:root {
  --hangar: #101820;
  --hangar-2: #182633;
  --draft: #e4edf1;
  --ink: #142433;
  --muted: #3c5160;
  --rule: #7e97a8;
  --line: #c5d4dc;
  --plate: #f7fbfc;
  --amber: #e39b2b;
  --amber-ink: #7a4e0d;
  --signal: #0b5c4c;
  --signal-soft: #d7efe8;
  --alert: #8c2f2f;
  --alert-soft: #f8e6e2;
  --brass: #1f4e79;
  --display: "Syne", "Avenir Next", "Segoe UI", sans-serif;
  --body: "Literata", "Iowan Old Style", Palatino, "Palatino Linotype", serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --rail: 292px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--hangar);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.58;
  font-optical-sizing: auto;
}

body[data-lang="en"] .say-pl,
body[data-lang="pl"] .say-en { display: none; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--amber);
  color: var(--hangar);
  padding: 8px 12px;
  z-index: 20;
  font-family: var(--display);
}

.skip:focus { top: 12px; }

button,
input { font: inherit; color: inherit; }

button { cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--amber-ink);
  outline-offset: 3px;
}

.rail :focus-visible { outline-color: var(--amber); }

.app {
  display: grid;
  grid-template-columns: var(--rail) 1fr;
  min-height: 100vh;
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  background: var(--hangar);
  color: #d5e0e7;
  padding: 22px 16px 28px;
  border-right: 1px solid #243444;
}

.brand {
  padding: 0 8px 16px;
  border-bottom: 1px solid #243444;
}

.brand-kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 6px;
}

.brand h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.35rem;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0;
  color: #f4f8fa;
}

.brand p {
  margin: 8px 0 0;
  color: #9aafbc;
  font-size: 0.92rem;
}

.lang {
  display: flex;
  gap: 6px;
  padding: 14px 8px;
}

.lang button,
.nav-toggle {
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  border: 1px solid #345066;
  background: transparent;
  color: #d5e0e7;
  padding: 6px 8px;
  border-radius: 2px;
}

.lang button[aria-pressed="true"] {
  background: var(--amber);
  color: var(--hangar);
  border-color: var(--amber);
}

.sheet-nav { list-style: none; margin: 0; padding: 6px 0 0; }

.sheet-nav a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  text-decoration: none;
  color: inherit;
  padding: 8px 8px;
  border-left: 2px solid transparent;
  border-radius: 2px;
}

.sheet-nav a:hover { background: var(--hangar-2); }

.sheet-nav a[aria-current="page"] {
  border-left-color: var(--amber);
  background: #1b2c3b;
}

.sheet-nav .sn {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--amber);
  grid-row: span 2;
  align-self: center;
}

.sheet-nav .st {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
  color: #f4f8fa;
}

.sheet-nav .sm {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: #8aa0b0;
}

.sheet-nav a.is-read .sn { color: #9ddec8; }

.rail-foot {
  margin-top: 16px;
  padding: 12px 8px 0;
  border-top: 1px solid #243444;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: #8aa0b0;
}

.rail-foot a.hub {
  display: block;
  margin-bottom: 8px;
  color: #8aa0b0;
  text-decoration: none;
  letter-spacing: 0.06em;
}

.rail-foot a.hub:hover { color: #f4f8fa; }

.rail-foot strong { color: #f4f8fa; font-weight: 500; }

.bar {
  height: 4px;
  background: #243444;
  margin-top: 8px;
}

.bar span {
  display: block;
  height: 100%;
  background: var(--amber);
  width: 0;
}

.nav-toggle { display: none; }

.main { min-height: 100vh; }

.sheet-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 22px 64px;
}

.sheet {
  background: var(--draft);
  color: var(--ink);
  min-height: calc(100vh - 56px);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--amber);
  padding: 36px 40px 28px;
}

.loading { font-family: var(--mono); color: var(--muted); }

.kicker {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-ink);
  margin: 0 0 8px;
}

.sheet h2.module-title,
.cover-title {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.96;
  margin: 0 0 12px;
}

.cover-title {
  font-size: clamp(3rem, 7vw, 5.4rem);
  max-width: 14ch;
}

.sheet h2.module-title {
  font-size: clamp(2rem, 4vw, 3.15rem);
  max-width: 18ch;
}

.lede {
  font-size: 1.18rem;
  max-width: 62ch;
  margin: 0 0 8px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  margin: 14px 0 22px;
}

.prose > * + * { margin-top: 0.9em; }

.prose h3 {
  font-family: var(--body);
  font-weight: 650;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 1.6em 0 0.4em;
  line-height: 1.2;
}

.prose p,
.prose li { max-width: 68ch; }

.prose ul,
.prose ol { padding-left: 1.2em; }

.prose li + li { margin-top: 0.35em; }

.prose a { color: var(--brass); }

code,
.mono {
  font-family: var(--mono);
  font-size: 0.84em;
}

.prose strong { font-weight: 650; }

.say,
.trap,
.fix,
.note {
  margin: 1.2em 0;
  padding: 14px 16px 12px;
  background: var(--plate);
  border: 1px solid var(--line);
  border-left-width: 4px;
  max-width: 74ch;
}

.say { border-left-color: var(--amber); }
.trap { border-left-color: var(--alert); background: var(--alert-soft); }
.fix { border-left-color: var(--brass); }
.note { border-left-color: var(--signal); }

.say-kicker,
.trap-kicker,
.fix-kicker,
.note-kicker {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.say-kicker { color: var(--amber-ink); }
.trap-kicker { color: var(--alert); }
.fix-kicker { color: var(--brass); }
.note-kicker { color: var(--signal); }

.say-en {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 6px;
}

.say-pl,
.trap p,
.fix p,
.note p { margin: 0; }

pre {
  background: var(--hangar);
  color: #e7eef2;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.5;
  padding: 14px 14px 14px 16px;
  overflow-x: auto;
  border-radius: 2px;
  max-width: 100%;
  margin: 0.8em 0;
  position: relative;
}

pre code { font-family: inherit; }

.copy {
  position: absolute;
  top: 8px;
  right: 8px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #243444;
  color: #e7eef2;
  border: 1px solid #3c5568;
  padding: 4px 7px;
  border-radius: 2px;
}

.copy:hover { background: #345066; }

.table-wrap { overflow-x: auto; margin: 1em 0; }

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 640px;
  background: var(--plate);
  font-size: 0.92rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}

th {
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: #d5e2e9;
}

.widget {
  margin: 1.2em 0 1.4em;
  background: var(--plate);
  border: 1px solid var(--line);
  padding: 14px;
}

.widget h3 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 6px;
  font-size: 1.25rem;
}

.widget .hint {
  color: var(--muted);
  margin: 0 0 12px;
  max-width: 70ch;
  font-size: 0.95rem;
}

.acct-grid,
.ou-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.acct,
.ou {
  border: 1.5px solid var(--ink);
  background: white;
  min-width: 128px;
  padding: 8px 10px 9px;
  text-align: left;
  border-radius: 2px;
}

.acct small,
.ou small,
.node small {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}

.acct strong,
.ou strong,
.node strong {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  display: block;
}

.acct { cursor: pointer; }
.acct:hover { transform: translateY(-1px); }

.acct.is-hit {
  background: var(--alert);
  color: white;
  border-color: var(--alert);
}

.acct.is-hit small { color: #f6d2cb; }

.acct.is-safe { background: var(--signal-soft); border-color: var(--signal); }

.ou-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 12px 0 6px;
  color: var(--muted);
}

.blast-log {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--hangar);
  color: #d7efe8;
  padding: 10px 12px;
  min-height: 2.6em;
  margin-top: 12px;
}

.blast-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

.btn {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--ink);
  color: #f4f8fa;
  border: 1px solid var(--ink);
  padding: 8px 12px;
  border-radius: 2px;
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
}

.btn.amber {
  background: var(--amber);
  border-color: var(--amber-ink);
  color: var(--hangar);
}

a.btn {
  display: inline-block;
  text-decoration: none;
}

.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.cover-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 8px; }

.policy-layout {
  display: grid;
  grid-template-columns: minmax(240px, 300px) 1fr;
  gap: 16px;
}

.toggles label {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin: 0 0 8px;
  font-size: 0.92rem;
}

.toggles {
  border-right: 1px solid var(--line);
  padding-right: 12px;
}

.result {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}

.pill {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 3px 6px;
  align-self: center;
  border: 1px solid;
}

.pill.allow { color: var(--signal); border-color: var(--signal); background: var(--signal-soft); }
.pill.deny { color: var(--alert); border-color: var(--alert); background: var(--alert-soft); }

.why { grid-column: 1 / -1; color: var(--muted); font-size: 0.82rem; margin: 0; }

.orgmap {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 12px;
  align-items: start;
}

.org-canvas { overflow-x: auto; padding-bottom: 4px; }

.org-cols {
  display: flex;
  gap: 8px;
  min-width: 760px;
  position: relative;
  padding-top: 18px;
}

.org-cols::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 8%;
  right: 8%;
  border-top: 1.5px solid var(--ink);
}

.ou-col { flex: 1; min-width: 140px; }

.ou-col header {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: -0.02em;
  background: var(--ink);
  color: white;
  padding: 6px 8px;
  position: relative;
}

.ou-col header::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  height: 10px;
  border-left: 1.5px solid var(--ink);
}

.ou-col.security header { background: var(--alert); }
.ou-col.infra header { background: var(--brass); }
.ou-col.work header { background: var(--signal); }
.ou-col.sand header { background: #8a5a10; }
.ou-col.deploy header { background: #3d315f; }

.ou-col .acct { display: block; width: 100%; margin-top: 6px; min-width: 0; }

.ou-col .acct[aria-pressed="true"] {
  outline: 2px solid var(--amber-ink);
  outline-offset: 1px;
}

.detail {
  border: 1px solid var(--line);
  background: white;
  padding: 12px;
  min-height: 180px;
}

.detail h4 {
  font-family: var(--display);
  margin: 0 0 4px;
  letter-spacing: -0.03em;
  font-size: 1.2rem;
}

.detail .id {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 8px;
}

.detail p { margin: 0 0 8px; font-size: 0.92rem; }

.root-note {
  font-family: var(--mono);
  font-size: 0.72rem;
  margin-bottom: 8px;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.fcard {
  background: transparent;
  border: 0;
  padding: 0;
  text-align: left;
  min-height: 180px;
  perspective: 800px;
}

.fcard-inner {
  position: relative;
  min-height: 180px;
  transform-style: preserve-3d;
  transition: transform 0.45s ease;
}

.fcard.is-flipped .fcard-inner { transform: rotateY(180deg); }

.face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  background: white;
  border: 1.5px solid var(--ink);
  padding: 12px;
  overflow: auto;
}

.face.back {
  transform: rotateY(180deg);
  background: var(--hangar);
  color: #e7eef2;
  border-color: var(--hangar);
}

.face h4 {
  font-family: var(--display);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.face pre {
  margin: 8px 0 0;
  padding: 8px;
  background: #1b2c3b;
  font-size: 0.68rem;
}

.studio-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }

.studio-tabs button {
  font-family: var(--display);
  font-weight: 700;
  border: 1px solid var(--ink);
  background: transparent;
  padding: 6px 9px;
  border-radius: 2px;
}

.studio-tabs button[aria-pressed="true"] {
  background: var(--ink);
  color: white;
}

.studio-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
}

.clock {
  font-family: var(--mono);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
}

.steps { list-style: none; margin: 8px 0 0; padding: 0; }

.steps li {
  padding: 8px 0;
  border-top: 1px solid var(--line);
}

.steps li strong {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--amber-ink);
  display: block;
}

.steps li.is-future { opacity: 0.38; }

.lz {
  display: grid;
  gap: 8px;
}

.lz-row { display: flex; flex-wrap: wrap; gap: 8px; }

.node {
  border: 1.5px solid var(--line);
  background: #eef3f5;
  color: #6c7f8c;
  padding: 7px 8px;
  min-width: 108px;
  flex: 1;
}

.node.on {
  border-color: var(--ink);
  background: white;
  color: var(--ink);
}

.node.on.hot { background: #f8e6e2; border-color: var(--alert); }
.node.on.ok { background: var(--signal-soft); border-color: var(--signal); }
.node.on.info { background: #e5eef6; border-color: var(--brass); }

.inset {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--rule);
  font-size: 0.92rem;
}

.quiz-q {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
  margin: 0 0 10px;
}

.choices { display: grid; gap: 6px; }

.choices button {
  text-align: left;
  background: white;
  border: 1px solid var(--ink);
  padding: 8px 10px;
  border-radius: 2px;
}

.choices button.is-good { background: var(--signal-soft); border-color: var(--signal); }
.choices button.is-bad { background: var(--alert-soft); border-color: var(--alert); }

.explain { margin-top: 10px; max-width: 68ch; }

.qa details {
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
}

.qa summary {
  font-family: var(--display);
  font-weight: 700;
  cursor: pointer;
  letter-spacing: -0.02em;
}

.qa details p { max-width: 68ch; }

.cheat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 18px;
}

.cheat h3 { margin: 0 0 4px; font-size: 1.05rem; }
.cheat ul { margin: 0; padding-left: 1.1em; }
.cheat li { max-width: none; }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.sources { font-size: 0.88rem; color: var(--muted); }
.sources li { max-width: 78ch; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fcard-inner { transition: none; }
  .acct:hover { transform: none; }
}

@media (max-width: 980px) {
  .policy-layout,
  .orgmap,
  .studio-grid,
  .cheat { grid-template-columns: 1fr; }
  .toggles { border-right: 0; padding-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
}

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .rail {
    position: fixed;
    z-index: 15;
    transform: translateX(-105%);
    transition: transform 0.2s ease;
    width: min(88vw, 340px);
    box-shadow: var(--shadow);
  }
  .app.is-navopen .rail { transform: none; }
  .nav-toggle { display: inline-flex; }
  .sheet-wrap { padding: 0; }
  .sheet { padding: 22px 18px 32px; min-height: 100vh; box-shadow: none; }
  .cover-title { font-size: 2.7rem; }
}

@media print {
  .rail, .pager, .copy, .nav-toggle, .lang { display: none !important; }
  .app { display: block; }
  body, .main, .sheet { background: white; color: black; box-shadow: none; }
  .sheet { border-top: 0; }
  pre { color: black; background: #f2f2f2; }
}