@font-face {
  font-family: "Matsorik Main";
  src: url("/fonts/KaTeX_Main-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

/* Session-aware lesson gallery */
.generated-result-links {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.generated-result-links a:first-child {
  color: #8fb9ff;
}

.session-lesson-notice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin: 0 0 18px;
  padding: 18px 20px;
  border: 1px solid var(--ink);
  color: var(--paper-light);
  background:
    radial-gradient(circle at 88% 0, rgba(61, 113, 215, 0.34), transparent 34%),
    #151a21;
  box-shadow: 4px 4px 0 var(--blue);
}

.session-lesson-orbit {
  position: relative;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(247, 243, 233, 0.4);
  border-radius: 50%;
}

.session-lesson-orbit::before,
.session-lesson-orbit i {
  content: "";
  display: block;
  border-radius: 50%;
}

.session-lesson-orbit::before {
  width: 22px;
  height: 22px;
  border: 1px solid #8fb9ff;
}

.session-lesson-orbit i {
  position: absolute;
  width: 7px;
  height: 7px;
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(241, 90, 53, 0.14);
}

.session-lesson-notice > div {
  display: grid;
  gap: 4px;
}

.session-lesson-notice small {
  color: #8fb9ff;
  font: 8px var(--font-mono);
  letter-spacing: 0.09em;
}

.session-lesson-notice strong {
  font-family: var(--font-main);
  font-size: 21px;
  font-weight: 400;
}

.session-lesson-notice p {
  margin: 0;
  color: rgba(247, 243, 233, 0.62);
  font-size: 10px;
}

.session-lesson-notice > span:last-child {
  min-width: 94px;
  padding: 11px 13px;
  border: 1px solid rgba(247, 243, 233, 0.25);
  font: 8px var(--font-mono);
  text-align: center;
  text-transform: uppercase;
}

.session-lesson-notice b {
  display: block;
  margin-bottom: 3px;
  color: white;
  font: 24px var(--font-main);
}

.lesson-catalog {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.lesson-card.is-generated {
  border-color: var(--blue);
  background: linear-gradient(155deg, rgba(61, 113, 215, 0.11), transparent 45%), var(--paper-light);
  box-shadow: 4px 4px 0 rgba(61, 113, 215, 0.24);
}

.lesson-card.is-generated .lesson-card-poster {
  border-bottom-color: var(--blue);
}

.lesson-card.is-generated .lesson-card-poster span {
  color: white;
  border-color: var(--blue);
  background: var(--blue);
}

.lesson-card-poster.has-no-poster {
  background:
    radial-gradient(circle at 50% 50%, rgba(241, 90, 53, 0.82) 0 5%, transparent 5.5%),
    radial-gradient(circle at 50% 50%, transparent 0 20%, rgba(61, 113, 215, 0.46) 20.5% 21%, transparent 21.5%),
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(21, 20, 17, 0.08) 24px),
    #e8edf5;
}

.library-toggle-row {
  display: flex;
  justify-content: center;
  padding-top: 24px;
}

.library-toggle-row .button {
  min-width: 235px;
}

.proof-source-links {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.proof-source-links a {
  padding: 9px 12px;
  border: 1px solid var(--line-dark);
  color: var(--blue);
  background: var(--paper-light);
  font: 8px var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-underline-offset: 3px;
}

@media (max-width: 760px) {
  .generated-result-links {
    width: 100%;
    align-items: flex-start;
    flex-direction: column;
  }

  .session-lesson-notice {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .session-lesson-notice > span:last-child {
    grid-column: 1 / -1;
  }

  .lesson-catalog {
    grid-template-columns: 1fr;
  }

  .proof-source-links {
    display: grid;
  }
}

/* Stable, product-first judge demo. All changing content stays inside fixed rails. */
.generator-section {
  overflow: clip;
}

.generator-heading {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  align-items: end;
}

.generator-grid {
  grid-template-columns: minmax(280px, 350px) minmax(0, 1fr);
  align-items: start;
  gap: 20px;
}

.upload-console,
.generation-console,
.pipeline-workspace,
.generation-stage-panel,
.generation-waiting,
.live-output-feed {
  min-width: 0;
  max-width: 100%;
}

.upload-console {
  position: sticky;
  top: 80px;
}

.prepared-source-card img {
  height: auto;
  max-height: 470px;
  object-fit: contain;
}

.sample-run-button {
  min-height: 150px;
}

.generation-console-head {
  min-height: 92px;
}

.generation-run-id {
  display: none;
}

.pipeline-rail {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.pipeline-rail-head {
  min-height: 70px;
  padding: 16px 20px;
}

.pipeline-rail-head > div {
  max-width: none;
}

.pipeline-rail-head span {
  font-size: 8px;
}

.pipeline-rail-head strong {
  margin-top: 5px;
  font-size: 13px;
}

.generation-stages {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr)) minmax(90px, 0.8fr);
  width: 100%;
  min-width: 0;
  overflow: hidden;
}

.generation-stages li,
.generation-stages li[data-stage="package"] {
  min-width: 0;
  min-height: 92px;
  padding: 13px 10px;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  border-right: 1px solid var(--line);
  border-left: 0;
  box-shadow: none;
  transform: none;
}
.generation-stages li.active,
.generation-stages li.complete,
.generation-stages li.failed,
.generation-stages li.stage-entered { box-shadow: none; transform: none; animation: none; }

.generation-stages li[data-stage="package"]::before {
  display: none;
}

.stage-node {
  width: 26px;
  height: 26px;
}

.stage-node b {
  font-size: 8px;
}

.stage-card-copy,
.stage-card-copy > div {
  min-width: 0;
}

.stage-card-copy > div {
  display: grid;
  gap: 4px;
}

.stage-card-copy strong {
  overflow: hidden;
  font-size: 12px;
  line-height: 1.1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stage-card-copy small {
  display: block;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 8px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stage-state,
.stage-card-copy p {
  display: none;
}

.generation-stage-panel {
  min-height: 690px;
  background: #f6f3eb;
}

.generation-waiting {
  display: grid;
  grid-template-rows: auto auto minmax(440px, 1fr) auto;
  min-height: 690px;
  padding: 24px;
  overflow: hidden;
}

.stage-monitor-copy {
  max-width: 720px;
  margin: 20px 0 18px;
}

.stage-monitor-copy h3 {
  max-width: 680px;
  font-size: clamp(30px, 3.2vw, 50px);
  line-height: 0.98;
}

.stage-monitor-copy p {
  max-width: 660px;
  font-size: 14px;
  line-height: 1.55;
}

.live-output-feed {
  height: 440px;
  min-height: 440px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.live-output-section {
  width: 100%;
  max-width: 100%;
  margin: 0;
}

.live-output-heading {
  min-height: 62px;
  padding: 14px 18px;
}

.live-output-heading h4 {
  font-size: 18px;
}

.live-output-heading > strong {
  font-size: 9px;
  white-space: nowrap;
}

.solution-answer {
  padding: 12px 18px;
}

.solution-answer strong {
  font-size: 22px;
}

.solution-step-progress {
  display: grid;
  grid-template-columns: repeat(4, 30px);
  gap: 8px;
  padding: 14px 18px 0;
}

.solution-step-progress span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  color: var(--ink-soft);
  background: white;
  font: 9px var(--font-mono);
}

.solution-step-progress span.done {
  border-color: var(--green);
  color: var(--green);
  background: #e4f2eb;
}

.solution-step-progress span.current {
  border-color: var(--blue);
  color: white;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(29, 96, 206, 0.12);
}

.solution-steps {
  display: block;
  width: 100%;
  overflow: visible;
}

.solution-step,
.solution-step:has(.lesson-step-frame) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.82fr);
  width: 100%;
  min-width: 0;
  min-height: 280px;
  margin: 14px 0 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: white;
}

.solution-step-head {
  grid-column: 1;
  padding: 20px 22px 8px;
}

.solution-step:has(.lesson-step-frame) .lesson-step-frame {
  grid-column: 2;
  grid-row: 1 / span 5;
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  border-left: 1px solid var(--line);
}

.solution-step:has(.lesson-step-frame) > p,
.solution-step:has(.lesson-step-frame) > .solution-board,
.solution-step:has(.lesson-step-frame) > .solution-claim,
.solution-step > p,
.solution-board,
.solution-claim {
  display: block;
  grid-column: 1;
  margin-right: 22px;
  margin-left: 22px;
}

.solution-step > p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
}

.solution-board {
  padding: 12px 14px;
  overflow: hidden;
}

.solution-board code {
  overflow: hidden;
  font-size: 11px;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.solution-claim {
  margin-bottom: 18px;
}

.live-output-status {
  min-height: 92px;
}

.replay-events {
  display: none;
}

.monitor-footer {
  min-height: 70px;
}

.generated-result {
  min-width: 0;
  overflow: hidden;
}

.generated-result video {
  display: block;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  background: #111;
}

.generated-result-meta {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

@media (max-width: 1120px) {
  .generator-heading { grid-template-columns: 1fr; }
  .generator-grid { grid-template-columns: 1fr; }
  .upload-console { position: static; }
  .prepared-source-card img { max-height: 540px; }
}

@media (max-width: 760px) {
  .generation-stages {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
  }

  .generation-stages li,
  .generation-stages li[data-stage="package"] {
    min-height: 76px;
  }

  .generation-waiting {
    grid-template-rows: auto auto minmax(480px, 1fr) auto;
    min-height: 740px;
    padding: 18px;
  }

  .live-output-feed {
    height: 480px;
    min-height: 480px;
  }

  .solution-step,
  .solution-step:has(.lesson-step-frame) {
    display: block;
  }

  .solution-step:has(.lesson-step-frame) .lesson-step-frame {
    width: 100%;
    height: 210px;
    min-height: 210px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .generated-result-meta {
    grid-template-columns: 1fr 1fr;
  }
}

/* Final scroll and contrast guard: this must remain after legacy component rules. */
.generation-waiting,
.generation-stage-panel,
.pipeline-workspace,
.live-output-feed {
  height: auto !important;
  max-height: none !important;
  min-height: 0 !important;
  overflow: visible !important;
  overscroll-behavior: auto !important;
}

.live-output-feed {
  scrollbar-gutter: auto !important;
  scroll-behavior: auto;
}

.generation-console-head,
.pipeline-rail-head,
.proof-disclosure > summary { color: #f7f5ef !important; }
.generation-console-head strong,
.pipeline-rail-head strong,
.proof-disclosure > summary strong,
.proof-disclosure > summary small { color: #f7f5ef !important; }
.generation-console-head .console-index,
.pipeline-rail-head span,
.proof-disclosure > summary span { color: #a9d8c3 !important; }

@media (max-width: 760px) {
  .generation-stages { grid-template-columns: repeat(3, minmax(116px, 1fr)) !important; overflow-x: auto; overflow-y: hidden; }
}

/* Judge surface refresh: keep the page as the only vertical scroll container. */
.generation-waiting,
.generation-stage-panel,
.pipeline-workspace,
.live-output-feed {
  height: auto;
  max-height: none;
  min-height: 0;
  overflow: visible;
  overscroll-behavior: auto;
}

.generation-waiting {
  display: block;
  padding: 24px;
}

.live-output-feed {
  min-height: 0;
  overflow-x: visible;
  overflow-y: visible;
  scrollbar-gutter: auto;
}

.generation-console,
.generation-stage-panel,
.generated-result,
.proof-workbench,
.proof-panel {
  overflow: visible;
}

.generation-stages {
  grid-template-columns: repeat(5, minmax(0, 1fr)) minmax(140px, 1fr);
}

.generation-stages li.delivery-gate,
.generation-stages li[data-stage="package"] {
  margin-left: 16px;
  border-left: 2px dashed #7c9ad2;
  border-right: 0;
  background: #e5edfc;
}

.generation-stages li.delivery-gate::before,
.generation-stages li[data-stage="package"]::before {
  display: block;
  content: "->";
  position: absolute;
  left: -19px;
  top: 36px;
  color: #5274af;
  font: 12px var(--font-mono);
}

.generation-stages li.delivery-gate .stage-node,
.generation-stages li[data-stage="package"] .stage-node {
  border-color: #5274af;
  color: #355d9f;
}

.generation-console-head,
.pipeline-rail-head,
.proof-disclosure > summary {
  color: #f7f5ef;
}

.generation-console-head strong,
.pipeline-rail-head strong,
.proof-disclosure > summary strong,
.proof-disclosure > summary small {
  color: #f7f5ef;
}

.generation-console-head .console-index,
.pipeline-rail-head span,
.proof-disclosure > summary span {
  color: #a9d8c3;
}

.stage-monitor-copy h3,
.stage-operation-main strong,
.workspace-empty-head strong {
  color: var(--ink);
}

.stage-monitor-copy {
  max-width: 820px;
  margin: 12px 0 18px;
}

.stage-monitor-copy h3 {
  font-size: clamp(32px, 4vw, 60px);
  line-height: 0.98;
}

.stage-monitor-copy p {
  max-width: 720px;
  color: var(--ink-soft);
  font-size: 14px;
}

.grounding-transform {
  grid-template-columns: minmax(0, 1fr) 76px minmax(0, 1fr);
  padding: 18px;
  gap: 14px;
  border: 1px solid var(--line);
  background: #fffdf8;
}

.grounding-transform-panel {
  padding: 12px;
  border-radius: 10px;
}

.grounding-transform-image {
  height: 230px;
}

.grounding-transform-arrow {
  align-self: center;
}

.grounding-transform-arrow b {
  font-size: 30px;
}

.grounding-source-wrap {
  position: relative;
}

.source-region-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.source-region-overlay span {
  position: absolute;
  display: grid;
  min-height: 18px;
  align-items: center;
  padding: 2px 5px;
  border: 1px solid rgba(232, 96, 50, 0.72);
  border-radius: 3px;
  color: #8f321e;
  background: rgba(251, 226, 215, 0.85);
  font: 7px var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.9;
}

.region-problem { top: 7%; left: 5%; }
.region-graph { top: 31%; left: 18%; }
.region-seven { top: 55%; left: 35%; }
.region-five { top: 73%; left: 35%; }
.region-target { bottom: 7%; left: 5%; }

.grounding-evidence-strip {
  display: grid;
  gap: 3px;
  grid-column: 1 / -1;
  padding: 12px 14px;
  border-left: 3px solid var(--orange);
  background: #f8f1e9;
}

.grounding-evidence-strip span,
.grounding-evidence-strip small {
  color: var(--ink-soft);
  font: 9px var(--font-mono);
  letter-spacing: 0.08em;
}

.grounding-evidence-strip strong { font-size: 13px; }

.solution-plan {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 18px 0;
  padding: 0;
  list-style: none;
}

.solution-plan li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  min-height: 76px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #fffdf8;
}

.solution-plan li > span {
  color: var(--orange);
  font: 9px var(--font-mono);
}

.solution-plan div { display: grid; gap: 3px; }
.solution-plan strong { font-size: 11px; line-height: 1.2; }
.solution-plan small { color: var(--ink-soft); font-size: 9px; line-height: 1.3; }

.completed-transform {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 100px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  margin: 0 0 18px;
  padding: 16px;
  border: 1px solid var(--line);
  background: #fffdf8;
}

.completed-transform figure { display: grid; gap: 7px; min-width: 0; margin: 0; }
.completed-transform figcaption { display: grid; gap: 2px; }
.completed-transform figcaption span { color: var(--orange); font: 8px var(--font-mono); letter-spacing: 0.12em; }
.completed-transform figcaption strong { font-size: 14px; }
.completed-transform img { display: block; width: 100%; height: 190px; object-fit: contain; border: 1px solid var(--line); background: #f8f8f3; }
.completed-transform-arrow { display: grid; justify-items: center; gap: 7px; color: var(--orange); text-align: center; }
.completed-transform-arrow span { color: var(--ink-soft); font: 8px var(--font-mono); text-transform: uppercase; }
.completed-transform-arrow b { font: 30px var(--font-main); }

.generated-player-shell {
  position: relative;
  padding: 14px;
  background: #0f1714;
}

.generated-player-labels { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 10px; color: #b9d9cc; font: 8px var(--font-mono); letter-spacing: 0.1em; }
.generated-player-shell video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #070b0a; }
.generated-play-overlay { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; justify-items: center; gap: 5px; min-width: 180px; padding: 16px 20px; transform: translate(-50%, -50%); border: 1px solid rgba(255, 255, 255, 0.42); border-radius: 10px; color: #fff; background: rgba(22, 112, 85, 0.92); cursor: pointer; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25); }
.generated-play-overlay > span { font-size: 20px; }
.generated-play-overlay strong { font-size: 14px; }
.generated-play-overlay small { color: #d4eee3; font-size: 10px; }
.generated-play-overlay[hidden] { display: none; }

.proof-heading { grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr); }
.proof-heading h2 { max-width: 760px; font-size: clamp(42px, 5vw, 76px); line-height: 0.97; }
.proof-workbench { border: 1px solid var(--line-dark); border-radius: 16px; overflow: hidden; background: #fbfaf6; box-shadow: 0 22px 55px rgba(21, 34, 30, 0.08); }
.proof-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line-dark); background: #19352c; }
.proof-tab { flex: 1; min-height: 58px; padding: 12px 16px; border: 0; border-right: 1px solid rgba(255, 255, 255, 0.12); color: #b9d9cc; background: transparent; font: 10px var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; }
.proof-tab.is-active { color: #fffdf8; background: #245c4c; box-shadow: inset 0 -3px var(--orange); }
.proof-panel { padding: 28px; }
.architecture-flow { display: flex; align-items: stretch; gap: 8px; overflow-x: auto; padding-bottom: 7px; }
.architecture-flow > i { align-self: center; color: var(--orange); font: 22px var(--font-main); font-style: normal; }
.architecture-node { display: grid; flex: 1 0 145px; align-content: start; gap: 7px; min-height: 136px; padding: 15px; border: 1px solid var(--line); border-top: 4px solid var(--ink-soft); background: white; }
.architecture-node span, .architecture-boundary span, .receipt-header span, .code-proof-copy > span, .object-tree-head span { color: var(--ink-soft); font: 8px var(--font-mono); letter-spacing: 0.11em; }
.architecture-node strong { font-size: 14px; line-height: 1.2; }
.architecture-node p { margin: 0; color: var(--ink-soft); font-size: 10px; line-height: 1.4; }
.architecture-node.genblaze-node { border-top-color: #3f79bd; background: #edf4ff; }
.architecture-node.b2-node { border-top-color: var(--orange); background: #fff3e9; }
.architecture-boundary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 22px; }
.architecture-boundary article { display: grid; gap: 6px; padding: 16px; border: 1px solid var(--line); background: white; }
.architecture-boundary article:first-child { border-left: 4px solid #3f79bd; }
.architecture-boundary article:last-child { border-left: 4px solid var(--orange); }
.architecture-boundary strong { font-size: 15px; }
.architecture-boundary p { margin: 0; color: var(--ink-soft); font-size: 11px; line-height: 1.5; }
.verification-scoreboard { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 22px; }
.verification-scoreboard div { display: grid; gap: 4px; padding: 18px; border: 1px solid rgba(22, 112, 85, 0.3); background: var(--green-light); }
.verification-scoreboard strong { color: var(--green); font: 28px var(--font-main); }
.verification-scoreboard span { color: var(--ink-soft); font-size: 11px; }
.receipt-header { display: flex; justify-content: space-between; gap: 20px; align-items: start; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.receipt-header div { display: grid; gap: 6px; }
.receipt-header strong { font: 28px var(--font-main); }
.receipt-header p { margin: 0; color: var(--ink-soft); font-size: 12px; }
.receipt-status { display: inline-flex; align-items: center; gap: 7px; padding: 8px 10px; color: var(--green) !important; border: 1px solid rgba(22, 112, 85, 0.35); background: var(--green-light); }
.receipt-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.receipt-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; margin: 22px 0; border: 1px solid var(--line); background: var(--line); }
.receipt-grid div { display: grid; gap: 4px; min-height: 80px; padding: 13px; background: white; }
.receipt-grid dt { color: var(--ink-soft); font: 8px var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.receipt-grid dd { margin: 0; font-size: 13px; line-height: 1.25; }
.receipt-run-chain { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.receipt-run-item { display: grid; gap: 5px; padding: 10px; border: 1px solid var(--line); background: white; }
.receipt-run-item span { color: var(--ink-soft); font-size: 10px; }
.receipt-run-item code { overflow: hidden; color: var(--blue); font-size: 9px; text-overflow: ellipsis; }
.receipt-hash { display: grid; gap: 7px; margin-top: 16px; padding: 13px; border: 1px solid var(--line); background: #f1f3f5; }
.receipt-hash span { color: var(--ink-soft); font: 8px var(--font-mono); letter-spacing: 0.1em; }
.receipt-hash code { overflow-wrap: anywhere; color: var(--ink); font-size: 10px; }
.artifact-proof-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr); gap: 18px; }
.b2-object-tree { border: 1px solid var(--line); background: white; }
.object-tree-head { display: grid; gap: 6px; padding: 18px; border-bottom: 1px solid var(--line); }
.object-tree-head strong { font-size: 17px; }
.b2-object-tree pre { margin: 0; padding: 20px; overflow-x: auto; color: #21483c; background: #edf4ef; font-size: 11px; line-height: 1.65; }
.b2-object-tree p { margin: 0; padding: 15px 18px; color: var(--ink-soft); font-size: 11px; line-height: 1.5; }
.artifact-proof-grid .trace-console { min-width: 0; border: 1px solid var(--line); background: white; }
.artifact-proof-grid + .proof-ledger { margin-top: 20px; }
.code-proof-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 20px; align-items: stretch; }
.code-proof-copy { display: grid; align-content: start; gap: 10px; }
.code-proof-copy h3 { max-width: 450px; margin: 0; font: 30px/1.05 var(--font-main); }
.code-proof-copy p { max-width: 480px; margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.55; }
.code-proof-snippet { margin: 0; padding: 22px; overflow-x: auto; border: 1px solid #223e34; border-radius: 10px; color: #e6f1eb; background: #152c24; font: 11px/1.65 var(--font-mono); }
.proof-workbench .proof-source-links { margin-top: auto; }
.legacy-proof-disclosure { display: none; }

@media (max-width: 900px) {
  .generation-stages { grid-template-columns: repeat(5, minmax(116px, 1fr)) minmax(140px, 1fr); overflow-x: auto; }
  .generation-stages li, .generation-stages li[data-stage="package"] { min-width: 116px; }
  .receipt-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .receipt-run-chain { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .artifact-proof-grid, .code-proof-grid { grid-template-columns: 1fr; }
}

@media (max-width: 650px) {
  .proof-tabs { overflow-x: auto; }
  .proof-tab { flex: 0 0 auto; min-width: 125px; }
  .proof-panel { padding: 18px; }
  .completed-transform { grid-template-columns: 1fr; }
  .completed-transform-arrow { grid-template-columns: auto auto; justify-content: center; align-items: center; }
  .completed-transform-arrow b { transform: rotate(90deg); }
  .solution-plan { grid-template-columns: 1fr 1fr; }
  .architecture-boundary, .verification-scoreboard { grid-template-columns: 1fr; }
  .receipt-grid, .receipt-run-chain { grid-template-columns: 1fr 1fr; }
  .receipt-header { display: grid; }
}

@font-face {
  font-family: "Matsorik Main";
  src: url("/fonts/KaTeX_Main-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Matsorik Sans";
  src: url("/fonts/KaTeX_SansSerif-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Matsorik Sans";
  src: url("/fonts/KaTeX_SansSerif-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Matsorik Mono";
  src: url("/fonts/KaTeX_Typewriter-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --paper: #f3efe6;
  --paper-deep: #e7dfd0;
  --paper-light: #fbf8f0;
  --ink: #151411;
  --ink-soft: #5d584f;
  --line: #c9c0af;
  --line-dark: #887f70;
  --orange: #f15a35;
  --orange-light: #ffd9cc;
  --blue: #1359c7;
  --blue-light: #dce8ff;
  --green: #11775a;
  --green-light: #d9eee6;
  --yellow: #f4c451;
  --shadow: 0 18px 48px rgba(35, 31, 24, 0.12);
  --font-main: "Matsorik Main", Georgia, serif;
  --font-sans: "Matsorik Sans", "Trebuchet MS", sans-serif;
  --font-mono: "Matsorik Mono", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(244, 196, 81, 0.2), transparent 24rem),
    radial-gradient(circle at 88% 20%, rgba(19, 89, 199, 0.11), transparent 28rem),
    var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  min-width: 320px;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

.page-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(21, 20, 17, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 20, 17, 0.13) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: white;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  width: min(1420px, calc(100% - 48px));
  margin: 0 auto;
  min-height: 94px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-dark);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 12px);
  grid-template-rows: repeat(2, 12px);
  gap: 3px;
  transform: rotate(-8deg);
}

.brand-mark span {
  display: block;
  border-radius: 50%;
  background: var(--ink);
}

.brand-mark span:nth-child(2) {
  background: var(--orange);
}

.brand-mark span:nth-child(3) {
  grid-column: 1 / 3;
  border-radius: 8px;
  background: var(--blue);
}

.brand-copy {
  display: grid;
  line-height: 1;
  gap: 6px;
}

.brand-copy strong {
  font-family: var(--font-main);
  font-size: 18px;
  letter-spacing: 0.09em;
}

.brand-copy small,
.console-index,
.section-kicker,
.eyebrow,
.proof-stamp-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
}

.site-nav a {
  text-underline-offset: 5px;
}

.live-pill,
.gate-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.live-pill i,
.gate-pill i,
.status-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(17, 119, 90, 0.13);
}

main {
  width: min(1420px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  min-height: 610px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.6fr);
  gap: clamp(48px, 9vw, 140px);
  align-items: center;
  padding: 78px 0 64px;
}

.eyebrow,
.section-kicker {
  color: var(--ink-soft);
  margin: 0 0 20px;
}

.eyebrow span {
  color: var(--blue);
  font-weight: 700;
}

.hero h1,
.section-heading h2,
.architecture-copy h2 {
  font-family: var(--font-main);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.96;
  margin: 0;
}

.hero h1 {
  max-width: 900px;
  font-size: clamp(58px, 8.4vw, 132px);
}

.hero h1 em {
  display: block;
  color: var(--orange);
  font-weight: 400;
  text-decoration: underline;
  text-decoration-thickness: 0.055em;
  text-underline-offset: 0.1em;
}

.hero-deck {
  max-width: 710px;
  margin: 36px 0 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-journey {
  align-self: center;
  display: grid;
  grid-template-columns: 1fr;
  padding: 16px 6px 12px;
}

.journey-card {
  position: relative;
  min-height: 126px;
  display: grid;
  align-content: center;
  gap: 9px;
  padding: 20px 22px;
  border: 1px solid var(--ink);
  background: var(--paper-light);
  box-shadow: 6px 6px 0 var(--ink);
}

.journey-card > span {
  color: var(--blue);
  font: 8px/1.4 var(--font-mono);
  letter-spacing: 0.1em;
}

.journey-card small {
  color: var(--ink-soft);
  font-size: 10px;
}

.journey-input {
  margin-right: 42px;
  transform: rotate(-1.2deg);
}

.journey-solution {
  margin-left: 42px;
  background: var(--orange-light);
  transform: rotate(0.8deg);
}

.journey-video {
  min-height: 142px;
  margin-right: 18px;
  grid-template-columns: 1fr auto;
  background: var(--blue-light);
  transform: rotate(-0.5deg);
}

.journey-video > span,
.journey-video > small {
  grid-column: 1;
}

.journey-equation {
  font-family: var(--font-main);
  font-size: clamp(18px, 2.1vw, 28px);
  line-height: 1.2;
}

.journey-solution strong {
  max-width: 280px;
  font-family: var(--font-main);
  font-size: 21px;
  font-weight: 400;
  line-height: 1.15;
}

.journey-lines {
  display: grid;
  gap: 5px;
}

.journey-lines i {
  height: 4px;
  display: block;
  background: var(--orange);
}

.journey-lines i:nth-child(1) { width: 78%; }
.journey-lines i:nth-child(2) { width: 62%; }
.journey-lines i:nth-child(3) { width: 88%; }

.journey-play {
  width: 64px;
  height: 64px;
  grid-column: 2;
  grid-row: 1 / 4;
  align-self: center;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--blue);
}

.journey-play i {
  width: 0;
  height: 0;
  display: block;
  margin-left: 4px;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 12px solid white;
}

.journey-connector {
  height: 30px;
  position: relative;
}

.journey-connector span {
  width: 1px;
  height: 25px;
  position: absolute;
  left: 50%;
  top: 2px;
  background: var(--ink);
}

.journey-connector span::after {
  content: "";
  width: 7px;
  height: 7px;
  position: absolute;
  left: -3px;
  bottom: 0;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  transform: rotate(45deg);
}

.hero-proof {
  align-self: end;
  margin-bottom: 18px;
}

.proof-stamp {
  aspect-ratio: 1.45;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  border: 2px solid var(--ink);
  background:
    linear-gradient(135deg, transparent 78%, var(--orange-light) 78%),
    var(--paper-light);
  box-shadow: 10px 10px 0 var(--blue);
  transform: rotate(1.5deg);
}

.proof-stamp strong {
  font-family: var(--font-main);
  font-size: clamp(35px, 4.2vw, 58px);
  letter-spacing: -0.05em;
}

.proof-stamp > span:last-child {
  font-size: 12px;
  color: var(--ink-soft);
}

.proof-facts {
  margin: 36px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.proof-facts div {
  padding: 17px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.proof-facts dt {
  color: var(--ink-soft);
  font-size: 11px;
  margin-bottom: 4px;
}

.proof-facts dd {
  margin: 0;
  font-family: var(--font-main);
  font-size: 20px;
}

.system-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper-light);
  box-shadow: var(--shadow);
}

.system-strip > div {
  min-height: 130px;
  padding: 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  align-content: center;
  border-right: 1px solid #4c4942;
}

.system-strip > div:last-child {
  border-right: 0;
}

.system-strip span {
  grid-row: 1 / 3;
  color: var(--yellow);
  font-family: var(--font-mono);
  font-size: 11px;
}

.system-strip strong {
  font-family: var(--font-main);
  font-size: 18px;
  font-weight: 400;
}

.system-strip small {
  color: #aaa399;
  font-size: 12px;
}

.generator-section,
.demo-section,
.ledger-section,
.architecture-section {
  padding: 128px 0 0;
}

.generator-grid {
  display: grid;
  grid-template-columns: minmax(350px, 0.72fr) minmax(0, 1.28fr);
  gap: 22px;
  align-items: stretch;
}

.upload-console,
.generation-console {
  border: 1px solid var(--ink);
  background: var(--paper-light);
  box-shadow: var(--shadow);
}

.upload-console {
  margin: 0;
  padding: 0 22px 22px;
}

.upload-console-head,
.generation-console-head {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--ink);
}

.upload-console-head {
  margin: 0 -22px 22px;
  padding: 15px 22px;
}

.upload-console-head > div,
.generation-console-head > div {
  display: grid;
  gap: 4px;
}

.protected-pill,
.generation-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 6px 10px;
  border: 1px solid var(--line-dark);
  color: var(--ink-soft);
  background: var(--paper);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.generation-status-pill i {
  width: 7px;
  height: 7px;
  display: block;
  border-radius: 50%;
  background: var(--line-dark);
}

.generation-status-pill.running i {
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(19, 89, 199, 0.13);
  animation: status-pulse 1.5s ease-in-out infinite;
}

.generation-status-pill.completed i {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(17, 119, 90, 0.13);
}

.generation-status-pill.failed i {
  background: #b42318;
  box-shadow: 0 0 0 4px rgba(180, 35, 24, 0.12);
}

.drop-zone {
  min-height: 276px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 26px;
  border: 1px dashed var(--line-dark);
  background:
    linear-gradient(135deg, rgba(19, 89, 199, 0.05), transparent 45%),
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(21, 20, 17, 0.05) 31px 32px),
    var(--paper);
  text-align: center;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.drop-zone:hover,
.drop-zone.is-dragging,
.drop-zone:focus-within {
  border-color: var(--blue);
  background-color: var(--blue-light);
}

.drop-zone.has-image::after {
  content: "CHANGE IMAGE";
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  padding: 6px 9px;
  color: white;
  background: rgba(21, 20, 17, 0.82);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.drop-zone img {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 14px;
  background: white;
}

.drop-zone.has-image > :not(img) {
  opacity: 0;
}

.drop-zone-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--paper-light);
}

.drop-zone-icon svg {
  width: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.drop-zone strong {
  font-family: var(--font-main);
  font-size: 23px;
  font-weight: 400;
}

.drop-zone > span:last-child {
  color: var(--ink-soft);
  font-size: 12px;
}

.access-field {
  display: grid;
  gap: 7px;
  margin-top: 18px;
}

.access-field > span {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.access-field input {
  width: 100%;
  height: 48px;
  padding: 0 13px;
  border: 1px solid var(--line-dark);
  border-radius: 0;
  outline: 0;
  background: white;
  color: var(--ink);
  font: 14px var(--font-mono);
}

.access-field input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(19, 89, 199, 0.12);
}

.generate-button {
  width: 100%;
  min-height: 50px;
  margin-top: 14px;
}

.form-note,
.form-error {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.55;
}

.form-error {
  min-height: 17px;
  color: #a2261b;
}

.generation-console {
  position: relative;
  min-width: 0;
  min-height: 720px;
  overflow: hidden;
  padding-bottom: 0;
}

.generation-console-head {
  min-height: 86px;
  padding: 15px 20px;
  background:
    linear-gradient(90deg, rgba(19, 89, 199, 0.05), transparent 42%),
    var(--paper-light);
}

.generation-console-head > div {
  min-width: 0;
}

.generation-console-head strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.generation-run-id {
  display: none;
  max-width: min(100%, 430px);
  overflow: hidden;
  color: var(--blue);
  font: 9px/1.4 var(--font-mono);
  letter-spacing: 0.06em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.generation-progress {
  height: 5px;
  overflow: hidden;
  background: var(--paper-deep);
}

.generation-progress span {
  width: 0;
  height: 100%;
  display: block;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  transition: width 500ms ease;
}

.pipeline-workspace {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(245px, 0.68fr) minmax(0, 1.32fr);
  background: #111a20;
}

.pipeline-rail {
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--ink);
  background:
    linear-gradient(180deg, rgba(19, 89, 199, 0.07), transparent 38%),
    var(--paper);
}

.pipeline-rail-head {
  min-height: 75px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 15px;
  border-bottom: 1px solid var(--line);
}

.pipeline-rail-head > div {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.pipeline-rail-head span,
.monitor-footer span,
.stage-monitor-top > span:first-child,
.stage-monitor-copy > span,
.generated-result-head span {
  color: var(--ink-soft);
  font: 8px/1.4 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pipeline-rail-head strong {
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 400;
}

.autofollow-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 7px;
  border: 1px solid rgba(17, 119, 90, 0.35);
  color: var(--green) !important;
  background: rgba(217, 238, 230, 0.62);
  font-size: 7px !important;
}

.autofollow-pill i,
.stage-live-signal i,
.result-ready i {
  width: 6px;
  height: 6px;
  display: block;
  border-radius: 50%;
  background: currentColor;
}

.generation-stages {
  min-height: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 12px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--line-dark) transparent;
  list-style: none;
}

.generation-stages li {
  --stage-color: var(--blue);
  min-height: 81px;
  position: relative;
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 35px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  padding: 10px 10px 10px 8px;
  border: 1px solid transparent;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.22);
  transition:
    color 220ms ease,
    background 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 220ms ease;
}

.generation-stages li[data-stage="solver"] { --stage-color: var(--orange); }
.generation-stages li[data-stage="presentation"] { --stage-color: #2e8b77; }
.generation-stages li[data-stage="tts"] { --stage-color: #d49a17; }
.generation-stages li[data-stage="video"] { --stage-color: #d34c39; }
.generation-stages li[data-stage="genblaze"] { --stage-color: var(--green); }
.generation-stages li[data-stage="package"] { --stage-color: var(--green); }

.stage-node {
  width: 32px;
  height: 32px;
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  color: var(--ink-soft);
  background: var(--paper-light);
  transition: inherit;
}

.stage-node::after {
  content: "";
  width: 1px;
  height: 58px;
  position: absolute;
  z-index: -2;
  top: 31px;
  left: 15px;
  background: var(--line);
}

.generation-stages li:last-child .stage-node::after {
  display: none;
}

.stage-node b {
  font: 8px var(--font-mono);
}

.stage-node i {
  width: 12px;
  height: 7px;
  display: none;
  border-bottom: 2px solid white;
  border-left: 2px solid white;
  transform: translateY(-1px) rotate(-45deg);
}

.stage-card-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.stage-card-copy > div {
  min-width: 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.stage-card-copy strong {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stage-card-copy small {
  color: var(--stage-color);
  font: 8px/1.4 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stage-card-copy p {
  margin: 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 9px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stage-state {
  flex: 0 0 auto;
  color: var(--line-dark);
  font: 7px var(--font-mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.generation-stages li.active {
  border-color: var(--stage-color);
  color: var(--stage-color);
  background: white;
  box-shadow: 0 8px 22px rgba(20, 28, 35, 0.11);
  transform: translateX(2px);
}

.generation-stages li.active .stage-node {
  border-color: var(--stage-color);
  color: white;
  background: var(--stage-color);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--stage-color) 14%, transparent);
}

.generation-stages li.active .stage-node b {
  animation: stage-number-pulse 1.3s ease-in-out infinite;
}

.generation-stages li.active .stage-state {
  color: var(--stage-color);
}

.generation-stages li.complete {
  color: var(--green);
  border-color: rgba(17, 119, 90, 0.22);
  background: rgba(217, 238, 230, 0.7);
}

.generation-stages li.complete .stage-node {
  border-color: var(--green);
  color: white;
  background: var(--green);
}

.generation-stages li.complete .stage-node b {
  display: none;
}

.generation-stages li.complete .stage-node i {
  display: block;
}

.generation-stages li.complete .stage-state,
.generation-stages li.complete .stage-card-copy small {
  color: var(--green);
}

.generation-stages li.failed {
  color: #a2261b;
  border-color: #b42318;
  background: #fff0ed;
}

.generation-stages li.failed .stage-node {
  border-color: #b42318;
  color: white;
  background: #b42318;
}

.generation-stages li.failed .stage-state {
  color: #b42318;
}

.stage-entered {
  animation: stage-enter 650ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.generation-stage-panel {
  min-width: 0;
  position: relative;
  overflow: hidden;
  color: #f7f3e9;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 78% 18%, rgba(19, 89, 199, 0.2), transparent 45%),
    #111a20;
  background-size: 26px 26px, 26px 26px, auto, auto;
}

.generation-waiting {
  --stage-accent: #7d93a2;
  min-height: 680px;
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-rows: auto auto auto minmax(260px, 1fr) auto;
  align-content: start;
  gap: 14px;
  padding: 21px 24px 18px;
  color: rgba(247, 243, 233, 0.74);
}

.generation-waiting[data-stage="queued"],
.generation-waiting[data-stage="preparing"] { --stage-accent: var(--yellow); }
.generation-waiting[data-stage="formalizer"] { --stage-accent: #5da8ff; }
.generation-waiting[data-stage="solver"] { --stage-accent: #ff7956; }
.generation-waiting[data-stage="presentation"] { --stage-accent: #4ec6a8; }
.generation-waiting[data-stage="tts"] { --stage-accent: #ffd060; }
.generation-waiting[data-stage="video"] { --stage-accent: #ff6548; }
.generation-waiting[data-stage="genblaze"],
.generation-waiting[data-stage="completed"] { --stage-accent: #4ed4a5; }
.generation-waiting[data-stage="failed"] { --stage-accent: #ff6b5b; }

.generation-waiting::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.1;
  background:
    radial-gradient(circle at 82% 5%, var(--stage-accent), transparent 28%),
    linear-gradient(120deg, transparent 62%, var(--stage-accent) 180%);
  transition: background 350ms ease;
}

.stage-monitor-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.stage-monitor-top > span:first-child {
  color: var(--stage-accent);
}

.stage-live-signal,
.result-ready {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--stage-accent);
  font: 8px var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stage-live-signal i {
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--stage-accent) 16%, transparent);
}

.generation-console.is-running .stage-live-signal i {
  animation: live-signal 1.4s ease-in-out infinite;
}

.stage-monitor-copy {
  max-width: 680px;
  display: grid;
  gap: 5px;
}

.stage-monitor-copy > span {
  color: var(--stage-accent);
}

.stage-monitor-copy h3 {
  max-width: 680px;
  margin: 0;
  color: #fffdf6;
  font-family: var(--font-main);
  font-size: clamp(23px, 2.3vw, 32px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.stage-monitor-copy p {
  max-width: 680px;
  margin: 0;
  color: rgba(247, 243, 233, 0.62);
  font-size: 12px;
  line-height: 1.55;
}

.monitor-checkpoints {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  border: 1px solid rgba(247, 243, 233, 0.13);
  background: rgba(6, 13, 18, 0.42);
}

.monitor-checkpoints > div {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 5px;
  padding: 11px 12px;
  border-right: 1px solid rgba(247, 243, 233, 0.12);
}

.monitor-checkpoints > div:last-child {
  border-right: 0;
}

.monitor-checkpoints dt {
  color: var(--stage-accent);
  font: 7px var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.monitor-checkpoints dd {
  margin: 0;
  color: rgba(255, 253, 246, 0.8);
  font-size: 9px;
  line-height: 1.42;
}

.live-output-feed {
  min-height: 260px;
  max-height: 390px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  color: var(--ink);
  background: var(--paper-light);
  border: 1px solid rgba(247, 243, 233, 0.25);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
  scrollbar-color: var(--line-dark) var(--paper-deep);
  scroll-behavior: smooth;
}

.live-output-empty {
  min-height: 258px;
  display: grid;
  place-content: center;
  gap: 6px;
  padding: 28px;
  text-align: center;
  background:
    linear-gradient(rgba(17, 26, 32, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 26, 32, 0.035) 1px, transparent 1px),
    var(--paper-light);
  background-size: 22px 22px;
}

.live-output-empty span,
.live-output-heading span,
.solution-answer span {
  color: var(--blue);
  font: 8px/1.4 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.live-output-empty strong {
  font-family: var(--font-main);
  font-size: 25px;
  font-weight: 400;
}

.live-output-empty p {
  max-width: 430px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.live-output-section {
  padding: 17px;
  border-bottom: 1px solid var(--line);
  animation: output-arrive 420ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.live-output-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 13px;
}

.live-output-heading > div {
  display: grid;
  gap: 2px;
}

.live-output-heading h4 {
  margin: 0;
  font-family: var(--font-main);
  font-size: 22px;
  font-weight: 400;
}

.live-output-heading > strong {
  flex: 0 0 auto;
  padding: 5px 7px;
  color: var(--green);
  background: var(--green-light);
  border: 1px solid rgba(17, 119, 90, 0.26);
  font: 8px/1.3 var(--font-mono);
  font-weight: 400;
  text-transform: uppercase;
}

.grounded-svg,
.lesson-step-frame {
  width: 100%;
  display: block;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
}

.grounded-svg {
  max-height: 250px;
  padding: 8px;
}

.live-output-note,
.solution-intro {
  margin: 9px 0 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.5;
}

.grounded-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.grounded-facts li {
  position: relative;
  padding: 8px 10px 8px 24px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 10px;
  line-height: 1.4;
}

.grounded-facts li::before {
  content: "";
  width: 6px;
  height: 6px;
  position: absolute;
  top: 12px;
  left: 10px;
  border-radius: 50%;
  background: var(--green);
}

.solution-answer {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 12px;
  color: white;
  background: var(--blue);
}

.solution-answer span {
  color: rgba(255, 255, 255, 0.7);
}

.solution-answer strong {
  font-family: var(--font-main);
  font-size: 22px;
  font-weight: 400;
}

.solution-steps {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.solution-step {
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: #fff;
}

.solution-step-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 11px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-deep);
}

.solution-step-head span {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  color: white;
  background: var(--orange);
  border-radius: 50%;
  font: 8px var(--font-mono);
}

.solution-step-head strong {
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 400;
}

.lesson-step-frame {
  max-height: 290px;
  border-width: 0 0 1px;
}

.solution-step > p {
  margin: 0;
  padding: 11px 12px 7px;
  font-size: 12px;
  line-height: 1.55;
}

.solution-board {
  display: grid;
  gap: 5px;
  margin: 4px 12px 10px;
  padding: 9px 10px;
  color: #f7f2e7;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    #163a32;
  background-size: 100% 24px, auto;
  border-left: 3px solid var(--green);
}

.solution-board code {
  white-space: normal;
  font: 11px/1.5 var(--font-mono);
}

.solution-claim {
  display: block;
  margin: 0 12px 11px;
  color: var(--ink-soft);
  font-size: 10px;
}

.live-output-status {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  align-items: center;
  padding: 12px 17px;
  color: var(--ink);
  background: #fff;
  border-bottom: 1px solid var(--line);
  animation: output-arrive 420ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.live-output-status > span {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: white;
  background: var(--green);
  border-radius: 50%;
  font: 8px var(--font-mono);
}

.live-output-status > div {
  display: grid;
  gap: 2px;
}

.live-output-status strong {
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 400;
}

.live-output-status p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 9px;
}

.live-output-status.verified {
  background: var(--green-light);
}

.replay-events {
  display: grid;
  gap: 7px;
  padding: 13px;
  color: #eaf2ee;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    #10221e;
  background-size: 22px 22px;
}

.replay-events-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 2px 2px 7px;
}

.replay-events-heading span,
.replay-event span,
.replay-event b {
  font: 7px/1.4 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.replay-events-heading span { color: #73d7b8; }

.replay-events-heading strong {
  color: white;
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 400;
}

.replay-event {
  display: grid;
  gap: 4px;
  padding: 10px 11px;
  border: 1px solid rgba(115, 215, 184, 0.2);
  background: rgba(255, 255, 255, 0.035);
  animation: output-arrive 360ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.replay-event > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.replay-event span { color: #73d7b8; }
.replay-event b { color: #f4c451; font-weight: 400; }

.replay-event > strong {
  color: #fff;
  font: 13px/1.3 var(--font-sans);
}

.replay-event p {
  margin: 0;
  color: rgba(234, 242, 238, 0.68);
  font-size: 9px;
  line-height: 1.45;
}

.replay-event code {
  overflow: hidden;
  color: #8db7ff;
  font: 8px/1.4 var(--font-mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.monitor-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-top: 15px;
  border-top: 1px solid rgba(247, 243, 233, 0.16);
}

.monitor-footer > div {
  display: grid;
  gap: 2px;
  padding: 0 12px;
  border-right: 1px solid rgba(247, 243, 233, 0.14);
}

.monitor-footer > div:first-child { padding-left: 0; }
.monitor-footer > div:last-child { border-right: 0; }

.monitor-footer span {
  color: rgba(247, 243, 233, 0.43);
}

.monitor-footer strong {
  color: #fffdf6;
  font: 13px var(--font-mono);
  font-weight: 400;
}

.generated-result {
  min-height: 620px;
  padding: 20px;
  color: rgba(247, 243, 233, 0.75);
  background:
    radial-gradient(circle at 82% 3%, rgba(78, 212, 165, 0.16), transparent 32%),
    transparent;
}

.generated-result-head {
  min-height: 49px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.generated-result-head > div {
  display: grid;
  gap: 3px;
}

.generated-result-head span {
  color: #4ed4a5;
}

.generated-result-head strong {
  color: #fffdf6;
  font-family: var(--font-main);
  font-size: 21px;
  font-weight: 400;
}

.result-ready {
  flex: 0 0 auto;
  padding: 6px 9px;
  border: 1px solid rgba(78, 212, 165, 0.34);
  color: #4ed4a5 !important;
  background: rgba(78, 212, 165, 0.08);
}

.generated-result video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: #080c0f;
  border: 1px solid rgba(247, 243, 233, 0.26);
}

.generated-result-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid rgba(247, 243, 233, 0.18);
}

.generated-result-meta > div {
  min-width: 0;
  display: grid;
  gap: 3px;
  padding: 11px;
  border-right: 1px solid rgba(247, 243, 233, 0.18);
  border-bottom: 1px solid rgba(247, 243, 233, 0.18);
}

.generated-result-meta span,
.generated-proof > span {
  color: rgba(247, 243, 233, 0.46);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.generated-result-meta strong {
  overflow: hidden;
  text-overflow: ellipsis;
  color: #fffdf6;
  font: 14px var(--font-main);
}

.generated-proof {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-top: 14px;
}

.generated-result-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 0;
}

.generated-result-actions p {
  margin: 0;
  color: rgba(247, 243, 233, 0.58);
  font-size: 10px;
}

.generated-result-actions a {
  flex: 0 0 auto;
  color: #4ed4a5;
  font-size: 11px;
  text-underline-offset: 4px;
}

.generated-proof-drawer {
  border-top: 1px solid rgba(247, 243, 233, 0.16);
}

.generated-proof-drawer summary {
  padding: 12px 0;
  color: rgba(247, 243, 233, 0.58);
  cursor: pointer;
  font: 9px var(--font-mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.generated-proof-drawer .generated-proof {
  grid-template-columns: auto minmax(0, 1fr);
  margin: 0 0 12px;
}

.generated-proof code {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #79adff;
  font: 10px var(--font-mono);
}

.generated-proof a {
  color: #79adff;
  font-size: 11px;
  font-weight: 700;
}

.generated-proof a[aria-busy="true"] {
  opacity: 0.62;
  pointer-events: none;
}

.generated-chain {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.generated-chain li {
  min-width: 0;
  padding: 9px;
  border: 1px solid rgba(247, 243, 233, 0.16);
  background: rgba(247, 243, 233, 0.055);
}

.generated-chain strong,
.generated-chain code {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.generated-chain strong {
  color: #4ed4a5;
  font: 10px var(--font-sans);
  text-transform: uppercase;
}

.generated-chain code {
  margin-top: 4px;
  color: rgba(247, 243, 233, 0.48);
  font: 8px var(--font-mono);
}

.generation-message {
  min-height: 42px;
  margin: 0;
  padding: 12px 20px;
  border-top: 1px solid var(--ink);
  color: var(--ink-soft);
  background: var(--paper-light);
  font-size: 11px;
}

.generation-message.error {
  color: #a2261b;
}

@keyframes status-pulse {
  50% { opacity: 0.45; }
}

@keyframes stage-number-pulse {
  50% { opacity: 0.42; }
}

@keyframes stage-enter {
  0% { transform: translateX(-8px); }
  48% { transform: translateX(5px); }
  100% { transform: translateX(2px); }
}

@keyframes live-signal {
  50% { opacity: 0.45; box-shadow: 0 0 0 9px transparent; }
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr minmax(300px, 0.45fr);
  gap: 70px;
  align-items: end;
  margin-bottom: 46px;
}

.section-heading h2,
.architecture-copy h2 {
  font-size: clamp(42px, 5.4vw, 78px);
}

.section-heading > p {
  color: var(--ink-soft);
  margin: 0 0 5px;
  max-width: 490px;
}

.demo-grid,
.reference-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(350px, 0.72fr);
  gap: 22px;
  align-items: start;
}

.lesson-summary {
  min-height: 104px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.lesson-summary > div {
  display: grid;
  gap: 5px;
}

.lesson-summary strong {
  font-family: var(--font-main);
  font-size: 18px;
  font-weight: 400;
}

.lesson-summary p {
  max-width: 620px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.5;
}

.media-proof {
  background: var(--paper);
}

.media-proof > summary {
  padding: 12px 20px;
  color: var(--ink-soft);
  cursor: pointer;
  font: 9px var(--font-mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.media-proof[open] > summary {
  border-bottom: 1px solid var(--line);
}

.reference-notes {
  padding: 27px;
  border: 1px solid var(--ink);
  background:
    radial-gradient(circle at 100% 0, rgba(237, 85, 51, 0.15), transparent 35%),
    var(--orange-light);
  box-shadow: var(--shadow);
}

.reference-notes h3,
.proof-explainer h3,
.proof-ledger-head h3 {
  margin: 8px 0 22px;
  font-family: var(--font-main);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.05;
}

.reference-notes ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.reference-notes li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid rgba(21, 20, 17, 0.18);
}

.reference-notes li > span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font: 8px var(--font-mono);
}

.reference-notes li div {
  display: grid;
  gap: 4px;
}

.reference-notes li strong {
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 400;
}

.reference-notes li p,
.reference-cta p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.5;
}

.reference-cta {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding: 16px;
  color: white;
  background: var(--ink);
}

.reference-cta .text-link {
  margin-top: 4px;
  color: var(--yellow);
  font-size: 11px;
}

.lesson-library-section,
.technical-proof-section {
  padding: 128px 0 0;
}

.library-impact-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
}

.library-impact-strip > div {
  min-height: 94px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 18px 22px;
  border-right: 1px solid #4c4942;
}

.library-impact-strip > div:last-child {
  border-right: 0;
}

.library-impact-strip strong {
  color: white;
  font-family: var(--font-main);
  font-size: 32px;
  font-weight: 400;
  line-height: 1;
}

.library-impact-strip span {
  color: #bcb5a9;
  font: 9px var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.library-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(310px, 0.65fr);
  border: 1px solid var(--ink);
  background: var(--paper-light);
  box-shadow: var(--shadow);
}

.library-player-shell {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-right: 1px solid var(--ink);
  background: #111;
}

.library-player-shell video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #111;
}

.library-stream-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: var(--yellow);
  font: 9px var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.library-stream-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(22, 130, 100, 0.15);
}

.library-now-playing {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 26px;
  background:
    radial-gradient(circle at 100% 0, rgba(241, 90, 53, 0.15), transparent 36%),
    var(--paper-light);
}

.library-now-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 40px;
}

.library-now-topline span {
  padding: 6px 8px;
  border: 1px solid var(--line-dark);
  color: var(--ink-soft);
  font: 9px var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.library-now-topline span:last-child {
  color: var(--green);
  border-color: rgba(22, 130, 100, 0.4);
  background: var(--green-light);
}

.library-now-playing h3 {
  margin: 9px 0 15px;
  font-family: var(--font-main);
  font-size: clamp(28px, 2.5vw, 39px);
  font-weight: 400;
  line-height: 1;
}

.library-now-playing > p:not(.console-index) {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.6;
}

.library-now-playing dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: auto 0 18px;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.library-now-playing dl div {
  min-width: 0;
  padding: 12px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.library-now-playing dt {
  margin-bottom: 5px;
  color: var(--ink-soft);
  font-size: 9px;
}

.library-now-playing dd {
  margin: 0;
  overflow: hidden;
  font-family: var(--font-main);
  font-size: 16px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.library-now-playing .button {
  align-self: flex-start;
}

.library-browser-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.5fr);
  gap: 56px;
  align-items: end;
  margin: 62px 0 24px;
}

.library-browser-head h3 {
  margin: 6px 0 0;
  font-family: var(--font-main);
  font-size: 38px;
  font-weight: 400;
  line-height: 1;
}

.library-browser-head > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.6;
}

.library-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.library-filter {
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid var(--line-dark);
  color: var(--ink-soft);
  background: var(--paper-light);
  cursor: pointer;
  font: 9px var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.library-filter:hover,
.library-filter.is-active {
  color: white;
  border-color: var(--blue);
  background: var(--blue);
}

.lesson-catalog {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.lesson-card {
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  color: var(--ink);
  text-align: left;
  background: var(--paper-light);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.lesson-card:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 rgba(21, 20, 17, 0.12);
}

.lesson-card.is-active {
  border-color: var(--blue);
  box-shadow: inset 0 0 0 2px var(--blue);
}

.lesson-card-poster {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
  background: #eae5da;
}

.lesson-card-poster img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.lesson-card-poster span {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 5px 7px;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: var(--yellow);
  font: 8px var(--font-mono);
  text-transform: uppercase;
}

.lesson-card-copy {
  min-height: 134px;
  display: flex;
  flex-direction: column;
  padding: 15px;
}

.lesson-card-topic {
  color: var(--blue);
  font: 8px var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lesson-card-copy strong {
  display: block;
  margin: 9px 0 16px;
  font-family: var(--font-main);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.08;
}

.lesson-card-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  color: var(--ink-soft);
  font: 8px var(--font-mono);
  text-transform: uppercase;
}

.library-loading,
.library-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 36px;
  border: 1px dashed var(--line-dark);
  color: var(--ink-soft);
  text-align: center;
}

.library-value-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 18px;
  border: 1px solid var(--ink);
  background: var(--blue-light);
}

.library-value-strip > div {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  padding: 19px 22px;
  border-right: 1px solid var(--ink);
}

.library-value-strip > div:last-child {
  border-right: 0;
}

.library-value-strip span {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--blue);
  border-radius: 50%;
  color: var(--blue);
  font: 8px var(--font-mono);
}

.library-value-strip p {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.45;
}

.library-value-strip strong {
  color: var(--ink);
}

.proof-disclosure {
  border: 1px solid var(--ink);
  background: var(--paper-light);
  box-shadow: var(--shadow);
}

.proof-disclosure > summary {
  min-height: 120px;
  position: relative;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 25px 82px 25px 28px;
  cursor: pointer;
  list-style: none;
  background:
    linear-gradient(90deg, rgba(19, 89, 199, 0.08), transparent 54%),
    var(--paper-light);
}

.proof-disclosure > summary::-webkit-details-marker {
  display: none;
}

.proof-disclosure > summary::after {
  content: "+";
  width: 42px;
  height: 42px;
  position: absolute;
  right: 26px;
  top: calc(50% - 21px);
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--font-main);
  font-size: 24px;
}

.proof-disclosure[open] > summary::after {
  content: "−";
}

.proof-disclosure > summary span {
  color: var(--blue);
  font: 8px var(--font-mono);
  letter-spacing: 0.1em;
}

.proof-disclosure > summary strong {
  font-family: var(--font-main);
  font-size: 25px;
  font-weight: 400;
}

.proof-disclosure > summary small {
  color: var(--ink-soft);
  font-size: 11px;
}

.proof-content {
  padding: 26px;
  border-top: 1px solid var(--ink);
}

.proof-receipt {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: 26px 36px;
  padding: 28px;
  border: 1px solid var(--ink);
  background:
    radial-gradient(circle at 100% 0, rgba(19, 89, 199, 0.12), transparent 32%),
    var(--paper-light);
}

.proof-receipt-copy h3 {
  max-width: 420px;
  margin: 9px 0 16px;
  font-family: var(--font-main);
  font-size: 35px;
  font-weight: 400;
  line-height: 1;
}

.proof-receipt-copy > p:last-child {
  max-width: 460px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}

.proof-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.proof-benefits > div {
  min-height: 150px;
  padding: 17px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.proof-benefits span {
  display: block;
  margin-bottom: 24px;
  color: var(--blue);
  font: 8px var(--font-mono);
}

.proof-benefits strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-main);
  font-size: 19px;
  font-weight: 400;
}

.proof-benefits p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.45;
}

.proof-receipt-actions {
  display: flex;
  gap: 12px;
  align-items: stretch;
}

.proof-receipt-actions .trace-status {
  flex: 1;
  min-height: 48px;
  border: 1px solid var(--line-dark);
}

.proof-receipt-actions .button {
  min-width: 170px;
}

.proof-facts-compact {
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  border-color: var(--line-dark);
}

.proof-facts-compact div {
  min-width: 0;
  padding: 13px;
  border-color: var(--line-dark);
}

.proof-facts-compact dt {
  font-size: 9px;
}

.proof-facts-compact dd {
  overflow: hidden;
  font-size: 17px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.raw-proof-disclosure {
  margin-top: 16px;
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.4);
}

.raw-proof-disclosure > summary {
  position: relative;
  display: grid;
  gap: 3px;
  padding: 18px 54px 18px 20px;
  cursor: pointer;
  list-style: none;
}

.raw-proof-disclosure > summary::-webkit-details-marker {
  display: none;
}

.raw-proof-disclosure > summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  font: 22px var(--font-main);
}

.raw-proof-disclosure[open] > summary::after {
  content: "−";
}

.raw-proof-disclosure > summary span {
  color: var(--blue);
  font: 8px var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.raw-proof-disclosure > summary strong {
  font-family: var(--font-main);
  font-size: 18px;
  font-weight: 400;
}

.raw-proof-content {
  padding: 18px;
  border-top: 1px solid var(--line-dark);
}

.raw-proof-content .trace-console {
  position: static;
  box-shadow: none;
}

.proof-ledger {
  margin-top: 18px;
}

.proof-ledger-head {
  display: flex;
  justify-content: space-between;
  padding: 18px 0;
}

.proof-ledger-head h3 {
  margin-bottom: 0;
  font-size: 24px;
}

.media-console,
.trace-console {
  border: 1px solid var(--ink);
  background: var(--paper-light);
  box-shadow: var(--shadow);
}

.console-header,
.trace-header {
  min-height: 76px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--ink);
}

.console-header > div,
.trace-header > div {
  display: grid;
  gap: 4px;
}

.console-index {
  color: var(--blue);
}

.console-header strong,
.trace-header h3 {
  margin: 0;
  font-family: var(--font-main);
  font-size: 19px;
  font-weight: 400;
}

.gate-pill {
  padding: 7px 10px;
  border: 1px solid var(--green);
  color: var(--green);
  background: var(--green-light);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.gate-pill i {
  width: 6px;
  height: 6px;
  box-shadow: none;
}

.video-shell {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0d0d0c;
  overflow: hidden;
}

.video-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}

.video-shell video {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #0d0d0c;
}

.video-loading {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-content: center;
  justify-items: center;
  color: #d8d2c7;
  background: #0d0d0c;
  transition: opacity 220ms ease, visibility 220ms ease;
}

.video-loading.hidden {
  opacity: 0;
  visibility: hidden;
}

.video-loading span {
  width: 34px;
  height: 34px;
  border: 2px solid #3b3934;
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 900ms linear infinite;
}

.video-loading p {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.video-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.video-meta > div {
  padding: 17px 19px;
  border-right: 1px solid var(--line);
  display: grid;
  gap: 4px;
}

.video-meta > div:last-child {
  border-right: 0;
}

.video-meta span,
.hash-block span {
  color: var(--ink-soft);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.video-meta strong {
  font-family: var(--font-main);
  font-size: 17px;
  font-weight: 400;
}

.integrity-bar {
  padding: 20px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.hash-block {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.hash-block code {
  max-width: 430px;
  color: var(--blue);
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.console-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.button,
.icon-button {
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.button {
  min-height: 40px;
  padding: 10px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.button:hover,
.icon-button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--ink);
}

.button:focus-visible,
.icon-button:focus-visible,
a:focus-visible,
video:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.button-primary {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}

.button-quiet {
  background: transparent;
}

.button:disabled,
.icon-button:disabled {
  cursor: wait;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.verification-result {
  min-height: 0;
  margin: 0;
  padding: 0 20px;
  font-size: 12px;
  color: var(--ink-soft);
  transition: padding 160ms ease, min-height 160ms ease;
}

.verification-result:not(:empty) {
  min-height: 42px;
  padding: 10px 20px 15px;
  border-top: 1px dashed var(--line);
}

.verification-result.success {
  color: var(--green);
}

.verification-result.error {
  color: #a5271c;
}

.trace-console {
  position: sticky;
  top: 18px;
}

.icon-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--yellow);
}

.icon-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.icon-button.is-spinning svg {
  animation: spin 900ms linear infinite;
}

.trace-status {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 12px 20px;
  color: var(--green);
  background: var(--green-light);
  border-bottom: 1px solid var(--line);
  font-size: 11px;
}

.trace-status.error {
  color: #a5271c;
  background: #f7dbd5;
}

.trace-status.verifying .status-dot {
  background: var(--yellow);
  animation: pulse 900ms ease-in-out infinite alternate;
}

.stage-list {
  list-style: none;
  margin: 0;
  padding: 12px 20px 18px;
  counter-reset: stage;
}

.stage-item {
  position: relative;
  counter-increment: stage;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  padding: 12px 0 14px;
}

.stage-item::before {
  content: "0" counter(stage);
  width: 28px;
  height: 28px;
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--paper-light);
  font-family: var(--font-mono);
  font-size: 9px;
}

.stage-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 14px;
  top: 40px;
  bottom: -1px;
  width: 1px;
  background: var(--ink);
}

.stage-body {
  min-width: 0;
  padding-top: 2px;
}

.stage-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.stage-name {
  font-family: var(--font-main);
  font-size: 17px;
  text-transform: capitalize;
}

.stage-check {
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 9px;
}

.stage-model,
.stage-gate,
.stage-identifiers {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stage-model {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 10px;
}

.stage-gate {
  margin-top: 7px;
  font-size: 11px;
}

.stage-identifiers {
  margin-top: 5px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 8px;
}

.stage-skeleton {
  height: 76px;
  margin: 10px 0;
  background: linear-gradient(90deg, var(--paper-deep), var(--paper-light), var(--paper-deep));
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
}

.ledger-heading {
  grid-template-columns: 1fr auto;
}

.storage-summary {
  display: grid;
  grid-template-columns: auto auto;
  gap: 0 28px;
  align-items: baseline;
  padding: 16px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.storage-summary span {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
}

.storage-summary strong {
  font-family: var(--font-main);
  font-size: 24px;
  font-weight: 400;
}

.storage-summary small {
  grid-column: 1 / 3;
  color: var(--ink-soft);
}

.ledger-wrap {
  overflow-x: auto;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: rgba(251, 248, 240, 0.7);
}

.artifact-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 12px;
}

.artifact-table th {
  padding: 14px 12px;
  color: var(--ink-soft);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--ink);
}

.artifact-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.artifact-table tr:last-child td {
  border-bottom: 0;
}

.artifact-table tbody tr {
  transition: background 130ms ease;
}

.artifact-table tbody tr:hover {
  background: var(--blue-light);
}

.artifact-table th:nth-child(1) { width: 34%; }
.artifact-table th:nth-child(2) { width: 11%; }
.artifact-table th:nth-child(3) { width: 12%; }
.artifact-table th:nth-child(4) { width: 34%; }
.artifact-table th:nth-child(5) { width: 9%; }

.asset-role {
  display: grid;
  gap: 2px;
}

.asset-role strong {
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 400;
}

.asset-role span {
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 8px;
  text-transform: uppercase;
}

.format-chip {
  display: inline-flex;
  padding: 4px 7px;
  background: var(--paper-deep);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 8px;
  text-transform: uppercase;
}

.asset-hash {
  display: block;
  overflow: hidden;
  color: var(--blue);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 9px;
}

.asset-link {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--ink);
  text-decoration: none;
  background: var(--paper-light);
}

.table-loading {
  height: 150px;
  text-align: center;
  color: var(--ink-soft);
}

.architecture-section {
  padding-bottom: 130px;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(520px, 1.2fr);
  gap: clamp(60px, 10vw, 150px);
}

.architecture-copy > p:not(.section-kicker) {
  max-width: 560px;
  margin: 30px 0 24px;
  color: var(--ink-soft);
  font-size: 17px;
}

.text-link {
  display: inline-flex;
  gap: 8px;
  color: var(--blue);
  text-underline-offset: 5px;
}

.architecture-cards {
  display: grid;
  gap: 1px;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.architecture-cards article {
  min-height: 190px;
  position: relative;
  padding: 30px 34px 28px 100px;
  background: var(--paper-light);
}

.architecture-cards article:nth-child(2) {
  background: var(--orange-light);
}

.architecture-cards article:nth-child(3) {
  background: var(--blue-light);
}

.card-number {
  position: absolute;
  left: 32px;
  top: 30px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--font-main);
  font-size: 20px;
}

.architecture-cards h3 {
  margin: 0 0 10px;
  font-family: var(--font-main);
  font-size: 26px;
  font-weight: 400;
}

.architecture-cards p {
  max-width: 600px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.site-footer {
  min-height: 140px;
  padding: 34px max(24px, calc((100vw - 1420px) / 2));
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 40px;
  align-items: center;
  background: var(--ink);
  color: var(--paper-light);
}

.site-footer > div {
  display: grid;
}

.site-footer strong {
  font-family: var(--font-main);
  letter-spacing: 0.08em;
}

.site-footer span,
.site-footer p,
.site-footer a {
  color: #aaa399;
  font-size: 12px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  text-underline-offset: 5px;
}

.noscript {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 20;
  padding: 16px;
  background: var(--orange);
  color: white;
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: reveal 620ms cubic-bezier(0.2, 0.75, 0.2, 1) forwards;
}

.delay-1 { animation-delay: 100ms; }
.delay-2 { animation-delay: 180ms; }

@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  to { opacity: 0.35; }
}

@keyframes shimmer {
  to { background-position: -200% 0; }
}

@keyframes output-arrive {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Publisher-facing content studio */
.publisher-value-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px minmax(0, 1.15fr) 38px minmax(0, 1.15fr);
  align-items: stretch;
  margin: 42px 0 20px;
  border: 1px solid var(--ink);
  border-radius: 20px;
  overflow: hidden;
  background: var(--paper-light);
  box-shadow: 0 18px 50px rgba(42, 37, 28, 0.08);
}

.publisher-value-map > div {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 5px;
  min-height: 118px;
  padding: 22px 24px;
}

.publisher-value-map > div:nth-of-type(2) {
  background: var(--orange-light);
}

.publisher-value-map > div:nth-of-type(3) {
  background: var(--blue-light);
}

.publisher-value-map > i {
  display: grid;
  place-items: center;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
  color: var(--ink-soft);
  background: var(--paper-deep);
  font-style: normal;
}

.publisher-value-map span {
  color: var(--blue);
  font: 8px/1.4 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.publisher-value-map strong {
  font-family: var(--font-main);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.15;
}

.publisher-value-map small {
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.45;
}

.generator-grid {
  grid-template-columns: minmax(320px, 0.46fr) minmax(0, 1.54fr);
  gap: 18px;
}

.upload-console,
.generation-console {
  border-color: var(--line-dark);
  border-radius: 22px;
  box-shadow: 0 24px 70px rgba(42, 37, 28, 0.11);
}

.upload-console {
  align-self: start;
  padding: 0 18px 18px;
}

.upload-console-head {
  margin: 0 -18px 18px;
  padding: 15px 18px;
  border-color: var(--line);
}

.drop-zone {
  min-height: 330px;
  border-color: #afa89c;
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 35%, rgba(19, 89, 199, 0.09), transparent 32%),
    linear-gradient(rgba(21, 20, 17, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 20, 17, 0.035) 1px, transparent 1px),
    #fbfaf6;
  background-size: auto, 24px 24px, 24px 24px, auto;
}

.access-field input,
.generate-button {
  border-radius: 12px;
}

.generation-console {
  min-height: 0;
  background: #fbfaf6;
}

.generation-console-head {
  min-height: 78px;
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.generation-progress {
  height: 4px;
}

.pipeline-workspace {
  min-height: 0;
  display: block;
  background: #fbfaf6;
}

.pipeline-rail {
  display: block;
  border-right: 0;
  border-bottom: 1px solid var(--line-dark);
  background: white;
}

.pipeline-rail-head {
  min-height: 64px;
  padding: 13px 18px;
}

.pipeline-rail-head strong {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
}

.generation-stages {
  display: grid;
  grid-template-columns: repeat(6, minmax(118px, 1fr));
  gap: 0;
  padding: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}

.generation-stages li {
  min-height: 88px;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  padding: 13px 10px;
  border: 0;
  border-right: 1px solid var(--line);
  background: white;
}

.generation-stages li:last-child {
  border-right: 0;
}

.generation-stages li.active {
  border-color: var(--stage-color);
  box-shadow: inset 0 -4px 0 var(--stage-color);
  transform: none;
}

.generation-stages li.complete {
  border-color: var(--line);
  background: var(--green-light);
}

.stage-node {
  width: 28px;
  height: 28px;
}

.stage-node::after,
.stage-card-copy p {
  display: none;
}

.stage-card-copy > div {
  display: grid;
  gap: 3px;
}

.stage-card-copy strong {
  font-size: 12px;
  white-space: normal;
}

.stage-card-copy small,
.stage-state {
  font-size: 7px;
}

.generation-stage-panel {
  color: var(--ink);
  background:
    linear-gradient(rgba(21, 20, 17, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 20, 17, 0.028) 1px, transparent 1px),
    #f6f3eb;
  background-size: 26px 26px, 26px 26px, auto;
}

.generation-waiting {
  --stage-accent: var(--blue);
  min-height: 640px;
  grid-template-rows: auto auto auto minmax(320px, 1fr) auto;
  gap: 16px;
  padding: 24px;
  color: var(--ink-soft);
}

.generation-waiting[data-stage="queued"],
.generation-waiting[data-stage="preparing"] { --stage-accent: #a87000; }
.generation-waiting[data-stage="formalizer"] { --stage-accent: var(--blue); }
.generation-waiting[data-stage="solver"] { --stage-accent: var(--orange); }
.generation-waiting[data-stage="presentation"] { --stage-accent: var(--green); }
.generation-waiting[data-stage="tts"] { --stage-accent: #9a6b00; }
.generation-waiting[data-stage="video"] { --stage-accent: var(--orange); }
.generation-waiting[data-stage="genblaze"],
.generation-waiting[data-stage="completed"] { --stage-accent: var(--green); }
.generation-waiting[data-stage="failed"] { --stage-accent: #b42318; }

.generation-waiting::before {
  opacity: 0.07;
  background: radial-gradient(circle at 88% 5%, var(--stage-accent), transparent 28%);
}

.stage-monitor-copy {
  max-width: 800px;
}

.stage-monitor-copy h3 {
  max-width: 800px;
  color: var(--ink);
  font-size: clamp(29px, 3vw, 43px);
}

.stage-monitor-copy p {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 13px;
}

.monitor-checkpoints {
  border-color: var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.72);
}

.monitor-checkpoints > div {
  border-color: var(--line);
}

.monitor-checkpoints dd {
  color: var(--ink);
  font-size: 10px;
}

.live-output-feed {
  min-height: 320px;
  max-height: 560px;
  border-color: var(--line-dark);
  border-radius: 16px;
  box-shadow: 0 18px 48px rgba(42, 37, 28, 0.12);
}

.live-output-empty {
  min-height: 318px;
  display: grid;
  grid-template-columns: minmax(220px, 0.78fr) minmax(0, 1.22fr);
  place-content: stretch;
  align-items: center;
  gap: 26px;
  padding: 26px;
  text-align: left;
}

.workspace-empty-head {
  display: grid;
  gap: 7px;
}

.workspace-empty-head > strong {
  font-family: var(--font-main);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.05;
}

.workspace-empty-head > p {
  max-width: 430px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.55;
}

.workspace-placeholder-grid {
  display: grid;
  gap: 9px;
}

.workspace-placeholder-grid article {
  min-height: 68px;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-content: center;
  gap: 3px 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
}

.workspace-placeholder-grid article:nth-child(2) {
  margin-left: 18px;
  background: var(--orange-light);
}

.workspace-placeholder-grid article:nth-child(3) {
  margin-left: 36px;
  background: var(--blue-light);
}

.workspace-placeholder-grid b {
  grid-row: 1 / 3;
  display: grid;
  place-items: center;
  color: white;
  background: var(--blue);
  border-radius: 50%;
  font: 8px var(--font-mono);
}

.workspace-placeholder-grid strong {
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 400;
}

.workspace-placeholder-grid small {
  color: var(--ink-soft);
  font-size: 9px;
}

.solution-step:has(.lesson-step-frame) {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(220px, 0.85fr);
}

.solution-step:has(.lesson-step-frame) .solution-step-head {
  grid-column: 1 / -1;
}

.solution-step:has(.lesson-step-frame) .lesson-step-frame {
  grid-column: 1;
  grid-row: 2 / 6;
  height: 100%;
  max-height: 360px;
  border-width: 0 1px 0 0;
}

.solution-step:has(.lesson-step-frame) > p,
.solution-step:has(.lesson-step-frame) > .solution-board,
.solution-step:has(.lesson-step-frame) > .solution-claim {
  grid-column: 2;
}

.monitor-footer {
  border-color: var(--line);
}

.monitor-footer > div {
  border-color: var(--line);
}

.monitor-footer span {
  color: var(--ink-soft);
}

.monitor-footer strong {
  color: var(--ink);
}

.generated-result {
  min-height: 640px;
  color: var(--ink-soft);
  background:
    radial-gradient(circle at 88% 3%, rgba(17, 119, 90, 0.13), transparent 30%),
    #f6f3eb;
}

.generated-result-head strong,
.generated-result-meta strong {
  color: var(--ink);
}

.generated-result-meta {
  border-color: var(--line);
  background: white;
}

.generated-result-meta > div {
  border-color: var(--line);
}

.generated-result-meta span,
.generated-proof > span {
  color: var(--ink-soft);
}

.generated-result-actions,
.generated-proof-drawer {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.78);
}

.generated-result-actions p,
.generated-proof-drawer > summary {
  color: var(--ink-soft);
}

.generation-message {
  border-color: var(--line);
}

@media (max-width: 1120px) {
  .publisher-value-map {
    grid-template-columns: minmax(0, 1fr) 32px minmax(0, 1fr) 32px minmax(0, 1fr);
  }

  .publisher-value-map > div {
    padding: 18px;
  }

  .publisher-value-map strong {
    font-size: 17px;
  }

  .hero {
    grid-template-columns: 1fr 300px;
    gap: 50px;
  }

  .hero h1 {
    font-size: clamp(58px, 8.7vw, 92px);
  }

  .system-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .system-strip > div:nth-child(2) {
    border-right: 0;
  }

  .system-strip > div:nth-child(-n + 2) {
    border-bottom: 1px solid #4c4942;
  }

  .demo-grid,
  .reference-grid {
    grid-template-columns: 1fr;
  }

  .reference-notes {
    display: grid;
    grid-template-columns: minmax(240px, 0.55fr) minmax(0, 1fr);
    column-gap: 28px;
  }

  .reference-notes > p,
  .reference-notes > h3 {
    grid-column: 1;
  }

  .reference-notes ol {
    grid-column: 2;
    grid-row: 1 / 4;
  }

  .reference-cta {
    grid-column: 1;
  }

  .library-showcase {
    grid-template-columns: 1fr;
  }

  .library-player-shell {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .library-now-playing {
    min-height: 390px;
  }

  .lesson-catalog {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .proof-receipt {
    grid-template-columns: 1fr;
  }

  .generator-grid {
    grid-template-columns: 1fr;
  }

  .upload-console {
    display: grid;
    grid-template-columns: minmax(280px, 0.85fr) minmax(280px, 0.55fr);
    column-gap: 22px;
  }

  .upload-console-head {
    grid-column: 1 / -1;
  }

  .drop-zone {
    grid-row: span 5;
  }

  .trace-console {
    position: static;
  }

  .stage-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
  }

  .stage-item {
    display: block;
    padding: 4px 0 8px;
  }

  .stage-item::before {
    margin-bottom: 12px;
  }

  .stage-item:not(:last-child)::after {
    left: 28px;
    right: -13px;
    top: 18px;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .stage-name-row {
    display: grid;
  }

  .stage-gate {
    white-space: normal;
  }

  .architecture-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header,
  main {
    width: min(100% - 28px, 1420px);
  }

  .site-header {
    min-height: 78px;
  }

  .brand-copy small,
  .site-nav a {
    display: none;
  }

  .site-nav {
    gap: 12px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 58px;
    padding: 64px 0 56px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(48px, 14.5vw, 64px);
    overflow-wrap: break-word;
  }

  .hero-deck {
    font-size: 16px;
  }

  .hero-proof {
    width: min(100%, 430px);
  }

  .hero-journey {
    width: min(100%, 470px);
    justify-self: center;
  }

  .proof-stamp {
    aspect-ratio: 1.7;
  }

  .system-strip {
    grid-template-columns: 1fr;
  }

  .system-strip > div {
    min-height: 96px;
    border-right: 0;
    border-bottom: 1px solid #4c4942;
  }

  .system-strip > div:nth-child(2) {
    border-bottom: 1px solid #4c4942;
  }

  .system-strip > div:last-child {
    border-bottom: 0;
  }

  .generator-section,
  .demo-section,
  .ledger-section,
  .technical-proof-section,
  .architecture-section {
    padding-top: 90px;
  }

  .publisher-value-map {
    grid-template-columns: 1fr;
    margin-top: 30px;
    border-radius: 16px;
  }

  .publisher-value-map > div {
    min-height: 104px;
    padding: 18px 20px;
  }

  .publisher-value-map > i {
    min-height: 28px;
    border: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    transform: none;
  }

  .publisher-value-map > i::before {
    content: "↓";
  }

  .publisher-value-map > i {
    font-size: 0;
  }

  .publisher-value-map > i::before {
    font-size: 14px;
  }

  .upload-console {
    display: block;
  }

  .drop-zone {
    min-height: 235px;
  }

  .generation-console {
    min-height: 0;
  }

  .generation-console-head {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .generation-console-head strong {
    white-space: normal;
  }

  .pipeline-workspace {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .pipeline-rail {
    display: block;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .pipeline-rail-head {
    min-height: 66px;
  }

  .generation-stages {
    display: flex;
    flex-direction: row;
    gap: 8px;
    padding: 10px 12px 12px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
  }

  .generation-stages li {
    min-height: 103px;
    flex: 0 0 min(76vw, 270px);
    grid-template-columns: 35px minmax(0, 1fr);
    padding: 10px;
    border: 1px solid var(--line);
    scroll-snap-align: center;
  }

  .generation-stages li.active {
    transform: translateY(-2px);
  }

  .stage-node::after {
    display: none;
  }

  .stage-card-copy p {
    white-space: normal;
  }

  .generation-waiting {
    min-height: 650px;
    grid-template-rows: auto auto auto minmax(300px, 1fr) auto;
    gap: 14px;
    padding: 20px 18px 18px;
  }

  .stage-monitor-copy h3 {
    font-size: clamp(24px, 7vw, 31px);
  }

  .monitor-checkpoints {
    grid-template-columns: 1fr;
  }

  .monitor-checkpoints > div {
    min-height: 54px;
    border-right: 0;
    border-bottom: 1px solid rgba(247, 243, 233, 0.12);
  }

  .monitor-checkpoints > div:last-child {
    border-bottom: 0;
  }

  .live-output-feed {
    max-height: 470px;
  }

  .live-output-empty {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 22px 18px;
  }

  .workspace-placeholder-grid article:nth-child(2),
  .workspace-placeholder-grid article:nth-child(3) {
    margin-left: 0;
  }

  .grounded-facts {
    grid-template-columns: 1fr;
  }

  .replay-events-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .solution-step:has(.lesson-step-frame) {
    display: block;
  }

  .solution-step:has(.lesson-step-frame) .lesson-step-frame {
    width: 100%;
    height: auto;
    max-height: 290px;
    border-width: 0 0 1px;
  }

  .live-output-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }

  .live-output-heading > strong {
    align-self: start;
  }

  .generated-result {
    min-height: 0;
    padding: 16px 14px 18px;
  }

  .generated-result-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .generated-result-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .generated-proof {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .generated-result-actions,
  .lesson-summary {
    align-items: stretch;
    flex-direction: column;
  }

  .generated-result-actions a,
  .lesson-summary .button {
    align-self: stretch;
    text-align: center;
  }

  .generated-chain {
    grid-template-columns: 1fr;
  }

  .generation-message {
    min-height: 50px;
    padding: 13px 15px;
  }

  .section-heading,
  .ledger-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section-heading h2,
  .architecture-copy h2 {
    font-size: clamp(42px, 13vw, 62px);
  }

  .console-header {
    align-items: start;
    flex-direction: column;
  }

  .video-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .reference-notes {
    display: block;
    padding: 22px;
  }

  .library-impact-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .library-impact-strip > div:nth-child(2) {
    border-right: 0;
  }

  .library-impact-strip > div:nth-child(-n + 2) {
    border-bottom: 1px solid #4c4942;
  }

  .library-now-playing {
    min-height: 0;
    padding: 22px;
  }

  .library-now-topline {
    margin-bottom: 30px;
  }

  .library-now-playing dl {
    margin-top: 30px;
  }

  .library-browser-head {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 48px;
  }

  .library-filters {
    flex-wrap: nowrap;
    padding-bottom: 4px;
    overflow-x: auto;
  }

  .library-filter {
    flex: 0 0 auto;
  }

  .lesson-catalog,
  .library-value-strip {
    grid-template-columns: 1fr;
  }

  .library-value-strip > div {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .library-value-strip > div:last-child {
    border-bottom: 0;
  }

  .proof-disclosure > summary {
    min-height: 132px;
    padding: 22px 68px 22px 20px;
  }

  .proof-disclosure > summary::after {
    right: 18px;
  }

  .proof-content {
    padding: 12px;
  }

  .proof-receipt {
    gap: 24px;
    padding: 20px;
  }

  .proof-receipt-copy h3 {
    font-size: 29px;
  }

  .proof-benefits {
    grid-template-columns: 1fr;
  }

  .proof-benefits > div {
    min-height: 0;
  }

  .proof-benefits span {
    margin-bottom: 14px;
  }

  .proof-receipt-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .proof-facts-compact {
    grid-template-columns: 1fr 1fr;
  }

  .video-meta > div:nth-child(2) {
    border-right: 0;
  }

  .video-meta > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .integrity-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .console-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .stage-list {
    display: block;
  }

  .stage-item {
    display: grid;
    grid-template-columns: 34px 1fr;
  }

  .stage-item::before {
    margin: 0;
  }

  .stage-item:not(:last-child)::after {
    left: 14px;
    right: auto;
    top: 40px;
    bottom: -1px;
    width: 1px;
    height: auto;
  }

  .stage-name-row {
    display: flex;
  }

  .stage-gate {
    white-space: nowrap;
  }

  .artifact-table {
    min-width: 720px;
  }

  .storage-summary {
    width: 100%;
  }

  .architecture-section {
    grid-template-columns: 1fr;
    padding-bottom: 90px;
  }

  .architecture-cards article {
    padding: 86px 24px 26px;
  }

  .card-number {
    left: 24px;
    top: 24px;
  }

  .site-footer {
    min-height: 190px;
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 32px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Judge-focused product proof: concise story, visible orchestration, no backend changes. */
main {
  display: flex;
  flex-direction: column;
}

.hero-focused { order: 1; }
.pipeline-proof-strip { order: 2; }
#generate { order: 3; }
#proof { order: 4; }
#library { order: 5; }
#how-it-works { order: 6; }

.hero-focused {
  min-height: 690px;
  grid-template-columns: minmax(0, 1.02fr) minmax(430px, 0.78fr);
  gap: clamp(42px, 6vw, 94px);
}

.hero-focused h1 {
  max-width: 850px;
  font-size: clamp(56px, 7.2vw, 110px);
}

.hero-focused .hero-deck {
  max-width: 760px;
  margin-top: 28px;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
}

.hero-text-link {
  align-self: center;
  color: var(--blue);
  font-size: 12px;
  text-underline-offset: 5px;
}

.hero-evidence {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 800px;
  margin: 30px 0 0;
  border: 1px solid var(--line-dark);
  background: rgba(251, 248, 240, 0.72);
}

.hero-evidence > div {
  min-width: 0;
  padding: 13px 14px;
  border-right: 1px solid var(--line-dark);
}

.hero-evidence > div:last-child { border-right: 0; }

.hero-evidence dt {
  color: var(--ink-soft);
  font: 8px/1.3 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-evidence dd {
  margin: 5px 0 0;
  font-family: var(--font-main);
  font-size: 17px;
  line-height: 1.1;
}

.hero-system-card {
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 22px;
  background: var(--paper-light);
  box-shadow: 12px 12px 0 var(--blue);
}

.hero-system-head {
  display: grid;
  gap: 5px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper-light);
}

.hero-system-head span,
.hero-pipeline span,
.hero-system-footer {
  font: 8px/1.4 var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-system-head span { color: var(--yellow); }

.hero-system-head strong {
  font-family: var(--font-main);
  font-size: 24px;
  font-weight: 400;
}

.hero-pipeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-pipeline li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 70px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--line);
}

.hero-pipeline li:nth-child(2) { background: rgba(241, 90, 53, 0.07); }
.hero-pipeline li:nth-child(3) { background: rgba(17, 119, 90, 0.07); }
.hero-pipeline li:nth-child(4) { background: rgba(244, 196, 81, 0.14); }
.hero-pipeline li:nth-child(5) { background: rgba(19, 89, 199, 0.07); }

.hero-pipeline b {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font: 8px var(--font-mono);
}

.hero-pipeline div { display: grid; gap: 3px; }

.hero-pipeline strong {
  font-family: var(--font-main);
  font-size: 18px;
  font-weight: 400;
}

.hero-pipeline span { color: var(--ink-soft); }

.hero-system-footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 22px;
  color: var(--green);
  background: var(--green-light);
}

.hero-system-footer span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-system-footer i {
  width: 7px;
  height: 7px;
  display: block;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px rgba(17, 119, 90, 0.12);
}

.pipeline-proof-strip {
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto auto minmax(180px, 1fr);
  gap: 16px;
  align-items: center;
  padding: 20px 24px;
  border: 1px solid var(--ink);
  color: var(--paper-light);
  background: var(--ink);
  box-shadow: var(--shadow);
}

.pipeline-proof-strip strong {
  color: var(--yellow);
  font: 10px var(--font-mono);
  letter-spacing: 0.08em;
}

.pipeline-proof-strip span {
  color: #c6c0b7;
  font-size: 11px;
}

.pipeline-proof-strip i { color: var(--orange); }

.generator-section,
.lesson-library-section,
.technical-proof-section,
.architecture-section {
  padding-top: 104px;
}

.sample-run-button {
  width: 100%;
  display: grid;
  gap: 5px;
  padding: 17px 18px;
  border: 1px solid var(--green);
  border-radius: 14px;
  color: var(--ink);
  background: var(--green-light);
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.sample-run-button:hover:not(:disabled),
.sample-run-button.is-selected {
  transform: translateY(-2px);
  box-shadow: 0 7px 0 rgba(17, 119, 90, 0.22);
  background: #cce9de;
}

.sample-run-button:disabled { cursor: wait; opacity: 0.58; }

.sample-run-button > span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
  font: 8px var(--font-mono);
  letter-spacing: 0.07em;
}

.sample-run-button i {
  width: 6px;
  height: 6px;
  display: block;
  border-radius: 50%;
  background: currentColor;
}

.sample-run-button strong {
  font-family: var(--font-main);
  font-size: 20px;
  font-weight: 400;
}

.sample-run-button small { color: var(--ink-soft); font-size: 10px; }

.upload-divider {
  position: relative;
  margin: 19px 0;
  border-top: 1px solid var(--line);
  text-align: center;
}

.upload-divider span {
  position: relative;
  top: -10px;
  padding: 0 10px;
  color: var(--ink-soft);
  background: var(--paper-light);
  font: 8px var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.drop-zone.is-sample {
  border-color: var(--green);
  background: #f6fbf8;
}

.drop-zone.is-sample img { object-fit: contain; }

.generation-message.sample-ready {
  color: var(--green);
  background: var(--green-light);
}

.proof-receipt-copy { grid-column: 1; }

.proof-system-map {
  grid-column: 2;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line-dark);
  list-style: none;
  background: white;
}

.proof-system-map li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 58px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
}

.proof-system-map li:last-child { border-bottom: 0; }

.proof-system-map b {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--blue);
  border-radius: 50%;
  color: var(--blue);
  font: 7px var(--font-mono);
}

.proof-system-map span { display: grid; gap: 2px; }

.proof-system-map strong {
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 400;
}

.proof-system-map small {
  color: var(--ink-soft);
  font: 8px var(--font-mono);
}

.proof-benefits,
.proof-receipt-actions,
.proof-facts-compact {
  grid-column: 1 / -1;
}

.proof-benefits code {
  overflow-wrap: anywhere;
  color: var(--blue);
  font-family: var(--font-mono);
}

.publisher-use-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(360px, 1.1fr);
  border: 1px solid var(--ink);
  background: var(--paper-light);
}

.publisher-use-panel > ul {
  display: grid;
  align-content: center;
  gap: 17px;
  margin: 0;
  padding: 30px 34px 30px 54px;
  border-right: 1px solid var(--ink);
}

.publisher-use-panel li {
  padding-left: 4px;
  font-size: 13px;
  line-height: 1.45;
}

.publisher-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
}

.publisher-metrics > div {
  min-height: 130px;
  display: grid;
  align-content: center;
  gap: 7px;
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.publisher-metrics > div:nth-child(2n) { border-right: 0; }
.publisher-metrics > div:nth-last-child(-n + 2) { border-bottom: 0; }
.publisher-metrics > div:nth-child(2) { background: var(--orange-light); }
.publisher-metrics > div:nth-child(3) { background: var(--blue-light); }
.publisher-metrics > div:nth-child(4) { background: var(--green-light); }

.publisher-metrics dt {
  color: var(--ink-soft);
  font: 8px var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.publisher-metrics dd {
  margin: 0;
  font-family: var(--font-main);
  font-size: 23px;
  line-height: 1.05;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

@media (max-width: 1120px) {
  .hero-focused {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
    gap: 42px;
  }

  .hero-evidence { grid-template-columns: 1fr 1fr; }
  .hero-evidence > div:nth-child(2) { border-right: 0; }
  .hero-evidence > div:nth-child(-n + 2) { border-bottom: 1px solid var(--line-dark); }

  .publisher-use-panel { grid-template-columns: 1fr; }
  .publisher-use-panel > ul { border-right: 0; border-bottom: 1px solid var(--ink); }
}

@media (max-width: 760px) {
  .hero-focused {
    grid-template-columns: 1fr;
    gap: 38px;
    padding-top: 54px;
  }

  .hero-focused h1 { font-size: clamp(46px, 13.7vw, 62px); }
  .hero-focused h1 em { display: inline; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { text-align: center; }
  .hero-text-link { align-self: flex-start; }
  .hero-evidence { max-width: none; }
  .hero-evidence dd { font-size: 15px; }
  .hero-system-card { box-shadow: 7px 7px 0 var(--blue); }
  .hero-system-footer { align-items: flex-start; flex-direction: column; }

  .pipeline-proof-strip {
    grid-template-columns: 1fr;
    gap: 7px;
    padding: 20px;
  }

  .pipeline-proof-strip i { transform: rotate(90deg); }

  .generator-section,
  .lesson-library-section,
  .technical-proof-section,
  .architecture-section {
    padding-top: 82px;
  }

  .proof-system-map,
  .proof-receipt-copy { grid-column: 1; }

  .publisher-use-panel > ul { padding: 25px 24px 25px 42px; }
  .publisher-metrics { grid-template-columns: 1fr; }
  .publisher-metrics > div { min-height: 105px; border-right: 0; }
  .publisher-metrics > div:nth-last-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .publisher-metrics > div:last-child { border-bottom: 0; }

  .site-footer nav { justify-content: flex-start; }
}

@media (min-width: 761px) {
  .lesson-catalog {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  }
}

/* Judge-first prepared run */
.generator-section,
.generator-grid,
.upload-console,
.generation-console,
.live-output-feed {
  overflow-anchor: none;
}

.generator-grid {
  grid-template-columns: minmax(370px, 0.52fr) minmax(0, 1.48fr);
}

.upload-console {
  display: flex;
  flex-direction: column;
}

.upload-console-head { order: 0; }
.sample-run-button { order: 1; }
.prepared-source-card { order: 2; }
.own-question-disclosure { order: 3; }

.prepared-source-card {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 12px;
  border: 1px solid var(--line-dark);
  border-radius: 16px;
  background: #fff;
}

.prepared-source-card figcaption {
  display: grid;
  gap: 3px;
}

.prepared-source-card figcaption span {
  color: var(--blue);
  font: 8px var(--font-mono);
  letter-spacing: 0.08em;
}

.prepared-source-card figcaption strong {
  font-family: var(--font-main);
  font-size: 20px;
  font-weight: 400;
}

.prepared-source-card figcaption small {
  color: var(--ink-soft);
  font-size: 10px;
}

.prepared-source-card img {
  width: 100%;
  height: min(43vh, 455px);
  min-height: 320px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8f5ed;
}

.prepared-source-card > a {
  justify-self: end;
  color: var(--blue);
  font: 9px var(--font-mono);
  text-decoration: none;
}

.sample-run-button {
  position: relative;
  padding: 18px 52px 18px 18px;
}

.sample-run-button::after {
  content: "→";
  position: absolute;
  right: 18px;
  top: 50%;
  color: var(--green);
  font-size: 27px;
  transform: translateY(-50%);
  transition: transform 160ms ease;
}

.sample-run-button:hover::after {
  transform: translate(4px, -50%);
}

.sample-run-button strong {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 22px;
}

.sample-run-button strong b {
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--green);
  font: 10px var(--font-sans);
}

.sample-run-button small {
  font-size: 11px;
}

.own-question-disclosure {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
}

.own-question-disclosure > summary {
  position: relative;
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.own-question-disclosure > summary::-webkit-details-marker { display: none; }

.own-question-disclosure > summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  font: 22px var(--font-main);
}

.own-question-disclosure[open] > summary::after { content: "−"; }

.own-question-disclosure > summary span {
  font-family: var(--font-main);
  font-size: 17px;
}

.own-question-disclosure > summary small {
  color: var(--ink-soft);
  font-size: 9px;
}

.own-question-body {
  display: grid;
  gap: 13px;
  padding: 0 14px 14px;
  border-top: 1px solid var(--line);
}

.own-question-body .drop-zone {
  min-height: 220px;
  margin-top: 14px;
}

.autofollow-pill {
  border: 1px solid #a8c5bb;
  border-radius: 999px;
  color: var(--green);
  background: white;
  cursor: pointer;
}

.autofollow-pill.is-active {
  color: white;
  background: var(--green);
}

.generation-stages {
  grid-template-columns: repeat(5, minmax(125px, 1fr)) minmax(155px, 1.12fr);
}

.generation-stages li[data-stage="package"] {
  position: relative;
  margin-left: 18px;
  border-left: 2px dashed var(--blue);
  background: var(--blue-light);
}

.generation-stages li[data-stage="package"]::before {
  content: "→";
  position: absolute;
  left: -17px;
  top: 36px;
  color: var(--blue);
  font: 15px var(--font-mono);
}

.generation-stages li[data-stage="package"].complete {
  background: #dce9fb;
}

.generation-stages li[data-stage="package"] .stage-node {
  border-color: var(--blue);
  color: var(--blue);
}

.stage-card-copy strong { font-size: 13px; }
.stage-card-copy small,
.stage-state { font-size: 8px; }

.solution-steps {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(min(620px, 84vw), 1fr);
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.solution-step {
  scroll-snap-align: start;
}

.production-readiness-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line-dark);
  background: white;
}

.challenge-build-note {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.66);
}

.challenge-build-note > div {
  display: grid;
  gap: 7px;
  padding: 18px;
}

.challenge-build-note > div + div {
  border-left: 1px solid var(--line);
  background: rgba(21, 94, 239, 0.055);
}

.challenge-build-note span {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.12em;
}

.challenge-build-note strong {
  font-size: 0.9rem;
  line-height: 1.45;
}

.production-readiness-grid > div {
  min-height: 112px;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 17px;
  border-right: 1px solid var(--line);
}

.production-readiness-grid > div:last-child { border-right: 0; }
.production-readiness-grid span { color: var(--blue); font: 8px var(--font-mono); }
.production-readiness-grid strong { font-family: var(--font-main); font-size: 21px; font-weight: 400; }
.production-readiness-grid p { margin: 0; color: var(--ink-soft); font-size: 10px; line-height: 1.4; }

.proof-receipt-copy code {
  color: var(--blue);
  font: 0.9em var(--font-mono);
}

.generated-result-meta {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.generated-result-links {
  flex-wrap: wrap;
}

@media (max-width: 1120px) {
  .generator-grid { grid-template-columns: 1fr; }
  .upload-console { display: flex; }
  .prepared-source-card img { height: min(58vh, 620px); }
}

@media (max-width: 760px) {
  .challenge-build-note { grid-template-columns: 1fr; }
  .challenge-build-note > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .prepared-source-card img { min-height: 260px; height: 55vh; }
  .generation-stages { grid-template-columns: repeat(5, minmax(145px, 1fr)) minmax(165px, 1fr); }
  .production-readiness-grid { grid-template-columns: 1fr 1fr; }
  .production-readiness-grid > div { border-bottom: 1px solid var(--line); }
  .production-readiness-grid > div:nth-child(2n) { border-right: 0; }
  .production-readiness-grid > div:last-child { border-bottom: 0; }
  .generated-result-meta { grid-template-columns: 1fr 1fr; }
  .solution-steps { grid-auto-columns: minmax(86vw, 1fr); }
}

/* Final judge-demo contract: fixed width, one teaching step, no horizontal motion. */
.generator-section { overflow: clip; }
.generator-heading { grid-template-columns: minmax(0, 1fr) minmax(260px, 420px); align-items: end; }
.generator-grid { grid-template-columns: minmax(280px, 350px) minmax(0, 1fr); align-items: start; gap: 20px; }
.upload-console,
.generation-console,
.pipeline-workspace,
.generation-stage-panel,
.generation-waiting,
.live-output-feed { min-width: 0; max-width: 100%; }
.upload-console { position: sticky; top: 80px; }
.prepared-source-card img { height: auto; max-height: 470px; object-fit: contain; }
.sample-run-button { min-height: 150px; }
.generation-console-head { min-height: 92px; }
.generation-run-id { display: none; }
.pipeline-rail { overflow: hidden; border-bottom: 1px solid var(--line); }
.pipeline-rail-head { min-height: 70px; padding: 16px 20px; }
.pipeline-rail-head > div { max-width: none; }
.pipeline-rail-head span { font-size: 8px; }
.pipeline-rail-head strong { margin-top: 5px; font-size: 13px; }
.generation-stages {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr)) minmax(90px, 0.8fr);
  width: 100%;
  min-width: 0;
  overflow: hidden;
}
.generation-stages li,
.generation-stages li[data-stage="package"] {
  min-width: 0;
  min-height: 92px;
  margin-left: 0;
  padding: 13px 10px;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  border-right: 1px solid var(--line);
  border-left: 0;
}
.generation-stages li[data-stage="package"]::before { display: none; }
.stage-node { width: 26px; height: 26px; }
.stage-node b { font-size: 8px; }
.stage-card-copy,
.stage-card-copy > div { min-width: 0; }
.stage-card-copy > div { display: grid; gap: 4px; }
.stage-card-copy strong,
.stage-card-copy small {
  display: block;
  overflow: hidden;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.stage-card-copy strong { font-size: 12px; }
.stage-card-copy small { display: none; }
.stage-state,
.stage-card-copy p { display: none; }
.generation-stage-panel { min-height: 690px; background: #f6f3eb; }
.generation-waiting {
  display: grid;
  grid-template-rows: auto auto minmax(440px, 1fr) auto;
  min-height: 690px;
  padding: 24px;
  overflow: hidden;
}
.stage-monitor-copy { max-width: 720px; margin: 16px 0 14px; }
.stage-monitor-copy h3 { max-width: 680px; font-size: clamp(26px, 2.5vw, 38px); line-height: 1.02; }
.stage-monitor-copy p { max-width: 660px; margin-top: 7px; font-size: 12px; line-height: 1.45; }
.live-output-feed {
  height: 440px;
  min-height: 440px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}
.live-output-section { width: 100%; max-width: 100%; margin: 0; }
.live-output-heading { min-height: 62px; padding: 14px 18px; }
.live-output-heading h4 { font-size: 18px; }
.live-output-heading > strong { font-size: 9px; white-space: nowrap; }
.solution-answer { padding: 12px 18px; }
.solution-answer strong { font-size: 22px; }
.solution-step-progress { display: grid; grid-template-columns: repeat(4, 30px); gap: 8px; padding: 14px 18px 0; }
.solution-step-progress span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  color: var(--ink-soft);
  background: white;
  font: 9px var(--font-mono);
}
.solution-step-progress span.done { border-color: var(--green); color: var(--green); background: #e4f2eb; }
.solution-step-progress span.current { border-color: var(--blue); color: white; background: var(--blue); }
.solution-steps { display: block; width: 100%; overflow: visible; }
.solution-step,
.solution-step:has(.lesson-step-frame) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.82fr);
  width: 100%;
  min-width: 0;
  min-height: 280px;
  margin: 14px 0 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: white;
  scroll-snap-align: none;
}
.solution-step-head { grid-column: 1; padding: 20px 22px 8px; }
.solution-step:has(.lesson-step-frame) .lesson-step-frame {
  grid-column: 2;
  grid-row: 1 / span 5;
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  border-left: 1px solid var(--line);
}
.solution-step:has(.lesson-step-frame) > p,
.solution-step:has(.lesson-step-frame) > .solution-board,
.solution-step:has(.lesson-step-frame) > .solution-claim,
.solution-step > p,
.solution-board,
.solution-claim { display: block; grid-column: 1; margin-right: 22px; margin-left: 22px; }
.solution-step > p { margin-top: 8px; font-size: 13px; line-height: 1.5; }
.solution-board { padding: 12px 14px; overflow: hidden; }
.solution-board code { overflow: hidden; font-size: 11px; line-height: 1.5; text-overflow: ellipsis; white-space: nowrap; }
.solution-claim { margin-bottom: 18px; }
.live-output-status { min-height: 92px; }
.replay-events { display: none; }
.monitor-footer { min-height: 70px; }
.generated-result { min-width: 0; overflow: hidden; }
.generated-result video { display: block; width: 100%; max-width: 100%; aspect-ratio: 16 / 9; background: #111; }
.generated-result-meta { grid-template-columns: repeat(5, minmax(0, 1fr)); }

@media (max-width: 1120px) {
  .generator-heading { grid-template-columns: 1fr; }
  .generator-grid { grid-template-columns: 1fr; }
  .upload-console { position: static; }
  .prepared-source-card img { max-height: 540px; }
}

@media (max-width: 760px) {
  .generation-stages { grid-template-columns: repeat(3, minmax(0, 1fr)); overflow: visible; }
  .generation-stages li,
  .generation-stages li[data-stage="package"] { min-height: 76px; }
  .generation-waiting { grid-template-rows: auto auto minmax(480px, 1fr) auto; min-height: 740px; padding: 18px; }
  .live-output-feed { height: 480px; min-height: 480px; }
  .solution-step,
  .solution-step:has(.lesson-step-frame) { display: block; }
  .solution-step:has(.lesson-step-frame) .lesson-step-frame {
    width: 100%;
    height: 210px;
    min-height: 210px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
  .generated-result-meta { grid-template-columns: 1fr 1fr; }
}

/* Production replay detail card: explain the current operation without exposing raw logs. */
.stage-operation {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(145px, 0.34fr) minmax(125px, 0.28fr);
  gap: 0;
  min-height: 104px;
  margin: 0 0 14px;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 8px 24px rgba(18, 39, 33, 0.06);
  animation: stage-operation-arrive 520ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.generation-waiting {
  grid-template-rows: auto auto auto minmax(440px, 1fr) auto;
}

.stage-operation::after {
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  content: "";
  background: var(--stage-accent, var(--blue));
  transform-origin: left;
  animation: stage-operation-progress 2.4s ease-in-out infinite;
}

.stage-operation-main,
.stage-operation-output,
.stage-operation-status {
  display: grid;
  align-content: center;
  gap: 6px;
  min-width: 0;
  padding: 16px 18px;
}

.stage-operation-main { gap: 5px; }

.stage-operation-output,
.stage-operation-status {
  border-left: 1px solid var(--line);
  background: rgba(246, 243, 235, 0.7);
}

.stage-operation-kicker,
.stage-operation-output > span,
.stage-operation-status > span {
  color: var(--stage-accent, var(--blue));
  font: 8px/1.2 var(--font-mono);
  letter-spacing: 0.13em;
}

.stage-operation-main strong {
  max-width: 680px;
  font-family: var(--font-main);
  font-size: clamp(16px, 1.55vw, 22px);
  font-weight: 400;
  line-height: 1.12;
}

.stage-operation-main p {
  max-width: 720px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.45;
}

.stage-operation-output strong,
.stage-operation-status strong {
  overflow: hidden;
  color: var(--ink);
  font: 11px/1.3 var(--font-mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stage-operation-status strong::before {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin: 0 7px 1px 0;
  content: "";
  border-radius: 50%;
  background: var(--stage-accent, var(--blue));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--stage-accent, var(--blue)) 14%, transparent);
  animation: stage-status-pulse 1.8s ease-in-out infinite;
}

.stage-operation[data-stage="idle"],
.stage-operation[data-stage="queued"] { --stage-accent: var(--ink-soft); }
.stage-operation[data-stage="formalizer"] { --stage-accent: var(--orange); }
.stage-operation[data-stage="solver"] { --stage-accent: var(--green); }
.stage-operation[data-stage="presentation"] { --stage-accent: var(--blue); }
.stage-operation[data-stage="tts"] { --stage-accent: #8a5fbd; }
.stage-operation[data-stage="video"] { --stage-accent: #b85e34; }
.stage-operation[data-stage="genblaze"],
.stage-operation[data-stage="completed"] { --stage-accent: var(--green); }
.stage-operation[data-stage="failed"] { --stage-accent: #b43e38; }

.stage-operation[data-stage="completed"]::after,
.stage-operation[data-stage="failed"]::after { animation: none; }

.grounding-transform {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: #f7f7f3;
  border-bottom: 1px solid var(--line);
  animation: output-arrive 520ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.grounding-transform-panel {
  display: grid;
  gap: 7px;
  min-width: 0;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: white;
}

.grounding-transform-panel.is-result { border-color: rgba(28, 119, 82, 0.55); }

.grounding-transform-panel figcaption {
  color: var(--ink-soft);
  font: 8px var(--font-mono);
  letter-spacing: 0.12em;
}

.grounding-transform-image {
  display: block;
  width: 100%;
  height: 142px;
  object-fit: contain;
  background: #fbfbf8;
}

.grounding-transform-arrow {
  display: grid;
  justify-items: center;
  gap: 6px;
  color: var(--orange);
  font-family: var(--font-mono);
}

.grounding-transform-arrow span { font-size: 7px; letter-spacing: 0.1em; }
.grounding-transform-arrow b { font: 22px var(--font-main); animation: arrow-nudge 1.7s ease-in-out infinite; }

.presentation-output,
.tts-output,
.video-output { animation: output-arrive 620ms cubic-bezier(0.2, 0.75, 0.2, 1) both; }

.presentation-preview,
.video-render-poster {
  display: block;
  width: min(100%, 620px);
  max-height: 265px;
  margin: 12px auto 0;
  object-fit: contain;
  background: #fbfbf8;
  border: 1px solid var(--line);
}

.tts-output audio {
  display: block;
  width: calc(100% - 36px);
  margin: 15px 18px 8px;
}

.tts-output-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0 18px 4px;
}

.tts-output-meta span {
  padding: 5px 7px;
  color: var(--green);
  background: var(--green-light);
  border: 1px solid rgba(28, 119, 82, 0.24);
  font: 8px var(--font-mono);
  letter-spacing: 0.05em;
}

@keyframes stage-operation-arrive {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes stage-operation-progress {
  0%, 100% { transform: scaleX(0.12); opacity: 0.35; }
  50% { transform: scaleX(0.82); opacity: 1; }
}

@keyframes stage-status-pulse {
  0%, 100% { opacity: 0.55; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

@keyframes arrow-nudge {
  0%, 100% { transform: translateX(-2px); opacity: 0.65; }
  50% { transform: translateX(3px); opacity: 1; }
}

@media (max-width: 760px) {
  .generation-waiting { grid-template-rows: auto auto auto minmax(480px, 1fr) auto; }
  .stage-operation { grid-template-columns: 1fr 1fr; }
  .stage-operation-main { grid-column: 1 / -1; }
  .stage-operation-output,
  .stage-operation-status { padding: 12px 14px; }
  .stage-operation-main { padding: 14px; }
  .stage-operation-main strong { font-size: 17px; }
  .stage-operation-main p { font-size: 10px; }
  .grounding-transform { grid-template-columns: 1fr; gap: 7px; }
  .grounding-transform-arrow { grid-template-columns: auto auto; justify-content: center; align-items: center; }
  .grounding-transform-arrow b { transform: rotate(90deg); }
  .grounding-transform-image { height: 126px; }
}

@media (prefers-reduced-motion: reduce) {
  .stage-operation,
  .grounding-transform,
  .presentation-output,
  .tts-output,
  .video-output { animation: none; }
  .stage-operation::after,
  .stage-operation-status strong::before,
  .grounding-transform-arrow b { animation: none; }
}

/* Editorial product layer: keep the workflow legible before exposing receipts. */
:root {
  --paper: #f7f5ef;
  --paper-deep: #e9e5dc;
  --paper-light: #fffdf8;
  --ink: #15221e;
  --ink-soft: #5b6761;
  --line: #d9d7ce;
  --line-dark: #9ba39d;
  --orange: #e86032;
  --orange-light: #fbe2d7;
  --blue: #245c4c;
  --blue-light: #dfece7;
  --green: #167055;
  --green-light: #ddf0e8;
  --yellow: #f0c766;
  --font-main: "Matsorik Main", Georgia, serif;
  --font-sans: "Matsorik Sans", "Trebuchet MS", sans-serif;
}

body {
  background:
    radial-gradient(circle at 8% 4%, rgba(232, 96, 50, 0.08), transparent 25rem),
    radial-gradient(circle at 92% 18%, rgba(36, 92, 76, 0.1), transparent 32rem),
    var(--paper);
  font-size: 17px;
  line-height: 1.65;
}

.page-grid {
  opacity: 0.1;
  background-size: 48px 48px;
}

.site-header {
  min-height: 82px;
}

.site-nav {
  gap: 24px;
}

.site-nav a {
  font-size: 11px;
}

.hero-focused {
  min-height: 650px;
  grid-template-columns: minmax(0, 1.1fr) minmax(390px, 0.75fr);
  gap: clamp(44px, 6vw, 88px);
  padding-top: 76px;
  padding-bottom: 72px;
}

.hero-focused h1 {
  max-width: 900px;
  font-size: clamp(54px, 6.7vw, 102px);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.045em;
}

.hero-focused h1 em {
  color: var(--orange);
  font-style: italic;
}

.hero-focused .hero-deck {
  max-width: 720px;
  font-size: clamp(17px, 1.25vw, 20px);
  line-height: 1.62;
}

.hero-evidence {
  border-color: var(--line);
  border-radius: 14px;
  background: rgba(255, 253, 248, 0.88);
  overflow: hidden;
}

.hero-evidence > div {
  min-height: 74px;
  padding: 15px 16px;
  border-color: var(--line);
}

.hero-evidence dd {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
}

.hero-system-card {
  border-color: #263d35;
  border-radius: 18px;
  box-shadow: 10px 10px 0 rgba(36, 92, 76, 0.19);
}

.hero-system-head {
  padding: 24px 26px;
  background: #19352c;
}

.hero-system-head strong {
  max-width: 410px;
  font-size: 26px;
  line-height: 1.15;
}

.hero-package-preview {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) 38px minmax(0, 1.1fr);
  gap: 14px;
  align-items: center;
  padding: 24px;
}

.package-preview-source,
.package-preview-files {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.package-preview-source > span,
.package-preview-files > span {
  color: var(--ink-soft);
  font: 9px var(--font-mono);
  letter-spacing: 0.12em;
}

.package-preview-source img {
  display: block;
  width: 100%;
  height: 250px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
}

.package-preview-arrow {
  color: var(--orange);
  font: 30px var(--font-main);
  text-align: center;
}

.package-preview-files strong {
  font: 24px/1.1 var(--font-main);
  font-weight: 400;
}

.package-preview-files ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.package-preview-files li {
  position: relative;
  padding: 9px 10px 9px 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8faf8;
  font-size: 11px;
  line-height: 1.35;
}

.package-preview-files li::before {
  position: absolute;
  left: 11px;
  content: "\2713";
  color: var(--green);
  font-weight: 700;
}

.hero-system-footer {
  color: #1d5e49;
  background: #e5f2ec;
}

.pipeline-proof-strip {
  border: 0;
  border-radius: 14px;
  background: #19352c;
  box-shadow: 0 16px 42px rgba(25, 53, 44, 0.13);
}

.pipeline-proof-strip strong {
  color: #f4d484;
}

.pipeline-proof-strip span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  line-height: 1.45;
}

.generator-section,
.lesson-library-section,
.technical-proof-section,
.architecture-section {
  padding-top: 88px;
}

.section-heading h2,
.architecture-copy h2 {
  letter-spacing: -0.025em;
}

.generator-grid {
  grid-template-columns: minmax(310px, 350px) minmax(0, 1fr);
  gap: 24px;
}

.upload-console,
.generation-console,
.library-showcase,
.proof-disclosure,
.publisher-use-panel {
  border-color: var(--line-dark);
  border-radius: 16px;
  overflow: hidden;
}

.upload-console {
  box-shadow: 0 15px 38px rgba(21, 34, 30, 0.06);
}

.sample-run-button {
  border-radius: 10px;
  box-shadow: none;
}

.generation-console {
  box-shadow: 0 22px 55px rgba(21, 34, 30, 0.1);
}

.generation-console-head,
.pipeline-rail-head {
  background: #19352c;
}

.generation-waiting {
  min-height: 660px;
}

.stage-monitor-copy h3,
.stage-operation-main strong,
.workspace-empty-head strong,
.generated-result-head strong {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stage-operation {
  border-radius: 10px;
  box-shadow: none;
}

.generated-result > video {
  max-height: 540px;
  background: #101613;
}

.generated-result-meta {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.proof-disclosure > summary {
  background: #19352c;
}

.proof-content {
  background: #fbfaf6;
}

.proof-essentials {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.proof-essentials article {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
}

.proof-essentials span {
  color: var(--green);
  font: 9px var(--font-mono);
  letter-spacing: 0.1em;
}

.proof-essentials strong {
  font-size: 15px;
}

.proof-essentials p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.55;
}

.proof-system-map,
.production-readiness-grid,
.challenge-build-note,
.proof-benefits {
  margin-top: 6px;
}

.proof-system-map {
  border-radius: 12px;
  overflow: hidden;
}

.lesson-library-section {
  padding-top: 92px;
}

.library-impact-strip {
  border-radius: 14px;
  overflow: hidden;
}

.library-browser-head {
  margin-top: 56px;
}

.architecture-section {
  gap: 44px;
}

.publisher-use-panel > ul {
  gap: 22px;
  padding: 36px 36px 36px 58px;
}

.publisher-use-panel li {
  font-size: 14px;
}

.site-footer {
  margin-top: 100px;
}

@media (max-width: 1120px) {
  .hero-focused {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-system-card {
    max-width: 780px;
  }

  .proof-essentials {
    grid-template-columns: 1fr;
  }

  .generated-result-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .site-header {
    min-height: 72px;
  }

  .hero-focused {
    padding-top: 48px;
    padding-bottom: 50px;
  }

  .hero-focused h1 {
    font-size: clamp(46px, 13.5vw, 64px);
  }

  .hero-package-preview {
    grid-template-columns: 1fr;
  }

  .package-preview-arrow {
    transform: rotate(90deg);
  }

  .package-preview-source img {
    height: 220px;
  }

  .generator-grid {
    grid-template-columns: 1fr;
  }

  .upload-console {
    position: static;
  }

  .generated-result-meta {
    grid-template-columns: 1fr 1fr;
  }
}

/* Final scroll and contrast guard: keep this after legacy component rules. */
.generation-waiting,
.generation-stage-panel,
.pipeline-workspace,
.live-output-feed {
  height: auto !important;
  max-height: none !important;
  min-height: 0 !important;
  overflow: visible !important;
  overscroll-behavior: auto !important;
}

.live-output-feed {
  scrollbar-gutter: auto !important;
  scroll-behavior: auto;
}

.generation-console-head,
.pipeline-rail-head,
.proof-disclosure > summary { color: #f7f5ef !important; }
.generation-console-head strong,
.pipeline-rail-head strong,
.proof-disclosure > summary strong,
.proof-disclosure > summary small { color: #f7f5ef !important; }
.generation-console-head .console-index,
.pipeline-rail-head span,
.proof-disclosure > summary span { color: #a9d8c3 !important; }

@media (max-width: 760px) {
  .generation-stages { grid-template-columns: repeat(3, minmax(116px, 1fr)) !important; overflow-x: auto; overflow-y: hidden; }
}