/* ── shared system ────────────────────────────────────────────────────
   Shared by durable-sync and durable-auth: the same ink, type, grid and
   components. Two colours mean the same thing on both sites:
   green  = the server confirmed it   (an acked op, a fresh session)
   amber  = waiting for confirmation  (a queued op, a stale session)
   Each site's paper (its one bold surface) lives in its own section. */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.shell {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
}

/* ── type ─────────────────────────────────────────────────────────── */

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.2rem, 1.35rem + 3vw, 3.4rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.55rem, 1.2rem + 1.25vw, 2.15rem);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.005em;
}

p {
  margin: 0 0 1em;
  max-width: var(--measure);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

strong,
b {
  font-weight: 700;
}

em {
  font-style: italic;
}

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--code-bg);
  border-radius: 4px;
  padding: 0.06em 0.3em;
  overflow-wrap: anywhere;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ── masthead ─────────────────────────────────────────────────────── */

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.masthead__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: 3.5rem;
}

.wordmark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.wordmark span {
  color: var(--accent);
}

.masthead nav {
  margin-left: auto;
  display: flex;
  gap: 0.25rem 1.35rem;
  font-size: 0.95rem;
}

.masthead nav a {
  color: var(--dim);
  text-decoration: none;
  padding-block: 0.4rem;
}

.masthead nav a:hover {
  color: var(--ink);
  text-decoration: underline;
}

@media (max-width: 640px) {
  .masthead nav .opt {
    display: none;
  }
  .masthead nav {
    gap: 1rem;
  }
}

/* ── hero ─────────────────────────────────────────────────────────── */

.hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 6vw, 4.5rem);
}

.hero--split {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 1040px) {
  .hero--split {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 4rem;
  }
}

.hero__lede {
  font-size: clamp(1.125rem, 1.02rem + 0.4vw, 1.3rem);
  line-height: 1.5;
  color: var(--dim);
  max-width: 40ch;
  margin: 1.25rem 0 1.75rem;
}

.hero__lede strong {
  color: var(--ink);
}

.hero__meta {
  color: var(--dim);
  font-size: 0.95rem;
  margin: 0 0 0.9rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.install {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  max-width: 100%;
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  border-radius: 10px;
  padding: 0.45rem 0.45rem 0.45rem 0.95rem;
  font-family: var(--mono);
  font-size: 0.98rem;
}

.install__prompt {
  color: var(--dim);
  user-select: none;
}

.install button {
  font: 600 0.85rem var(--sans);
  color: var(--bg);
  background: var(--ink);
  border: 0;
  border-radius: 7px;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
  min-width: 4.8rem;
}

.install button[data-copied="true"] {
  background: var(--ok);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.98rem;
}

.links a {
  color: var(--ink);
}

.links .links__main {
  color: var(--accent);
  font-weight: 700;
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--dim);
}

.nowrap {
  white-space: nowrap;
}

/* ── the demo frame (each site fills it with its own surface) ────── */

.demo__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  letter-spacing: 0;
}

.demo {
  position: relative;
  border: 1px solid var(--rule-strong);
  border-radius: 6px;
  background: var(--surface);
  overflow: hidden;
}

.demo__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--rule);
  font-size: 0.9rem;
}

.demo__head > :first-child {
  font-weight: 700;
}

.demo__sim {
  color: var(--dim);
  font-size: 0.85rem;
}

.demo__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.demo__note {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
  color: var(--dim);
  max-width: 60ch;
}

.btn {
  font: 600 0.9rem/1.2 var(--sans);
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--rule-strong);
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
  min-height: 2.5rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:hover:not(:disabled) {
  border-color: var(--ink);
}

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

.btn--primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.btn--quiet {
  background: transparent;
  border-style: dashed;
  color: var(--dim);
}

/* ── sections ─────────────────────────────────────────────────────── */

section {
  padding: clamp(3rem, 7vw, 5rem) 0;
  border-top: 1px solid var(--rule);
}

.hero {
  border-top: 0;
}

.section__head {
  margin-bottom: 2rem;
}

.section__head h2 {
  max-width: 26ch;
}

.section__head p {
  color: var(--dim);
  margin: 1rem 0 0;
}

.section__head p + p {
  margin-top: 0.85rem;
}

.section__head strong {
  color: var(--ink);
}

.small-note {
  font-size: 0.92rem;
  color: var(--dim);
  margin-top: 1rem;
}

/* Points: short claims as a ruled list, two or three across. Not cards. */
.points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem 2.5rem;
}

.points li {
  border-top: 2px solid var(--ink);
  padding-top: 0.85rem;
}

.points h3 {
  margin-bottom: 0.4rem;
}

.points p {
  margin: 0;
  color: var(--dim);
  font-size: 0.98rem;
}

@media (min-width: 720px) {
  .points {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1000px) {
  .points--three {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── code ─────────────────────────────────────────────────────────── */

.steps {
  display: grid;
  gap: 3rem;
}

.steps > * {
  min-width: 0;
}

@media (min-width: 960px) {
  .steps {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.step h3 {
  margin-bottom: 0.5rem;
}

.step > p {
  color: var(--dim);
  font-size: 0.98rem;
}

pre {
  margin: 1rem 0 0;
  padding: 1rem 1.15rem;
  background: var(--code-bg);
  border-radius: 6px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--ink);
  tab-size: 2;
}

pre code {
  background: none;
  padding: 0;
  font-size: inherit;
  overflow-wrap: normal;
}

/* Quiet highlighting: structure by weight, strings in the site's key. */
.tok-c {
  color: var(--dim);
  font-style: italic;
}
.tok-k {
  font-weight: 700;
}
.tok-s {
  color: var(--accent);
}
.tok-f {
  color: inherit;
}

/* ── lists of facts ───────────────────────────────────────────────── */

.limits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem 2.5rem;
}

@media (min-width: 780px) {
  .limits {
    grid-template-columns: 1fr 1fr;
  }
}

.limits li {
  color: var(--dim);
  font-size: 0.98rem;
  padding-left: 0.9rem;
  border-left: 3px solid var(--rule-strong);
}

.limits b {
  color: var(--ink);
}

.limits--yes li {
  border-left-color: var(--ok);
}

.limits--no li {
  border-left-color: var(--bad);
}

.escape {
  margin-top: 2.25rem;
  padding: 1rem 1.2rem;
  background: var(--surface);
  border-radius: 6px;
  border: 1px solid var(--rule);
  color: var(--dim);
}

.escape p {
  margin: 0;
  max-width: none;
}

/* Rows of name + note: prior art, related projects, sources. */
.rows {
  margin: 0;
  border-top: 1px solid var(--rule);
}

.rows__row {
  display: grid;
  gap: 0.2rem 2rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}

@media (min-width: 720px) {
  .rows__row {
    grid-template-columns: 12rem 1fr;
  }
}

.rows__name {
  font-weight: 700;
}

.rows__note {
  margin: 0;
  color: var(--dim);
  font-size: 0.98rem;
}

/* ── related: the family, visible on every page ───────────────────── */

.family {
  display: grid;
  gap: 1rem;
}

@media (min-width: 760px) {
  .family {
    grid-template-columns: repeat(3, 1fr);
  }
}

.kin {
  position: relative;
  padding: 1rem 1.1rem 1.1rem 1.35rem;
  border: 1px solid var(--rule-strong);
  border-radius: 6px;
  background: var(--surface);
}

.kin::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  border-radius: 6px 0 0 6px;
  background: var(--kin, var(--ink));
}

.kin--sync {
  --kin: var(--c-sync);
}
.kin--auth {
  --kin: var(--c-auth);
}
.kin--app {
  --kin: var(--ink);
}

.kin h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.kin h3 a {
  color: var(--ink);
}

.kin p {
  margin: 0;
  color: var(--dim);
  font-size: 0.95rem;
}

.kin[aria-current] {
  background: transparent;
  border-style: dashed;
}

.family-wrap {
  padding: 2.5rem 0 0;
  border-top: 1px solid var(--rule);
}

.family-wrap h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

/* ── tables ───────────────────────────────────────────────────────── */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule-strong);
  border-radius: 6px;
  background: var(--surface);
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 42rem;
  font-size: 0.93rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--rule);
}

thead th {
  font-weight: 700;
  color: var(--ink);
  background: var(--bg);
  border-bottom: 2px solid var(--ink);
  white-space: nowrap;
}

tbody th {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

td {
  color: var(--dim);
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: 0;
}

td.mono,
tbody th.mono {
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink);
}

.yes {
  color: var(--ok);
}

.no {
  color: var(--bad);
}

.fine {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--dim);
  max-width: 78ch;
}

/* ── comparison pages ─────────────────────────────────────────────── */

.prose h3 {
  margin: 2rem 0 0.5rem;
}

.prose .section__head + h3 {
  margin-top: 0;
}

.sources {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--dim);
  font-size: 0.95rem;
}

.sources li {
  margin-bottom: 0.3rem;
}

/* ── footer ───────────────────────────────────────────────────────── */

.foot-wrap {
  margin-top: 3rem;
  border-top: 1px solid var(--rule);
}

.foot {
  padding: 2rem 0 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  align-items: baseline;
  font-size: 0.92rem;
  color: var(--dim);
}

.foot nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.foot a {
  color: var(--dim);
}

.foot a:hover {
  color: var(--ink);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

section.flush {
  border-top: 0;
  padding-top: 0;
}

.rows--gap {
  margin-top: 2rem;
}

.hero__meta--after {
  margin: -0.75rem 0 0;
}

.split .limits {
  grid-template-columns: 1fr;
}

/* durable-auth — the session, on security paper.
   Its one bold surface is the step-up console, printed on the fine
   guilloche of an identity document: the thing you show to prove it's you.
   Same family as durable-sync: green = proved recently, amber = must ask
   again. Violet is this library's own voice. */

:root {
  --bg: #f7f6fb; /* security paper */
  --surface: #ffffff;
  --ink: #1c2230; /* ribbon */
  --dim: #4f5466;
  --rule: #e2e0ec;
  --rule-strong: #c8c4d8;
  --accent: #5a3fc0; /* guilloche violet */
  --focus: #5a3fc0;
  --ok: #1a6b45;
  --wait: #9a4f08;
  --bad: #b3261e;
  --code-bg: #ecebf4;

  --guilloche: #bfb2ec;
  --sheet: #ffffff;

  --c-sync: #1a6b45;
  --c-auth: #5a3fc0;

  --sans: "Atkinson Hyperlegible Next", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Atkinson Hyperlegible Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --gutter: clamp(1rem, 5vw, 3.5rem);
  --measure: 66ch;
  --shell: 1140px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #13121b;
    --surface: #1b1a26;
    --ink: #e8e6f1;
    --dim: #aaa7bc;
    --rule: #2a2838;
    --rule-strong: #3a374d;
    --accent: #b7a6ff;
    --focus: #b7a6ff;
    --ok: #6bd29a;
    --wait: #f0a64c;
    --bad: #ff8a80;
    --code-bg: #211f2e;
    --guilloche: #34304c;
    --sheet: #24222f;
    --c-sync: #6bd29a;
    --c-auth: #b7a6ff;
  }
}

/* ── the console on security paper ────────────────────────────────── */

.demo--paper {
  isolation: isolate;
}

/* Guilloche: interlaced sine rosettes, as on a passport page. A mask, so
   the line colour follows the theme. */
.demo--paper::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--guilloche);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='36' viewBox='0 0 120 36'%3E%3Cg fill='none' stroke='%23000' stroke-width='.7'%3E%3Cpath d='M0 18C20 0 40 0 60 18S100 36 120 18'/%3E%3Cpath d='M0 18C20 36 40 36 60 18S100 0 120 18'/%3E%3Cpath d='M-30 18C-10 4 10 4 30 18S70 32 90 18 130 4 150 18'/%3E%3Cpath d='M-30 18C-10 32 10 32 30 18S70 4 90 18 130 32 150 18'/%3E%3Cpath d='M0 6C30 14 30 22 60 30S90 6 120 6' opacity='.6'/%3E%3C/g%3E%3C/svg%3E") 0 0 / 120px 36px;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='36' viewBox='0 0 120 36'%3E%3Cg fill='none' stroke='%23000' stroke-width='.7'%3E%3Cpath d='M0 18C20 0 40 0 60 18S100 36 120 18'/%3E%3Cpath d='M0 18C20 36 40 36 60 18S100 0 120 18'/%3E%3Cpath d='M-30 18C-10 4 10 4 30 18S70 32 90 18 130 4 150 18'/%3E%3Cpath d='M-30 18C-10 32 10 32 30 18S70 4 90 18 130 32 150 18'/%3E%3Cpath d='M0 6C30 14 30 22 60 30S90 6 120 6' opacity='.6'/%3E%3C/g%3E%3C/svg%3E") 0 0 / 120px 36px;
}

.demo--paper .demo__head,
.demo--paper .demo__controls {
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}

/* The session's freshness: a bar that drains across the step-up window. */
.fresh {
  padding: 1rem 0.9rem 0.85rem;
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--surface) 55%, transparent);
  font-size: 0.92rem;
  color: var(--dim);
}

.fresh__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.75rem;
  margin-bottom: 0.6rem;
}

.fresh__state {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ok);
}

.fresh[data-state="stale"] .fresh__state {
  color: var(--wait);
}

.fresh[data-state="out"] .fresh__state {
  color: var(--dim);
}

.fresh__age {
  margin-left: auto;
  font-family: var(--mono);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.fresh__track {
  height: 8px;
  border-radius: 4px;
  background: var(--rule);
  overflow: hidden;
}

.fresh__fill {
  height: 100%;
  background: var(--ok);
  transform-origin: left;
  transition: transform 0.6s var(--ease), background-color 0.3s var(--ease);
}

.fresh[data-state="stale"] .fresh__fill {
  background: var(--wait);
}

.fresh__legend {
  display: flex;
  justify-content: space-between;
  margin-top: 0.35rem;
  font-size: 0.8rem;
}

.fresh__legend code {
  background: none;
  padding: 0;
}

/* Gated actions carry their own small note. */
.btn--gated::after {
  content: "step-up";
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--wait);
  border-left: 1px solid var(--rule-strong);
  padding-left: 0.45rem;
}

.reqlog {
  min-height: 13rem;
  max-height: 15.5rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0.5rem 0;
  mask-image: linear-gradient(to bottom, transparent 0, #000 2.5rem);
}

.req {
  display: grid;
  grid-template-columns: 3.1rem minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0.12rem 0.6rem;
  padding: 0.26rem 0.5rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  border-radius: 3px;
  animation: req-in 0.3s var(--ease) both;
}

.req__verb {
  color: var(--dim);
}

.req__path {
  color: var(--ink);
  overflow-wrap: anywhere;
}

.req__path small {
  margin-left: 0.6rem;
  font-size: 0.92em;
  color: var(--dim);
}

.req__status {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.req--ok .req__status {
  color: var(--ok);
}

.req--reauth .req__status,
.req--reauth .req__path small {
  color: var(--wait);
}

.req--reauth {
  box-shadow: inset 3px 0 0 var(--wait);
}

.req--err .req__status {
  color: var(--bad);
}

.req--note {
  font-family: var(--sans);
  font-size: 0.88rem;
}

.req--note .req__path {
  color: var(--dim);
  font-style: italic;
}

.req--note .req__verb {
  color: var(--accent);
  text-align: center;
  font-weight: 700;
}

@media (max-width: 520px) {
  .req {
    grid-template-columns: 2.6rem minmax(0, 1fr) auto;
    gap: 0.5rem;
    font-size: 0.78rem;
  }
  .req__path small {
    display: block;
    margin-left: 0;
  }
}

@keyframes req-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
}

/* The browser's passkey sheet: the moment the whole library is about. */
.sheet {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  width: min(21rem, calc(100% - 2rem));
  transform: translateX(-50%);
  z-index: 2;
  padding: 1.25rem 1.25rem 1.1rem;
  background: var(--sheet);
  border: 1px solid var(--rule-strong);
  border-radius: 18px;
  box-shadow: 0 18px 50px -12px color-mix(in srgb, var(--accent) 45%, transparent);
  text-align: center;
  animation: sheet-up 0.35s var(--ease) both;
}

.sheet[hidden] {
  display: none;
}

.sheet svg {
  width: 2.75rem;
  height: 2.75rem;
  color: var(--accent);
  margin: 0 auto 0.4rem;
  display: block;
}

.sheet__title {
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 0.2rem;
}

.sheet__sub {
  color: var(--dim);
  font-size: 0.88rem;
  margin: 0 auto 1rem;
}

.sheet__actions {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.btn--go {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--surface);
}

@keyframes sheet-up {
  from {
    opacity: 0;
    transform: translate(-50%, 14px);
  }
}

/* ── step-up flow: a real sequence, so it's numbered ─────────────── */

.split {
  display: grid;
  gap: 2.5rem;
}

.split > * {
  min-width: 0;
}

@media (min-width: 940px) {
  .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 3.5rem;
  }
}

.flow {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.flow li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  color: var(--dim);
}

.flow li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.95rem;
}

.aside-p {
  color: var(--dim);
}

.aside-p strong {
  color: var(--ink);
}

/* ── recovery caps simulation: quiet, same frame ─────────────────── */

.caps__body {
  padding: 1rem 0.9rem;
  display: grid;
  gap: 0.9rem;
}

.meter__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--dim);
  margin-bottom: 0.3rem;
}

.meter__row b {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.meter__track {
  height: 8px;
  border-radius: 4px;
  background: var(--rule);
  overflow: hidden;
}

.meter__fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}

.meter[data-full="true"] .meter__fill {
  background: var(--bad);
}

.meter[data-full="true"] .meter__row b {
  color: var(--bad);
}

.caps__out {
  margin: 0.25rem 0 0;
  padding: 0.75rem 0.85rem;
  border-radius: 6px;
  background: var(--bg);
  border-left: 3px solid var(--rule-strong);
  font-size: 0.92rem;
  max-width: none;
}

.caps__out[data-tone="ok"] {
  border-left-color: var(--ok);
}

.caps__out[data-tone="warn"] {
  border-left-color: var(--wait);
}

.caps__out[data-tone="bad"] {
  border-left-color: var(--bad);
}

.caps-title {
  font-size: 1.05rem;
  margin: 0 0 0.75rem;
}

/* ── security model ───────────────────────────────────────────────── */

.sec-cols {
  display: grid;
  gap: 2.5rem;
}

.sec-cols > * {
  min-width: 0;
}

@media (min-width: 940px) {
  .sec-cols {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
  }
}

.sec-cols h3 {
  margin-bottom: 1rem;
}

.sec-cols .limits {
  grid-template-columns: 1fr;
}

/* ── routes and tests ─────────────────────────────────────────────── */

table.routes {
  min-width: 38rem;
}

table.routes tbody th {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.86rem;
  white-space: normal;
}

.chip {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--wait);
  white-space: nowrap;
}

.suites th {
  white-space: normal;
}

.suites td code {
  white-space: nowrap;
}

.journeys {
  margin: 1.75rem 0 0;
  padding-left: 1.2rem;
  color: var(--dim);
  columns: 2 22rem;
  column-gap: 2.5rem;
}

.journeys li {
  margin-bottom: 0.35rem;
  break-inside: avoid;
}

#options tbody th {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.86rem;
}