/**
 * KoreAves reference-document layout
 *
 * Single visual owner for Guide / FAQ / Dataset / Methodology / Source register
 * and source-detail pages. The outer page frame stays owned by surfaceShell;
 * this file owns only the internal Learn/reference composition.
 */

.reference-main {
  width: 100%;
  min-width: 0;
  margin: 0 0 var(--ka-space-64);
}

.reference-gateway {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ka-space-8) var(--ka-space-20);
  margin: 0;
  padding: 0 0 var(--ka-space-16);
  border-bottom: var(--ka-border-hairline);
}

.reference-gateway a {
  color: var(--ka-color-evidence-present-ink);
  font-size: var(--ka-text-annotation);
  font-weight: 700;
  text-decoration: none;
}

.reference-gateway a[aria-current="page"] {
  color: var(--ka-color-ink-primary);
  text-decoration: underline;
  text-underline-offset: var(--ka-space-4);
}

.reference-section {
  display: grid;
  grid-template-columns: var(--ka-width-reference-rail) minmax(0, 1fr);
  column-gap: var(--ka-space-40);
  align-items: start;
  padding: var(--ka-space-32) 0;
  border-top: var(--ka-border-hairline);
}

.reference-gateway + .reference-section {
  border-top: 0;
}

.reference-section > h2 {
  grid-column: 1;
  margin: 0;
  color: var(--ka-color-ink-primary);
  font-family: var(--ka-font-latin-serif);
  font-size: clamp(1.3125rem, 2.2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.25;
}

.reference-section > :not(h2) {
  grid-column: 2;
  min-width: 0;
}

.reference-section > p,
.reference-reading-block,
.reference-bullets,
.reference-citation,
.reference-code-line,
.reference-external-link {
  max-width: var(--ka-width-reading-max);
}

.reference-section > p,
.reference-citation,
.reference-code-line,
.reference-external-link {
  margin: 0 0 var(--ka-space-16);
  line-height: var(--ka-line-body);
}

.reference-section > p:last-child,
.reference-citation:last-child,
.reference-code-line:last-child,
.reference-external-link:last-child {
  margin-bottom: 0;
}

.reference-definition-list,
.source-reference-list {
  width: 100%;
  margin: 0;
  border-top: var(--ka-border-hairline);
}

.reference-definition-list > div,
.source-reference-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(0, 1.3fr);
  gap: var(--ka-space-24);
  padding: var(--ka-space-16) 0;
  border-bottom: var(--ka-border-hairline);
}

.reference-definition-list dt {
  font-weight: 700;
}

.reference-definition-list dd {
  margin: 0;
  color: var(--ka-color-ink-quiet);
  line-height: var(--ka-line-body);
}

.source-reference-row > div > strong,
.source-reference-row > div > a {
  display: block;
  color: var(--ka-color-evidence-present-ink);
  font-weight: 700;
}

.source-reference-row > div > span {
  display: block;
  margin-top: var(--ka-space-4);
  color: var(--ka-color-ink-quiet);
  font-family: var(--ka-font-mono);
  font-size: var(--ka-text-micro);
  line-height: var(--ka-line-micro);
}

.source-reference-row p {
  max-width: var(--ka-width-reading-max);
  margin: 0;
  color: var(--ka-color-ink-quiet);
  line-height: var(--ka-line-body);
}

.reference-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ka-space-8) var(--ka-space-20);
  margin-top: var(--ka-space-20);
  padding-top: var(--ka-space-16);
  border-top: var(--ka-border-hairline);
}

.reference-links a,
.reference-external-link a,
.reference-manifest-link {
  color: var(--ka-color-evidence-present-ink);
  font-weight: 700;
  text-decoration: none;
}

.reference-bullets {
  margin: 0;
  padding-left: var(--ka-space-20);
  line-height: var(--ka-line-body);
}

.reference-bullets li + li {
  margin-top: var(--ka-space-8);
}

.reference-note {
  max-width: var(--ka-width-reading-max);
  margin: var(--ka-space-16) 0 0;
  padding: var(--ka-space-16);
  border: 1px solid var(--ka-color-annotation-caution-border);
  background: var(--ka-color-annotation-caution-fill);
  color: var(--ka-color-annotation-caution-ink);
  font-size: var(--ka-text-annotation);
  line-height: var(--ka-line-annotation);
}

.reference-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--ka-space-12);
  width: 100%;
  margin-top: 0;
}

.reference-metric {
  min-width: 0;
  padding: var(--ka-space-16);
  border: var(--ka-border-hairline);
  background: var(--ka-color-evidence-none-tint);
}

.reference-metric span {
  display: block;
  color: var(--ka-color-ink-quiet);
  font-size: var(--ka-text-data-label);
  line-height: var(--ka-line-data-label);
}

.reference-metric strong {
  display: block;
  margin-top: var(--ka-space-4);
  font-family: var(--ka-font-mono);
  font-size: var(--ka-text-data-metric);
  font-weight: var(--ka-weight-data-metric);
  line-height: var(--ka-line-data-metric);
  overflow-wrap: anywhere;
}

.reference-metric .reference-metric-text {
  max-width: 34ch;
  font-size: var(--ka-text-annotation);
  line-height: var(--ka-line-annotation);
  text-align: left;
}

.reference-section code {
  overflow-wrap: anywhere;
  font-family: var(--ka-font-mono);
  font-size: 0.86em;
}

@media (max-width: 1023px) {
  .reference-section {
    grid-template-columns: 1fr;
    row-gap: var(--ka-space-16);
    padding: var(--ka-space-24) 0;
  }

  .reference-section > h2,
  .reference-section > :not(h2) {
    grid-column: 1;
  }
}

@media (max-width: 760px) {
  .reference-definition-list > div,
  .source-reference-row {
    grid-template-columns: 1fr;
    gap: var(--ka-space-8);
  }

  .reference-metric-grid {
    grid-template-columns: 1fr;
  }

  .reference-gateway {
    gap: var(--ka-space-8) var(--ka-space-16);
  }
}


/* Contact is part of the reference-document family. The form keeps the same
   reading width and rule-based hierarchy instead of introducing card/CTA chrome. */
.reference-form {
  width: 100%;
  max-width: var(--ka-width-reading-max);
  margin: 0;
}

.reference-form-field,
.reference-form-fields {
  padding: var(--ka-space-16) 0;
  border: 0;
  border-top: var(--ka-border-hairline);
}

.reference-form-field:first-child {
  padding-top: 0;
  border-top: 0;
}

.reference-form-field label,
.reference-form-fields legend {
  display: block;
  margin-bottom: var(--ka-space-8);
  color: var(--ka-color-ink-primary);
  font-size: var(--ka-text-data-label);
  font-weight: 700;
  line-height: var(--ka-line-data-label);
}

.reference-form-field label span {
  color: var(--ka-color-ink-quiet);
  font-weight: 400;
}

.reference-form input,
.reference-form select,
.reference-form textarea {
  box-sizing: border-box;
  width: 100%;
  border: 1px solid var(--ka-color-rule-subtle);
  border-radius: var(--ka-radius-sm);
  background: var(--ka-color-paper-surface);
  color: var(--ka-color-ink-primary);
  font: inherit;
}

.reference-form input,
.reference-form select {
  min-height: 44px;
  padding: 0 var(--ka-space-12);
}

.reference-form textarea {
  min-height: 152px;
  padding: var(--ka-space-12);
  resize: vertical;
  line-height: var(--ka-line-body);
}

.reference-form input:focus-visible,
.reference-form select:focus-visible,
.reference-form textarea:focus-visible {
  outline: 2px solid var(--ka-color-focus-ring);
  outline-offset: 2px;
  border-color: var(--ka-color-rule-strong);
}

.reference-form-fields {
  margin: 0;
}

.reference-form-fields[hidden] {
  display: none;
}

.reference-form-check {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: var(--ka-space-10);
  align-items: start;
  margin-top: var(--ka-space-8);
  color: var(--ka-color-ink-secondary);
  font-size: var(--ka-text-annotation);
  line-height: var(--ka-line-annotation);
}

.reference-form-check input {
  width: 18px;
  min-height: 18px;
  margin: 2px 0 0;
}

.reference-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ka-space-12) var(--ka-space-16);
  padding-top: var(--ka-space-16);
  border-top: var(--ka-border-hairline);
}

.reference-form-actions button {
  min-height: 44px;
  padding: 0 var(--ka-space-16);
  border: 1px solid var(--ka-color-rule-strong);
  border-radius: var(--ka-radius-sm);
  background: var(--ka-color-ink-primary);
  color: var(--ka-color-ink-inverse);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.reference-form-actions button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.reference-form-actions button:focus-visible {
  outline: 2px solid var(--ka-color-focus-ring);
  outline-offset: 2px;
}

.reference-form-status {
  min-height: 1.4em;
  margin: 0;
  color: var(--ka-color-ink-quiet);
  font-size: var(--ka-text-annotation);
  line-height: var(--ka-line-annotation);
}

.reference-form-status[data-state="success"] {
  color: var(--ka-color-evidence-present-ink);
}

.reference-form-status[data-state="error"] {
  color: var(--ka-color-annotation-caution-ink);
}

.contact-honeypot {
  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;
}

@media (max-width: 760px) {
  .reference-form-actions {
    align-items: stretch;
  }

  .reference-form-actions button {
    width: 100%;
  }
}