/*
 * Optional language exploration + thematic resonance.
 * Marks only appear when the reader opts in (data-language-explore="on").
 * Drawn like pencil underlines in a field guide — not highlighter yellow.
 */

.language-explore-panel {
  display: grid;
  gap: 0.46rem;
  border: 1px dashed color-mix(in srgb, var(--theme-accent-main, #2a6f7f) 40%, transparent);
  border-radius: var(--border-radius-small);
  background: color-mix(in srgb, var(--theme-paper, #fffcf6) 90%, transparent);
  padding: 0.72rem;
}

.language-explore-panel[data-invite='true'] {
  border-style: solid;
  border-color: color-mix(in srgb, var(--theme-accent-main, #2a6f7f) 55%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--theme-accent-main, #2a6f7f) 12%, transparent);
}

.language-explore-panel[data-active='true'] {
  border-style: solid;
  background: color-mix(
    in srgb,
    var(--theme-paper, #fffcf6) 82%,
    var(--theme-accent-main, #2a6f7f) 18%
  );
}

.language-explore-panel h2 {
  font-size: 0.95rem;
  margin: 0;
}

.language-explore-intro,
.language-explore-status,
.language-resonance-note {
  margin: 0;
  color: var(--color-text-alt, #4a5568);
  font-size: 0.83rem;
  line-height: 1.45;
}

.language-explore-spw {
  margin: 0;
  font-size: 0.78rem;
  opacity: 0.86;
}

.language-explore-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

.language-explore-toggle {
  appearance: none;
  border: var(--interactive-border, 1px solid color-mix(in srgb, var(--theme-accent-main) 40%, transparent));
  border-radius: var(--border-radius-pill, 999px);
  background: var(--interactive-bg, color-mix(in srgb, var(--theme-paper) 88%, transparent));
  color: var(--color-accent-alt, #1c4f63);
  font-family: var(--font-family-heading, monospace);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  padding: 0.42rem 0.86rem;
  cursor: pointer;
  transition: background 160ms ease, box-shadow 160ms ease, color 160ms ease;
}

.language-explore-toggle:hover,
.language-explore-toggle:focus-visible {
  background: var(--interactive-bg-hover, color-mix(in srgb, var(--theme-accent-main) 16%, var(--theme-paper)));
  outline: 2px solid var(--interactive-outline, var(--theme-accent-main));
  outline-offset: 2px;
}

.language-explore-toggle[aria-pressed='true'] {
  background: color-mix(in srgb, var(--theme-accent-main, #2a6f7f) 22%, var(--theme-paper, #fffcf6));
  color: var(--theme-accent-alt, #1c4f63);
}

.language-theme-list {
  list-style: none;
  margin: 0.15rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.language-theme-chip {
  appearance: none;
  border: 1px solid color-mix(in srgb, var(--theme-accent-main, #2a6f7f) 34%, transparent);
  border-radius: var(--border-radius-pill, 999px);
  background: color-mix(in srgb, var(--theme-paper, #fffcf6) 92%, transparent);
  color: color-mix(in srgb, var(--theme-ink, #1a2233) 88%, transparent);
  font-family: var(--font-family-heading, monospace);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.62rem;
  cursor: pointer;
}

.language-theme-chip[aria-pressed='true'],
.language-theme-chip:hover,
.language-theme-chip:focus-visible {
  border-color: var(--theme-accent-main, #2a6f7f);
  background: color-mix(in srgb, var(--theme-accent-main, #2a6f7f) 18%, var(--theme-paper, #fffcf6));
  outline: none;
}

/* ─── In-prose marks (only when exploration is on) ─────────── */

mark.lang-mark {
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0 0.05em;
  border-radius: 0.12em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.18em;
  text-decoration-color: color-mix(in srgb, var(--theme-accent-main, #2a6f7f) 55%, transparent);
  transition:
    background-color 160ms ease,
    text-decoration-color 160ms ease,
    box-shadow 160ms ease,
    opacity 160ms ease;
}

mark.lang-mark:hover,
mark.lang-mark:focus-visible {
  background: color-mix(in srgb, var(--theme-accent-main, #2a6f7f) 14%, transparent);
  text-decoration-style: solid;
  text-decoration-color: var(--theme-accent-main, #2a6f7f);
  outline: none;
}

/* Theme-tinted underlines for a few well-known civic threads */
mark.lang-mark[data-theme='promise'] {
  text-decoration-color: color-mix(in srgb, #c08b2d 70%, var(--theme-accent-main) 30%);
}
mark.lang-mark[data-theme='reward'] {
  text-decoration-color: color-mix(in srgb, #94404c 65%, var(--theme-accent-main) 35%);
}
mark.lang-mark[data-theme='audience'] {
  text-decoration-color: color-mix(in srgb, #4c7f58 70%, var(--theme-accent-main) 30%);
}
mark.lang-mark[data-theme='motif'],
mark.lang-mark[data-theme='wonder'] {
  text-decoration-color: color-mix(in srgb, #2a6f7f 80%, #c08b2d 20%);
}
mark.lang-mark[data-theme='guide'] {
  text-decoration-color: color-mix(in srgb, #2e5f86 75%, transparent);
}
mark.lang-mark[data-theme='voice'] {
  text-decoration-color: color-mix(in srgb, #78883f 70%, transparent);
}
mark.lang-mark[data-theme='memory'] {
  text-decoration-color: color-mix(in srgb, #5b3a6e 65%, transparent);
}

/* Thematic resonance: focused family lights; others quiet */
#chapter-content[data-resonance-theme] mark.lang-mark.is-resonant,
main.chapter[data-resonance-theme] mark.lang-mark.is-resonant {
  background: color-mix(in srgb, var(--theme-accent-main, #2a6f7f) 18%, transparent);
  text-decoration-style: solid;
  text-decoration-thickness: 2px;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--theme-accent-main, #2a6f7f) 16%, transparent);
}

#chapter-content[data-resonance-theme] mark.lang-mark.is-quiet,
main.chapter[data-resonance-theme] mark.lang-mark.is-quiet {
  opacity: 0.42;
  text-decoration-color: color-mix(in srgb, var(--theme-ink, #1a2233) 22%, transparent);
}

mark.lang-mark.is-filtered-out,
mark.lang-mark[data-dimmed='true'] {
  opacity: 0.28;
  text-decoration-color: color-mix(in srgb, var(--theme-ink, #1a2233) 18%, transparent);
}

/* Explore tuning: slightly denser texture invite, still optional */
html[data-tuning='explore'] .language-explore-panel:not([data-active='true']) {
  border-style: solid;
}

@media (prefers-reduced-motion: reduce) {
  mark.lang-mark,
  .language-explore-toggle {
    transition: none;
  }
}

@media print {
  .language-explore-panel {
    display: none;
  }

  mark.lang-mark {
    background: transparent !important;
    box-shadow: none !important;
    text-decoration: none !important;
    opacity: 1 !important;
    color: inherit !important;
  }
}