/* OQ! (oqaatsit) demo — semantic CSS consuming --kc-* theme variables */

/* ── Base ────────────────────────────────────────────────────────────────────── */
:root                   { color-scheme: dark; }
:root[data-theme=light] { color-scheme: light; }

/* Slightly larger type everywhere except the smallest screens
   (phones < 480px get their own bump in the mobile media block) */
@media (min-width: 480px) {
  html { font-size: 112.5%; }
}

/* Eliminate 300ms tap delay on mobile browsers */
button, [role="tab"], [role="button"] {
  touch-action: manipulation;
}

body {
  background: var(--kc-bg);
  color: var(--kc-text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.font-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.hidden { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.col-span-full { grid-column: 1 / -1; }

/* ── Layout ──────────────────────────────────────────────────────────────────── */
.page-wrapper {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 2rem 2rem;  /* top padding moved into .sticky-chrome */
  overflow-x: clip;      /* prevent wide child content from widening the viewport */
}

.main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .main-grid { grid-template-columns: 3fr 2fr; }
}

/* ── Sticky chrome (header + search row) ────────────────────────────────────── */
.sticky-chrome {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--kc-bg);
  border-bottom: 1px solid transparent;
  padding-top: 1.5rem;
  padding-bottom: 0.5rem;
  margin-bottom: 0.75rem;
  transition: padding 0.2s ease, border-color 0.2s ease;
}

.sticky-chrome--compact {
  padding-top: 0.375rem;
  padding-bottom: 0.375rem;
  border-color: var(--kc-border);
}

/* ── Header ──────────────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.header-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.1;
  transition: font-size 0.2s ease, line-height 0.2s ease;
  text-wrap: balance;
}

.sticky-chrome--compact .header-title {
  font-size: 1.125rem;
  line-height: 1;
}



/* ── Theme picker ─────────────────────────────────────────────────────────────── */
.picker-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.picker-label { font-size: 0.875rem; font-weight: 600; color: var(--kc-text); text-wrap: balance; }

.picker-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.picker-select { flex: 1; min-width: 0; }

.btn-secondary {
  padding: 0.5rem 1rem;
  background: var(--kc-bg-input);
  border: 1px solid var(--kc-border);
  border-radius: 0.75rem;
  font-size: 0.875rem;
  color: var(--kc-text-muted);
  cursor: pointer;
  transition: border-color 0.1s, color 0.1s;
  white-space: nowrap;
}

.btn-secondary:hover { border-color: var(--kc-text-faint); color: var(--kc-text); }

.btn-secondary--danger {
  border-color: var(--kc-danger, #f87171);
  color: var(--kc-danger, #f87171);
}
.btn-secondary--danger:hover { border-color: var(--kc-danger, #f87171); color: var(--kc-danger, #f87171); }

/* ── Tab strip ───────────────────────────────────────────────────────────────── */
.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.tab-strip {
  display: flex;
  flex-wrap: wrap;
  background: var(--kc-bg-input);
  border-radius: 0.75rem;
  padding: 0.125rem;
  gap: 0.125rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.tab-btn {
  padding: 0.375rem 0.75rem;
  border-radius: 0.5rem;
  color: var(--kc-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.tab-btn:hover    { color: var(--kc-text); }
.tab-btn--active  { background: var(--kc-bg-tab-active); color: var(--kc-text); }

.source-badge {
  font-size: 0.75rem;
  padding: 0.125rem 0.5rem;
  background: var(--kc-bg-input);
  border-radius: 0.25rem;
  color: var(--kc-text-muted);
}

/* ── Form elements ───────────────────────────────────────────────────────────── */
.search-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.search-row > .input-field { flex: 1; }

/* The custom × replaces the native one */
.search-input::-webkit-search-cancel-button { display: none; }

/* Wrapper that hosts the inline clear (×) button inside the search bar */
.search-wrap {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.search-wrap .input-field {
  flex: 1;
  padding-right: 2.5rem;
  font-size: 1rem;
  /* No margin — layout is handled by .search-row */
  margin: 0;
}

.search-clear {
  position: absolute;
  right: 0.375rem;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: 0.5rem;
  color: var(--kc-text-muted);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.search-clear svg { width: 1rem; height: 1rem; }

.search-clear:not(:disabled):hover { color: var(--kc-danger); }

.search-clear:disabled {
  color: var(--kc-text-very-faint);
  cursor: default;
}

.search-clear:focus-visible {
  outline: 2px solid var(--kc-accent);
  outline-offset: 2px;
}

/* Filter + clear-filter icon buttons sit inline with the search bar;
   match the input's height so the row stays on one line at all widths */
.search-row .icon-btn {
  flex-shrink: 0;
  align-self: stretch;
  height: auto;
}

/* "random word" link-style button inside the "Type to search" empty state */
.btn-random-inline {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--kc-accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-random-inline:hover { color: var(--kc-accent-hover); }

.btn-random-inline:focus-visible {
  outline: 2px solid var(--kc-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.input-field {
  width: 100%;
  background: var(--kc-bg-input);
  border: 1px solid var(--kc-border);
  border-radius: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--kc-text);
  outline: none;
  box-sizing: border-box;
  display: block;
  color-scheme: inherit;
}

.input-field::placeholder { color: var(--kc-text-faint); }
.input-field:focus         { border-color: var(--kc-text-faint); }

.input-field--dark           { background: var(--kc-bg-input-focus); }
.input-field--dark:focus     { border-color: var(--kc-accent-hover); }

.select-field {
  background: var(--kc-bg-input);
  border: 1px solid var(--kc-border);
  border-radius: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--kc-text);
  outline: none;
  cursor: pointer;
  color-scheme: inherit;
}

.select-field:focus { border-color: var(--kc-text-faint); }

@supports (appearance: base-select) {
  .select-field {
    appearance: base-select;
  }

  .select-field::picker-icon {
    color: var(--kc-text-faint);
    transition: rotate 0.2s ease;
  }

  .select-field:open::picker-icon {
    rotate: 180deg;
  }

  .select-field::picker(select) {
    background: var(--kc-bg-card);
    border: 1px solid var(--kc-border-card);
    border-radius: 0.75rem;
    padding: 0.25rem;
    box-shadow: 0 8px 24px -4px color-mix(in srgb, currentColor 12%, transparent);
  }

  .select-field option {
    background: transparent;
    color: var(--kc-text);
    padding: 0.375rem 0.625rem;
    border-radius: 0.5rem;
    cursor: pointer;
  }

  .select-field option:hover,
  .select-field option:focus {
    background: color-mix(in srgb, var(--kc-accent) 12%, transparent);
  }

  .select-field option:checked {
    background: color-mix(in srgb, var(--kc-accent) 20%, transparent);
    font-weight: 500;
  }
}

/* ── Scroll area ─────────────────────────────────────────────────────────────── */
.scroll-area {
  overflow-y: auto;
  border-radius: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--kc-border) transparent;
}

.scroll-area::-webkit-scrollbar { width: 6px; }
.scroll-area::-webkit-scrollbar-track { background: transparent; }
.scroll-area::-webkit-scrollbar-thumb {
  background: var(--kc-border);
  border-radius: 3px;
}
.scroll-area::-webkit-scrollbar-thumb:hover { background: var(--kc-text-faint); }

/* ── Preset / morpheme grids ─────────────────────────────────────────────────── */
.preset-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: 0.25rem;
}

@media (min-width: 640px) {
  .preset-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.preset-card,
.morpheme-card {
  text-align: left;
  background: var(--kc-bg-card);
  border: 1px solid var(--kc-border-card);
  border-radius: 1rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 0; /* grid items default to min-width:auto; reset so 1fr columns are respected */
}

.preset-card   { border-left-width: 3px; border-left-color: var(--preset-border, var(--kc-border)); position: relative; }

/* Bookmark star, top-right of each dictionary card */
.card-star {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: 0.375rem;
  color: var(--kc-text-faint);
  cursor: pointer;
  padding: 0;
}

.card-star svg {
  width: 1rem;
  height: 1rem;
  fill: none;
}

.card-star:hover { color: var(--kc-accent); }

.card-star:focus-visible {
  outline: 2px solid var(--kc-accent);
  outline-offset: 2px;
}

.card-star--active { color: var(--kc-accent); }
.card-star--active svg { fill: currentColor; }

/* Keep long headwords clear of the star */
.preset-card .card-word { padding-right: 2.25rem; }

.preset-card:hover {
  background: var(--kc-bg-input);
  border-color: var(--kc-border);
  /* border-color shorthand above resets all four edges — keep the
     word-class indicator on the left edge */
  border-left-color: var(--preset-border, var(--kc-border));
  transform: translateY(-1px);
  box-shadow: 0 10px 15px -3px color-mix(in srgb, var(--kc-accent-hover) 10%, transparent);
}

.morpheme-card:hover {
  background: var(--kc-bg-input);
  border-color: var(--kc-border-accent);
  transform: translateY(-1px);
}

.card-word {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.875rem;
  color: var(--kc-text);
  transition: color 0.1s;
  overflow-wrap: break-word; /* fallback for edge cases where no soft hyphen lands */
  hyphens: manual; /* use soft hyphens injected by syllabify() */
}

.preset-card:hover  .card-word,
.morpheme-card:hover .card-word { color: var(--kc-accent); }

.card-gloss   { font-size: 0.625rem; color: var(--preset-text, var(--kc-text-muted)); margin-top: 0.125rem; }
.card-desc    { font-size: 0.625rem; color: var(--kc-text-faint); margin-top: 0.25rem; }
.card-seq     { margin-top: 0.75rem; font-size: 0.5625rem; color: var(--kc-text-faint); }

.card-type-label { font-size: 0.625rem; color: var(--kc-text-muted); }

.card-meta {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.card-example {
  margin-top: 0.5rem;
  font-size: 0.5625rem;
  color: var(--kc-text-faint);
  font-style: italic;
  border-left: 2px solid var(--kc-border);
  padding-left: 0.5rem;
}

/* ── Pill ────────────────────────────────────────────────────────────────────── */
.pill {
  font-size: 0.5625rem;
  padding: 0.125rem 0.375rem;
  background: var(--kc-bg-input);
  color: var(--kc-text-muted);
  border-radius: 0.375rem;
}

/* ── Status / attribution ────────────────────────────────────────────────────── */
.status-msg {
  font-size: 0.75rem;
  color: var(--kc-text-faint);
  font-style: italic;
  padding: 0.5rem;
}

.error-text {
  font-size: 0.75rem;
  color: var(--kc-danger);
  font-style: italic;
  padding: 0.5rem;
}

.attribution { font-size: 0.5625rem; color: var(--kc-text-very-faint); margin-top: 0.5rem; }

/* ── Custom Builder ──────────────────────────────────────────────────────────── */
.section-title { font-size: 1.25rem; font-weight: 600; margin-bottom: 1rem; text-wrap: balance; }

.builder-card {
  background: var(--kc-bg-card);
  border: 1px solid var(--kc-border-card);
  border-radius: 1rem;
  padding: 1.25rem;
}

.form-section > * + * { margin-top: 1rem; }

.form-label {
  display: block;
  font-size: 0.75rem;
  color: var(--kc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.375rem;
  text-wrap: balance;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.add-btn {
  width: 100%;
  padding: 0.625rem 0;
  background: var(--kc-btn-primary);
  color: var(--kc-btn-primary-text);
  font-weight: 600;
  border-radius: 1rem;
  border: none;
  font-size: 0.875rem;
  cursor: pointer;
  transition: transform 0.1s;
}

.add-btn:active { transform: scale(0.985); }

/* ── Sequence ────────────────────────────────────────────────────────────────── */
.seq-section { margin-top: 1.5rem; }

.seq-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--kc-text-muted);
  margin-bottom: 0.5rem;
}

.clear-btn {
  background: none;
  border: none;
  color: var(--kc-text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0;
  transition: color 0.1s;
}

.clear-btn:hover { color: var(--kc-danger); }

.sequence-list {
  min-height: 7.5rem;
  background: var(--kc-bg-input-focus);
  border: 1px solid var(--kc-border-card);
  border-radius: 1rem;
  padding: 0.75rem;
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.sequence-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--kc-bg-input);
  padding: 0.375rem 0.75rem;
  border-radius: 0.75rem;
  font-size: 0.75rem;
}

.remove-btn {
  background: none;
  border: none;
  color: var(--kc-danger);
  cursor: pointer;
  padding: 0 0.25rem;
  transition: color 0.1s;
  line-height: 1;
}

.remove-btn:hover { color: var(--kc-danger-hover); }

/* ── Build button ────────────────────────────────────────────────────────────── */
.build-btn {
  margin-top: 1rem;
  width: 100%;
  padding: 0.75rem 0;
  background: var(--kc-accent-action);
  color: var(--kc-text);
  font-weight: 600;
  border-radius: 1rem;
  border: none;
  font-size: 0.875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background 0.1s;
}

.build-btn:hover { background: var(--kc-accent-hover); }

/* ── Result ──────────────────────────────────────────────────────────────────── */
#result { animation: fadeIn 0.2s ease forwards; }

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

.result-box {
  margin-top: 2rem;
  background: var(--kc-bg-card);
  border: 1px solid var(--kc-border-card);
  border-radius: 1.5rem;
  padding: 2rem;
}

.result-header { display: flex; align-items: center; gap: 0.75rem; }

.result-label {
  font-size: 0.875rem;
  color: var(--kc-accent);
}

.result-word {
  font-size: 1.875rem;
  font-weight: 600;
  color: var(--kc-text);
  hyphens: manual;
}

.result-meta { margin-top: 0.75rem; font-size: 0.75rem; color: var(--kc-text-muted); }

.result-expected { color: var(--kc-accent); }

.result-footer {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--kc-border-card);
  font-size: 0.625rem;
  color: var(--kc-text-faint);
}

/* ── Legend section ──────────────────────────────────────────────────────────── */
.legend-section {
  margin-top: 3rem;
  background: var(--kc-bg-card);
  border: 1px solid var(--kc-border-card);
  border-radius: 1.5rem;
  padding: 2rem;
}

/* ── Word-class legend tree ──────────────────────────────────────────────────── */
.legend-header {
  margin-bottom: 20px;
}

.legend-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--legend-heading-color, var(--kc-text));
  margin-bottom: 4px;
}

.legend-subtitle {
  font-size: 0.7rem;
  color: var(--legend-subtitle-color, var(--kc-text-muted));
  margin: 0;
}

.legend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: 20px;
  align-items: start;
}

.legend-col {
  padding: 0;
  list-style: none;
  margin: 0;
}

.legend-node {
  margin-bottom: 4px;
  list-style: none;
}

.legend-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border-radius: 10px;
  border-left: 3px solid var(--legend-border, var(--kc-border));
  background: var(--legend-fill, transparent);
}

.legend-row[role="button"] {
  cursor: pointer;
}

.legend-row--expanded {
  flex-wrap: wrap;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--legend-border, var(--kc-border));
  flex-shrink: 0;
}

.legend-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--legend-text, var(--kc-text));
  white-space: nowrap;
}

.legend-desc {
  font-size: 0.68rem;
  color: var(--legend-desc-color, var(--kc-text-faint));
  margin-left: auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 340px;
  flex-shrink: 1;
  min-width: 0;
}

.legend-desc--expanded {
  white-space: normal;
  max-width: none;
  flex-basis: 100%;
  margin-left: 0;
}

.legend-nested {
  margin-left: 18px;
  padding-left: 10px;
  border-left: 1px solid var(--legend-connector-color, var(--kc-text-faint));
  margin-top: 4px;
  list-style: none;
  padding-right: 0;
}

/* ── Footer ──────────────────────────────────────────────────────────────────── */
.page-footer {
  margin-top: 4rem;
  text-align: center;
  font-size: 0.625rem;
  color: var(--kc-text-very-faint);
}

.footer-link { color: inherit; text-decoration: underline; transition: color 0.1s; }
.footer-link:hover { color: var(--kc-text-muted); }

/* ── Scroll-area heights ─────────────────────────────────────────────────── */
/* Lexeme list: body scrolls, cards flow to natural length */
.scroll-area--lexeme   { height: auto; overflow-y: visible; }
.scroll-area--morpheme { height: 436px; }

/* Always-visible styled scrollbar on the page scroller.
   Non-transparent track forces WebKit off its overlay (fade-on-idle) style. */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--kc-border) var(--kc-bg-input);
}
html::-webkit-scrollbar        { width: 6px; }
html::-webkit-scrollbar-track  {
  background: var(--kc-bg-input);
  border-radius: 3px;
}
html::-webkit-scrollbar-thumb  {
  background: var(--kc-border);
  border-radius: 3px;
}

/* ── Mobile scale-down (≤ 767px) ─────────────────────────────────────────── */
@media (max-width: 767px) {
  .page-wrapper { padding: 1.25rem 1rem; }

  .main-grid { gap: 1.5rem; }

  .scroll-area--morpheme {
    height: clamp(260px, 52vh, 440px);
    height: clamp(260px, 52dvh, 440px);
  }

  .result-box    { padding: 1.5rem; margin-top: 1.5rem; }
  .legend-section { padding: 1.5rem; margin-top: 2rem; }

  /* Touch target for icon buttons — 2rem (≈32px) is below the 44px minimum */
  .icon-btn { width: 2.75rem; height: 2.75rem; }
}

/* ── Cover / foldable outer screen (≤ 320px) — bottom sheet modal ───────── */
@media (max-width: 320px) {
  dialog.modal-dialog {
    width: 100%;
    max-width: 100%;
    margin: auto 0 0;
    border-radius: 1.25rem 1.25rem 0 0;
  }
  dialog.modal-dialog[open] {
    height: 90dvh;
  }
}

/* ── Narrow phone (≤ 479px) ─────────────────────────────────────────────── */
@media (max-width: 479px) {
  /* Nudge all rem-based text up by bumping the root font size */
  html { font-size: 106.25%; }

  .header-title { font-size: 1.5rem; }

  /* Tighter side padding — content runs closer to the screen edge */
  .page-wrapper { padding-left: 0.625rem; padding-right: 0.625rem; }

  .page-header { flex-direction: column; align-items: flex-start; }

  /* Header stacks vertically on tiny phones — sticky chrome gets taller,
     so pull back the top padding to save vertical space.
     :not(.sticky-chrome--compact) avoids overriding the compacted state. */
  .sticky-chrome:not(.sticky-chrome--compact) { padding-top: 0.75rem; }

  /* Stretch tab strip across full width and give buttons a comfortable tap area */
  .panel-top  { flex-wrap: wrap; row-gap: 0.5rem; }
  .tab-strip  { flex: 1 1 100%; }
  .tab-btn    { flex: 1; text-align: center; padding-top: 0.5rem; padding-bottom: 0.5rem; }

  /* Stack the two-column form row */
  .form-row   { grid-template-columns: 1fr; }
  /* Do NOT stack the dictionary search row — it must stay on one line */

  .builder-card   { padding: 1rem; }
  .result-box     { padding: 1rem; margin-top: 1.25rem; }
  .legend-section { padding: 1rem; margin-top: 1.5rem; }
}

/* ── Icon toolbar ────────────────────────────────────────────────────────────── */
.icon-toolbar {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  border: 1px solid var(--kc-border);
  background: var(--kc-bg-input);
  color: var(--kc-text-muted);
  cursor: pointer;
  transition: background 0.1s, color 0.1s, border-color 0.1s;
  padding: 0;
  flex-shrink: 0;
}

.icon-btn:hover {
  background: var(--kc-bg-tab-active);
  color: var(--kc-text);
  border-color: var(--kc-text-faint);
}

.icon-btn:focus-visible {
  background: var(--kc-bg-tab-active);
  color: var(--kc-text);
  border-color: var(--kc-text-faint);
  outline: 2px solid var(--kc-accent);
  outline-offset: 2px;
}

.icon-btn--active {
  background: var(--kc-bg-tab-active);
  color: var(--kc-accent);
  border-color: var(--kc-accent);
}

.icon-btn--active:hover {
  color: var(--kc-accent);
  border-color: var(--kc-accent);
}

.icon-btn svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.toolbar-divider {
  display: inline-block;
  width: 1px;
  height: 1.25rem;
  background: var(--kc-border);
  margin: 0 0.125rem;
}

/* Prevent any overflowing content from widening the layout viewport and
   the initial containing block that top-layer elements (dialog) size against.
   scrollbar-gutter: stable permanently reserves scrollbar space so opening
   a modal never triggers a layout shift. */
html { overflow-x: clip; scrollbar-gutter: stable; }

/* ── Modal dialog (shared) ───────────────────────────────────────────────────── */
/* Target html (not body): body's overflow won't propagate to the viewport
   scroll container when html already has an explicit overflow-x set. */
html:has(dialog[open]) { overflow-y: hidden; }

dialog.modal-dialog {
  box-sizing: border-box;
  margin: auto;
  width: min(640px, calc(100% - 2rem));
  max-width: calc(100% - 2rem);
  max-height: calc(100dvh - 4rem);
  background: var(--kc-bg-card);
  color: var(--kc-text);
  border: 1px solid var(--kc-border-card);
  border-radius: 1.25rem;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 24px 48px -12px rgb(0 0 0 / 0.5);
}

dialog.modal-dialog[open] {
  display: flex;
  flex-direction: column;
  /* Explicit height so flex: 1 on .modal-body has a container to fill.
     Without this, the auto-height dialog gives modal-body nothing to grow into
     and it collapses to its flex-basis (0) due to min-height: 0. */
  height: min(720px, calc(100dvh - 4rem));
  animation: modal-in 0.15s ease forwards;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}

dialog.modal-dialog::backdrop {
  background: rgb(0 0 0 / 0.45);
  backdrop-filter: blur(8px) saturate(0.7);
  animation: backdrop-in 0.15s ease forwards;
}

@keyframes backdrop-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Replace animation-only approach with transitions that handle both open and
   close for browsers that support @starting-style + transition-behavior. */
@supports (transition-behavior: allow-discrete) {
  dialog.modal-dialog {
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
    transition:
      opacity    0.15s ease,
      transform  0.15s ease,
      display    0.15s allow-discrete,
      overlay    0.15s allow-discrete;
  }

  dialog.modal-dialog[open] {
    animation: none;
    opacity: 1;
    transform: none;
  }

  @starting-style {
    dialog.modal-dialog[open] {
      opacity: 0;
      transform: translateY(-8px) scale(0.98);
    }
  }

  dialog.modal-dialog::backdrop {
    opacity: 0;
    animation: none;
    transition:
      opacity  0.15s ease,
      display  0.15s allow-discrete,
      overlay  0.15s allow-discrete;
  }

  dialog.modal-dialog[open]::backdrop {
    opacity: 1;
  }

  @starting-style {
    dialog.modal-dialog[open]::backdrop {
      opacity: 0;
    }
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.25rem 0;
  flex-shrink: 0;
}

.modal-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--kc-text);
  hyphens: manual;
}

.modal-close {
  flex-shrink: 0;
}

.modal-body {
  padding: 1rem 1.25rem 1.25rem;
  overflow: hidden auto;
  overscroll-behavior: contain;
  flex: 1;
  min-height: 0;
}

.modal-section + .modal-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--kc-border-card);
}

.modal-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--kc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  text-wrap: balance;
}

/* Two selector groups (Colour Mode, Preview Animation) on one line */
.settings-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: flex-start;
}

.settings-row .tab-strip { width: fit-content; }

.settings-pickers-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-bottom: 1rem;
}

.settings-pickers-row > * { flex: 1; min-width: 8rem; }

.tab-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Compact modals (filter, entry detail) ──────────────────────────────────── */
/* Same width as the other modals (settings/about); height is content-sized */
dialog.modal-dialog--compact[open] {
  height: auto;
  max-height: min(720px, calc(100dvh - 4rem));
}

/* Entry detail modal: credit-card proportions, strictly content-sized */
#entry-modal[open] {
  width: min(380px, calc(100% - 2rem));
  height: auto;
  max-height: min(72dvh, 560px);
  border-top: 3px solid var(--entry-border, var(--kc-border-card));
}

/* modal-body inside entry modal must not flex-grow — it has no fixed-height
   parent to fill, and flex:1 would otherwise pin it open to its flex-basis.
   max-height mirrors the dialog cap minus header (~4rem) so overflow-y:auto
   actually fires when the audio player + provenance push past the limit. */
#entry-modal .modal-body {
  flex: none;
  overflow-y: auto;
  max-height: calc(min(72dvh, 560px) - 4rem);
}

#entry-modal .modal-title {
  color: var(--entry-text, var(--kc-text));
}

.filter-btn {
  position: relative;
}

/* Toolbar "clear filters" X: dead while no filters are set, danger-red once
   any are active */
.icon-btn--danger:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.icon-btn--danger:not(:disabled) {
  color: var(--kc-danger);
  border-color: var(--kc-danger);
}

.icon-btn--danger:not(:disabled):hover,
.icon-btn--danger:not(:disabled):focus-visible {
  background: var(--kc-bg-tab-active);
  color: var(--kc-danger);
  border-color: var(--kc-danger);
}

.filter-badge {
  position: absolute;
  top: -0.375rem;
  right: -0.375rem;
  min-width: 1rem;
  height: 1rem;
  padding: 0 0.25rem;
  border-radius: 0.5rem;
  background: var(--kc-accent);
  color: var(--kc-bg-card);
  font-size: 0.625rem;
  font-weight: 700;
  line-height: 1rem;
  text-align: center;
}

.filter-class-list {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.filter-check-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  cursor: pointer;
}

.filter-check-row input[type="checkbox"] {
  accent-color: var(--kc-accent);
  cursor: pointer;
}

/* Text variant of the danger icon button, for "Clear all filters" in the
   filter modal — same chrome and disabled/active behaviour as the X */
.filter-clear--text {
  width: auto;
  padding: 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Inline "↩ Deselected automatically" note shown when picking a setting
   auto-resets an incompatible one. Pops in pointing at the affected strip,
   wiggles its arrow, then fades out on its own. */
.filter-autonote {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.5rem;
  padding: 0.125rem 0.5rem;
  /* Cancel the vertical padding+border out of the line box so the pill
     popping in doesn't change the heading's line height (page reflow) */
  margin-block: calc(-0.125rem - 1px);
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: normal;
  color: var(--kc-danger);
  border: 1px solid color-mix(in srgb, var(--kc-danger) 45%, transparent);
  background: color-mix(in srgb, var(--kc-danger) 12%, transparent);
}

/* The leading ↩ arrow gets its own span-less wiggle via ::before */
.filter-autonote::before {
  content: "↩";
  display: inline-block;
  font-weight: 700;
}

/* Durations are set as inline custom properties by filter-modal.js
   (NOTE_DURATION_MS / NOTE_WIGGLE_MS) — the values here are fallbacks */
.filter-autonote--show {
  animation: autonote-pop var(--autonote-duration, 6s) ease forwards;
}

.filter-autonote--show::before {
  animation: autonote-wiggle var(--autonote-wiggle, 0.9s) ease 2;
}

@keyframes autonote-pop {
  0%   { opacity: 0; transform: translateX(0.5rem) scale(0.85); }
  8%   { opacity: 1; transform: translateX(0) scale(1.05); }
  14%  { transform: translateX(0) scale(1); }
  75%  { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes autonote-wiggle {
  0%, 100% { transform: translateX(0) rotate(0deg); }
  25%      { transform: translateX(-0.15rem) rotate(-12deg); }
  75%      { transform: translateX(0.1rem) rotate(8deg); }
}

@media (prefers-reduced-motion: reduce) {
  .filter-autonote--show,
  .filter-autonote--show::before {
    animation: none;
  }
}

.filter-check-row--standalone {
  margin-top: 0.75rem;
}

.filter-hint {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--kc-text-faint);
}

.filter-len-row {
  display: flex;
  gap: 1rem;
}

.filter-len-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-len-field .input-field {
  width: 5rem;
}

.add-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.add-btn:disabled:active { transform: none; }

/* ── About modal tab strip ───────────────────────────────────────────────── */
.modal-tab-area {
  padding: 0.625rem 1.25rem;
  flex-shrink: 0;
  border-bottom: 1px solid var(--kc-border-card);
}

/* Sub-tab strip inside a tab panel (e.g. About → About/Sources/Charts) */
.modal-tab-area--sub {
  margin: -1rem -1.25rem 1.25rem;
  border-top: none;
}

.about-sub-panel {
  flex: 1;
  overflow-y: auto;
}

/* ── Sources tab table ───────────────────────────────────────────────────── */
.sources-table {
  width: 100%;
  table-layout: auto;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.sources-table th,
.sources-table td {
  text-align: left;
  padding: 0.375rem 0.5rem;
  border-bottom: 1px solid var(--kc-border-card);
  vertical-align: top;
  overflow-wrap: anywhere;
}

.sources-table th:first-child,
.sources-table td:first-child {
  padding-left: 0;
}

.sources-table th:last-child,
.sources-table td:last-child {
  padding-right: 0;
}

.sources-table th {
  font-weight: 600;
  color: var(--kc-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Charts tab ──────────────────────────────────────────────────────────── */
.chart-item {
  margin-bottom: 2rem;
}

.chart-item:last-child {
  margin-bottom: 0;
}

.chart-item > h3 {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--kc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.chart-img {
  display: block;
  width: 100%;
  height: auto;
  min-width: 0;
  border-radius: 0.5rem;
  border: 1px solid var(--kc-border-card);
  background: #ffffff;
  padding: 1rem;
  box-sizing: border-box;
}

.chart-svg-container {
  box-sizing: border-box;
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--kc-border-card);
  border-radius: 0.75rem;
  padding: 1rem;
  background: var(--kc-bg-input);
}

.chart-svg-container > svg {
  display: block;
  width: 100%;
  min-width: 480px;
  height: auto;
}

/* ── Theme preview widget (adapted from jandahl/acl-inspector) ───────────── */
.theme-preview-radar {
  position: relative;
  width: 100%;
  border: 1px solid var(--kc-border);
  border-radius: 14px;
  padding: 18px;
  pointer-events: none;
  background: var(--preview-dark, var(--kc-bg));
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  /* overflow: clip (not hidden) so animated pseudo-elements with blend modes
     are paint-clipped without creating a scroll container that leaks width. */
  overflow: clip;
  margin-bottom: 1rem;
}

.theme-preview-radar::before {
  content: "";
  position: absolute;
  inset: -35%;
  background:
    radial-gradient(circle at 22% 24%, color-mix(in srgb, var(--preview-dark, var(--kc-bg)) 80%, white) 0%, transparent 58%),
    radial-gradient(circle at 74% 18%, color-mix(in srgb, var(--preview-accent, var(--kc-accent)) 75%, transparent) 0%, transparent 60%),
    radial-gradient(circle at 45% 78%, var(--preview-dark, var(--kc-bg)) 0%, transparent 68%),
    radial-gradient(circle at 30% 68%, color-mix(in srgb, var(--preview-accent, var(--kc-accent)) 45%, transparent) 0%, transparent 72%);
  mix-blend-mode: screen;
  opacity: 0.9;
  /* animation disabled — see issue #138 */
}

.theme-preview-radar::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.18);
  mix-blend-mode: overlay;
  opacity: 0.55;
  /* animation disabled — see issue #138 */
}

.preview-content {
  position: relative;
  z-index: 1;
}

.preview-grid {
  display: flex;
  flex-direction: column;
}

.preview-canvas {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
}

.preview-card {
  border-radius: 10px;
  padding: 10px;
  background: var(--preview-bg, var(--kc-bg));
  border: 1px solid var(--preview-border, var(--kc-border));
  color: var(--preview-text, var(--kc-text));
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  font-size: 0.875rem;
  overflow: hidden;
}

/* Dark card is flow-positioned — its content drives the container height */
.preview-card[data-theme-preview="dark"] { position: relative; z-index: 1; }
/* Light card is an absolute overlay over the dark card */
.preview-card[data-theme-preview="light"] { position: absolute; inset: 0; z-index: 2; }

/* Both cards are visible in radar mode; individual show/hide rules removed */

/* Lexeme columns inside preview cards — two columns, same gap as the real card grid.
   Content is populated at runtime by theme-preview.js using createEntryCard(). */
.preview-lexemes { display: flex; flex-direction: row; gap: 0.5rem; }

/* Reserve height before async card load completes so there is no layout shift.
   Card height is derived from the actual .preset-card/.card-* values:
     2×1rem (padding-block) + 2px (borders)
     + 0.875rem×1.2 (card-word font-size × line-height)
     + 0.125rem     (card-gloss margin-top)
     + 0.625rem×1.2 (card-gloss font-size × line-height)
     + 0.25rem      (card-desc  margin-top)
     + 0.625rem×1.2 (card-desc  font-size × line-height)
   If any of those values change in the card CSS above, update them here too. */
.preview-col {
  display: flex; flex-direction: column; gap: 0.5rem; flex: 1; min-width: 0;
  min-height: calc(
    3 * (2rem + 2px + 0.875rem * 1.2 + 0.125rem + 0.625rem * 1.2 + 0.25rem + 0.625rem * 1.2)
    + 2 * 0.5rem
  );
}

/* On narrow screens (portrait phones up to ~480px) show one preview column */
@media (max-width: 480px) {
  .preview-col:last-child { display: none; }
}

@keyframes preview-warp {
  0%   { transform: scale(1)    rotate(0deg);   filter: hue-rotate(0deg); }
  35%  { transform: scale(1.12) rotate(120deg); filter: hue-rotate(25deg); }
  70%  { transform: scale(1.05) rotate(240deg); filter: hue-rotate(15deg); }
  100% { transform: scale(1)    rotate(360deg); filter: hue-rotate(0deg); }
}

@keyframes preview-pulse {
  0%   { opacity: 0.35; }
  100% { opacity: 0.65; }
}

/* ── Radar sweep: light card sweeps over dark card via rotating half-mask ─── */

@property --sweep-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

@keyframes preview-sweep {
  0%   { --sweep-angle: 0deg; }
  100% { --sweep-angle: 360deg; }
}

/* ── Side-by-side mode: static 50/50 split, no animation ─────────────────── */
.preview-canvas[data-preview-mode="split"] .preview-card[data-theme-preview="light"] {
  clip-path: inset(0 0 0 50%);
}

.preview-canvas[data-preview-mode="radar"] .preview-card[data-theme-preview="light"] {
  z-index: 2;
  --sweep-angle: 0deg;
  /* Rotating half-mask: opaque half reveals the light card like a radar beam */
  -webkit-mask-image: linear-gradient(
    var(--sweep-angle),
    transparent 0%, transparent 49.99%,
    black 50%, black 100%
  );
  mask-image: linear-gradient(
    var(--sweep-angle),
    transparent 0%, transparent 49.99%,
    black 50%, black 100%
  );
  -webkit-mask-mode: alpha;
  mask-mode: alpha;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  animation: preview-sweep var(--preview-speed, 12s) linear infinite;
}

/* The ambient glow behind both cards uses --preview-dark for dark half
   and --preview-light for light half to give both sides context */
.theme-preview-radar::before {
  background:
    radial-gradient(circle at 22% 24%, color-mix(in srgb, var(--preview-dark, var(--kc-bg)) 80%, white) 0%, transparent 58%),
    radial-gradient(circle at 74% 18%, color-mix(in srgb, var(--preview-accent, var(--kc-accent)) 75%, transparent) 0%, transparent 60%),
    radial-gradient(circle at 45% 78%, var(--preview-light, var(--kc-bg)) 0%, transparent 68%),
    radial-gradient(circle at 30% 68%, color-mix(in srgb, var(--preview-accent, var(--kc-accent)) 45%, transparent) 0%, transparent 72%);
}

/* ── Theme fade transition ───────────────────────────────────────────────────── */
/* Applied around color-mode switches for a ~2s cross-fade of theme colors.
   !important is intentional: overrides per-element transition shorthands only
   while the class is present, then removes itself. Excludes animations so
   @keyframes-driven effects (modal-in, preview-warp, etc.) aren't disrupted. */
html.theme-transitioning *:not([style*="animation"]) {
  transition:
    background-color 2s ease,
    color 2s ease,
    border-color 2s ease,
    box-shadow 2s ease,
    fill 2s ease,
    stroke 2s ease !important;
}

/* Bounce animation for the newly-active mode button */
@keyframes mode-btn-pop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.22); }
  65%  { transform: scale(0.92); }
  85%  { transform: scale(1.06); }
  100% { transform: scale(1); }
}

.icon-btn--mode-pop {
  animation: mode-btn-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ── PWA update toast ────────────────────────────────────────────────────────── */
.pwa-update-toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--kc-bg-card);
  border: 1px solid var(--kc-border);
  border-radius: 0.75rem;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  z-index: 100;
  white-space: nowrap;
}

.pwa-update-btn {
  padding: 0.25rem 0.75rem;
  background: var(--kc-accent, #34d399);
  color: #fff;
  border: none;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
}

.pwa-update-close {
  background: none;
  border: none;
  color: var(--kc-text-muted);
  cursor: pointer;
  padding: 0 0.25rem;
  font-size: 1rem;
  line-height: 1;
}

/* ── PWA splash screen ───────────────────────────────────────────────────────── */
#splash-screen {
  position: fixed;
  inset: 0;
  background: #C8102E;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: splash-exit 0.35s ease-in 1.5s forwards;
}

.splash-text {
  font-size: clamp(5rem, 28vmin, 22rem);
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
  user-select: none;
  animation: stamp-in 0.65s cubic-bezier(0.22, 0.61, 0.36, 1) 0.15s both;
}

@keyframes stamp-in {
  0% {
    transform: translateY(-110vh) rotate(-20deg) scale(2.5);
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  20% {
    transform: translateY(-75vh) rotate(-20deg) scale(2.1);
  }
  38% {
    transform: translateY(-38vh) rotate(-20deg) scale(1.65);
  }
  52% {
    transform: translateY(-12vh) rotate(-20deg) scale(1.2);
  }
  62% {
    transform: translateY(0) rotate(-20deg) scale(0.9);
    opacity: 1;
  }
  76% {
    transform: translateY(0) rotate(-20deg) scale(1.05);
  }
  90% {
    transform: translateY(0) rotate(-20deg) scale(0.98);
  }
  100% {
    transform: translateY(0) rotate(-20deg) scale(1);
  }
}

@keyframes splash-exit {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  #splash-screen {
    animation: none;
    display: none;
  }
}

/* ── OQAA animation variant ─────────────────────────────────────────────────── */
/* Two absolutely-positioned spans meet at the horizontal screen centre:
   .oqaa-left (right:50%) grows leftward as A's are injected, scrolling OQ
   off the left edge; .oqaa-excl (left:50%) holds "!" fixed at centre. */
#splash-screen[data-splash-variant="oqaa"] {
  overflow: hidden; /* clip .oqaa-left as it extends past the left viewport edge */
}

[data-splash-variant="oqaa"] .splash-text {
  animation: none;
  position: absolute;
  inset: 0; /* fill the splash screen so children can be absolutely centred */
  font-size: clamp(2.5rem, 14vmin, 11rem); /* ~half the stamp-in size */
}

.oqaa-left {
  position: absolute;
  right: 50%; /* right edge pinned at screen centre */
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
}

.oqaa-excl {
  position: absolute;
  left: 50%; /* left edge at screen centre, immediately after .oqaa-left */
  top: 50%;
  transform: translateY(-50%);
}