:root {
  --paper: #eee9dc;
  --ink: #141412;
  --muted: #666258;
  --signal: #f04b2f;
  --process: #3155d9;
  --line: rgba(20, 20, 18, 0.22);
  --rule: rgba(20, 20, 18, 0.12);
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --canvas: var(--paper);
  --accent: var(--signal);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  z-index: 20;
  background: var(--signal);
  color: var(--paper);
  padding: 8px 12px;
  text-decoration: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.skip:focus { top: 12px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 10px clamp(16px, 3vw, 40px);
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 8;
}
.mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.18em;
}
.mark-reg {
  width: 9px;
  height: 9px;
  background: var(--signal);
  display: inline-block;
}
.tag {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.top-nav { display: flex; gap: 0; }
.top-nav button {
  background: transparent;
  border: 0;
  border-left: 1px solid var(--ink);
  color: var(--ink);
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  min-height: 44px;
}
.top-nav button:last-child { border-right: 1px solid var(--ink); }
.top-nav button[aria-current="page"] {
  background: var(--ink);
  color: var(--paper);
}

main {
  min-height: calc(100vh - 56px);
  padding: 28px clamp(16px, 3vw, 40px) 72px;
}

.intake {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0 20px;
  max-width: 1180px;
}
.intake-lead {
  grid-column: 1 / span 7;
  padding-right: 24px;
  border-right: 1px solid var(--line);
}
.intake-brief {
  grid-column: 8 / span 5;
  padding-left: 8px;
}
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.intake h1,
.intake-lead h1 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(34px, 5.4vw, 68px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
  text-transform: uppercase;
  max-width: 12ch;
}
.lede {
  max-width: 42ch;
  color: var(--muted);
  font-size: 16px;
  margin: 0 0 28px;
}
.task-form {
  display: grid;
  gap: 0;
  border: 1px solid var(--ink);
  background: var(--paper);
}
.task-form label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.task-form textarea {
  width: 100%;
  min-height: 132px;
  resize: vertical;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 14px 12px;
  color: var(--ink);
  outline: none;
  line-height: 1.45;
}
.task-form textarea:focus { background: rgba(240, 75, 47, 0.06); }
.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: stretch;
  padding: 10px 12px;
  border-top: 1px solid var(--line);
}
.btn {
  border: 1px solid var(--ink);
  border-radius: 0;
  padding: 12px 18px;
  min-height: 44px;
  background: var(--signal);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn:disabled { opacity: 0.45; cursor: wait; }
.btn.ghost {
  background: transparent;
  color: var(--ink);
}
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
.hint {
  color: var(--muted);
  font-size: 13px;
}

.examples {
  display: grid;
  gap: 0;
  margin: 16px 0 0;
  border-top: 1px solid var(--ink);
}
.specimen {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: center;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  min-height: 44px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.specimen:hover { color: var(--signal); }
.specimen b {
  color: var(--signal);
  font-weight: 500;
}

.taste-strip {
  margin-top: 28px;
  padding: 12px 0 0;
  border-top: 1px dashed var(--ink);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: baseline;
}
.taste-strip .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.chip {
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 0;
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.chip.empty { color: var(--muted); border-style: dashed; }
.chip.example { display: none; }

.thought {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.85fr);
  gap: 24px 32px;
  align-items: start;
  max-width: 1180px;
}
.score-panel {
  border: 1px solid var(--ink);
  background: var(--paper);
}
.score-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.score-wrap {
  position: relative;
  overflow: hidden;
}
.score-wrap svg { width: 100%; height: 240px; display: block; }
.reg-tick { stroke: var(--ink); stroke-width: 1; }
.edge {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.25;
  stroke-dasharray: 180;
  stroke-dashoffset: 180;
  animation: draw-line 0.7s var(--ease) forwards;
}
.edge.is-live {
  stroke: var(--signal);
  stroke-width: 2.4;
  stroke-dasharray: none;
  stroke-dashoffset: 0;
  animation: none;
}
body.dna-electric .edge.is-live,
body.dna-luminous .edge.is-live { stroke: var(--process); }
body.dna-calm .edge { stroke-dasharray: 4 6; }
body.dna-technical .edge { stroke-width: 2; }
body.dna-human .edge { stroke-linecap: square; }
.node-core { fill: var(--paper); stroke: var(--ink); stroke-width: 1.5; }
.node.is-done .node-core { fill: var(--ink); }
.node.is-live .node-core {
  fill: var(--signal);
  stroke: var(--signal);
  animation: node-live 1.8s ease-in-out infinite;
}
body.dna-electric .node.is-live .node-core,
body.dna-luminous .node.is-live .node-core { fill: var(--process); stroke: var(--process); }
.node.is-wait .node-core { fill: var(--paper); }
.node-index {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--ink);
}
.node-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  fill: var(--ink);
}
.stamp {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  fill: var(--ink);
  animation: stamp-in 0.28s var(--ease) both;
}
.stamp-box { fill: var(--paper); stroke: var(--signal); stroke-width: 1; }

.stage-rail {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--ink);
}
.stage-pill {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 10px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  color: var(--muted);
  background: transparent;
}
.stage-pill.is-live {
  color: var(--ink);
  background: transparent;
  font-weight: 500;
}
.stage-pill.is-live .stage-no { background: var(--signal); color: var(--paper); }
.stage-pill.is-done { color: var(--ink); }
.stage-pill.is-done .stage-no { background: var(--ink); color: var(--paper); }
.stage-no {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  font-size: 10px;
}
.stage-state { color: var(--muted); font-size: 10px; }

.side { display: grid; gap: 14px; }
.agent-line {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}
.live-dot {
  width: 8px;
  height: 8px;
  background: var(--signal);
  display: inline-block;
}
.live-dot.is-wait { background: var(--ink); }
.live-dot.is-error { background: var(--signal); }
.narration {
  font-family: var(--sans);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
}
.choice-card {
  border: 1px solid var(--ink);
  border-radius: 0;
  padding: 16px;
  background: var(--paper);
}
.choice-card.is-pending { opacity: 0.72; }
.fork-counter {
  font-family: var(--mono);
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.04em;
  margin: 0 0 8px;
  line-height: 1;
}
.choice-card h2 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.opts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 14px;
  border: 1px solid var(--ink);
}
.opt {
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 16px;
  min-height: 112px;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px 12px;
  align-content: start;
}
.opt + .opt { border-left: 1px solid var(--ink); }
.opt-letter {
  font-family: var(--mono);
  font-size: 22px;
  line-height: 1;
  color: var(--signal);
  grid-row: span 2;
}
.opt strong { font-size: 16px; font-weight: 600; }
.opt span, .opt .opt-hint { color: var(--muted); font-size: 13px; grid-column: 2; }
.opt:hover { background: rgba(20, 20, 18, 0.04); }
.opt:active { background: var(--ink); color: var(--paper); }
.opt:active .opt-letter,
.opt:active .opt-hint { color: var(--paper); }
.opt:disabled { cursor: wait; }

.kbd,
.keycap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 0;
  border: 1px solid var(--ink);
  background: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0;
  color: var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
}
.opt .keycap {
  grid-row: 1;
  grid-column: 1;
  align-self: start;
  margin-top: 3px;
}
.opt .opt-letter { grid-row: span 2; }

.settle-rule {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--ink);
  padding: 10px 12px;
  position: relative;
}
.settle-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.settle-track {
  grid-column: 1 / -1;
  height: 8px;
  border: 1px solid var(--ink);
  background: var(--paper);
  position: relative;
  overflow: hidden;
}
.settle-fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--signal);
  transition: width 0.28s var(--ease);
}
.settle-frac {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
}

@media (max-width: 760px) {
  .kbd,
  .keycap { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .settle-fill { transition: none; }
}
.waiting-note {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
  font-family: var(--mono);
}
.dna-live {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 4px;
}
.visual-echo {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--signal);
  min-height: 1.3em;
  margin: 0;
}

.result {
  display: grid;
  gap: 40px;
  max-width: 980px;
  animation: wipe 0.45s var(--ease);
}
.edition-rail {
  border-bottom: 1px solid var(--ink);
  padding-bottom: 18px;
}
.meta-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px 20px;
  margin: 0 0 14px;
}
.meta-rail dt,
.receipt dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.meta-rail dd,
.receipt dd {
  margin: 4px 0 0;
  font-size: 15px;
}
.edition-prompt {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
}
.artifact {
  border-top: 3px solid var(--reg, var(--signal));
  padding-top: 18px;
}
.artifact-brand {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 8px;
}
.artifact-kicker {
  margin: 0 0 10px;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.artifact h1,
#result-heading {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(32px, 5.4vw, 64px);
  line-height: 0.94;
  letter-spacing: -0.035em;
  margin: 0 0 16px;
  max-width: 16ch;
  text-transform: uppercase;
}
.artifact-subhead {
  margin: 0 0 22px;
  max-width: 52ch;
  color: var(--muted);
  white-space: pre-wrap;
}
.artifact-subhead.is-draft {
  font-style: italic;
  white-space: pre-wrap;
}
.swatches {
  display: flex;
  gap: 0;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border: 1px solid var(--ink);
  width: max-content;
  max-width: 100%;
}
.swatches li {
  width: 36px;
  height: 18px;
  border-right: 1px solid var(--ink);
}
.swatches li:last-child { border-right: 0; }
.suggested-actions {
  border: 1px solid var(--ink);
  padding: 12px 14px;
  margin: 0 0 28px;
}
.suggested {
  margin: 0 0 6px;
  font-size: 15px;
}
.suggested span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 10px;
}
.artifact-points {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}
.artifact-points li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 8px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.point-idx {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}
.artifact-points h3 { margin: 0; font-size: 18px; letter-spacing: -0.02em; grid-column: 2; }
.artifact-points p { margin: 0; color: var(--muted); grid-column: 2; }
.artifact.kind-itinerary .point-idx { color: var(--ink); }
.artifact.kind-build .point-idx,
.artifact.kind-build h3 { font-family: var(--mono); }
.artifact.kind-brief .artifact-points li { grid-template-columns: 104px 1fr; }
.artifact.kind-draft .artifact-points { counter-reset: none; }
.artifact-notes {
  margin-top: 20px;
  padding-top: 12px;
  border-top: 1px dashed var(--ink);
}
.artifact-notes h3 { margin: 0 0 6px; font-size: 16px; }
.artifact-notes p, .artifact-notes li { color: var(--muted); }

.trace h2,
.seeds-view h1 {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.03em;
  font-size: clamp(28px, 4vw, 44px);
  margin: 0 0 8px;
  text-transform: uppercase;
}
.trace .intro,
.seeds-view .intro { color: var(--muted); margin: 0 0 22px; }
.trace-ledger { border-top: 1px solid var(--ink); }
.trace-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.trace-no {
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: -0.04em;
  color: var(--signal);
}
.trace-question { margin: 0 0 6px; font-size: 15px; }
.trace-pick {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}
.trace-effect { margin: 0 0 8px; color: var(--muted); }
.trace-row blockquote {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.receipt {
  border: 1px solid var(--ink);
  padding: 16px;
}
.receipt dl { margin: 0 0 12px; display: grid; gap: 10px; }
.receipt dl div { display: grid; grid-template-columns: 92px 1fr; gap: 10px; }
.receipt-picks { border-top: 1px dashed var(--ink); padding-top: 10px; }
.receipt-row {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 10px;
  padding: 6px 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.seed-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }

.seeds-view { max-width: 980px; display: block; }
.seed-count {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.seed-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}
.seed-index li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.seed-no {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--signal);
}
.seed-body h2 {
  margin: 4px 0 8px;
  font-size: 22px;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}
.seed-body p { margin: 0 0 8px; color: var(--muted); }
.seed-task { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; }
.seed-taste {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}
.seed-body time {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.seed-empty { display: block; padding: 18px 0; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(12px);
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s var(--ease);
  z-index: 9;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@keyframes draw-line { to { stroke-dashoffset: 0; } }
@keyframes node-live {
  0%, 100% { transform: translate(-6px, -6px); }
  50% { transform: translate(-7px, -7px); }
}
@keyframes stamp-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
@keyframes wipe {
  from { clip-path: inset(0 0 100% 0); }
  to { clip-path: inset(0 0 0 0); }
}

@media (max-width: 760px) {
  body { background-image: none; }
  .top {
    grid-template-columns: 1fr auto;
    gap: 8px;
  }
  .tag { display: none; }
  .top-nav button { padding: 10px 10px; }
  .intake,
  .intake-lead,
  .intake-brief {
    display: block;
    grid-column: auto;
    padding: 0;
    border: 0;
  }
  .intake h1, .intake-lead h1 { font-size: 34px; max-width: none; }
  .thought {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .thought .side { order: -1; }
  .score-wrap svg { height: 168px; }
  .opts { grid-template-columns: 1fr; }
  .opt + .opt { border-left: 0; border-top: 1px solid var(--ink); }
  .opt { min-height: 88px; }
  .fork-counter { font-size: 32px; }
  .meta-rail { grid-template-columns: 1fr 1fr; }
  .artifact h1, #result-heading { font-size: 32px; max-width: none; }
  .artifact-points li,
  .trace-row,
  .seed-index li,
  .receipt dl div { grid-template-columns: 1fr; }
  .point-idx, .trace-no, .seed-no { margin-bottom: 4px; }
}

.stamp.is-fresh {
  animation: stamp-reaction 0.45s var(--ease) both;
  fill: var(--signal);
}

@keyframes stamp-reaction {
  0% { transform: rotate(-5deg) scale(1.6); opacity: 0; }
  55% { transform: rotate(-2deg) scale(0.98); opacity: 1; }
  100% { transform: rotate(0deg) scale(1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .settle-fill { transition: none; }
  .stamp.is-fresh { fill: var(--signal); }
}