/* ABF — professional audit workbench */
:root {
  --ink: #1c1917;
  --ink-soft: #44403c;
  --paper: #f4efe6;
  --paper-2: #fbf8f2;
  --navy: #1b2a4a;
  --navy-2: #12203a;
  --rule: #d6cbb8;
  --rule-strong: #b9a98e;
  --accent: #8b3a2a;
  --gold: #a17c3a;
  --ok: #1f4d3a;
  --ok-bg: #e8f0ea;
  --warn: #7a4b12;
  --warn-bg: #f5ead6;
  --alert: #7f1d1d;
  --alert-bg: #f5e4e0;
  --info: #1e3a5f;
  --info-bg: #e7eef6;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
  --serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --shadow: 0 1px 2px rgba(28, 25, 23, 0.06), 0 8px 24px rgba(27, 42, 74, 0.06);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 7.5rem; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--navy); }
a:hover { color: var(--accent); }
.hidden { display: none !important; }
.serif { font-family: var(--serif); }
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 80;
  background: var(--gold);
  color: var(--navy-2);
  padding: 0.4rem 0.75rem;
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: 0.6rem; }

.app-header {
  background: var(--navy-2);
  color: #f4efe6;
  border-bottom: 3px solid var(--gold);
  position: sticky;
  top: 0;
  z-index: 40;
}
.app-header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem 0;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}
.brand { display: flex; gap: 0.9rem; align-items: center; }
.mark {
  width: 42px; height: 42px;
  border: 1px solid var(--gold);
  display: grid; place-items: center;
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold);
}
.brand h1 {
  font-family: var(--serif);
  font-size: 1.35rem;
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.brand p {
  margin: 0.1rem 0 0;
  font-size: 0.8rem;
  color: #cfc6b6;
}
.header-meta {
  font-size: 0.75rem;
  color: #cfc6b6;
  text-align: right;
}
nav.primary {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  gap: 0;
  overflow-x: auto;
  flex-wrap: nowrap;
}
nav.primary a {
  color: #d9d1c3;
  text-decoration: none;
  padding: 0.7rem 1rem 0.65rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  flex: 0 0 auto;
}
nav.primary a.active, nav.primary a:hover {
  color: #fff;
  border-bottom-color: var(--gold);
}
.nav-badge {
  display: inline-block;
  min-width: 1.25rem;
  margin-left: 0.35rem;
  padding: 0.05rem 0.35rem;
  border-radius: 999px;
  background: var(--gold);
  color: var(--navy-2);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  vertical-align: 1px;
}
.nav-badge.hidden { display: none; }

main { max-width: 1180px; margin: 0 auto; padding: 1.75rem 1.5rem 4rem; }

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2.5rem;
}
.hero h2 {
  font-family: var(--serif);
  font-size: 2.15rem;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.8rem;
}
.lede { font-size: 1.08rem; color: var(--ink-soft); margin: 0 0 1.2rem; }
.hero-card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
  padding: 1.2rem 1.3rem;
}
.hero-card h3 {
  font-family: var(--serif);
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
}
.hero-card ol { margin: 0; padding-left: 1.2rem; font-size: 0.92rem; }
.hero-card li { margin: 0.35rem 0; }
.hero-card-note {
  margin: 0.9rem 0 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.btn {
  display: inline-block;
  border: 0;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.92rem;
  padding: 0.65rem 1.1rem;
  background: var(--navy);
  color: #f4efe6;
  text-decoration: none;
}
.btn:hover { background: #24375d; color: #fff; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-secondary { background: transparent; color: var(--navy); border: 1px solid var(--navy); }
.btn-secondary:hover { background: var(--navy); color: #fff; }
.btn-accent { background: var(--accent); }
.btn-accent:hover { background: #6f2e22; color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 0;
  padding: 0.25rem 0.4rem;
  font-size: 0.78rem;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.btn-ghost:hover { color: var(--accent); background: transparent; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; align-items: center; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}
.panel {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 1.1rem 1.15rem;
}
.panel h3 { font-family: var(--serif); margin: 0 0 0.4rem; font-size: 1.05rem; }
.panel p { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }
.kicker {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.notice {
  border-left: 3px solid var(--gold);
  background: var(--warn-bg);
  padding: 0.8rem 1rem;
  font-size: 0.88rem;
  margin: 1rem 0;
}
.notice.alert { border-left-color: var(--alert); background: var(--alert-bg); }
.notice.ok { border-left-color: var(--ok); background: var(--ok-bg); }
.notice.info { border-left-color: var(--info); background: var(--info-bg); }

.wizard {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
}
.steps { list-style: none; margin: 0; padding: 0; }
.steps li {
  border-left: 2px solid var(--rule);
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.steps li button {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 0.55rem 0.7rem;
  font: inherit;
  color: inherit;
  cursor: pointer;
}
.steps li.active {
  border-left-color: var(--navy);
  color: var(--navy);
  font-weight: 650;
  background: var(--paper-2);
}
.steps li.done { border-left-color: var(--ok); color: var(--ok); }

.form-section h2 {
  font-family: var(--serif);
  font-size: 1.45rem;
  margin: 0 0 0.35rem;
}
.form-section .help { color: var(--ink-soft); font-size: 0.9rem; margin: 0 0 1.1rem; }
label.field { display: block; margin: 0 0 0.9rem; font-size: 0.9rem; font-weight: 600; }
label.field.required::after { content: " · required"; font-weight: 400; color: var(--accent); font-size: 0.75rem; }
label.field span.hint { display: block; font-weight: 400; color: var(--ink-soft); font-size: 0.82rem; }
input[type="text"], input[type="date"], select, textarea {
  width: 100%;
  margin-top: 0.3rem;
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--rule-strong);
  background: #fff;
  color: var(--ink);
}
textarea { min-height: 5rem; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.45rem 1rem; margin: 0.4rem 0 1rem; }
.check {
  display: flex; gap: 0.5rem; align-items: flex-start;
  font-size: 0.88rem; font-weight: 400;
}
.check input { margin-top: 0.25rem; }
.field-error { color: var(--alert); font-size: 0.85rem; margin: 0 0 0.8rem; }
.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin: 0.4rem 0 1.1rem;
}
.choice {
  display: grid;
  gap: 0.15rem;
  padding: 0.75rem 0.85rem 0.8rem 2.1rem;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  position: relative;
  cursor: pointer;
  font-weight: 400;
}
.choice input {
  position: absolute;
  left: 0.75rem;
  top: 0.9rem;
}
.choice-title { font-weight: 650; color: var(--navy); }
.choice-hint { font-size: 0.8rem; color: var(--ink-soft); }
.choice:has(input:checked) {
  border-color: var(--navy);
  background: #fff;
  box-shadow: inset 3px 0 0 var(--gold);
}
.preview-card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 1rem 1.1rem;
  margin: 0 0 1rem;
}
.preview-card h3 {
  font-family: var(--serif);
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}
.preview-dl {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 0.25rem 0.8rem;
  font-size: 0.88rem;
  margin: 0 0 0.8rem;
}
.preview-dl dt { color: var(--ink-soft); }
.preview-dl dd { margin: 0; }
.cite {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.finding {
  border: 1px solid var(--rule);
  background: var(--paper-2);
  padding: 1rem 1.1rem;
  margin: 0.7rem 0;
}
.finding h3 { margin: 0 0 0.25rem; font-size: 1rem; font-family: var(--serif); }
.status {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  background: var(--info-bg);
  color: var(--info);
  margin-bottom: 0.4rem;
}
.status.high { background: var(--alert-bg); color: var(--alert); }
.status.warn { background: var(--warn-bg); color: var(--warn); }
.status.ok { background: var(--ok-bg); color: var(--ok); }

.stats { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1rem 0; }
.stat {
  background: var(--navy);
  color: #f4efe6;
  padding: 0.7rem 0.9rem;
  min-width: 9rem;
}
.stat b { display: block; font-size: 1.4rem; font-family: var(--serif); }
.stat span { font-size: 0.75rem; color: #cfc6b6; }

.tabs { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--rule-strong); margin: 1.2rem 0 0; background: var(--paper); position: sticky; top: 6.6rem; z-index: 20; }
.tabs button {
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0.55rem 0.9rem;
  font: inherit;
  cursor: pointer;
  color: var(--ink-soft);
}
.tabs button.active { color: var(--navy); border-bottom-color: var(--navy); font-weight: 650; }

.workpaper-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: end;
  margin: 0.9rem 0 0.4rem;
}
.workpaper-toolbar label {
  font-size: 0.82rem;
  font-weight: 600;
}
.workpaper-toolbar select { width: auto; min-width: 12rem; margin-top: 0.2rem; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0.6rem 0 0.9rem; }
.filter-chips button {
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink-soft);
  font: inherit;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
}
.filter-chips button.active {
  border-color: var(--navy);
  color: var(--navy);
  background: #fff;
  font-weight: 650;
}

.status-select {
  font: inherit;
  font-size: 0.75rem;
  padding: 0.2rem 0.35rem;
  border: 1px solid var(--rule-strong);
  background: #fff;
  width: auto;
  margin: 0;
}
.status-select[data-tone="requested"] { background: var(--info-bg); color: var(--info); }
.status-select[data-tone="received"] { background: var(--warn-bg); color: var(--warn); }
.status-select[data-tone="tested"] { background: var(--ok-bg); color: var(--ok); }
.status-select[data-tone="exception"] { background: var(--alert-bg); color: var(--alert); }

.note-box { min-height: 3.2rem; font-size: 0.85rem; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.6rem; }
.row-id { font-family: var(--mono); font-size: 0.78rem; }

.agenda {
  border: 1px solid var(--rule);
  background: #fff;
  margin: 0.8rem 0;
}
.agenda header {
  padding: 0.8rem 1rem;
  background: #ebe4d6;
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: flex-start;
  flex-wrap: wrap;
}
.agenda header h3 { margin: 0; font-family: var(--serif); font-size: 1.05rem; }
.agenda .body { padding: 0.9rem 1rem 1.1rem; }
.agenda ol { margin: 0.3rem 0 0.8rem; padding-left: 1.2rem; }
.agenda li { margin: 0.35rem 0; }

.progress-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.6rem 0 1rem;
  font-size: 0.8rem;
}
.progress-strip span {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 0.2rem 0.45rem;
}

.print-banner { display: none; }
.toast {
  position: fixed;
  bottom: 1.2rem;
  right: 1.2rem;
  background: var(--navy);
  color: #f4efe6;
  padding: 0.65rem 0.9rem;
  font-size: 0.85rem;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 50;
  max-width: 22rem;
}
.toast.show { opacity: 1; transform: none; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  background: var(--paper-2);
}
th, td { border-bottom: 1px solid var(--rule); padding: 0.55rem 0.6rem; text-align: left; vertical-align: top; }
th { font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); background: #ebe4d6; }
tr[data-open] { cursor: pointer; }
tr[data-open]:hover td { background: #efe8da; }
.detail {
  display: none;
  padding: 0.8rem 1rem 1rem;
  background: #fff;
  border: 1px solid var(--rule);
  border-top: 0;
  margin-bottom: 0.6rem;
  font-size: 0.88rem;
}
.detail.open { display: block; }
.detail h4 { margin: 0.6rem 0 0.25rem; font-size: 0.9rem; }
.chip {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--rule-strong);
  margin: 0 0.2rem 0.2rem 0;
  color: var(--ink-soft);
}

.walk {
  border: 1px solid var(--rule);
  margin: 0.8rem 0;
  background: #fff;
}
.walk header { padding: 0.8rem 1rem; background: #ebe4d6; }
.walk header h3 { margin: 0; font-family: var(--serif); font-size: 1.05rem; }
.walk .body { padding: 0.9rem 1rem 1.1rem; }
blockquote {
  margin: 0.4rem 0 0.8rem;
  padding: 0.5rem 0.8rem;
  border-left: 3px solid var(--navy);
  background: var(--info-bg);
  font-style: italic;
}

.library-toolbar {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0.8rem 0 1rem; align-items: end;
}
.library-toolbar label { flex: 1; min-width: 180px; font-size: 0.85rem; font-weight: 600; }

footer.app-footer {
  border-top: 1px solid var(--rule);
  padding: 1.4rem 1.5rem 2rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
  max-width: 1180px;
  margin: 0 auto;
}
footer.app-footer .credit {
  font-size: 0.92rem;
  color: var(--ink);
  margin: 0 0 0.55rem;
}
footer.app-footer .credit a {
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}
footer.app-footer .credit a:hover {
  color: var(--accent);
}

.source-list { list-style: none; padding: 0; }
.source-list li {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 1rem 1.1rem;
  margin: 0.6rem 0;
}
.source-list h3 { margin: 0 0 0.3rem; font-family: var(--serif); font-size: 1.05rem; }

details { margin-top: 0.4rem; }
details summary { cursor: pointer; font-weight: 600; color: var(--navy); }

@media (min-width: 901px) {
  .wizard .wizard-nav { position: sticky; top: 7.5rem; align-self: start; }
}

@media (max-width: 900px) {
  .hero, .wizard, .grid-3, .two, .check-grid, .choice-grid, .preview-dl { grid-template-columns: 1fr; }
  nav.primary { overflow-x: auto; }
  .app-header { position: sticky; }
  .header-meta { display: none; }
}

@media print {
  .app-header, nav.primary, .btn-row, .tabs, .wizard .steps, footer.app-footer,
  .no-print, .workpaper-toolbar, .filter-chips, .skip-link, .toast { display: none !important; }
  body { background: #fff; }
  main { max-width: none; padding: 0; }
  .detail { display: block !important; }
  a { color: #000; text-decoration: none; }
  .print-banner {
    display: block;
    border-bottom: 2px solid #1b2a4a;
    margin-bottom: 1rem;
    padding-bottom: 0.6rem;
  }
  .print-banner h1 { font-family: "Source Serif 4", Georgia, serif; font-size: 1.2rem; margin: 0; }
}