/* ========================================================================
   FinToken X — Architecture Documentation Styles
   Shared by index.html, all 8 persona files, system-view.html, backend.html
   ======================================================================== */

/* --------------------------------------------------------------------------
   Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand */
  --fx-navy: #0b1b3a;
  --fx-navy-2: #11284f;
  --fx-blue: #2256d6;
  --fx-blue-2: #4a7df3;
  --fx-cyan: #00b8d9;
  --fx-mint: #00c389;
  --fx-amber: #f5a524;
  --fx-rose: #e5484d;
  --fx-violet: #7c5cff;

  /* Surface */
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #f9fafc;
  --surface-3: #eef1f6;
  --surface-4: #e2e6ee;
  --ink: #0e1421;
  --ink-2: #303a4f;
  --ink-3: #5a6378;
  --ink-4: #8089a0;
  --line: #d8dde7;
  --line-2: #c2c9d6;

  /* Status */
  --ok: #00c389;
  --warn: #f5a524;
  --bad: #e5484d;
  --info: #2256d6;
  --neutral: #8089a0;

  /* Type */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  --size-xs: 11px;
  --size-sm: 12px;
  --size-base: 14px;
  --size-md: 15px;
  --size-lg: 17px;
  --size-xl: 22px;
  --size-2xl: 30px;
  --size-3xl: 40px;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  --shadow-sm: 0 1px 2px rgba(13, 24, 47, 0.04), 0 1px 3px rgba(13, 24, 47, 0.06);
  --shadow: 0 4px 12px rgba(13, 24, 47, 0.06), 0 1px 3px rgba(13, 24, 47, 0.04);
  --shadow-lg: 0 14px 40px rgba(13, 24, 47, 0.12), 0 4px 12px rgba(13, 24, 47, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--size-base);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--fx-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre {
  font-family: var(--font-mono);
  font-size: 0.92em;
}
code {
  background: var(--surface-3);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--line);
}
pre {
  background: var(--ink);
  color: #e8edf7;
  padding: 14px 16px;
  border-radius: var(--radius);
  overflow-x: auto;
  line-height: 1.5;
  margin: 12px 0;
}
pre code { background: transparent; border: none; padding: 0; color: inherit; }

/* --------------------------------------------------------------------------
   Page shell — sidebar + main
   -------------------------------------------------------------------------- */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--fx-navy);
  color: #d8e0f0;
  padding: 22px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-brand {
  padding: 0 22px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 18px;
}
.sidebar-brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--fx-blue-2), var(--fx-cyan));
  display: grid;
  place-items: center;
  color: white;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.02em;
}
.sidebar-brand-text {
  font-weight: 600;
  font-size: 14px;
  color: white;
  letter-spacing: -0.01em;
}
.sidebar-brand-sub {
  font-size: 11px;
  color: #8a9bbb;
  font-weight: 400;
  margin-top: 1px;
}
.sidebar-section {
  padding: 14px 22px 6px;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6f7fa0;
  font-weight: 600;
}
.sidebar a {
  display: block;
  padding: 7px 22px;
  color: #c8d2e6;
  font-size: 13px;
  transition: all 0.12s;
  border-left: 3px solid transparent;
  text-decoration: none;
}
.sidebar a:hover {
  background: rgba(255, 255, 255, 0.04);
  color: white;
  text-decoration: none;
}
.sidebar a.active {
  background: rgba(74, 125, 243, 0.14);
  color: white;
  border-left-color: var(--fx-blue-2);
  font-weight: 500;
}

.main {
  padding: 38px 56px 80px;
  max-width: 1280px;
}

/* --------------------------------------------------------------------------
   Lede / persona banner / page header
   -------------------------------------------------------------------------- */
.lede {
  margin-bottom: 36px;
}
.lede h1 {
  font-size: var(--size-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
  color: var(--ink);
  line-height: 1.1;
}
.lede .crumbs {
  font-size: 12px;
  color: var(--ink-4);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.lede .crumbs span + span::before {
  content: ' / ';
  color: var(--line-2);
  margin: 0 6px;
}
.lede p {
  font-size: var(--size-lg);
  color: var(--ink-2);
  max-width: 78ch;
  margin: 8px 0;
}

.persona-banner {
  background: linear-gradient(135deg, var(--fx-navy) 0%, var(--fx-navy-2) 70%);
  color: #e6ecf8;
  border-radius: var(--radius-md);
  padding: 26px 30px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.persona-banner::after {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(74, 125, 243, 0.22), transparent 70%);
  pointer-events: none;
}
.persona-banner h2 {
  font-size: var(--size-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
  color: white;
}
.persona-banner .who {
  font-size: 13px;
  color: #93a4cb;
  margin-bottom: 14px;
}
.persona-banner p {
  font-size: 14px;
  color: #c5cfe6;
  max-width: 80ch;
  margin: 4px 0;
}
.persona-banner .persona-meta {
  display: flex;
  gap: 24px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.persona-banner .persona-meta div {
  font-size: 12px;
}
.persona-banner .persona-meta dt {
  color: #8092b8;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 10px;
  font-weight: 600;
  margin-bottom: 2px;
}
.persona-banner .persona-meta dd {
  color: white;
  margin: 0;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Section / heading scaffolding
   -------------------------------------------------------------------------- */
section {
  margin: 44px 0;
}
section > h2 {
  font-size: var(--size-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 6px;
  color: var(--ink);
}
section > .section-sub {
  font-size: var(--size-md);
  color: var(--ink-3);
  margin: 0 0 24px;
  max-width: 78ch;
}
h3 {
  font-size: var(--size-xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 30px 0 10px;
  color: var(--ink);
}
h4 {
  font-size: var(--size-lg);
  font-weight: 600;
  margin: 22px 0 8px;
  color: var(--ink);
}

p { margin: 8px 0; color: var(--ink-2); }
ul, ol { padding-left: 22px; color: var(--ink-2); }
li { margin: 4px 0; }

/* --------------------------------------------------------------------------
   Cards / commentary
   -------------------------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  box-shadow: var(--shadow-sm);
  margin: 16px 0;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 18px 0;
}
.card h4 { margin-top: 0; }

.commentary {
  background: linear-gradient(180deg, #f3f6fc 0%, #eef3fa 100%);
  border-left: 3px solid var(--fx-blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px;
  margin: 14px 0;
  font-size: 13px;
  color: var(--ink-2);
}
.commentary strong {
  color: var(--fx-navy);
  font-weight: 600;
}
.commentary code {
  font-size: 11.5px;
  background: rgba(34, 86, 214, 0.08);
  border-color: rgba(34, 86, 214, 0.2);
  color: var(--fx-blue);
}

.callout {
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 14px 0;
  font-size: 13px;
  border: 1px solid;
}
.callout-warn {
  background: #fff8eb;
  border-color: #f1d9a3;
  color: #6a4708;
}
.callout-bad {
  background: #fdebec;
  border-color: #f5b9bc;
  color: #7a1f23;
}
.callout-ok {
  background: #e8faf2;
  border-color: #a8e0c8;
  color: #11533a;
}
.callout-info {
  background: #ecf2fd;
  border-color: #b0c4ef;
  color: #1a3d8a;
}
.callout strong { font-weight: 600; }

/* --------------------------------------------------------------------------
   Step tags / chips / pills
   -------------------------------------------------------------------------- */
.step-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-3);
  border: 1px solid var(--line);
  color: var(--ink-2);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.step-tag.brd {
  background: #ecf2fd;
  border-color: #b0c4ef;
  color: var(--fx-blue);
}
.step-tag.gate {
  background: #fff8eb;
  border-color: #f1d9a3;
  color: #6a4708;
}
.step-tag.state {
  background: #ede8ff;
  border-color: #c7bbff;
  color: #4326b8;
  font-family: var(--font-mono);
  font-size: 11px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  border: 1px solid;
  background: var(--surface-3);
  border-color: var(--line);
  color: var(--ink-2);
}
.pill.ok { background: #e8faf2; border-color: #a8e0c8; color: #0a6b46; }
.pill.warn { background: #fff8eb; border-color: #f1d9a3; color: #8a5300; }
.pill.bad { background: #fdebec; border-color: #f5b9bc; color: #9a2026; }
.pill.info { background: #ecf2fd; border-color: #b0c4ef; color: #1a3d8a; }
.pill.violet { background: #f1ecff; border-color: #d2c5ff; color: #4326b8; }
.pill::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.55;
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 14px 0;
  font-size: 13px;
}
table th {
  background: var(--surface-2);
  text-align: left;
  font-weight: 600;
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-3);
  border-bottom: 1px solid var(--line);
}
table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--surface-3);
  color: var(--ink-2);
  vertical-align: top;
}
table tr:last-child td { border-bottom: none; }
table tr:hover td { background: var(--surface-2); }
table.compact td, table.compact th { padding: 6px 10px; font-size: 12px; }
table .num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--font-mono); font-size: 12px; }
table .center { text-align: center; }

/* --------------------------------------------------------------------------
   Flow strip — horizontal, free-scroll, no snap
   -------------------------------------------------------------------------- */
.flow-strip {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  padding: 14px 4px 24px;
  margin: 16px -8px;
  scroll-padding: 8px;
}
.flow-strip::-webkit-scrollbar { height: 8px; }
.flow-strip::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 4px; }
.flow-strip::-webkit-scrollbar-track { background: transparent; }

.flow-step {
  flex: 0 0 auto;
  width: 360px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.flow-step.wide { width: 460px; }
.flow-step.narrow { width: 300px; }

.flow-step-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.flow-step-title {
  font-weight: 600;
  font-size: 13px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.flow-step-caption {
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Browser frame (web app mockup)
   -------------------------------------------------------------------------- */
.browser {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-size: 12px;
}
.browser-chrome {
  background: var(--surface-3);
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.browser-dots {
  display: flex;
  gap: 5px;
}
.browser-dots span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--line-2);
}
.browser-dots span:nth-child(1) { background: #ff6259; }
.browser-dots span:nth-child(2) { background: #ffbd2e; }
.browser-dots span:nth-child(3) { background: #28c93f; }
.browser-url {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.browser-url .lock {
  color: var(--ok);
  margin-right: 6px;
}
.browser-body {
  background: var(--surface);
  display: grid;
  grid-template-columns: 60px 1fr;
  min-height: 280px;
  max-height: 720px;
  overflow: hidden;
}
.browser-body.no-side { grid-template-columns: 1fr; }
.browser-side {
  background: #14213d;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: #b0bdd9;
}
.browser-side-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  display: grid;
  place-items: center;
  font-size: 12px;
  cursor: pointer;
}
.browser-side-icon.active {
  background: rgba(74, 125, 243, 0.25);
  color: white;
}
.browser-content {
  background: var(--surface-2);
  padding: 16px 18px;
  overflow-y: auto;
}
.browser-topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 10px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
}
.browser-topbar .crumbs-inline {
  color: var(--ink-3);
}
.browser-topbar .user-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  background: var(--surface-3);
  border-radius: 999px;
  color: var(--ink-2);
  font-weight: 500;
}
.browser-topbar .user-chip::before {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--fx-blue-2), var(--fx-violet));
}

.b-page { padding: 0; }
.b-h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
  color: var(--ink);
}
.b-subtle { color: var(--ink-3); font-size: 12px; margin: 0 0 14px; }

.b-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 10px 0;
}
.b-card h5 {
  font-size: 13px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--ink);
}
.b-card p { margin: 4px 0; font-size: 12.5px; color: var(--ink-2); }

.b-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.b-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.b-row-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.b-stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
}
.b-stat .label {
  font-size: 10.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 600;
}
.b-stat .value {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}
.b-stat .delta {
  font-size: 11px;
  margin-top: 1px;
}
.b-stat .delta.up { color: var(--ok); }
.b-stat .delta.down { color: var(--bad); }

.b-form-field {
  margin-bottom: 10px;
}
.b-form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}
.b-form-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: 12.5px;
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
}
.b-form-help {
  font-size: 11px;
  color: var(--ink-4);
  margin-top: 3px;
}

.b-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}
.b-btn.primary {
  background: var(--fx-blue);
  border-color: var(--fx-blue);
  color: white;
}
.b-btn.success {
  background: var(--ok);
  border-color: var(--ok);
  color: white;
}
.b-btn.danger {
  background: var(--bad);
  border-color: var(--bad);
  color: white;
}
.b-btn.ghost {
  background: transparent;
}
.b-btn.lg {
  padding: 10px 18px;
  font-size: 13px;
}

.b-table {
  font-size: 11.5px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 8px 0;
  background: var(--surface);
}
.b-table-row {
  display: grid;
  padding: 7px 12px;
  border-bottom: 1px solid var(--surface-3);
  align-items: center;
  gap: 8px;
}
.b-table-row.head {
  background: var(--surface-2);
  font-weight: 600;
  font-size: 10.5px;
  text-transform: uppercase;
  color: var(--ink-3);
  letter-spacing: 0.05em;
}
.b-table-row:last-child { border-bottom: none; }
.b-table-row .right { text-align: right; font-variant-numeric: tabular-nums; }

.b-progress-step {
  display: flex;
  gap: 8px;
  margin: 14px 0 18px;
}
.b-progress-step .step {
  flex: 1;
  height: 4px;
  background: var(--surface-3);
  border-radius: 2px;
}
.b-progress-step .step.done { background: var(--ok); }
.b-progress-step .step.active {
  background: linear-gradient(90deg, var(--ok) 50%, var(--surface-3) 50%);
}

/* --------------------------------------------------------------------------
   Email frame (transactional email mockup)
   -------------------------------------------------------------------------- */
.email-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  overflow: hidden;
  font-size: 13px;
}
.email-chrome {
  background: var(--surface-3);
  padding: 8px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}
.email-headers {
  padding: 12px 16px;
  border-bottom: 1px solid var(--surface-3);
  font-size: 12px;
  color: var(--ink-3);
}
.email-headers div { display: flex; gap: 10px; padding: 1px 0; }
.email-headers .hk {
  width: 56px;
  flex: 0 0 56px;
  font-weight: 600;
  color: var(--ink-4);
  text-transform: uppercase;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  padding-top: 1px;
}
.email-headers .hv { color: var(--ink-2); }
.email-headers .hv.subject { font-weight: 600; color: var(--ink); font-size: 13px; }
.email-headers .pill { margin-left: 8px; }

.email-body {
  padding: 22px 26px;
  font-size: 13.5px;
  color: var(--ink);
  line-height: 1.62;
}
.email-body h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 10px;
}
.email-body p { margin: 8px 0; color: var(--ink-2); }
.email-body .e-cta {
  display: inline-block;
  background: var(--fx-blue);
  color: white;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 13px;
  margin: 14px 0;
  text-decoration: none;
}
.email-body .e-cta.ok { background: var(--ok); }
.email-body .e-meta {
  background: var(--surface-2);
  border: 1px solid var(--surface-4);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin: 10px 0;
  font-size: 12px;
}
.email-body .e-meta dl {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 4px 10px;
  margin: 0;
}
.email-body .e-meta dt {
  color: var(--ink-3);
  font-weight: 500;
}
.email-body .e-meta dd {
  margin: 0;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.email-body hr {
  border: none;
  border-top: 1px solid var(--surface-3);
  margin: 18px 0;
}
.email-footer {
  background: var(--surface-2);
  border-top: 1px solid var(--surface-3);
  padding: 14px 22px;
  font-size: 11px;
  color: var(--ink-4);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   API / Webhook pane (machine surface)
   -------------------------------------------------------------------------- */
.api-pane {
  background: #0d1421;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
  font-family: var(--font-mono);
  font-size: 12px;
  color: #d8e0f0;
}
.api-pane-head {
  background: #1a2237;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.api-pane-head .verb {
  background: var(--fx-blue);
  color: white;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.api-pane-head .verb.get { background: #4a7df3; }
.api-pane-head .verb.post { background: #00c389; }
.api-pane-head .verb.put { background: #f5a524; }
.api-pane-head .verb.delete { background: #e5484d; }
.api-pane-head .path {
  font-size: 11.5px;
  color: #d8e0f0;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.api-pane-head .label {
  font-size: 10px;
  color: #8a9bbb;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-sans);
  font-weight: 600;
}
.api-pane-body {
  padding: 14px 16px;
  overflow-x: auto;
  line-height: 1.65;
}
.api-pane-body .k { color: #82aaff; }
.api-pane-body .s { color: #c3e88d; }
.api-pane-body .n { color: #f78c6c; }
.api-pane-body .b { color: #c792ea; }
.api-pane-body .c { color: #6f8cba; font-style: italic; }
.api-pane-divider {
  padding: 5px 14px;
  background: #1a2237;
  font-size: 10px;
  color: #8a9bbb;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-sans);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Dashboard mockup primitives (used on lender, investor, partner, admin, compliance)
   -------------------------------------------------------------------------- */
.dash {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.dash-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.dash-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.dash-toolbar {
  display: flex;
  gap: 6px;
}
.dash-kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border-bottom: 1px solid var(--line);
}
.dash-kpi {
  padding: 14px 18px;
  border-right: 1px solid var(--line);
}
.dash-kpi:last-child { border-right: none; }
.dash-kpi .label {
  font-size: 10.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 600;
}
.dash-kpi .value {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  margin-top: 4px;
}
.dash-kpi .sub {
  font-size: 11px;
  color: var(--ink-3);
  margin-top: 2px;
}
.dash-section {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.dash-section:last-child { border-bottom: none; }
.dash-section h5 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  margin: 0 0 10px;
}

/* --------------------------------------------------------------------------
   State machine diagram primitives (boxes + arrows, pure CSS)
   -------------------------------------------------------------------------- */
.sm-diagram {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin: 14px 0;
  overflow-x: auto;
}
.sm-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 10px 0;
  flex-wrap: wrap;
}
.sm-state {
  background: var(--surface-2);
  border: 1.5px solid var(--line-2);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-2);
  font-weight: 500;
  white-space: nowrap;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.sm-state .who {
  font-family: var(--font-sans);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-4);
  font-weight: 600;
}
.sm-state.start {
  background: var(--fx-navy);
  color: white;
  border-color: var(--fx-navy);
}
.sm-state.start .who { color: #93a4cb; }
.sm-state.terminal-ok {
  background: #e8faf2;
  border-color: var(--ok);
  color: #0a6b46;
}
.sm-state.terminal-bad {
  background: #fdebec;
  border-color: var(--bad);
  color: #9a2026;
}
.sm-state.review {
  background: #fff8eb;
  border-color: var(--warn);
  color: #6a4708;
}
.sm-arrow {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
  position: relative;
  white-space: nowrap;
}
.sm-arrow::before {
  content: '──→';
  margin: 0 4px;
  color: var(--line-2);
  font-weight: 600;
}
.sm-arrow.guard::before {
  content: '──[guard]→';
}

/* --------------------------------------------------------------------------
   Money formatting + numeric helpers
   -------------------------------------------------------------------------- */
.money {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
}
.muted { color: var(--ink-4); }
.right { text-align: right; }

/* --------------------------------------------------------------------------
   Persona index grid (used on index.html)
   -------------------------------------------------------------------------- */
.persona-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 22px 0;
}
.persona-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.15s;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.persona-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-1px);
  text-decoration: none;
}
.persona-card .pc-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--fx-blue-2), var(--fx-violet));
  display: grid;
  place-items: center;
  color: white;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.persona-card.seller .pc-mark { background: linear-gradient(135deg, #00c389, #00b8d9); }
.persona-card.buyer .pc-mark { background: linear-gradient(135deg, #f5a524, #ec6f3c); }
.persona-card.lender .pc-mark { background: linear-gradient(135deg, #2256d6, #4a7df3); }
.persona-card.investor .pc-mark { background: linear-gradient(135deg, #7c5cff, #b052ff); }
.persona-card.broker .pc-mark { background: linear-gradient(135deg, #e5484d, #f37cab); }
.persona-card.compliance .pc-mark { background: linear-gradient(135deg, #303a4f, #5a6378); }
.persona-card.partner .pc-mark { background: linear-gradient(135deg, #00b8d9, #2256d6); }
.persona-card.admin .pc-mark { background: linear-gradient(135deg, #0e1421, #303a4f); }

.persona-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}
.persona-card .pc-who {
  font-size: 11.5px;
  color: var(--ink-4);
  font-family: var(--font-mono);
}
.persona-card p {
  font-size: 13px;
  color: var(--ink-3);
  margin: 4px 0 0;
}
.persona-card .pc-nav {
  margin-top: auto;
  padding-top: 8px;
  font-size: 11.5px;
  color: var(--fx-blue);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Anchor permalinks
   -------------------------------------------------------------------------- */
h2[id], h3[id] { scroll-margin-top: 24px; }

/* --------------------------------------------------------------------------
   Print / responsive trim
   -------------------------------------------------------------------------- */
@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .main { padding: 24px 22px 40px; }
  .b-row, .b-row-3, .b-row-4 { grid-template-columns: 1fr; }
}