:root {
  color-scheme: light;
  --ink: #172228;
  --muted: #607078;
  --faint: #7b8b90;
  --paper: #f4f6f6;
  --panel: #ffffff;
  --panel-soft: #edf2f3;
  --line: #c9d3d7;
  --line-strong: #aab8be;
  --navy: #172930;
  --mint: #0d766e;
  --teal: #07889a;
  --acid: #ddff3e;
  --warning: #a46709;
  --danger: #b73838;
  --success: #207c54;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-size: 15px;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

.wrap {
  width: min(1500px, 100%);
  margin: 0 auto;
  padding-right: 28px;
  padding-left: 28px;
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: #fffffff2;
  backdrop-filter: blur(12px);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--mint);
  color: var(--mint);
  font: 800 15px ui-monospace, SFMono-Regular, Menlo, monospace;
}

.header-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.header-links a {
  color: #42555a;
  font-size: 13px;
  font-weight: 700;
}

.header-links a:hover,
.header-links a:focus-visible {
  color: var(--mint);
}

.language-button,
.secondary-button {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--ink);
  background: transparent;
  font-weight: 760;
}

.language-button {
  min-width: 48px;
}

.primary-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid var(--acid);
  border-radius: 4px;
  color: var(--ink);
  background: var(--acid);
  font-weight: 820;
}

.primary-button:hover,
.primary-button:focus-visible {
  background: #e8ff76;
}

.primary-button:disabled {
  cursor: wait;
  opacity: .55;
}

.eyebrow {
  margin: 0;
  color: var(--mint);
  font: 800 11px ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase;
}

.review-heading {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: end;
  padding-top: 36px;
  padding-bottom: 26px;
}

.review-heading h1 {
  margin: 9px 0 8px;
  font-size: 34px;
  line-height: 1.15;
}

.heading-copy {
  max-width: 900px;
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.no-write-badge {
  flex: none;
  padding: 7px 9px;
  border: 1px solid var(--mint);
  color: var(--mint);
  font: 800 10px ui-monospace, SFMono-Regular, Menlo, monospace;
}

.case-context {
  min-height: 150px;
}

.review-grid.simple-review-grid { grid-template-columns: minmax(0, 1fr) 330px; }
.simple-review-grid .decision-column { grid-column: auto; }
.simple-review-grid .confirm-form { grid-template-columns: 1fr; }
.controller-selector { margin: 0; padding: 18px 24px; border: 0; border-bottom: 1px solid var(--line); }
.controller-selector legend { padding-top: 18px; font-size: 13px; font-weight: 700; }
.family-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; max-width: 380px; gap: 8px; }
.family-options label { display: flex; justify-content: center; align-items: center; gap: 5px; min-height: 38px; padding: 8px 5px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel-soft); font-size: 13px; }
.family-options span { min-width: 0; overflow-wrap: anywhere; }
.family-options label:has(input:checked) { border-color: var(--mint); background: #e5f3ed; }
.family-options input { accent-color: var(--mint); }
.kit-list { margin: 0; padding: 0; list-style: none; }
.kit-list li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 6px 16px; padding: 13px 24px; border-bottom: 1px solid var(--line); }
.kit-list li span { color: var(--muted); font-size: 13px; }
.kit-product { border: 0; padding: 0; text-align: left; font-size: 13px; font-weight: 750; color: var(--mint); background: none; overflow-wrap: anywhere; }
.kit-list small { grid-column: 2; color: var(--muted); font-size: 11px; }
.kit-list .own-stock { color: var(--success); }
.engineering-details summary, .confirm-form summary { cursor: pointer; color: var(--mint); font-weight: 700; font-size: 13px; }
.engineering-details[open] summary { margin-bottom: 16px; }
.simple-checks { padding-left: 18px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.confirm-form details label { display: grid; gap: 6px; margin-top: 12px; }
.review-heading h1 { font-size: 28px; }
.flow-node { overflow-wrap: anywhere; }
@media (max-width: 1000px) { .review-grid.simple-review-grid { grid-template-columns: 1fr; } }

.case-summary {
  display: grid;
  grid-template-columns: 218px minmax(0, 1fr) auto;
  border: 1px solid var(--line-strong);
  background: var(--panel);
}

.case-summary img {
  width: 218px;
  height: 148px;
  object-fit: cover;
  border-right: 1px solid var(--line);
}

.case-copy {
  min-width: 0;
  padding: 20px 22px;
}

.case-copy h2 {
  margin: 6px 0 8px;
  font-size: 25px;
}

.case-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.case-actions {
  display: flex;
  min-width: 185px;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 18px;
  border-left: 1px solid var(--line);
}

.case-actions a {
  text-align: center;
}

.loading-block {
  display: grid;
  min-height: 148px;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--panel);
}

.workspace-wrap {
  padding-top: 20px;
  padding-bottom: 60px;
}

.review-grid {
  display: grid;
  grid-template-columns: minmax(245px, .8fr) minmax(430px, 1.55fr) minmax(300px, 1fr);
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
  background: var(--panel);
}

.review-column {
  min-width: 0;
  min-height: 620px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.column-header {
  display: flex;
  gap: 12px;
  min-height: 88px;
  align-items: flex-start;
  padding: 17px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-soft);
}

.column-header > span {
  color: var(--mint);
  font: 800 12px ui-monospace, SFMono-Regular, Menlo, monospace;
}

.column-header h2 {
  margin: 0 0 5px;
  font-size: 17px;
}

.column-header p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

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

.requirement-list li,
.column-section {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
}

.requirement-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
}

.requirement-list p,
.section-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.source-hints h3 {
  margin: 0 0 5px;
  font-size: 14px;
}

.source-hints ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 13px 0 0;
  padding: 0;
  list-style: none;
}

.source-hints li {
  padding: 5px 7px;
  border: 1px dashed var(--warning);
  color: #765713;
  background: #fff7df;
  font-size: 10px;
}

.architecture-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 30px minmax(0, 1.1fr) 30px minmax(0, 1fr);
  align-items: stretch;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.flow-node {
  display: grid;
  min-height: 76px;
  place-items: center;
  padding: 10px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: var(--panel-soft);
  text-align: center;
  font-size: 11px;
  font-weight: 760;
  line-height: 1.4;
}

.flow-node.controller {
  border-color: var(--mint);
  color: #ffffff;
  background: var(--navy);
}

.flow-arrow {
  display: grid;
  place-items: center;
  color: var(--mint);
  font-size: 18px;
  pointer-events: none;
}

.flow-arrow span {
  display: block;
}

.controller-row {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.controller-row span,
.module-heading span,
.verdict-row span {
  color: var(--faint);
  font-size: 10px;
  text-transform: uppercase;
}

.controller-row strong {
  display: block;
  margin: 5px 0;
  font-size: 15px;
}

.controller-row code,
.module-item code {
  color: var(--muted);
  font: 10px ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
}

.module-group {
  border-bottom: 1px solid var(--line);
}

.module-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 18px;
  background: #f8f9f9;
}

.module-heading strong {
  font-size: 12px;
}

.module-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.module-item {
  min-width: 0;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
}

.module-item:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.module-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
}

.module-item p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

.decision-column {
  background: #fbfcfc;
}

.verdict-box {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.verdict-state {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.verdict-state strong {
  font-size: 15px;
}

.status-chip {
  padding: 5px 7px;
  border: 1px solid var(--warning);
  color: var(--warning);
  font-size: 9px;
  font-weight: 800;
}

.status-chip.blocked {
  border-color: var(--danger);
  color: var(--danger);
}

.verdict-row {
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.verdict-row:last-child {
  border-bottom: 0;
}

.verdict-row strong {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.45;
}

.gate-list {
  margin: 10px 0 0;
  padding-left: 17px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
}

.confirm-form {
  display: grid;
  gap: 12px;
  padding: 17px 18px;
}

.confirm-form label > span {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 720;
}

.confirm-form input,
.confirm-form select,
.confirm-form textarea {
  width: 100%;
  min-height: 39px;
  padding: 9px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  outline: none;
  color: var(--ink);
  background: var(--panel);
}

.confirm-form input:focus,
.confirm-form select:focus,
.confirm-form textarea:focus {
  border-color: var(--mint);
  outline: 2px solid #72d8b834;
  outline-offset: 1px;
}

.confirm-form textarea {
  min-height: 88px;
  resize: vertical;
  line-height: 1.45;
}

.field-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.acknowledgement {
  display: flex;
  gap: 8px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

.acknowledgement input {
  width: 16px;
  min-height: 16px;
  flex: none;
  margin-top: 1px;
}

.acknowledgement span {
  margin: 0 !important;
  font-weight: 400 !important;
}

.form-message {
  min-height: 16px;
  margin: 0;
  color: var(--danger);
  font-size: 10px;
  line-height: 1.4;
}

.creation-result {
  margin: 0 18px 18px;
  padding: 14px;
  border: 1px solid var(--success);
  color: #165e3f;
  background: #ecf8f1;
}

.creation-result h3 {
  margin: 0 0 9px;
  font-size: 14px;
}

.creation-result dl {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 5px 9px;
  margin: 0 0 12px;
  font-size: 10px;
}

.creation-result dt {
  color: var(--muted);
}

.creation-result dd {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
}

.evidence-strip {
  display: grid;
  grid-template-columns: minmax(220px, .5fr) minmax(0, 1.5fr);
  gap: 28px;
  padding: 20px 22px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
  background: var(--navy);
  color: #ffffff;
}

.evidence-strip h2 {
  margin: 7px 0 0;
  font-size: 18px;
}

.evidence-strip.engineering-details { display: block; background: var(--panel); color: var(--ink); }
.evidence-strip.engineering-details .evidence-facts { margin-top: 20px; }
.evidence-strip.engineering-details .evidence-facts div { border-color: var(--line); }
.evidence-strip.engineering-details .evidence-facts span { color: var(--muted); }

.evidence-strip .eyebrow {
  color: #77dcc8;
}

.evidence-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.evidence-facts div {
  min-width: 0;
  border-left: 1px solid #ffffff33;
  padding-left: 12px;
}

.evidence-facts span {
  display: block;
  color: #b7c5c8;
  font-size: 9px;
  text-transform: uppercase;
}

.evidence-facts strong {
  display: block;
  margin-top: 5px;
  font-size: 10px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.error-view {
  padding-top: 80px;
  padding-bottom: 80px;
}

.error-view h1 {
  margin: 10px 0;
}

.error-view > p:not(.eyebrow) {
  color: var(--muted);
}

.error-actions {
  display: flex;
  gap: 9px;
  margin-top: 24px;
}

@media (max-width: 1100px) {
  .review-grid {
    grid-template-columns: minmax(230px, .8fr) minmax(420px, 1.4fr);
  }

  .decision-column {
    grid-column: 1 / -1;
    min-height: 0;
  }

  .decision-column .column-header {
    min-height: 76px;
  }

  .confirm-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .confirm-form > label:nth-of-type(3),
  .confirm-form .acknowledgement,
  .confirm-form .form-message,
  .confirm-form .primary-button {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .wrap {
    padding-right: 16px;
    padding-left: 16px;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .header-links {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .review-heading {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 28px;
  }

  .review-heading h1 {
    font-size: 29px;
  }

  .case-summary {
    grid-template-columns: 1fr;
  }

  .case-summary img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .case-actions {
    min-width: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

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

  .review-column,
  .decision-column {
    min-height: 0;
    grid-column: auto;
  }

  .architecture-flow {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .flow-arrow {
    height: 24px;
  }

  .flow-arrow span {
    transform: rotate(90deg);
  }

  .module-list,
  .confirm-form,
  .field-pair,
  .evidence-strip,
  .evidence-facts {
    grid-template-columns: 1fr;
  }

  .module-item:nth-child(odd) {
    border-right: 0;
  }

  .confirm-form > label:nth-of-type(3),
  .confirm-form .acknowledgement,
  .confirm-form .form-message,
  .confirm-form .primary-button {
    grid-column: auto;
  }

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

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

#reference-sample { margin-bottom:32px; padding:24px; border:1px solid #a7bfba; background:#f5faf8; color:#172d32; }
#reference-sample[hidden] {display:none}
.reference-boundary,.reference-gap { padding:12px; border-left:3px solid #b38320; background:#fff5df; }
.reference-version, .reference-trace small { overflow-wrap:anywhere; color:#4b6469; }
.reference-nav { display:flex;flex-wrap:wrap;gap:10px;margin:20px 0; }
.reference-nav a { padding:10px;border:1px solid #607d79; }
.reference-trace { border:1px solid #b7ccc6; margin:12px 0;background:white;padding:16px;scroll-margin-top:90px; }
.reference-trace summary {cursor:pointer;font-weight:700;}
.reference-trace summary span {float:right;font-weight:400;color:#7c5b0b;font-size:12px;}
.reference-chain {padding:16px 0;color:#267c71;line-height:2;}
.reference-columns {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.reference-columns section {min-width:0;overflow-wrap:anywhere;}
.reference-table {overflow:auto;max-height:400px;}
.reference-table table {width:100%;min-width:640px;border-collapse:collapse;}
.reference-table td,.reference-table th {text-align:left;vertical-align:top;padding:10px;border-bottom:1px solid #ccc;overflow-wrap:anywhere;}
@media(max-width:850px){#reference-sample{padding:12px}.reference-columns{grid-template-columns:1fr}.reference-trace summary span{float:none;display:block}}

#reference-sample .board-canvas-inspector {color:#e7f3ef} #reference-sample .board-canvas-tools {color:#e7f3ef}

#demo-board-interactive[hidden],.demo-wire-canvas[hidden]{display:none}.board-canvas-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px;background:#192724;border:1px solid #41564f}.board-canvas-tools span{margin-left:10px;color:#a6bbb5;font-size:12px}.board-canvas-tools output{min-width:48px;text-align:center}.board-canvas-tools button{padding:8px 12px}.board-canvas-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;border:1px solid #41564f;border-top:0}.board-canvas-stage{height:650px;min-width:0;overflow:hidden;background:#eef3f6}.board-interactive{width:100%;height:100%;display:block;touch-action:none;user-select:none;cursor:grab}.board-interactive:active{cursor:grabbing}.board-node{cursor:grab;outline:none}.board-node.selected>rect,.board-node:focus>rect{stroke:#169a81;stroke-width:4}.board-interactive [data-wire-select]{cursor:pointer}.board-interactive [data-handle]{cursor:move}.board-canvas-inspector{background:#182321;padding:18px;overflow:auto;max-height:650px;overflow-wrap:anywhere;border-left:1px solid #41564f}.board-canvas-inspector h3{margin-top:0}.board-canvas-inspector p{line-height:1.7}.board-detail-photo{width:100%;height:160px;object-fit:contain;background:#f5f7fb;border-radius:8px;padding:8px;box-sizing:border-box}.board-wire-row{display:block;text-align:left;width:100%;margin:8px 0;padding:10px;overflow-wrap:anywhere}.board-wire-row strong,.board-wire-row span{display:block;margin-bottom:5px}.board-layout-note{font-size:12px;color:var(--muted)}@media(max-width:850px){.board-canvas-layout{grid-template-columns:minmax(0,1fr)}.board-canvas-stage{height:480px}.board-canvas-inspector{border-left:0;border-top:1px solid #41564f;max-height:320px}.board-detail-photo{height:120px}.board-canvas-tools span{width:100%;margin:0}}
.manufacturing-review { margin-block: 1.5rem; overflow-x: auto; }
.manufacturing-review table { width: 100%; border-collapse: collapse; }
.manufacturing-review th, .manufacturing-review td { padding: .65rem; border: 1px solid #637674; text-align: left; }
.manufacturing-review li { margin-block: .65rem; }
.manufacturing-review [data-manufacturing-status="failed"] strong { color: #e96f6f; }