:root {
  color-scheme: dark;
  --bg: #05080d;
  --panel: #0a0f17;
  --line: #1a2636;
  --text: #f2f6fb;
  --muted: #91a4bb;
  --blue: #45a8ff;
  --green: #55d68b;
  --amber: #f2b84b;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background:
    radial-gradient(circle at 75% 0, rgba(46, 155, 255, 0.1), transparent 32%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.topbar {
  height: 76px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 64px);
  position: sticky;
  top: 0;
  background: rgba(5, 8, 13, 0.92);
  backdrop-filter: blur(18px);
  z-index: 10;
}
.brand {
  color: var(--text);
  text-decoration: none;
  display: grid;
  font-weight: 700;
  letter-spacing: 0.16em;
  font-size: 13px;
}
.brand small {
  color: var(--blue);
  font:
    9px/1.4 ui-monospace,
    monospace;
  letter-spacing: 0.25em;
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.top-actions > a,
.language {
  font:
    10px ui-monospace,
    monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 0;
  text-decoration: none;
  padding: 8px;
}
.language[aria-pressed="true"] {
  color: var(--blue);
  border-bottom: 1px solid var(--blue);
}
main {
  max-width: 1240px;
  margin: auto;
  padding: clamp(54px, 8vw, 110px) clamp(20px, 5vw, 64px);
}
.intro {
  max-width: 920px;
  margin: auto;
}
.eyebrow,
.step-id,
.rail-label {
  font:
    11px ui-monospace,
    monospace;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--blue);
}
h1 {
  font-size: clamp(42px, 8vw, 88px);
  line-height: 0.96;
  letter-spacing: -0.055em;
  margin: 24px 0;
}
.lede {
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.6;
  color: #adc0d6;
  max-width: 780px;
}
.boundary {
  margin: 40px 0;
  padding: 20px 22px;
  border: 1px solid rgba(242, 184, 75, 0.35);
  background: rgba(242, 184, 75, 0.06);
  display: grid;
  gap: 7px;
  border-radius: 12px;
}
.boundary strong {
  color: var(--amber);
}
.boundary span {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}
.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.mode-card {
  display: grid;
  gap: 12px;
  text-align: left;
  padding: 26px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 16px;
  cursor: pointer;
  transition:
    0.2s transform,
    0.2s border-color;
}
.mode-card:hover,
.mode-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--blue);
}
.mode-card.featured {
  background: linear-gradient(145deg, rgba(46, 155, 255, 0.12), var(--panel));
  border-color: #244566;
}
.mode-card strong {
  font-size: 24px;
}
.mode-card > span:last-child {
  color: var(--muted);
  line-height: 1.55;
}
.mode-time {
  font:
    10px ui-monospace,
    monospace;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--green);
}
.diagnostic {
  display: grid;
  grid-template-columns: 260px minmax(0, 760px);
  gap: clamp(32px, 7vw, 90px);
  align-items: start;
}
.rail {
  position: sticky;
  top: 110px;
}
.rail ol {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}
.rail li {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 13px 0;
  color: #65778c;
  border-left: 1px solid var(--line);
  padding-left: 18px;
}
.rail li.active {
  color: var(--text);
  border-left-color: var(--blue);
}
.rail li.complete {
  color: var(--green);
}
.rail li span {
  font:
    10px ui-monospace,
    monospace;
}
.rail li b {
  font-size: 13px;
}
.draft-state {
  font-size: 11px;
  line-height: 1.5;
  color: #65778c;
  display: flex;
  gap: 9px;
}
.draft-state > span:first-child {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  margin-top: 5px;
  flex: none;
}
.step {
  border: 0;
  padding: 0;
  margin: 0;
  display: none;
}
.step.active {
  display: block;
}
.step legend {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 18px 0;
  width: 100%;
}
.explain {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 34px;
}
.fields.two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
label {
  display: grid;
  gap: 9px;
  margin-bottom: 22px;
  font-size: 12px;
  color: #b9c7d7;
}
input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #080d14;
  color: var(--text);
  font: 15px/1.5 inherit;
  padding: 13px 14px;
  outline: none;
}
textarea {
  resize: vertical;
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(69, 168, 255, 0.1);
}
[aria-invalid="true"] {
  border-color: #ff7474;
}
label small {
  color: #697e96;
  line-height: 1.5;
}
.trap {
  position: absolute;
  left: -10000px;
}
.controls {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 34px;
}
.controls button {
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #03101d;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}
.controls .secondary {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
}
.consistency {
  border-left: 3px solid var(--amber);
  padding: 13px 16px;
  background: rgba(242, 184, 75, 0.06);
  color: #d9c28c;
  margin: 12px 0 24px;
  font-size: 13px;
  line-height: 1.5;
}
.review-summary {
  display: grid;
  gap: 12px;
}
.review-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  background: var(--panel);
}
.review-item small {
  font:
    9px ui-monospace,
    monospace;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--blue);
}
.review-item p {
  margin: 8px 0 0;
  color: #c4d0de;
  line-height: 1.55;
  white-space: pre-wrap;
}
.classification {
  display: grid;
  gap: 7px;
  margin: 24px 0;
  padding: 16px;
  border-left: 2px solid var(--amber);
  background: rgba(242, 184, 75, 0.05);
}
.classification span {
  font:
    9px ui-monospace,
    monospace;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
}
.classification strong {
  font-size: 13px;
}
.consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.55;
}
.consent input {
  width: 18px;
  margin-top: 2px;
}
.form-status {
  min-height: 24px;
  color: #ff9b9b;
}
.result {
  max-width: 760px;
  margin: auto;
}
.result h2 {
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: -0.04em;
}
.result p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}
.result dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 34px 0;
}
.result dl div {
  border: 1px solid var(--line);
  padding: 18px;
  border-radius: 10px;
}
.result dt {
  font:
    9px ui-monospace,
    monospace;
  color: var(--muted);
  text-transform: uppercase;
}
.result dd {
  margin: 8px 0 0;
  color: var(--green);
  font-weight: 700;
}
.result a {
  color: var(--blue);
}
[hidden] {
  display: none !important;
}
@media (max-width: 800px) {
  .mode-grid,
  .fields.two,
  .diagnostic {
    grid-template-columns: 1fr;
  }
  .rail {
    position: static;
  }
  .rail ol {
    display: flex;
    overflow: auto;
  }
  .rail li {
    min-width: max-content;
    border-left: 0;
    border-bottom: 1px solid var(--line);
    padding: 10px;
  }
  .rail li.active {
    border-bottom-color: var(--blue);
  }
  .draft-state {
    display: none;
  }
  .top-actions > a {
    display: none;
  }
  .result dl {
    grid-template-columns: 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.diagnostic > * {
  min-width: 0;
}
@media (max-width: 800px) {
  .diagnostic,
  .diagnostic form,
  .rail {
    min-width: 0;
    max-width: 100%;
  }
  .rail ol {
    max-width: 100%;
  }
}