:root {
  --canvas: #f4ede0;
  --paper: #fffaf2;
  --paper-deep: #eadfce;
  --paper-sunken: #eee3d3;
  --ink: #2c211a;
  --ink-soft: #584b42;
  --muted: #74665d;
  --faint: #8a7d72;
  --line: #d7c8b5;
  --accent: #c6532f;
  --accent-dark: #8d3317;
  --accent-soft: #f4c2a7;
  --success: #347344;
  --success-soft: #dfeadd;
  --warning: #a86f16;
  --danger: #9e392b;
  --danger-soft: #f0d5cc;
  --dark: #2b1f18;
  --display: "STZhongsong", "Songti SC", "Noto Serif CJK SC", serif;
  --body: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-pill: 999px;
  --shadow-paper: 0 8px 28px rgba(72, 49, 29, .11), 0 1px 2px rgba(72, 49, 29, .09);
  --shadow-control: 0 3px 10px rgba(72, 49, 29, .11), 0 1px 2px rgba(72, 49, 29, .12);
}

@supports (color: oklch(0.5 0.1 30)) {
  :root {
    --canvas: oklch(0.955 0.019 78);
    --paper: oklch(0.988 0.009 78);
    --paper-deep: oklch(0.91 0.028 76);
    --paper-sunken: oklch(0.925 0.025 76);
    --ink: oklch(0.245 0.018 57);
    --ink-soft: oklch(0.36 0.022 57);
    --muted: oklch(0.46 0.023 60);
    --faint: oklch(0.53 0.021 65);
    --line: oklch(0.84 0.026 70);
    --accent: oklch(0.575 0.158 39);
    --accent-dark: oklch(0.42 0.13 38);
    --accent-soft: oklch(0.86 0.075 51);
    --success: oklch(0.475 0.095 145);
    --success-soft: oklch(0.9 0.045 145);
    --warning: oklch(0.59 0.12 72);
    --danger: oklch(0.49 0.13 27);
    --danger-soft: oklch(0.88 0.055 35);
    --dark: oklch(0.225 0.022 57);
  }
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--dark);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background: var(--dark);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  touch-action: manipulation;
}

body.registration-pending {
  overflow: hidden;
}

button, input, textarea { font: inherit; }

button {
  border: 0;
  cursor: pointer;
  touch-action: manipulation;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in oklch, var(--accent) 48%, white);
  outline-offset: 3px;
}

[hidden] { display: none !important; }

.app-shell {
  position: relative;
  width: min(100%, 500px);
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  overflow-x: clip;
  background: var(--canvas);
  box-shadow: 0 0 0 1px rgba(255,255,255,.04), 0 30px 90px rgba(0,0,0,.34);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: calc(9px + env(safe-area-inset-top)) 18px 9px;
  background: var(--canvas);
  border-bottom: 1px solid color-mix(in oklch, var(--line) 78%, transparent);
}

.header-status {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 7px;
}

.visitor-chip {
  display: inline-flex;
  min-width: 0;
  min-height: 40px;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  border: 1px solid color-mix(in oklch, var(--line) 82%, transparent);
  border-radius: var(--r-pill);
  color: var(--ink-soft);
  background: var(--paper);
  box-shadow: var(--shadow-control);
}

.visitor-chip > span {
  display: grid;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: #fff8f2;
  background: var(--accent);
  font-family: var(--display);
  font-size: 12px;
  font-weight: 800;
}

.visitor-chip > strong {
  max-width: 64px;
  overflow: hidden;
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand {
  display: flex;
  min-height: 42px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 0;
  color: var(--ink);
  background: transparent;
  transition: transform 140ms cubic-bezier(.2,0,0,1);
}

.brand:active { transform: scale(.96); }

.brand-name {
  position: relative;
  font-family: var(--display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.05;
}

.brand-name::after {
  position: absolute;
  top: -1px;
  right: -9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.brand-sub {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .13em;
}

.connection-pill {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 7px;
  padding: 0 11px;
  border-radius: var(--r-pill);
  color: var(--success);
  background: var(--success-soft);
  font-size: 11px;
  font-weight: 800;
  transition: transform 140ms cubic-bezier(.2,0,0,1), background-color 140ms ease;
}

.connection-pill:active { transform: scale(.96); }
.connection-pill.is-checking { color: var(--warning); background: var(--paper-deep); }
.connection-pill.is-offline { color: var(--danger); background: var(--danger-soft); }

.connection-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px color-mix(in oklch, currentColor 14%, transparent);
}

.visitor-gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));
  overflow-y: auto;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 34px 34px,
    var(--dark);
  overscroll-behavior: contain;
}

.visitor-pass {
  position: relative;
  width: min(100%, 540px);
  padding: 22px;
  overflow: hidden;
  background: var(--canvas);
  border: 1px solid rgba(255,255,255,.2);
  box-shadow: 0 30px 90px rgba(0,0,0,.42);
}

.visitor-pass::before {
  position: absolute;
  inset: 9px;
  border: 1px solid var(--line);
  pointer-events: none;
  content: "";
}

.visitor-pass-mark,
.visitor-pass-copy,
.visitor-form,
.visitor-pass-foot {
  position: relative;
  z-index: 1;
}

.visitor-pass-mark {
  display: grid;
  min-height: 92px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  color: #fff8f2;
  background: var(--accent-dark);
}

.visitor-pass-mark > span,
.visitor-pass-mark > small {
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .12em;
  writing-mode: vertical-rl;
}

.visitor-pass-mark > strong {
  justify-self: center;
  font-family: var(--display);
  font-size: 34px;
  letter-spacing: .1em;
}

.visitor-pass-copy {
  padding: 27px 10px 19px;
}

.visitor-pass-kicker {
  display: block;
  margin-bottom: 9px;
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .1em;
}

.visitor-pass-copy h1 {
  margin-bottom: 13px;
  font-size: clamp(34px, 10vw, 48px);
  line-height: 1.04;
  letter-spacing: -.04em;
}

.visitor-pass-copy p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
}

.visitor-form {
  display: grid;
  gap: 13px;
  padding: 0 10px 22px;
}

.visitor-form > label:not(.visitor-consent) {
  display: grid;
  gap: 6px;
}

.visitor-form > label > span {
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 800;
}

.visitor-form > label > span b {
  color: var(--accent-dark);
  font-size: 9px;
}

.visitor-form > label > span small {
  color: var(--faint);
  font-weight: 600;
}

.visitor-form input[type="text"] {
  width: 100%;
  min-height: 50px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--ink);
  background: var(--paper);
  outline: none;
}

.visitor-form input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 15%, transparent);
}

.visitor-consent {
  display: grid;
  grid-template-columns: 22px minmax(0,1fr);
  align-items: start;
  gap: 9px;
  padding: 11px 12px;
  color: var(--muted);
  background: var(--paper-sunken);
  border-left: 3px solid var(--accent);
  cursor: pointer;
}

.visitor-consent input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--accent-dark);
}

.visitor-consent span {
  font-size: 11px !important;
  font-weight: 600 !important;
}

.visitor-enter {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  padding-inline: 17px;
}

.visitor-pass-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding: 13px 10px 2px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .06em;
}

.public-readonly-control {
  cursor: not-allowed !important;
  opacity: .58 !important;
}

.public-readonly-note {
  margin: 10px 0 0;
  padding: 10px 12px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  font-size: 11px;
  font-weight: 700;
}

.offline-banner {
  position: sticky;
  top: calc(62px + env(safe-area-inset-top));
  z-index: 25;
  padding: 12px 18px;
  color: #f6ece7;
  background: var(--danger);
  box-shadow: 0 8px 20px rgba(74, 23, 16, .2);
}

.offline-banner strong,
.offline-banner span { display: block; }
.offline-banner strong { font-size: 13px; }
.offline-banner span { margin-top: 2px; font-size: 11px; opacity: .84; }
.offline-banner button {
  min-height: 40px;
  margin-top: 9px;
  padding: 0 13px;
  border-radius: var(--r-sm);
  color: var(--danger);
  background: #fff6f2;
  font-size: 12px;
  font-weight: 800;
  transition: transform 140ms cubic-bezier(.2,0,0,1);
}
.offline-banner button:active { transform: scale(.96); }

.screen { display: none; }
.screen.is-active { display: block; animation: screen-in 280ms cubic-bezier(.16,1,.3,1) both; }
@keyframes screen-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
main:focus { outline: none; }

.screen-body { padding: 22px 18px calc(112px + env(safe-area-inset-bottom)); }

.page-kicker {
  margin-bottom: 6px;
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
}

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; }
.screen h1[tabindex="-1"]:focus { outline: none; }
.screen h1[tabindex="-1"]:focus-visible {
  outline: 3px solid color-mix(in oklch, var(--accent) 45%, white);
  outline-offset: 6px;
}

.home-heading {
  display: grid;
  grid-template-columns: minmax(0,1fr) 44px;
  align-items: start;
  gap: 14px;
}

.home-heading h1,
.form-page > h1,
.intake-lead > h1 {
  margin-bottom: 8px;
  font-size: clamp(30px, 8vw, 38px);
  line-height: 1.08;
  letter-spacing: -.028em;
}

.home-heading p,
.page-intro {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  text-wrap: pretty;
}

.demo-tour {
  margin-top: 18px;
  background: var(--paper);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-paper);
  overflow: hidden;
}

.demo-tour-intro {
  padding: 15px 16px 13px;
  border-bottom: 1px solid var(--line);
}

.demo-tour-intro > span,
.demo-tour-step > span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 8px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: .1em;
}

.demo-tour-intro > strong { display: block; margin-top: 3px; font-family: var(--display); font-size: 18px; }
.demo-tour-intro > small { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-top: 4px; color: var(--muted); font-size: 9px; }
.demo-tour-status { padding: 3px 7px; border-radius: var(--r-pill); color: var(--success); background: var(--success-soft); font-style: normal; font-weight: 800; }
.demo-tour-status.is-local { color: var(--warning); background: var(--paper-deep); }

.demo-tour-actions { display: grid; }
.demo-tour-step {
  display: grid;
  min-height: 62px;
  grid-template-columns: 28px minmax(0, 1fr);
  align-content: center;
  align-items: baseline;
  gap: 0 9px;
  padding: 10px 16px;
  color: var(--ink);
  background: transparent;
  border-bottom: 1px solid var(--line);
  text-align: left;
  transition: transform 140ms cubic-bezier(.2,0,0,1), background-color 140ms ease;
}
.demo-tour-step:last-child { border-bottom: 0; }
.demo-tour-step > strong { font-family: var(--display); font-size: 15px; }
.demo-tour-step > small { grid-column: 2; color: var(--muted); font-size: 9px; line-height: 1.45; }
.demo-tour-step:active { transform: scale(.98); }
.demo-tour-step:disabled { cursor: not-allowed; opacity: .45; }

.icon-button,
.back-button {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: var(--r-sm);
  color: var(--ink);
  background: var(--paper-deep);
  box-shadow: var(--shadow-control);
  font-size: 21px;
  transition: transform 140ms cubic-bezier(.2,0,0,1), background-color 140ms ease;
}

.icon-button:active,
.back-button:active { transform: scale(.96); }

.money-strip {
  position: relative;
  margin: 22px -18px 4px;
  padding: 20px 18px 19px;
  color: rgba(255,255,255,.9);
  background: var(--dark);
  overflow: hidden;
}

.money-strip::after {
  position: absolute;
  right: -38px;
  bottom: -62px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 50%;
  box-shadow: 0 0 0 22px rgba(255,255,255,.018), 0 0 0 44px rgba(255,255,255,.012);
  content: "";
  pointer-events: none;
}

.money-primary { position: relative; z-index: 1; }
.money-primary span,
.money-pair span { display: block; color: rgba(255,255,255,.48); font-size: 10px; font-weight: 700; }
.money-primary strong {
  display: block;
  margin-top: 1px;
  font-family: var(--display);
  font-size: 33px;
  letter-spacing: -.025em;
  font-variant-numeric: tabular-nums;
}

.money-pair {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 17px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.12);
}

.money-pair strong {
  display: block;
  margin-top: 2px;
  font-family: var(--mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 27px 0 9px;
}

.section-heading > div { display: flex; align-items: baseline; gap: 8px; }
.section-heading > div > span { color: var(--accent); font-family: var(--mono); font-size: 10px; font-weight: 800; }
.section-heading h2 { margin: 0; font-size: 18px; letter-spacing: -.012em; }
.count-badge {
  display: grid;
  min-width: 28px;
  height: 28px;
  place-items: center;
  border-radius: var(--r-pill);
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-family: var(--mono);
  font-size: 11px;
}

.approval-list { border-top: 1px solid var(--line); }

.approval-row,
.case-row {
  display: grid;
  width: 100%;
  min-height: 68px;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px 2px;
  color: var(--ink);
  background: transparent;
  border-bottom: 1px solid var(--line);
  text-align: left;
  transition: transform 140ms cubic-bezier(.2,0,0,1), background-color 140ms ease;
}

.approval-row:active,
.case-row:active { transform: scale(.98); }

.approval-copy,
.case-copy { min-width: 0; }
.approval-copy strong,
.case-copy strong { display: block; margin-bottom: 2px; font-size: 14px; line-height: 1.4; }
.approval-copy span,
.case-copy span { display: block; overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.approval-action { color: var(--accent); font-size: 12px; font-weight: 800; }

.empty-state {
  padding: 20px 2px 17px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.empty-state strong { display: block; margin-bottom: 3px; color: var(--success); font-size: 13px; }

.capture-entry {
  margin: 24px 0 3px;
  padding: 20px 18px 18px;
  background: var(--paper);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-paper);
}

.capture-entry h2 { margin: 3px 0 5px; font-size: 23px; letter-spacing: -.015em; }
.capture-entry p { margin-bottom: 16px; color: var(--muted); font-size: 12px; }
.entry-label { color: var(--accent); font-family: var(--mono); font-size: 9px; font-weight: 800; letter-spacing: .1em; }

.primary-button,
.secondary-button,
.danger-button {
  min-height: 48px;
  padding: 0 16px;
  border-radius: var(--r-md);
  font-weight: 800;
  transition: transform 140ms cubic-bezier(.2,0,0,1), opacity 140ms ease, background-color 140ms ease;
}
.primary-button { color: #fff8f2; background: var(--accent); box-shadow: 0 5px 16px rgba(153,47,13,.18); }
.secondary-button { color: var(--ink); background: var(--paper); box-shadow: var(--shadow-control); }
.danger-button { color: var(--danger); background: var(--danger-soft); }
.primary-button:active,
.secondary-button:active,
.danger-button:active { transform: scale(.96); }
.primary-button:disabled,
.secondary-button:disabled,
.danger-button:disabled { cursor: not-allowed; opacity: .48; }
.full-button { width: 100%; min-height: 52px; }

.ledger-heading { margin-top: 28px; }
.sync-time { color: var(--faint); font-family: var(--mono); font-size: 9px; }
.database-proof {
  display: grid;
  grid-template-columns: 34px minmax(0,1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.database-proof-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: var(--r-sm);
  color: rgba(255,255,255,.9);
  background: var(--dark);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .04em;
}
.database-proof strong,
.database-proof > div > span { display: block; }
.database-proof strong { font-size: 12px; }
.database-proof > div > span { margin-top: 2px; color: var(--muted); font-size: 10px; line-height: 1.45; }
.database-proof-state {
  padding: 5px 8px;
  border-radius: var(--r-pill);
  color: var(--success);
  background: var(--success-soft);
  font-size: 9px;
  font-weight: 800;
  white-space: nowrap;
}
.database-proof.is-offline .database-proof-mark { background: var(--danger); }
.database-proof.is-offline .database-proof-state { color: var(--danger); background: var(--danger-soft); }
.case-list { border-top: 0; }

.case-stage {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 8px;
  border-radius: var(--r-pill);
  color: var(--muted);
  background: var(--paper-deep);
  font-size: 10px;
  font-weight: 800;
  white-space: nowrap;
}
.case-stage.is-approval { color: var(--accent-dark); background: var(--accent-soft); }
.case-stage.is-paid { color: var(--success); background: var(--success-soft); }

.demo-tools { margin-top: 26px; padding-top: 13px; border-top: 1px solid var(--line); }
.demo-tools summary { min-height: 40px; color: var(--muted); font-size: 11px; font-weight: 800; cursor: pointer; }
.demo-tools p { color: var(--muted); font-size: 11px; }
.demo-tools code { font-family: var(--mono); }

.back-button { margin-bottom: 19px; }
.page-intro { margin-bottom: 12px; }

.model-data-notice {
  display: grid;
  gap: 4px;
  margin-bottom: 21px;
  padding: 12px 13px;
  color: #5f2b18;
  background: #f6d8c6;
  border: 1px solid #dfad91;
  border-radius: var(--r-md);
  font-size: 11px;
  line-height: 1.55;
}

.model-data-notice strong {
  font-size: 10px;
  letter-spacing: .06em;
}

.field {
  display: grid;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
}
.field > span { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.field b { color: var(--accent); font-size: 9px; letter-spacing: .06em; }
.field small { color: var(--faint); font-family: var(--mono); font-size: 9px; text-align: right; }

input,
textarea {
  width: 100%;
  min-height: 46px;
  border: 0;
  border-radius: var(--r-sm);
  color: var(--ink);
  background: var(--paper-sunken);
  box-shadow: inset 0 1px 3px rgba(72,49,29,.12);
  font-weight: 500;
  transition: box-shadow 140ms ease, background-color 140ms ease;
}
input { padding: 0 12px; }
textarea { padding: 11px 12px; line-height: 1.6; resize: vertical; }
input:focus,
textarea:focus { background: var(--paper); box-shadow: inset 0 1px 3px rgba(72,49,29,.1), 0 0 0 3px color-mix(in oklch, var(--accent) 22%, transparent); }
input::placeholder,
textarea::placeholder { color: var(--faint); font-weight: 400; }

.field-large { margin-bottom: 21px; }
.extraction-sheet {
  margin: 0 -3px 19px;
  padding: 19px 16px 17px;
  background: var(--paper);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-paper);
}

.sheet-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 13px;
  margin-bottom: 17px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}
.sheet-heading span { color: var(--muted); font-family: var(--mono); font-size: 8px; font-weight: 800; letter-spacing: .1em; }
.sheet-heading h2 { margin: 2px 0 0; font-size: 20px; }
.truth-chip { display: inline-flex; min-height: 27px; align-items: center; padding: 0 9px; border-radius: var(--r-pill); color: var(--ink-soft) !important; background: var(--paper-deep); white-space: nowrap; }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px 12px; }
.field-wide { grid-column: 1 / -1; }

.evidence-panel {
  margin-bottom: 18px;
  padding: 15px 15px 14px;
  color: var(--ink-soft);
  background: var(--paper-deep);
  border-radius: var(--r-md);
}
.evidence-panel > div { display: flex; align-items: center; gap: 9px; }
.evidence-panel h2 { margin: 0; font-size: 16px; }
.evidence-panel p { margin: 8px 0 0; color: var(--muted); font-size: 11px; }
.evidence-mark { display: grid; width: 26px; height: 26px; place-items: center; border-radius: 50%; color: #fff; background: var(--ink-soft); font-family: var(--display); font-size: 12px; }
.form-error { padding: 10px 12px; color: var(--danger); background: var(--danger-soft); border-radius: var(--r-sm); font-size: 12px; }

.agent-result {
  margin-top: 24px;
  padding: 19px 16px 17px;
  scroll-margin-top: calc(108px + env(safe-area-inset-top));
  background: var(--paper);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-paper);
  animation: screen-in 320ms cubic-bezier(.16,1,.3,1) both;
}

.agent-result > .full-button { margin-top: 17px; }

.agent-answer {
  margin-bottom: 19px;
  padding: 15px;
  color: rgba(255,255,255,.9);
  background: var(--dark);
  border-radius: var(--r-md);
}
.agent-answer span { color: rgba(255,255,255,.48); font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.agent-answer p { margin: 6px 0 0; font-size: 12px; line-height: 1.72; white-space: pre-wrap; }
.tool-trace-block { margin-bottom: 22px; }
.tool-trace-title { margin-bottom: 0; }
.tool-trace-title h2 { display: flex; align-items: center; gap: 8px; }
.tool-trace-title h2::before { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); content: ""; }
.tool-trace-disclosure { margin: 7px 0 11px; color: var(--muted); font-size: 10px; line-height: 1.55; }
.tool-trace-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.tool-trace-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  gap: 9px 10px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}
.tool-trace-index { display: grid; width: 25px; height: 25px; place-items: center; border-radius: 50%; color: var(--paper); background: var(--ink-soft); font-family: var(--mono); font-size: 8px; font-weight: 800; }
.tool-trace-copy { min-width: 0; }
.tool-trace-copy strong { display: block; font-size: 12px; line-height: 1.35; }
.tool-trace-copy span { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; line-height: 1.5; overflow-wrap: anywhere; }
.tool-trace-receipt { display: grid; justify-items: end; gap: 4px; }
.tool-trace-status { display: inline-flex; min-height: 23px; align-items: center; padding: 0 8px; border-radius: var(--r-pill); font-size: 9px; font-weight: 800; white-space: nowrap; }
.tool-trace-status.is-success { color: var(--success); background: var(--success-soft); }
.tool-trace-status.is-failed { color: var(--danger); background: var(--danger-soft); }
.tool-trace-status.is-skipped,
.tool-trace-status.is-unknown { color: var(--muted); background: var(--paper-deep); }
.tool-trace-duration { color: var(--faint); font-family: var(--mono); font-size: 8px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tool-trace-empty { display: grid; gap: 3px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.tool-trace-empty strong { font-size: 12px; }
.tool-trace-empty span { color: var(--muted); font-size: 10px; }
.result-evidence-title { margin-top: 22px; }
.knowledge-list { border-top: 1px solid var(--line); }
.knowledge-row { padding: 12px 0; border-bottom: 1px solid var(--line); }
.knowledge-row strong { display: block; font-size: 12px; }
.knowledge-row p { margin: 3px 0 0; color: var(--muted); font-size: 10px; white-space: pre-wrap; }
.knowledge-meta { display: block; margin-top: 4px; color: var(--faint); font-family: var(--mono); font-size: 8px; }
.next-action-result { margin: 19px 0 15px; padding: 14px; color: var(--accent-dark); background: var(--accent-soft); border-radius: var(--r-md); }
.next-action-result span { display: block; font-size: 9px; font-weight: 900; letter-spacing: .1em; }
.next-action-result strong { display: block; margin-top: 3px; font-family: var(--display); font-size: 18px; }

.result-evidence-details {
  margin-top: 15px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.result-evidence-details > summary {
  position: relative;
  display: grid;
  min-height: 54px;
  align-content: center;
  padding: 8px 38px 8px 2px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.result-evidence-details > summary::-webkit-details-marker { display: none; }
.result-evidence-details > summary::after {
  position: absolute;
  top: 50%;
  right: 3px;
  color: var(--accent);
  font-family: var(--body);
  font-size: 21px;
  content: "+";
  transform: translateY(-50%);
}
.result-evidence-details[open] > summary::after { content: "−"; }
.result-evidence-details > summary strong { font-size: 12px; }
.result-evidence-details > summary span { margin-top: 2px; color: var(--muted); font-size: 9px; }
.result-evidence-details > .agent-answer { margin-top: 8px; }
.result-evidence-details .tool-trace-block { margin-bottom: 0; }
.result-evidence-details .knowledge-list { margin-bottom: 5px; }

.chat-page { min-height: calc(100dvh - 62px); }
.chat-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
}
.chat-heading h1 {
  margin-bottom: 8px;
  font-size: clamp(30px, 8vw, 38px);
  line-height: 1.08;
  letter-spacing: -.028em;
}
.chat-model-chip { margin-top: 3px; color: var(--muted) !important; }
.chat-model-chip.is-live { color: var(--success) !important; background: var(--success-soft); }
.chat-model-chip.is-offline { color: var(--warning) !important; background: var(--paper-deep); }
.chat-model-chip.is-checking { opacity: .72; }
.chat-data-notice { margin-top: 18px; }

.chat-thread {
  position: relative;
  display: grid;
  gap: 14px;
  min-height: 186px;
  margin: 20px 0 16px;
  padding: 19px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.chat-thread::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 12px;
  width: 1px;
  background: color-mix(in oklch, var(--accent) 25%, transparent);
  content: "";
  pointer-events: none;
}
.chat-empty {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  min-height: 146px;
  margin-left: 28px;
  padding: 17px;
  background: color-mix(in oklch, var(--paper) 76%, transparent);
  border-radius: var(--r-md);
}
.chat-empty > span { color: var(--accent); font-family: var(--mono); font-size: 8px; font-weight: 800; letter-spacing: .1em; }
.chat-empty strong { margin-top: 5px; font-family: var(--display); font-size: 20px; }
.chat-empty p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }

.chat-message {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(92%, 420px);
  gap: 8px;
  padding: 14px 15px;
  border-radius: var(--r-md);
  animation: screen-in 260ms cubic-bezier(.16,1,.3,1) both;
}
.chat-message.is-user {
  justify-self: end;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-bottom-right-radius: 3px;
  box-shadow: 0 4px 14px rgba(141,51,23,.1);
}
.chat-message.is-assistant {
  justify-self: start;
  width: 100%;
  color: rgba(255,255,255,.92);
  background: var(--dark);
  border-bottom-left-radius: 3px;
  box-shadow: 0 12px 30px rgba(43,31,24,.2);
}
.chat-message-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.chat-message-heading strong { font-family: var(--mono); font-size: 8px; font-weight: 800; letter-spacing: .08em; }
.chat-message-heading span { font-family: var(--mono); font-size: 8px; font-variant-numeric: tabular-nums; opacity: .58; }
.chat-message-copy { margin: 0; font-size: 12px; line-height: 1.72; white-space: pre-wrap; overflow-wrap: anywhere; }
.chat-message.is-assistant .chat-message-heading { color: rgba(255,255,255,.58); }
.chat-evidence { display: grid; gap: 6px; padding-top: 10px; border-top: 1px solid rgba(255,255,255,.13); }
.chat-evidence > span { color: rgba(255,255,255,.48); font-size: 8px; font-weight: 800; letter-spacing: .08em; }
.chat-evidence-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chat-evidence-chips span { padding: 4px 7px; border-radius: var(--r-pill); color: rgba(255,255,255,.72); background: rgba(255,255,255,.09); font-family: var(--mono); font-size: 8px; }
.chat-guardrail { padding-top: 8px; border-top: 1px solid rgba(255,255,255,.13); color: #f0bd99; font-size: 9px; font-weight: 700; }
.chat-sample-row { display: grid; gap: 7px; margin-bottom: 16px; }
.chat-sample-row .secondary-button { width: 100%; min-height: 46px; }
.chat-sample-row > span { color: var(--muted); font-size: 10px; text-align: center; }
.chat-composer {
  padding: 16px;
  background: var(--paper);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-paper);
}
.chat-composer .field { margin-bottom: 12px; }
.chat-composer .form-error { margin: 0 0 12px; }

.case-heading { margin-bottom: 18px; }
.case-heading-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.case-heading h1 { margin: 8px 0 3px; font-size: 31px; line-height: 1.08; letter-spacing: -.024em; overflow-wrap: anywhere; }
.case-heading p { margin: 0; color: var(--muted); font-size: 12px; }
.case-placeholder { padding: 24px 0; }
.case-placeholder h1 { margin-bottom: 8px; font-size: 31px; }
.case-placeholder p { color: var(--muted); font-size: 12px; }

.stage-rail {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 3px;
  margin: 0 -4px 22px;
}
.stage-node { position: relative; display: grid; justify-items: center; gap: 5px; min-width: 0; color: var(--faint); font-size: 8px; text-align: center; }
.stage-node::before { position: absolute; top: 6px; right: 50%; left: -50%; height: 1px; background: var(--line); content: ""; }
.stage-node:first-child::before { display: none; }
.stage-dot { position: relative; z-index: 1; width: 13px; height: 13px; border: 3px solid var(--canvas); border-radius: 50%; background: var(--line); box-shadow: 0 0 0 1px var(--line); }
.stage-node.is-done { color: var(--success); }
.stage-node.is-done .stage-dot { background: var(--success); box-shadow: 0 0 0 1px var(--success); }
.stage-node.is-current { color: var(--accent-dark); font-weight: 800; }
.stage-node.is-current .stage-dot { background: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 0 0 4px color-mix(in oklch, var(--accent) 16%, transparent); }
.stage-state {
  min-height: 10px;
  color: currentColor;
  font-family: var(--mono);
  font-size: 7px;
  font-weight: 900;
  line-height: 1;
}
.stage-api-state {
  min-height: 13px;
  padding: 2px 5px;
  border-radius: var(--r-pill);
  color: color-mix(in oklch, var(--faint) 82%, transparent);
  background: color-mix(in oklch, var(--paper) 70%, transparent);
  font-family: var(--mono);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .06em;
  line-height: 1.25;
  white-space: nowrap;
}
.stage-node.is-current .stage-api-state { color: var(--accent-dark); background: var(--accent-soft); }
.stage-node.is-current .stage-api-state.is-ready { color: var(--success); background: var(--success-soft); }

.fact-ledger { border-top: 1px solid var(--line); }
.fact-row { display: grid; grid-template-columns: 90px minmax(0,1fr); gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.fact-row > span { color: var(--muted); font-size: 11px; }
.fact-row > strong { min-width: 0; font-size: 13px; font-weight: 700; overflow-wrap: anywhere; }
.fact-row.is-source > strong { color: var(--muted); font-weight: 500; white-space: pre-wrap; }

.detail-section { margin-top: 25px; }
.detail-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.detail-title h2 { margin: 0; font-size: 19px; }
.detail-title span { color: var(--muted); font-size: 10px; }

.business-sheet {
  padding: 17px 15px;
  background: var(--paper);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-paper);
}
.business-sheet + .business-sheet { margin-top: 10px; }
.business-sheet-head { display: flex; align-items: start; justify-content: space-between; gap: 12px; margin-bottom: 11px; }
.business-sheet-head strong { min-width: 0; font-family: var(--display); font-size: 17px; overflow-wrap: anywhere; }
.business-sheet p { margin: 0; color: var(--ink-soft); font-size: 12px; white-space: pre-wrap; }
.amount-line { display: block; margin: 7px 0; color: var(--ink); font-family: var(--display); font-size: 26px; font-variant-numeric: tabular-nums; }

.audit-list { border-top: 1px solid var(--line); }
.audit-row { display: grid; grid-template-columns: 62px minmax(0,1fr); gap: 11px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.audit-time { color: var(--faint); font-family: var(--mono); font-size: 9px; }
.audit-copy strong { display: block; font-size: 12px; }
.audit-copy span { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; overflow-wrap: anywhere; }

.action-workspace {
  margin: 27px -18px -10px;
  padding: 22px 18px 23px;
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
}
.action-index { color: var(--accent); font-family: var(--mono); font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.action-workspace h2 { margin: 3px 0 4px; font-size: 24px; letter-spacing: -.018em; }
.action-workspace > p { margin-bottom: 16px; color: var(--muted); font-size: 11px; }
.stage-ai-panel {
  margin: 0 0 18px;
  padding: 15px;
  border-radius: var(--r-lg);
  color: rgba(255,255,255,.86);
  background: var(--ink);
  box-shadow: 0 12px 28px rgba(43,31,24,.18);
}
.stage-ai-intro { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.stage-ai-copy { min-width: 0; }
.stage-ai-copy > strong { display: block; margin-top: 3px; font-family: var(--display); font-size: 18px; letter-spacing: -.012em; }
.stage-ai-copy > p { margin: 4px 0 0; color: rgba(255,255,255,.55); font-size: 10px; line-height: 1.55; text-wrap: pretty; }
.stage-ai-eyebrow { color: #f0a374; font-family: var(--mono); font-size: 8px; font-weight: 900; letter-spacing: .12em; }
.stage-ai-button {
  min-width: 126px;
  min-height: 42px;
  padding: 10px 13px;
  border: 0;
  border-radius: var(--r-sm);
  color: #241812;
  background: #f0a374;
  box-shadow: 0 5px 14px rgba(0,0,0,.2);
  font: inherit;
  font-size: 11px;
  font-weight: 900;
  cursor: pointer;
  transition: transform 140ms cubic-bezier(.16,1,.3,1), opacity 140ms ease;
}
.stage-ai-button:active { transform: scale(.96); }
.stage-ai-button:disabled { cursor: wait; opacity: .58; }
.stage-ai-output { margin-top: 14px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.12); }
.stage-ai-result-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.stage-ai-result-heading > strong { font-size: 12px; }
.stage-ai-answer { margin: 10px 0; color: rgba(255,255,255,.72); font-size: 11px; line-height: 1.65; white-space: pre-wrap; }
.stage-ai-suggestions { display: grid; gap: 1px; overflow: hidden; border-radius: var(--r-sm); background: rgba(255,255,255,.06); }
.stage-ai-suggestion { display: grid; gap: 8px; grid-template-columns: minmax(86px, .32fr) minmax(0, 1fr); padding: 9px 10px; background: rgba(255,255,255,.025); }
.stage-ai-suggestion span { color: #f0a374; font-family: var(--mono); font-size: 8px; font-weight: 800; }
.stage-ai-suggestion strong { min-width: 0; color: rgba(255,255,255,.84); font-size: 10px; line-height: 1.55; overflow-wrap: anywhere; }
.stage-ai-output .action-note { margin-top: 10px; color: #f4c19f; background: rgba(240,163,116,.1); }
.action-form { display: grid; gap: 14px; }
.action-form .primary-button { margin-top: 2px; }
.action-note { padding: 11px 12px; border-radius: var(--r-sm); color: var(--accent-dark); background: var(--accent-soft); font-size: 11px; }
.action-note strong { display: block; margin-bottom: 2px; }

.inline-actions { display: grid; gap: 10px; grid-template-columns: 1fr; }
.complete-state { padding: 18px 16px; border-radius: var(--r-md); color: var(--success); background: var(--success-soft); }
.complete-state strong { display: block; font-family: var(--display); font-size: 20px; }
.complete-state span { display: block; margin-top: 3px; color: color-mix(in oklch, var(--success) 80%, var(--ink)); font-size: 11px; }

.bottom-nav {
  position: fixed;
  right: max(0px, calc((100vw - 500px) / 2));
  bottom: 0;
  left: max(0px, calc((100vw - 500px) / 2));
  z-index: 35;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: calc(70px + env(safe-area-inset-bottom));
  padding: 7px 24px calc(7px + env(safe-area-inset-bottom));
  background: var(--paper);
  border-top: 1px solid var(--line);
  box-shadow: 0 -8px 28px rgba(72,49,29,.1);
}

.nav-button {
  display: grid;
  min-height: 54px;
  place-items: center;
  align-content: center;
  gap: 0;
  color: var(--muted);
  background: transparent;
  transition: transform 140ms cubic-bezier(.2,0,0,1), color 140ms ease;
}
.nav-button:active { transform: scale(.96); }
.nav-button span { font-family: var(--display); font-size: 17px; line-height: 1.15; }
.nav-button strong { font-size: 9px; }
.nav-button.is-active { color: var(--accent-dark); }
.nav-add span { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 50%; color: #fff; background: var(--accent); font-family: var(--body); font-size: 20px; line-height: 1; }

.toast {
  position: fixed;
  right: max(18px, calc((100vw - 464px) / 2));
  bottom: calc(83px + env(safe-area-inset-bottom));
  left: max(18px, calc((100vw - 464px) / 2));
  z-index: 60;
  padding: 12px 14px;
  border-radius: var(--r-md);
  color: rgba(255,255,255,.9);
  background: var(--dark);
  box-shadow: 0 12px 34px rgba(0,0,0,.28);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: transform 180ms cubic-bezier(.16,1,.3,1), opacity 180ms ease;
}
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast.is-error { background: var(--danger); }

.busy-layer {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(43,31,24,.32);
  overscroll-behavior: contain;
}
.busy-layer:focus { outline: none; }
.busy-card { display: flex; min-height: 52px; align-items: center; gap: 10px; padding: 0 17px; border-radius: var(--r-md); color: var(--ink); background: var(--paper); box-shadow: 0 16px 50px rgba(35,23,17,.28); font-size: 12px; }
.busy-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); animation: pulse 800ms ease-in-out infinite alternate; }
@keyframes pulse { to { opacity: .3; transform: scale(.7); } }

@media (max-width: 380px) {
  .screen-body { padding-right: 15px; padding-left: 15px; }
  .money-strip { margin-right: -15px; margin-left: -15px; padding-right: 15px; padding-left: 15px; }
  .home-heading h1, .form-page > h1, .intake-lead > h1 { font-size: 29px; }
  .field-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .action-workspace { margin-right: -15px; margin-left: -15px; padding-right: 15px; padding-left: 15px; }
  .stage-ai-intro { align-items: stretch; flex-direction: column; }
  .stage-ai-button { width: 100%; }
  .stage-ai-suggestion { grid-template-columns: 1fr; }
  .stage-node span:last-child { font-size: 7px; }
  .tool-trace-item { grid-template-columns: 26px minmax(0,1fr); }
  .tool-trace-receipt { grid-column: 2; display: flex; align-items: center; justify-content: space-between; }
  .bottom-nav { padding-right: 10px; padding-left: 10px; }
  .chat-heading { grid-template-columns: 1fr; gap: 8px; }
  .chat-model-chip { justify-self: start; margin-top: 0; }
  .chat-message { width: 95%; }
  .chat-message.is-assistant { width: 100%; }
}

@media (hover: hover) {
  .approval-row:hover,
  .case-row:hover,
  .demo-tour-step:hover { background: color-mix(in oklch, var(--paper-deep) 54%, transparent); }
  .brand:hover,
  .nav-button:hover { color: var(--accent-dark); }
  .primary-button:hover { transform: translateY(-1px); background: var(--accent-dark); }
  .secondary-button:hover { transform: translateY(-1px); background: var(--paper-deep); }
  .danger-button:hover { transform: translateY(-1px); background: color-mix(in oklch, var(--danger-soft) 82%, white); }
  .connection-pill:hover { transform: translateY(-1px); }
  .icon-button:hover,
  .back-button:hover { background: var(--paper); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}
.demo-disclosure {
  position: sticky;
  top: calc(62px + env(safe-area-inset-top));
  z-index: 29;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 34px;
  padding: 6px 14px;
  color: #5f2b18;
  background: #f6d8c6;
  border-bottom: 1px solid #dfad91;
  font-size: 11px;
  line-height: 1.35;
  text-align: center;
}

.demo-disclosure strong {
  flex: 0 0 auto;
  letter-spacing: .05em;
}

.sample-inquiry-row {
  display: grid;
  gap: 7px;
  margin: 2px 0 16px;
}

.sample-inquiry-actions {
  display: grid;
  gap: 8px;
}

.sample-inquiry-row .secondary-button {
  width: 100%;
  min-height: 48px;
}

.sample-inquiry-row span {
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.sample-inquiry-more { color: var(--muted); }
.sample-inquiry-more > summary {
  display: grid;
  min-height: 40px;
  place-items: center;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  cursor: pointer;
}
.sample-inquiry-more[open] > summary { margin-bottom: 8px; }

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

.desktop-edition,
.desktop-process-map { display: none; }

@media (min-width: 960px) {
  body { background: var(--paper-deep); }

  .app-shell {
    --desktop-rail: 224px;
    width: 100%;
    max-width: none;
    min-height: 100dvh;
    margin: 0;
    padding-left: var(--desktop-rail);
    overflow-x: clip;
    background: var(--canvas);
    box-shadow: none;
  }

  .app-header {
    position: fixed;
    inset: 0 auto auto 0;
    z-index: 45;
    display: flex;
    width: var(--desktop-rail);
    min-height: 176px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 31px 25px 22px;
    color: rgba(255,255,255,.88);
    background: var(--dark);
    border-bottom: 1px solid rgba(255,255,255,.08);
  }

  .brand {
    min-height: 53px;
    color: rgba(255,255,255,.9);
  }

  .brand-name { font-size: 27px; }
  .brand-sub { margin-top: 4px; color: rgba(255,255,255,.44); }
  .brand:hover { color: rgba(255,255,255,.98); }

  .desktop-edition {
    display: block;
    margin-top: 12px;
    color: rgba(255,255,255,.36);
    font-family: var(--mono);
    font-size: 8px;
    font-weight: 800;
    letter-spacing: .11em;
  }

  .header-status {
    width: 100%;
    margin-top: 14px;
    gap: 6px;
  }

  .visitor-chip,
  .connection-pill {
    flex: 1 1 0;
    min-height: 36px;
    margin-top: 0;
    padding: 0 10px;
    font-size: 10px;
  }

  .visitor-chip {
    color: rgba(255,255,255,.78);
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.13);
    box-shadow: none;
  }

  .visitor-chip > strong { max-width: 54px; }

  .visitor-pass {
    width: min(92vw, 900px);
    padding: 30px;
  }

  .visitor-pass {
    display: grid;
    grid-template-columns: minmax(240px, .72fr) minmax(360px, 1.28fr);
  }

  .visitor-pass-mark {
    min-height: 100%;
    grid-row: 1 / span 3;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    padding: 24px;
  }

  .visitor-pass-mark > span,
  .visitor-pass-mark > small {
    writing-mode: initial;
  }

  .visitor-pass-mark > strong {
    align-self: center;
    font-size: clamp(45px, 5vw, 66px);
    line-height: 1.05;
    writing-mode: vertical-rl;
  }

  .visitor-pass-copy { padding: 17px 24px 18px 32px; }
  .visitor-pass-copy h1 { font-size: clamp(42px, 4.1vw, 58px); }
  .visitor-form { padding: 0 24px 18px 32px; }
  .visitor-pass-foot { margin-left: 32px; padding-right: 24px; }

  .bottom-nav {
    position: fixed;
    inset: 176px auto 0 0;
    z-index: 44;
    display: grid;
    width: var(--desktop-rail);
    min-height: 0;
    grid-template-columns: 1fr;
    grid-auto-rows: min-content;
    align-content: start;
    gap: 7px;
    padding: 27px 17px 112px;
    color: rgba(255,255,255,.82);
    background: var(--dark);
    border-top: 0;
    box-shadow: none;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .bottom-nav::before {
    margin: 0 12px 8px;
    color: rgba(255,255,255,.3);
    font-family: var(--mono);
    font-size: 8px;
    font-weight: 800;
    letter-spacing: .12em;
    content: "OPERATING INDEX · 经营目录";
  }

  .bottom-nav::after {
    position: absolute;
    right: 27px;
    bottom: 31px;
    left: 27px;
    padding-top: 15px;
    color: rgba(255,255,255,.28);
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: 9px;
    line-height: 1.65;
    content: "Spring Boot · H2 持久化\A 咨询 · 报价 · 合同 · 交付 · 回款\A 一套流程，一本账";
    white-space: pre-line;
  }

  .nav-button {
    position: relative;
    display: grid;
    min-height: 55px;
    grid-template-columns: 36px minmax(0,1fr);
    place-items: center stretch;
    align-items: center;
    gap: 11px;
    padding: 0 13px;
    border-radius: var(--r-md);
    color: rgba(255,255,255,.48);
    text-align: left;
  }

  .nav-button span {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: var(--r-sm);
    color: inherit;
    background: rgba(255,255,255,.04);
    font-family: var(--display);
    font-size: 15px;
  }

  .nav-button strong {
    color: inherit;
    font-size: 12px;
    letter-spacing: .04em;
  }

  .nav-button.is-active {
    color: rgba(255,255,255,.92);
    background: rgba(255,255,255,.075);
    box-shadow: 0 8px 22px rgba(0,0,0,.15);
  }

  .nav-button:hover {
    color: rgba(255,255,255,.82);
    background: rgba(255,255,255,.045);
  }

  .nav-button.is-active::after {
    position: absolute;
    right: 14px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(198,83,47,.16);
    content: "";
  }

  .nav-add span {
    width: 34px;
    height: 34px;
    color: rgba(255,255,255,.92);
    background: color-mix(in oklch, var(--accent) 82%, var(--dark));
    font-size: 18px;
  }

  .demo-disclosure {
    position: fixed;
    inset: 0 0 auto var(--desktop-rail);
    z-index: 42;
    min-height: 37px;
    justify-content: flex-start;
    padding: 6px clamp(30px, 4vw, 64px);
    text-align: left;
  }

  .offline-banner {
    position: fixed;
    inset: 0 0 auto var(--desktop-rail);
    z-index: 41;
    display: grid;
    min-height: 58px;
    grid-template-columns: auto minmax(0,1fr) auto;
    align-items: center;
    gap: 15px;
    padding: 9px clamp(30px, 4vw, 64px);
  }

  .offline-banner span { margin-top: 0; }
  .offline-banner button { min-height: 36px; margin-top: 0; }
  .demo-disclosure:not([hidden]) + .offline-banner { top: 37px; }
  .demo-disclosure:not([hidden]) + .offline-banner:not([hidden]) ~ main .screen-body { padding-top: 127px; }
  .demo-disclosure:not([hidden]) + .offline-banner:not([hidden]) ~ main .chat-rail,
  .demo-disclosure:not([hidden]) + .offline-banner:not([hidden]) ~ main #actionWorkspace { top: 107px; }

  main { min-width: 0; min-height: 100dvh; }

  .screen-body {
    width: min(100%, 1500px);
    margin: 0 auto;
    padding: 67px 30px 78px;
  }

  .page-kicker { font-size: 9px; }

  .home-heading {
    grid-template-columns: minmax(0,1fr) 48px;
    align-items: center;
    gap: 24px;
  }

  .home-heading h1,
  .intake-lead > h1,
  .chat-heading h1 {
    max-width: 850px;
    margin-bottom: 10px;
    font-size: clamp(43px, 4.2vw, 62px);
    line-height: 1.02;
    letter-spacing: -.03em;
  }

  .home-heading p,
  .page-intro { max-width: 720px; font-size: 14px; }

  .demo-tour {
    display: grid;
    grid-template-columns: minmax(210px, .72fr) minmax(0, 2.28fr);
    margin-top: 24px;
  }

  .demo-tour-intro {
    display: grid;
    align-content: center;
    padding: 18px 22px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .demo-tour-intro > strong { font-size: 20px; }
  .demo-tour-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .demo-tour-step {
    min-height: 86px;
    padding: 14px 18px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }
  .demo-tour-step:last-child { border-right: 0; }
  .demo-tour-step > strong { font-size: 16px; }

  .money-strip {
    display: grid;
    min-height: 160px;
    grid-template-columns: minmax(250px, .9fr) minmax(0, 1.25fr);
    align-items: center;
    gap: 36px;
    margin: 30px 0 0;
    padding: 28px 36px;
    border-radius: var(--r-lg);
    box-shadow: 0 18px 46px rgba(43,31,24,.2);
  }

  .money-strip::after {
    right: -18px;
    bottom: -110px;
    width: 260px;
    height: 260px;
  }

  .money-primary strong { margin-top: 4px; font-size: clamp(42px, 4vw, 58px); }

  .money-pair {
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 28px;
    margin: 0;
    padding: 4px 0 4px 36px;
    border-top: 0;
    border-left: 1px solid rgba(255,255,255,.12);
  }

  .money-pair strong { margin-top: 7px; font-size: clamp(18px, 2vw, 24px); }

  .priority-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.28fr) minmax(260px, .72fr);
    align-items: stretch;
    gap: 28px;
    margin-top: 35px;
    animation: desktop-rise 420ms 80ms cubic-bezier(.16,1,.3,1) both;
  }

  .approval-column { min-width: 0; }
  .approval-column .section-heading { margin-top: 0; }
  .approval-list { min-height: 170px; }

  .capture-entry {
    display: flex;
    min-height: 230px;
    flex-direction: column;
    justify-content: space-between;
    margin: 0;
    padding: 28px;
  }

  .capture-entry h2 { max-width: 300px; margin-top: 9px; font-size: 28px; }
  .capture-entry p { max-width: 340px; font-size: 12px; }
  .capture-entry .primary-button { width: 100%; }

  .ledger-section {
    margin-top: 45px;
    animation: desktop-rise 420ms 140ms cubic-bezier(.16,1,.3,1) both;
  }

  .ledger-heading { margin-top: 0; }

  .database-proof {
    grid-template-columns: 38px minmax(0,1fr) auto;
    gap: 13px;
    padding: 14px 8px;
  }

  .database-proof-mark { width: 36px; height: 36px; }
  .database-proof strong { font-size: 13px; }
  .database-proof > div > span { font-size: 10px; }

  .case-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0 30px;
  }

  .case-list .empty-state { grid-column: 1 / -1; }
  .case-row { min-height: 82px; padding: 17px 8px; }
  .case-copy strong { font-size: 15px; }
  .case-copy span { font-size: 11px; }

  .demo-tools { margin-top: 42px; }

  .form-page {
    display: grid;
    grid-template-columns: minmax(280px, .76fr) minmax(340px, 1.24fr);
    align-items: start;
    gap: 28px;
  }

  .form-page > .back-button {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .intake-lead { min-width: 0; }
  .intake-lead > h1 { font-size: clamp(39px, 3.8vw, 54px); }
  .intake-lead .model-data-notice { margin: 20px 0 25px; }

  .agent-result,
  .desktop-process-map {
    grid-column: 2;
    grid-row: 2;
    min-width: 0;
    align-self: start;
  }

  .agent-result {
    margin-top: 0;
    padding: 27px 25px 24px;
    scroll-margin-top: 54px;
  }

  .desktop-process-map {
    position: relative;
    display: block;
    min-height: 620px;
    padding: 36px 38px 32px;
    color: rgba(255,255,255,.86);
    background: var(--dark);
    border-radius: var(--r-lg);
    box-shadow: 0 22px 58px rgba(43,31,24,.23);
    overflow: hidden;
  }

  .desktop-process-map::after {
    position: absolute;
    right: -70px;
    bottom: -90px;
    width: 230px;
    height: 230px;
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 50%;
    box-shadow: 0 0 0 25px rgba(255,255,255,.018), 0 0 0 50px rgba(255,255,255,.012);
    content: "";
    pointer-events: none;
  }

  .desktop-process-map > span {
    color: rgba(255,255,255,.38);
    font-family: var(--mono);
    font-size: 8px;
    font-weight: 800;
    letter-spacing: .12em;
  }

  .desktop-process-map h2 {
    max-width: 560px;
    margin: 10px 0 28px;
    font-size: clamp(29px, 3vw, 42px);
    line-height: 1.08;
    letter-spacing: -.022em;
  }

  .desktop-process-map ol { margin: 0; padding: 0; list-style: none; }

  .desktop-process-map li {
    display: grid;
    grid-template-columns: 34px minmax(0,1fr);
    gap: 14px;
    padding: 13px 0;
    border-bottom: 1px solid rgba(255,255,255,.09);
  }

  .desktop-process-map li > b {
    color: var(--accent-soft);
    font-family: var(--mono);
    font-size: 9px;
  }

  .desktop-process-map li strong,
  .desktop-process-map li span { display: block; }
  .desktop-process-map li strong { font-size: 13px; }
  .desktop-process-map li span { margin-top: 2px; color: rgba(255,255,255,.44); font-size: 10px; }

  .desktop-process-map > div:last-child {
    position: relative;
    z-index: 1;
    margin-top: 26px;
    padding: 16px 17px;
    color: var(--accent-dark);
    background: var(--accent-soft);
    border-radius: var(--r-md);
  }

  .desktop-process-map > div:last-child strong { font-family: var(--display); font-size: 17px; }
  .desktop-process-map > div:last-child p { margin: 4px 0 0; font-size: 10px; }
  #agentResult:not([hidden]) + .desktop-process-map { display: none; }

  .chat-page {
    display: grid;
    min-height: 100dvh;
    grid-template-columns: minmax(0,1fr) minmax(280px, 340px);
    align-items: start;
    gap: 28px;
  }

  .chat-page > .back-button { grid-column: 1 / -1; margin-bottom: 0; }
  .chat-main { min-width: 0; }
  .chat-heading h1 { font-size: clamp(39px, 3.8vw, 54px); }
  .chat-thread { min-height: 430px; margin-bottom: 0; }
  .chat-message { width: min(86%, 560px); }
  .chat-message.is-assistant { width: min(96%, 760px); }

  .chat-rail {
    position: sticky;
    top: 61px;
    min-width: 0;
    padding: 22px;
    background: var(--paper-deep);
    border-radius: var(--r-lg);
    box-shadow: 0 14px 34px rgba(72,49,29,.12);
  }

  .chat-sample-row { margin-bottom: 13px; }
  .chat-composer { padding: 18px; box-shadow: 0 8px 22px rgba(72,49,29,.1); }

  .case-body {
    display: grid;
    grid-template-columns: minmax(0,1fr) minmax(290px, 340px);
    align-items: start;
    gap: 28px;
  }

  .case-body > .back-button { grid-column: 1 / -1; margin-bottom: 0; }
  #caseContent { min-width: 0; }

  #actionWorkspace {
    position: sticky;
    top: 61px;
    min-width: 0;
    align-self: start;
  }

  #actionWorkspace .action-workspace {
    max-height: calc(100dvh - 86px);
    margin: 0;
    padding: 25px 23px;
    border-top: 0;
    border-radius: var(--r-lg);
    box-shadow: 0 16px 40px rgba(72,49,29,.13);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
  }

  .case-heading h1 { font-size: clamp(38px, 3.5vw, 52px); }
  .stage-rail { margin-top: 27px; margin-bottom: 31px; }
  .fact-row { grid-template-columns: 130px minmax(0,1fr); padding: 14px 0; }
  .business-sheet { padding: 21px 20px; }

  .toast {
    right: 32px;
    bottom: 28px;
    left: auto;
    width: min(440px, calc(100vw - var(--desktop-rail) - 64px));
  }

  @keyframes desktop-rise {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media (min-width: 960px) and (max-height: 620px) {
  .bottom-nav { padding-bottom: 27px; }
  .bottom-nav::after {
    position: static;
    margin: 16px 10px 0;
  }
}

@media (min-width: 1280px) {
  .app-shell { --desktop-rail: 248px; }
  .screen-body { padding-right: clamp(42px, 4vw, 72px); padding-left: clamp(42px, 4vw, 72px); }
  .priority-grid,
  .form-page,
  .chat-page,
  .case-body { gap: 42px; }
  .form-page { grid-template-columns: minmax(360px, .72fr) minmax(480px, 1.28fr); }
}