/* Hallmark · genre: atmospheric · macrostructure: Split Studio (auth) · Narrative Workflow (landing) · theme: custom
 * (vibe: "dark console · phosphor-mint signal · cool graphite" · paper oklch(13% 0.012 195)
 * · accent oklch(82% 0.16 160) mint · Space Grotesk + Geist, Geist Mono outlier)
 * · enrichment: none (typography + two fixed canvas blooms) · nav: N9 · footer: Ft2
 * · design-system: design.md · designed-as-app
 * · outlier: Geist Mono = machine identifiers (host, client_id, scope codes, handles, one-time codes)
 * · contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47)
 * · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57)
 * Hallmark · pre-emit critique: P5 H4 E5 S4 R5 V5
 * Served at /ui/ui.css. Consumes /ui/tokens.css — no raw colour or font here. */

/* ---------- bundled faces (Latin subsets; CJK falls through to the system) ---------- */
@font-face {
  font-family: "Space Grotesk";
  src: url("/ui/fonts/SpaceGrotesk-latin.woff2") format("woff2");
  font-weight: 300 700; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Geist";
  src: url("/ui/fonts/Geist-latin.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Geist Mono";
  src: url("/ui/fonts/GeistMono-latin.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* metric-matched fallbacks so the swap does not shift layout */
@font-face {
  font-family: "Space Grotesk Fallback";
  src: local("Arial"), local("Helvetica Neue"), local("Liberation Sans");
  size-adjust: 104%; ascent-override: 94%; descent-override: 26%; line-gap-override: 0%;
}
@font-face {
  font-family: "Geist Fallback";
  src: local("Arial"), local("Helvetica Neue"), local("Liberation Sans");
  size-adjust: 99%; ascent-override: 92%; descent-override: 24%; line-gap-override: 0%;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; -webkit-text-size-adjust: 100%; }
body { margin: 0; overflow-x: clip; }
body.ui {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  isolation: isolate;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: var(--weight-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
/* the canvas: two fixed blooms, no animation — the page sits in light, not on white */
body.ui::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(42% 36% at 6% -4%, var(--color-bloom-1), transparent 70%),
    radial-gradient(36% 32% at 104% 104%, var(--color-bloom-2), transparent 70%);
}
h1, h2, h3, p, ul { margin: 0; }
a { color: inherit; }
code { font-family: var(--font-mono); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; border-radius: 2px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- nav · N9 edge-aligned minimal ---------- */
.nav-edge {
  width: 100%; max-width: 76rem; margin-inline: auto;
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-md);
  padding: var(--space-md) var(--page-gutter);
  min-width: 0;
}
.wordmark {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-strong);
  letter-spacing: 0.02em;
  color: var(--color-ink);
  text-decoration: none;
  overflow-wrap: anywhere; min-width: 0;
  text-underline-offset: 0.15em; text-decoration-thickness: 1px;
}
.chip {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-muted);
  white-space: nowrap;
}
.chip__dot {
  width: 6px; height: 6px; border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-glow);
}
/* the signature: one hairline that emits light, fading out to the right */
.rule-glow {
  height: var(--rule-hair);
  background: linear-gradient(90deg, var(--color-accent), transparent 62%);
  box-shadow: 0 0 14px var(--color-glow);
}

/* ---------- page frame ---------- */
.page {
  width: 100%; max-width: 76rem; margin-inline: auto;
  padding: var(--space-xl) var(--page-gutter) var(--space-2xl);
  min-width: 0;
}

/* ---------- footer · Ft2 inline single line ---------- */
.foot-line {
  width: 100%; max-width: 76rem; margin-inline: auto;
  padding: var(--space-lg) var(--page-gutter) max(var(--space-lg), env(safe-area-inset-bottom));
  font-size: var(--text-xs);
  color: var(--color-muted);
  overflow-wrap: anywhere;
}
.foot-line span { white-space: nowrap; }   /* items stay whole; the line breaks between them */
.foot-links { display: flex; flex-wrap: wrap; gap: var(--space-2xs) var(--space-md); margin-bottom: var(--space-xs); }

/* ---------- auth · Split Studio diptych: context ⟷ action ---------- */
.auth {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: start;
}
@media (min-width: 60rem) {
  .auth {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-3xl);
    padding-top: var(--space-lg);
  }
}
.auth__context, .auth__action { min-width: 0; }
.auth__action { max-width: 28rem; }

.auth__title { display: grid; gap: var(--space-sm); }
.auth__client {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: var(--text-display);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  overflow-wrap: anywhere; min-width: 0;
}
.auth__ask {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-md);
  line-height: var(--leading-snug);
  color: var(--color-ink-2);
  max-width: 34ch;
  text-wrap: balance;
}
/* Japanese display lines break between phrases, never mid-word, no orphaned particle */
:lang(ja) .auth__ask, :lang(ja) .notice__title, :lang(ja) .auth__note { word-break: auto-phrase; line-break: strict; }
.auth__origin {
  margin-top: var(--space-md);
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: var(--space-2xs) var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-muted);
  min-width: 0;
}
.auth__origin code {
  font-size: var(--text-xs);
  color: var(--color-neutral);
  overflow-wrap: anywhere;
}

/* scope sheet: one elevated surface, rows ruled like a spec table */
.scopes {
  margin-top: var(--space-xl);
  background: var(--color-paper-2);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  min-width: 0;
}
.scopes__head {
  font-size: var(--text-sm);
  font-weight: var(--weight-strong);
  color: var(--color-muted);
  margin-bottom: var(--space-xs);
}
.scopes__list { list-style: none; padding: 0; display: grid; }
.scope {
  display: grid; gap: var(--space-3xs);
  padding-block: var(--space-sm);
  border-top: var(--rule-hair) solid var(--color-rule);
  min-width: 0;
}
.scope:first-child { border-top: 0; padding-top: var(--space-2xs); }
.scope:last-child { padding-bottom: 0; }
.scope strong { font-weight: var(--weight-strong); color: var(--color-ink); overflow-wrap: anywhere; }
.scope__detail { color: var(--color-ink-2); font-size: var(--text-sm); overflow-wrap: anywhere; }
.scope__code { font-size: var(--text-xs); color: var(--color-muted); overflow-wrap: anywhere; }
.scopes__empty { color: var(--color-muted); font-size: var(--text-sm); }

/* ---------- form ---------- */
.form { display: grid; gap: var(--space-lg); }
.field { display: grid; gap: var(--space-2xs); min-width: 0; }
.field__label { font-size: var(--text-sm); font-weight: var(--weight-strong); color: var(--color-ink-2); }
.input {
  height: var(--control-h); width: 100%;
  padding: 0 var(--space-sm);
  background: var(--color-paper-2);
  color: var(--color-ink);
  border: var(--rule-hair) solid var(--color-rule-2);   /* width never changes across states */
  border-radius: var(--radius-input);
  outline: 2px solid transparent; outline-offset: 1px;   /* ring slot reserved: no shift on focus */
  font-family: var(--font-body);
  font-weight: var(--weight-body);
  font-size: var(--text-base);                           /* 16 px: no iOS zoom */
  line-height: 1;
  transition: background-color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out);
}
.input::placeholder { color: var(--color-muted); }
.input:focus-visible { outline-color: var(--color-focus); border-color: var(--color-ink-2); }
.input[aria-invalid="true"] { border-color: var(--color-error); }
.input:disabled { opacity: 0.55; cursor: not-allowed; }
.input--code { font-family: var(--font-mono); letter-spacing: 0.14em; }
/* handle field: the typed label, then the fixed service domain */
.affix { display: flex; align-items: stretch; min-width: 0; }
.affix .input { flex: 1 1 auto; min-width: 0; border-start-end-radius: 0; border-end-end-radius: 0; }
.affix__suffix {
  display: flex; align-items: center;
  padding: 0 var(--space-sm);
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule-2); border-inline-start: 0;
  border-start-end-radius: var(--radius-input); border-end-end-radius: var(--radius-input);
  font-family: var(--font-mono); font-size: var(--text-sm);
  color: var(--color-muted);
  white-space: nowrap;
}
/* more than one hosted domain: the suffix becomes a choice */
.affix__select {
  flex: none; max-width: 60%;
  height: var(--control-h);
  padding: 0 calc(var(--space-sm) + 1rem) 0 var(--space-sm);
  appearance: none;
  background-color: var(--color-paper);
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - var(--space-sm) - 5px) 50%, calc(100% - var(--space-sm)) 50%;
  background-size: 5px 5px; background-repeat: no-repeat;
  color: var(--color-ink-2);
  border: var(--rule-hair) solid var(--color-rule-2); border-inline-start: 0;
  border-radius: 0;
  border-start-end-radius: var(--radius-input); border-end-end-radius: var(--radius-input);
  outline: 2px solid transparent; outline-offset: 1px;
  font-family: var(--font-mono); font-size: var(--text-base);   /* 16 px: no iOS zoom */
  text-overflow: ellipsis;
  cursor: pointer;
}
.affix__select:focus-visible { outline-color: var(--color-focus); border-color: var(--color-ink-2); }
.field__help {
  min-height: 1.4em; min-height: 1lh;                    /* stable height: errors never push the page */
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.form__error {
  display: flex; align-items: flex-start; gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-hair) solid var(--color-error);
  border-radius: var(--radius-input);
  background: var(--color-paper-2);
  color: var(--color-ink);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
}
.form__error svg { flex: none; width: 1.125rem; height: 1.125rem; color: var(--color-error); margin-top: var(--space-3xs); }
/* a second factor is a next step, not a failure */
.form__error--info { border-color: var(--color-rule-2); }
.form__error--info svg { color: var(--color-accent); }

.form__actions {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-sm);
}
@media (min-width: 26rem) {
  .form__actions { grid-template-columns: minmax(0, 1fr) auto; }
  .form__actions > .btn:only-child { grid-column: 1 / -1; }
}

/* buttons: default · hover · focus · active · disabled · loading (+ error/success live on the form) */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs);
  height: var(--control-h);
  padding: 0 var(--space-lg);
  border: var(--rule-hair) solid transparent;
  border-radius: var(--radius-input);
  font-family: var(--font-body);
  font-weight: var(--weight-strong);
  font-size: var(--text-base);
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--dur-short) var(--ease-out),
              color var(--dur-short) var(--ease-out),
              transform var(--dur-micro) var(--ease-out);
}
.btn--primary { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent); }
.btn--ghost   { background: transparent; color: var(--color-ink); border-color: var(--color-rule-2); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.btn--primary:focus-visible { outline-color: var(--color-ink); }   /* the ring must contrast the fill */
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn[data-state="loading"] { cursor: progress; pointer-events: none; }
.btn[data-state="loading"] .btn__label { opacity: 0; }
.btn[data-state="loading"]::after {
  content: ""; position: absolute;
  width: 1rem; height: 1rem;
  border-radius: var(--radius-pill);
  border: 2px solid currentColor; border-right-color: transparent;
  animation: spin 0.8s linear infinite;
}
@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover { background: var(--color-accent-2); border-color: var(--color-accent-2); transform: translateY(-1px); }
  .btn--ghost:hover   { background: var(--color-paper-2); }
  .input:hover:not(:disabled):not(:focus-visible) { background: var(--color-paper-3); }
  .link:hover { text-decoration-color: var(--color-accent); }
  .rail__link:hover { color: var(--color-ink); }
  .app__scopes summary:hover { text-decoration-color: var(--color-accent); }
  .wordmark:hover { text-decoration: underline; text-decoration-color: var(--color-accent); }
}
.btn--primary:active { transform: translateY(1px); }

/* C3 typographic link */
.link {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-rule-2);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: text-decoration-color var(--dur-short) var(--ease-out);
}
.link:active, .wordmark:active { text-decoration-color: var(--color-accent-2); }

/* remembered-session identity */
.identity {
  display: grid; gap: var(--space-2xs);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-paper-2);
  border-radius: var(--radius-card);
  min-width: 0;
}
.identity__label { font-size: var(--text-xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-muted); }
.identity__handle { font-family: var(--font-mono); font-size: var(--text-md); color: var(--color-ink); overflow-wrap: anywhere; }

.auth__note, .auth__switch {
  margin-top: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-body);
  max-width: 48ch;
}
.auth__note b { font-weight: var(--weight-strong); color: var(--color-ink-2); }

/* ---------- notice (errors, interstitials) ---------- */
.notice { max-width: 40rem; display: grid; gap: var(--space-md); padding-top: var(--space-lg); min-width: 0; }
.notice__title {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: var(--text-display-s);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  overflow-wrap: anywhere;
  text-wrap: balance;
}
.notice__body { color: var(--color-ink-2); max-width: 60ch; }
.notice__code { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-muted); overflow-wrap: anywhere; }
.notice .btn { justify-self: start; }

/* ---------- policy agreement checkbox ---------- */
.check {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-sm);
  align-items: start;
  font-size: var(--text-sm); color: var(--color-ink-2); line-height: var(--leading-body);
}
.check__box {
  width: 1.125rem; height: 1.125rem; margin-top: 0.15em;
  accent-color: var(--color-accent);
}
.check__box:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.check__box[aria-invalid="true"] { outline: 2px solid var(--color-error); outline-offset: 2px; }

/* ---------- next steps after sign-up ---------- */
.steps { display: grid; gap: var(--space-xs); margin: 0; padding-inline-start: 1.25em; color: var(--color-ink-2); max-width: 60ch; }
.notice .scopes__head { margin-bottom: calc(var(--space-md) * -0.5); }

/* ---------- policy documents: long-form reading ---------- */
.doc { max-width: 44rem; display: grid; gap: var(--space-md); min-width: 0; color: var(--color-ink-2); line-height: var(--leading-body); }
.doc__title {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: var(--text-display-s);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  color: var(--color-ink);
}
.doc__updated, .doc__note { font-size: var(--text-sm); color: var(--color-muted); }
.doc h2 { margin-top: var(--space-lg); font-size: var(--text-lg); font-weight: var(--weight-strong); color: var(--color-ink); }
.doc h3 { margin-top: var(--space-sm); font-size: var(--text-md); font-weight: var(--weight-strong); color: var(--color-ink); }
.doc ul, .doc ol { display: grid; gap: var(--space-2xs); padding-inline-start: 1.25em; }
.doc li > ul { margin-top: var(--space-2xs); }
.doc a { color: var(--color-ink); text-decoration: underline; text-decoration-color: var(--color-rule-2); text-underline-offset: 0.15em; }
.doc code { font-family: var(--font-mono); font-size: 0.92em; overflow-wrap: anywhere; }
.doc strong { color: var(--color-ink); }
.doc__nav { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-lg); padding-top: var(--space-md); border-top: var(--rule-hair) solid var(--color-rule); font-size: var(--text-sm); }

/* ---------- app pages · Workbench shell: N3 side rail + one pane ---------- */
.bench {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: start;
}
.rail { display: grid; gap: var(--space-md); min-width: 0; }
.rail__who { display: grid; gap: var(--space-3xs); min-width: 0; }
.rail__label { font-size: var(--text-xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-muted); }
.rail__handle { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-ink); overflow-wrap: anywhere; }
.rail__list { list-style: none; padding: 0; display: grid; border-inline-start: var(--rule-hair) solid var(--color-rule); }
.rail__link {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  margin-inline-start: calc(var(--rule-hair) * -1);
  border-inline-start: 2px solid transparent;
  color: var(--color-muted);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--dur-short) var(--ease-out);
}
.rail__link[aria-current="page"] { color: var(--color-ink); font-weight: var(--weight-strong); border-inline-start-color: var(--color-accent); }
.rail__out { justify-self: start; }
/* narrow: identity + sign-out on one line, the sections as a scrolling tab strip */
@media (max-width: 59.99rem) {
  .rail { grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
  .rail__out { grid-row: 1; grid-column: 2; }
  .rail__list {
    grid-column: 1 / -1;
    display: flex; gap: var(--space-lg);
    overflow-x: auto; scrollbar-width: none;
    border-inline-start: 0; border-bottom: var(--rule-hair) solid var(--color-rule);
  }
  .rail__link {
    padding: var(--space-xs) 0; margin: 0 0 calc(var(--rule-hair) * -1);
    border-inline-start: 0; border-bottom: 2px solid transparent;
    white-space: nowrap;
  }
  .rail__link[aria-current="page"] { border-bottom-color: var(--color-accent); }
}
@media (min-width: 60rem) {
  .bench {
    grid-template-columns: 14rem minmax(0, 1fr);
    gap: var(--space-3xl);
    padding-top: var(--space-lg);
  }
  .rail { position: sticky; top: var(--space-lg); gap: var(--space-lg); }
}
/* a form button that reads as a C3 link (sign-out) */
.link--button {
  background: none; border: 0; padding: 0;
  font: inherit; font-size: var(--text-sm);
  cursor: pointer;
}

.pane { display: grid; gap: var(--space-lg); min-width: 0; }
.pane__head { display: grid; gap: var(--space-xs); min-width: 0; }
.pane__title {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: var(--text-display-s);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  overflow-wrap: anywhere;
}
.pane__lead { color: var(--color-ink-2); max-width: 60ch; }
:lang(ja) .pane__lead { word-break: auto-phrase; line-break: strict; }

/* F3 key/value sheets: one elevated surface per group, never nested */
.sheet {
  background: var(--color-paper-2);
  border-radius: var(--radius-card);
  padding: var(--space-md) var(--space-lg);
  min-width: 0;
}
.sheet__head { font-size: var(--text-sm); font-weight: var(--weight-strong); color: var(--color-muted); margin-bottom: var(--space-2xs); }
.kv { margin: 0; display: grid; }
.kv__row {
  display: grid; gap: var(--space-3xs);
  padding-block: var(--space-sm);
  border-top: var(--rule-hair) solid var(--color-rule);
  min-width: 0;
}
.kv__row:first-child { border-top: 0; }
.kv__row:last-child { padding-bottom: var(--space-2xs); }
@media (min-width: 40rem) {
  .kv__row { grid-template-columns: minmax(0, 13rem) minmax(0, 1fr); gap: var(--space-md); align-items: baseline; }
}
.kv__key { font-size: var(--text-sm); color: var(--color-muted); }
.kv__value { margin: 0; color: var(--color-ink); overflow-wrap: anywhere; min-width: 0; }
.kv__value code { font-size: var(--text-sm); }
.tag {
  display: inline-block;
  margin-inline-start: var(--space-2xs);
  padding: 0 var(--space-xs);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs); line-height: 1.6;
  color: var(--color-ink-2);
  white-space: nowrap;
  vertical-align: 0.1em;
}
.tag--warn { border-color: var(--color-error); color: var(--color-error); }
.tag--ok { border-color: var(--color-accent); color: var(--color-accent); }

/* connected apps: one sheet per app — who, when, what it may do, revoke */
.app__head { display: grid; gap: var(--space-3xs); margin-bottom: var(--space-xs); min-width: 0; }
.app__name {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-display);
  overflow-wrap: anywhere;
}
.app__id { font-size: var(--text-xs); color: var(--color-muted); overflow-wrap: anywhere; }
.app__scopes { border-top: var(--rule-hair) solid var(--color-rule); padding-block: var(--space-sm); }
.app__scopes summary {
  cursor: pointer; width: fit-content;
  font-size: var(--text-sm); color: var(--color-ink-2);
  text-decoration: underline; text-decoration-color: var(--color-rule-2); text-underline-offset: 0.15em;
}
.app__scopes[open] summary { margin-bottom: var(--space-xs); }
.app__actions {
  display: flex; justify-content: flex-end;
  padding-top: var(--space-sm);
  border-top: var(--rule-hair) solid var(--color-rule);
}
.empty { color: var(--color-muted); font-size: var(--text-sm); }
/* a just-finished action with its undo */
.banner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--space-sm) var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-input);
  background: var(--color-paper-2);
  font-size: var(--text-sm); color: var(--color-ink-2);
  min-width: 0;
}
.banner p { flex: 1 1 16rem; min-width: 0; overflow-wrap: anywhere; }
.banner b { font-weight: var(--weight-strong); color: var(--color-ink); }

/* admin account search: the query, the status, the button on one line when wide */
.search { display: grid; gap: var(--space-sm); align-items: end; min-width: 0; }
.search .field { min-width: 0; }
@media (min-width: 40rem) {
  .search { grid-template-columns: minmax(0, 1fr) minmax(0, 11rem) auto; }
}
.select {
  appearance: none;
  padding-inline-end: calc(var(--space-sm) + 1rem);
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - var(--space-sm) - 5px) 50%, calc(100% - var(--space-sm)) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  cursor: pointer;
}

/* admin account actions: one disclosure per action, its form inside */
.op { border-top: var(--rule-hair) solid var(--color-rule); padding-block: var(--space-sm); min-width: 0; }
.sheet__head + .op { border-top: 0; }
.op summary {
  cursor: pointer; width: fit-content;
  color: var(--color-ink);
  text-decoration: underline; text-decoration-color: var(--color-rule-2); text-underline-offset: 0.2em;
}
.op summary:hover { text-decoration-color: var(--color-accent); }
.op[open] summary { margin-bottom: var(--space-xs); }
.op .sheet__note { padding-top: 0; }
.textarea { height: auto; min-height: calc(var(--control-h) * 2); padding-block: var(--space-xs); resize: vertical; line-height: var(--leading-body); }

/* admin statistics: the range, key figures, then small-multiple charts */
.seg { display: flex; flex-wrap: wrap; gap: var(--space-2xs); }
.seg__item {
  padding: var(--space-3xs) var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm); color: var(--color-ink-2);
  text-decoration: none;
}
.seg__item:hover { border-color: var(--color-ink-2); }
.seg__item:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.seg__item[aria-current] { background: var(--color-paper-3); border-color: var(--color-ink-2); color: var(--color-ink); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 9rem), 1fr)); gap: var(--space-sm); }
.tile { background: var(--color-paper-2); border-radius: var(--radius-card); padding: var(--space-sm) var(--space-md); min-width: 0; }
.tile__label { font-size: var(--text-xs); color: var(--color-muted); }
.tile__value { font-family: var(--font-display); font-weight: var(--weight-display); font-size: var(--text-xl); color: var(--color-ink); overflow-wrap: anywhere; }
.charts { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
@media (min-width: 80rem) {
  .charts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.chart { margin: 0; min-width: 0; }
.chart__cap { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-2xs) var(--space-md); }
.chart__legend { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-2xs) var(--space-md); font-size: var(--text-xs); color: var(--color-ink-2); }
.chart__legend li { display: flex; align-items: center; gap: var(--space-2xs); }
.chart__key { display: inline-block; width: 14px; height: 2px; border-radius: 1px; }
.chart__key--box { width: 10px; height: 10px; border-radius: 2px; }
.chart__key--1 { background: var(--color-series-1); }
.chart__key--2 { background: var(--color-series-2); }
.chart__key--3 { background: var(--color-series-3); }
.chart__plot { position: relative; min-height: 190px; margin-top: var(--space-xs); }
.chart__plot .uplot { font-family: var(--font-body); }
.chart__summary { margin-top: var(--space-2xs); font-size: var(--text-xs); color: var(--color-muted); overflow-wrap: anywhere; }
.chart__tip {
  position: absolute; top: 0; z-index: var(--z-tooltip);
  pointer-events: none;
  display: grid; gap: var(--space-3xs);
  padding: var(--space-2xs) var(--space-xs);
  background: var(--color-paper-3);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-input);
  font-size: var(--text-xs); color: var(--color-ink-2);
  white-space: nowrap;
}
.chart__tip[hidden] { display: none; }
.chart__tip-row { display: flex; align-items: center; gap: var(--space-2xs); }
.chart__tip-row strong { color: var(--color-ink); font-weight: var(--weight-strong); }

/* admin audit trail: one hairline-separated entry per action, newest first */
.log { list-style: none; margin: 0; padding: 0; display: grid; }
.log__entry {
  display: grid; gap: var(--space-3xs);
  padding-block: var(--space-sm);
  border-top: var(--rule-hair) solid var(--color-rule);
  min-width: 0;
}
.log__entry:first-child { border-top: 0; }
.log__head { font-size: var(--text-xs); color: var(--color-muted); overflow-wrap: anywhere; }
.log__head time { font-family: var(--font-mono); margin-inline-end: var(--space-xs); }
.log__what { color: var(--color-ink); overflow-wrap: anywhere; }
.log__code { font-size: var(--text-xs); color: var(--color-muted); margin-inline-start: var(--space-2xs); }
.log__line { font-size: var(--text-sm); color: var(--color-ink-2); overflow-wrap: anywhere; min-width: 0; }
.log__key { color: var(--color-muted); margin-inline-end: var(--space-2xs); }
.log__detail code { font-size: var(--text-xs); color: var(--color-muted); }
.log__more { padding-top: var(--space-sm); border-top: var(--rule-hair) solid var(--color-rule); }

/* app passwords: name rows with a two-step revoke; the one-time secret */
.kv__key--strong { color: var(--color-ink); font-weight: var(--weight-strong); font-size: var(--text-base); overflow-wrap: anywhere; }
.kv__value--split { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-xs) var(--space-md); color: var(--color-muted); font-size: var(--text-sm); }
.confirm { min-width: 0; }
.confirm summary { cursor: pointer; list-style: none; font-size: var(--text-sm); }
.confirm summary::-webkit-details-marker { display: none; }
.confirm[open] { flex-basis: 100%; }
.confirm[open] summary { display: none; }
.confirm__body {
  display: grid; gap: var(--space-sm); justify-items: start;
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-hair) solid var(--color-error);
  border-radius: var(--radius-input);
  color: var(--color-ink-2);
}
.secret {
  margin-block: var(--space-xs);
  padding: var(--space-md);
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-input);
  font-family: var(--font-mono); font-size: var(--text-md);
  letter-spacing: 0.06em;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  user-select: all;
}
.sheet__note { font-size: var(--text-sm); color: var(--color-ink-2); max-width: 60ch; padding-top: var(--space-xs); }
.kv + .sheet__note { margin-top: var(--space-2xs); padding-top: var(--space-sm); border-top: var(--rule-hair) solid var(--color-rule); max-width: none; }
.sheet__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); padding-top: var(--space-md); }
.sheet__form { padding-top: var(--space-2xs); max-width: 32rem; }
.form__actions--end { display: flex; justify-content: flex-start; }

/* two-factor: the QR code stays dark-on-light in either theme (scanners
   expect it); recovery codes in a two-column mono grid */
.qr {
  width: fit-content; margin-block: var(--space-sm);
  padding: var(--space-sm);
  background: #fff;                      /* outlier: scanners need a light quiet zone in either theme */
  border-radius: var(--radius-input);
  line-height: 0;
}
.qr svg { width: 12rem; height: 12rem; display: block; }
.secret-line { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-2xs) var(--space-sm); padding-block: var(--space-xs); }
.secret-line code { font-size: var(--text-sm); color: var(--color-ink); letter-spacing: 0.08em; overflow-wrap: anywhere; user-select: all; }
.codes {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr)); gap: var(--space-2xs) var(--space-md);
  margin: var(--space-xs) 0; padding: var(--space-md);
  list-style: none;
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-input);
  user-select: all;
}
.codes__item code { font-size: var(--text-sm); letter-spacing: 0.06em; color: var(--color-ink); }
.sheet__form--spaced { padding-top: var(--space-sm); }
.confirm--block { margin-top: var(--space-md); padding-top: var(--space-sm); border-top: var(--rule-hair) solid var(--color-rule); }
.confirm--block .confirm__body { margin-top: var(--space-2xs); max-width: 32rem; }

/* custom-domain handle: the two ways to publish the DID, as numbered steps */
.setup { display: grid; gap: var(--space-sm); margin: var(--space-sm) 0 0; padding-inline-start: 1.25em; color: var(--color-ink-2); font-size: var(--text-sm); }
.setup li { padding-inline-start: var(--space-3xs); }
.setup .secret-line { padding-block: var(--space-3xs) 0; }

/* the one irreversible action: error-toned, never the accent */
.btn--danger { background: var(--color-error); color: var(--color-accent-ink); border-color: var(--color-error); }
.btn--danger:focus-visible { outline-color: var(--color-ink); }
@media (hover: hover) and (pointer: fine) {
  .btn--danger:hover { filter: brightness(1.08); transform: translateY(-1px); }
}
.sheet--danger { border: var(--rule-hair) solid var(--color-error); }
.sheet__note--step { margin-top: var(--space-md); padding-top: var(--space-sm); border-top: var(--rule-hair) solid var(--color-rule); }

/* ---------- landing · Narrative Workflow: claim → handles → three stages → settings ---------- */
.land { display: grid; gap: var(--space-3xl); min-width: 0; }
.land__hero { display: grid; gap: var(--space-lg); max-width: 46rem; min-width: 0; padding-top: var(--space-lg); }
.land__title {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: var(--weight-display);
  font-style: normal;
  letter-spacing: var(--tracking-display);
  line-height: var(--leading-tight);
  color: var(--color-ink);
  overflow-wrap: anywhere; min-width: 0;
}
.land__lead { color: var(--color-ink-2); font-size: var(--text-md); line-height: var(--leading-body); max-width: 60ch; }
.land__lead .link { color: var(--color-ink); }
:lang(ja) .land__title, :lang(ja) .land__lead, :lang(ja) .land__head, :lang(ja) .flow__body { word-break: auto-phrase; line-break: strict; }
.land__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.land__note { font-size: var(--text-sm); color: var(--color-muted); max-width: 60ch; }
.land__section { display: grid; gap: var(--space-lg); min-width: 0; }
.land__head {
  font-family: var(--font-display);
  font-size: var(--text-display-s);
  font-weight: var(--weight-display);
  letter-spacing: var(--tracking-display);
  line-height: var(--leading-snug);
  color: var(--color-ink);
}
.handles { list-style: none; padding: 0; display: grid; border-top: var(--rule-hair) solid var(--color-rule); }
.handle {
  padding-block: var(--space-sm);
  border-bottom: var(--rule-hair) solid var(--color-rule);
  font-family: var(--font-mono);
  font-size: var(--text-md);
  color: var(--color-ink);
  overflow-wrap: anywhere; min-width: 0;
}
.handle__name { color: var(--color-muted); }
.flow { list-style: none; padding: 0; display: grid; }
.flow__step {
  display: grid; gap: var(--space-xs);
  padding-block: var(--space-lg);
  border-top: var(--rule-hair) solid var(--color-rule-2);
  min-width: 0;
}
.flow__num { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-muted); }
.flow__text { display: grid; gap: var(--space-xs); justify-items: start; min-width: 0; }
.flow__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: var(--weight-strong); line-height: var(--leading-snug); color: var(--color-ink); }
.flow__body { color: var(--color-ink-2); max-width: 60ch; overflow-wrap: anywhere; }
.flow__body code { font-size: 0.95em; color: var(--color-ink); white-space: nowrap; }
@media (min-width: 48rem) {
  .handle { font-size: var(--text-lg); }
}

/* ---------- motion: one orchestrated entrance, then stillness ---------- */
.reveal {
  opacity: 0; transform: translateY(6px);
  animation: reveal var(--dur-long) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 70ms);
}
@keyframes reveal { to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(1turn); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 120ms !important;
  }
  .reveal { transform: none; animation-name: reveal-reduced; animation-timing-function: linear; }
  @keyframes reveal-reduced { to { opacity: 1; } }
  .btn[data-state="loading"]::after { animation: spin 1.2s linear infinite !important; }
  .btn:hover, .btn:active { transform: none; }
}