/* Board depth: participant board + item surfaces.
   PlatformShell owns html/body, chrome, fonts, and design tokens.
   Local --bd-* aliases map onto the shared system so component sheets keep working. */
@import url('/board-depth-components.css');
@import url('/board-depth-responsive.css');

body.platform.board-depth-page {
  --bd-canvas: var(--ground);
  --bd-surface: var(--surface);
  --bd-surface-strong: var(--sunken);
  --bd-ink: var(--ink);
  --bd-muted: var(--muted);
  --bd-soft: var(--muted);
  --bd-line: var(--line);
  --bd-line-strong: var(--line);
  --bd-gold: oklch(0.7452 0.1204 81.21);
  --bd-gold-ink: oklch(0.493 0.093 84.1);
  --bd-verdigris: oklch(0.6664 0.0863 163.1);
  --bd-accent: var(--muted);
  --bd-accent-strong: var(--ink);
  --bd-accent-soft: var(--sunken);
  --bd-positive: var(--ink);
  --bd-positive-soft: var(--sunken);
  --bd-warning: var(--muted);
  --bd-warning-soft: var(--sunken);
  --bd-danger: var(--ink);
  --bd-danger-soft: var(--sunken);
  --bd-focus: var(--ink);
  --bd-radius-sm: 0.55rem;
  --bd-radius: 0.9rem;
  --bd-radius-lg: 1.35rem;
  --bd-content: 76rem;
}

body.platform.board-depth-page.is-offline::before {
  content: "Offline. Drafts stay on this device, and writes resume when the connection returns.";
  display: block;
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  padding-block: 0.55rem;
  padding-inline: 1rem;
  background: var(--bd-warning-soft);
  border-block-end: 1px solid var(--line);
  color: var(--bd-warning);
  text-align: center;
  font-weight: 700;
}

body.platform.board-depth-page button,
body.platform.board-depth-page input,
body.platform.board-depth-page select,
body.platform.board-depth-page textarea {
  font: inherit;
}

body.platform.board-depth-page a {
  color: var(--bd-accent-strong);
  text-underline-offset: 0.18em;
}

@media (hover: hover) and (pointer: fine){

body.platform.board-depth-page a:hover {
  text-decoration-thickness: 0.12em;
}
}

body.platform.board-depth-page button {
  cursor: pointer;
}

body.platform.board-depth-page button[disabled],
body.platform.board-depth-page [aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.58;
}

body.platform.board-depth-page :focus-visible {
  outline: 3px solid var(--bd-focus);
  outline-offset: 3px;
  border-radius: 0.2rem;
}

body.platform.board-depth-page .bd-skip {
  position: fixed;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 1000;
  transform: translateY(-180%);
  padding-block: 0.7rem;
  padding-inline: 1rem;
  border-radius: var(--bd-radius-sm);
  background: var(--bd-ink);
  color: var(--ground);
  font-weight: 800;
}

body.platform.board-depth-page .bd-skip:focus {
  transform: translateY(0);
}

/* Page composition rules. Tokens above inherit from body.platform.board-depth-page. */
.bd-shell {
  width: min(var(--bd-content), calc(100% - 2rem));
  margin-block: 0;
  margin-inline: auto;
  padding-block: clamp(1.5rem, 4vw, 4rem) 6rem;
  padding-inline: 0;
}
.bd-item-shell { width: min(64rem, calc(100% - 2rem)); }

h1, h2, h3, p { margin-block-start: 0; }
h1, h2, h3 { letter-spacing: -0.035em; line-height: 1.08; }
h1 {
  margin-block-end: 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.45rem, 7vw, 5.5rem);
  font-weight: 650;
}
h2 { font-size: clamp(1.35rem, 2.5vw, 2.1rem); }
h3 { font-size: 1.15rem; }

.bd-eyebrow {
  display: inline-block;
  margin-block-end: 0.6rem;
  color: var(--bd-accent-strong);
  font-size:.75rem;
  font-weight: 850;
  
  
}

.bd-board-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
  margin-block-end: clamp(2rem, 5vw, 4.5rem);
}
.bd-board-hero h1 { max-width: 12ch; }
.bd-board-hero p { color: var(--bd-muted); }
.bd-hero-stat {
  display: grid;
  min-width: 10rem;
  padding-block: 1.2rem;
  padding-inline: 1.4rem;
  border: 1px solid var(--bd-line);
  border-radius: var(--bd-radius-lg);
  background: var(--bd-surface);
}
.bd-hero-stat b { font-size: 2rem; line-height: 1; }
.bd-hero-stat span { color: var(--bd-muted); font-size: 0.84rem; }

.bd-query,
.bd-contribute,
.bd-operator,
.bd-owner,
.bd-edit,
.bd-thread,
.bd-item-answer,
.bd-participant-state {
  margin-block: 0 2rem;
  margin-inline: 0;
  padding: clamp(1.15rem, 3vw, 2rem);
  border: 1px solid var(--bd-line);
  border-radius: var(--bd-radius-lg);
  background: var(--bd-surface);
}
.bd-item-answer {
  border-color: color-mix(in oklch, var(--bd-verdigris) 40%, var(--bd-line));
  background: color-mix(in oklch, var(--bd-verdigris) 10%, var(--bd-surface));
}
.bd-item-answer-eyebrow {
  display: inline-block;
  font-family: var(--font-ui);
  font-size:.75rem;
  
  
  color: var(--bd-muted);
}
.bd-item-answer-heading {
  margin-block: 0.4rem 0.75rem;
  margin-inline: 0;
}
.bd-item-answer-quote {
  margin: 0;
  padding: 0;
  border: 0;
}
.bd-item-answer-body {
  margin-block: 0 0.75rem;
  margin-inline: 0;
  font-size: 1.05rem;
}
.bd-item-answer-who {
  margin: 0;
  color: var(--bd-muted);
  font-size: 0.84rem;
}
.bd-query { position: relative; }

.bd-section-intro,
.bd-results-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-block-end: 1.25rem;
}
.bd-section-intro > p,
.bd-results-head > p { max-width: 34rem; margin-block-end: 0; color: var(--bd-muted); }
.bd-section-intro h2,
.bd-results-head h2 { margin-block-end: 0; }

.bd-search { display: grid; gap: 0.45rem; margin-block-end: 1rem; }
.bd-search > span, .bd-field > span { font-weight: 760; font-size: 0.9rem; }
.bd-search > div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: stretch;
  border: 1px solid var(--bd-line-strong);
  border-radius: 0.8rem;
  background: var(--bd-surface-strong);
  transition: border-color 140ms ease;
}
.bd-search > div:focus-within {
  border-color: var(--bd-accent);
}
.bd-search input {
  min-width: 0;
  min-height: 3.45rem;
  padding-block: 0.8rem;
  padding-inline: 1rem;
  border: 0;
  border-start-start-radius: 0.8rem;
  border-start-end-radius: 0;
  border-end-end-radius: 0;
  border-end-start-radius: 0.8rem;
  background: transparent;
  color: var(--bd-ink);
  font-size: 1.05rem;
}
.bd-search input:focus { outline: 0; }
.bd-search button {
  margin: 0.35rem;
  padding-block: 0.65rem;
  padding-inline: 1.15rem;
  border: 0;
  border-radius: 0.58rem;
  background: var(--bd-ink);
  color: var(--ground);
  font-weight: 780;
}

.bd-filter-grid,
.bd-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1rem;
}
.bd-filter-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bd-span { grid-column: 1 / -1; }
.bd-field { display: grid; align-content: start; gap: 0.38rem; min-width: 0; }
.bd-field small { color: var(--bd-muted); font-size: 0.78rem; }
.bd-field input,
.bd-field select,
.bd-field textarea,
.bd-comment-admin input,
.bd-affix {
  width: 100%;
  min-height: 2.9rem;
  padding-block: 0.68rem;
  padding-inline: 0.78rem;
  border: 1px solid var(--bd-line-strong);
  border-radius: var(--bd-radius-sm);
  background: var(--bd-surface-strong);
  color: var(--bd-ink);
  transition: border-color 120ms ease, background 120ms ease;
}
.bd-field textarea { min-height: 8.5rem; resize: vertical; }
.bd-field.is-compact input,
.bd-field.is-compact select { min-height: 2.75rem; }
.bd-field input:focus,
.bd-field select:focus,
.bd-field textarea:focus,
.bd-comment-admin input:focus {
  outline: 0;
  border-color: var(--bd-accent);
}
.bd-field [aria-invalid="true"] { border-color: var(--bd-danger); background: var(--bd-danger-soft); }

.bd-check,
.bd-switch {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  cursor: pointer;
}
.bd-check input { width: 1.15rem; height: 1.15rem; margin-block-start: 0.18rem; accent-color: var(--bd-accent); }
.bd-switch input {
  appearance: none;
  width: 2.8rem;
  height: 1.55rem;
  flex: 0 0 auto;
  margin-block-start: 0.05rem;
  border: 1px solid var(--bd-line-strong);
  border-radius: 999px;
  background: var(--bd-line);
  position: relative;
  transition: background 150ms ease, border-color 150ms ease;
}
.bd-switch input::after {
  content: "";
  position: absolute;
  width: 1.13rem;
  height: 1.13rem;
  inset-block-start: 0.15rem;
  inset-inline-start: 0.16rem;
  border-radius: 50%;
  background: var(--bd-surface);
}
@media (prefers-reduced-motion: no-preference){
.bd-switch input::after {
  transition: transform 150ms ease;
}
}
.bd-switch input:checked { background: var(--bd-accent); border-color: var(--bd-accent); }
.bd-switch input:checked::after { transform: translateX(1.22rem); }
.bd-switch span { display: grid; }
.bd-switch small { color: var(--bd-muted); }

.bd-query-actions,
.bd-submit-row,
.bd-message > div,
.bd-empty > div {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.bd-query-actions { margin-block-start: 1rem; }
.bd-submit-row { margin-block-start: 1rem; }
.bd-submit-row > p { margin: 0; color: var(--bd-muted); }

button,
.bd-primary-link,
.bd-query-actions a,
.bd-empty a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding-block: 0.65rem;
  padding-inline: 0.9rem;
  border: 1px solid var(--bd-line-strong);
  border-radius: var(--bd-radius-sm);
  background: var(--bd-surface-strong);
  color: var(--bd-ink);
  text-decoration: none;
  font-weight: 760;
}

@media (prefers-reduced-motion: no-preference){

button,
.bd-primary-link,
.bd-query-actions a,
.bd-empty a {
  transition: transform 100ms ease, background 120ms ease, border-color 120ms ease;
}
}
@media (hover: hover) and (pointer: fine){
button:hover,
.bd-query-actions a:hover,
.bd-empty a:hover { border-color: var(--bd-ink); background: var(--bd-surface); }
}
button:active,
.bd-primary-link:active { transform: translateY(1px); }
button.bd-primary,
.bd-primary-link,
.bd-query-actions .bd-primary,
.bd-empty .bd-primary {
  border-color: var(--bd-gold);
  background: var(--bd-gold);
  color: oklch(0.1919 0.0126 270.68);
}
@media (hover: hover) and (pointer: fine){
button.bd-primary:hover,
.bd-primary-link:hover { border-color: var(--bd-gold-ink); background: color-mix(in oklch, var(--bd-gold) 88%, oklch(0 0 none)); color: oklch(0.1919 0.0126 270.68); }
}
button.is-danger { color: var(--bd-danger); border-color: color-mix(in oklab, var(--bd-danger) 45%, var(--bd-line)); background: var(--bd-danger-soft); }
button.is-busy { position: relative; color: transparent !important; }
button.is-busy::after {
  content: "";
  position: absolute;
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-inline-end-color: transparent;
  border-radius: 50%;
  color: var(--bd-accent);
}
@media (prefers-reduced-motion: no-preference){
button.is-busy::after {
  animation: bd-spin 700ms linear infinite;
}
}

.bd-active {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-block-start: 1rem;
}
.bd-active > span:first-child { color: var(--bd-muted); font-size: 0.78rem; font-weight: 800;   }
.bd-chip,
.bd-labels span,
.bd-status,
.bd-pin,
.bd-pending {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  font-size: 0.78rem;
  line-height: 1.2;
}
.bd-chip { padding-block: 0.35rem; padding-inline: 0.58rem; background: var(--bd-accent-soft); color: var(--bd-accent-strong); }
.bd-labels { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.bd-labels span { padding-block: 0.3rem; padding-inline: 0.55rem; background: var(--bd-surface-strong); color: var(--bd-muted); }
.bd-status { padding-block: 0.33rem; padding-inline: 0.6rem; background: var(--bd-positive-soft); color: var(--bd-positive); font-weight: 750; }
.bd-pin { padding-block: 0.33rem; padding-inline: 0.6rem; background: var(--bd-warning-soft); color: var(--bd-warning); font-weight: 750; }
.bd-pending { padding-block: 0.33rem; padding-inline: 0.6rem; background: var(--sunken); color: var(--pending); font-weight: 750; }
.bd-rule { margin-block: 1rem 0; margin-inline: 0; color: var(--bd-muted); font-size: 0.85rem; }