/* Hallmark · genre: modern-minimal · macrostructure: Product-Led Sections / Workbench · theme: Cobalt · design-system: design.md · designed-as-app */
/* Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V5 · light-first dev tool
 * Fonts: Space Grotesk (display) · Inter (body) · JetBrains Mono (machine voice)
 * Palette: cool near-white paper, ruler-drawn hairlines, ONE electric cobalt
 * signal accent; graphite reserved for code/terminal cards + one landing band.
 */

/* ---------------------------------------------------------------- tokens */
:root {
  /* paper band: light, cool near-white (never #fff) */
  --color-paper:      oklch(98.5% 0.004 250);
  --color-paper-2:    oklch(96.8% 0.005 250);
  --color-paper-3:    oklch(94.5% 0.007 250);

  /* ink */
  --color-ink:        oklch(24% 0.02 258);
  --color-ink-2:      oklch(34% 0.018 257);
  --color-ink-dim:    oklch(52% 0.015 257);
  --color-ink-faint:  oklch(66% 0.012 257);

  /* 1px hairlines do the work */
  --color-rule:       oklch(90.5% 0.007 250);
  --color-rule-soft:  oklch(94% 0.006 250);

  /* ONE electric cobalt — signal only */
  --color-accent:      oklch(58% 0.20 256);
  --color-accent-hi:   oklch(52% 0.21 256);
  --color-accent-ink:  oklch(99% 0.003 250);
  --color-accent-wash: oklch(58% 0.20 256 / 0.09);
  --color-focus:       var(--color-accent);

  /* graphite — the only dark surface: code/terminal cards + one landing band */
  --color-graphite:        oklch(22% 0.016 260);
  --color-graphite-2:      oklch(26.5% 0.018 260);
  --color-graphite-rule:   oklch(34% 0.02 260);
  --color-graphite-ink:    oklch(93% 0.008 255);
  --color-graphite-dim:    oklch(76% 0.012 255);
  --color-graphite-faint:  oklch(60% 0.014 255);
  --color-graphite-accent: oklch(74% 0.14 256);
  --color-graphite-ok:     oklch(76% 0.15 160);

  /* semantics (light-mode safe) */
  --color-ok:          oklch(62% 0.17 160);
  --color-ok-wash:     oklch(62% 0.17 160 / 0.10);
  --color-danger:      oklch(58% 0.20 28);
  --color-danger-wash: oklch(58% 0.20 28 / 0.09);
  --color-info:        oklch(58% 0.20 256);
  --color-info-wash:   oklch(58% 0.20 256 / 0.09);
  --color-warn:        oklch(68% 0.16 75);
  --color-warn-wash:   oklch(68% 0.16 75 / 0.12);

  /* deeper text counterparts for washed chips on light paper */
  --color-ok-ink:     oklch(42% 0.12 160);
  --color-danger-ink: oklch(47% 0.17 28);
  --color-info-ink:   var(--color-accent-hi);
  --color-warn-ink:   oklch(48% 0.11 75);

  /* type */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  /* 4-point spacing scale */
  --space-3xs: 0.25rem;  --space-2xs: 0.5rem;  --space-xs: 0.75rem;
  --space-sm:  1rem;     --space-md:  1.5rem;  --space-lg: 2rem;
  --space-xl:  3rem;     --space-2xl: 4.5rem;  --space-3xl: 7rem;

  --text-xs: 0.75rem;  --text-sm: 0.875rem; --text-md: 1.125rem;
  --text-lg: 1.375rem; --text-xl: 1.75rem;  --text-2xl: 2.25rem;
  --text-display: clamp(2.5rem, 5vw + 0.5rem, 4rem);

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:     cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-short: 220ms;

  --radius-card: 10px; --radius-pill: 999px; --radius-input: 6px;

  --shadow-lift: 0 1px 2px oklch(24% 0.02 258 / 0.05);

  --container: 1120px;
  --container-app: 1200px;
}

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-3xl);
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  animation: page-in 240ms var(--ease-out);
}

@keyframes page-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
}

p { margin: 0; }

a {
  color: var(--color-accent-hi);
  text-decoration: none;
  transition: color var(--dur-short) var(--ease-out);
}
a:hover { color: var(--color-accent-hi); text-decoration: underline; text-underline-offset: 3px; }

code, pre, kbd { font-family: var(--font-mono); }

code {
  font-size: 0.875em;
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius-input);
  padding: 0.1em 0.4em;
  overflow-wrap: anywhere;
}

pre {
  margin: 0;
  overflow-x: auto;
  font-size: var(--text-sm);
  line-height: 1.7;
}

::selection { background: var(--color-accent); color: var(--color-accent-ink); }

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

button { font: inherit; color: inherit; }

/* ---------------------------------------------------------------- layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.section { padding-block: var(--space-2xl); }
.section + .section { border-top: 1px solid var(--color-rule-soft); }

/* section head: mono tag stacked above heading, one column */
.sec-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  max-width: 640px;
}
.sec-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-hi);
}
.sec-head h2 { font-size: var(--text-2xl); }
.sec-sub { color: var(--color-ink-dim); font-size: var(--text-md); }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

/* ---------------------------------------------------------------- wordmark */
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  letter-spacing: -0.02em;
  color: var(--color-ink);
  white-space: nowrap;
}
.wordmark:hover { color: var(--color-ink); text-decoration: none; }
.wordmark .mark { color: var(--color-accent); flex: none; }

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  height: 40px;
  padding-inline: var(--space-sm);
  border-radius: var(--radius-input);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: background-color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out),
              color var(--dur-short) var(--ease-out),
              opacity var(--dur-short) var(--ease-out);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--color-accent); color: var(--color-accent-ink); }
.btn-primary:hover { background: var(--color-accent-hi); color: var(--color-accent-ink); }
.btn-primary:active { transform: translateY(1px); }

.btn-ghost { background: transparent; color: var(--color-ink); border-color: var(--color-rule); }
.btn-ghost:hover { background: var(--color-paper-3); border-color: var(--color-ink-faint); color: var(--color-ink); }

.btn-danger { background: transparent; color: var(--color-danger); border-color: var(--color-rule); }
.btn-danger:hover { background: var(--color-danger-wash); border-color: var(--color-danger); color: var(--color-danger); }
.btn-danger[data-armed] { background: var(--color-danger); color: var(--color-accent-ink); border-color: var(--color-danger); }

.btn-sm { height: 32px; padding-inline: var(--space-xs); font-size: var(--text-xs); }
.btn-block { width: 100%; }

.btn[disabled], .btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn[data-loading] { opacity: 0.6; cursor: wait; }

/* small inline copy button */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3xs);
  padding: var(--space-3xs) var(--space-2xs);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
  background: var(--color-paper);
  color: var(--color-ink-dim);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out),
              background-color var(--dur-short) var(--ease-out);
}
.copy-btn:hover { color: var(--color-ink); border-color: var(--color-ink-faint); }
.copy-btn[data-copied] { color: var(--color-ok-ink); border-color: var(--color-ok); }

/* ---------------------------------------------------------------- badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3xs);
  padding: var(--space-3xs) var(--space-xs);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--color-ink-dim);
  background: var(--color-paper-3);
}
.badge-accent { color: var(--color-accent-hi); background: var(--color-accent-wash); }
.badge-ok { color: var(--color-ok-ink); background: var(--color-ok-wash); }
.badge-danger { color: var(--color-danger-ink); background: var(--color-danger-wash); }
.badge-info { color: var(--color-info-ink); background: var(--color-info-wash); }
.badge-warn { color: var(--color-warn-ink); background: var(--color-warn-wash); }

.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-ok);
  margin-right: var(--space-2xs);
  animation: live-pulse 2s var(--ease-in-out) infinite;
}
@keyframes live-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* HTTP method + status colors */
.method {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
}
.m-get     { color: var(--color-info); }
.m-post    { color: var(--color-ok-ink); }
.m-put, .m-patch { color: var(--color-accent-hi); }
.m-delete  { color: var(--color-danger); }
.m-head, .m-options { color: var(--color-ink-faint); }

.status { font-family: var(--font-mono); font-size: var(--text-sm); white-space: nowrap; }
.s-2xx { color: var(--color-ok-ink); }
.s-3xx { color: var(--color-info); }
.s-4xx { color: var(--color-warn-ink); }
.s-5xx { color: var(--color-danger); }
.s-0xx { color: var(--color-ink-faint); }

/* ---------------------------------------------------------------- marketing nav */
.nav {
  border-bottom: 1px solid var(--color-rule-soft);
  background: var(--color-paper);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  height: 60px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-inline: auto;
}
.nav-links a {
  position: relative;
  color: var(--color-ink-dim);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -3px;
  height: 1px;
  background: var(--color-accent);
  transition: right var(--dur-short) var(--ease-out);
}
.nav-links a:hover { color: var(--color-ink); text-decoration: none; }
.nav-links a:hover::after { right: 0; }
.nav-cta { display: flex; align-items: center; gap: var(--space-xs); }

/* ---------------------------------------------------------------- hero (left copy, graphite terminal right) */
.hero {
  padding-block: var(--space-3xl) var(--space-2xl);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--space-xl);
  align-items: center;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  min-width: 0;
}
.hero h1 {
  font-size: var(--text-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.hero-sub {
  font-size: var(--text-md);
  color: var(--color-ink-dim);
  max-width: 620px;
}
.hero-promo {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-dim);
}
.hero-cta { display: flex; gap: var(--space-xs); flex-wrap: wrap; }
.hero-term { width: 100%; max-width: 720px; justify-self: end; }

/* ---------------------------------------------------------------- code surfaces
 * .term = graphite terminal card (marketing only — the allowed dark surface)
 * .well = light mono well for app pages (keys/commands, easier to read/copy)
 */
.term {
  background: var(--color-graphite);
  color: var(--color-graphite-ink);
  border: 1px solid var(--color-graphite-rule);
  border-radius: var(--radius-card);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.9;
  overflow-x: auto;
}
.term .t-p { color: var(--color-graphite-accent); user-select: none; }
.term .t-o { color: var(--color-graphite-ok); }
.term .t-c { color: var(--color-graphite-faint); }
.term .t-d { color: var(--color-graphite-dim); }
.term .copy-btn {
  background: var(--color-graphite-2);
  border-color: var(--color-graphite-rule);
  color: var(--color-graphite-dim);
}
.term .copy-btn:hover { color: var(--color-graphite-ink); border-color: var(--color-graphite-faint); }
.term .copy-btn[data-copied] { color: var(--color-graphite-ok); border-color: var(--color-graphite-ok); }

.well {
  background: var(--color-paper-2);
  color: var(--color-ink-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.9;
  overflow-x: auto;
}
.well .t-p { color: var(--color-accent-hi); user-select: none; }
.well .t-o { color: var(--color-ok-ink); }
.well .t-c { color: var(--color-ink-faint); }
.well .t-d { color: var(--color-ink-dim); }

.term-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
}
.term-row pre { flex: 1 1 auto; min-width: 0; }
.term-row .copy-btn { flex: none; margin-top: var(--space-3xs); }

/* ---------------------------------------------------------------- the one dark band (landing quickstart) */
.band-dark {
  background: var(--color-graphite);
  color: var(--color-graphite-ink);
}
.band-dark .sec-tag { color: var(--color-graphite-accent); }
.band-dark .sec-head h2 { color: var(--color-graphite-ink); }
.band-dark .sec-sub { color: var(--color-graphite-dim); }
.band-dark .step-body h3 { color: var(--color-graphite-ink); }
.band-dark .step-body p { color: var(--color-graphite-dim); }
.band-dark .step-n {
  border-color: var(--color-graphite-accent);
  color: var(--color-graphite-accent);
  background: transparent;
}
.band-dark .term { background: var(--color-graphite-2); }

/* ---------------------------------------------------------------- cards */
.card {
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 0;
  transition: border-color var(--dur-short) var(--ease-out),
              box-shadow var(--dur-short) var(--ease-out);
}
.card:hover { border-color: var(--color-ink-faint); box-shadow: var(--shadow-lift); }
.card h3 { font-size: var(--text-md); }
.card p { color: var(--color-ink-dim); font-size: var(--text-sm); }
.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

/* quickstart steps */
.steps { display: flex; flex-direction: column; gap: var(--space-lg); }
.step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--space-sm);
  align-items: start;
}
.step-n {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  background: var(--color-accent-wash);
  color: var(--color-accent-hi);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--text-sm);
  flex: none;
}
.step-body { display: flex; flex-direction: column; gap: var(--space-xs); min-width: 0; }
.step-body h3 { font-size: var(--text-md); }
.step-body p { color: var(--color-ink-dim); font-size: var(--text-sm); }

/* plan cards */
.plan-card { gap: var(--space-sm); }
.plan-card.current { border-color: var(--color-accent); }
.plan-card.plan-soon { opacity: 0.62; }
.plan-name {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
}
.plan-price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.plan-price span {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-faint);
}
.plan-endpoints { font-size: var(--text-sm); color: var(--color-ink-dim); }
.plan-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  flex: 1;
}
.plan-features li {
  display: flex;
  gap: var(--space-2xs);
  font-size: var(--text-sm);
  color: var(--color-ink-dim);
}
.plan-features li::before {
  content: "→";
  color: var(--color-accent);
  flex: none;
}

/* roadmap */
.roadmap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xs);
}
.roadmap-list li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border: 1px dashed var(--color-rule);
  border-radius: var(--radius-card);
  color: var(--color-ink-dim);
  font-size: var(--text-sm);
}
.roadmap-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--color-ink-faint);
  flex: none;
}

/* closing CTA */
.cta-final {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
}
.cta-final h2 { font-size: var(--text-2xl); max-width: 560px; }

/* ---------------------------------------------------------------- footer */
.footer {
  border-top: 1px solid var(--color-rule-soft);
  padding-block: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}
.footer-brand { display: flex; flex-direction: column; gap: var(--space-xs); max-width: 420px; }
.footer-note { color: var(--color-ink-faint); font-size: var(--text-sm); }
.footer-links {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  flex-wrap: wrap;
}
.footer-links a {
  position: relative;
  color: var(--color-ink-dim);
  font-size: var(--text-sm);
  white-space: nowrap;
}
.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -3px;
  height: 1px;
  background: var(--color-accent);
  transition: right var(--dur-short) var(--ease-out);
}
.footer-links a:hover { color: var(--color-ink); text-decoration: none; }
.footer-links a:hover::after { right: 0; }
.footer-base {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
  color: var(--color-ink-faint);
  font-size: var(--text-xs);
}
.footer-legal { display: flex; gap: var(--space-sm); }
.footer-legal a { color: var(--color-ink-faint); }
.footer-legal a:hover { color: var(--color-accent); text-decoration: none; }

/* ---------------------------------------------------------------- legal pages */
.legal { max-width: 760px; padding-block: var(--space-xl); }
.legal .page-head { margin-bottom: var(--space-lg); }
.legal-sec { padding-block: var(--space-md); border-top: 1px solid var(--color-rule); }
.legal-sec h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}
.legal-sec p { color: var(--color-ink-2); margin-bottom: var(--space-2xs); max-width: 68ch; }
.legal-sec a { color: var(--color-accent); }

/* ---------------------------------------------------------------- auth pages */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-md);
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.auth-card h1 { font-size: var(--text-xl); }
.auth-sub { color: var(--color-ink-dim); font-size: var(--text-sm); margin-top: calc(-1 * var(--space-xs)); }
.auth-alt { text-align: right; font-size: var(--text-xs); margin-top: calc(-1 * var(--space-2xs)); }
.auth-switch { color: var(--color-ink-faint); font-size: var(--text-sm); text-align: center; }
.auth-card form { display: flex; flex-direction: column; gap: var(--space-sm); margin: 0; }

/* ---------------------------------------------------------------- forms */
.field { display: flex; flex-direction: column; gap: var(--space-2xs); }
.label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-ink-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.input {
  height: 40px;
  padding-inline: var(--space-xs);
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  width: 100%;
  transition: border-color var(--dur-short) var(--ease-out);
}
.input::placeholder { color: var(--color-ink-faint); }
.input:hover { border-color: var(--color-ink-faint); }
.input:focus { outline: none; border-color: var(--color-accent); }
.input:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 1px; border-color: var(--color-accent); }

form { margin: 0; }
.inline-form { display: flex; gap: var(--space-xs); align-items: flex-end; flex-wrap: wrap; }
.inline-form .field { flex: 1; min-width: 200px; }

.form-error {
  background: var(--color-danger-wash);
  border: 1px solid var(--color-danger);
  color: var(--color-danger-ink);
  border-radius: var(--radius-input);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-sm);
}
.form-note { color: var(--color-ink-faint); font-size: var(--text-xs); }

/* ---------------------------------------------------------------- app shell (workbench — 100% light) */
.app {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  min-height: 100vh;
}
.app-side {
  border-right: 1px solid var(--color-rule-soft);
  padding: var(--space-md) var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--color-paper-2);
}
.app-nav { display: flex; flex-direction: column; gap: var(--space-3xs); flex: 1; }
.app-nav a {
  display: flex;
  align-items: center;
  height: 36px;
  padding-inline: var(--space-xs);
  border-radius: var(--radius-input);
  color: var(--color-ink-dim);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.app-nav a:hover { background: var(--color-paper-3); color: var(--color-ink); text-decoration: none; }
.app-nav a.active {
  background: var(--color-accent-wash);
  color: var(--color-accent-hi);
  font-weight: 600;
}
.account {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-rule-soft);
  min-width: 0;
}
.account-email {
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.app-main {
  padding: var(--space-xl);
  width: 100%;
  max-width: var(--container-app);
  margin-inline: auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.page-head { display: flex; flex-direction: column; gap: var(--space-2xs); }
.page-head h1 { font-size: var(--text-2xl); }
.page-head p { color: var(--color-ink-dim); font-size: var(--text-sm); }
.page-head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.back-link {
  font-size: var(--text-sm);
  color: var(--color-ink-dim);
  white-space: nowrap;
}
.back-link:hover { color: var(--color-ink); }

.panel {
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 0;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.panel-head h2 { font-size: var(--text-md); }
.panel-head p { color: var(--color-ink-faint); font-size: var(--text-xs); }

/* usage meter */
.meter-block { display: flex; flex-direction: column; gap: var(--space-2xs); }
.meter-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-ink-dim);
}
.meter-head strong { color: var(--color-ink); font-weight: 600; }
.meter {
  height: 8px;
  border-radius: var(--radius-input);
  background: var(--color-paper-3);
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  border-radius: var(--radius-input);
  background: var(--color-accent);
  transition: width 400ms var(--ease-out);
}
.meter-fill--full { background: var(--color-danger); }

/* ---------------------------------------------------------------- tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  background: var(--color-paper);
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  padding: var(--space-sm) var(--space-sm);
  border-bottom: 1px solid var(--color-rule);
  white-space: nowrap;
}
.table td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-rule-soft);
  vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr.req-row { cursor: pointer; transition: background-color var(--dur-short) var(--ease-out); }
.table tbody tr.req-row:hover { background: var(--color-paper-2); }
.table tbody tr.req-row.open { background: var(--color-paper-2); }
.table .num { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-ink-dim); text-align: right; white-space: nowrap; }
.t-dim { color: var(--color-ink-faint); }
.table .t-dim { font-family: var(--font-mono); font-size: var(--text-xs); white-space: nowrap; }
.table .path {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.table .mono { font-family: var(--font-mono); font-size: var(--text-xs); }
.table a { font-family: var(--font-mono); font-size: var(--text-xs); }

/* request detail row */
.req-detail td { background: var(--color-paper-2); padding: var(--space-sm); }
.req-detail h4 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-2xs);
  text-transform: uppercase;
}
.req-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.hdr-list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}
.hdr-list div { display: flex; gap: var(--space-2xs); min-width: 0; }
.hdr-list dt { color: var(--color-ink-faint); flex: none; }
.hdr-list dd { margin: 0; color: var(--color-ink-dim); overflow-wrap: anywhere; min-width: 0; }
.snippet {
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-ink-dim);
  font-size: var(--text-xs);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.replay-out {
  margin-top: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-dim);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.replay-out.replay-ok { border-color: var(--color-ok); color: var(--color-ok-ink); background: var(--color-ok-wash); }
.replay-out.replay-bad { border-color: var(--color-danger); color: var(--color-danger-ink); background: var(--color-danger-wash); }

/* ---------------------------------------------------------------- key reveal */
.key-reveal {
  border: 1px solid var(--color-accent);
  background: var(--color-accent-wash);
  border-radius: var(--radius-card);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.key-reveal h3 { font-size: var(--text-md); color: var(--color-accent-hi); }
.key-reveal p { color: var(--color-ink-dim); font-size: var(--text-sm); }
.key-value {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
}
.key-value code {
  background: var(--color-paper);
  border-color: var(--color-rule);
  padding: var(--space-2xs) var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-ink);
  overflow-wrap: anywhere;
}

/* ---------------------------------------------------------------- empty states */
.empty {
  border: 1px dashed var(--color-rule);
  border-radius: var(--radius-card);
  padding: var(--space-xl) var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}
.empty h3 { font-size: var(--text-md); }
.empty p { color: var(--color-ink-dim); font-size: var(--text-sm); max-width: 520px; }
.empty .term, .empty .well { width: 100%; }

/* ---------------------------------------------------------------- error page */
.error-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  text-align: center;
}
.error-status {
  font-family: var(--font-mono);
  font-size: var(--text-display);
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
}
.error-wrap h1 { font-size: var(--text-xl); }
.error-wrap p { color: var(--color-ink-dim); max-width: 440px; }

/* ---------------------------------------------------------------- stats & charts */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-sm);
}
.stat-card { gap: var(--space-3xs); }
.stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
}
.stat-plain { display: flex; flex-direction: column; gap: var(--space-3xs); min-width: 0; }
.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.stat-plain .stat-value { font-size: var(--text-xl); }

.chart { overflow-x: auto; }
.chart-svg { display: block; max-width: none; }
.chart-svg rect { transition: opacity var(--dur-short) var(--ease-out); }
.chart-svg rect:hover { opacity: 0.75; }
.chart-axis { stroke: var(--color-rule); stroke-width: 1; }
.chart-empty {
  padding: var(--space-md);
  color: var(--color-ink-faint);
  font-size: var(--text-sm);
  border: 1px dashed var(--color-rule);
  border-radius: var(--radius-card);
}
.chart-empty-note { color: var(--color-ink-faint); font-size: var(--text-xs); margin-top: var(--space-2xs); }
.chart-legend { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.chart-legend-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-dim);
  white-space: nowrap;
}
.chart-legend-item i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
  flex: none;
}

.ratio-bar {
  display: flex;
  height: 12px;
  border-radius: var(--radius-input);
  overflow: hidden;
  background: var(--color-paper-3);
}
.ratio-seg { display: block; height: 100%; }
.ratio-empty-note {
  display: block;
  padding: var(--space-2xs) var(--space-xs);
  color: var(--color-ink-faint);
  font-size: var(--text-xs);
}

/* ---------------------------------------------------------------- filter bar & range tabs */
.filter-bar {
  display: flex;
  gap: var(--space-xs);
  align-items: flex-end;
  flex-wrap: wrap;
}
.filter-bar .field { min-width: 160px; flex: 1; }
.filter-bar .btn { flex: none; }

.range-tabs {
  display: inline-flex;
  gap: var(--space-3xs);
  padding: var(--space-3xs);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
  background: var(--color-paper);
}
.range-tab {
  padding: var(--space-3xs) var(--space-xs);
  border-radius: var(--radius-input);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-ink-dim);
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.range-tab:hover { color: var(--color-ink); background: var(--color-paper-2); text-decoration: none; }
.range-tab.active { background: var(--color-accent-wash); color: var(--color-accent-hi); }

/* ---------------------------------------------------------------- activity list */
.activity-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.activity-item {
  display: flex;
  gap: var(--space-xs);
  align-items: baseline;
  padding: var(--space-2xs) 0;
  border-bottom: 1px solid var(--color-rule-soft);
  font-size: var(--text-sm);
  flex-wrap: wrap;
}
.activity-item:last-child { border-bottom: none; }
.activity-ts { flex: none; width: 72px; font-family: var(--font-mono); font-size: var(--text-xs); }
.activity-event { flex: none; }
.activity-detail { color: var(--color-ink-dim); min-width: 0; overflow-wrap: anywhere; }

/* ---------------------------------------------------------------- plan gate & danger zone */
.plan-gate { align-items: flex-start; gap: var(--space-sm); border-style: dashed; }
.gate-copy { color: var(--color-ink-dim); font-size: var(--text-sm); max-width: 480px; }

.danger-zone { border-color: var(--color-danger); }
.danger-zone h2 { color: var(--color-danger-ink); }
.danger-copy { color: var(--color-ink-dim); font-size: var(--text-sm); max-width: 520px; }
.settings-form { display: flex; flex-direction: column; gap: var(--space-sm); max-width: 380px; }
.settings-list div { padding: var(--space-3xs) 0; }

/* ---------------------------------------------------------------- reveal (landing only) */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
  }
  .reveal.is-in { opacity: 1; transform: none; }
}

/* ---------------------------------------------------------------- responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); padding-block: var(--space-2xl); }
  .hero-term { justify-self: stretch; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .sec-head h2 { font-size: var(--text-xl); }
  .section { padding-block: var(--space-xl); }
  .grid-3, .grid-2, .roadmap-list, .req-detail-grid { grid-template-columns: minmax(0, 1fr); }
  .nav-links { display: none; }
  .step { grid-template-columns: 32px minmax(0, 1fr); gap: var(--space-sm); }
  .step-n { width: 32px; height: 32px; }

  .app { grid-template-columns: minmax(0, 1fr); }
  .app-side {
    position: static;
    height: auto;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-right: none;
    border-bottom: 1px solid var(--color-rule-soft);
  }
  .app-nav {
    flex-direction: row;
    overflow-x: auto;
    gap: var(--space-2xs);
    padding-bottom: var(--space-3xs);
  }
  .app-nav a { flex: none; }
  .account { flex-direction: row; align-items: center; flex-wrap: wrap; }
  .account-email { flex: 1; min-width: 120px; }
  .app-main { padding: var(--space-md); gap: var(--space-lg); }
}

@media (max-width: 420px) {
  .hero-cta .btn { flex: 1; }
  .footer-inner { flex-direction: column; gap: var(--space-md); }
  .nav-cta .btn-ghost { display: none; }
  .filter-bar .field { min-width: 100%; }
  .filter-bar .btn { flex: 1; }
  .activity-ts { width: auto; }
}

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

/* admin control plane */
.input-sm { padding: 0.3rem 0.5rem; height: auto; min-height: 0; font-size: 0.85em; width: auto; }
td .inline-form { display: inline-flex; gap: var(--space-2xs); align-items: center; flex-wrap: nowrap; margin-right: var(--space-2xs); }