/* Bold Raven
   Palette (no colour outside these five):
     --bg     #292831  background
     --body   #fbbbad  body text
     --title  #ee8695  titles / headings
     --ui     #4a7a96  UI elements, active state
     --ui-dim #333f58  UI elements, idle state
*/

:root {
  --bg: #292831;
  --body: #fbbbad;
  --title: #ee8695;
  --ui: #4a7a96;
  --ui-dim: #333f58;

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", "Courier New", monospace;

  --gutter: 24px;
  --rail-w: 284px;
}

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

html { height: 100%; }

body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--body);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Must beat the id selectors below, which set display on the views. */
[hidden] { display: none !important; }

/* ---------------------------------------------------------------- root view */

#root-view {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: var(--gutter);
}

/* The mark and the wordmark read as one lockup, so they sit closer to each
   other than the lockup sits to the input. */
#mark {
  width: 132px;
  height: auto;
  margin-bottom: -22px;
  user-select: none;
  -webkit-user-drag: none;
}

.wordmark {
  margin: 0;
  color: var(--title);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.62em;
  text-indent: 0.62em;
  text-transform: uppercase;
  user-select: none;
}

.field-wrap {
  position: relative;
  width: min(320px, 100%);
}

#code-input {
  width: 100%;
  margin: 0;
  padding: 14px 46px 14px 18px;
  background: transparent;
  border: 1px solid var(--ui-dim);
  border-radius: 2px;
  color: var(--body);
  font-family: inherit;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  caret-color: var(--ui);
  outline: none;
  transition: border-color 90ms linear;
}

#code-input::placeholder { color: transparent; }

#code-input:focus { border-color: var(--ui); }

.field-wrap.reject #code-input { border-color: var(--title); }

#enter-hint {
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  color: var(--ui);
  font-size: 17px;
  line-height: 1;
  opacity: 0;
  transition: opacity 90ms linear;
  pointer-events: none;
  user-select: none;
}

.field-wrap.filled #enter-hint { opacity: 1; }

.field-wrap.shake { animation: shake 220ms steps(6, end); }

/* Pinned to the bottom so it never shifts the centred lockup. */
.credit {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: var(--gutter);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 14px;
  color: var(--ui);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  user-select: none;
}

.credit span + span::before {
  content: "\00b7";
  margin-right: 14px;
  color: var(--ui-dim);
}

@keyframes shake {
  0%   { transform: translateX(0); }
  16%  { transform: translateX(-7px); }
  33%  { transform: translateX(7px); }
  50%  { transform: translateX(-5px); }
  66%  { transform: translateX(5px); }
  83%  { transform: translateX(-2px); }
  100% { transform: translateX(0); }
}

/* ---------------------------------------------------------------- code view */

.code-view {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100svh;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--gutter);
  gap: 20px;
  animation: enter 130ms ease-out;
}

@keyframes enter {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}

.code-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ui-dim);
}

.code-number {
  color: var(--ui);
  font-size: 13px;
  letter-spacing: 0.22em;
  user-select: all;
}

.code-title {
  margin: 0;
  color: var(--title);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.code-body {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  flex: 1;
}

/* rail */

.rail {
  position: sticky;
  top: var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 1px;
  border-left: 1px solid var(--ui-dim);
}

.rail-item {
  display: grid;
  grid-template-columns: 18px 42px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 0;
  border-left: 2px solid transparent;
  margin-left: -1px;
  background: transparent;
  color: var(--ui);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 90ms linear, color 90ms linear,
              border-color 90ms linear;
}

.rail-item .idx { color: var(--ui-dim); }
.rail-item .abbr { font-weight: 700; }
.rail-item .name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rail-item.empty { opacity: 0.42; }

.rail-item:hover { background: var(--ui-dim); }

.rail-item.active {
  background: var(--ui-dim);
  border-left-color: var(--ui);
  color: var(--body);
  opacity: 1;
}

.rail-item.active .idx { color: var(--ui); }

.rail-item:focus-visible {
  outline: 1px solid var(--ui);
  outline-offset: -1px;
}

/* panel */

.panel { outline: none; }

.panel.swap { animation: swap 110ms ease-out; }

@keyframes swap {
  from { opacity: 0; transform: translateX(6px); }
  to   { opacity: 1; transform: translateX(0); }
}

.policy-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 22px;
}

.policy-head h2 {
  margin: 0;
  color: var(--title);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.policy-head .abbr {
  padding: 2px 7px;
  border: 1px solid var(--ui-dim);
  border-radius: 2px;
  color: var(--ui);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.reasons {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 78ch;
}

.reason { padding: 0 0 22px; }

.reason + .reason {
  padding-top: 22px;
  border-top: 1px solid var(--ui-dim);
}

.reason-head {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  margin-bottom: 12px;
}

.reason-head .rank {
  color: var(--ui);
  font-size: 12px;
  letter-spacing: 0.1em;
}

/* The tool renders reason headlines as h3 under a rendered h1; the generated
   pages render them as h2 under the page h1. Same thing, same look. */
.reason-head h3,
.reason-head h2 {
  margin: 0;
  color: var(--title);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

/* Bullets sit in the same content column as .fields dd: 34px label gutter
   plus the 12px grid gap, with the marker hanging back into the gutter. */
.points {
  margin: 0 0 12px;
  padding: 0 0 0 46px;
  list-style: none;
}

.points:last-child { margin-bottom: 0; }

.points li {
  position: relative;
  margin: 0 0 6px;
  color: var(--body);
}

.points li:last-child { margin-bottom: 0; }

.points li::before {
  content: "-";
  position: absolute;
  left: -14px;
  color: var(--ui);
}

.fields {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px 12px;
  margin: 0;
}

.fields dt {
  color: var(--ui);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.fields dd {
  margin: 0;
  color: var(--body);
}

.empty-state {
  margin: 0;
  color: var(--ui);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* footer */

.keys {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--ui-dim);
  color: var(--ui-dim);
  font-size: 11px;
  letter-spacing: 0.1em;
  user-select: none;
}

.keys b { color: var(--ui); font-weight: 700; }

.keys-credit {
  margin-left: auto;
  color: var(--ui);
  text-transform: uppercase;
}

/* ------------------------------------------------------------------ narrow */

@media (max-width: 720px) {
  .code-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .rail {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1px;
    border-left: 0;
    border-bottom: 1px solid var(--ui-dim);
    padding-bottom: 10px;
  }

  .rail-item {
    grid-template-columns: auto auto;
    margin-left: 0;
    border-left: 0;
    border-bottom: 2px solid transparent;
  }

  .rail-item .name { display: none; }
  .rail-item.active { border-left-color: transparent; border-bottom-color: var(--ui); }
}

/* ------------------------------------------------- generated (static) pages

   Everything below styles the crawlable pages under /naics/. They reuse
   .code-view, .rail, .panel and .reasons from above so the two surfaces look
   identical; these rules only cover what a static page has and the tool
   does not: breadcrumbs, link rails, directory lists, and pagers.          */

.doc { animation: none; }

.doc a { color: var(--ui); text-decoration: none; }
.doc a:hover { color: var(--body); text-decoration: underline; }
.doc a:focus-visible { outline: 1px solid var(--ui); outline-offset: 2px; }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  color: var(--ui-dim);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.crumbs .sep { color: var(--ui-dim); }
.crumbs [aria-current] { color: var(--body); }

.doc .code-title a { color: inherit; }
.doc .code-title a:hover { color: var(--body); }

/* The rail is <button> in the tool and <a> here. Inherit everything, then put
   back what an anchor does not get from the shared rule. */
a.rail-item {
  text-decoration: none;
  color: var(--ui);
}

a.rail-item:hover {
  color: var(--body);
  text-decoration: none;
}

.doc .policy-head h1 {
  margin: 0;
  color: var(--title);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lede {
  max-width: 72ch;
  margin: 0 0 26px;
  color: var(--body);
  opacity: 0.86;
}

.panel.wide .dir-list { max-width: none; }

.group {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 30px 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ui-dim);
  color: var(--ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.group span {
  color: var(--title);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.dir-list {
  margin: 0;
  padding: 0;
  max-width: 78ch;
  list-style: none;
}

.dir-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 7px 0;
  border-bottom: 1px solid var(--ui-dim);
}

.dir-list li.empty { opacity: 0.42; }

.dir-list li > a {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  min-width: 0;
}

.dir-code {
  color: var(--ui);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.14em;
}

.dir-name { color: var(--body); flex: 1; min-width: 0; }
.dir-list li > a:hover .dir-name { color: var(--title); }

.dir-note {
  color: var(--ui-dim);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.chips { display: flex; flex-wrap: wrap; gap: 4px; }

.chip {
  padding: 1px 6px;
  border: 1px solid var(--ui-dim);
  border-radius: 2px;
  color: var(--ui);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.chip:hover {
  border-color: var(--ui);
  color: var(--body);
  text-decoration: none;
}

.pager {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 30px;
  padding-top: 14px;
  border-top: 1px solid var(--ui-dim);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.keyhint {
  margin: 14px 0 0;
  color: var(--ui-dim);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  user-select: none;
}

.keyhint b { color: var(--ui); font-weight: 700; }

.doc-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin-top: auto;
  padding-top: 22px;
  color: var(--ui);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.doc-foot span + span::before,
.doc-foot a + span::before {
  content: "\00b7";
  margin-right: 14px;
  color: var(--ui-dim);
}

/* Sits under the input on the root view without moving the centred lockup. */
.root-links {
  margin-top: -18px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.root-links a { color: var(--ui-dim); text-decoration: none; }
.root-links a:hover { color: var(--ui); }

/* --------------------------------------------------------- reduced motion */

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