:root {
  --font-serif: "Newsreader", "Iowan Old Style", Palatino, Georgia, serif;
  --font-sans: "Source Sans 3", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --phone-w: 22.4rem;
  --phone-h: 44.5rem;
}

html[data-scheme="dark"] {
  color-scheme: dark;
  --bg: #0b0c0f;
  --bg-2: #14161c;
  --ink: #ece8e0;
  --muted: #8f8a80;
  --line: #2a2d36;
  --a: #7eb0d4;
  --b: #d4a0b4;
  --signal: #6dcfb0;
  --warn: #d4a574;
  --quiet: #3a3d46;
  --bezel: #0a0b0e;
  --bezel-edge: #2a2d33;
  --chat-top: #1f2c34;
  --chat-ink: #e9edef;
  --chat-muted: #8696a0;
  --thread: #0b141a;
  --in: #202c33;
  --out: #005c4b;
  --tick: #8696a0;
  --tick-read: #53bdeb;
  --composer: #1d282f;
}

html[data-scheme="light"] {
  color-scheme: light;
  --bg: #eef0eb;
  --bg-2: #fbfcfa;
  --ink: #14161a;
  --muted: #5c6158;
  --line: #d3d6ce;
  --a: #245a82;
  --b: #8a3d5c;
  --signal: #17684e;
  --warn: #8a5a22;
  --quiet: #c9cdc4;
  --bezel: #1a1c20;
  --bezel-edge: #3a3d44;
  --chat-top: #008069;
  --chat-ink: #ffffff;
  --chat-muted: #d0ebe4;
  --thread: #efeae2;
  --in: #ffffff;
  --out: #d9fdd3;
  --tick: #667781;
  --tick-read: #53bdeb;
  --composer: #f0f2f5;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  background:
    radial-gradient(1100px 420px at 8% -12%, color-mix(in oklab, var(--a) 12%, transparent), transparent 55%),
    radial-gradient(900px 380px at 96% 0%, color-mix(in oklab, var(--b) 9%, transparent), transparent 50%),
    var(--bg);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 20;
  background: var(--bg-2);
  color: var(--ink);
  padding: 0.4rem 0.7rem;
}

.skip:focus {
  top: 0.75rem;
}

.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1rem;
  min-height: 3.1rem;
  padding: 0.45rem 1rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 8;
}

.wordmark {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
}

.kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  flex: 1 1 6rem;
}

.toggle,
.link {
  font-size: 0.88rem;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  user-select: none;
}

.toggle input {
  accent-color: var(--signal);
}

.link {
  color: var(--muted);
  text-decoration: none;
}

.link:hover {
  color: var(--ink);
}

.theme {
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--ink);
  border-radius: 999px;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
}

.theme-icon {
  width: 0.95rem;
  height: 0.95rem;
  border: 1.5px solid currentColor;
  border-radius: 999px;
  position: relative;
}

html[data-theme="light"] .theme-icon {
  box-shadow: 3px -3px 0 -1px currentColor inset;
}

html[data-theme="dark"] .theme-icon {
  background: currentColor;
}

html[data-theme="system"] .theme-icon::after {
  content: "";
  position: absolute;
  inset: 0 50% 0 0;
  background: currentColor;
}

html,
body {
  overflow: hidden;
}

.app {
  position: relative;
  height: calc(100dvh - 3.2rem);
  overflow: hidden;
}

.stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  justify-content: center;
  justify-items: center;
  align-items: start;
  column-gap: clamp(4rem, 10vw, 9rem);
  row-gap: 1.5rem;
  padding: 0.7rem clamp(1.2rem, 4vw, 3.5rem) 1rem;
  padding-left: max(1.2rem, env(safe-area-inset-left));
  padding-right: max(1.2rem, env(safe-area-inset-right));
  max-width: 78rem;
  margin: 0 auto;
  width: 100%;
  height: 100%;
}

.app[data-protocol="on"] .stage {
  grid-template-columns: minmax(16rem, 22rem) minmax(17rem, 24rem) minmax(16rem, 22rem);
  column-gap: 1.4rem;
  max-width: 88rem;
}

.agent {
  min-width: 0;
  width: min(var(--phone-w), 100%);
  display: grid;
  justify-items: center;
  gap: 1.65rem;
  transition: opacity 0.35s ease, filter 0.35s ease;
}

.endpoint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.agent.is-a .endpoint {
  color: color-mix(in oklab, var(--a) 70%, var(--muted));
}

.agent.is-b .endpoint {
  color: color-mix(in oklab, var(--b) 70%, var(--muted));
}

.foot {
  width: 100%;
}

.plaque {
  display: grid;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem 0.58rem;
  background: color-mix(in oklab, var(--bg-2) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
}

.plaque.is-open {
  border-color: color-mix(in oklab, var(--signal) 42%, var(--line));
}

.strip {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.strip strong {
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cal {
  width: 100%;
  border: 0;
}

.cal summary {
  list-style: none;
  cursor: pointer;
}

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

.cal ul {
  margin: 0.45rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.22rem;
}

.cal li {
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  font-size: 0.8rem;
  color: var(--ink);
}

.cal .when {
  color: var(--muted);
}

.machine {
  display: grid;
  gap: 0.32rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

.machine-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
}

.machine-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.ports {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.port {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.5rem 0.2rem 0.4rem;
  border-radius: 999px;
  background: color-mix(in oklab, var(--bg) 55%, transparent);
}

.dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--quiet);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--ink) 12%, transparent);
}

.port.is-open {
  color: var(--signal);
  background: color-mix(in oklab, var(--signal) 14%, transparent);
}

.port.is-open .dot {
  background: var(--signal);
  box-shadow: 0 0 0.55rem color-mix(in oklab, var(--signal) 55%, transparent);
}

.port.is-flash {
  outline: 1px solid color-mix(in oklab, var(--signal) 50%, transparent);
}

.payoff {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
}

.remote {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.remote.is-live {
  color: var(--signal);
}

.phones {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 1.4rem 2rem;
  padding: 1.2rem 1rem 0.4rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}

.device {
  margin: 0;
  width: min(var(--phone-w), 100%);
}

.device figcaption {
  margin: 0.55rem 0 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.device.is-j figcaption {
  color: var(--a);
}

.device.is-m figcaption {
  color: var(--b);
}

.bezel {
  background: linear-gradient(160deg, var(--bezel-edge), var(--bezel) 40%, #07080a);
  border-radius: 2.15rem;
  padding: 0.62rem 0.48rem 0.7rem;
  box-shadow:
    0 0 0 1px color-mix(in oklab, var(--bezel-edge) 70%, black),
    0 22px 50px rgb(0 0 0 / 0.38);
}

.agent .device {
  width: 100%;
}

.agent.is-a .device {
  transform: rotate(-2.2deg);
  transform-origin: 70% 8%;
}

.agent.is-b .device {
  transform: rotate(2.2deg);
  transform-origin: 30% 8%;
}

.app[data-protocol="on"] .agent.is-a .device {
  transform: rotate(-1deg);
}

.app[data-protocol="on"] .agent.is-b .device {
  transform: rotate(1deg);
}

.app[data-climax="on"] .agent {
  opacity: 0.38;
  filter: saturate(0.7);
}

.app[data-climax="on"] .agree {
  opacity: 0.28;
}

.app[data-climax="on"] .mid {
  opacity: 0.32;
  filter: saturate(0.75);
}

.app[data-climax="on"] .agent.is-b {
  opacity: 0.55;
}

.climax {
  position: absolute;
  inset: 3.2rem 0 0;
  z-index: 6;
  display: grid;
  place-items: center;
  padding: 1rem;
  pointer-events: none;
  background: color-mix(in oklab, var(--bg) 28%, transparent);
}

.climax[hidden] {
  display: none;
}

.climax-card {
  width: min(22rem, calc(100% - 2rem));
  padding: 1.35rem 1.55rem 1.25rem;
  text-align: center;
  background: color-mix(in oklab, var(--bg-2) 94%, transparent);
  backdrop-filter: blur(14px);
  border: 1px solid color-mix(in oklab, var(--signal) 38%, var(--line));
  border-radius: 1rem;
  box-shadow:
    0 0 0 1px color-mix(in oklab, var(--signal) 12%, transparent),
    0 22px 55px rgb(0 0 0 / 0.28);
  display: grid;
  gap: 0.35rem;
  justify-items: center;
  animation: climax-in 0.5s ease;
}

@keyframes climax-in {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(0.5rem);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.climax-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
}

.climax-app {
  margin: 0.15rem 0 0;
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 600;
}

.climax-arrow {
  margin: 0.15rem 0;
  color: var(--signal);
  font-size: 1.4rem;
}

.climax-who,
.climax-effect {
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.climax-who {
  font-size: 0.78rem;
  color: var(--muted);
}

.climax-effect {
  font-size: 1.05rem;
  color: var(--signal);
}

@media (prefers-reduced-motion: reduce) {
  .climax-card {
    animation: none;
  }
}

.phone {
  position: relative;
  height: calc(100dvh - 16.6rem);
  min-height: 0;
  border-radius: 1.65rem;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--thread);
}

.island {
  position: absolute;
  top: 0.42rem;
  left: 50%;
  width: 6.4rem;
  height: 1.15rem;
  transform: translateX(-50%);
  background: #0a0b0e;
  border-radius: 999px;
  z-index: 3;
}

.chat-top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.55rem;
  padding: 1.55rem 0.75rem 0.55rem;
  background: var(--chat-top);
  color: var(--chat-ink);
  z-index: 2;
}

.avatar {
  width: 2.05rem;
  height: 2.05rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 0.82rem;
  font-weight: 600;
  background: color-mix(in oklab, var(--chat-ink) 16%, var(--chat-top));
}

.avatar.is-j {
  background: color-mix(in oklab, var(--a) 62%, #333);
  color: #fff;
}

.avatar.is-m {
  background: color-mix(in oklab, var(--b) 62%, #333);
  color: #fff;
}

.who {
  display: grid;
  min-width: 0;
}

.who strong {
  font-size: 0.95rem;
  font-weight: 600;
}

.who span {
  font-size: 0.72rem;
  color: var(--chat-muted);
}

.res {
  max-width: 7.4rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  line-height: 1.25;
  text-align: right;
  color: var(--chat-muted);
}

.res .value {
  display: block;
  color: var(--chat-ink);
  word-break: break-all;
}

.res.is-secret .value {
  filter: blur(4px);
  user-select: none;
}

.res button {
  margin-top: 0.15rem;
  font: inherit;
  font-size: 0.6rem;
  border: 1px solid color-mix(in oklab, var(--chat-ink) 25%, transparent);
  background: transparent;
  color: var(--chat-muted);
  border-radius: 999px;
  padding: 0.05rem 0.4rem;
  cursor: pointer;
}

.thread {
  overflow: auto;
  padding: 0.7rem 0.55rem 0.85rem;
  background:
    radial-gradient(circle at 12% 8%, color-mix(in oklab, var(--a) 8%, transparent), transparent 28%),
    radial-gradient(circle at 88% 92%, color-mix(in oklab, var(--b) 8%, transparent), transparent 26%),
    var(--thread);
}

.day {
  display: block;
  width: fit-content;
  margin: 0.15rem auto 0.65rem;
  padding: 0.18rem 0.5rem;
  border-radius: 0.45rem;
  background: color-mix(in oklab, var(--in) 88%, black);
  color: var(--chat-muted);
  font-size: 0.68rem;
}

.msg {
  display: flex;
  align-items: flex-end;
  gap: 0.35rem;
  margin: 0.35rem 0;
  max-width: 100%;
}

.msg.in {
  justify-content: flex-start;
}

.msg.out {
  justify-content: flex-end;
}

.msg .face {
  width: 1.55rem;
  height: 1.55rem;
  flex: none;
  font-size: 0.68rem;
}

.bubble {
  max-width: calc(84% - 1.8rem);
  width: fit-content;
  padding: 0.38rem 0.5rem 0.22rem 0.55rem;
  border-radius: 0.7rem;
  font-size: 0.9rem;
  line-height: 1.35;
  color: var(--chat-ink);
  box-shadow: 0 1px 1px rgb(0 0 0 / 0.12);
}

html[data-scheme="light"] .bubble {
  color: #111b21;
}

.bubble p {
  margin: 0;
}

.bubble.in {
  background: var(--in);
  border-top-left-radius: 0.2rem;
}

.bubble.out {
  background: var(--out);
  margin-left: auto;
  border-top-right-radius: 0.2rem;
}

.bubble.is-now {
  outline: 1px solid color-mix(in oklab, var(--signal) 45%, transparent);
}

.meta {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.2rem;
  margin: 0.12rem 0 0;
  color: var(--chat-muted);
  font-size: 0.65rem;
}

.ticks {
  width: 1.05rem;
  height: 0.7rem;
  display: inline-block;
}

.ticks path {
  fill: none;
  stroke: var(--tick);
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ticks.is-read path {
  stroke: var(--tick-read);
}

.ticks.is-sent .t2 {
  display: none;
}

.bubble.in .ticks path {
  stroke: var(--tick);
}

.bubble.in .ticks.is-read path {
  stroke: var(--tick-read);
}

.composer {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.55rem 0.7rem;
  background: var(--composer);
}

.compose {
  flex: 1;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  background: color-mix(in oklab, var(--in) 70%, var(--composer));
  color: var(--chat-muted);
  font-size: 0.88rem;
}

.send {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #00a884;
  color: #fff;
  font-size: 0.85rem;
}

.mid {
  width: min(26rem, 100%);
  align-self: start;
  margin-top: 2.35rem;
  height: calc(100dvh - 17.2rem);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.45rem;
  min-width: 0;
}

.app[data-protocol="off"] .mid,
.mid[hidden] {
  display: none;
}

.agree {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 0.55rem 0.62rem 0.58rem;
  box-shadow: 0 18px 40px rgb(0 0 0 / 0.08);
}

.ncmp {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 0.55rem 0.62rem 0.5rem;
  box-shadow: 0 18px 40px rgb(0 0 0 / 0.08);
  border-top: 3px solid var(--signal);
}

.ncmp-top {
  flex: none;
}

.ncmp-mid {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.55rem;
  margin: 0.45rem 0;
  padding: 0.55rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ncmp-foot {
  flex: none;
  padding-top: 0.35rem;
}

.wire-panel {
  display: grid;
  gap: 0.55rem;
}

.wire-line {
  display: grid;
  grid-template-columns: 5rem 1fr;
  align-items: baseline;
  gap: 0.55rem;
  margin: 0;
  font-family: var(--font-mono);
}

.wire-k {
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.wire-v {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.2vh, 1.45rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
}

.wire-line.is-on .wire-v {
  color: var(--signal);
}

.ncmp-mid .codebook-inline {
  font-size: 0.62rem;
  line-height: 1.4;
}

.hero-kicker {
  margin: 0 0 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-msg {
  margin: 0 0 0.4rem;
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.4vh, 1.35rem);
  font-weight: 600;
  line-height: 1.15;
}

.meter-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.28rem;
}

.meter {
  flex: 1;
  height: 0.32rem;
  border-radius: 999px;
  background: color-mix(in oklab, var(--quiet) 70%, transparent);
  overflow: hidden;
}

.meter span {
  display: block;
  height: 100%;
  background: var(--signal);
}

.bit-progress {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--muted);
  white-space: nowrap;
}

.ncmp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 0.55rem;
  row-gap: 0.14rem;
}

.codebook-inline {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  line-height: 1.35;
  color: var(--muted);
}

.codebook-inline .cb-k {
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.codebook-inline .cb-sep {
  opacity: 0.45;
}

.codebook-inline .cb {
  color: var(--muted);
}

.codebook-inline .cb.is-on {
  color: var(--signal);
}

.bit-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--muted);
  opacity: 0.85;
}

.agree-spec {
  margin: 0 0 0.45rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.14rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.agree-spec .spec-row {
  display: grid;
  grid-template-columns: 5.6rem 1fr;
  gap: 0.35rem;
  align-items: baseline;
}

.agree-spec dt {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.agree-spec dd {
  margin: 0;
  color: var(--ink);
}

.agree-sub {
  margin: 0 0 0.28rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.agree-forms {
  margin: 0;
  display: grid;
  gap: 0.14rem;
}

.agree-forms dd {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.66rem;
  line-height: 1.25;
}

.agree .wire {
  display: inline-flex;
  align-items: center;
  gap: 0.24rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  white-space: nowrap;
  color: var(--ink);
}

.agree .wire-act {
  font-weight: 600;
}

.agree .wire-res {
  color: var(--muted);
  font-weight: 400;
}

.agree .wire-arg {
  color: var(--signal);
  font-weight: 500;
}

.agree .label,
.ncmp .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}

.agree .label {
  margin: 0 0 0.38rem;
}

.ncmp .label {
  margin: 0 0 0.28rem;
}

.ncmp .row {
  grid-template-columns: 4.6rem 1fr;
  gap: 0.28rem;
  font-size: 0.66rem;
}

.rows {
  display: grid;
  gap: 0.28rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.row {
  display: grid;
  grid-template-columns: 7.2rem 1fr;
  gap: 0.4rem;
}

.row .k {
  color: var(--muted);
}

.row.is-on .v {
  color: var(--signal);
}

.pole-row,
.body-rows {
  margin-top: 0.45rem;
}

.pair {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.05rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.chip.is-on {
  border-color: color-mix(in oklab, var(--signal) 55%, var(--line));
  color: var(--signal);
}

.bits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.12rem;
  margin: 0;
}

.bit {
  width: 0.92rem;
  height: 1.05rem;
  border: 1px solid var(--quiet);
  border-radius: 0.22rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.bit.is-on {
  border-color: var(--signal);
  color: var(--signal);
}

.bit.is-act.is-on {
  border-color: color-mix(in oklab, var(--a) 55%, var(--line));
  color: var(--a);
}

.bit.is-res.is-on {
  border-color: color-mix(in oklab, var(--b) 55%, var(--line));
  color: var(--b);
}

.bit.is-arg.is-on {
  border-color: var(--signal);
  color: var(--signal);
}

.bit.is-new {
  background: color-mix(in oklab, var(--signal) 16%, transparent);
}

.bit.is-act.is-new {
  background: color-mix(in oklab, var(--a) 18%, transparent);
}

.bit.is-res.is-new {
  background: color-mix(in oklab, var(--b) 18%, transparent);
}

.banner {
  margin: 0 0 0.5rem;
  padding: 0.35rem 0.5rem;
  border-radius: 0.45rem;
  background: color-mix(in oklab, var(--signal) 14%, var(--bg-2));
  border: 1px solid color-mix(in oklab, var(--signal) 35%, var(--line));
}

.banner strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.banner p,
.note {
  margin: 0.15rem 0 0;
}

.note {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.object {
  margin-top: 0.4rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

.agreement {
  max-width: 52rem;
  margin: 0.4rem auto 0;
  padding: 0 1.1rem;
  padding-left: max(1.1rem, env(safe-area-inset-left));
  padding-right: max(1.1rem, env(safe-area-inset-right));
}

.agreement h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
}

.agreement .lead {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.forms {
  display: grid;
  gap: 0.55rem;
}

.form {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.85rem;
  align-items: baseline;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--bg-2);
}

.form.is-on {
  border-color: color-mix(in oklab, var(--signal) 50%, var(--line));
}

.form .tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.form .shape {
  font-family: var(--font-mono);
  font-size: 0.92rem;
}

.form .meaning,
.form .live {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.form .live {
  color: var(--signal);
  font-family: var(--font-mono);
}

.transport {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.35rem;
}

.transport button {
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  min-width: 2.4rem;
}

.transport button:disabled {
  opacity: 0.4;
  cursor: default;
}

#play {
  min-width: 4.4rem;
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.step {
  margin: 0 0.15rem 0 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
}

.hint {
  display: none;
}

@media (max-width: 1100px) {
  .stage,
  .app[data-protocol="on"] .stage {
    grid-template-columns: 1fr;
    column-gap: 0;
    max-width: 28rem;
  }

  .agent.is-a .device,
  .agent.is-b .device,
  .app[data-protocol="on"] .agent.is-a .device,
  .app[data-protocol="on"] .agent.is-b .device {
    transform: none;
  }

  .mid {
    position: static;
    max-height: none;
    width: 100%;
    order: 2;
  }

  .agent.is-b {
    order: 3;
  }

  .phone {
    height: min(34rem, 58dvh);
    min-height: 18rem;
  }

  html,
  body,
  .app {
    overflow: auto;
    height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .agent.is-a .device,
  .agent.is-b .device,
  .app[data-protocol="on"] .agent.is-a .device,
  .app[data-protocol="on"] .agent.is-b .device {
    transform: none;
  }
}