:root {
  --font-factor: 1;
  --ink: #162d3d;
  --ink-soft: #425b6b;
  --paper: #ffffff;
  --canvas: #eef3f6;
  --navy: #173b57;
  --navy-strong: #0d2a40;
  --blue: #1d638f;
  --blue-soft: #dcecf5;
  --amber: #b35d00;
  --amber-soft: #fff0d7;
  --teal: #116b5d;
  --teal-soft: #dff3ed;
  --danger: #a22b2b;
  --danger-soft: #fde7e7;
  --line: #bdcbd3;
  --line-strong: #78909e;
  --focus: #ffbf47;
  --shadow: 0 14px 34px rgba(15, 47, 67, 0.12);
  --radius: 0.45rem;
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: calc(100% * var(--font-factor));
  color: var(--ink);
  background: var(--canvas);
}

:root[data-font-scale="large"] { --font-factor: 1.15; }
:root[data-font-scale="larger"] { --font-factor: 1.3; }

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(23, 59, 87, 0.035) 1px, transparent 1px) 0 0 / 2.5rem 2.5rem,
    var(--canvas);
  font-size: 1rem;
  line-height: 1.55;
}

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

button,
select,
input[type="checkbox"],
input[type="radio"] { cursor: pointer; }

a { color: #0d5e93; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 0.16em; }

code,
pre {
  font-family: Consolas, "Courier New", monospace;
}

code {
  padding: 0.08em 0.28em;
  border-radius: 0.2em;
  background: #e7edf1;
  overflow-wrap: anywhere;
}

[hidden] { display: none !important; }

:focus-visible {
  outline: 0.18rem solid #000;
  outline-offset: 0.14rem;
  box-shadow: 0 0 0 0.38rem #fff;
}

.visually-hidden {
  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;
}

.skip-link {
  position: fixed;
  z-index: 100;
  left: 1rem;
  top: 0.5rem;
  transform: translateY(-160%);
  padding: 0.8rem 1rem;
  color: #000;
  background: var(--focus);
  font-weight: 700;
}

.skip-link:focus { transform: none; }

.noscript-notice,
.system-warning {
  padding: 0.9rem max(1rem, calc((100vw - 90rem) / 2));
  color: #2f2100;
  background: var(--amber-soft);
  border-bottom: 2px solid var(--amber);
}

.site-header {
  min-height: 5.4rem;
  padding: 0.8rem clamp(1rem, 3vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  color: #fff;
  background: var(--navy-strong);
  border-bottom: 0.3rem solid var(--focus);
}

.brand-block,
.header-tools,
.text-size-control {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 3.4rem;
  height: 3.4rem;
  border: 2px solid var(--focus);
  font-family: Bahnschrift, "Arial Narrow", Arial, sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.site-title,
.eyebrow { margin: 0; }

.site-title {
  font-family: Bahnschrift, "Arial Narrow", Arial, sans-serif;
  font-size: clamp(1rem, 1.5vw, 1.35rem);
  font-weight: 650;
}

.eyebrow,
.panel-kicker {
  color: var(--blue);
  font-family: Bahnschrift, "Arial Narrow", Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.site-header .eyebrow { color: #c4d8e6; }

.button {
  min-height: 2.75rem;
  padding: 0.62rem 0.95rem;
  border: 2px solid transparent;
  border-radius: 0.3rem;
  font-weight: 750;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
}

.button:disabled { cursor: not-allowed; opacity: 0.55; }

.button--primary { color: #fff; background: var(--blue); border-color: var(--blue); }
.button--primary:hover { background: var(--navy); border-color: var(--navy); }
.button--secondary { color: var(--navy-strong); background: var(--blue-soft); border-color: #8cb4cb; }
.button--quiet { color: var(--navy-strong); background: #fff; border-color: var(--line); }
.button--outline { color: var(--navy-strong); background: transparent; border-color: var(--navy); }
.button--danger { color: var(--danger); background: #fff; border-color: var(--danger); }
.site-header .button--quiet { color: #fff; background: transparent; border-color: #7f9aaa; }
.site-header .button--outline { color: #fff; border-color: var(--focus); }

.app-shell {
  width: min(100%, 94rem);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(14rem, 18rem) minmax(0, 1fr);
  align-items: start;
}

.progress-rail {
  position: sticky;
  top: 0;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: calc(100vh - 5.7rem);
  padding: 1.5rem 1rem 2rem;
  background: #f8fafb;
  border-right: 1px solid var(--line);
}

.progress-summary {
  padding: 0 0.4rem 1.2rem;
  border-bottom: 1px solid var(--line);
}

.progress-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 800;
}

progress {
  width: 100%;
  height: 0.65rem;
  accent-color: var(--blue);
}

.small-text {
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.stage-list {
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.stage-list button {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.55rem 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink-soft);
  background: transparent;
  border: 0;
  border-left: 0.28rem solid transparent;
  text-align: left;
  font-weight: 650;
}

.stage-list button > span {
  min-width: 2rem;
  font-family: Consolas, monospace;
  color: var(--line-strong);
}

.stage-list button.is-reached { color: var(--ink); }
.stage-list button[aria-current="step"] {
  color: var(--navy-strong);
  background: var(--blue-soft);
  border-left-color: var(--blue);
}

.rail-help {
  padding: 1rem;
  display: grid;
  gap: 0.5rem;
  background: #fff;
  border: 1px solid var(--line);
}

.work-area {
  width: min(100%, 74rem);
  padding: clamp(1.4rem, 3.5vw, 3.5rem);
}

.work-area > section {
  min-width: 0;
  padding: clamp(1.2rem, 2.5vw, 2.4rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 0.4rem solid var(--navy);
  box-shadow: var(--shadow);
}

h1,
h2,
h3 {
  color: var(--navy-strong);
  font-family: Bahnschrift, "Arial Narrow", Arial, sans-serif;
  line-height: 1.15;
}

h1 {
  max-width: 22ch;
  margin: 0.25rem 0 0.75rem;
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.025em;
}

h2 { margin: 0.35rem 0 0.7rem; font-size: clamp(1.35rem, 2.5vw, 2rem); }
h3 { font-size: 1.2rem; }

.lead {
  max-width: 67ch;
  margin: 0 0 1.7rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
}

.work-order {
  margin: 1.5rem 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line-strong);
  border-left: 0.45rem solid var(--focus);
}

.work-order > div {
  min-width: 0;
  padding: 0.9rem 1rem;
  border-right: 1px solid var(--line);
}

.work-order > div:last-child { border-right: 0; }
.work-order__label { display: block; color: var(--ink-soft); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; }

.message-sheet {
  margin: 1.8rem 0;
  padding: clamp(1.2rem, 3vw, 2.5rem);
  background: #f7fafc;
  border: 1px solid var(--line);
  border-top: 0.3rem solid var(--blue);
}

.message-sheet__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-soft);
  font-family: Consolas, monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
}

blockquote { margin: 1rem 0 0; padding-left: 1.2rem; border-left: 0.28rem solid var(--focus); }
blockquote p { margin: 0.55rem 0; }

.two-column {
  margin: 1.5rem 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.task-panel {
  min-width: 0;
  padding: 1.25rem;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 0.35rem solid var(--blue);
}

.panel-kicker { margin: 0; }
.compact-list { margin-bottom: 0; padding-left: 1.2rem; }

.project-strip {
  margin: 2rem 0;
  padding-top: 1rem;
  border-top: 2px solid var(--navy);
}

.meeting-track {
  margin: 1rem 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(8.5rem, 1fr));
  gap: 0.55rem;
  overflow-x: auto;
  list-style: none;
}

.meeting-track li {
  min-height: 6rem;
  padding: 0.8rem;
  background: #eef2f4;
  border-top: 0.25rem solid var(--line-strong);
}

.meeting-track li.is-current { background: var(--blue-soft); border-color: var(--blue); }
.meeting-track strong,
.meeting-track span { display: block; }
.meeting-track span { margin-top: 0.35rem; color: var(--ink-soft); font-size: 0.88rem; }

.action-bar {
  margin-top: 2rem;
  padding-top: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
}

.notice {
  margin: 1.2rem 0;
  padding: 1rem 1.1rem;
  border-left: 0.35rem solid;
}

.notice--info { background: var(--blue-soft); border-color: var(--blue); }
.notice--important { background: var(--amber-soft); border-color: var(--amber); }

.diagnostic-form { display: grid; gap: 1rem; }
.question-block,
.conscious-checklist {
  width: 100%;
  min-width: 0;
  margin-inline: 0;
  padding: 1.2rem;
  border: 1px solid var(--line);
}

.question-block legend,
.conscious-checklist legend { padding: 0 0.35rem; font-weight: 800; color: var(--navy-strong); }
.question-block label,
.conscious-checklist label {
  min-height: 2.65rem;
  padding: 0.45rem;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  min-width: 0;
  overflow-wrap: anywhere;
}
.question-block input,
.conscious-checklist input { width: 1.25rem; height: 1.25rem; flex: 0 0 auto; }
.question-block .button { margin-top: 0.5rem; }

.visual-choice { align-items: center !important; }
.choice-icon { width: 2.2rem; height: 1.65rem; display: inline-block; border: 2px solid var(--navy); }
.choice-icon--folder { position: relative; background: var(--amber-soft); border-radius: 0.2rem; }
.choice-icon--folder::before { content: ""; position: absolute; left: -2px; top: -0.55rem; width: 1.1rem; height: 0.55rem; border: 2px solid var(--navy); border-bottom: 0; background: var(--amber-soft); }
.choice-icon--file { background: #fff; clip-path: polygon(0 0, 70% 0, 100% 30%, 100% 100%, 0 100%); }

.inline-feedback { min-height: 1.7rem; margin: 0.6rem 0 0; padding: 0.5rem 0.65rem; }
.inline-feedback:empty { padding: 0; }
.is-success { color: #0a4f42; background: var(--teal-soft); border-left: 0.25rem solid var(--teal); }
.is-info { color: var(--navy-strong); background: var(--blue-soft); border-left: 0.25rem solid var(--blue); }
.is-attention { color: #5f3100; background: var(--amber-soft); border-left: 0.25rem solid var(--amber); }

.training-layout { min-width: 0; display: grid; grid-template-columns: minmax(16rem, 0.72fr) minmax(20rem, 1.28fr); gap: 1.2rem; align-items: start; }
.training-layout > * { min-width: 0; }
.instruction-console { padding: 1.25rem; background: var(--navy-strong); color: #fff; border-bottom: 0.35rem solid var(--focus); }
.instruction-console h2 { color: #fff; }
.instruction-console .panel-kicker { color: #b9d6e7; }
.training-help-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.file-simulator { border: 2px solid var(--navy); background: #fff; }
.simulator-titlebar { padding: 0.8rem 1rem; display: flex; justify-content: space-between; gap: 1rem; color: #fff; background: var(--navy); }
.simulator-titlebar span { font-family: Consolas, monospace; font-size: 0.78rem; letter-spacing: 0.1em; }
.simulator-toolbar { padding: 0.65rem; display: flex; flex-wrap: wrap; gap: 0.4rem; background: #e8eef2; border-bottom: 1px solid var(--line); }
.simulator-toolbar button { min-width: 0; max-width: 100%; min-height: 2.5rem; padding: 0.45rem 0.65rem; color: var(--navy-strong); background: #fff; border: 1px solid var(--line-strong); font-weight: 650; white-space: normal; overflow-wrap: anywhere; }
.simulator-toolbar button.is-next-action { border: 0.2rem solid var(--focus); box-shadow: 0 0 0 0.16rem var(--navy); }
.simulator-path { padding: 0.65rem 1rem; font-family: Consolas, monospace; background: #f9fbfc; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.simulator-content { min-height: 18rem; padding: 1.2rem; }
.file-tree,
.file-tree ul { margin: 0; padding-left: 1.4rem; list-style: none; }
.file-tree > li { padding-left: 0; }
.file-item { display: inline-block; max-width: 100%; min-height: 2rem; padding: 0.25rem 0.45rem; overflow-wrap: anywhere; }
.file-item--folder::before { content: "▰"; margin-right: 0.45rem; color: var(--amber); }
.file-item--file::before { content: "▤"; margin-right: 0.45rem; color: var(--blue); }
.file-item.is-attention { background: var(--amber-soft); }
.simulator-feedback { min-height: 3rem; margin: 0; padding: 0.75rem 1rem; background: var(--blue-soft); border-top: 1px solid var(--line); }

.demo-panel {
  margin: 1.5rem 0;
  min-height: 24rem;
  padding: clamp(1.5rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--navy-strong);
  color: #fff;
  border-bottom: 0.5rem solid var(--focus);
}
.demo-panel h2 { color: #fff; font-size: clamp(2.2rem, 7vw, 5rem); }
.demo-panel > p:not(.demo-number) { max-width: 40ch; font-size: clamp(1.25rem, 3vw, 2rem); }
.demo-number { color: #c4d8e6; font-family: Consolas, monospace; }
.demo-controls { margin-top: 2rem; display: flex; justify-content: space-between; gap: 1rem; }
.projection-mode { min-height: 70vh; }

.projection-active .site-header,
.projection-active .progress-rail,
.projection-active [data-stage-view="4"] > :not(#demo-mode-toggle):not(#demo-panel) {
  display: none !important;
}
.projection-active .app-shell,
.projection-active .work-area {
  display: block;
  width: 100%;
  max-width: none;
  padding: 0;
}
.projection-active [data-stage-view="4"] {
  min-height: 100vh;
  padding: 0;
  border: 0;
  box-shadow: none;
}
.projection-active #demo-mode-toggle {
  position: fixed;
  z-index: 20;
  top: 1rem;
  right: 1rem;
  color: #fff;
  background: var(--navy-strong);
  border-color: var(--focus);
}
.projection-active #demo-panel {
  min-height: 100vh;
  margin: 0;
  padding-top: 5.5rem;
}

.path-banner { margin-top: 1rem; padding: 0.8rem 1rem; display: flex; justify-content: space-between; gap: 1rem; background: var(--navy); color: #fff; }
.path-banner code { color: #fff; background: transparent; }
.folder-structure { padding: 1.25rem; overflow-x: auto; color: #eaf5fb; background: #122b3d; border-left: 0.4rem solid var(--focus); font-size: 1rem; line-height: 1.75; }
.guided-steps { padding: 0; list-style: none; counter-reset: guided; }
.guided-steps li { position: relative; min-height: 4.5rem; padding: 0.8rem 0.8rem 0.8rem 4rem; border-bottom: 1px solid var(--line); counter-increment: guided; }
.guided-steps li::before { content: counter(guided, decimal-leading-zero); position: absolute; left: 0; top: 0.65rem; width: 3rem; color: var(--blue); font-family: Consolas, monospace; font-size: 1.4rem; font-weight: 800; }
.guided-steps strong,
.guided-steps span { display: block; }
.guided-steps span { color: var(--ink-soft); }
.conscious-checklist { margin-top: 1.5rem; background: #f9fbfc; }
.conscious-checklist--large label { min-height: 3.2rem; border-bottom: 1px solid #dce4e8; }
.verification-note { padding-left: 0.8rem; color: var(--ink-soft); border-left: 0.25rem solid var(--line-strong); }

.download-callout { margin: 1.5rem 0; padding: 1rem 1.2rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; background: var(--blue-soft); border: 1px solid #8cb4cb; }
.download-callout > div { display: flex; align-items: center; gap: 0.8rem; }
.download-callout strong,
.download-callout span { display: block; }
.file-badge { padding: 0.8rem 0.5rem; color: #fff; background: var(--navy); font-family: Consolas, monospace; font-weight: 800; }
.fallback-box { margin: 1rem 0; padding: 0.8rem 1rem; border: 1px solid var(--line); }
.fallback-box summary { cursor: pointer; font-weight: 800; }
.file-link-list { columns: 2 17rem; }
.file-link-list li { break-inside: avoid; margin: 0.35rem 0; }
.table-wrap { max-width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
caption { padding: 0.8rem 0; text-align: left; font-size: 1.2rem; font-weight: 800; }
th,
td { padding: 0.8rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { color: #fff; background: var(--navy); }
tbody th { background: #f1f5f7; }
tfoot { font-weight: 800; background: var(--blue-soft); }
select,
input[type="text"],
input[type="date"],
textarea {
  width: 100%;
  min-height: 2.8rem;
  padding: 0.55rem 0.7rem;
  color: var(--ink);
  background: #fff;
  border: 2px solid var(--line-strong);
  border-radius: 0.2rem;
}
.classification-table select { min-width: 13rem; }
.classification-table .inline-feedback { max-width: 38rem; }
.rename-task { margin-top: 1.5rem; padding: 1.25rem; background: #f7fafc; border: 1px solid var(--line); }
.input-action { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.6rem; }

.inventory-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-field { min-width: 0; display: grid; align-content: start; gap: 0.35rem; }
.form-field label { font-weight: 800; }
.form-field > span { color: var(--ink-soft); font-size: 0.85rem; }
.form-field--wide,
.form-actions { grid-column: 1 / -1; }
.form-actions { padding-top: 1rem; display: flex; align-items: center; gap: 1rem; border-top: 1px solid var(--line); }

.completion-banner { padding: 1.3rem; display: flex; align-items: center; gap: 1.2rem; color: #fff; background: var(--teal); }
.completion-banner > span { display: grid; place-items: center; width: 4rem; height: 4rem; border: 3px solid #fff; border-radius: 50%; font-size: 2rem; }
.completion-banner p { margin: 0.25rem 0; }
.final-message { margin: 2rem 0; padding: 1.5rem; color: var(--navy-strong); background: var(--amber-soft); border-left: 0.45rem solid var(--amber); font-size: 1.15rem; font-weight: 650; }
.end-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.file-input { display: inline-block; margin-top: 0.4rem; padding: 0.7rem 0.9rem; color: var(--navy-strong); background: #fff; border: 2px solid var(--navy); font-weight: 800; cursor: pointer; }
#progress-import { max-width: 100%; margin-top: 0.6rem; }

dialog { width: min(34rem, calc(100% - 2rem)); padding: 1.5rem; color: var(--ink); border: 0.25rem solid var(--navy); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(8, 26, 38, 0.72); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 0.7rem; }

.high-contrast {
  --ink: #000;
  --ink-soft: #111;
  --paper: #fff;
  --canvas: #fff;
  --navy: #000;
  --navy-strong: #000;
  --blue: #004f87;
  --blue-soft: #fff;
  --amber: #704000;
  --amber-soft: #fff;
  --teal: #005a38;
  --teal-soft: #fff;
  --danger: #8b0000;
  --danger-soft: #fff;
  --line: #333;
  --line-strong: #000;
  --focus: #ffbf00;
  --shadow: none;
}
.high-contrast body { background: #fff; }
.high-contrast .notice,
.high-contrast .task-panel,
.high-contrast .message-sheet,
.high-contrast .question-block { border-width: 0.2rem; }

@media (max-width: 72rem) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .header-tools { width: 100%; flex-wrap: wrap; }
  .app-shell { grid-template-columns: minmax(0, 1fr); }
  .progress-rail { position: static; min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .stage-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .rail-help { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .rail-help strong { grid-column: 1 / -1; }
}

@media (max-width: 50rem) {
  .work-area { padding: 0.7rem; }
  .work-area > section { padding: 1rem; box-shadow: none; }
  h1 { font-size: clamp(1.8rem, 11vw, 3rem); }
  .work-order,
  .two-column,
  .training-layout,
  .inventory-form { grid-template-columns: minmax(0, 1fr); }
  .work-order > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .work-order > div:last-child { border-bottom: 0; }
  .stage-list { grid-template-columns: 1fr 1fr; }
  .action-bar,
  .download-callout,
  .form-actions { align-items: stretch; flex-direction: column; }
  .input-action { grid-template-columns: 1fr; }
  .file-link-list { columns: 1; }
}

@media (max-width: 27rem) {
  .brand-block { align-items: flex-start; }
  .brand-mark { width: 2.8rem; height: 2.8rem; }
  .stage-list { grid-template-columns: 1fr; }
  .rail-help { grid-template-columns: 1fr; }
  .rail-help strong { grid-column: auto; }
  .header-tools > .button,
  .text-size-control { width: 100%; }
  .text-size-control .button { flex: 1; }
  .path-banner { flex-direction: column; }
  .file-tree,
  .file-tree ul { padding-left: 0.65rem; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}