:root {
  --red: #c40f18;
  --ink: #121318;
  --muted: #646974;
  --line: #d8dbe1;
  --paper: #f5f5f6;
  --white: #fff;
}

* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }

.lab-doc-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  min-height: 72px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 8px 24px rgba(18, 19, 24, .06);
}

.lab-brand { display: inline-flex; flex: 0 0 auto; align-items: center; }
.lab-doc-header img { width: 116px; height: 48px; object-fit: contain; }
.lab-header-actions { display: flex; min-width: 0; gap: 10px; align-items: center; justify-content: flex-end; }
.lab-badge, .lab-action {
  display: inline-flex;
  min-height: 38px;
  padding: 0 13px;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--red);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}
.lab-action { cursor: pointer; }
.lab-action-primary { border-color: var(--red); background: var(--red); color: var(--white); }
.lab-inline-link { display: inline-block; margin-top: 18px; color: var(--red); font-size: 13px; font-weight: 900; text-underline-offset: 4px; }

.lab-document {
  width: min(1180px, calc(100% - 40px));
  margin: 44px auto 76px;
}

.lab-doc-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  padding: 48px;
  border-top: 5px solid var(--red);
  background: var(--white);
}

.lab-eyebrow { margin: 0 0 18px; color: var(--red); font-size: 11px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.lab-doc-hero h1 { max-width: 780px; margin: 0; font-size: clamp(42px, 5vw, 68px); line-height: .98; letter-spacing: -.045em; }
.lab-doc-hero > div > p:last-child { max-width: 760px; margin: 24px 0 0; color: var(--muted); font-size: 18px; line-height: 1.55; }
.lab-doc-note { padding: 24px; align-self: end; background: var(--ink); color: #fff; font-size: 14px; line-height: 1.55; }

.lab-status-legend { display: flex; gap: 18px; margin: 28px 0; flex-wrap: wrap; }
.lab-status-legend span { font-size: 13px; font-weight: 800; }
.lab-status-legend i { display: inline-block; width: 9px; height: 9px; margin-right: 7px; border-radius: 50%; }
.is-green i { background: #168455; }.is-yellow i { background: #d29808; }.is-red i { background: var(--red); }

.lab-checklist { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.lab-checklist section { min-width: 0; padding: 34px; background: var(--white); }
.lab-checklist h2 { margin: 0 0 22px; font-size: 27px; }
.lab-checklist label { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 10px; margin: 12px 0; color: #383c45; line-height: 1.45; }
.lab-checklist input { width: 17px; height: 17px; margin-top: 2px; accent-color: var(--red); }
.lab-fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 24px; }
.lab-fields span { min-height: 46px; padding: 13px; border: 1px solid var(--line); color: var(--muted); font-size: 13px; }

.lab-decision { margin-top: 34px; padding: 34px; background: var(--ink); color: #fff; }
.lab-decision h2 { margin: 0 0 24px; font-size: 30px; }
.lab-decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #353741; }
.lab-decision-grid article { padding: 22px; background: var(--ink); }
.lab-decision-grid b { display: block; margin-bottom: 12px; font-size: 17px; }
.lab-decision-grid span { color: #c5c7ce; font-size: 14px; line-height: 1.45; }

.lab-matrix { margin-top: 56px; }
.lab-matrix h2 { max-width: 760px; margin: 0 0 16px; font-size: clamp(34px, 4vw, 52px); line-height: 1; }
.lab-matrix > p { max-width: 840px; color: var(--muted); line-height: 1.55; }
.lab-table-wrap { overflow-x: auto; margin-top: 30px; border: 1px solid var(--line); }
table { width: 100%; min-width: 920px; border-collapse: collapse; background: var(--white); }
th, td { padding: 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; line-height: 1.45; }
th { background: var(--ink); color: #fff; font-size: 13px; }
td:first-child { width: 150px; font-weight: 900; }

.lab-route { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 30px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.lab-route article { min-height: 180px; padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.lab-route b { color: var(--red); font-size: 11px; }
.lab-route strong { display: block; margin: 22px 0 10px; font-size: 18px; }
.lab-route span { color: var(--muted); font-size: 14px; line-height: 1.45; }

.lab-plan { margin-top: 56px; }
.lab-plan h2 { margin: 0 0 14px; font-size: clamp(34px, 4vw, 52px); line-height: 1; }
.lab-plan > p:not(.lab-eyebrow) { max-width: 760px; color: var(--muted); line-height: 1.55; }
.lab-plan-table td { height: 64px; color: var(--muted); }

.lab-disclaimer { margin-top: 34px; padding: 22px; border-left: 4px solid var(--red); background: #eceef1; color: var(--muted); font-size: 13px; line-height: 1.55; }

.lab-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 34px; padding: 38px; background: var(--white); border-top: 5px solid var(--red); }
.lab-form label { display: grid; gap: 8px; }
.lab-form label > span { font-size: 12px; font-weight: 800; }
.lab-form input, .lab-form select, .lab-form textarea { width: 100%; min-height: 50px; padding: 13px; border: 1px solid var(--line); border-radius: 0; background: #fff; color: var(--ink); }
.lab-form input[type="hidden"] { display: none; }
.lab-form input[type="checkbox"] { width: 18px; min-height: 18px; height: 18px; margin: 2px 0 0; padding: 0; accent-color: var(--red); }
.lab-form textarea { min-height: 126px; resize: vertical; }
.lab-form .wide { grid-column: 1 / -1; }
.lab-form .lab-form-consent { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 10px; align-items: start; }
.lab-form .lab-form-consent > span { font-size: 13px; font-weight: 400; line-height: 1.45; }
.lab-form small { color: var(--muted); line-height: 1.45; }
.lab-form button { grid-column: 1 / -1; min-height: 56px; border: 0; background: var(--red); color: #fff; font-weight: 900; cursor: pointer; }
.lab-form-status { grid-column: 1 / -1; min-height: 22px; margin: 0; color: #168455; font-weight: 800; }

@media (max-width: 900px) {
  .lab-badge { display: none; }
}

@media (max-width: 760px) {
  .lab-doc-header { min-height: 64px; padding: 7px 12px; gap: 8px; }
  .lab-doc-header img { width: 82px; height: 42px; }
  .lab-header-actions { flex: 1 1 auto; gap: 6px; }
  .lab-badge { display: none; }
  .lab-action { flex: 1 1 0; min-width: 0; min-height: 42px; padding: 5px 8px; justify-content: center; font-size: 9px; line-height: 1.15; letter-spacing: .045em; text-align: center; white-space: normal; }
  .lab-document { width: calc(100% - 24px); margin-top: 20px; }
  .lab-doc-hero { grid-template-columns: 1fr; padding: 26px 20px; gap: 28px; }
  .lab-doc-hero h1 { font-size: 41px; }
  .lab-checklist, .lab-fields, .lab-decision-grid, .lab-route, .lab-form { grid-template-columns: minmax(0, 1fr); }
  .lab-checklist section, .lab-fields, .lab-fields span { min-width: 0; }
  .lab-fields span { overflow-wrap: anywhere; }
  .lab-checklist h2, .lab-decision h2 { overflow-wrap: anywhere; }
  .lab-form { padding: 26px 20px; }
  .lab-form .wide, .lab-form button { grid-column: 1; }
  .lab-checklist section { padding: 26px 20px; }
}

@media (max-width: 340px) {
  .lab-action { padding: 4px; font-size: 8px; letter-spacing: .02em; }
}

@media print {
  body { background: #fff; }
  .lab-doc-header, .lab-action { display: none !important; }
  .lab-document { width: 100%; margin: 0; }
  .lab-doc-hero { padding: 28px 0; }
  .lab-checklist section, .lab-decision, .lab-matrix, .lab-plan { break-inside: avoid; }
}