---------- */
.xhair {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  background: var(--xhair);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.xhair--h { left: 0; right: 0; height: 1px; }
.xhair--v { top: 0; bottom: 0; width: 1px; }
.hero:hover .xhair { opacity: 1; }

/* ---------- hero baseline strip ---------- */
.hero__dwgname { color: var(--buff); }
.hero__baseline {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px var(--pad);
  border-top: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-dim);
  background: var(--strip);
}

/* ---------- sections ---------- */
.sect {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(90px, 14vh, 150px) var(--pad) 0;
}
.sect:last-of-type { padding-bottom: clamp(90px, 14vh, 150px); }

.sect__title {
  font-family: var(--disp);
  font-weight: 400;
  color: var(--paper);
  font-size: clamp(44px, 6.5vw, 88px);
  line-height: 1.02;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  max-width: 900px;
}
.sect__title > span { display: inline-block; }

/* dimension-line underline on the key word */
.dim-word { position: relative; display: inline-block; }
.dimline {
  position: absolute;
  left: 0; right: 0;
  bottom: -0.28em;
  width: 100%;
  height: 0.22em;
  overflow: visible;
}
.dimline path { stroke: var(--green); fill: none; stroke-width: 2; vector-effect: non-scaling-stroke; }
.dimline__arrow { fill: var(--green); stroke: none; }
.dimline__main, .dimline__ext {
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  transition: stroke-dashoffset 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
}
.dimline__arrow { opacity: 0; transition: opacity 0.4s ease 1.1s; }
.reveal.in .dimline__main, .reveal.in .dimline__ext { stroke-dashoffset: 0; }
.reveal.in .dimline__arrow { opacity: 1; }

.sect__body {
  margin-top: 36px;
  max-width: 620px;
  color: var(--ink-dim);
}
.sect__body p + p { margin-top: 18px; }

.provenance {
  color: var(--ink);
  border-left: 2px solid var(--green);
  padding-left: 16px;
}
.provenance__mark { color: var(--green); margin-right: 6px; }

/* ---------- parts list ---------- */
.plist { margin-top: 8px; }

.plist__cols,
.plist__row {
  display: grid;
  grid-template-columns: 64px 220px 1fr 130px;
  gap: 24px;
  align-items: baseline;
}

.plist__cols {
  font-size: 10px;
  letter-spacing: 0.26em;
  color: var(--ink-dim);
  padding-bottom: 14px;
}
.plist__cols span:last-child { text-align: right; }

.plist__row {
  position: relative;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  transition: background 0.3s ease;
}
.plist__row::before {
  /* animated top border that draws in on reveal */
  content: "";
  position: absolute;
  top: -1px; left: 0;
  height: 1px;
  width: 100%;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0.6;
}
.plist__row.in::before { transform: scaleX(1); }
.plist__row:hover { background: linear-gradient(90deg, var(--wash), transparent 70%); }

.plist__no {
  font-size: 13px;
  color: var(--buff);
}
.plist__name {
  font-family: var(--disp);
  font-weight: 400;
  font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: 0.04em;
  color: var(--ink);
}
.plist__desc { font-size: 13.5px; color: var(--ink-dim); max-width: 520px; }
.plist__iface {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--buff);
  text-align: right;
}

/* ---------- closing contact ---------- */
.sect--close .sect__body {
  margin-top: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}

/* ---------- footer ---------- */
.foot {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}
.foot__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px var(--pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.foot__mark {
  font-family: var(--disp);
  font-size: 15px;
  letter-spacing: 0.14em;
}
.foot__meta { font-size: 12px; color: var(--ink-dim); }
.foot__sep { margin: 0 8px; }

/* ---------- theme toggle ---------- */
.themetoggle {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  padding: 6px 12px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.themetoggle:hover { color: var(--green); border-color: var(--green-deep); }
.benchbar .themetoggle { align-self: flex-start; }
.benchbar__right { display: flex; align-items: baseline; gap: 18px; }

:root[data-theme="dark"] .fchip.is-locked, :root[data-theme="dark"] .fchip.is-dead {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3E%3Cpath d='M6.5 9.5V6.5a3.5 3.5 0 0 1 7 0v3' fill='none' stroke='%23e6ece8' stroke-width='2'/%3E%3Crect x='4.5' y='9.5' width='11' height='8' rx='1.5' fill='%23e6ece8' stroke='%230e1210' stroke-width='1'/%3E%3Ccircle cx='10' cy='13' r='1.4' fill='%230e1210'/%3E%3C/svg%3E") 10 10, not-allowed;
}

/* ---------- reveal engine ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in { opacity: 1; transform: none; }
/* staggered words in titles */
.sect__title.reveal > span {
  opacity: 0;
  transform: translateY(0.5em);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.sect__title.reveal.in > span { opacity: 1; transform: none; }
.sect__title.reveal.in > span:nth-child(2) { transition-delay: 0.08s; }
.sect__title.reveal.in > span:nth-child(3) { transition-delay: 0.16s; }

/* ---------- small screens ---------- */
@media (max-width: 860px) {
  .plist__cols { display: none; }
  .plist__row {
    grid-template-columns: 40px 1fr;
    grid-template-areas:
      "no name"
      "no desc"
      "no iface";
    gap: 8px 16px;
  }
  .plist__no { grid-area: no; }
  .plist__name { grid-area: name; }
  .plist__desc { grid-area: desc; }
  .plist__iface { grid-area: iface; text-align: left; margin-top: 6px; }

  .dro { display: none; }
  .xhair { display: none; }
  .hero { cursor: default; }
  .hero__baseline {
    flex-wrap: wrap;
    row-gap: 4px;
    font-size: 9px;
    letter-spacing: 0.16em;
  }
  .hero__copy { max-width: none; }
  .wordmark__dwg { display: none; }
  .revblock { padding: 6px 10px; gap: 10px; font-size: 10px; }
}



/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__title .line__inner { animation: none; transform: none; }
  .hero__sub, .hero__cta { animation: none; opacity: 1; }
  .reveal, .sect__title.reveal > span {
    opacity: 1; transform: none; transition: none;
  }
  .plist__row::before { transform: none; transition: none; }
  .dimline__main, .dimline__ext { stroke-dashoffset: 0; transition: none; }
  .dimline__arrow { opacity: 1; transition: none; }
}

/* ==========================================================================
   Demo bench (demo.html)
   ========================================================================== */

.benchbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px var(--pad);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--hairline);
}
.benchbar .wordmark { text-decoration: none; }
.benchbar .wordmark:hover .wordmark__name { color: var(--green); }
.benchbar__mail {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding-top: 6px;
}

.bench {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(40px, 7vh, 80px) var(--pad) clamp(90px, 12vh, 140px);
}

.bench__title {
  font-family: var(--disp);
  font-weight: 400;
  color: var(--paper);
  font-size: clamp(52px, 8vw, 110px);
  line-height: 1;
  text-transform: uppercase;
}
.bench__title .line { display: block; overflow: hidden; padding-bottom: 0.06em; }
.bench__title .line__inner {
  display: inline-block;
  transform: translateY(110%);
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.bench__sub {
  margin-top: 20px;
  max-width: none;
  color: var(--ink-dim);
  font-size: 14px;
  opacity: 0;
  animation: fade 0.9s ease 0.4s forwards;
}

/* ---------- query strip ---------- */
.query {
  margin-top: 46px;
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  border: 1px solid var(--line);
  background: var(--card);
  padding: 14px 18px;
  font-size: 13px;
}
.query__label { color: var(--buff); letter-spacing: 0.22em; font-size: 11px; }
.query__text { color: var(--ink); }
.query__result { margin-left: auto; color: var(--ink-dim); font-size: 11px; letter-spacing: 0.14em; }

/* ---------- shared toolbar ---------- */
.benchtool {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 18px 0 0;
}
.benchtool__msg {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #b8352a;
  text-align: right;
}
:root[data-theme="dark"] .benchtool__msg { color: #e0604e; }
.benchtool .btn { padding: 10px 20px; font-size: 12px; }
.benchtool__gen {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.benchtool__genrow { display: inline-flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
.benchtool__genlabel {
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--buff);
}
.benchtool .btn:disabled { opacity: 0.5; cursor: wait; }

/* ---------- facet tree ---------- */
.tree__kicker {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--buff);
}
.panel--designer .query { margin-bottom: 14px; }
.tree {
  border: 1px solid var(--line);
  background: var(--card);
  padding: clamp(16px, 2.4vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.facet { display: flex; gap: 18px; align-items: baseline; }
.facet__label {
  flex: 0 0 118px;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--buff);
  padding-top: 5px;
}
.facet__chips { display: flex; flex-wrap: wrap; gap: 7px; }
.fchip {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 5px 11px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.fchip i {
  font-style: normal;
  color: var(--ink-dim);
  margin-left: 7px;
  font-size: 10px;
}
.fchip:hover { border-color: var(--green-deep); }
.fchip.is-on {
  border-color: var(--green);
  background: var(--wash-strong);
  color: var(--green);
}
.fchip.is-on i { color: var(--green-deep); }
/* a small padlock cursor for locked and sample-limited chips */
.fchip.is-locked, .fchip.is-dead {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3E%3Cpath d='M6.5 9.5V6.5a3.5 3.5 0 0 1 7 0v3' fill='none' stroke='%232c332d' stroke-width='2'/%3E%3Crect x='4.5' y='9.5' width='11' height='8' rx='1.5' fill='%232c332d' stroke='%23eae4d3' stroke-width='1'/%3E%3Ccircle cx='10' cy='13' r='1.4' fill='%23eae4d3'/%3E%3C/svg%3E") 10 10, not-allowed;
}
.fchip.is-dead { opacity: 0.24; }
.fchip--more, .fchip--clear { color: var(--ink-dim); border-style: dashed; }
.facet--foot { justify-content: flex-end; display: flex; }

/* ---------- results ---------- */
.results { margin-top: 26px; border: 1px solid var(--line); }
.results__head, .rrow {
  display: grid;
  grid-template-columns: 1.5fr 1.4fr 0.6fr 0.8fr 1.1fr 0.7fr;
  gap: 14px;
  align-items: baseline;
  padding: 9px 14px;
  text-align: left;
}
.results__head {
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: var(--ink-dim);
  background: var(--wash);
  border-bottom: 1px solid var(--line);
}
.rrow {
  width: 100%;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  background: none;
  border: none;
  border-bottom: 1px solid var(--hairline);
  cursor: pointer;
  transition: background 0.15s ease;
}
.rrow:hover { background: var(--wash); }
.rrow__mpn { color: var(--green); }
.rrow span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rrow__badges { text-align: right; }
.badge {
  font-style: normal;
  font-size: 9px;
  letter-spacing: 0.12em;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  padding: 1px 6px;
  margin-left: 5px;
}
.badge--cage { border-color: var(--green-deep); color: var(--green); }
.results__empty { padding: 22px 14px; color: var(--ink-dim); font-size: 13px; }

/* Purchaser live search: gated search bar + 4-column rows */
.livesearch { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); }
.livebar--auth .livebar__input--user { flex: 0 1 170px; }
.livebar--auth .livebar__input--pass { flex: 0 1 170px; }
.livebar--auth.is-unlocked .livebar__input,
.livebar--auth.is-unlocked #live-unlock { display: none; }

.livebar { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.livebar__input, .livebar__select {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink);
  background: var(--wash);
  border: 1px solid var(--line);
  padding: 9px 12px;
}
.livebar__input { flex: 2 1 260px; }
.livebar__select { flex: 1 1 200px; max-width: 320px; }
.livebar__input:focus, .livebar__select:focus { outline: 1px solid var(--green); }
.results__head--live, .rrow--live {
  grid-template-columns: 1.1fr 1.1fr 1fr 1.8fr 0.5fr;
}
.rrow--live span:last-child { text-align: right; color: var(--green); }
.rrow__match { color: var(--green); letter-spacing: 0.04em; }
.results__more {
  width: 100%;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  background: none;
  border: none;
  border-top: 1px solid var(--line);
  color: var(--green);
  padding: 11px;
  cursor: pointer;
}
.results__more:hover { background: var(--wash); }

.panel--designer .sheet { margin-top: 30px; }

/* ---------- mode tabs ---------- */
.modes {
  display: flex;
  gap: 0;
  margin-top: 40px;
  border-bottom: 1px solid var(--line);
}
.mode {
  font-family: var(--disp);
  font-size: clamp(18px, 2.2vw, 26px);
  letter-spacing: 0.06em;
  background: none;
  border: none;
  color: var(--ink-dim);
  padding: 10px 26px 12px;
  cursor: pointer;
  position: relative;
  transition: color 0.25s ease;
}
.mode::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.mode:hover { color: var(--ink); }
.mode.is-on { color: var(--ink); }
.mode.is-on::after { transform: scaleX(1); }

.panel { padding-top: 40px; }
.panel__note {
  margin-top: 22px;
  max-width: 560px;
  color: var(--ink-dim);
  font-size: 12.5px;
}

/* ---------- DESIGNER: spec sheet ---------- */
.sheet {
  border: 1px solid var(--line);
  background: var(--card);
  padding: clamp(20px, 3vw, 36px);
}
.sheet__head {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.sheet__kicker { font-size: 10px; letter-spacing: 0.22em; color: var(--buff); text-transform: uppercase; }
.sheet__mpn {
  font-family: var(--disp);
  font-weight: 400;
  font-size: clamp(30px, 4vw, 52px);
  letter-spacing: 0.03em;
  color: var(--green);
  margin-top: 6px;
}
.sheet__desc { max-width: 480px; color: var(--ink-dim); font-size: 13px; margin-top: 10px; }
.sheet__supplier { display: flex; flex-direction: column; gap: 6px; min-width: 260px; }
.sheet__suplabel { font-size: 10px; letter-spacing: 0.22em; color: var(--buff); }
.sheet__supname { font-size: 15px; }
.sheet__cage { display: flex; flex-direction: column; gap: 2px; margin-top: 6px; }
.cage-yes { color: var(--green); font-size: 13px; letter-spacing: 0.08em; }
.cage-detail { color: var(--ink); font-size: 11.5px; }
.cage-src { color: var(--ink-dim); font-size: 10.5px; }
.cage-no { color: var(--ink-dim); font-size: 12px; font-style: italic; }

.sheet__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 0 36px;
  margin-top: 8px;
}
.spec {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--dash);
  font-size: 12.5px;
  opacity: 0;
  animation: fade 0.5s ease forwards;
  animation-delay: calc(var(--i) * 22ms);
}
.spec__k { color: var(--ink-dim); }
.spec__v { color: var(--ink); text-align: right; }

.sheet__assets { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 24px; font-size: 12px; letter-spacing: 0.08em; }
.sheet__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.px__label { color: var(--ink-dim); letter-spacing: 0.12em; font-size: 11px; }
.px__tier { color: var(--ink); }
.px__tier i { color: var(--ink-dim); font-style: normal; }
.px__tier b { color: var(--ink-dim); font-weight: 500; margin-left: 6px; }
.px__best { margin-left: auto; color: var(--green); letter-spacing: 0.08em; font-size: 11px; }
.px__best b { color: var(--green); font-weight: 600; font-size: 14px; margin-left: 4px; }
.px__date { width: 100%; color: var(--ink-dim); font-size: 10px; letter-spacing: 0.06em; }
.sheet__prov {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
}

/* ---------- side by side ---------- */
.compare { margin-top: 54px; }
.compare__title {
  font-family: var(--disp);
  font-weight: 400;
  color: var(--paper);
  font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}
.compare__table { border: 1px solid var(--line); }
.crow {
  display: grid;
  grid-template-columns: 130px repeat(var(--cols, 2), 1fr);
  gap: 16px;
  padding: 9px 16px;
  font-size: 12.5px;
  border-bottom: 1px solid rgba(31, 105, 72, 0.14);
}
.crow:last-child { border-bottom: none; }
.crow--head { background: var(--wash); padding: 14px 16px; }
.crow--head .crow__v { color: var(--green); font-size: 11px; letter-spacing: 0.14em; }
.crow--head .crow__v i { color: var(--ink); font-style: normal; letter-spacing: 0; }
.crow__l { color: var(--ink-dim); font-size: 10.5px; letter-spacing: 0.18em; align-self: center; }
.crow__v { color: var(--ink); }
.compare__note { margin-top: 14px; font-size: 12px; color: var(--ink-dim); max-width: 560px; }

/* ---------- API terminal ---------- */
.term { border: 1px solid #34403a; background: #10140f; }
.term__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid #26302a;
}
.term__dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(80, 227, 164, 0.3); }
.term__note { margin-left: 10px; font-size: 10.5px; letter-spacing: 0.14em; color: #8fa098; }
.term__copy, .term__run {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  background: none;
  border: 1px solid #34403a;
  color: #50e3a4;
  padding: 5px 12px;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.term__run { margin-left: 8px; border-color: #50e3a4; }
.term__copy:hover { border-color: #50e3a4; }
.term__run:hover { background: #50e3a4; color: #08130d; }

.term__body--split { display: flex; flex-direction: column; gap: 8px; }
.term__label {
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: #b3a878;
  text-transform: uppercase;
}
.term__input {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: #dce4dc;
  background: rgba(80, 227, 164, 0.05);
  border: 1px dashed rgba(80, 227, 164, 0.3);
  padding: 12px;
  resize: vertical;
  outline: none;
  min-height: 168px;
  flex-shrink: 0;
}
.term__input:focus { border-color: #50e3a4; border-style: solid; }
.term__out {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  max-height: 420px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: #97a49a;
}
.term__body {
  margin: 0;
  padding: 18px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  max-height: 520px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.term__prompt { color: #50e3a4; }
.term__body .tk { color: #50e3a4; font-style: normal; }
.term__body .tv { color: #dce4dc; font-style: normal; }
.term__body code { color: var(--ink-dim); }

/* ---------- AI exchange ---------- */
.chat { border: 1px solid var(--line); background: var(--card); padding: clamp(18px, 3vw, 30px); }
.chat__tag {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-dim);
  margin-bottom: 22px;
}
.chat__msg { display: flex; gap: 18px; align-items: baseline; }
.chat__msg + .chat__msg { margin-top: 22px; padding-top: 22px; border-top: 1px dashed var(--dash); }
.chat__who { flex: 0 0 52px; font-size: 10px; letter-spacing: 0.18em; color: var(--ink-dim); }
.chat__msg--agent .chat__who { color: var(--green); }
.chat__msg p { font-size: 13.5px; max-width: 640px; }
.chat__msg--user p { color: var(--ink-dim); }
.chat__msg--agent { flex-wrap: wrap; }
.chat__cites {
  flex-basis: 100%;
  display: flex;
  gap: 18px;
  margin-top: 14px;
  margin-left: 70px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

@media (max-width: 860px) {
  .crow { grid-template-columns: 78px repeat(var(--cols, 2), 1fr); gap: 10px; padding: 9px 10px; font-size: 11px; }
  .crow__l { font-size: 9px; }
  .sheet__grid { grid-template-columns: 1fr; }
  .mode { padding: 10px 18px 12px; }
  .query__result { margin-left: 0; }
  .facet { flex-direction: column; gap: 8px; }
  .facet__label { flex: none; padding-top: 0; }
  .results__head, .rrow { grid-template-columns: 1.3fr 1.3fr 0.6fr 0.8fr; gap: 8px; padding: 8px 10px; }
  .results__head span:nth-child(5), .results__head span:nth-child(4),
  .rrow span:nth-child(5), .rrow span:nth-child(4) { display: none; }
  .results__head span:nth-child(6), .rrow span:nth-child(6) { display: block; }
  .benchtool__msg { margin-left: 0; flex-basis: 100%; order: 3; }
}

@media (prefers-reduced-motion: reduce) {
  .bench__title .line__inner { animation: none; transform: none; }
  .bench__sub { animation: none; opacity: 1; }
  .spec { animation: none; opacity: 1; }
  .mode::after { transition: none; }
}

/* ==========================================================================
   Purchaser panel
   ========================================================================== */

.paste {
  border: 1px solid var(--line);
  background: var(--card);
  padding: clamp(16px, 2.4vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.paste__label {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--buff);
}
.paste__box {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink);
  background: transparent;
  border: 1px dashed var(--dash);
  padding: 12px;
  resize: vertical;
  outline: none;
  min-height: 150px;
}
.paste__box:focus { border-color: var(--green); border-style: solid; }
.paste__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.paste__hint {
  margin-left: auto;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--ink-dim);
}
.paste__bar .btn { padding: 9px 18px; font-size: 12px; }

.buyread {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.buyread__label {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--buff);
}
.buyread__chip {
  font-size: 11px;
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  padding: 4px 10px;
  color: var(--ink-dim);
}
.buyread__chip b { color: var(--green); font-weight: 600; }
.buyread__warn {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #a2762a;
}

.results--buy { margin-top: 18px; }
.results__head--buy, .brow {
  display: grid;
  grid-template-columns: 1.9fr 1.4fr 0.9fr 0.9fr 0.9fr 0.9fr 0.7fr;
  gap: 12px;
  align-items: baseline;
  padding: 9px 14px;
}
/* the three PRICE/QTY headers + UNIT PRICE sit over right-aligned money cells */
.results__head--buy span:nth-child(n + 3):nth-child(-n + 6) { text-align: right; }
.brow__price {
  text-align: right;
  color: var(--green);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
/* unit price (child 6) is the takeaway: brighter and a touch bolder */
.brow span:nth-child(6) { font-weight: 600; }
.brow__price i { font-style: normal; font-size: 10px; color: var(--ink-dim); }
.brow__date { font-size: 11px; color: var(--ink-dim); }
.brow .badge { padding: 1px 4px; letter-spacing: 0.06em; margin-left: 4px; }
.panel--buy .panel__note { max-width: none; }
.brow {
  font-size: 12px;
  border-bottom: 1px solid var(--hairline);
}
.brow:last-child { border-bottom: none; }
.brow span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* supplier names can run long (…& INDUSTRIAL SUPPLY, LLC) — wrap, never truncate */
.brow span:first-child { white-space: normal; overflow: visible; text-overflow: clip; }

@media (max-width: 860px) {
  /* narrow: keep supplier, MPN (the link), and the unit price (child 6) */
  .results__head--buy, .brow { grid-template-columns: 1.4fr 1.1fr 0.7fr; }
  .results__head--buy span:nth-child(3), .brow span:nth-child(3),
  .results__head--buy span:nth-child(4), .brow span:nth-child(4),
  .results__head--buy span:nth-child(5), .brow span:nth-child(5),
  .results__head--buy span:nth-child(7), .brow span:nth-child(7) { display: none; }
  .results__head--buy span:nth-child(6), .brow span:nth-child(6) { display: block; text-align: right; }
  .benchtool__gen { align-items: flex-start; margin-left: 0; }
  .benchtool__genrow { justify-content: flex-start; }
  .paste__hint { display: none; }
}

/* ---------- per-category setup block on the API tab (tree.js renders it) ---------- */
.apicats { margin-top: 40px; }
.apicats__fam { margin-top: 22px; padding-top: 14px; border-top: 1px dashed color-mix(in srgb, currentColor 25%, transparent); }
.apicats__head { font-size: 13px; letter-spacing: 0.04em; margin-bottom: 8px; }
.apicats__type { display: grid; grid-template-columns: 210px 1fr; gap: 10px; font-size: 12px; opacity: 0.85; padding: 3px 0; }
@media (max-width: 700px) { .apicats__type { grid-template-columns: 1fr; gap: 2px; } }

/* sign-in dialog inputs sit on the contact-dialog frame */
#signin-dialog .livebar__input { min-width: 0; flex: 1; }

/* ---------- the paste-into-your-AI callout ----------
   This is the highest-intent thing on the page: the one block a skeptic copies to
   prove the product to themselves. It was rendered in .term__out (dim grey, reads as
   console OUTPUT) and disappeared into the page. It is an INSTRUCTION, so it gets a
   drafting-callout frame: green rule, tinted paper, a corner tag, and real ink. */
.aiprompt {
  position: relative;
  margin-top: 26px;
  /* The prompt is the point of the section, so it gets the full column and then some.
     It used to hard-wrap at ~72 characters inside a 1200px box, which left a dead
     gutter down the right and made the whole thing read as an afterthought. */
  width: 100%;
  padding: 34px 34px 28px;
  border: 2px solid var(--green);
  background: color-mix(in srgb, var(--green) 6%, var(--bg));
  box-shadow: 6px 6px 0 color-mix(in srgb, var(--green) 14%, transparent);
}
/* the tag rides the top rule, like a callout bubble on a drawing */
.aiprompt__tag {
  position: absolute;
  top: -9px;
  left: 20px;
  padding: 2px 10px;
  background: var(--green);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
}
.aiprompt__text {
  margin: 0;
  font-family: var(--mono);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.75;
  color: var(--ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.aiprompt__foot {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.aiprompt__hint {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-dim);
}
@media (max-width: 640px) {
  .aiprompt { padding: 28px 18px 20px; }
  .aiprompt__text { font-size: 13px; }
}