/* Fieldnotes theme palette, mapped to the business app's existing tokens. */
:root, :root[data-theme="fieldnotes"] {
  color-scheme: dark; --bg:#0b0b0e; --surface:#121216; --ink:#f3f1f7;
  --muted:#b6b2bd; --border:#303038; --accent:#d7b0ff; --tint:#1b1b21;
  --button-ink:#1b0c2b; --hover:#1b1b21; --danger:#ffa7b7;
  font-family:"Avenir Next", "Segoe UI", sans-serif;
}
:root[data-theme="neon"] {
  color-scheme:dark; --bg:#060608; --surface:#101014; --ink:#f3f1f7;
  --muted:#b6b2bd; --border:#38323f; --accent:#e3a3ff; --tint:#1a1820;
  --button-ink:#1b0c2b; --hover:#1a1820; --danger:#ffa7b7;
}
:root[data-theme="dark"] {
  color-scheme:dark; --bg:#000; --surface:#000; --ink:#fafafa;
  --muted:#a1a1a1; --border:#333; --accent:#c8b5fb; --tint:#171717;
  --button-ink:#000; --hover:#171717; --danger:#ffa7b7;
}
:root[data-theme="light"] {
  color-scheme:light; --bg:#fafafa; --surface:#fff; --ink:#000;
  --muted:#666; --border:#dedede; --accent:#6d28d9; --tint:#f0f0f0;
  --button-ink:#fff; --hover:#f0f0f0; --danger:#a32036;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}
a {
  color: var(--accent);
  text-underline-offset: 3px;
}
button,
input,
textarea,
select {
  font: inherit;
}
button,
select,
input {
  min-height: 44px;
}
button,
a,
select,
input,
textarea {
  touch-action: manipulation;
}
button,
select {
  cursor: pointer;
}
button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  padding: var(--space-2) var(--space-4);
  border-radius: 6px;
}
button:hover,
.button:hover {
  background: var(--hover);
}
button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
input,
textarea,
select {
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: var(--space-2) var(--space-3);
  max-width: 100%;
}
textarea {
  resize: vertical;
  width: 100%;
  min-height: 180px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1 {
  font-family: inherit;
  font-weight: 500;
  font-size: clamp(2rem, 3.7vw, 3.5rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
}
h2 {
  font-size: 1.25rem;
  line-height: 1.4;
}
h3 {
  font-size: 1.03rem;
}
p {
  color: var(--muted);
}
.skip {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 10;
  background: var(--surface);
  padding: 12px;
}
.skip:focus {
  top: 8px;
}
.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-3) var(--page-gutter);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  min-height: 76px;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
}
.brand {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--ink);
  text-decoration: none;
  line-height: 1.25;
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.5px;
}
.brand-sub { font-size: 14px; font-weight: 400; color: var(--muted); }
.brand b {
  font-size: inherit;
}
.monogram {
  font:
    italic 30px Georgia,
    serif;
  letter-spacing: -0.08em;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--accent);
  background: var(--tint);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.topbar nav {
  display: flex;
  gap: var(--space-3);
  margin-left: auto;
  flex-wrap: wrap;
}
.topbar nav a {
  display: flex;
  align-items: center;
  padding: var(--space-2);
  min-height: 44px;
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
}
.topbar nav a[aria-current="page"] {
  color: var(--accent);
  text-decoration: underline;
}
.theme-label {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}
.shell {
  display: grid;
  grid-template-columns: 244px minmax(0, 1fr);
}
aside {
  border-right: 1px solid var(--border);
  padding: var(--space-6) var(--space-4);
  min-width: 0;
  height: calc(100vh - 76px);
  position: sticky;
  top: 76px;
  overflow: auto;
}
summary {
  min-height: 44px;
  cursor: pointer;
}
.sidebar-intro {
  margin-bottom: var(--section-gap);
}
.eyebrow {
  font:
    11px "Courier New",
    monospace;
  letter-spacing: 0.13em;
  color: var(--accent);
  text-transform: uppercase;
}
.sidebar-intro p {
  font-family: inherit;
  font-size: 15px;
  line-height: 1.4;
  margin-top: var(--space-3);
}
#subjects {
  display: grid;
  gap: var(--space-1);
}
#subjects a {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  text-decoration: none;
  color: var(--muted);
  min-height: 44px;
  padding: var(--space-2);
  font-size: 13px;
  border-radius: 4px;
}
#subjects a span:first-child {
  font:
    11px "Courier New",
    monospace;
  color: var(--accent);
}
#subjects a .count {
  margin-left: auto;
  font-size: 11px;
}
#subjects a:hover,
#subjects a[aria-current="page"] {
  background: var(--tint);
  color: var(--ink);
}
.sidebar-foot {
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: var(--section-gap);
  padding-top: var(--space-4);
}
.sidebar-foot span {
  font-size: 10px;
}
main {
  min-width: 0;
  padding: var(--space-6) var(--page-gutter);
  outline: none;
}
.stack {
  display: grid;
  gap: var(--section-gap);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(220px, 1fr);
  gap: var(--space-6);
  align-items: center;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
}
.hero-copy {
  display: grid;
  gap: var(--space-4);
}
.hero-copy h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero p {
  max-width: 58ch;
}
.actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}
.button {
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 5px;
  text-decoration: none;
  background: var(--surface);
  color: var(--ink);
}
.button.primary {
  background: var(--accent);
  color: var(--button-ink);
  border-color: var(--accent);
}
.button.primary:hover {
  filter: brightness(0.92);
}
.decision-map {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-5);
  background: var(--tint);
  display: grid;
  gap: var(--space-3);
}
.decision-map div {
  border-top: 1px solid var(--border);
  padding-top: var(--space-3);
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}
.decision-map b {
  font: 500 16px "Avenir Next", "Segoe UI", sans-serif;
}
.decision-map small {
  color: var(--muted);
}
.metrics {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  font-size: 12px;
}
.metrics strong {
  font-size: 20px;
  color: var(--ink);
  margin-right: var(--space-2);
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.filters {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.search {
  flex: 1;
  min-width: min(260px, 100%);
}
.search label {
  display: block;
  font-size: 12px;
  margin-bottom: var(--space-1);
}
.search input {
  width: 100%;
}
.phase-label {
  font-size: 12px;
  display: grid;
  gap: var(--space-1);
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(270px, 100%), 1fr));
  gap: var(--space-4);
}
.card {
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}
.card h3 a {
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  min-height: 44px;
}
.card h3 a:hover {
  color: var(--accent);
}
.card p {
  font-size: 14px;
}
.card-top {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: 11px;
  color: var(--muted);
}
.card-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--space-3);
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: 12px;
  align-items: center;
}
.card-bottom a {
  min-height: 44px;
  display: flex;
  align-items: center;
}
.arrow {
  background: linear-gradient(135deg, var(--accent), #9868bd);
  background-clip: text;
  color: transparent;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: 12px;
}
.breadcrumb a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.page-heading {
  display: grid;
  gap: var(--space-3);
}
.chapter-list {
  display: grid;
  gap: var(--space-3);
}
.chapter-link {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  text-decoration: none;
  color: var(--ink);
}
.chapter-link small {
  display: block;
  color: var(--muted);
}
.badge {
  font:
    10px "Courier New",
    monospace;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: var(--space-1) var(--space-2);
  border-radius: 4px;
  white-space: nowrap;
}
.reader {
  max-width: 86ch;
}
.article {
  overflow-wrap: anywhere;
}
.article h1 {
  margin-bottom: var(--space-4);
  font-size: clamp(2rem, 3vw, 3rem);
}
.article h2 {
  margin-top: var(--section-gap);
  margin-bottom: var(--space-3);
  color: var(--ink);
}
.article h3 {
  margin-top: var(--space-4);
}
.article p,
.article ul,
.article ol,
.article pre,
.article table {
  margin-top: var(--space-3);
  margin-bottom: 0;
}
.article p {
  color: var(--ink);
}
.article li {
  margin-top: var(--space-2);
}
.article pre {
  overflow: auto;
  padding: var(--space-4);
  border: 1px solid var(--border);
  background: var(--surface);
}
.article code {
  font-size: 0.9em;
}
.article table {
  border-collapse: collapse;
  width: 100%;
  display: block;
  overflow: auto;
}
.article th,
.article td {
  padding: var(--space-2);
  border: 1px solid var(--border);
  text-align: left;
}
.note-block {
  display: grid;
  gap: var(--space-3);
  border-top: 1px solid var(--border);
  padding-top: var(--space-5);
}
.note-block label {
  font-weight: bold;
}
.subtle {
  font-size: 12px;
  color: var(--muted);
}
.pagination {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.lab-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-5);
}
.lab-form {
  display: grid;
  gap: var(--space-3);
}
.lab-form label {
  display: grid;
  gap: var(--space-1);
  font-size: 14px;
}
.lab-form button {
  justify-self: start;
}
.results {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}
.results dl {
  margin: 0;
}
.results dl div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--border);
}
.results dd {
  margin: 0;
  font-weight: bold;
}
.notice {
  background: var(--tint);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: var(--space-4);
}
.error {
  color: var(--danger);
}
.journal-entry {
  display: grid;
  gap: var(--space-3);
}
footer {
  border-top: 1px solid var(--border);
  padding: var(--space-4) var(--page-gutter);
  font-size: 12px;
  color: var(--muted);
}
footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.storage-notice {
  margin: var(--space-4);
}
#storage-status {
  margin: var(--space-4);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
@media (min-width: 851px) {
  #subject-menu > summary {
    display: none;
  }
  #subject-menu:not([open]) > nav,
  #subject-menu:not([open]) > .sidebar-intro,
  #subject-menu:not([open]) > .sidebar-foot {
    display: block;
  }
  #subject-menu:not([open]) > nav {
    display: grid;
  }
}
@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .decision-map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .decision-map > .eyebrow {
    grid-column: 1/-1;
  }
  .decision-map div {
    display: grid;
  }
  .theme-label {
    flex-direction: column;
    gap: 0;
    align-items: start;
  }
}
@media (max-width: 850px) {
  .topbar {
    flex-wrap: wrap;
    gap: var(--space-3);
  }
  .topbar nav {
    order: 3;
    width: 100%;
    margin: 0;
    gap: var(--space-2);
    justify-content: space-between;
  }
  .theme-label {
    margin-left: auto;
    flex-direction: row;
    align-items: center;
    gap: var(--space-2);
  }
  .shell {
    grid-template-columns: 1fr;
  }
  aside {
    position: static;
    height: auto;
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: var(--space-2) var(--page-gutter);
  }
  .sidebar-intro {
    display: none;
  }
  #subjects {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
  .sidebar-foot {
    display: none;
  }
  main {
    padding-top: var(--space-5);
  }
  .hero {
    gap: var(--space-5);
  }
  .lab-layout {
    grid-template-columns: 1fr;
  }
  .decision-map {
    padding: var(--space-4);
    gap: var(--space-2);
  }
  .decision-map b {
    font-size: 19px;
  }
  .metrics {
    gap: var(--space-4);
  }
  .chapter-link {
    grid-template-columns: 24px minmax(0, 1fr);
  }
  .chapter-link > .badge {
    grid-column: 2;
    justify-self: start;
  }
  .theme-label select {
    max-width: 125px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}